User:Earldouglas/vis.js

// ';    }

content.style.left = '0'; content.style.top  = '0'; this.frame.appendChild(content); this.frame.appendChild(line); this.frame.appendChild(dot);

// calculate sizes var contentWidth = content.offsetWidth; var contentHeight  = content.offsetHeight; var lineHeight   = line.offsetHeight; var dotWidth   = dot.offsetWidth; var dotHeight    = dot.offsetHeight;

var left = dataPoint.screen.x - contentWidth / 2; left = Math.min(Math.max(left, 10), this.frame.clientWidth - 10 - contentWidth);

line.style.left  = dataPoint.screen.x + 'px'; line.style.top   = (dataPoint.screen.y - lineHeight) + 'px'; content.style.left = left + 'px'; content.style.top  = (dataPoint.screen.y - lineHeight - contentHeight) + 'px'; dot.style.left   = (dataPoint.screen.x - dotWidth / 2) + 'px'; dot.style.top    = (dataPoint.screen.y - dotHeight / 2) + 'px'; };

/**  * Hide the tooltip when displayed * @private */ Graph3d.prototype._hideTooltip = function  { if (this.tooltip) { this.tooltip.dataPoint = null;

for (var prop in this.tooltip.dom) { if (this.tooltip.dom.hasOwnProperty(prop)) { var elem = this.tooltip.dom[prop]; if (elem && elem.parentNode) { elem.parentNode.removeChild(elem); }       }      }    }  };

/**--**/

/**  * Get the horizontal mouse position from a mouse event * @param {Event} event * @return {Number} mouse x  */ function getMouseX (event) { if ('clientX' in event) return event.clientX; return event.targetTouches[0] && event.targetTouches[0].clientX || 0; }

/**  * Get the vertical mouse position from a mouse event * @param {Event} event * @return {Number} mouse y  */ function getMouseY (event) { if ('clientY' in event) return event.clientY; return event.targetTouches[0] && event.targetTouches[0].clientY || 0; }

module.exports = Graph3d;

/***/ }, /* 7 */ /***/ function(module, exports, __webpack_require__) {

var Point3d = __webpack_require__(10);

/**  * @class Camera * The camera is mounted on a (virtual) camera arm. The camera arm can rotate * The camera is always looking in the direction of the origin of the arm. * This way, the camera always rotates around one fixed point, the location * of the camera arm. *  * Documentation: *  http://en.wikipedia.org/wiki/3D_projection */ function Camera { this.armLocation = new Point3d; this.armRotation = {}; this.armRotation.horizontal = 0; this.armRotation.vertical = 0; this.armLength = 1.7;

this.cameraLocation = new Point3d; this.cameraRotation = new Point3d(0.5*Math.PI, 0, 0);

this.calculateCameraOrientation; }

/**  * Set the location (origin) of the arm * @param {Number} x Normalized value of x   * @param {Number} y  Normalized value of y   * @param {Number} z  Normalized value of z   */ Camera.prototype.setArmLocation = function(x, y, z) { this.armLocation.x = x;   this.armLocation.y = y;    this.armLocation.z = z;

this.calculateCameraOrientation; };

/**  * Set the rotation of the camera arm * @param {Number} horizontal  The horizontal rotation, between 0 and 2*PI. *               Optional, can be left undefined. * @param {Number} vertical  The vertical rotation, between 0 and 0.5*PI *               if vertical=0.5*PI, the graph is shown from the *               top. Optional, can be left undefined. */ Camera.prototype.setArmRotation = function(horizontal, vertical) { if (horizontal !== undefined) { this.armRotation.horizontal = horizontal; }

if (vertical !== undefined) { this.armRotation.vertical = vertical; if (this.armRotation.vertical < 0) this.armRotation.vertical = 0; if (this.armRotation.vertical > 0.5*Math.PI) this.armRotation.vertical = 0.5*Math.PI; }

if (horizontal !== undefined || vertical !== undefined) { this.calculateCameraOrientation; } };

/**  * Retrieve the current arm rotation * @return {object}  An object with parameters horizontal and vertical */ Camera.prototype.getArmRotation = function { var rot = {}; rot.horizontal = this.armRotation.horizontal; rot.vertical = this.armRotation.vertical;

return rot; };

/**  * Set the (normalized) length of the camera arm. * @param {Number} length A length between 0.71 and 5.0 */ Camera.prototype.setArmLength = function(length) { if (length === undefined) return;

this.armLength = length;

// Radius must be larger than the corner of the graph, // which has a distance of sqrt(0.5^2+0.5^2) = 0.71 from the center of the // graph if (this.armLength < 0.71) this.armLength = 0.71; if (this.armLength > 5.0) this.armLength = 5.0;

this.calculateCameraOrientation; };

/**  * Retrieve the arm length * @return {Number} length */ Camera.prototype.getArmLength = function { return this.armLength; };

/**  * Retrieve the camera location * @return {Point3d} cameraLocation */ Camera.prototype.getCameraLocation = function { return this.cameraLocation; };

/**  * Retrieve the camera rotation * @return {Point3d} cameraRotation */ Camera.prototype.getCameraRotation = function { return this.cameraRotation; };

/**  * Calculate the location and rotation of the camera based on the * position and orientation of the camera arm */ Camera.prototype.calculateCameraOrientation = function { // calculate location of the camera this.cameraLocation.x = this.armLocation.x - this.armLength * Math.sin(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); this.cameraLocation.y = this.armLocation.y - this.armLength * Math.cos(this.armRotation.horizontal) * Math.cos(this.armRotation.vertical); this.cameraLocation.z = this.armLocation.z + this.armLength * Math.sin(this.armRotation.vertical);

// calculate rotation of the camera this.cameraRotation.x = Math.PI/2 - this.armRotation.vertical; this.cameraRotation.y = 0; this.cameraRotation.z = -this.armRotation.horizontal; };

module.exports = Camera;

/***/ }, /* 8 */ /***/ function(module, exports, __webpack_require__) {

var DataView = __webpack_require__(4);

/**  * @class Filter *  * @param {DataSet} data The google data table * @param {Number} column             The index of the column to be filtered * @param {Graph} graph          The graph */ function Filter (data, column, graph) { this.data = data; this.column = column; this.graph = graph; // the parent graph

this.index = undefined; this.value = undefined;

// read all distinct values and select the first one this.values = graph.getDistinctValues(data.get, this.column);

// sort both numeric and string values correctly this.values.sort(function (a, b) {     return a > b ? 1 : a < b ? -1 : 0;    });

if (this.values.length > 0) { this.selectValue(0); }

// create an array with the filtered datapoints. this will be loaded afterwards this.dataPoints = [];

this.loaded = false; this.onLoadCallback = undefined;

if (graph.animationPreload) { this.loaded = false; this.loadInBackground; }   else { this.loaded = true; } };

/**  * Return the label * @return {string} label */ Filter.prototype.isLoaded = function { return this.loaded; };

/**  * Return the loaded progress * @return {Number} percentage between 0 and 100 */ Filter.prototype.getLoadedProgress = function { var len = this.values.length;

var i = 0; while (this.dataPoints[i]) { i++; }

return Math.round(i / len * 100); };

/**  * Return the label * @return {string} label */ Filter.prototype.getLabel = function { return this.graph.filterLabel; };

/**  * Return the columnIndex of the filter * @return {Number} columnIndex */ Filter.prototype.getColumn = function { return this.column; };

/**  * Return the currently selected value. Returns undefined if there is no selection * @return {*} value */ Filter.prototype.getSelectedValue = function { if (this.index === undefined) return undefined;

return this.values[this.index]; };

/**  * Retrieve all values of the filter * @return {Array} values */ Filter.prototype.getValues = function { return this.values; };

/**  * Retrieve one value of the filter * @param {Number} index * @return {*} value */ Filter.prototype.getValue = function(index) { if (index >= this.values.length) throw 'Error: index out of range';

return this.values[index]; };

/**  * Retrieve the (filtered) dataPoints for the currently selected filter index * @param {Number} [index] (optional) * @return {Array} dataPoints */ Filter.prototype._getDataPoints = function(index) { if (index === undefined) index = this.index;

if (index === undefined) return [];

var dataPoints; if (this.dataPoints[index]) { dataPoints = this.dataPoints[index]; }   else { var f = {}; f.column = this.column; f.value = this.values[index];

var dataView = new DataView(this.data,{filter: function (item) {return (item[f.column] == f.value);}}).get; dataPoints = this.graph._getDataPoints(dataView);

this.dataPoints[index] = dataPoints; }

return dataPoints; };

/**  * Set a callback function when the filter is fully loaded. */ Filter.prototype.setOnLoadCallback = function(callback) { this.onLoadCallback = callback; };

/**  * Add a value to the list with available values for this filter * No double entries will be created. * @param {Number} index */ Filter.prototype.selectValue = function(index) { if (index >= this.values.length) throw 'Error: index out of range';

this.index = index; this.value = this.values[index]; };

/**  * Load all filtered rows in the background one by one * Start this method without providing an index! */ Filter.prototype.loadInBackground = function(index) { if (index === undefined) index = 0;

var frame = this.graph.frame;

if (index < this.values.length) { var dataPointsTemp = this._getDataPoints(index); //this.graph.redrawInfo; // TODO: not neat

// create a progress box if (frame.progress === undefined) { frame.progress = document.createElement('DIV'); frame.progress.style.position = 'absolute'; frame.progress.style.color = 'gray'; frame.appendChild(frame.progress); }     var progress = this.getLoadedProgress; frame.progress.innerHTML = 'Loading animation... ' + progress + '%'; // TODO: this is no nice solution... frame.progress.style.bottom = 60 + 'px'; // TODO: use height of slider frame.progress.style.left = 10 + 'px';

var me = this; setTimeout(function {me.loadInBackground(index+1);}, 10); this.loaded = false; }   else { this.loaded = true;

// remove the progress box if (frame.progress !== undefined) { frame.removeChild(frame.progress); frame.progress = undefined; }

if (this.onLoadCallback) this.onLoadCallback; } };

module.exports = Filter;

/***/ }, /* 9 */ /***/ function(module, exports, __webpack_require__) {

/**  * @prototype Point2d * @param {Number} [x] * @param {Number} [y] */ function Point2d (x, y) { this.x = x !== undefined ? x : 0; this.y = y !== undefined ? y : 0; }

module.exports = Point2d;

/***/ }, /* 10 */ /***/ function(module, exports, __webpack_require__) {

/**  * @prototype Point3d * @param {Number} [x] * @param {Number} [y] * @param {Number} [z] */ function Point3d(x, y, z) { this.x = x !== undefined ? x : 0; this.y = y !== undefined ? y : 0; this.z = z !== undefined ? z : 0; };

/**  * Subtract the two provided points, returns a-b * @param {Point3d} a  * @param {Point3d} b   * @return {Point3d} a-b */ Point3d.subtract = function(a, b) { var sub = new Point3d; sub.x = a.x - b.x;   sub.y = a.y - b.y;    sub.z = a.z - b.z;    return sub; };

/**  * Add the two provided points, returns a+b * @param {Point3d} a  * @param {Point3d} b   * @return {Point3d} a+b */ Point3d.add = function(a, b) { var sum = new Point3d; sum.x = a.x + b.x;   sum.y = a.y + b.y;    sum.z = a.z + b.z;    return sum; };

/**  * Calculate the average of two 3d points * @param {Point3d} a  * @param {Point3d} b   * @return {Point3d} The average, (a+b)/2 */ Point3d.avg = function(a, b) { return new Point3d(           (a.x + b.x) / 2,            (a.y + b.y) / 2,            (a.z + b.z) / 2    ); };

/**  * Calculate the cross product of the two provided points, returns axb * Documentation: http://en.wikipedia.org/wiki/Cross_product * @param {Point3d} a  * @param {Point3d} b   * @return {Point3d} cross product axb */ Point3d.crossProduct = function(a, b) { var crossproduct = new Point3d;

crossproduct.x = a.y * b.z - a.z * b.y;   crossproduct.y = a.z * b.x - a.x * b.z;    crossproduct.z = a.x * b.y - a.y * b.x;

return crossproduct; };

/**  * Rtrieve the length of the vector (or the distance from this point to the origin   * @return {Number}  length   */  Point3d.prototype.length = function {    return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z   );  };

module.exports = Point3d;

/***/ }, /* 11 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1);

/**  * @constructor Slider *  * An html slider control with start/stop/prev/next buttons * @param {Element} container The element where the slider will be created * @param {Object} options  Available options: *                {boolean} visible   If true (default) the *                          slider is visible. */ function Slider(container, options) { if (container === undefined) { throw 'Error: No container element defined'; }   this.container = container; this.visible = (options && options.visible != undefined) ? options.visible : true;

if (this.visible) { this.frame = document.createElement('DIV'); //this.frame.style.backgroundColor = '#E5E5E5'; this.frame.style.width = '100%'; this.frame.style.position = 'relative'; this.container.appendChild(this.frame);

this.frame.prev = document.createElement('INPUT'); this.frame.prev.type = 'BUTTON'; this.frame.prev.value = 'Prev'; this.frame.appendChild(this.frame.prev);

this.frame.play = document.createElement('INPUT'); this.frame.play.type = 'BUTTON'; this.frame.play.value = 'Play'; this.frame.appendChild(this.frame.play);

this.frame.next = document.createElement('INPUT'); this.frame.next.type = 'BUTTON'; this.frame.next.value = 'Next'; this.frame.appendChild(this.frame.next);

this.frame.bar = document.createElement('INPUT'); this.frame.bar.type = 'BUTTON'; this.frame.bar.style.position = 'absolute'; this.frame.bar.style.border = '1px solid red'; this.frame.bar.style.width = '100px'; this.frame.bar.style.height = '6px'; this.frame.bar.style.borderRadius = '2px'; this.frame.bar.style.MozBorderRadius = '2px'; this.frame.bar.style.border = '1px solid #7F7F7F'; this.frame.bar.style.backgroundColor = '#E5E5E5'; this.frame.appendChild(this.frame.bar);

this.frame.slide = document.createElement('INPUT'); this.frame.slide.type = 'BUTTON'; this.frame.slide.style.margin = '0px'; this.frame.slide.value = ' '; this.frame.slide.style.position = 'relative'; this.frame.slide.style.left = '-100px'; this.frame.appendChild(this.frame.slide);

// create events var me = this; this.frame.slide.onmousedown = function (event) {me._onMouseDown(event);}; this.frame.prev.onclick = function (event) {me.prev(event);}; this.frame.play.onclick = function (event) {me.togglePlay(event);}; this.frame.next.onclick = function (event) {me.next(event);}; }

this.onChangeCallback = undefined;

this.values = []; this.index = undefined;

this.playTimeout = undefined; this.playInterval = 1000; // milliseconds this.playLoop = true; }

/**  * Select the previous index */ Slider.prototype.prev = function { var index = this.getIndex; if (index > 0) { index--; this.setIndex(index); } };

/**  * Select the next index */ Slider.prototype.next = function { var index = this.getIndex; if (index < this.values.length - 1) { index++; this.setIndex(index); } };

/**  * Select the next index */ Slider.prototype.playNext = function { var start = new Date;

var index = this.getIndex; if (index < this.values.length - 1) { index++; this.setIndex(index); }   else if (this.playLoop) { // jump to the start index = 0; this.setIndex(index); }

var end = new Date; var diff = (end - start);

// calculate how much time it to to set the index and to execute the callback // function. var interval = Math.max(this.playInterval - diff, 0); // document.title = diff // TODO: cleanup

var me = this; this.playTimeout = setTimeout(function {me.playNext;}, interval); };

/**  * Toggle start or stop playing */ Slider.prototype.togglePlay = function { if (this.playTimeout === undefined) { this.play; } else { this.stop; } };

/**  * Start playing */ Slider.prototype.play = function { // Test whether already playing if (this.playTimeout) return;

this.playNext;

if (this.frame) { this.frame.play.value = 'Stop'; } };

/**  * Stop playing */ Slider.prototype.stop = function { clearInterval(this.playTimeout); this.playTimeout = undefined;

if (this.frame) { this.frame.play.value = 'Play'; } };

/**  * Set a callback function which will be triggered when the value of the * slider bar has changed. */ Slider.prototype.setOnChangeCallback = function(callback) { this.onChangeCallback = callback; };

/**  * Set the interval for playing the list * @param {Number} interval  The interval in milliseconds */ Slider.prototype.setPlayInterval = function(interval) { this.playInterval = interval; };

/**  * Retrieve the current play interval * @return {Number} interval  The interval in milliseconds */ Slider.prototype.getPlayInterval = function(interval) { return this.playInterval; };

/**  * Set looping on or off * @pararm {boolean} doLoop If true, the slider will jump to the start when *              the end is passed, and will jump to the end *              when the start is passed. */ Slider.prototype.setPlayLoop = function(doLoop) { this.playLoop = doLoop; };

/**  * Execute the onchange callback function */ Slider.prototype.onChange = function { if (this.onChangeCallback !== undefined) { this.onChangeCallback; } };

/**  * redraw the slider on the correct place */ Slider.prototype.redraw = function { if (this.frame) { // resize the bar this.frame.bar.style.top = (this.frame.clientHeight/2 -         this.frame.bar.offsetHeight/2) + 'px'; this.frame.bar.style.width = (this.frame.clientWidth -         this.frame.prev.clientWidth -          this.frame.play.clientWidth -          this.frame.next.clientWidth - 30)  + 'px';

// position the slider button var left = this.indexToLeft(this.index); this.frame.slide.style.left = (left) + 'px'; } };

/**  * Set the list with values for the slider * @param {Array} values  A javascript array with values (any type) */ Slider.prototype.setValues = function(values) { this.values = values;

if (this.values.length > 0) this.setIndex(0); else this.index = undefined; };

/**  * Select a value by its index * @param {Number} index */ Slider.prototype.setIndex = function(index) { if (index < this.values.length) { this.index = index;

this.redraw; this.onChange; }   else { throw 'Error: index out of range'; } };

/**  * retrieve the index of the currently selected vaue * @return {Number} index */ Slider.prototype.getIndex = function { return this.index; };

/**  * retrieve the currently selected value * @return {*} value */ Slider.prototype.get = function { return this.values[this.index]; };

Slider.prototype._onMouseDown = function(event) { // only react on left mouse button down var leftButtonDown = event.which ? (event.which === 1) : (event.button === 1); if (!leftButtonDown) return;

this.startClientX = event.clientX; this.startSlideX = parseFloat(this.frame.slide.style.left);

this.frame.style.cursor = 'move';

// add event listeners to handle moving the contents // we store the function onmousemove and onmouseup in the graph, so we can // remove the eventlisteners lateron in the function mouseUp var me = this; this.onmousemove = function (event) {me._onMouseMove(event);}; this.onmouseup  = function (event) {me._onMouseUp(event);}; util.addEventListener(document, 'mousemove', this.onmousemove); util.addEventListener(document, 'mouseup',  this.onmouseup); util.preventDefault(event); };

Slider.prototype.leftToIndex = function (left) { var width = parseFloat(this.frame.bar.style.width) - this.frame.slide.clientWidth - 10; var x = left - 3;

var index = Math.round(x / width * (this.values.length-1)); if (index < 0) index = 0; if (index > this.values.length-1) index = this.values.length-1;

return index; };

Slider.prototype.indexToLeft = function (index) { var width = parseFloat(this.frame.bar.style.width) - this.frame.slide.clientWidth - 10;

var x = index / (this.values.length-1) * width; var left = x + 3;

return left; };

Slider.prototype._onMouseMove = function (event) { var diff = event.clientX - this.startClientX; var x = this.startSlideX + diff;

var index = this.leftToIndex(x);

this.setIndex(index);

util.preventDefault; };

Slider.prototype._onMouseUp = function (event) { this.frame.style.cursor = 'auto';

// remove event listeners util.removeEventListener(document, 'mousemove', this.onmousemove); util.removeEventListener(document, 'mouseup', this.onmouseup);

util.preventDefault; };

module.exports = Slider;

/***/ }, /* 12 */ /***/ function(module, exports, __webpack_require__) {

/**  * @prototype StepNumber * The class StepNumber is an iterator for Numbers. You provide a start and end * value, and a best step size. StepNumber itself rounds to fixed values and * a finds the step that best fits the provided step. *  * If prettyStep is true, the step size is chosen as close as possible to the * provided step, but being a round value like 1, 2, 5, 10, 20, 50, .... *  * Example usage: *  var step = new StepNumber(0, 10, 2.5, true); *  step.start; *  while (!step.end) { *  alert(step.getCurrent); *  step.next; *  }   *   * Version: 1.0 *  * @param {Number} start     The start value * @param {Number} end    The end value * @param {Number} step   Optional. Step size. Must be a positive value. * @param {boolean} prettyStep Optional. If true, the step size is rounded *              To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) */ function StepNumber(start, end, step, prettyStep) { // set default values this._start = 0; this._end = 0; this._step = 1; this.prettyStep = true; this.precision = 5;

this._current = 0; this.setRange(start, end, step, prettyStep); };

/**  * Set a new range: start, end and step. *  * @param {Number} start     The start value * @param {Number} end    The end value * @param {Number} step   Optional. Step size. Must be a positive value. * @param {boolean} prettyStep Optional. If true, the step size is rounded *              To a pretty step size (like 1, 2, 5, 10, 20, 50, ...) */ StepNumber.prototype.setRange = function(start, end, step, prettyStep) { this._start = start ? start : 0; this._end = end ? end : 0;

this.setStep(step, prettyStep); };

/**  * Set a new step size * @param {Number} step   New step size. Must be a positive value * @param {boolean} prettyStep Optional. If true, the provided step is rounded *              to a pretty step size (like 1, 2, 5, 10, 20, 50, ...) */ StepNumber.prototype.setStep = function(step, prettyStep) { if (step === undefined || step <= 0) return;

if (prettyStep !== undefined) this.prettyStep = prettyStep;

if (this.prettyStep === true) this._step = StepNumber.calculatePrettyStep(step); else this._step = step; };

/**  * Calculate a nice step size, closest to the desired step size. * Returns a value in one of the ranges 1*10^n, 2*10^n, or 5*10^n, where n is an  * integer Number. For example 1, 2, 5, 10, 20, 50, etc... * @param {Number} step  Desired step size * @return {Number}    Nice step size */ StepNumber.calculatePrettyStep = function (step) { var log10 = function (x) {return Math.log(x) / Math.LN10;};

// try three steps (multiple of 1, 2, or 5   var step1 = Math.pow(10, Math.round(log10(step))),        step2 = 2 * Math.pow(10, Math.round(log10(step / 2))),        step5 = 5 * Math.pow(10, Math.round(log10(step / 5)));

// choose the best step (closest to minimum step) var prettyStep = step1; if (Math.abs(step2 - step) <= Math.abs(prettyStep - step)) prettyStep = step2; if (Math.abs(step5 - step) <= Math.abs(prettyStep - step)) prettyStep = step5;

// for safety if (prettyStep <= 0) { prettyStep = 1; }

return prettyStep; };

/**  * returns the current value of the step * @return {Number} current value */ StepNumber.prototype.getCurrent = function  { return parseFloat(this._current.toPrecision(this.precision)); };

/**  * returns the current step size * @return {Number} current step size */ StepNumber.prototype.getStep = function  { return this._step; };

/**  * Set the current value to the largest value smaller than start, which * is a multiple of the step size */ StepNumber.prototype.start = function { this._current = this._start - this._start % this._step; };

/**  * Do a step, add the step size to the current value */ StepNumber.prototype.next = function  { this._current += this._step; };

/**  * Returns true whether the end is reached * @return {boolean} True if the current value has passed the end value. */ StepNumber.prototype.end = function  { return (this._current > this._end); };

module.exports = StepNumber;

/***/ }, /* 13 */ /***/ function(module, exports, __webpack_require__) {

var Emitter = __webpack_require__(56); var Hammer = __webpack_require__(45); var util = __webpack_require__(1); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var Range = __webpack_require__(17); var Core = __webpack_require__(46); var TimeAxis = __webpack_require__(35); var CurrentTime = __webpack_require__(26); var CustomTime = __webpack_require__(27); var ItemSet = __webpack_require__(32);

/**  * Create a timeline visualization * @param {HTMLElement} container * @param {vis.DataSet | vis.DataView | Array | google.visualization.DataTable} [items] * @param {vis.DataSet | vis.DataView | Array | google.visualization.DataTable} [groups] * @param {Object} [options] See Timeline.setOptions for the available options. * @constructor * @extends Core */ function Timeline (container, items, groups, options) { if (!(this instanceof Timeline)) { throw new SyntaxError('Constructor must be called with the new operator'); }

// if the third element is options, the forth is groups (optionally); if (!(Array.isArray(groups) || groups instanceof DataSet || groups instanceof DataView) && groups instanceof Object) { var forthArgument = options; options = groups; groups = forthArgument; }

var me = this; this.defaultOptions = { start: null, end:  null,

autoResize: true,

orientation: 'bottom', // axis orientation: 'bottom', 'top', or 'both' width: null, height: null, maxHeight: null, minHeight: null };   this.options = util.deepExtend({}, this.defaultOptions);

// Create the DOM, props, and emitter this._create(container);

// all components listed here will be repainted automatically this.components = [];

this.body = { dom: this.dom, domProps: this.props, emitter: { on: this.on.bind(this), off: this.off.bind(this), emit: this.emit.bind(this) },     hiddenDates: [], util: { getScale: function { return me.timeAxis.step.scale; },       getStep: function  { return me.timeAxis.step.step; },

toScreen: me._toScreen.bind(me), toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width toTime: me._toTime.bind(me), toGlobalTime : me._toGlobalTime.bind(me) }   };

// range this.range = new Range(this.body); this.components.push(this.range); this.body.range = this.range;

// time axis this.timeAxis = new TimeAxis(this.body); this.timeAxis2 = null; // used in case of orientation option 'both' this.components.push(this.timeAxis);

// current time bar this.currentTime = new CurrentTime(this.body); this.components.push(this.currentTime);

// custom time bar // Note: time bar will be attached in this.setOptions when selected this.customTime = new CustomTime(this.body); this.components.push(this.customTime);

// item set this.itemSet = new ItemSet(this.body); this.components.push(this.itemSet);

this.itemsData = null;     // DataSet this.groupsData = null;    // DataSet

this.on('tap', function (event) {     me.emit('click', me.getEventProperties(event))    }); this.on('doubletap', function (event) {     me.emit('doubleClick', me.getEventProperties(event))    }); this.dom.root.oncontextmenu = function (event) { me.emit('contextmenu', me.getEventProperties(event)) };

// apply options if (options) { this.setOptions(options); }

// IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! if (groups) { this.setGroups(groups); }

// create itemset if (items) { this.setItems(items); }   else { this._redraw; } }

// Extend the functionality from Core Timeline.prototype = new Core;

/**  * Force a redraw. The size of all items will be recalculated. * Can be useful to manually redraw when option autoResize=false and the window * has been resized, or when the items CSS has been changed. */ Timeline.prototype.redraw = function { this.itemSet && this.itemSet.markDirty({refreshItems: true}); this._redraw; };

/**  * Set items * @param {vis.DataSet | Array | google.visualization.DataTable | null} items */ Timeline.prototype.setItems = function(items) { var initialLoad = (this.itemsData == null);

// convert to type DataSet when needed var newDataSet; if (!items) { newDataSet = null; }   else if (items instanceof DataSet || items instanceof DataView) { newDataSet = items; }   else { // turn an array into a dataset newDataSet = new DataSet(items, {       type: {          start: 'Date',          end: 'Date'        }      }); }

// set items this.itemsData = newDataSet; this.itemSet && this.itemSet.setItems(newDataSet);

if (initialLoad) { if (this.options.start != undefined || this.options.end != undefined) { if (this.options.start == undefined || this.options.end == undefined) { var dataRange = this._getDataRange; }

var start = this.options.start != undefined ? this.options.start : dataRange.start; var end  = this.options.end != undefined   ? this.options.end  : dataRange.end;

this.setWindow(start, end, {animate: false}); }     else { this.fit({animate: false}); }   }  };

/**  * Set groups * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ Timeline.prototype.setGroups = function(groups) { // convert to type DataSet when needed var newDataSet; if (!groups) { newDataSet = null; }   else if (groups instanceof DataSet || groups instanceof DataView) { newDataSet = groups; }   else { // turn an array into a dataset newDataSet = new DataSet(groups); }

this.groupsData = newDataSet; this.itemSet.setGroups(newDataSet); };

/**  * Set selected items by their id. Replaces the current selection * Unknown id's are silently ignored. * @param {string[] | string} [ids] An array with zero or more id's of the items to be   *                                selected. If ids is an empty array, all items will be  *                                unselected. * @param {Object} [options]     Available options: *                               `focus: boolean` *                                   If true, focus will be set to the selected item(s) *                               `animate: boolean | number` *                                   If true (default), the range is animated *                                   smoothly to the new window. *                                   If a number, the number is taken as duration *                                   for the animation. Default duration is 500 ms. *                                   Only applicable when option focus is true. */ Timeline.prototype.setSelection = function(ids, options) { this.itemSet && this.itemSet.setSelection(ids);

if (options && options.focus) { this.focus(ids, options); } };

/**  * Get the selected items by their id   * @return {Array} ids  The ids of the selected items */ Timeline.prototype.getSelection = function { return this.itemSet && this.itemSet.getSelection || []; };

/**  * Adjust the visible window such that the selected item (or multiple items) * are centered on screen. * @param {String | String[]} id    An item id or array with item ids * @param {Object} [options]     Available options: *                               `animate: boolean | number` *                                   If true (default), the range is animated *                                   smoothly to the new window. *                                   If a number, the number is taken as duration *                                   for the animation. Default duration is 500 ms.  *                                    Only applicable when option focus is true */ Timeline.prototype.focus = function(id, options) { if (!this.itemsData || id == undefined) return;

var ids = Array.isArray(id) ? id : [id];

// get the specified item(s) var itemsData = this.itemsData.getDataSet.get(ids, {     type: {        start: 'Date',        end: 'Date'      }    });

// calculate minimum start and maximum end of specified items var start = null; var end = null; itemsData.forEach(function (itemData) {     var s = itemData.start.valueOf;      var e = 'end' in itemData ? itemData.end.valueOf : itemData.start.valueOf;

if (start === null || s < start) { start = s;     }

if (end === null || e > end) { end = e;     } });

if (start !== null && end !== null) { // calculate the new middle and interval for the window var middle = (start + end) / 2; var interval = Math.max((this.range.end - this.range.start), (end - start) * 1.1);

var animate = (options && options.animate !== undefined) ? options.animate : true; this.range.setRange(middle - interval / 2, middle + interval / 2, animate); } };

/**  * Get the data range of the item set. * @returns 0 range A range with a start and end Date. *                                         When no minimum is found, min==null *                                         When no maximum is found, max==null */ Timeline.prototype.getItemRange = function { // calculate min from start filed var dataset = this.itemsData.getDataSet, min = null, max = null;

if (dataset) { // calculate the minimum value of the field 'start' var minItem = dataset.min('start'); min = minItem ? util.convert(minItem.start, 'Date').valueOf : null; // Note: we convert first to Date and then to number because else // a conversion from ISODate to Number will fail

// calculate maximum value of fields 'start' and 'end' var maxStartItem = dataset.max('start'); if (maxStartItem) { max = util.convert(maxStartItem.start, 'Date').valueOf; }     var maxEndItem = dataset.max('end'); if (maxEndItem) { if (max == null) { max = util.convert(maxEndItem.end, 'Date').valueOf; }       else { max = Math.max(max, util.convert(maxEndItem.end, 'Date').valueOf); }     }    }

return { min: (min != null) ? new Date(min) : null, max: (max != null) ? new Date(max) : null }; };

/**  * Generate Timeline related information from an event * @param {Event} event * @return {Object} An object with related information, like on which area *                 The event happened, whether clicked on an item, etc.   */ Timeline.prototype.getEventProperties = function (event) { var item = this.itemSet.itemFromTarget(event); var group = this.itemSet.groupFromTarget(event); var pageX = event.gesture ? event.gesture.center.pageX : event.pageX; var pageY = event.gesture ? event.gesture.center.pageY : event.pageY; var x = pageX - util.getAbsoluteLeft(this.dom.centerContainer); var y = pageY - util.getAbsoluteTop(this.dom.centerContainer);

var snap = this.itemSet.options.snap || null; var scale = this.body.util.getScale; var step = this.body.util.getStep; var time = this._toTime(x); var snappedTime = snap ? snap(time, scale, step) : time;

var element = util.getTarget(event); var what = null; if (item != null)                                                   {what = 'item';} else if (util.hasParent(element, this.timeAxis.dom.foreground))     {what = 'axis';} else if (this.timeAxis2 && util.hasParent(element, this.timeAxis2.dom.foreground)) {what = 'axis';} else if (util.hasParent(element, this.itemSet.dom.labelSet))        {what = 'group-label';} else if (util.hasParent(element, this.customTime.bar))              {what = 'custom-time';} // TODO: fix for multiple custom time bars else if (util.hasParent(element, this.currentTime.bar))             {what = 'current-time';} else if (util.hasParent(element, this.dom.center))                  {what = 'background';}

return { event: event, item: item ? item.id : null, group: group ? group.groupId : null, what: what, pageX: pageX, pageY: pageY, x: x,     y: y,      time: time, snappedTime: snappedTime } };

module.exports = Timeline;

/***/ }, /* 14 */ /***/ function(module, exports, __webpack_require__) {

var Emitter = __webpack_require__(56); var Hammer = __webpack_require__(45); var util = __webpack_require__(1); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var Range = __webpack_require__(17); var Core = __webpack_require__(46); var TimeAxis = __webpack_require__(35); var CurrentTime = __webpack_require__(26); var CustomTime = __webpack_require__(27); var LineGraph = __webpack_require__(34);

/**  * Create a timeline visualization * @param {HTMLElement} container * @param {vis.DataSet | Array | google.visualization.DataTable} [items] * @param {Object} [options] See Graph2d.setOptions for the available options. * @constructor * @extends Core */ function Graph2d (container, items, groups, options) { // if the third element is options, the forth is groups (optionally); if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) { var forthArgument = options; options = groups; groups = forthArgument; }

var me = this; this.defaultOptions = { start: null, end:  null,

autoResize: true,

orientation: 'bottom', width: null, height: null, maxHeight: null, minHeight: null };   this.options = util.deepExtend({}, this.defaultOptions);

// Create the DOM, props, and emitter this._create(container);

// all components listed here will be repainted automatically this.components = [];

this.body = { dom: this.dom, domProps: this.props, emitter: { on: this.on.bind(this), off: this.off.bind(this), emit: this.emit.bind(this) },     hiddenDates: [], util: { toScreen: me._toScreen.bind(me), toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width toTime: me._toTime.bind(me), toGlobalTime : me._toGlobalTime.bind(me) }   };

// range this.range = new Range(this.body); this.components.push(this.range); this.body.range = this.range;

// time axis this.timeAxis = new TimeAxis(this.body); this.components.push(this.timeAxis); //this.body.util.snap = this.timeAxis.snap.bind(this.timeAxis);

// current time bar this.currentTime = new CurrentTime(this.body); this.components.push(this.currentTime);

// custom time bar // Note: time bar will be attached in this.setOptions when selected this.customTime = new CustomTime(this.body); this.components.push(this.customTime);

// item set this.linegraph = new LineGraph(this.body); this.components.push(this.linegraph);

this.itemsData = null;     // DataSet this.groupsData = null;    // DataSet

this.on('tap', function (event) {     me.emit('click', me.getEventProperties(event))    }); this.on('doubletap', function (event) {     me.emit('doubleClick', me.getEventProperties(event))    }); this.dom.root.oncontextmenu = function (event) { me.emit('contextmenu', me.getEventProperties(event)) };

// apply options if (options) { this.setOptions(options); }

// IMPORTANT: THIS HAPPENS BEFORE SET ITEMS! if (groups) { this.setGroups(groups); }

// create itemset if (items) { this.setItems(items); }   else { this._redraw; } }

// Extend the functionality from Core Graph2d.prototype = new Core;

/**  * Set items * @param {vis.DataSet | Array | google.visualization.DataTable | null} items */ Graph2d.prototype.setItems = function(items) { var initialLoad = (this.itemsData == null);

// convert to type DataSet when needed var newDataSet; if (!items) { newDataSet = null; }   else if (items instanceof DataSet || items instanceof DataView) { newDataSet = items; }   else { // turn an array into a dataset newDataSet = new DataSet(items, {       type: {          start: 'Date',          end: 'Date'        }      }); }

// set items this.itemsData = newDataSet; this.linegraph && this.linegraph.setItems(newDataSet);

if (initialLoad) { if (this.options.start != undefined || this.options.end != undefined) { var start = this.options.start != undefined ? this.options.start : null; var end  = this.options.end != undefined   ? this.options.end : null;

this.setWindow(start, end, {animate: false}); }     else { this.fit({animate: false}); }   }  };

/**  * Set groups * @param {vis.DataSet | Array | google.visualization.DataTable} groups */ Graph2d.prototype.setGroups = function(groups) { // convert to type DataSet when needed var newDataSet; if (!groups) { newDataSet = null; }   else if (groups instanceof DataSet || groups instanceof DataView) { newDataSet = groups; }   else { // turn an array into a dataset newDataSet = new DataSet(groups); }

this.groupsData = newDataSet; this.linegraph.setGroups(newDataSet); };

/**  * Returns an object containing an SVG element with the icon of the group (size determined by iconWidth and iconHeight), the label of the group (content) and the yAxisOrientation of the group (left or right). * @param groupId * @param width * @param height */ Graph2d.prototype.getLegend = function(groupId, width, height) { if (width === undefined) {width  = 15;} if (height === undefined) {height = 15;} if (this.linegraph.groups[groupId] !== undefined) { return this.linegraph.groups[groupId].getLegend(width,height); }   else { return "cannot find group:" + groupId; } };

/**  * This checks if the visible option of the supplied group (by ID) is true or false. * @param groupId * @returns {*} */ Graph2d.prototype.isGroupVisible = function(groupId) { if (this.linegraph.groups[groupId] !== undefined) { return (this.linegraph.groups[groupId].visible && (this.linegraph.options.groups.visibility[groupId] === undefined || this.linegraph.options.groups.visibility[groupId] == true)); }   else { return false; } };

/**  * Get the data range of the item set. * @returns 0 range A range with a start and end Date. *                                         When no minimum is found, min==null *                                         When no maximum is found, max==null */ Graph2d.prototype.getItemRange = function { var min = null; var max = null;

// calculate min from start filed for (var groupId in this.linegraph.groups) { if (this.linegraph.groups.hasOwnProperty(groupId)) { if (this.linegraph.groups[groupId].visible == true) { for (var i = 0; i < this.linegraph.groups[groupId].itemsData.length; i++) { var item = this.linegraph.groups[groupId].itemsData[i]; var value = util.convert(item.x, 'Date').valueOf; min = min == null ? value : min > value ? value : min; max = max == null ? value : max < value ? value : max; }       }      }    }

return { min: (min != null) ? new Date(min) : null, max: (max != null) ? new Date(max) : null }; };

/**  * Generate Timeline related information from an event * @param {Event} event * @return {Object} An object with related information, like on which area *                 The event happened, whether clicked on an item, etc.   */ Graph2d.prototype.getEventProperties = function (event) { var pageX = event.gesture ? event.gesture.center.pageX : event.pageX; var pageY = event.gesture ? event.gesture.center.pageY : event.pageY; var x = pageX - util.getAbsoluteLeft(this.dom.centerContainer); var y = pageY - util.getAbsoluteTop(this.dom.centerContainer); var time = this._toTime(x);

var element = util.getTarget(event); var what = null; if (util.hasParent(element, this.timeAxis.dom.foreground))             {what = 'axis';} else if (this.timeAxis2 && util.hasParent(element, this.timeAxis2.dom.foreground)) {what = 'axis';} else if (util.hasParent(element, this.linegraph.yAxisLeft.dom.frame))  {what = 'data-axis';} else if (util.hasParent(element, this.linegraph.yAxisRight.dom.frame)) {what = 'data-axis';} else if (util.hasParent(element, this.linegraph.legendLeft.dom.frame)) {what = 'legend';} else if (util.hasParent(element, this.linegraph.legendRight.dom.frame)) {what = 'legend';} else if (util.hasParent(element, this.customTime.bar))                 {what = 'custom-time';} // TODO: fix for multiple custom time bars else if (util.hasParent(element, this.currentTime.bar))                {what = 'current-time';} else if (util.hasParent(element, this.dom.center))                     {what = 'background';}

var value = []; var yAxisLeft = this.linegraph.yAxisLeft; var yAxisRight = this.linegraph.yAxisRight; if (!yAxisLeft.hidden) { value.push(yAxisLeft.screenToValue(y)); }   if (!yAxisRight.hidden) { value.push(yAxisRight.screenToValue(y)); }

return { event: event, what: what, pageX: pageX, pageY: pageY, x: x,     y: y,      time: time, value: value } };

module.exports = Graph2d;

/***/ }, /* 15 */ /***/ function(module, exports, __webpack_require__) {

/**  * Created by Alex on 10/3/2014. */ var moment = __webpack_require__(44);

/**  * used in Core to convert the options into a volatile variable *   * @param Core */ exports.convertHiddenOptions = function(body, hiddenDates) { body.hiddenDates = []; if (hiddenDates) { if (Array.isArray(hiddenDates) == true) { for (var i = 0; i < hiddenDates.length; i++) { if (hiddenDates[i].repeat === undefined) { var dateItem = {}; dateItem.start = moment(hiddenDates[i].start).toDate.valueOf; dateItem.end = moment(hiddenDates[i].end).toDate.valueOf; body.hiddenDates.push(dateItem); }       }        body.hiddenDates.sort(function (a, b) {          return a.start - b.start;        }); // sort by start time }   }  };

/**  * create new entrees for the repeating hidden dates * @param body * @param hiddenDates */ exports.updateHiddenDates = function (body, hiddenDates) { if (hiddenDates && body.domProps.centerContainer.width !== undefined) { exports.convertHiddenOptions(body, hiddenDates);

var start = moment(body.range.start); var end = moment(body.range.end);

var totalRange = (body.range.end - body.range.start); var pixelTime = totalRange / body.domProps.centerContainer.width;

for (var i = 0; i < hiddenDates.length; i++) { if (hiddenDates[i].repeat !== undefined) { var startDate = moment(hiddenDates[i].start); var endDate = moment(hiddenDates[i].end);

if (startDate._d == "Invalid Date") { throw new Error("Supplied start date is not valid: " + hiddenDates[i].start); }         if (endDate._d == "Invalid Date") { throw new Error("Supplied end date is not valid: " + hiddenDates[i].end); }

var duration = endDate - startDate; if (duration >= 4 * pixelTime) {

var offset = 0; var runUntil = end.clone; switch (hiddenDates[i].repeat) { case "daily": // case of time if (startDate.day != endDate.day) { offset = 1; }               startDate.dayOfYear(start.dayOfYear); startDate.year(start.year); startDate.subtract(7,'days');

endDate.dayOfYear(start.dayOfYear); endDate.year(start.year); endDate.subtract(7 - offset,'days');

runUntil.add(1, 'weeks'); break; case "weekly": var dayOffset = endDate.diff(startDate,'days') var day = startDate.day;

// set the start date to the range.start startDate.date(start.date); startDate.month(start.month); startDate.year(start.year); endDate = startDate.clone;

// force startDate.day(day); endDate.day(day); endDate.add(dayOffset,'days');

startDate.subtract(1,'weeks'); endDate.subtract(1,'weeks');

runUntil.add(1, 'weeks'); break case "monthly": if (startDate.month != endDate.month) { offset = 1; }               startDate.month(start.month); startDate.year(start.year); startDate.subtract(1,'months');

endDate.month(start.month); endDate.year(start.year); endDate.subtract(1,'months'); endDate.add(offset,'months');

runUntil.add(1, 'months'); break; case "yearly": if (startDate.year != endDate.year) { offset = 1; }               startDate.year(start.year); startDate.subtract(1,'years'); endDate.year(start.year); endDate.subtract(1,'years'); endDate.add(offset,'years');

runUntil.add(1, 'years'); break; default: console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); return; }           while (startDate < runUntil) { body.hiddenDates.push({start: startDate.valueOf, end: endDate.valueOf}); switch (hiddenDates[i].repeat) { case "daily": startDate.add(1, 'days'); endDate.add(1, 'days'); break; case "weekly": startDate.add(1, 'weeks'); endDate.add(1, 'weeks'); break case "monthly": startDate.add(1, 'months'); endDate.add(1, 'months'); break; case "yearly": startDate.add(1, 'y'); endDate.add(1, 'y'); break; default: console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat); return; }           }            body.hiddenDates.push({start: startDate.valueOf, end: endDate.valueOf}); }       }      }      // remove duplicates, merge where possible exports.removeDuplicates(body); // ensure the new positions are not on hidden dates var startHidden = exports.isHidden(body.range.start, body.hiddenDates); var endHidden = exports.isHidden(body.range.end,body.hiddenDates); var rangeStart = body.range.start; var rangeEnd = body.range.end; if (startHidden.hidden == true) {rangeStart = body.range.startToFront == true ? startHidden.startDate - 1 : startHidden.endDate + 1;} if (endHidden.hidden == true)  {rangeEnd   = body.range.endToFront == true ? endHidden.startDate - 1  : endHidden.endDate + 1;} if (startHidden.hidden == true || endHidden.hidden == true) { body.range._applyRange(rangeStart, rangeEnd); }   }

}

/**  * remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up. * Scales with N^2 * @param body */ exports.removeDuplicates = function(body) { var hiddenDates = body.hiddenDates; var safeDates = []; for (var i = 0; i < hiddenDates.length; i++) { for (var j = 0; j < hiddenDates.length; j++) { if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) { // j inside i         if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { hiddenDates[j].remove = true; }         // j start inside i          else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) { hiddenDates[i].end = hiddenDates[j].end; hiddenDates[j].remove = true; }         // j end inside i          else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) { hiddenDates[i].start = hiddenDates[j].start; hiddenDates[j].remove = true; }       }      }    }

for (var i = 0; i < hiddenDates.length; i++) { if (hiddenDates[i].remove !== true) { safeDates.push(hiddenDates[i]); }   }

body.hiddenDates = safeDates; body.hiddenDates.sort(function (a, b) {     return a.start - b.start;    }); // sort by start time }

exports.printDates = function(dates) { for (var i =0; i < dates.length; i++) { console.log(i, new Date(dates[i].start),new Date(dates[i].end), dates[i].start, dates[i].end, dates[i].remove); } }

/**  * Used in TimeStep to avoid the hidden times. * @param timeStep * @param previousTime */ exports.stepOverHiddenDates = function(timeStep, previousTime) { var stepInHidden = false; var currentValue = timeStep.current.valueOf; for (var i = 0; i < timeStep.hiddenDates.length; i++) { var startDate = timeStep.hiddenDates[i].start; var endDate = timeStep.hiddenDates[i].end; if (currentValue >= startDate && currentValue < endDate) { stepInHidden = true; break; }   }

if (stepInHidden == true && currentValue < timeStep._end.valueOf && currentValue != previousTime) { var prevValue = moment(previousTime); var newValue = moment(endDate); //check if the next step should be major if (prevValue.year != newValue.year) {timeStep.switchedYear = true;} else if (prevValue.month != newValue.month) {timeStep.switchedMonth = true;} else if (prevValue.dayOfYear != newValue.dayOfYear) {timeStep.switchedDay = true;}

timeStep.current = newValue.toDate; } };

///** // * Used in TimeStep to avoid the hidden times. // * @param timeStep // * @param previousTime // */ //exports.checkFirstStep = function(timeStep) { // var stepInHidden = false; // var currentValue = timeStep.current.valueOf; // for (var i = 0; i < timeStep.hiddenDates.length; i++) { //   var startDate = timeStep.hiddenDates[i].start; //   var endDate = timeStep.hiddenDates[i].end; //   if (currentValue >= startDate && currentValue < endDate) { //     stepInHidden = true; //     break; //   }  //  }  //  //  if (stepInHidden == true && currentValue <= timeStep._end.valueOf) { //   var newValue = moment(endDate); //   timeStep.current = newValue.toDate; // }  //};

/**  * replaces the Core toScreen methods * @param Core * @param time * @param width * @returns {number} */ exports.toScreen = function(Core, time, width) { if (Core.body.hiddenDates.length == 0) { var conversion = Core.range.conversion(width); return (time.valueOf - conversion.offset) * conversion.scale; }   else { var hidden = exports.isHidden(time, Core.body.hiddenDates) if (hidden.hidden == true) { time = hidden.startDate; }

var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time);

var conversion = Core.range.conversion(width, duration); return (time.valueOf - conversion.offset) * conversion.scale; } };

/**  * Replaces the core toTime methods * @param body * @param range * @param x  * @param width * @returns {Date} */ exports.toTime = function(Core, x, width) { if (Core.body.hiddenDates.length == 0) { var conversion = Core.range.conversion(width); return new Date(x / conversion.scale + conversion.offset); }   else { var hiddenDuration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end); var totalDuration = Core.range.end - Core.range.start - hiddenDuration; var partialDuration = totalDuration * x / width; var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(Core.body.hiddenDates, Core.range, partialDuration);

var newTime = new Date(accumulatedHiddenDuration + partialDuration + Core.range.start); return newTime; } };

/**  * Support function *  * @param hiddenDates * @param range * @returns {number} */ exports.getHiddenDurationBetween = function(hiddenDates, start, end) { var duration = 0; for (var i = 0; i < hiddenDates.length; i++) { var startDate = hiddenDates[i].start; var endDate = hiddenDates[i].end; // if time after the cutout, and the if (startDate >= start && endDate < end) { duration += endDate - startDate; }   }    return duration; };

/**  * Support function * @param hiddenDates * @param range * @param time * @returns */ exports.correctTimeForHidden = function(hiddenDates, range, time) { time = moment(time).toDate.valueOf; time -= exports.getHiddenDurationBefore(hiddenDates,range,time); return time; };

exports.getHiddenDurationBefore = function(hiddenDates, range, time) { var timeOffset = 0; time = moment(time).toDate.valueOf;

for (var i = 0; i < hiddenDates.length; i++) { var startDate = hiddenDates[i].start; var endDate = hiddenDates[i].end; // if time after the cutout, and the if (startDate >= range.start && endDate < range.end) { if (time >= endDate) { timeOffset += (endDate - startDate); }     }    }    return timeOffset; }

/**  * sum the duration from start to finish, including the hidden duration, * until the required amount has been reached, return the accumulated hidden duration * @param hiddenDates * @param range * @param time * @returns */ exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) { var hiddenDuration = 0; var duration = 0; var previousPoint = range.start; //exports.printDates(hiddenDates) for (var i = 0; i < hiddenDates.length; i++) { var startDate = hiddenDates[i].start; var endDate = hiddenDates[i].end; // if time after the cutout, and the if (startDate >= range.start && endDate < range.end) { duration += startDate - previousPoint; previousPoint = endDate; if (duration >= requiredDuration) { break; }       else { hiddenDuration += endDate - startDate; }     }    }

return hiddenDuration; };

/**  * used to step over to either side of a hidden block. Correction is disabled on tablets, might be set to true * @param hiddenDates * @param time * @param direction * @param correctionEnabled * @returns {*} */ exports.snapAwayFromHidden = function(hiddenDates, time, direction, correctionEnabled) { var isHidden = exports.isHidden(time, hiddenDates); if (isHidden.hidden == true) { if (direction < 0) { if (correctionEnabled == true) { return isHidden.startDate - (isHidden.endDate - time) - 1; }       else { return isHidden.startDate - 1; }     }      else { if (correctionEnabled == true) { return isHidden.endDate + (time - isHidden.startDate) + 1; }       else { return isHidden.endDate + 1; }     }    }    else { return time; }

}

/**  * Check if a time is hidden *  * @param time * @param hiddenDates * @returns */ exports.isHidden = function(time, hiddenDates) { for (var i = 0; i < hiddenDates.length; i++) { var startDate = hiddenDates[i].start; var endDate = hiddenDates[i].end;

if (time >= startDate && time < endDate) { // if the start is entering a hidden zone return {hidden: true, startDate: startDate, endDate: endDate}; break; }   }    return {hidden: false, startDate: startDate, endDate: endDate}; }

/***/ }, /* 16 */ /***/ function(module, exports, __webpack_require__) {

/**  * @constructor  DataStep * The class DataStep is an iterator for data for the lineGraph. You provide a start data point and an  * end data point. The class itself determines the best scale (step size) based on the * provided start Date, end Date, and minimumStep. *  * If minimumStep is provided, the step size is chosen as close as possible * to the minimumStep but larger than minimumStep. If minimumStep is not * provided, the scale is set to 1 DAY. * The minimumStep should correspond with the onscreen size of about 6 characters *  * Alternatively, you can set a scale by hand. * After creation, you can initialize the class by executing first. Then you * can iterate from the start date to the end date via next. You can check if  * the end date is reached with the function hasNext. After each step, you can * retrieve the current date via getCurrent. * The DataStep has scales ranging from milliseconds, seconds, minutes, hours, * days, to years. *  * Version: 1.2 *  * @param {Date} [start]         The start date, for example new Date(2010, 9, 21) *                              or new Date(2010, 9, 21, 23, 45, 00) * @param {Date} [end]          The end date * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds */ function DataStep(start, end, minimumStep, containerHeight, customRange, alignZeros) { // variables this.current = 0;

this.autoScale = true; this.stepIndex = 0; this.step = 1; this.scale = 1;

this.marginStart; this.marginEnd; this.deadSpace = 0;

this.majorSteps = [1,    2,    5,  10]; this.minorSteps = [0.25, 0.5,  1,  2];

this.alignZeros = alignZeros;

this.setRange(start, end, minimumStep, containerHeight, customRange); }

/**  * Set a new range * If minimumStep is provided, the step size is chosen as close as possible * to the minimumStep but larger than minimumStep. If minimumStep is not * provided, the scale is set to 1 DAY. * The minimumStep should correspond with the onscreen size of about 6 characters * @param {Number} [start]     The start date and time. * @param {Number} [end]       The end date and time. * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds */ DataStep.prototype.setRange = function(start, end, minimumStep, containerHeight, customRange) { this._start = customRange.min === undefined ? start : customRange.min; this._end = customRange.max === undefined ? end : customRange.max;

if (this._start == this._end) { this._start -= 0.75; this._end += 1; }

if (this.autoScale == true) { this.setMinimumStep(minimumStep, containerHeight); }

this.setFirst(customRange); };

/**  * Automatically determine the scale that bests fits the provided minimum step * @param {Number} [minimumStep] The minimum step size in milliseconds */ DataStep.prototype.setMinimumStep = function(minimumStep, containerHeight) { // round to floor var size = this._end - this._start; var safeSize = size * 1.2; var minimumStepValue = minimumStep * (safeSize / containerHeight); var orderOfMagnitude = Math.round(Math.log(safeSize)/Math.LN10);

var minorStepIdx = -1; var magnitudefactor = Math.pow(10,orderOfMagnitude);

var start = 0; if (orderOfMagnitude < 0) { start = orderOfMagnitude; }

var solutionFound = false; for (var i = start; Math.abs(i) <= Math.abs(orderOfMagnitude); i++) { magnitudefactor = Math.pow(10,i); for (var j = 0; j < this.minorSteps.length; j++) { var stepSize = magnitudefactor * this.minorSteps[j]; if (stepSize >= minimumStepValue) { solutionFound = true; minorStepIdx = j;         break; }     }      if (solutionFound == true) { break; }   }    this.stepIndex = minorStepIdx; this.scale = magnitudefactor; this.step = magnitudefactor * this.minorSteps[minorStepIdx]; };

/**  * Round the current date to the first minor date value * This must be executed once when the current date is set to start Date */ DataStep.prototype.setFirst = function(customRange) { if (customRange === undefined) { customRange = {}; }

var niceStart = customRange.min === undefined ? this._start - (this.scale * 2 * this.minorSteps[this.stepIndex]) : customRange.min; var niceEnd = customRange.max === undefined ? this._end + (this.scale * this.minorSteps[this.stepIndex]) : customRange.max;

this.marginEnd = customRange.max === undefined ? this.roundToMinor(niceEnd) : customRange.max; this.marginStart = customRange.min === undefined ? this.roundToMinor(niceStart) : customRange.min;

// if we need to align the zero's we need to make sure that there is a zero to use. if (this.alignZeros == true && (this.marginEnd - this.marginStart) % this.step != 0) { this.marginEnd += this.marginEnd % this.step; }

this.deadSpace = this.roundToMinor(niceEnd) - niceEnd + this.roundToMinor(niceStart) - niceStart; this.marginRange = this.marginEnd - this.marginStart;

this.current = this.marginEnd; };

DataStep.prototype.roundToMinor = function(value) { var rounded = value - (value % (this.scale * this.minorSteps[this.stepIndex])); if (value % (this.scale * this.minorSteps[this.stepIndex]) > 0.5 * (this.scale * this.minorSteps[this.stepIndex])) { return rounded + (this.scale * this.minorSteps[this.stepIndex]); }   else { return rounded; } }

/**  * Check if the there is a next step * @return {boolean} true if the current date has not passed the end date */ DataStep.prototype.hasNext = function  { return (this.current >= this.marginStart); };

/**  * Do the next step */ DataStep.prototype.next = function { var prev = this.current; this.current -= this.step;

// safety mechanism: if current time is still unchanged, move to the end if (this.current == prev) { this.current = this._end; } };

/**  * Do the next step */ DataStep.prototype.previous = function { this.current += this.step; this.marginEnd += this.step; this.marginRange = this.marginEnd - this.marginStart; };

/**  * Get the current datetime * @return {String} current The current date */ DataStep.prototype.getCurrent = function(decimals) { // prevent round-off errors when close to zero var current = (Math.abs(this.current) < this.step / 2) ? 0 : this.current; var toPrecision = '' + Number(current).toPrecision(5);

// If decimals is specified, then limit or extend the string as required if(decimals !== undefined && !isNaN(Number(decimals))) { // If string includes exponent, then we need to add it to the end var exp = ""; var index = toPrecision.indexOf("e"); if(index != -1) { // Get the exponent exp = toPrecision.slice(index); // Remove the exponent in case we need to zero-extend toPrecision = toPrecision.slice(0, index); }     index = Math.max(toPrecision.indexOf(","), toPrecision.indexOf(".")); if(index === -1) { // No decimal found - if we want decimals, then we need to add it       if(decimals !== 0) { toPrecision += '.'; }       // Calculate how long the string should be        index = toPrecision.length + decimals; }     else if(decimals !== 0) { // Calculate how long the string should be - accounting for the decimal place index += decimals + 1; }     if(index > toPrecision.length) { // We need to add zeros! for(var cnt = index - toPrecision.length; cnt > 0; cnt--) { toPrecision += '0'; }     }      else { // we need to remove characters toPrecision = toPrecision.slice(0, index); }     // Add the exponent if there is one toPrecision += exp; }   else { if (toPrecision.indexOf(",") != -1 || toPrecision.indexOf(".") != -1) { // If no decimal is specified, and there are decimal places, remove trailing zeros for (var i = toPrecision.length - 1; i > 0; i--) { if (toPrecision[i] == "0") { toPrecision = toPrecision.slice(0, i); }         else if (toPrecision[i] == "." || toPrecision[i] == ",") { toPrecision = toPrecision.slice(0, i); break; }         else { break; }       }      }    }

return toPrecision; };

/**  * Check if the current value is a major value (for example when the step   * is DAY, a major value is each first day of the MONTH) * @return {boolean} true if current date is major, else false. */ DataStep.prototype.isMajor = function { return (this.current % (this.scale * this.majorSteps[this.stepIndex]) == 0); };

module.exports = DataStep;

/***/ }, /* 17 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var hammerUtil = __webpack_require__(47); var moment = __webpack_require__(44); var Component = __webpack_require__(25); var DateUtil = __webpack_require__(15);

/**  * @constructor Range * A Range controls a numeric range with a start and end value. * The Range adjusts the range based on mouse events or programmatic changes, * and triggers events when the range is changing or has been changed. * @param 🇩🇴 body * @param {Object} [options]   See description at Range.setOptions */ function Range(body, options) { var now = moment.hours(0).minutes(0).seconds(0).milliseconds(0); this.start = now.clone.add(-3, 'days').valueOf; // Number this.end = now.clone.add(4, 'days').valueOf;  // Number

this.body = body; this.deltaDifference = 0; this.scaleOffset = 0; this.startToFront = false; this.endToFront = true;

// default options this.defaultOptions = { start: null, end: null, direction: 'horizontal', // 'horizontal' or 'vertical' moveable: true, zoomable: true, min: null, max: null, zoomMin: 10,                               // milliseconds zoomMax: 1000 * 60 * 60 * 24 * 365 * 10000 // milliseconds };   this.options = util.extend({}, this.defaultOptions);

this.props = { touch: {} };   this.animateTimer = null;

// drag listeners for dragging this.body.emitter.on('dragstart', this._onDragStart.bind(this)); this.body.emitter.on('drag',     this._onDrag.bind(this)); this.body.emitter.on('dragend',  this._onDragEnd.bind(this));

// ignore dragging when holding this.body.emitter.on('hold', this._onHold.bind(this));

// mouse wheel for zooming this.body.emitter.on('mousewheel',     this._onMouseWheel.bind(this)); this.body.emitter.on('DOMMouseScroll', this._onMouseWheel.bind(this)); // For FF

// pinch to zoom this.body.emitter.on('touch', this._onTouch.bind(this)); this.body.emitter.on('pinch', this._onPinch.bind(this));

this.setOptions(options); }

Range.prototype = new Component;

/**  * Set options for the range controller * @param {Object} options     Available options: *                             {Number | Date | String} start  Start date for the range *                             {Number | Date | String} end    End date for the range *                             {Number} min    Minimum value for start *                             {Number} max    Maximum value for end *                             {Number} zoomMin    Set a minimum value for *                                                 (end - start). *                             {Number} zoomMax    Set a maximum value for *                                                 (end - start). *                             {Boolean} moveable Enable moving of the range *                                                by dragging. True by default *                             {Boolean} zoomable Enable zooming of the range *                                                by pinching/scrolling. True by default */ Range.prototype.setOptions = function (options) { if (options) { // copy the options that we know var fields = ['direction', 'min', 'max', 'zoomMin', 'zoomMax', 'moveable', 'zoomable', 'activate', 'hiddenDates']; util.selectiveExtend(fields, this.options, options);

if ('start' in options || 'end' in options) { // apply a new range. both start and end are optional this.setRange(options.start, options.end); }   }  };

/**  * Test whether direction has a valid value * @param {String} direction   'horizontal' or 'vertical' */ function validateDirection (direction) { if (direction != 'horizontal' && direction != 'vertical') { throw new TypeError('Unknown direction "' + direction + '". ' +         'Choose "horizontal" or "vertical".'); } }

/**  * Set a new start and end range * @param {Date | Number | String} [start] * @param {Date | Number | String} [end] * @param {boolean | number} [animate=false]    If true, the range is animated *                                              smoothly to the new window. *                                              If animate is a number, the *                                              number is taken as duration *                                              Default duration is 500 ms.   * @param {Boolean} [byUser=false] *  */  Range.prototype.setRange = function(start, end, animate, byUser) { if (byUser !== true) { byUser = false; }   var _start = start != undefined ? util.convert(start, 'Date').valueOf : null; var _end  = end != undefined   ? util.convert(end, 'Date').valueOf  : null; this._cancelAnimation;

if (animate) { var me = this; var initStart = this.start; var initEnd = this.end; var duration = typeof animate === 'number' ? animate : 500; var initTime = new Date.valueOf; var anyChanged = false;

var next = function { if (!me.props.touch.dragging) { var now = new Date.valueOf; var time = now - initTime; var done = time > duration; var s = (done || _start === null) ? _start : util.easeInOutQuad(time, initStart, _start, duration); var e = (done || _end === null)  ? _end  : util.easeInOutQuad(time, initEnd, _end, duration);

changed = me._applyRange(s, e); DateUtil.updateHiddenDates(me.body, me.options.hiddenDates); anyChanged = anyChanged || changed; if (changed) { me.body.emitter.emit('rangechange', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); }

if (done) { if (anyChanged) { me.body.emitter.emit('rangechanged', {start: new Date(me.start), end: new Date(me.end), byUser:byUser}); }         }          else { // animate with as high as possible frame rate, leave 20 ms in between // each to prevent the browser from blocking me.animateTimer = setTimeout(next, 20); }       }      };

return next; }   else { var changed = this._applyRange(_start, _end); DateUtil.updateHiddenDates(this.body, this.options.hiddenDates); if (changed) { var params = {start: new Date(this.start), end: new Date(this.end), byUser:byUser}; this.body.emitter.emit('rangechange', params); this.body.emitter.emit('rangechanged', params); }   }  };

/**  * Stop an animation * @private */ Range.prototype._cancelAnimation = function  { if (this.animateTimer) { clearTimeout(this.animateTimer); this.animateTimer = null; } };

/**  * Set a new start and end range. This method is the same as setRange, but * does not trigger a range change and range changed event, and it returns * true when the range is changed * @param {Number} [start] * @param {Number} [end] * @return {Boolean} changed * @private */ Range.prototype._applyRange = function(start, end) { var newStart = (start != null) ? util.convert(start, 'Date').valueOf : this.start, newEnd  = (end != null)   ? util.convert(end, 'Date').valueOf  : this.end, max = (this.options.max != null) ? util.convert(this.options.max, 'Date').valueOf : null, min = (this.options.min != null) ? util.convert(this.options.min, 'Date').valueOf : null, diff;

// check for valid number if (isNaN(newStart) || newStart === null) { throw new Error('Invalid start "' + start + '"'); }   if (isNaN(newEnd) || newEnd === null) { throw new Error('Invalid end "' + end + '"'); }

// prevent start < end if (newEnd < newStart) { newEnd = newStart; }

// prevent start < min if (min !== null) { if (newStart < min) { diff = (min - newStart); newStart += diff; newEnd += diff;

// prevent end > max if (max != null) { if (newEnd > max) { newEnd = max; }       }      }    }

// prevent end > max if (max !== null) { if (newEnd > max) { diff = (newEnd - max); newStart -= diff; newEnd -= diff;

// prevent start < min if (min != null) { if (newStart < min) { newStart = min; }       }      }    }

// prevent (end-start) < zoomMin if (this.options.zoomMin !== null) { var zoomMin = parseFloat(this.options.zoomMin); if (zoomMin < 0) { zoomMin = 0; }     if ((newEnd - newStart) < zoomMin) { if ((this.end - this.start) === zoomMin && newStart > this.start && newEnd < this.end) { // ignore this action, we are already zoomed to the minimum newStart = this.start; newEnd = this.end; }       else { // zoom to the minimum diff = (zoomMin - (newEnd - newStart)); newStart -= diff / 2; newEnd += diff / 2; }     }    }

// prevent (end-start) > zoomMax if (this.options.zoomMax !== null) { var zoomMax = parseFloat(this.options.zoomMax); if (zoomMax < 0) { zoomMax = 0; }

if ((newEnd - newStart) > zoomMax) { if ((this.end - this.start) === zoomMax && newStart < this.start && newEnd > this.end) { // ignore this action, we are already zoomed to the maximum newStart = this.start; newEnd = this.end; }       else { // zoom to the maximum diff = ((newEnd - newStart) - zoomMax); newStart += diff / 2; newEnd -= diff / 2; }     }    }

var changed = (this.start != newStart || this.end != newEnd);

// if the new range does NOT overlap with the old range, emit checkRangedItems to avoid not showing ranged items (ranged meaning has end time, not necessarily of type Range) if (!((newStart >= this.start && newStart  <= this.end) || (newEnd   >= this.start && newEnd   <= this.end)) &&        !((this.start >= newStart && this.start <= newEnd)   || (this.end >= newStart   && this.end <= newEnd) )) { this.body.emitter.emit('checkRangedItems'); }

this.start = newStart; this.end = newEnd; return changed; };

/**  * Retrieve the current range. * @return {Object} An object with start and end properties */ Range.prototype.getRange = function { return { start: this.start, end: this.end }; };

/**  * Calculate the conversion offset and scale for current range, based on   * the provided width * @param {Number} width * @returns conversion */ Range.prototype.conversion = function (width, totalHidden) { return Range.conversion(this.start, this.end, width, totalHidden); };

/**  * Static method to calculate the conversion offset and scale for a range, * based on the provided start, end, and width * @param {Number} start * @param {Number} end * @param {Number} width * @returns conversion */ Range.conversion = function (start, end, width, totalHidden) { if (totalHidden === undefined) { totalHidden = 0; }   if (width != 0 && (end - start != 0)) { return { offset: start, scale: width / (end - start - totalHidden) }   }    else { return { offset: 0, scale: 1 };   }  };

/**  * Start dragging horizontally or vertically * @param {Event} event * @private */ Range.prototype._onDragStart = function(event) { this.deltaDifference = 0; this.previousDelta = 0; // only allow dragging when configured as movable if (!this.options.moveable) return;

// refuse to drag when we where pinching to prevent the timeline make a jump // when releasing the fingers in opposite order from the touch screen if (!this.props.touch.allowDragging) return;

this.props.touch.start = this.start; this.props.touch.end = this.end; this.props.touch.dragging = true;

if (this.body.dom.root) { this.body.dom.root.style.cursor = 'move'; } };

/**  * Perform dragging operation * @param {Event} event * @private */ Range.prototype._onDrag = function (event) { // only allow dragging when configured as movable if (!this.options.moveable) return; // refuse to drag when we where pinching to prevent the timeline make a jump // when releasing the fingers in opposite order from the touch screen if (!this.props.touch.allowDragging) return;

var direction = this.options.direction; validateDirection(direction);

var delta = (direction == 'horizontal') ? event.gesture.deltaX : event.gesture.deltaY; delta -= this.deltaDifference; var interval = (this.props.touch.end - this.props.touch.start);

// normalize dragging speed if cutout is in between. var duration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); interval -= duration;

var width = (direction == 'horizontal') ? this.body.domProps.center.width : this.body.domProps.center.height; var diffRange = -delta / width * interval; var newStart = this.props.touch.start + diffRange; var newEnd = this.props.touch.end + diffRange;

// snapping times away from hidden zones var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, this.previousDelta-delta, true); var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, this.previousDelta-delta, true); if (safeStart != newStart || safeEnd != newEnd) { this.deltaDifference += delta; this.props.touch.start = safeStart; this.props.touch.end = safeEnd; this._onDrag(event); return; }

this.previousDelta = delta; this._applyRange(newStart, newEnd);

// fire a rangechange event this.body.emitter.emit('rangechange', {     start: new Date(this.start),      end:   new Date(this.end),      byUser: true    }); };

/**  * Stop dragging operation * @param {event} event * @private */ Range.prototype._onDragEnd = function (event) { // only allow dragging when configured as movable if (!this.options.moveable) return;

// refuse to drag when we where pinching to prevent the timeline make a jump // when releasing the fingers in opposite order from the touch screen if (!this.props.touch.allowDragging) return;

this.props.touch.dragging = false; if (this.body.dom.root) { this.body.dom.root.style.cursor = 'auto'; }

// fire a rangechanged event this.body.emitter.emit('rangechanged', {     start: new Date(this.start),      end:   new Date(this.end),      byUser: true    }); };

/**  * Event handler for mouse wheel event, used to zoom * Code from http://adomas.org/javascript-mouse-wheel/ * @param {Event} event * @private */ Range.prototype._onMouseWheel = function(event) { // only allow zooming when configured as zoomable and moveable if (!(this.options.zoomable && this.options.moveable)) return;

// retrieve delta var delta = 0; if (event.wheelDelta) { /* IE/Opera. */     delta = event.wheelDelta / 120; } else if (event.detail) { /* Mozilla case. */     // In Mozilla, sign of delta is different than in IE. // Also, delta is multiple of 3. delta = -event.detail / 3; }

// If delta is nonzero, handle it. // Basically, delta is now positive if wheel was scrolled up, // and negative, if wheel was scrolled down. if (delta) { // perform the zoom action. Delta is normally 1 or -1

// adjust a negative delta such that zooming in with delta 0.1 // equals zooming out with a delta -0.1 var scale; if (delta < 0) { scale = 1 - (delta / 5); }     else { scale = 1 / (1 + (delta / 5)) ; }

// calculate center, the date to zoom around var gesture = hammerUtil.fakeGesture(this, event), pointer = getPointer(gesture.center, this.body.dom.center), pointerDate = this._pointerToDate(pointer);

this.zoom(scale, pointerDate, delta); }

// Prevent default actions caused by mouse wheel // (else the page and timeline both zoom and scroll) event.preventDefault; };

/**  * Start of a touch gesture * @private */ Range.prototype._onTouch = function (event) { this.props.touch.start = this.start; this.props.touch.end = this.end; this.props.touch.allowDragging = true; this.props.touch.center = null; this.scaleOffset = 0; this.deltaDifference = 0; };

/**  * On start of a hold gesture * @private */ Range.prototype._onHold = function  { this.props.touch.allowDragging = false; };

/**  * Handle pinch event * @param {Event} event * @private */ Range.prototype._onPinch = function (event) { // only allow zooming when configured as zoomable and moveable if (!(this.options.zoomable && this.options.moveable)) return;

this.props.touch.allowDragging = false;

if (event.gesture.touches.length > 1) { if (!this.props.touch.center) { this.props.touch.center = getPointer(event.gesture.center, this.body.dom.center); }

var scale = 1 / (event.gesture.scale + this.scaleOffset); var centerDate = this._pointerToDate(this.props.touch.center);

var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, centerDate); var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore;

// calculate new start and end var newStart = (centerDate - hiddenDurationBefore) + (this.props.touch.start - (centerDate - hiddenDurationBefore)) * scale; var newEnd = (centerDate + hiddenDurationAfter) + (this.props.touch.end - (centerDate + hiddenDurationAfter)) * scale;

// snapping times away from hidden zones this.startToFront = 1 - scale > 0 ? false : true; // used to do the right autocorrection with periodic hidden times this.endToFront = scale - 1 > 0 ? false : true; // used to do the right autocorrection with periodic hidden times

var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, 1 - scale, true); var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, scale - 1, true); if (safeStart != newStart || safeEnd != newEnd) { this.props.touch.start = safeStart; this.props.touch.end = safeEnd; this.scaleOffset = 1 - event.gesture.scale; newStart = safeStart; newEnd = safeEnd; }

this.setRange(newStart, newEnd, false, true);

this.startToFront = false; // revert to default this.endToFront = true; // revert to default } };

/**  * Helper function to calculate the center date for zooming * @param pointer * @return {number} date * @private */ Range.prototype._pointerToDate = function (pointer) { var conversion; var direction = this.options.direction;

validateDirection(direction);

if (direction == 'horizontal') { return this.body.util.toTime(pointer.x).valueOf; }   else { var height = this.body.domProps.center.height; conversion = this.conversion(height); return pointer.y / conversion.scale + conversion.offset; } };

/**  * Get the pointer location relative to the location of the dom element * @param touch * @param {Element} element  HTML DOM element * @return pointer * @private */ function getPointer (touch, element) { return { x: touch.pageX - util.getAbsoluteLeft(element), y: touch.pageY - util.getAbsoluteTop(element) }; }

/**  * Zoom the range the given scale in or out. Start and end date will * be adjusted, and the timeline will be redrawn. You can optionally give a  * date around which to zoom. * For example, try scale = 0.9 or 1.1 * @param {Number} scale     Scaling factor. Values above 1 will zoom out, *                           values below 1 will zoom in. * @param {Number} [center]  Value representing a date around which will *                           be zoomed. */ Range.prototype.zoom = function(scale, center, delta) { // if centerDate is not provided, take it half between start Date and end Date if (center == null) { center = (this.start + this.end) / 2; }

var hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end); var hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this, center); var hiddenDurationAfter = hiddenDuration - hiddenDurationBefore;

// calculate new start and end var newStart = (center-hiddenDurationBefore) + (this.start - (center-hiddenDurationBefore)) * scale; var newEnd  = (center+hiddenDurationAfter) + (this.end - (center+hiddenDurationAfter)) * scale;

// snapping times away from hidden zones this.startToFront = delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times this.endToFront = -delta > 0 ? false : true; // used to do the right autocorrection with periodic hidden times var safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, delta, true); var safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, -delta, true); if (safeStart != newStart || safeEnd != newEnd) { newStart = safeStart; newEnd = safeEnd; }

this.setRange(newStart, newEnd, false, true);

this.startToFront = false; // revert to default this.endToFront = true; // revert to default };

/**  * Move the range with a given delta to the left or right. Start and end * value will be adjusted. For example, try delta = 0.1 or -0.1 * @param {Number} delta     Moving amount. Positive value will move right, *                           negative value will move left */ Range.prototype.move = function(delta) { // zoom start Date and end Date relative to the centerDate var diff = (this.end - this.start);

// apply new values var newStart = this.start + diff * delta; var newEnd = this.end + diff * delta;

// TODO: reckon with min and max range

this.start = newStart; this.end = newEnd; };

/**  * Move the range to a new center point * @param {Number} moveTo     New center point of the range */ Range.prototype.moveTo = function(moveTo) { var center = (this.start + this.end) / 2;

var diff = center - moveTo;

// calculate new start and end var newStart = this.start - diff; var newEnd = this.end - diff;

this.setRange(newStart, newEnd); };

module.exports = Range;

/***/ }, /* 18 */ /***/ function(module, exports, __webpack_require__) {

// Utility functions for ordering and stacking of items var EPSILON = 0.001; // used when checking collisions, to prevent round-off errors

/**  * Order items by their start data * @param {Item[]} items */ exports.orderByStart = function(items) { items.sort(function (a, b) {     return a.data.start - b.data.start;    }); };

/**  * Order items by their end date. If they have no end date, their start date * is used. * @param {Item[]} items */ exports.orderByEnd = function(items) { items.sort(function (a, b) {     var aTime = ('end' in a.data) ? a.data.end : a.data.start,          bTime = ('end' in b.data) ? b.data.end : b.data.start;

return aTime - bTime; }); };

/**  * Adjust vertical positions of the items such that they don't overlap each * other. * @param {Item[]} items *           All visible items * @param margin *           Margins between items and between items and the axis. * @param {boolean} [force=false] *           If true, all items will be repositioned. If false (default), only *           items having a top===null will be re-stacked */ exports.stack = function(items, margin, force) { var i, iMax;

if (force) { // reset top position of all items for (i = 0, iMax = items.length; i < iMax; i++) { items[i].top = null; }   }

// calculate new, non-overlapping positions for (i = 0, iMax = items.length; i < iMax; i++) { var item = items[i]; if (item.stack && item.top === null) { // initialize top position item.top = margin.axis;

do { // TODO: optimize checking for overlap. when there is a gap without items, //      you only need to check for items from the next item on, not from zero var collidingItem = null; for (var j = 0, jj = items.length; j < jj; j++) { var other = items[j]; if (other.top !== null && other !== item && other.stack && exports.collision(item, other, margin.item)) { collidingItem = other; break; }         }

if (collidingItem != null) { // There is a collision. Reposition the items above the colliding element item.top = collidingItem.top + collidingItem.height + margin.item.vertical; }       } while (collidingItem); }   }  };

/**  * Adjust vertical positions of the items without stacking them * @param {Item[]} items *           All visible items * @param margin *           Margins between items and between items and the axis. */ exports.nostack = function(items, margin, subgroups) { var i, iMax, newTop;

// reset top position of all items for (i = 0, iMax = items.length; i < iMax; i++) { if (items[i].data.subgroup !== undefined) { newTop = margin.axis; for (var subgroup in subgroups) { if (subgroups.hasOwnProperty(subgroup)) { if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroups[items[i].data.subgroup].index) { newTop += subgroups[subgroup].height + margin.item.vertical; }         }        }        items[i].top = newTop; }     else { items[i].top = margin.axis; }   }  };

/**  * Test if the two provided items collide * The items must have parameters left, width, top, and height. * @param {Item} a         The first item * @param {Item} b         The second item * @param margin *                         An object containing a horizontal and vertical *                         minimum required margin. * @return {boolean}       true if a and b collide, else false */ exports.collision = function(a, b, margin) { return ((a.left - margin.horizontal + EPSILON)      < (b.left + b.width) &&        (a.left + a.width + margin.horizontal - EPSILON) > b.left &&        (a.top - margin.vertical + EPSILON)              < (b.top + b.height) &&        (a.top + a.height + margin.vertical - EPSILON)   > b.top); };

/***/ }, /* 19 */ /***/ function(module, exports, __webpack_require__) {

var moment = __webpack_require__(44); var DateUtil = __webpack_require__(15); var util = __webpack_require__(1);

/**  * @constructor  TimeStep * The class TimeStep is an iterator for dates. You provide a start date and an  * end date. The class itself determines the best scale (step size) based on the * provided start Date, end Date, and minimumStep. *  * If minimumStep is provided, the step size is chosen as close as possible * to the minimumStep but larger than minimumStep. If minimumStep is not * provided, the scale is set to 1 DAY. * The minimumStep should correspond with the onscreen size of about 6 characters *  * Alternatively, you can set a scale by hand. * After creation, you can initialize the class by executing first. Then you * can iterate from the start date to the end date via next. You can check if  * the end date is reached with the function hasNext. After each step, you can * retrieve the current date via getCurrent. * The TimeStep has scales ranging from milliseconds, seconds, minutes, hours, * days, to years. *  * Version: 1.2 *  * @param {Date} [start]         The start date, for example new Date(2010, 9, 21) *                              or new Date(2010, 9, 21, 23, 45, 00) * @param {Date} [end]          The end date * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds */ function TimeStep(start, end, minimumStep, hiddenDates) { // variables this.current = new Date; this._start = new Date; this._end = new Date;

this.autoScale = true; this.scale = 'day'; this.step = 1;

// initialize the range this.setRange(start, end, minimumStep);

// hidden Dates options this.switchedDay = false; this.switchedMonth = false; this.switchedYear = false; this.hiddenDates = hiddenDates; if (hiddenDates === undefined) { this.hiddenDates = []; }

this.format = TimeStep.FORMAT; // default formatting }

// Time formatting TimeStep.FORMAT = { minorLabels: { millisecond:'SSS', second:    's', minute:    'HH:mm', hour:      'HH:mm', weekday:   'ddd D', day:       'D', month:     'MMM', year:      'YYYY' },   majorLabels: { millisecond:'HH:mm:ss', second:    'D MMMM HH:mm', minute:    'ddd D MMMM', hour:      'ddd D MMMM', weekday:   'MMMM YYYY', day:       'MMMM YYYY', month:     'YYYY', year:      '' } };

/**  * Set custom formatting for the minor an major labels of the TimeStep. * Both `minorLabels` and `majorLabels` are an Object with properties: * 'millisecond, 'second, 'minute', 'hour', 'weekday, 'day, 'month, 'year'. * @param format */ TimeStep.prototype.setFormat = function (format) { var defaultFormat = util.deepExtend({}, TimeStep.FORMAT); this.format = util.deepExtend(defaultFormat, format); };

/**  * Set a new range * If minimumStep is provided, the step size is chosen as close as possible * to the minimumStep but larger than minimumStep. If minimumStep is not * provided, the scale is set to 1 DAY. * The minimumStep should correspond with the onscreen size of about 6 characters * @param {Date} [start]     The start date and time. * @param {Date} [end]       The end date and time. * @param {int} [minimumStep] Optional. Minimum step size in milliseconds */ TimeStep.prototype.setRange = function(start, end, minimumStep) { if (!(start instanceof Date) || !(end instanceof Date)) { throw "No legal start or end date in method setRange"; }

this._start = (start != undefined) ? new Date(start.valueOf) : new Date; this._end = (end != undefined) ? new Date(end.valueOf) : new Date;

if (this.autoScale) { this.setMinimumStep(minimumStep); } };

/**  * Set the range iterator to the start date. */ TimeStep.prototype.first = function { this.current = new Date(this._start.valueOf); this.roundToMinor; };

/**  * Round the current date to the first minor date value * This must be executed once when the current date is set to start Date */ TimeStep.prototype.roundToMinor = function { // round to floor // IMPORTANT: we have no breaks in this switch! (this is no bug) // noinspection FallThroughInSwitchStatementJS switch (this.scale) { case 'year': this.current.setFullYear(this.step * Math.floor(this.current.getFullYear / this.step)); this.current.setMonth(0); case 'month':       this.current.setDate(1); case 'day':         // intentional fall through case 'weekday':     this.current.setHours(0); case 'hour':        this.current.setMinutes(0); case 'minute':      this.current.setSeconds(0); case 'second':      this.current.setMilliseconds(0); //case 'millisecond': // nothing to do for milliseconds }

if (this.step != 1) { // round down to the first minor value that is a multiple of the current step size switch (this.scale) { case 'millisecond': this.current.setMilliseconds(this.current.getMilliseconds - this.current.getMilliseconds % this.step);  break; case 'second':      this.current.setSeconds(this.current.getSeconds - this.current.getSeconds % this.step); break; case 'minute':      this.current.setMinutes(this.current.getMinutes - this.current.getMinutes % this.step); break; case 'hour':        this.current.setHours(this.current.getHours - this.current.getHours % this.step); break; case 'weekday':     // intentional fall through case 'day':         this.current.setDate((this.current.getDate-1) - (this.current.getDate-1) % this.step + 1); break; case 'month':       this.current.setMonth(this.current.getMonth - this.current.getMonth % this.step);  break; case 'year':        this.current.setFullYear(this.current.getFullYear - this.current.getFullYear % this.step); break; default: break; }   }  };

/**  * Check if the there is a next step * @return {boolean} true if the current date has not passed the end date */ TimeStep.prototype.hasNext = function  { return (this.current.valueOf <= this._end.valueOf); };

/**  * Do the next step */ TimeStep.prototype.next = function { var prev = this.current.valueOf;

// Two cases, needed to prevent issues with switching daylight savings // (end of March and end of October) if (this.current.getMonth < 6)  { switch (this.scale) { case 'millisecond':

this.current = new Date(this.current.valueOf + this.step); break; case 'second':      this.current = new Date(this.current.valueOf + this.step * 1000); break; case 'minute':      this.current = new Date(this.current.valueOf + this.step * 1000 * 60); break; case 'hour': this.current = new Date(this.current.valueOf + this.step * 1000 * 60 * 60); // in case of skipping an hour for daylight savings, adjust the hour again (else you get: 0h 5h 9h ... instead of 0h 4h 8h ...) var h = this.current.getHours; this.current.setHours(h - (h % this.step)); break; case 'weekday':     // intentional fall through case 'day':         this.current.setDate(this.current.getDate + this.step); break; case 'month':       this.current.setMonth(this.current.getMonth + this.step); break; case 'year':        this.current.setFullYear(this.current.getFullYear + this.step); break; default:                     break; }   }    else { switch (this.scale) { case 'millisecond': this.current = new Date(this.current.valueOf + this.step); break; case 'second':      this.current.setSeconds(this.current.getSeconds + this.step); break; case 'minute':      this.current.setMinutes(this.current.getMinutes + this.step); break; case 'hour':        this.current.setHours(this.current.getHours + this.step); break; case 'weekday':     // intentional fall through case 'day':         this.current.setDate(this.current.getDate + this.step); break; case 'month':       this.current.setMonth(this.current.getMonth + this.step); break; case 'year':        this.current.setFullYear(this.current.getFullYear + this.step); break; default:                     break; }   }

if (this.step != 1) { // round down to the correct major value switch (this.scale) { case 'millisecond': if(this.current.getMilliseconds < this.step) this.current.setMilliseconds(0);  break; case 'second':      if(this.current.getSeconds < this.step) this.current.setSeconds(0);  break; case 'minute':      if(this.current.getMinutes < this.step) this.current.setMinutes(0);  break; case 'hour':        if(this.current.getHours < this.step) this.current.setHours(0);  break; case 'weekday':     // intentional fall through case 'day':         if(this.current.getDate < this.step+1) this.current.setDate(1); break; case 'month':       if(this.current.getMonth < this.step) this.current.setMonth(0);  break; case 'year':        break; // nothing to do for year default:               break; }   }

// safety mechanism: if current time is still unchanged, move to the end if (this.current.valueOf == prev) { this.current = new Date(this._end.valueOf); }

DateUtil.stepOverHiddenDates(this, prev); };

/**  * Get the current datetime * @return {Date} current The current date */ TimeStep.prototype.getCurrent = function { return this.current; };

/**  * Set a custom scale. Autoscaling will be disabled. * For example setScale('minute', 5) will result * in minor steps of 5 minutes, and major steps of an hour. *  * @param  params *                              An object containing two properties: *                              - A string 'scale'. Choose from 'millisecond', 'second', *                                'minute', 'hour', 'weekday, 'day, 'month, 'year'. *                              - A number 'step'. A step size, by default 1. *                                Choose for example 1, 2, 5, or 10. */ TimeStep.prototype.setScale = function(params) { if (params && typeof params.scale == 'string') { this.scale = params.scale; this.step = params.step > 0 ? params.step : 1; this.autoScale = false; } };

/**  * Enable or disable autoscaling * @param {boolean} enable If true, autoascaling is set true */ TimeStep.prototype.setAutoScale = function (enable) { this.autoScale = enable; };

/**  * Automatically determine the scale that bests fits the provided minimum step * @param {Number} [minimumStep] The minimum step size in milliseconds */ TimeStep.prototype.setMinimumStep = function(minimumStep) { if (minimumStep == undefined) { return; }

//var b = asc + ds;

var stepYear      = (1000 * 60 * 60 * 24 * 30 * 12); var stepMonth     = (1000 * 60 * 60 * 24 * 30); var stepDay       = (1000 * 60 * 60 * 24); var stepHour      = (1000 * 60 * 60); var stepMinute    = (1000 * 60); var stepSecond    = (1000); var stepMillisecond= (1);

// find the smallest step that is larger than the provided minimumStep if (stepYear*1000 > minimumStep)       {this.scale = 'year';        this.step = 1000;} if (stepYear*500 > minimumStep)        {this.scale = 'year';        this.step = 500;} if (stepYear*100 > minimumStep)        {this.scale = 'year';        this.step = 100;} if (stepYear*50 > minimumStep)         {this.scale = 'year';        this.step = 50;} if (stepYear*10 > minimumStep)         {this.scale = 'year';        this.step = 10;} if (stepYear*5 > minimumStep)          {this.scale = 'year';        this.step = 5;} if (stepYear > minimumStep)            {this.scale = 'year';        this.step = 1;} if (stepMonth*3 > minimumStep)         {this.scale = 'month';       this.step = 3;} if (stepMonth > minimumStep)           {this.scale = 'month';       this.step = 1;} if (stepDay*5 > minimumStep)           {this.scale = 'day';         this.step = 5;} if (stepDay*2 > minimumStep)           {this.scale = 'day';         this.step = 2;} if (stepDay > minimumStep)             {this.scale = 'day';         this.step = 1;} if (stepDay/2 > minimumStep)           {this.scale = 'weekday';     this.step = 1;} if (stepHour*4 > minimumStep)          {this.scale = 'hour';        this.step = 4;} if (stepHour > minimumStep)            {this.scale = 'hour';        this.step = 1;} if (stepMinute*15 > minimumStep)       {this.scale = 'minute';      this.step = 15;} if (stepMinute*10 > minimumStep)       {this.scale = 'minute';      this.step = 10;} if (stepMinute*5 > minimumStep)        {this.scale = 'minute';      this.step = 5;} if (stepMinute > minimumStep)          {this.scale = 'minute';      this.step = 1;} if (stepSecond*15 > minimumStep)       {this.scale = 'second';      this.step = 15;} if (stepSecond*10 > minimumStep)       {this.scale = 'second';      this.step = 10;} if (stepSecond*5 > minimumStep)        {this.scale = 'second';      this.step = 5;} if (stepSecond > minimumStep)          {this.scale = 'second';      this.step = 1;} if (stepMillisecond*200 > minimumStep) {this.scale = 'millisecond'; this.step = 200;} if (stepMillisecond*100 > minimumStep) {this.scale = 'millisecond'; this.step = 100;} if (stepMillisecond*50 > minimumStep)  {this.scale = 'millisecond'; this.step = 50;} if (stepMillisecond*10 > minimumStep)  {this.scale = 'millisecond'; this.step = 10;} if (stepMillisecond*5 > minimumStep)   {this.scale = 'millisecond'; this.step = 5;} if (stepMillisecond > minimumStep)     {this.scale = 'millisecond'; this.step = 1;} };

/**  * Snap a date to a rounded value. * The snap intervals are dependent on the current scale and step. * Static function * @param {Date} date   the date to be snapped. * @param {string} scale Current scale, can be 'millisecond', 'second', *                      'minute', 'hour', 'weekday, 'day, 'month, 'year'. * @param {number} step Current step (1, 2, 4, 5, ...   * @return {Date} snappedDate   */  TimeStep.snap = function(date, scale, step) {    var clone = new Date(date.valueOf);

if (scale == 'year') { var year = clone.getFullYear + Math.round(clone.getMonth / 12); clone.setFullYear(Math.round(year / step) * step); clone.setMonth(0); clone.setDate(0); clone.setHours(0); clone.setMinutes(0); clone.setSeconds(0); clone.setMilliseconds(0); }   else if (scale == 'month') { if (clone.getDate > 15) { clone.setDate(1); clone.setMonth(clone.getMonth + 1); // important: first set Date to 1, after that change the month. }     else { clone.setDate(1); }

clone.setHours(0); clone.setMinutes(0); clone.setSeconds(0); clone.setMilliseconds(0); }   else if (scale == 'day') { //noinspection FallthroughInSwitchStatementJS switch (step) { case 5: case 2: clone.setHours(Math.round(clone.getHours / 24) * 24); break; default: clone.setHours(Math.round(clone.getHours / 12) * 12); break; }     clone.setMinutes(0); clone.setSeconds(0); clone.setMilliseconds(0); }   else if (scale == 'weekday') { //noinspection FallthroughInSwitchStatementJS switch (step) { case 5: case 2: clone.setHours(Math.round(clone.getHours / 12) * 12); break; default: clone.setHours(Math.round(clone.getHours / 6) * 6); break; }     clone.setMinutes(0); clone.setSeconds(0); clone.setMilliseconds(0); }   else if (scale == 'hour') { switch (step) { case 4: clone.setMinutes(Math.round(clone.getMinutes / 60) * 60); break; default: clone.setMinutes(Math.round(clone.getMinutes / 30) * 30); break; }     clone.setSeconds(0); clone.setMilliseconds(0); } else if (scale == 'minute') { //noinspection FallthroughInSwitchStatementJS switch (step) { case 15: case 10: clone.setMinutes(Math.round(clone.getMinutes / 5) * 5); clone.setSeconds(0); break; case 5: clone.setSeconds(Math.round(clone.getSeconds / 60) * 60); break; default: clone.setSeconds(Math.round(clone.getSeconds / 30) * 30); break; }     clone.setMilliseconds(0); }   else if (scale == 'second') { //noinspection FallthroughInSwitchStatementJS switch (step) { case 15: case 10: clone.setSeconds(Math.round(clone.getSeconds / 5) * 5); clone.setMilliseconds(0); break; case 5: clone.setMilliseconds(Math.round(clone.getMilliseconds / 1000) * 1000); break; default: clone.setMilliseconds(Math.round(clone.getMilliseconds / 500) * 500); break; }   }    else if (scale == 'millisecond') { var _step = step > 5 ? step / 2 : 1; clone.setMilliseconds(Math.round(clone.getMilliseconds / _step) * _step); }   return clone; };

/**  * Check if the current value is a major value (for example when the step   * is DAY, a major value is each first day of the MONTH) * @return {boolean} true if current date is major, else false. */ TimeStep.prototype.isMajor = function { if (this.switchedYear == true) { this.switchedYear = false; switch (this.scale) { case 'year': case 'month': case 'weekday': case 'day': case 'hour': case 'minute': case 'second': case 'millisecond': return true; default: return false; }   }    else if (this.switchedMonth == true) { this.switchedMonth = false; switch (this.scale) { case 'weekday': case 'day': case 'hour': case 'minute': case 'second': case 'millisecond': return true; default: return false; }   }    else if (this.switchedDay == true) { this.switchedDay = false; switch (this.scale) { case 'millisecond': case 'second': case 'minute': case 'hour': return true; default: return false; }   }

switch (this.scale) { case 'millisecond': return (this.current.getMilliseconds == 0); case 'second': return (this.current.getSeconds == 0); case 'minute': return (this.current.getHours == 0) && (this.current.getMinutes == 0); case 'hour': return (this.current.getHours == 0); case 'weekday': // intentional fall through case 'day': return (this.current.getDate == 1); case 'month': return (this.current.getMonth == 0); case 'year': return false; default: return false; } };

/**  * Returns formatted text for the minor axislabel, depending on the current * date and the scale. For example when scale is MINUTE, the current time is  * formatted as "hh:mm". * @param {Date} [date] custom date. if not provided, current date is taken */ TimeStep.prototype.getLabelMinor = function(date) { if (date == undefined) { date = this.current; }

var format = this.format.minorLabels[this.scale]; return (format && format.length > 0) ? moment(date).format(format) : ''; };

/**  * Returns formatted text for the major axis label, depending on the current * date and the scale. For example when scale is MINUTE, the major scale is  * hours, and the hour will be formatted as "hh". * @param {Date} [date] custom date. if not provided, current date is taken */ TimeStep.prototype.getLabelMajor = function(date) { if (date == undefined) { date = this.current; }

var format = this.format.majorLabels[this.scale]; return (format && format.length > 0) ? moment(date).format(format) : ''; };

TimeStep.prototype.getClassName = function { var m = moment(this.current); var date = m.locale ? m.locale('en') : m.lang('en'); // old versions of moment have .lang function var step = this.step;

function even(value) { return (value / step % 2 == 0) ? ' even' : ' odd'; }

function today(date) { if (date.isSame(new Date, 'day')) { return ' today'; }     if (date.isSame(moment.add(1, 'day'), 'day')) { return ' tomorrow'; }     if (date.isSame(moment.add(-1, 'day'), 'day')) { return ' yesterday'; }     return ''; }

function currentWeek(date) { return date.isSame(new Date, 'week') ? ' current-week' : ''; }

function currentMonth(date) { return date.isSame(new Date, 'month') ? ' current-month' : ''; }

function currentYear(date) { return date.isSame(new Date, 'year') ? ' current-year' : ''; }

switch (this.scale) { case 'millisecond': return even(date.milliseconds).trim;

case 'second': return even(date.seconds).trim;

case 'minute': return even(date.minutes).trim;

case 'hour': var hours = date.hours; if (this.step == 4) { hours = hours + '-' + (hours + 4); }       return hours + 'h' + today(date) + even(date.hours);

case 'weekday': return date.format('dddd').toLowerCase + today(date) + currentWeek(date) + even(date.date);

case 'day': var day = date.date; var month = date.format('MMMM').toLowerCase; return 'day' + day + ' ' + month + currentMonth(date) + even(day - 1);

case 'month': return date.format('MMMM').toLowerCase + currentMonth(date) + even(date.month);

case 'year': var year = date.year; return 'year' + year + currentYear(date)+ even(year);

default: return ''; } };

module.exports = TimeStep;

/***/ }, /* 20 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45); var util = __webpack_require__(1);

/**  * @constructor Item * @param {Object} data            Object containing (optional) parameters type, *                                 start, end, content, group, className. * @param conversion *                                 Conversion functions from time to screen and vice versa * @param {Object} options         Configuration options *                                 // TODO: describe available options */ function Item (data, conversion, options) { this.id = null; this.parent = null; this.data = data; this.dom = null; this.conversion = conversion || {}; this.options = options || {};

this.selected = false; this.displayed = false; this.dirty = true;

this.top = null; this.left = null; this.width = null; this.height = null; }

Item.prototype.stack = true;

/**  * Select current item */ Item.prototype.select = function { this.selected = true; this.dirty = true; if (this.displayed) this.redraw; };

/**  * Unselect current item */ Item.prototype.unselect = function { this.selected = false; this.dirty = true; if (this.displayed) this.redraw; };

/**  * Set data for the item. Existing data will be updated. The id should not * be changed. When the item is displayed, it will be redrawn immediately. * @param {Object} data */ Item.prototype.setData = function(data) { var groupChanged = data.group != undefined && this.data.group != data.group; if (groupChanged) { this.parent.itemSet._moveToGroup(this, data.group); }

this.data = data; this.dirty = true; if (this.displayed) this.redraw; };

/**  * Set a parent for the item * @param {ItemSet | Group} parent */ Item.prototype.setParent = function(parent) { if (this.displayed) { this.hide; this.parent = parent; if (this.parent) { this.show; }   }    else { this.parent = parent; } };

/**  * Check whether this item is visible inside given range * @returns range with a timestamp for start and end * @returns {boolean} True if visible */ Item.prototype.isVisible = function(range) { // Should be implemented by Item implementations return false; };

/**  * Show the Item in the DOM (when not already visible) * @return {Boolean} changed */ Item.prototype.show = function { return false; };

/**  * Hide the Item from the DOM (when visible) * @return {Boolean} changed */ Item.prototype.hide = function { return false; };

/**  * Repaint the item */ Item.prototype.redraw = function { // should be implemented by the item };

/**  * Reposition the Item horizontally */ Item.prototype.repositionX = function { // should be implemented by the item };

/**  * Reposition the Item vertically */ Item.prototype.repositionY = function { // should be implemented by the item };

/**  * Repaint a delete button on the top right of the item when the item is selected * @param {HTMLElement} anchor * @protected */ Item.prototype._repaintDeleteButton = function (anchor) { if (this.selected && this.options.editable.remove && !this.dom.deleteButton) { // create and show button var me = this;

var deleteButton = document.createElement('div'); deleteButton.className = 'delete'; deleteButton.title = 'Delete this item';

Hammer(deleteButton, {       preventDefault: true      }).on('tap', function (event) {        event.preventDefault;        event.stopPropagation;        me.parent.removeFromDataSet(me);      });

anchor.appendChild(deleteButton); this.dom.deleteButton = deleteButton; }   else if (!this.selected && this.dom.deleteButton) { // remove button if (this.dom.deleteButton.parentNode) { this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton); }     this.dom.deleteButton = null; } };

/**  * Set HTML contents for the item * @param {Element} element  HTML element to fill with the contents * @private */ Item.prototype._updateContents = function (element) { var content; if (this.options.template) { var itemData = this.parent.itemSet.itemsData.get(this.id); // get a clone of the data from the dataset content = this.options.template(itemData); }   else { content = this.data.content; }

if(content !== this.content) { // only replace the content when changed if (content instanceof Element) { element.innerHTML = ''; element.appendChild(content); }     else if (content != undefined) { element.innerHTML = content; }     else { if (!(this.data.type == 'background' && this.data.content === undefined)) { throw new Error('Property "content" missing in item ' + this.id); }     }

this.content = content; } };

/**  * Set HTML contents for the item * @param {Element} element  HTML element to fill with the contents * @private */ Item.prototype._updateTitle = function (element) { if (this.data.title != null) { element.title = this.data.title || ''; }   else { element.removeAttribute('title'); } };

/**  * Process dataAttributes timeline option and set as data- attributes on dom.content * @param {Element} element  HTML element to which the attributes will be attached * @private */  Item.prototype._updateDataAttributes = function(element) { if (this.options.dataAttributes && this.options.dataAttributes.length > 0) { var attributes = [];

if (Array.isArray(this.options.dataAttributes)) { attributes = this.options.dataAttributes; }     else if (this.options.dataAttributes == 'all') { attributes = Object.keys(this.data); }     else { return; }

for (var i = 0; i < attributes.length; i++) { var name = attributes[i]; var value = this.data[name];

if (value != null) { element.setAttribute('data-' + name, value); }       else { element.removeAttribute('data-' + name); }     }    }  };

/**  * Update custom styles of the element * @param element * @private */ Item.prototype._updateStyle = function(element) { // remove old styles if (this.style) { util.removeCssText(element, this.style); this.style = null; }

// append new styles if (this.data.style) { util.addCssText(element, this.data.style); this.style = this.data.style; } };

module.exports = Item;

/***/ }, /* 21 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45); var Item = __webpack_require__(20); var BackgroundGroup = __webpack_require__(31); var RangeItem = __webpack_require__(24);

/**  * @constructor BackgroundItem * @extends Item * @param {Object} data            Object containing parameters start, end *                                 content, className. * @param conversion *                                 Conversion functions from time to screen and vice versa * @param {Object} [options]       Configuration options *                                 // TODO: describe options */ // TODO: implement support for the BackgroundItem just having a start, then being displayed as a sort of an annotation function BackgroundItem (data, conversion, options) { this.props = { content: { width: 0 }   };    this.overflow = false; // if contents can overflow (css styling), this flag is set to true

// validate data if (data) { if (data.start == undefined) { throw new Error('Property "start" missing in item ' + data.id); }     if (data.end == undefined) { throw new Error('Property "end" missing in item ' + data.id); }   }

Item.call(this, data, conversion, options);

this.emptyContent = false; }

BackgroundItem.prototype = new Item (null, null, null);

BackgroundItem.prototype.baseClassName = 'item background'; BackgroundItem.prototype.stack = false;

/**  * Check whether this item is visible inside given range * @returns range with a timestamp for start and end * @returns {boolean} True if visible */ BackgroundItem.prototype.isVisible = function(range) { // determine visibility return (this.data.start < range.end) && (this.data.end > range.start); };

/**  * Repaint the item */ BackgroundItem.prototype.redraw = function { var dom = this.dom; if (!dom) { // create DOM this.dom = {}; dom = this.dom;

// background box dom.box = document.createElement('div'); // className is updated in redraw

// contents box dom.content = document.createElement('div'); dom.content.className = 'content'; dom.box.appendChild(dom.content);

// Note: we do NOT attach this item as attribute to the DOM, //      such that background items cannot be selected //dom.box['timeline-item'] = this;

this.dirty = true; }

// append DOM to parent DOM if (!this.parent) { throw new Error('Cannot redraw item: no parent attached'); }   if (!dom.box.parentNode) { var background = this.parent.dom.background; if (!background) { throw new Error('Cannot redraw item: parent has no background container element'); }     background.appendChild(dom.box); }   this.displayed = true;

// Update DOM when item is marked dirty. An item is marked dirty when: // - the item is not yet rendered // - the item's data is changed // - the item is selected/deselected if (this.dirty) { this._updateContents(this.dom.content); this._updateTitle(this.dom.content); this._updateDataAttributes(this.dom.content); this._updateStyle(this.dom.box);

// update class var className = (this.data.className ? (' ' + this.data.className) : '') + (this.selected ? ' selected' : ''); dom.box.className = this.baseClassName + className;

// determine from css whether this box has overflow this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden';

// recalculate size this.props.content.width = this.dom.content.offsetWidth; this.height = 0; // set height zero, so this item will be ignored when stacking items

this.dirty = false; } };

/**  * Show the item in the DOM (when not already visible). The items DOM will * be created when needed. */ BackgroundItem.prototype.show = RangeItem.prototype.show;

/**  * Hide the item from the DOM (when visible) * @return {Boolean} changed */ BackgroundItem.prototype.hide = RangeItem.prototype.hide;

/**  * Reposition the item horizontally * @Override */ BackgroundItem.prototype.repositionX = RangeItem.prototype.repositionX;

/**  * Reposition the item vertically * @Override */ BackgroundItem.prototype.repositionY = function(margin) { var onTop = this.options.orientation === 'top'; this.dom.content.style.top = onTop ? '' : '0';   this.dom.content.style.bottom = onTop ? '0' : '';   var height;

// special positioning for subgroups if (this.data.subgroup !== undefined) { // TODO: instead of calculating the top position of the subgroups here for every BackgroundItem, calculate the top of the subgroup once in Itemset

var itemSubgroup = this.data.subgroup; var subgroups = this.parent.subgroups; var subgroupIndex = subgroups[itemSubgroup].index; // if the orientation is top, we need to take the difference in height into account. if (onTop == true) { // the first subgroup will have to account for the distance from the top to the first item. height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; height += subgroupIndex == 0 ? margin.axis - 0.5*margin.item.vertical : 0; var newTop = this.parent.top; for (var subgroup in subgroups) { if (subgroups.hasOwnProperty(subgroup)) { if (subgroups[subgroup].visible == true && subgroups[subgroup].index < subgroupIndex) { newTop += subgroups[subgroup].height + margin.item.vertical; }         }        }

// the others will have to be offset downwards with this same distance. newTop += subgroupIndex != 0 ? margin.axis - 0.5 * margin.item.vertical : 0; this.dom.box.style.top = newTop + 'px'; this.dom.box.style.bottom = ''; }     // and when the orientation is bottom: else { var newTop = this.parent.top; var totalHeight = 0; for (var subgroup in subgroups) { if (subgroups.hasOwnProperty(subgroup)) { if (subgroups[subgroup].visible == true) { var newHeight = subgroups[subgroup].height + margin.item.vertical; totalHeight += newHeight; if (subgroups[subgroup].index > subgroupIndex) { newTop += newHeight; }           }          }        }        height = this.parent.subgroups[itemSubgroup].height + margin.item.vertical; this.dom.box.style.top = (this.parent.height - totalHeight + newTop) + 'px'; this.dom.box.style.bottom = ''; }   }    // and in the case of no subgroups: else { // we want backgrounds with groups to only show in groups. if (this.parent instanceof BackgroundGroup) { // if the item is not in a group: height = Math.max(this.parent.height,           this.parent.itemSet.body.domProps.center.height,            this.parent.itemSet.body.domProps.centerContainer.height); this.dom.box.style.top = onTop ? '0' : '';       this.dom.box.style.bottom = onTop ? '' : '0';     }      else { height = this.parent.height; // same alignment for items when orientation is top or bottom this.dom.box.style.top = this.parent.top + 'px'; this.dom.box.style.bottom = ''; }   }    this.dom.box.style.height = height + 'px'; };

module.exports = BackgroundItem;

/***/ }, /* 22 */ /***/ function(module, exports, __webpack_require__) {

var Item = __webpack_require__(20); var util = __webpack_require__(1);

/**  * @constructor BoxItem * @extends Item * @param {Object} data            Object containing parameters start *                                 content, className. * @param conversion *                                 Conversion functions from time to screen and vice versa * @param {Object} [options]       Configuration options *                                 // TODO: describe available options */ function BoxItem (data, conversion, options) { this.props = { dot: { width: 0, height: 0 },     line: { width: 0, height: 0 }   };

// validate data if (data) { if (data.start == undefined) { throw new Error('Property "start" missing in item ' + data); }   }

Item.call(this, data, conversion, options); }

BoxItem.prototype = new Item (null, null, null);

/**  * Check whether this item is visible inside given range * @returns range with a timestamp for start and end * @returns {boolean} True if visible */ BoxItem.prototype.isVisible = function(range) { // determine visibility // TODO: account for the real width of the item. Right now we just add 1/4 to the window var interval = (range.end - range.start) / 4; return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); };

/**  * Repaint the item */ BoxItem.prototype.redraw = function { var dom = this.dom; if (!dom) { // create DOM this.dom = {}; dom = this.dom;

// create main box dom.box = document.createElement('DIV');

// contents box (inside the background box). used for making margins dom.content = document.createElement('DIV'); dom.content.className = 'content'; dom.box.appendChild(dom.content);

// line to axis dom.line = document.createElement('DIV'); dom.line.className = 'line';

// dot on axis dom.dot = document.createElement('DIV'); dom.dot.className = 'dot';

// attach this item as attribute dom.box['timeline-item'] = this;

this.dirty = true; }

// append DOM to parent DOM if (!this.parent) { throw new Error('Cannot redraw item: no parent attached'); }   if (!dom.box.parentNode) { var foreground = this.parent.dom.foreground; if (!foreground) throw new Error('Cannot redraw item: parent has no foreground container element'); foreground.appendChild(dom.box); }   if (!dom.line.parentNode) { var background = this.parent.dom.background; if (!background) throw new Error('Cannot redraw item: parent has no background container element'); background.appendChild(dom.line); }   if (!dom.dot.parentNode) { var axis = this.parent.dom.axis; if (!background) throw new Error('Cannot redraw item: parent has no axis container element'); axis.appendChild(dom.dot); }   this.displayed = true;

// Update DOM when item is marked dirty. An item is marked dirty when: // - the item is not yet rendered // - the item's data is changed // - the item is selected/deselected if (this.dirty) { this._updateContents(this.dom.content); this._updateTitle(this.dom.box); this._updateDataAttributes(this.dom.box); this._updateStyle(this.dom.box);

// update class var className = (this.data.className? ' ' + this.data.className : '') + (this.selected ? ' selected' : ''); dom.box.className = 'item box' + className; dom.line.className = 'item line' + className; dom.dot.className = 'item dot' + className;

// recalculate size this.props.dot.height = dom.dot.offsetHeight; this.props.dot.width = dom.dot.offsetWidth; this.props.line.width = dom.line.offsetWidth; this.width = dom.box.offsetWidth; this.height = dom.box.offsetHeight;

this.dirty = false; }

this._repaintDeleteButton(dom.box); };

/**  * Show the item in the DOM (when not already displayed). The items DOM will * be created when needed. */ BoxItem.prototype.show = function { if (!this.displayed) { this.redraw; } };

/**  * Hide the item from the DOM (when visible) */ BoxItem.prototype.hide = function { if (this.displayed) { var dom = this.dom;

if (dom.box.parentNode)  dom.box.parentNode.removeChild(dom.box); if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line); if (dom.dot.parentNode)  dom.dot.parentNode.removeChild(dom.dot);

this.displayed = false; } };

/**  * Reposition the item horizontally * @Override */ BoxItem.prototype.repositionX = function { var start = this.conversion.toScreen(this.data.start); var align = this.options.align; var left;

// calculate left position of the box if (align == 'right') { this.left = start - this.width; }   else if (align == 'left') { this.left = start; }   else { // default or 'center' this.left = start - this.width / 2; }

// reposition box this.dom.box.style.left = this.left + 'px';

// reposition line this.dom.line.style.left = (start - this.props.line.width / 2) + 'px';

// reposition dot this.dom.dot.style.left = (start - this.props.dot.width / 2) + 'px'; };

/**  * Reposition the item vertically * @Override */ BoxItem.prototype.repositionY = function { var orientation = this.options.orientation; var box = this.dom.box; var line = this.dom.line; var dot = this.dom.dot;

if (orientation == 'top') { box.style.top    = (this.top || 0) + 'px';

line.style.top   = '0'; line.style.height = (this.parent.top + this.top + 1) + 'px'; line.style.bottom = ''; }   else { // orientation 'bottom' var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top;

box.style.top    = (this.parent.height - this.top - this.height || 0) + 'px'; line.style.top   = (itemSetHeight - lineHeight) + 'px'; line.style.bottom = '0'; }

dot.style.top = (-this.props.dot.height / 2) + 'px'; };

module.exports = BoxItem;

/***/ }, /* 23 */ /***/ function(module, exports, __webpack_require__) {

var Item = __webpack_require__(20);

/**  * @constructor PointItem * @extends Item * @param {Object} data            Object containing parameters start *                                 content, className. * @param conversion *                                 Conversion functions from time to screen and vice versa * @param {Object} [options]       Configuration options *                                 // TODO: describe available options */ function PointItem (data, conversion, options) { this.props = { dot: { top: 0, width: 0, height: 0 },     content: { height: 0, marginLeft: 0 }   };

// validate data if (data) { if (data.start == undefined) { throw new Error('Property "start" missing in item ' + data); }   }

Item.call(this, data, conversion, options); }

PointItem.prototype = new Item (null, null, null);

/**  * Check whether this item is visible inside given range * @returns range with a timestamp for start and end * @returns {boolean} True if visible */ PointItem.prototype.isVisible = function(range) { // determine visibility // TODO: account for the real width of the item. Right now we just add 1/4 to the window var interval = (range.end - range.start) / 4; return (this.data.start > range.start - interval) && (this.data.start < range.end + interval); };

/**  * Repaint the item */ PointItem.prototype.redraw = function { var dom = this.dom; if (!dom) { // create DOM this.dom = {}; dom = this.dom;

// background box dom.point = document.createElement('div'); // className is updated in redraw

// contents box, right from the dot dom.content = document.createElement('div'); dom.content.className = 'content'; dom.point.appendChild(dom.content);

// dot at start dom.dot = document.createElement('div'); dom.point.appendChild(dom.dot);

// attach this item as attribute dom.point['timeline-item'] = this;

this.dirty = true; }

// append DOM to parent DOM if (!this.parent) { throw new Error('Cannot redraw item: no parent attached'); }   if (!dom.point.parentNode) { var foreground = this.parent.dom.foreground; if (!foreground) { throw new Error('Cannot redraw item: parent has no foreground container element'); }     foreground.appendChild(dom.point); }   this.displayed = true;

// Update DOM when item is marked dirty. An item is marked dirty when: // - the item is not yet rendered // - the item's data is changed // - the item is selected/deselected if (this.dirty) { this._updateContents(this.dom.content); this._updateTitle(this.dom.point); this._updateDataAttributes(this.dom.point); this._updateStyle(this.dom.point);

// update class var className = (this.data.className? ' ' + this.data.className : '') + (this.selected ? ' selected' : ''); dom.point.className = 'item point' + className; dom.dot.className = 'item dot' + className;

// recalculate size this.width = dom.point.offsetWidth; this.height = dom.point.offsetHeight; this.props.dot.width = dom.dot.offsetWidth; this.props.dot.height = dom.dot.offsetHeight; this.props.content.height = dom.content.offsetHeight;

// resize contents dom.content.style.marginLeft = 2 * this.props.dot.width + 'px'; //dom.content.style.marginRight = ... + 'px'; // TODO: margin right

dom.dot.style.top = ((this.height - this.props.dot.height) / 2) + 'px'; dom.dot.style.left = (this.props.dot.width / 2) + 'px';

this.dirty = false; }

this._repaintDeleteButton(dom.point); };

/**  * Show the item in the DOM (when not already visible). The items DOM will * be created when needed. */ PointItem.prototype.show = function { if (!this.displayed) { this.redraw; } };

/**  * Hide the item from the DOM (when visible) */ PointItem.prototype.hide = function { if (this.displayed) { if (this.dom.point.parentNode) { this.dom.point.parentNode.removeChild(this.dom.point); }

this.displayed = false; } };

/**  * Reposition the item horizontally * @Override */ PointItem.prototype.repositionX = function { var start = this.conversion.toScreen(this.data.start);

this.left = start - this.props.dot.width;

// reposition point this.dom.point.style.left = this.left + 'px'; };

/**  * Reposition the item vertically * @Override */ PointItem.prototype.repositionY = function { var orientation = this.options.orientation, point = this.dom.point;

if (orientation == 'top') { point.style.top = this.top + 'px'; }   else { point.style.top = (this.parent.height - this.top - this.height) + 'px'; } };

module.exports = PointItem;

/***/ }, /* 24 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45); var Item = __webpack_require__(20);

/**  * @constructor RangeItem * @extends Item * @param {Object} data            Object containing parameters start, end *                                 content, className. * @param conversion *                                 Conversion functions from time to screen and vice versa * @param {Object} [options]       Configuration options *                                 // TODO: describe options */ function RangeItem (data, conversion, options) { this.props = { content: { width: 0 }   };    this.overflow = false; // if contents can overflow (css styling), this flag is set to true

// validate data if (data) { if (data.start == undefined) { throw new Error('Property "start" missing in item ' + data.id); }     if (data.end == undefined) { throw new Error('Property "end" missing in item ' + data.id); }   }

Item.call(this, data, conversion, options); }

RangeItem.prototype = new Item (null, null, null);

RangeItem.prototype.baseClassName = 'item range';

/**  * Check whether this item is visible inside given range * @returns range with a timestamp for start and end * @returns {boolean} True if visible */ RangeItem.prototype.isVisible = function(range) { // determine visibility return (this.data.start < range.end) && (this.data.end > range.start); };

/**  * Repaint the item */ RangeItem.prototype.redraw = function { var dom = this.dom; if (!dom) { // create DOM this.dom = {}; dom = this.dom;

// background box dom.box = document.createElement('div'); // className is updated in redraw

// contents box dom.content = document.createElement('div'); dom.content.className = 'content'; dom.box.appendChild(dom.content);

// attach this item as attribute dom.box['timeline-item'] = this;

this.dirty = true; }

// append DOM to parent DOM if (!this.parent) { throw new Error('Cannot redraw item: no parent attached'); }   if (!dom.box.parentNode) { var foreground = this.parent.dom.foreground; if (!foreground) { throw new Error('Cannot redraw item: parent has no foreground container element'); }     foreground.appendChild(dom.box); }   this.displayed = true;

// Update DOM when item is marked dirty. An item is marked dirty when: // - the item is not yet rendered // - the item's data is changed // - the item is selected/deselected if (this.dirty) { this._updateContents(this.dom.content); this._updateTitle(this.dom.box); this._updateDataAttributes(this.dom.box); this._updateStyle(this.dom.box);

// update class var className = (this.data.className ? (' ' + this.data.className) : '') + (this.selected ? ' selected' : ''); dom.box.className = this.baseClassName + className;

// determine from css whether this box has overflow this.overflow = window.getComputedStyle(dom.content).overflow !== 'hidden';

// recalculate size // turn off max-width to be able to calculate the real width // this causes an extra browser repaint/reflow, but so be it     this.dom.content.style.maxWidth = 'none'; this.props.content.width = this.dom.content.offsetWidth; this.height = this.dom.box.offsetHeight; this.dom.content.style.maxWidth = '';

this.dirty = false; }

this._repaintDeleteButton(dom.box); this._repaintDragLeft; this._repaintDragRight; };

/**  * Show the item in the DOM (when not already visible). The items DOM will * be created when needed. */ RangeItem.prototype.show = function { if (!this.displayed) { this.redraw; } };

/**  * Hide the item from the DOM (when visible) * @return {Boolean} changed */ RangeItem.prototype.hide = function { if (this.displayed) { var box = this.dom.box;

if (box.parentNode) { box.parentNode.removeChild(box); }

this.displayed = false; } };

/**  * Reposition the item horizontally * @param {boolean} [limitSize=true] If true (default), the width of the range *                                  item will be limited, as the browser cannot *                                  display very wide divs. This means though *                                  that the applied left and width may *                                  not correspond to the ranges start and end * @Override */ RangeItem.prototype.repositionX = function(limitSize) { var parentWidth = this.parent.width; var start = this.conversion.toScreen(this.data.start); var end = this.conversion.toScreen(this.data.end); var contentLeft; var contentWidth;

// limit the width of the range, as browsers cannot draw very wide divs if (limitSize === undefined || limitSize === true) { if (start < -parentWidth) { start = -parentWidth; }     if (end > 2 * parentWidth) { end = 2 * parentWidth; }   }    var boxWidth = Math.max(end - start, 1);

if (this.overflow) { this.left = start; this.width = boxWidth + this.props.content.width; contentWidth = this.props.content.width;

// Note: The calculation of width is an optimistic calculation, giving //      a width which will not change when moving the Timeline //      So no re-stacking needed, which is nicer for the eye; }   else { this.left = start; this.width = boxWidth; contentWidth = Math.min(end - start - 2 * this.options.padding, this.props.content.width); }

this.dom.box.style.left = this.left + 'px'; this.dom.box.style.width = boxWidth + 'px';

switch (this.options.align) { case 'left': this.dom.content.style.left = '0'; break;

case 'right': this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding), 0) + 'px'; break;

case 'center': this.dom.content.style.left = Math.max((boxWidth - contentWidth - 2 * this.options.padding) / 2, 0) + 'px'; break;

default: // 'auto' // when range exceeds left of the window, position the contents at the left of the visible area if (this.overflow) { if (end > 0) { contentLeft = Math.max(-start, 0); }         else { contentLeft = -contentWidth; // ensure it's not visible anymore }       }        else { if (start < 0) { contentLeft = Math.min(-start,               (end - start - contentWidth - 2 * this.options.padding)); // TODO: remove the need for options.padding. it's terrible. }         else { contentLeft = 0; }       }        this.dom.content.style.left = contentLeft + 'px'; } };

/**  * Reposition the item vertically * @Override */ RangeItem.prototype.repositionY = function { var orientation = this.options.orientation, box = this.dom.box;

if (orientation == 'top') { box.style.top = this.top + 'px'; }   else { box.style.top = (this.parent.height - this.top - this.height) + 'px'; } };

/**  * Repaint a drag area on the left side of the range when the range is selected * @protected */ RangeItem.prototype._repaintDragLeft = function  { if (this.selected && this.options.editable.updateTime && !this.dom.dragLeft) { // create and show drag area var dragLeft = document.createElement('div'); dragLeft.className = 'drag-left'; dragLeft.dragLeftItem = this;

// TODO: this should be redundant? Hammer(dragLeft, {       preventDefault: true      }).on('drag', function  {            //console.log('drag left')          });

this.dom.box.appendChild(dragLeft); this.dom.dragLeft = dragLeft; }   else if (!this.selected && this.dom.dragLeft) { // delete drag area if (this.dom.dragLeft.parentNode) { this.dom.dragLeft.parentNode.removeChild(this.dom.dragLeft); }     this.dom.dragLeft = null; } };

/**  * Repaint a drag area on the right side of the range when the range is selected * @protected */ RangeItem.prototype._repaintDragRight = function  { if (this.selected && this.options.editable.updateTime && !this.dom.dragRight) { // create and show drag area var dragRight = document.createElement('div'); dragRight.className = 'drag-right'; dragRight.dragRightItem = this;

// TODO: this should be redundant? Hammer(dragRight, {       preventDefault: true      }).on('drag', function  {        //console.log('drag right')      });

this.dom.box.appendChild(dragRight); this.dom.dragRight = dragRight; }   else if (!this.selected && this.dom.dragRight) { // delete drag area if (this.dom.dragRight.parentNode) { this.dom.dragRight.parentNode.removeChild(this.dom.dragRight); }     this.dom.dragRight = null; } };

module.exports = RangeItem;

/***/ }, /* 25 */ /***/ function(module, exports, __webpack_require__) {

/**  * Prototype for visual components * @param 🇩🇴 [body] * @param {Object} [options] */ function Component (body, options) { this.options = null; this.props = null; }

/**  * Set options for the component. The new options will be merged into the * current options. * @param {Object} options */ Component.prototype.setOptions = function(options) { if (options) { util.extend(this.options, options); } };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ Component.prototype.redraw = function { // should be implemented by the component return false; };

/**  * Destroy the component. Cleanup DOM and event listeners */ Component.prototype.destroy = function { // should be implemented by the component };

/**  * Test whether the component is resized since the last time _isResized was * called. * @return {Boolean} Returns true if the component is resized * @protected */ Component.prototype._isResized = function { var resized = (this.props._previousWidth !== this.props.width ||       this.props._previousHeight !== this.props.height);

this.props._previousWidth = this.props.width; this.props._previousHeight = this.props.height;

return resized; };

module.exports = Component;

/***/ }, /* 26 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Component = __webpack_require__(25); var moment = __webpack_require__(44); var locales = __webpack_require__(48);

/**  * A current time bar * @param body * @param {Object} [options]       Available parameters: *                                 {Boolean} [showCurrentTime] * @constructor CurrentTime * @extends Component */ function CurrentTime (body, options) { this.body = body;

// default options this.defaultOptions = { showCurrentTime: true,

locales: locales, locale: 'en' };   this.options = util.extend({}, this.defaultOptions); this.offset = 0;

this._create;

this.setOptions(options); }

CurrentTime.prototype = new Component;

/**  * Create the HTML DOM for the current time bar * @private */ CurrentTime.prototype._create = function { var bar = document.createElement('div'); bar.className = 'currenttime'; bar.style.position = 'absolute'; bar.style.top = '0px'; bar.style.height = '100%';

this.bar = bar; };

/**  * Destroy the CurrentTime bar */ CurrentTime.prototype.destroy = function  { this.options.showCurrentTime = false; this.redraw; // will remove the bar from the DOM and stop refreshing

this.body = null; };

/**  * Set options for the component. Options will be merged in current options. * @param {Object} options Available parameters: *                         {boolean} [showCurrentTime] */ CurrentTime.prototype.setOptions = function(options) { if (options) { // copy all options that we know util.selectiveExtend(['showCurrentTime', 'locale', 'locales'], this.options, options); } };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ CurrentTime.prototype.redraw = function { if (this.options.showCurrentTime) { var parent = this.body.dom.backgroundVertical; if (this.bar.parentNode != parent) { // attach to the dom if (this.bar.parentNode) { this.bar.parentNode.removeChild(this.bar); }       parent.appendChild(this.bar);

this.start; }

var now = new Date(new Date.valueOf + this.offset); var x = this.body.util.toScreen(now);

var locale = this.options.locales[this.options.locale]; var title = locale.current + ' ' + locale.time + ': ' + moment(now).format('dddd, MMMM Do YYYY, H:mm:ss'); title = title.charAt(0).toUpperCase + title.substring(1);

this.bar.style.left = x + 'px'; this.bar.title = title; }   else { // remove the line from the DOM if (this.bar.parentNode) { this.bar.parentNode.removeChild(this.bar); }     this.stop; }

return false; };

/**  * Start auto refreshing the current time bar */ CurrentTime.prototype.start = function { var me = this;

function update { me.stop;

// determine interval to refresh var scale = me.body.range.conversion(me.body.domProps.center.width).scale; var interval = 1 / scale / 10; if (interval < 30)  interval = 30; if (interval > 1000) interval = 1000;

me.redraw;

// start a timer to adjust for the new time me.currentTimeTimer = setTimeout(update, interval); }

update; };

/**  * Stop auto refreshing the current time bar */ CurrentTime.prototype.stop = function { if (this.currentTimeTimer !== undefined) { clearTimeout(this.currentTimeTimer); delete this.currentTimeTimer; } };

/**  * Set a current time. This can be used for example to ensure that a client's  * time is synchronized with a shared server time. * @param {Date | String | Number} time    A Date, unix timestamp, or   *                                          ISO date string. */ CurrentTime.prototype.setCurrentTime = function(time) { var t = util.convert(time, 'Date').valueOf; var now = new Date.valueOf; this.offset = t - now; this.redraw; };

/**  * Get the current time. * @return {Date} Returns the current time. */ CurrentTime.prototype.getCurrentTime = function { return new Date(new Date.valueOf + this.offset); };

module.exports = CurrentTime;

/***/ }, /* 27 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45); var util = __webpack_require__(1); var Component = __webpack_require__(25); var moment = __webpack_require__(44); var locales = __webpack_require__(48);

/**  * A custom time bar * @param body * @param {Object} [options]       Available parameters: *                                 {Boolean} [showCustomTime] * @constructor CustomTime * @extends Component */

function CustomTime (body, options) { this.body = body;

// default options this.defaultOptions = { showCustomTime: false, locales: locales, locale: 'en', id: 0 };   this.options = util.extend({}, this.defaultOptions);

if (options && options.time) { this.customTime = options.time; } else { this.customTime = new Date; }   this.eventParams = {}; // stores state parameters while dragging the bar

// create the DOM this._create;

this.setOptions(options); }

CustomTime.prototype = new Component;

/**  * Set options for the component. Options will be merged in current options. * @param {Object} options Available parameters: *                         {boolean} [showCustomTime] */ CustomTime.prototype.setOptions = function(options) { if (options) { // copy all options that we know util.selectiveExtend(['showCustomTime', 'locale', 'locales', 'id'], this.options, options);

// Triggered by addCustomTimeBar, redraw to add new bar if (this.options.id) { this.redraw; }   }  };

/**  * Create the DOM for the custom time * @private */ CustomTime.prototype._create = function { var bar = document.createElement('div'); bar.className = 'customtime'; bar.style.position = 'absolute'; bar.style.top = '0px'; bar.style.height = '100%'; this.bar = bar;

var drag = document.createElement('div'); drag.style.position = 'relative'; drag.style.top = '0px'; drag.style.left = '-10px'; drag.style.height = '100%'; drag.style.width = '20px'; bar.appendChild(drag);

// attach event listeners this.hammer = Hammer(bar, {     prevent_default: true    }); this.hammer.on('dragstart', this._onDragStart.bind(this)); this.hammer.on('drag',     this._onDrag.bind(this)); this.hammer.on('dragend',  this._onDragEnd.bind(this)); };

/**  * Destroy the CustomTime bar */ CustomTime.prototype.destroy = function  { this.options.showCustomTime = false; this.redraw; // will remove the bar from the DOM

this.hammer.enable(false); this.hammer = null;

this.body = null; };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ CustomTime.prototype.redraw = function  { if (this.options.showCustomTime) { var parent = this.body.dom.backgroundVertical; if (this.bar.parentNode != parent) { // attach to the dom if (this.bar.parentNode) { this.bar.parentNode.removeChild(this.bar); }       parent.appendChild(this.bar); }

var x = this.body.util.toScreen(this.customTime);

var locale = this.options.locales[this.options.locale]; var title = locale.time + ': ' + moment(this.customTime).format('dddd, MMMM Do YYYY, H:mm:ss'); title = title.charAt(0).toUpperCase + title.substring(1);

this.bar.style.left = x + 'px'; this.bar.title = title; }   else { // remove the line from the DOM if (this.bar.parentNode) { this.bar.parentNode.removeChild(this.bar); }   }

return false; };

/**  * Set custom time. * @param {Date | number | string} time */ CustomTime.prototype.setCustomTime = function(time) { this.customTime = util.convert(time, 'Date'); this.redraw; };

/**  * Retrieve the current custom time. * @return {Date} customTime */ CustomTime.prototype.getCustomTime = function { return new Date(this.customTime.valueOf); };

/**  * Start moving horizontally * @param {Event} event * @private */ CustomTime.prototype._onDragStart = function(event) { this.eventParams.dragging = true; this.eventParams.customTime = this.customTime;

event.stopPropagation; event.preventDefault; };

/**  * Perform moving operating. * @param {Event} event * @private */ CustomTime.prototype._onDrag = function (event) { if (!this.eventParams.dragging) return;

var deltaX = event.gesture.deltaX, x = this.body.util.toScreen(this.eventParams.customTime) + deltaX, time = this.body.util.toTime(x);

this.setCustomTime(time);

// fire a timechange event this.body.emitter.emit('timechange', {     id: this.options.id,      time: new Date(this.customTime.valueOf)    });

event.stopPropagation; event.preventDefault; };

/**  * Stop moving operating. * @param {event} event * @private */ CustomTime.prototype._onDragEnd = function (event) { if (!this.eventParams.dragging) return;

// fire a timechanged event this.body.emitter.emit('timechanged', {     id: this.options.id,      time: new Date(this.customTime.valueOf)    });

event.stopPropagation; event.preventDefault; };

module.exports = CustomTime;

/***/ }, /* 28 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var DOMutil = __webpack_require__(2); var Component = __webpack_require__(25); var DataStep = __webpack_require__(16);

/**  * A horizontal time axis * @param {Object} [options]       See DataAxis.setOptions for the available *                                 options. * @constructor DataAxis * @extends Component * @param body */ function DataAxis (body, options, svg, linegraphOptions) { this.id = util.randomUUID; this.body = body;

this.defaultOptions = { orientation: 'left', // supported: 'left', 'right' showMinorLabels: true, showMajorLabels: true, icons: true, majorLinesOffset: 7, minorLinesOffset: 4, labelOffsetX: 10, labelOffsetY: 2, iconWidth: 20, width: '40px', visible: true, alignZeros: true, customRange: { left: {min:undefined, max:undefined}, right: {min:undefined, max:undefined} },     title: { left: {text:undefined}, right: {text:undefined} },     format: { left: {decimals: undefined}, right: {decimals: undefined} }   };

this.linegraphOptions = linegraphOptions; this.linegraphSVG = svg; this.props = {}; this.DOMelements = { // dynamic elements lines: {}, labels: {}, title: {} };

this.dom = {};

this.range = {start:0, end:0};

this.options = util.extend({}, this.defaultOptions); this.conversionFactor = 1;

this.setOptions(options); this.width = Number(('' + this.options.width).replace("px","")); this.minWidth = this.width; this.height = this.linegraphSVG.offsetHeight; this.hidden = false;

this.stepPixels = 25; this.stepPixelsForced = 25; this.zeroCrossing = -1;

this.lineOffset = 0; this.master = true; this.svgElements = {}; this.iconsRemoved = false;

this.groups = {}; this.amountOfGroups = 0;

// create the HTML DOM this._create;

var me = this; this.body.emitter.on("verticalDrag", function {     me.dom.lineContainer.style.top = me.body.domProps.scrollTop + 'px';    }); }

DataAxis.prototype = new Component;

DataAxis.prototype.addGroup = function(label, graphOptions) { if (!this.groups.hasOwnProperty(label)) { this.groups[label] = graphOptions; }   this.amountOfGroups += 1; };

DataAxis.prototype.updateGroup = function(label, graphOptions) { this.groups[label] = graphOptions; };

DataAxis.prototype.removeGroup = function(label) { if (this.groups.hasOwnProperty(label)) { delete this.groups[label]; this.amountOfGroups -= 1; } };

DataAxis.prototype.setOptions = function (options) { if (options) { var redraw = false; if (this.options.orientation != options.orientation && options.orientation !== undefined) { redraw = true; }     var fields = [ 'orientation', 'showMinorLabels', 'showMajorLabels', 'icons', 'majorLinesOffset', 'minorLinesOffset', 'labelOffsetX', 'labelOffsetY', 'iconWidth', 'width', 'visible', 'customRange', 'title', 'format', 'alignZeros' ];     util.selectiveExtend(fields, this.options, options);

this.minWidth = Number(('' + this.options.width).replace("px",""));

if (redraw == true && this.dom.frame) { this.hide; this.show; }   }  };

/**  * Create the HTML DOM for the DataAxis */ DataAxis.prototype._create = function { this.dom.frame = document.createElement('div'); this.dom.frame.style.width = this.options.width; this.dom.frame.style.height = this.height;

this.dom.lineContainer = document.createElement('div'); this.dom.lineContainer.style.width = '100%'; this.dom.lineContainer.style.height = this.height; this.dom.lineContainer.style.position = 'relative';

// create svg element for graph drawing. this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); this.svg.style.position = "absolute"; this.svg.style.top = '0px'; this.svg.style.height = '100%'; this.svg.style.width = '100%'; this.svg.style.display = "block"; this.dom.frame.appendChild(this.svg); };

DataAxis.prototype._redrawGroupIcons = function { DOMutil.prepareElements(this.svgElements);

var x;   var iconWidth = this.options.iconWidth; var iconHeight = 15; var iconOffset = 4; var y = iconOffset + 0.5 * iconHeight;

if (this.options.orientation == 'left') { x = iconOffset; }   else { x = this.width - iconWidth - iconOffset; }

for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); y += iconHeight + iconOffset; }     }    }

DOMutil.cleanupElements(this.svgElements); this.iconsRemoved = false; };

DataAxis.prototype._cleanupIcons = function { if (this.iconsRemoved == false) { DOMutil.prepareElements(this.svgElements); DOMutil.cleanupElements(this.svgElements); this.iconsRemoved = true; } }

/**  * Create the HTML DOM for the DataAxis */ DataAxis.prototype.show = function { this.hidden = false; if (!this.dom.frame.parentNode) { if (this.options.orientation == 'left') { this.body.dom.left.appendChild(this.dom.frame); }     else { this.body.dom.right.appendChild(this.dom.frame); }   }

if (!this.dom.lineContainer.parentNode) { this.body.dom.backgroundHorizontal.appendChild(this.dom.lineContainer); } };

/**  * Create the HTML DOM for the DataAxis */ DataAxis.prototype.hide = function { this.hidden = true; if (this.dom.frame.parentNode) { this.dom.frame.parentNode.removeChild(this.dom.frame); }

if (this.dom.lineContainer.parentNode) { this.dom.lineContainer.parentNode.removeChild(this.dom.lineContainer); } };

/**  * Set a range (start and end) * @param end * @param start * @param end */ DataAxis.prototype.setRange = function (start, end) { if (this.master == false && this.options.alignZeros == true && this.zeroCrossing != -1) { if (start > 0) { start = 0; }   }    this.range.start = start; this.range.end = end; };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ DataAxis.prototype.redraw = function  { var resized = false; var activeGroups = 0; // Make sure the line container adheres to the vertical scrolling. this.dom.lineContainer.style.top = this.body.domProps.scrollTop + 'px';

for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { activeGroups++; }     }    }    if (this.amountOfGroups == 0 || activeGroups == 0) { this.hide; }   else { this.show; this.height = Number(this.linegraphSVG.style.height.replace("px",""));

// svg offsetheight did not work in firefox and explorer... this.dom.lineContainer.style.height = this.height + 'px'; this.width = this.options.visible == true ? Number(('' + this.options.width).replace("px","")) : 0;

var props = this.props; var frame = this.dom.frame;

// update classname frame.className = 'dataaxis';

// calculate character width and height this._calculateCharSize;

var orientation = this.options.orientation; var showMinorLabels = this.options.showMinorLabels; var showMajorLabels = this.options.showMajorLabels;

// determine the width and height of the elements for the axis props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0;

props.minorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.minorLinesOffset; props.minorLineHeight = 1; props.majorLineWidth = this.body.dom.backgroundHorizontal.offsetWidth - this.lineOffset - this.width + 2 * this.options.majorLinesOffset; props.majorLineHeight = 1;

// take frame offline while updating (is almost twice as fast) if (orientation == 'left') { frame.style.top = '0'; frame.style.left = '0'; frame.style.bottom = ''; frame.style.width = this.width + 'px'; frame.style.height = this.height + "px"; this.props.width = this.body.domProps.left.width; this.props.height = this.body.domProps.left.height; }     else { // right frame.style.top = ''; frame.style.bottom = '0'; frame.style.left = '0'; frame.style.width = this.width + 'px'; frame.style.height = this.height + "px"; this.props.width = this.body.domProps.right.width; this.props.height = this.body.domProps.right.height; }

resized = this._redrawLabels; resized = this._isResized || resized;

if (this.options.icons == true) { this._redrawGroupIcons; }     else { this._cleanupIcons; }

this._redrawTitle(orientation); }   return resized; };

/**  * Repaint major and minor text labels and vertical grid lines * @private */ DataAxis.prototype._redrawLabels = function  { var resized = false; DOMutil.prepareElements(this.DOMelements.lines); DOMutil.prepareElements(this.DOMelements.labels);

var orientation = this.options['orientation'];

// calculate range and step (step such that we have space for 7 characters per label) var minimumStep = this.master ? this.props.majorCharHeight || 10 : this.stepPixelsForced;

var step = new DataStep(     this.range.start,      this.range.end,      minimumStep,      this.dom.frame.offsetHeight,      this.options.customRange[this.options.orientation],      this.master == false && this.options.alignZeros       // doess the step have to align zeros? only if not master and the options is on    );

this.step = step; // get the distance in pixels for a step // dead space is space that is "left over" after a step var stepPixels = (this.dom.frame.offsetHeight - (step.deadSpace * (this.dom.frame.offsetHeight / step.marginRange))) / (((step.marginRange - step.deadSpace) / step.step));

this.stepPixels = stepPixels;

var amountOfSteps = this.height / stepPixels; var stepDifference = 0;

// the slave axis needs to use the same horizontal lines as the master axis. if (this.master == false) { stepPixels = this.stepPixelsForced; stepDifference = Math.round((this.dom.frame.offsetHeight / stepPixels) - amountOfSteps); for (var i = 0; i < 0.5 * stepDifference; i++) { step.previous; }     amountOfSteps = this.height / stepPixels;

if (this.zeroCrossing != -1 && this.options.alignZeros == true) { var zeroStepDifference = (step.marginEnd / step.step) - this.zeroCrossing; if (zeroStepDifference > 0) { for (var i = 0; i < zeroStepDifference; i++) {step.next;} }       else if (zeroStepDifference < 0) { for (var i = 0; i < -zeroStepDifference; i++) {step.previous;} }     }    }    else { amountOfSteps += 0.25; }

this.valueAtZero = step.marginEnd; var marginStartPos = 0;

// do not draw the first label var max = 1;

// Get the number of decimal places var decimals; if(this.options.format[orientation] !== undefined) { decimals = this.options.format[orientation].decimals; }

this.maxLabelSize = 0; var y = 0; while (max < Math.round(amountOfSteps)) { step.next; y = Math.round(max * stepPixels); marginStartPos = max * stepPixels; var isMajor = step.isMajor;

if (this.options['showMinorLabels'] && isMajor == false || this.master == false && this.options['showMinorLabels'] == true) { this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis minor', this.props.minorCharHeight); }

if (isMajor && this.options['showMajorLabels'] && this.master == true ||         this.options['showMinorLabels'] == false && this.master == false && isMajor == true) { if (y >= 0) { this._redrawLabel(y - 2, step.getCurrent(decimals), orientation, 'yAxis major', this.props.majorCharHeight); }       this._redrawLine(y, orientation, 'grid horizontal major', this.options.majorLinesOffset, this.props.majorLineWidth); }     else { this._redrawLine(y, orientation, 'grid horizontal minor', this.options.minorLinesOffset, this.props.minorLineWidth); }

if (this.master == true && step.current == 0) { this.zeroCrossing = max; }

max++; }

if (this.master == false) { this.conversionFactor = y / (this.valueAtZero - step.current); }   else { this.conversionFactor = this.dom.frame.offsetHeight / step.marginRange; }

// Note that title is rotated, so we're using the height, not width! var titleWidth = 0; if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { titleWidth = this.props.titleCharHeight; }   var offset = this.options.icons == true ? Math.max(this.options.iconWidth, titleWidth) + this.options.labelOffsetX + 15 : titleWidth + this.options.labelOffsetX + 15;

// this will resize the yAxis to accommodate the labels. if (this.maxLabelSize > (this.width - offset) && this.options.visible == true) { this.width = this.maxLabelSize + offset; this.options.width = this.width + "px"; DOMutil.cleanupElements(this.DOMelements.lines); DOMutil.cleanupElements(this.DOMelements.labels); this.redraw; resized = true; }   // this will resize the yAxis if it is too big for the labels. else if (this.maxLabelSize < (this.width - offset) && this.options.visible == true && this.width > this.minWidth) { this.width = Math.max(this.minWidth,this.maxLabelSize + offset); this.options.width = this.width + "px"; DOMutil.cleanupElements(this.DOMelements.lines); DOMutil.cleanupElements(this.DOMelements.labels); this.redraw; resized = true; }   else { DOMutil.cleanupElements(this.DOMelements.lines); DOMutil.cleanupElements(this.DOMelements.labels); resized = false; }

return resized; };

DataAxis.prototype.convertValue = function (value) { var invertedValue = this.valueAtZero - value; var convertedValue = invertedValue * this.conversionFactor; return convertedValue; };

DataAxis.prototype.screenToValue = function (x) { return this.valueAtZero - (x / this.conversionFactor); };

/**  * Create a label for the axis at position x   * @private * @param y  * @param text * @param orientation * @param className * @param characterHeight */ DataAxis.prototype._redrawLabel = function (y, text, orientation, className, characterHeight) { // reuse redundant label var label = DOMutil.getDOMElement('div',this.DOMelements.labels, this.dom.frame); //this.dom.redundant.labels.shift; label.className = className; label.innerHTML = text; if (orientation == 'left') { label.style.left = '-' + this.options.labelOffsetX + 'px'; label.style.textAlign = "right"; }   else { label.style.right = '-' + this.options.labelOffsetX + 'px'; label.style.textAlign = "left"; }

label.style.top = y - 0.5 * characterHeight + this.options.labelOffsetY + 'px';

text += '';

var largestWidth = Math.max(this.props.majorCharWidth,this.props.minorCharWidth); if (this.maxLabelSize < text.length * largestWidth) { this.maxLabelSize = text.length * largestWidth; } };

/**  * Create a minor line for the axis at position y   * @param y   * @param orientation * @param className * @param offset * @param width */ DataAxis.prototype._redrawLine = function (y, orientation, className, offset, width) { if (this.master == true) { var line = DOMutil.getDOMElement('div',this.DOMelements.lines, this.dom.lineContainer);//this.dom.redundant.lines.shift; line.className = className; line.innerHTML = '';

if (orientation == 'left') { line.style.left = (this.width - offset) + 'px'; }     else { line.style.right = (this.width - offset) + 'px'; }

line.style.width = width + 'px'; line.style.top = y + 'px'; } };

/**  * Create a title for the axis * @private * @param orientation */ DataAxis.prototype._redrawTitle = function (orientation) { DOMutil.prepareElements(this.DOMelements.title);

// Check if the title is defined for this axes if (this.options.title[orientation] !== undefined && this.options.title[orientation].text !== undefined) { var title = DOMutil.getDOMElement('div', this.DOMelements.title, this.dom.frame); title.className = 'yAxis title ' + orientation; title.innerHTML = this.options.title[orientation].text;

// Add style - if provided if (this.options.title[orientation].style !== undefined) { util.addCssText(title, this.options.title[orientation].style); }

if (orientation == 'left') { title.style.left = this.props.titleCharHeight + 'px'; }     else { title.style.right = this.props.titleCharHeight + 'px'; }

title.style.width = this.height + 'px'; }

// we need to clean up in case we did not use all elements. DOMutil.cleanupElements(this.DOMelements.title); };

/**  * Determine the size of text on the axis (both major and minor axis). * The size is calculated only once and then cached in this.props. * @private */ DataAxis.prototype._calculateCharSize = function  { // determine the char width and height on the minor axis if (!('minorCharHeight' in this.props)) { var textMinor = document.createTextNode('0'); var measureCharMinor = document.createElement('div'); measureCharMinor.className = 'yAxis minor measure'; measureCharMinor.appendChild(textMinor); this.dom.frame.appendChild(measureCharMinor);

this.props.minorCharHeight = measureCharMinor.clientHeight; this.props.minorCharWidth = measureCharMinor.clientWidth;

this.dom.frame.removeChild(measureCharMinor); }

if (!('majorCharHeight' in this.props)) { var textMajor = document.createTextNode('0'); var measureCharMajor = document.createElement('div'); measureCharMajor.className = 'yAxis major measure'; measureCharMajor.appendChild(textMajor); this.dom.frame.appendChild(measureCharMajor);

this.props.majorCharHeight = measureCharMajor.clientHeight; this.props.majorCharWidth = measureCharMajor.clientWidth;

this.dom.frame.removeChild(measureCharMajor); }

if (!('titleCharHeight' in this.props)) { var textTitle = document.createTextNode('0'); var measureCharTitle = document.createElement('div'); measureCharTitle.className = 'yAxis title measure'; measureCharTitle.appendChild(textTitle); this.dom.frame.appendChild(measureCharTitle);

this.props.titleCharHeight = measureCharTitle.clientHeight; this.props.titleCharWidth = measureCharTitle.clientWidth;

this.dom.frame.removeChild(measureCharTitle); } };

module.exports = DataAxis;

/***/ }, /* 29 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var DOMutil = __webpack_require__(2); var Line = __webpack_require__(49); var Bar = __webpack_require__(50); var Points = __webpack_require__(51);

/**  * /**   * @param {object} group            | the object of the group from the dataset * @param {string} groupId         | ID of the group * @param {object} options         | the default options * @param {array} groupsUsingDefaultStyles | this array has one entree. *                                           It is passed as an array so it is passed by reference. *                                           It enumerates through the default styles * @constructor */ function GraphGroup (group, groupId, options, groupsUsingDefaultStyles) { this.id = groupId; var fields = ['sampling','style','sort','yAxisOrientation','barChart','drawPoints','shaded','catmullRom'] this.options = util.selectiveBridgeObject(fields,options); this.usingDefaultStyle = group.className === undefined; this.groupsUsingDefaultStyles = groupsUsingDefaultStyles; this.zeroPosition = 0; this.update(group); if (this.usingDefaultStyle == true) { this.groupsUsingDefaultStyles[0] += 1; }   this.itemsData = []; this.visible = group.visible === undefined ? true : group.visible; }

/**  * this loads a reference to all items in this group into this group. * @param {array} items */ GraphGroup.prototype.setItems = function(items) { if (items != null) { this.itemsData = items; if (this.options.sort == true) { this.itemsData.sort(function (a,b) {return a.x - b.x;}) }   }    else { this.itemsData = []; } };

/**  * this is used for plotting barcharts, this way, we only have to calculate it once. * @param pos */ GraphGroup.prototype.setZeroPosition = function(pos) { this.zeroPosition = pos; };

/**  * set the options of the graph group over the default options. * @param options */ GraphGroup.prototype.setOptions = function(options) { if (options !== undefined) { var fields = ['sampling','style','sort','yAxisOrientation','barChart']; util.selectiveDeepExtend(fields, this.options, options);

util.mergeOptions(this.options, options,'catmullRom'); util.mergeOptions(this.options, options,'drawPoints'); util.mergeOptions(this.options, options,'shaded');

if (options.catmullRom) { if (typeof options.catmullRom == 'object') { if (options.catmullRom.parametrization) { if (options.catmullRom.parametrization == 'uniform') { this.options.catmullRom.alpha = 0; }           else if (options.catmullRom.parametrization == 'chordal') { this.options.catmullRom.alpha = 1.0; }           else { this.options.catmullRom.parametrization = 'centripetal'; this.options.catmullRom.alpha = 0.5; }         }        }      }    }

if (this.options.style == 'line') { this.type = new Line(this.id, this.options); }   else if (this.options.style == 'bar') { this.type = new Bar(this.id, this.options); }   else if (this.options.style == 'points') { this.type = new Points(this.id, this.options); } };

/**  * this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph * @param group */ GraphGroup.prototype.update = function(group) { this.group = group; this.content = group.content || 'graph'; this.className = group.className || this.className || "graphGroup" + this.groupsUsingDefaultStyles[0] % 10; this.visible = group.visible === undefined ? true : group.visible; this.style = group.style; this.setOptions(group.options); };

/**  * draw the icon for the legend. *  * @param x   * @param y   * @param JSONcontainer * @param SVGcontainer * @param iconWidth * @param iconHeight */ GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) { var fillHeight = iconHeight * 0.5; var path, fillPath;

var outline = DOMutil.getSVGElement("rect", JSONcontainer, SVGcontainer); outline.setAttributeNS(null, "x", x); outline.setAttributeNS(null, "y", y - fillHeight); outline.setAttributeNS(null, "width", iconWidth); outline.setAttributeNS(null, "height", 2*fillHeight); outline.setAttributeNS(null, "class", "outline");

if (this.options.style == 'line') { path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); path.setAttributeNS(null, "class", this.className); if(this.style !== undefined) { path.setAttributeNS(null, "style", this.style); }

path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+""); if (this.options.shaded.enabled == true) { fillPath = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer); if (this.options.shaded.orientation == 'top') { fillPath.setAttributeNS(null, "d", "M"+x+", " + (y - fillHeight) +           "L"+x+","+y+" L"+ (x + iconWidth) + ","+y+" L"+ (x + iconWidth) + "," + (y - fillHeight)); }       else { fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " +           "L"+x+"," + (y + fillHeight) + " " +            "L"+ (x + iconWidth) + "," + (y + fillHeight) +            "L"+ (x + iconWidth) + ","+y); }       fillPath.setAttributeNS(null, "class", this.className + " iconFill"); }

if (this.options.drawPoints.enabled == true) { DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer); }   }    else { var barWidth = Math.round(0.3 * iconWidth); var bar1Height = Math.round(0.4 * iconHeight); var bar2Height = Math.round(0.75 * iconHeight);

var offset = Math.round((iconWidth - (2 * barWidth))/3);

DOMutil.drawBar(x + 0.5*barWidth + offset  , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' bar', JSONcontainer, SVGcontainer); DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' bar', JSONcontainer, SVGcontainer); } };

/**  * return the legend entree for this group. *  * @param iconWidth * @param iconHeight * @returns */ GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) { var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight); return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation}; }

GraphGroup.prototype.getYRange = function(groupData) { return this.type.getYRange(groupData); }

GraphGroup.prototype.draw = function(dataset, group, framework) { this.type.draw(dataset, group, framework); }

module.exports = GraphGroup;

/***/ }, /* 30 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var stack = __webpack_require__(18); var RangeItem = __webpack_require__(24);

/**  * @constructor Group * @param {Number | String} groupId * @param {Object} data * @param {ItemSet} itemSet */ function Group (groupId, data, itemSet) { this.groupId = groupId; this.subgroups = {}; this.subgroupIndex = 0; this.subgroupOrderer = data && data.subgroupOrder; this.itemSet = itemSet;

this.dom = {}; this.props = { label: { width: 0, height: 0 }   };    this.className = null;

this.items = {};       // items filtered by groupId of this group this.visibleItems = []; // items currently visible in window this.orderedItems = { byStart: [], byEnd: [] };   this.checkRangedItems = false; // needed to refresh the ranged items if the window is programatically changed with NO overlap. var me = this; this.itemSet.body.emitter.on("checkRangedItems", function {      me.checkRangedItems = true;    })

this._create;

this.setData(data); }

/**  * Create DOM elements for the group * @private */ Group.prototype._create = function { var label = document.createElement('div'); label.className = 'vlabel'; this.dom.label = label;

var inner = document.createElement('div'); inner.className = 'inner'; label.appendChild(inner); this.dom.inner = inner;

var foreground = document.createElement('div'); foreground.className = 'group'; foreground['timeline-group'] = this; this.dom.foreground = foreground;

this.dom.background = document.createElement('div'); this.dom.background.className = 'group';

this.dom.axis = document.createElement('div'); this.dom.axis.className = 'group';

// create a hidden marker to detect when the Timelines container is attached // to the DOM, or the style of a parent of the Timeline is changed from // display:none is changed to visible. this.dom.marker = document.createElement('div'); this.dom.marker.style.visibility = 'hidden'; // TODO: ask jos why this is not none? this.dom.marker.innerHTML = '?'; this.dom.background.appendChild(this.dom.marker); };

/**  * Set the group data for this group * @param {Object} data  Group data, can contain properties content and className */ Group.prototype.setData = function(data) { // update contents var content = data && data.content; if (content instanceof Element) { this.dom.inner.appendChild(content); }   else if (content !== undefined && content !== null) { this.dom.inner.innerHTML = content; }   else { this.dom.inner.innerHTML = this.groupId || ''; // groupId can be null }

// update title this.dom.label.title = data && data.title || '';

if (!this.dom.inner.firstChild) { util.addClassName(this.dom.inner, 'hidden'); }   else { util.removeClassName(this.dom.inner, 'hidden'); }

// update className var className = data && data.className || null; if (className != this.className) { if (this.className) { util.removeClassName(this.dom.label, this.className); util.removeClassName(this.dom.foreground, this.className); util.removeClassName(this.dom.background, this.className); util.removeClassName(this.dom.axis, this.className); }     util.addClassName(this.dom.label, className); util.addClassName(this.dom.foreground, className); util.addClassName(this.dom.background, className); util.addClassName(this.dom.axis, className); this.className = className; }

// update style if (this.style) { util.removeCssText(this.dom.label, this.style); this.style = null; }   if (data && data.style) { util.addCssText(this.dom.label, data.style); this.style = data.style; } };

/**  * Get the width of the group label * @return {number} width */ Group.prototype.getLabelWidth = function { return this.props.label.width; };

/**  * Repaint this group * @param range * @param margin * @param {boolean} [restack=false] Force restacking of all items * @return {boolean} Returns true if the group is resized */ Group.prototype.redraw = function(range, margin, restack) { var resized = false;

// force recalculation of the height of the items when the marker height changed // (due to the Timeline being attached to the DOM or changed from display:none to visible) var markerHeight = this.dom.marker.clientHeight; if (markerHeight != this.lastMarkerHeight) { this.lastMarkerHeight = markerHeight;

util.forEach(this.items, function (item) {       item.dirty = true;        if (item.displayed) item.redraw;      });

restack = true; }

// reposition visible items vertically if (typeof this.itemSet.options.order === 'function') { // a custom order function

if (restack) { // brute force restack of all items

// show all items var me = this; var limitSize = false; util.forEach(this.items, function (item) {         if (!item.displayed) {            item.redraw;            me.visibleItems.push(item);          }          item.repositionX(limitSize);        });

// order all items and force a restacking var customOrderedItems = this.orderedItems.byStart.slice.sort(function (a, b) {         return me.itemSet.options.order(a.data, b.data);        }); stack.stack(customOrderedItems, margin, true /* restack=true */); }

this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range); }   else { // no custom order function, lazy stacking this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range);

if (this.itemSet.options.stack) { // TODO: ugly way to access options... stack.stack(this.visibleItems, margin, restack); }     else { // no stacking stack.nostack(this.visibleItems, margin, this.subgroups); }   }

// recalculate the height of the group var height = this._calculateHeight(margin);

// calculate actual size and position var foreground = this.dom.foreground; this.top = foreground.offsetTop; this.left = foreground.offsetLeft; this.width = foreground.offsetWidth; resized = util.updateProperty(this, 'height', height) || resized;

// recalculate size of label resized = util.updateProperty(this.props.label, 'width', this.dom.inner.clientWidth) || resized; resized = util.updateProperty(this.props.label, 'height', this.dom.inner.clientHeight) || resized;

// apply new height this.dom.background.style.height = height + 'px'; this.dom.foreground.style.height = height + 'px'; this.dom.label.style.height = height + 'px';

// update vertical position of items after they are re-stacked and the height of the group is calculated for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { var item = this.visibleItems[i]; item.repositionY(margin); }

return resized; };

/**  * recalculate the height of the group * @param margin * @returns {number} Returns the height * @private */ Group.prototype._calculateHeight = function (margin) { // recalculate the height of the group var height; var visibleItems = this.visibleItems; //var visibleSubgroups = []; //this.visibleSubgroups = 0; this.resetSubgroups; var me = this; if (visibleItems.length) { var min = visibleItems[0].top; var max = visibleItems[0].top + visibleItems[0].height; util.forEach(visibleItems, function (item) {       min = Math.min(min, item.top);        max = Math.max(max, (item.top + item.height));        if (item.data.subgroup !== undefined) {          me.subgroups[item.data.subgroup].height = Math.max(me.subgroups[item.data.subgroup].height,item.height);          me.subgroups[item.data.subgroup].visible = true;          //if (visibleSubgroups.indexOf(item.data.subgroup) == -1){          //  visibleSubgroups.push(item.data.subgroup);          //  me.visibleSubgroups += 1;          //}        }      }); if (min > margin.axis) { // there is an empty gap between the lowest item and the axis var offset = min - margin.axis; max -= offset; util.forEach(visibleItems, function (item) {         item.top -= offset;        }); }     height = max + margin.item.vertical / 2; }   else { height = 0; }   height = Math.max(height, this.props.label.height);

return height; };

/**  * Show this group: attach to the DOM */ Group.prototype.show = function { if (!this.dom.label.parentNode) { this.itemSet.dom.labelSet.appendChild(this.dom.label); }

if (!this.dom.foreground.parentNode) { this.itemSet.dom.foreground.appendChild(this.dom.foreground); }

if (!this.dom.background.parentNode) { this.itemSet.dom.background.appendChild(this.dom.background); }

if (!this.dom.axis.parentNode) { this.itemSet.dom.axis.appendChild(this.dom.axis); } };

/**  * Hide this group: remove from the DOM */ Group.prototype.hide = function { var label = this.dom.label; if (label.parentNode) { label.parentNode.removeChild(label); }

var foreground = this.dom.foreground; if (foreground.parentNode) { foreground.parentNode.removeChild(foreground); }

var background = this.dom.background; if (background.parentNode) { background.parentNode.removeChild(background); }

var axis = this.dom.axis; if (axis.parentNode) { axis.parentNode.removeChild(axis); } };

/**  * Add an item to the group * @param {Item} item */ Group.prototype.add = function(item) { this.items[item.id] = item; item.setParent(this);

// add to   if (item.data.subgroup !== undefined) { if (this.subgroups[item.data.subgroup] === undefined) { this.subgroups[item.data.subgroup] = {height:0, visible: false, index:this.subgroupIndex, items: []}; this.subgroupIndex++; }     this.subgroups[item.data.subgroup].items.push(item); }   this.orderSubgroups;

if (this.visibleItems.indexOf(item) == -1) { var range = this.itemSet.body.range; // TODO: not nice accessing the range like this this._checkIfVisible(item, this.visibleItems, range); } };

Group.prototype.orderSubgroups = function { if (this.subgroupOrderer !== undefined) { var sortArray = []; if (typeof this.subgroupOrderer == 'string') { for (var subgroup in this.subgroups) { sortArray.push({subgroup: subgroup, sortField: this.subgroups[subgroup].items[0].data[this.subgroupOrderer]}) }       sortArray.sort(function (a, b) {          return a.sortField - b.sortField;        }) }     else if (typeof this.subgroupOrderer == 'function') { for (var subgroup in this.subgroups) { sortArray.push(this.subgroups[subgroup].items[0].data); }       sortArray.sort(this.subgroupOrderer); }

if (sortArray.length > 0) { for (var i = 0; i < sortArray.length; i++) { this.subgroups[sortArray[i].subgroup].index = i;       } }   }  };

Group.prototype.resetSubgroups = function { for (var subgroup in this.subgroups) { if (this.subgroups.hasOwnProperty(subgroup)) { this.subgroups[subgroup].visible = false; }   }  };

/**  * Remove an item from the group * @param {Item} item */ Group.prototype.remove = function(item) { delete this.items[item.id]; item.setParent(null);

// remove from visible items var index = this.visibleItems.indexOf(item); if (index != -1) this.visibleItems.splice(index, 1);

// TODO: also remove from ordered items? };

/**  * Remove an item from the corresponding DataSet * @param {Item} item */ Group.prototype.removeFromDataSet = function(item) { this.itemSet.removeItem(item.id); };

/**  * Reorder the items */ Group.prototype.order = function { var array = util.toArray(this.items); var startArray = []; var endArray = [];

for (var i = 0; i < array.length; i++) { if (array[i].data.end !== undefined) { endArray.push(array[i]); }     startArray.push(array[i]); }   this.orderedItems = { byStart: startArray, byEnd: endArray };

stack.orderByStart(this.orderedItems.byStart); stack.orderByEnd(this.orderedItems.byEnd); };

/**  * Update the visible items * @param orderedItems   All items ordered by start date and by end date * @param {Item[]} visibleItems                            The previously visible items. * @param range              Visible range * @return {Item[]} visibleItems                           The new visible items. * @private */ Group.prototype._updateVisibleItems = function(orderedItems, oldVisibleItems, range) { var visibleItems = []; var visibleItemsLookup = {}; // we keep this to quickly look up if an item already exists in the list without using indexOf on visibleItems var interval = (range.end - range.start) / 4; var lowerBound = range.start - interval; var upperBound = range.end + interval; var item, i;

// this function is used to do the binary search. var searchFunction = function (value) { if     (value < lowerBound)  {return -1;} else if (value <= upperBound) {return 0;} else                         {return  1;} }

// first check if the items that were in view previously are still in view. // IMPORTANT: this handles the case for the items with startdate before the window and enddate after the window! // also cleans up invisible items. if (oldVisibleItems.length > 0) { for (i = 0; i < oldVisibleItems.length; i++) { this._checkIfVisibleWithReference(oldVisibleItems[i], visibleItems, visibleItemsLookup, range); }   }

// we do a binary search for the items that have only start values. var initialPosByStart = util.binarySearchCustom(orderedItems.byStart, searchFunction, 'data','start');

// trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the start values. this._traceVisible(initialPosByStart, orderedItems.byStart, visibleItems, visibleItemsLookup, function (item) {     return (item.data.start < lowerBound || item.data.start > upperBound);    });

// if the window has changed programmatically without overlapping the old window, the ranged items with start < lowerBound and end > upperbound are not shown. // We therefore have to brute force check all items in the byEnd list if (this.checkRangedItems == true) { this.checkRangedItems = false; for (i = 0; i < orderedItems.byEnd.length; i++) { this._checkIfVisibleWithReference(orderedItems.byEnd[i], visibleItems, visibleItemsLookup, range); }   }    else { // we do a binary search for the items that have defined end times. var initialPosByEnd = util.binarySearchCustom(orderedItems.byEnd, searchFunction, 'data','end');

// trace the visible items from the inital start pos both ways until an invisible item is found, we only look at the end values. this._traceVisible(initialPosByEnd, orderedItems.byEnd, visibleItems, visibleItemsLookup, function (item) {       return (item.data.end < lowerBound || item.data.end > upperBound);      }); }

// finally, we reposition all the visible items. for (i = 0; i < visibleItems.length; i++) { item = visibleItems[i]; if (!item.displayed) item.show; // reposition item horizontally item.repositionX; }

// debug //console.log("new line") //if (this.groupId == null) { // for (i = 0; i < orderedItems.byStart.length; i++) { //   item = orderedItems.byStart[i].data; //   console.log('start',i,initialPosByStart, item.start.valueOf, item.content, item.start >= lowerBound && item.start <= upperBound,i == initialPosByStart ? "<--- HEREEEE" : "") // }    //  for (i = 0; i < orderedItems.byEnd.length; i++) { //   item = orderedItems.byEnd[i].data; //   console.log('rangeEnd',i,initialPosByEnd, item.end.valueOf, item.content, item.end >= range.start && item.end <= range.end,i == initialPosByEnd ? "<--- HEREEEE" : "") // }    //}

return visibleItems; };

Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) { var item; var i;

if (initialPos != -1) { for (i = initialPos; i >= 0; i--) { item = items[i]; if (breakCondition(item)) { break; }       else { if (visibleItemsLookup[item.id] === undefined) { visibleItemsLookup[item.id] = true; visibleItems.push(item); }       }      }

for (i = initialPos + 1; i < items.length; i++) { item = items[i]; if (breakCondition(item)) { break; }       else { if (visibleItemsLookup[item.id] === undefined) { visibleItemsLookup[item.id] = true; visibleItems.push(item); }       }      }    }  }

/**  * this function is very similar to the _checkIfInvisible but it does not * return booleans, hides the item if it should not be seen and always adds to  * the visibleItems. * this one is for brute forcing and hiding. *  * @param {Item} item * @param {Array} visibleItems * @param range * @private */ Group.prototype._checkIfVisible = function(item, visibleItems, range) { if (item.isVisible(range)) { if (!item.displayed) item.show; // reposition item horizontally item.repositionX; visibleItems.push(item); }     else { if (item.displayed) item.hide; } };

/**  * this function is very similar to the _checkIfInvisible but it does not * return booleans, hides the item if it should not be seen and always adds to  * the visibleItems. * this one is for brute forcing and hiding. *  * @param {Item} item * @param {Array} visibleItems * @param range * @private */ Group.prototype._checkIfVisibleWithReference = function(item, visibleItems, visibleItemsLookup, range) { if (item.isVisible(range)) { if (visibleItemsLookup[item.id] === undefined) { visibleItemsLookup[item.id] = true; visibleItems.push(item); }   }    else { if (item.displayed) item.hide; } };

module.exports = Group;

/***/ }, /* 31 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Group = __webpack_require__(30);

/**  * @constructor BackgroundGroup * @param {Number | String} groupId * @param {Object} data * @param {ItemSet} itemSet */ function BackgroundGroup (groupId, data, itemSet) { Group.call(this, groupId, data, itemSet);

this.width = 0; this.height = 0; this.top = 0; this.left = 0; }

BackgroundGroup.prototype = Object.create(Group.prototype);

/**  * Repaint this group * @param range * @param margin * @param {boolean} [restack=false] Force restacking of all items * @return {boolean} Returns true if the group is resized */ BackgroundGroup.prototype.redraw = function(range, margin, restack) { var resized = false;

this.visibleItems = this._updateVisibleItems(this.orderedItems, this.visibleItems, range);

// calculate actual size this.width = this.dom.background.offsetWidth;

// apply new height (just always zero for BackgroundGroup   this.dom.background.style.height  = '0';

// update vertical position of items after they are re-stacked and the height of the group is calculated for (var i = 0, ii = this.visibleItems.length; i < ii; i++) { var item = this.visibleItems[i]; item.repositionY(margin); }

return resized; };

/**  * Show this group: attach to the DOM */ BackgroundGroup.prototype.show = function { if (!this.dom.background.parentNode) { this.itemSet.dom.background.appendChild(this.dom.background); } };

module.exports = BackgroundGroup;

/***/ }, /* 32 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45); var util = __webpack_require__(1); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var TimeStep = __webpack_require__(19); var Component = __webpack_require__(25); var Group = __webpack_require__(30); var BackgroundGroup = __webpack_require__(31); var BoxItem = __webpack_require__(22); var PointItem = __webpack_require__(23); var RangeItem = __webpack_require__(24); var BackgroundItem = __webpack_require__(21);

var UNGROUPED = '__ungrouped__';  // reserved group id for ungrouped items var BACKGROUND = '__background__'; // reserved group id for background items without group

/**  * An ItemSet holds a set of items and ranges which can be displayed in a   * range. The width is determined by the parent of the ItemSet, and the height * is determined by the size of the items. * @param 🇩🇴 body * @param {Object} [options]     See ItemSet.setOptions for the available options. * @constructor ItemSet * @extends Component */ function ItemSet(body, options) { this.body = body;

this.defaultOptions = { type: null, // 'box', 'point', 'range', 'background' orientation: 'bottom', // item orientation: 'top' or 'bottom' align: 'auto', // alignment of box items stack: true, groupOrder: null,

selectable: true, editable: { updateTime: false, updateGroup: false, add: false, remove: false },

snap: TimeStep.snap,

onAdd: function (item, callback) { callback(item); },     onUpdate: function (item, callback) { callback(item); },     onMove: function (item, callback) { callback(item); },     onRemove: function (item, callback) { callback(item); },     onMoving: function (item, callback) { callback(item); },

margin: { item: { horizontal: 10, vertical: 10 },       axis: 20 },     padding: 5 };

// options is shared by this ItemSet and all its items this.options = util.extend({}, this.defaultOptions);

// options for getting items from the DataSet with the correct type this.itemOptions = { type: {start: 'Date', end: 'Date'} };

this.conversion = { toScreen: body.util.toScreen, toTime: body.util.toTime };   this.dom = {}; this.props = {}; this.hammer = null;

var me = this; this.itemsData = null;   // DataSet this.groupsData = null;  // DataSet

// listeners for the DataSet of the items this.itemListeners = { 'add': function (event, params, senderId) { me._onAdd(params.items); },     'update': function (event, params, senderId) { me._onUpdate(params.items); },     'remove': function (event, params, senderId) { me._onRemove(params.items); }   };

// listeners for the DataSet of the groups this.groupListeners = { 'add': function (event, params, senderId) { me._onAddGroups(params.items); },     'update': function (event, params, senderId) { me._onUpdateGroups(params.items); },     'remove': function (event, params, senderId) { me._onRemoveGroups(params.items); }   };

this.items = {};     // object with an Item for every data item this.groups = {};    // Group object for every group this.groupIds = [];

this.selection = []; // list with the ids of all selected nodes this.stackDirty = true; // if true, all items will be restacked on next redraw

this.touchParams = {}; // stores properties while dragging // create the HTML DOM

this._create;

this.setOptions(options); }

ItemSet.prototype = new Component;

// available item types will be registered here ItemSet.types = { background: BackgroundItem, box: BoxItem, range: RangeItem, point: PointItem };

/**  * Create the HTML DOM for the ItemSet */ ItemSet.prototype._create = function{ var frame = document.createElement('div'); frame.className = 'itemset'; frame['timeline-itemset'] = this; this.dom.frame = frame;

// create background panel var background = document.createElement('div'); background.className = 'background'; frame.appendChild(background); this.dom.background = background;

// create foreground panel var foreground = document.createElement('div'); foreground.className = 'foreground'; frame.appendChild(foreground); this.dom.foreground = foreground;

// create axis panel var axis = document.createElement('div'); axis.className = 'axis'; this.dom.axis = axis;

// create labelset var labelSet = document.createElement('div'); labelSet.className = 'labelset'; this.dom.labelSet = labelSet;

// create ungrouped Group this._updateUngrouped;

// create background Group var backgroundGroup = new BackgroundGroup(BACKGROUND, null, this); backgroundGroup.show; this.groups[BACKGROUND] = backgroundGroup;

// attach event listeners // Note: we bind to the centerContainer for the case where the height //      of the center container is larger than of the ItemSet, so we    //       can click in the empty area to create a new item or deselect an item. this.hammer = Hammer(this.body.dom.centerContainer, {     preventDefault: true    });

// drag items when selected this.hammer.on('touch',    this._onTouch.bind(this)); this.hammer.on('dragstart', this._onDragStart.bind(this)); this.hammer.on('drag',     this._onDrag.bind(this)); this.hammer.on('dragend',  this._onDragEnd.bind(this));

// single select (or unselect) when tapping an item this.hammer.on('tap', this._onSelectItem.bind(this));

// multi select when holding mouse/touch, or on ctrl+click this.hammer.on('hold', this._onMultiSelectItem.bind(this));

// add item on doubletap this.hammer.on('doubletap', this._onAddItem.bind(this));

// attach to the DOM this.show; };

/**  * Set options for the ItemSet. Existing options will be extended/overwritten. * @param {Object} [options] The following options are available: *                          {String} type *                             Default type for the items. Choose from 'box' *                             (default), 'point', 'range', or 'background'. *                             The default style can be overwritten by   *                              individual items. *                          {String} align *                             Alignment for the items, only applicable for *                             BoxItem. Choose 'center' (default), 'left', or  *                              'right'. *                          {String} orientation *                             Orientation of the item set. Choose 'top' or  *                              'bottom' (default). *                          {Function} groupOrder *                             A sorting function for ordering groups *                          {Boolean} stack *                             If true (deafult), items will be stacked on   *                              top of each other. *                          {Number} margin.axis *                             Margin between the axis and the items in pixels. *                             Default is 20. *                          {Number} margin.item.horizontal *                             Horizontal margin between items in pixels. *                             Default is 10. *                          {Number} margin.item.vertical *                             Vertical Margin between items in pixels. *                             Default is 10. *                          {Number} margin.item *                             Margin between items in pixels in both horizontal *                             and vertical direction. Default is 10. *                          {Number} margin *                             Set margin for both axis and items in pixels. *                          {Number} padding *                             Padding of the contents of an item in pixels. *                             Must correspond with the items css. Default is 5. *                          {Boolean} selectable *                             If true (default), items can be selected. *                          {Boolean} editable *                             Set all editable options to true or false *                          {Boolean} editable.updateTime *                             Allow dragging an item to an other moment in time *                          {Boolean} editable.updateGroup *                             Allow dragging an item to an other group *                          {Boolean} editable.add *                             Allow creating new items on double tap *                          {Boolean} editable.remove *                             Allow removing items by clicking the delete button *                             top right of a selected item. *                          {Function(item: Item, callback: Function)} onAdd *                             Callback function triggered when an item is about to be added: *                             when the user double taps an empty space in the Timeline. *                          {Function(item: Item, callback: Function)} onUpdate *                             Callback function fired when an item is about to be updated. *                             This function typically has to show a dialog where the user *                             change the item. If not implemented, nothing happens. *                          {Function(item: Item, callback: Function)} onMove *                             Fired when an item has been moved. If not implemented, *                             the move action will be accepted. *                          {Function(item: Item, callback: Function)} onRemove *                             Fired when an item is about to be deleted. *                             If not implemented, the item will be always removed. */ ItemSet.prototype.setOptions = function(options) { if (options) { // copy all options that we know var fields = ['type', 'align', 'order', 'padding', 'stack', 'selectable', 'groupOrder', 'dataAttributes', 'template','hide', 'snap']; util.selectiveExtend(fields, this.options, options);

if ('orientation' in options) { if (typeof options.orientation === 'string') { this.options.orientation = options.orientation; }       else if (typeof options.orientation === 'object' && 'item' in options.orientation) { this.options.orientation = options.orientation.item; }     }

if ('margin' in options) { if (typeof options.margin === 'number') { this.options.margin.axis = options.margin; this.options.margin.item.horizontal = options.margin; this.options.margin.item.vertical = options.margin; }       else if (typeof options.margin === 'object') { util.selectiveExtend(['axis'], this.options.margin, options.margin); if ('item' in options.margin) { if (typeof options.margin.item === 'number') { this.options.margin.item.horizontal = options.margin.item; this.options.margin.item.vertical = options.margin.item; }           else if (typeof options.margin.item === 'object') { util.selectiveExtend(['horizontal', 'vertical'], this.options.margin.item, options.margin.item); }         }        }      }

if ('editable' in options) { if (typeof options.editable === 'boolean') { this.options.editable.updateTime = options.editable; this.options.editable.updateGroup = options.editable; this.options.editable.add        = options.editable; this.options.editable.remove     = options.editable; }       else if (typeof options.editable === 'object') { util.selectiveExtend(['updateTime', 'updateGroup', 'add', 'remove'], this.options.editable, options.editable); }     }

// callback functions var addCallback = (function (name) {       var fn = options[name];        if (fn) {          if (!(fn instanceof Function)) {            throw new Error('option ' + name + ' must be a function ' + name + '(item, callback)');          }          this.options[name] = fn;        }      }).bind(this); ['onAdd', 'onUpdate', 'onRemove', 'onMove', 'onMoving'].forEach(addCallback);

// force the itemSet to refresh: options like orientation and margins may be changed this.markDirty; } };

/**  * Mark the ItemSet dirty so it will refresh everything with next redraw. * Optionally, all items can be marked as dirty and be refreshed. * @param [options] */ ItemSet.prototype.markDirty = function(options) { this.groupIds = []; this.stackDirty = true;

if (options && options.refreshItems) { util.forEach(this.items, function (item) {       item.dirty = true;        if (item.displayed) item.redraw;      }); } };

/**  * Destroy the ItemSet */ ItemSet.prototype.destroy = function { this.hide; this.setItems(null); this.setGroups(null);

this.hammer = null;

this.body = null; this.conversion = null; };

/**  * Hide the component from the DOM */ ItemSet.prototype.hide = function { // remove the frame containing the items if (this.dom.frame.parentNode) { this.dom.frame.parentNode.removeChild(this.dom.frame); }

// remove the axis with dots if (this.dom.axis.parentNode) { this.dom.axis.parentNode.removeChild(this.dom.axis); }

// remove the labelset containing all group labels if (this.dom.labelSet.parentNode) { this.dom.labelSet.parentNode.removeChild(this.dom.labelSet); } };

/**  * Show the component in the DOM (when not already visible). * @return {Boolean} changed */ ItemSet.prototype.show = function { // show frame containing the items if (!this.dom.frame.parentNode) { this.body.dom.center.appendChild(this.dom.frame); }

// show axis with dots if (!this.dom.axis.parentNode) { this.body.dom.backgroundVertical.appendChild(this.dom.axis); }

// show labelset containing labels if (!this.dom.labelSet.parentNode) { this.body.dom.left.appendChild(this.dom.labelSet); } };

/**  * Set selected items by their id. Replaces the current selection * Unknown id's are silently ignored. * @param {string[] | string} [ids] An array with zero or more id's of the items to be  *                                  selected, or a single item id. If ids is undefined *                                 or an empty array, all items will be unselected. */ ItemSet.prototype.setSelection = function(ids) { var i, ii, id, item;

if (ids == undefined) ids = []; if (!Array.isArray(ids)) ids = [ids];

// unselect currently selected items for (i = 0, ii = this.selection.length; i < ii; i++) { id = this.selection[i]; item = this.items[id]; if (item) item.unselect; }

// select items this.selection = []; for (i = 0, ii = ids.length; i < ii; i++) { id = ids[i]; item = this.items[id]; if (item) { this.selection.push(id); item.select; }   }  };

/**  * Get the selected items by their id   * @return {Array} ids  The ids of the selected items */ ItemSet.prototype.getSelection = function { return this.selection.concat([]); };

/**  * Get the id's of the currently visible items. * @returns {Array} The ids of the visible items */ ItemSet.prototype.getVisibleItems = function { var range = this.body.range.getRange; var left = this.body.util.toScreen(range.start); var right = this.body.util.toScreen(range.end);

var ids = []; for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { var group = this.groups[groupId]; var rawVisibleItems = group.visibleItems;

// filter the "raw" set with visibleItems into a set which is really // visible by pixels for (var i = 0; i < rawVisibleItems.length; i++) { var item = rawVisibleItems[i]; // TODO: also check whether visible vertically if ((item.left < right) && (item.left + item.width > left)) { ids.push(item.id); }       }      }    }

return ids; };

/**  * Deselect a selected item * @param {String | Number} id  * @private */ ItemSet.prototype._deselect = function(id) { var selection = this.selection; for (var i = 0, ii = selection.length; i < ii; i++) { if (selection[i] == id) { // non-strict comparison! selection.splice(i, 1); break; }   }  };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ ItemSet.prototype.redraw = function { var margin = this.options.margin, range = this.body.range, asSize = util.option.asSize, options = this.options, orientation = options.orientation, resized = false, frame = this.dom.frame, editable = options.editable.updateTime || options.editable.updateGroup;

// recalculate absolute position (before redrawing groups) this.props.top = this.body.domProps.top.height + this.body.domProps.border.top; this.props.left = this.body.domProps.left.width + this.body.domProps.border.left;

// update class name frame.className = 'itemset' + (editable ? ' editable' : '');

// reorder the groups (if needed) resized = this._orderGroups || resized;

// check whether zoomed (in that case we need to re-stack everything) // TODO: would be nicer to get this as a trigger from Range var visibleInterval = range.end - range.start; var zoomed = (visibleInterval != this.lastVisibleInterval) || (this.props.width != this.props.lastWidth); if (zoomed) this.stackDirty = true; this.lastVisibleInterval = visibleInterval; this.props.lastWidth = this.props.width;

var restack = this.stackDirty; var firstGroup = this._firstGroup; var firstMargin = { item: margin.item, axis: margin.axis };   var nonFirstMargin = { item: margin.item, axis: margin.item.vertical / 2 };   var height = 0; var minHeight = margin.axis + margin.item.vertical;

// redraw the background group this.groups[BACKGROUND].redraw(range, nonFirstMargin, restack);

// redraw all regular groups util.forEach(this.groups, function (group) {     var groupMargin = (group == firstGroup) ? firstMargin : nonFirstMargin;      var groupResized = group.redraw(range, groupMargin, restack);      resized = groupResized || resized;      height += group.height;    }); height = Math.max(height, minHeight); this.stackDirty = false;

// update frame height frame.style.height = asSize(height);

// calculate actual size this.props.width = frame.offsetWidth; this.props.height = height;

// reposition axis this.dom.axis.style.top = asSize((orientation == 'top') ?       (this.body.domProps.top.height + this.body.domProps.border.top) :        (this.body.domProps.top.height + this.body.domProps.centerContainer.height)); this.dom.axis.style.left = '0';

// check if this component is resized resized = this._isResized || resized;

return resized; };

/**  * Get the first group, aligned with the axis * @return {Group | null} firstGroup * @private */ ItemSet.prototype._firstGroup = function { var firstGroupIndex = (this.options.orientation == 'top') ? 0 : (this.groupIds.length - 1); var firstGroupId = this.groupIds[firstGroupIndex]; var firstGroup = this.groups[firstGroupId] || this.groups[UNGROUPED];

return firstGroup || null; };

/**  * Create or delete the group holding all ungrouped items. This group is used when * there are no groups specified. * @protected */ ItemSet.prototype._updateUngrouped = function { var ungrouped = this.groups[UNGROUPED]; var background = this.groups[BACKGROUND]; var item, itemId;

if (this.groupsData) { // remove the group holding all ungrouped items if (ungrouped) { ungrouped.hide; delete this.groups[UNGROUPED];

for (itemId in this.items) { if (this.items.hasOwnProperty(itemId)) { item = this.items[itemId]; item.parent && item.parent.remove(item); var groupId = this._getGroupId(item.data); var group = this.groups[groupId]; group && group.add(item) || item.hide; }       }      }    }    else { // create a group holding all (unfiltered) items if (!ungrouped) { var id = null; var data = null; ungrouped = new Group(id, data, this); this.groups[UNGROUPED] = ungrouped;

for (itemId in this.items) { if (this.items.hasOwnProperty(itemId)) { item = this.items[itemId]; ungrouped.add(item); }       }

ungrouped.show; }   }  };

/**  * Get the element for the labelset * @return {HTMLElement} labelSet */ ItemSet.prototype.getLabelSet = function { return this.dom.labelSet; };

/**  * Set items * @param {vis.DataSet | null} items */ ItemSet.prototype.setItems = function(items) { var me = this, ids, oldItemsData = this.itemsData;

// replace the dataset if (!items) { this.itemsData = null; }   else if (items instanceof DataSet || items instanceof DataView) { this.itemsData = items; }   else { throw new TypeError('Data must be an instance of DataSet or DataView'); }

if (oldItemsData) { // unsubscribe from old dataset util.forEach(this.itemListeners, function (callback, event) {       oldItemsData.off(event, callback);      });

// remove all drawn items ids = oldItemsData.getIds; this._onRemove(ids); }

if (this.itemsData) { // subscribe to new dataset var id = this.id; util.forEach(this.itemListeners, function (callback, event) {       me.itemsData.on(event, callback, id);      });

// add all new items ids = this.itemsData.getIds; this._onAdd(ids);

// update the group holding all ungrouped items this._updateUngrouped; } };

/**  * Get the current items * @returns {vis.DataSet | null} */ ItemSet.prototype.getItems = function { return this.itemsData; };

/**  * Set groups * @param {vis.DataSet} groups */ ItemSet.prototype.setGroups = function(groups) { var me = this, ids;

// unsubscribe from current dataset if (this.groupsData) { util.forEach(this.groupListeners, function (callback, event) {       me.groupsData.unsubscribe(event, callback);      });

// remove all drawn groups ids = this.groupsData.getIds; this.groupsData = null; this._onRemoveGroups(ids); // note: this will cause a redraw }

// replace the dataset if (!groups) { this.groupsData = null; }   else if (groups instanceof DataSet || groups instanceof DataView) { this.groupsData = groups; }   else { throw new TypeError('Data must be an instance of DataSet or DataView'); }

if (this.groupsData) { // subscribe to new dataset var id = this.id; util.forEach(this.groupListeners, function (callback, event) {       me.groupsData.on(event, callback, id);      });

// draw all ms     ids = this.groupsData.getIds; this._onAddGroups(ids); }

// update the group holding all ungrouped items this._updateUngrouped;

// update the order of all items in each group this._order;

this.body.emitter.emit('change', {queue: true}); };

/**  * Get the current groups * @returns {vis.DataSet | null} groups */ ItemSet.prototype.getGroups = function { return this.groupsData; };

/**  * Remove an item by its id   * @param {String | Number} id   */ ItemSet.prototype.removeItem = function(id) { var item = this.itemsData.get(id), dataset = this.itemsData.getDataSet;

if (item) { // confirm deletion this.options.onRemove(item, function (item) {       if (item) {          // remove by id here, it is possible that an item has no id defined          // itself, so better not delete by the item itself          dataset.remove(id);        }      }); } };

/**  * Get the time of an item based on it's data and options.type * @param {Object} itemData * @returns {string} Returns the type * @private */ ItemSet.prototype._getType = function (itemData) { return itemData.type || this.options.type || (itemData.end ? 'range' : 'box'); };

/**  * Get the group id for an item * @param {Object} itemData * @returns {string} Returns the groupId * @private */ ItemSet.prototype._getGroupId = function (itemData) { var type = this._getType(itemData); if (type == 'background' && itemData.group == undefined) { return BACKGROUND; }   else { return this.groupsData ? itemData.group : UNGROUPED; } };

/**  * Handle updated items * @param {Number[]} ids * @protected */ ItemSet.prototype._onUpdate = function(ids) { var me = this;

ids.forEach(function (id) {     var itemData = me.itemsData.get(id, me.itemOptions);      var item = me.items[id];      var type = me._getType(itemData);

var constructor = ItemSet.types[type];

if (item) { // update item if (!constructor || !(item instanceof constructor)) { // item type has changed, delete the item and recreate it         me._removeItem(item); item = null; }       else { me._updateItem(item, itemData); }     }

if (!item) { // create item if (constructor) { item = new constructor(itemData, me.conversion, me.options); item.id = id; // TODO: not so nice setting id afterwards me._addItem(item); }       else if (type == 'rangeoverflow') { // TODO: deprecated since version 2.1.0 (or 3.0.0?). cleanup some day throw new TypeError('Item type "rangeoverflow" is deprecated. Use css styling instead: ' +             '.vis.timeline .item.range .content {overflow: visible;}'); }       else { throw new TypeError('Unknown item type "' + type + '"'); }     }    });

this._order; this.stackDirty = true; // force re-stacking of all items next redraw this.body.emitter.emit('change', {queue: true}); };

/**  * Handle added items * @param {Number[]} ids * @protected */ ItemSet.prototype._onAdd = ItemSet.prototype._onUpdate;

/**  * Handle removed items * @param {Number[]} ids * @protected */ ItemSet.prototype._onRemove = function(ids) { var count = 0; var me = this; ids.forEach(function (id) {     var item = me.items[id];      if (item) {        count++;        me._removeItem(item);      }    });

if (count) { // update order this._order; this.stackDirty = true; // force re-stacking of all items next redraw this.body.emitter.emit('change', {queue: true}); } };

/**  * Update the order of item in all groups * @private */ ItemSet.prototype._order = function { // reorder the items in all groups // TODO: optimization: only reorder groups affected by the changed items util.forEach(this.groups, function (group) {     group.order;    }); };

/**  * Handle updated groups * @param {Number[]} ids * @private */ ItemSet.prototype._onUpdateGroups = function(ids) { this._onAddGroups(ids); };

/**  * Handle changed groups (added or updated) * @param {Number[]} ids * @private */ ItemSet.prototype._onAddGroups = function(ids) { var me = this;

ids.forEach(function (id) {     var groupData = me.groupsData.get(id);      var group = me.groups[id];

if (!group) { // check for reserved ids if (id == UNGROUPED || id == BACKGROUND) { throw new Error('Illegal group id. ' + id + ' is a reserved id.'); }

var groupOptions = Object.create(me.options); util.extend(groupOptions, {         height: null        });

group = new Group(id, groupData, me); me.groups[id] = group;

// add items with this groupId to the new group for (var itemId in me.items) { if (me.items.hasOwnProperty(itemId)) { var item = me.items[itemId]; if (item.data.group == id) { group.add(item); }         }        }

group.order; group.show; }     else { // update group group.setData(groupData); }   });

this.body.emitter.emit('change', {queue: true}); };

/**  * Handle removed groups * @param {Number[]} ids * @private */ ItemSet.prototype._onRemoveGroups = function(ids) { var groups = this.groups; ids.forEach(function (id) {     var group = groups[id];

if (group) { group.hide; delete groups[id]; }   });

this.markDirty;

this.body.emitter.emit('change', {queue: true}); };

/**  * Reorder the groups if needed * @return {boolean} changed * @private */ ItemSet.prototype._orderGroups = function  { if (this.groupsData) { // reorder the groups var groupIds = this.groupsData.getIds({       order: this.options.groupOrder      });

var changed = !util.equalArray(groupIds, this.groupIds); if (changed) { // hide all groups, removes them from the DOM var groups = this.groups; groupIds.forEach(function (groupId) {         groups[groupId].hide;        });

// show the groups again, attach them to the DOM in correct order groupIds.forEach(function (groupId) {         groups[groupId].show;        });

this.groupIds = groupIds; }

return changed; }   else { return false; } };

/**  * Add a new item * @param {Item} item * @private */ ItemSet.prototype._addItem = function(item) { this.items[item.id] = item;

// add to group var groupId = this._getGroupId(item.data); var group = this.groups[groupId]; if (group) group.add(item); };

/**  * Update an existing item * @param {Item} item * @param {Object} itemData * @private */ ItemSet.prototype._updateItem = function(item, itemData) { var oldGroupId = item.data.group;

// update the items data (will redraw the item when displayed) item.setData(itemData);

// update group if (oldGroupId != item.data.group) { var oldGroup = this.groups[oldGroupId]; if (oldGroup) oldGroup.remove(item);

var groupId = this._getGroupId(item.data); var group = this.groups[groupId]; if (group) group.add(item); } };

/**  * Delete an item from the ItemSet: remove it from the DOM, from the map * with items, and from the map with visible items, and from the selection * @param {Item} item * @private */ ItemSet.prototype._removeItem = function(item) { // remove from DOM item.hide;

// remove from items delete this.items[item.id];

// remove from selection var index = this.selection.indexOf(item.id); if (index != -1) this.selection.splice(index, 1);

// remove from group item.parent && item.parent.remove(item); };

/**  * Create an array containing all items being a range (having an end date) * @param array * @returns {Array} * @private */ ItemSet.prototype._constructByEndArray = function(array) { var endArray = [];

for (var i = 0; i < array.length; i++) { if (array[i] instanceof RangeItem) { endArray.push(array[i]); }   }    return endArray; };

/**  * Register the clicked item on touch, before dragStart is initiated. *  * dragStart is initiated from a mousemove event, which can have left the item * already resulting in an item == null *  * @param {Event} event * @private */ ItemSet.prototype._onTouch = function (event) { // store the touched item, used in _onDragStart this.touchParams.item = this.itemFromTarget(event); };

/**  * Start dragging the selected events * @param {Event} event * @private */ ItemSet.prototype._onDragStart = function (event) { if (!this.options.editable.updateTime && !this.options.editable.updateGroup) { return; }

var item = this.touchParams.item || null; var me = this; var props;

if (item && item.selected) { var dragLeftItem = event.target.dragLeftItem; var dragRightItem = event.target.dragRightItem;

if (dragLeftItem) { props = { item: dragLeftItem, initialX: event.gesture.center.pageX, dragLeft: true, data: util.extend({}, item.data) // clone the items data };

this.touchParams.itemProps = [props]; }     else if (dragRightItem) { props = { item: dragRightItem, initialX: event.gesture.center.pageX, dragRight: true, data: util.extend({}, item.data) // clone the items data };

this.touchParams.itemProps = [props]; }     else { this.touchParams.itemProps = this.getSelection.map(function (id) {         var item = me.items[id];          var props = {            item: item,            initialX: event.gesture.center.pageX,            data: util.extend({}, item.data) // clone the items data          };

return props; });     }

event.stopPropagation; }   else if (this.options.editable.add && event.gesture.srcEvent.ctrlKey) { // create a new range item when dragging with ctrl key down this._onDragStartAddItem(event); } };

/**  * Start creating a new range item by dragging. * @param {Event} event * @private */ ItemSet.prototype._onDragStartAddItem = function (event) { var snap = this.options.snap || null; var xAbs = util.getAbsoluteLeft(this.dom.frame); var x = event.gesture.center.pageX - xAbs - 10; // minus 10 to compensate for the drag starting as soon as you've moved 10px var time = this.body.util.toTime(x); var scale = this.body.util.getScale; var step = this.body.util.getStep; var start = snap ? snap(time, scale, step) : start; var end = start;

var itemData = { type: 'range', start: start, end: end, content: 'new item' };

var id = util.randomUUID; itemData[this.itemsData._fieldId] = id;

var group = this.groupFromTarget(event); if (group) { itemData.group = group.groupId; }

var newItem = new RangeItem(itemData, this.conversion, this.options); newItem.id = id; // TODO: not so nice setting id afterwards newItem.data = itemData; this._addItem(newItem);

var props = { item: newItem, dragRight: true, initialX: event.gesture.center.pageX, data: util.extend({}, itemData) };   this.touchParams.itemProps = [props];

event.stopPropagation; };

/**  * Drag selected items * @param {Event} event * @private */ ItemSet.prototype._onDrag = function (event) { event.preventDefault;

if (this.touchParams.itemProps) { event.stopPropagation;

var me = this; var snap = this.options.snap || null; var xOffset = this.body.dom.root.offsetLeft + this.body.domProps.left.width; var scale = this.body.util.getScale; var step = this.body.util.getStep;

// move this.touchParams.itemProps.forEach(function (props) {       var current = me.body.util.toTime(event.gesture.center.pageX - xOffset);        var initial = me.body.util.toTime(props.initialX - xOffset);        var offset = current - initial;

var itemData = util.extend({}, props.item.data); // clone the data

if (me.options.editable.updateTime) { if (props.dragLeft) { // drag left side of a range item if (itemData.start != undefined) { var initialStart = util.convert(props.data.start, 'Date'); var start = new Date(initialStart.valueOf + offset); itemData.start = snap ? snap(start, scale, step) : start; }         }          else if (props.dragRight) { // drag right side of a range item if (itemData.end != undefined) { var initialEnd = util.convert(props.data.end, 'Date'); var end = new Date(initialEnd.valueOf + offset); itemData.end = snap ? snap(end, scale, step) : end; }         }          else { // drag both start and end if (itemData.start != undefined) { var initialStart = util.convert(props.data.start, 'Date').valueOf; var start = new Date(initialStart + offset);

if (itemData.end != undefined) { var initialEnd = util.convert(props.data.end, 'Date'); var duration = initialEnd.valueOf - initialStart.valueOf;

itemData.start = snap ? snap(start, scale, step) : start; itemData.end  = new Date(itemData.start.valueOf + duration); }             else { itemData.start = snap ? snap(start, scale, step) : start; }           }          }        }

if (me.options.editable.updateGroup && (!props.dragLeft && !props.dragRight)) { if (itemData.group != undefined) { // drag from one group to another var group = me.groupFromTarget(event); if (group) { itemData.group = group.groupId; }         }        }

// confirm moving the item me.options.onMoving(itemData, function (itemData) {         if (itemData) {            props.item.setData(itemData);          }        }); });

this.stackDirty = true; // force re-stacking of all items next redraw this.body.emitter.emit('change'); } };

/**  * Move an item to another group * @param {Item} item * @param {String | Number} groupId * @private */ ItemSet.prototype._moveToGroup = function(item, groupId) { var group = this.groups[groupId]; if (group && group.groupId != item.data.group) { var oldGroup = item.parent; oldGroup.remove(item); oldGroup.order; group.add(item); group.order;

item.data.group = group.groupId; } };

/**  * End of dragging selected items * @param {Event} event * @private */ ItemSet.prototype._onDragEnd = function (event) { event.preventDefault;

if (this.touchParams.itemProps) { event.stopPropagation;

// prepare a change set for the changed items var changes = []; var me = this; var dataset = this.itemsData.getDataSet;

var itemProps = this.touchParams.itemProps ; this.touchParams.itemProps = null; itemProps.forEach(function (props) {       var id = props.item.id;        var exists = me.itemsData.get(id, me.itemOptions) != null;

if (!exists) { // add a new item me.options.onAdd(props.item.data, function (itemData) {           me._removeItem(props.item); // remove temporary item            if (itemData) {              me.itemsData.getDataSet.add(itemData);            }

// force re-stacking of all items next redraw me.stackDirty = true; me.body.emitter.emit('change'); });       }        else {          // update existing item          var itemData = util.extend({}, props.item.data); // clone the data          me.options.onMove(itemData, function (itemData) { if (itemData) { // apply changes itemData[dataset._fieldId] = id; // ensure the item contains its id (can be undefined) changes.push(itemData); }           else { // restore original values props.item.setData(props.data);

me.stackDirty = true; // force re-stacking of all items next redraw me.body.emitter.emit('change'); }         });        }      });

// apply the changes to the data (if there are changes) if (changes.length) { dataset.update(changes); }   }  };

/**  * Handle selecting/deselecting an item when tapping it   * @param {Event} event * @private */ ItemSet.prototype._onSelectItem = function (event) { if (!this.options.selectable) return;

var ctrlKey = event.gesture.srcEvent && event.gesture.srcEvent.ctrlKey; var shiftKey = event.gesture.srcEvent && event.gesture.srcEvent.shiftKey; if (ctrlKey || shiftKey) { this._onMultiSelectItem(event); return; }

var oldSelection = this.getSelection;

var item = this.itemFromTarget(event); var selection = item ? [item.id] : []; this.setSelection(selection);

var newSelection = this.getSelection;

// emit a select event, // except when old selection is empty and new selection is still empty if (newSelection.length > 0 || oldSelection.length > 0) { this.body.emitter.emit('select', {       items: newSelection      }); } };

/**  * Handle creation and updates of an item on double tap * @param event * @private */ ItemSet.prototype._onAddItem = function (event) { if (!this.options.selectable) return; if (!this.options.editable.add) return;

var me = this, snap = this.options.snap || null, item = this.itemFromTarget(event);

if (item) { // update item

// execute async handler to update the item (or cancel it) var itemData = me.itemsData.get(item.id); // get a clone of the data from the dataset this.options.onUpdate(itemData, function (itemData) {       if (itemData) {          me.itemsData.getDataSet.update(itemData);        }      }); }   else { // add item var xAbs = util.getAbsoluteLeft(this.dom.frame); var x = event.gesture.center.pageX - xAbs; var start = this.body.util.toTime(x); var scale = this.body.util.getScale; var step = this.body.util.getStep;

var newItem = { start: snap ? snap(start, scale, step) : start, content: 'new item' };

// when default type is a range, add a default end date to the new item if (this.options.type === 'range') { var end = this.body.util.toTime(x + this.props.width / 5); newItem.end = snap ? snap(end, scale, step) : end; }

newItem[this.itemsData._fieldId] = util.randomUUID;

var group = this.groupFromTarget(event); if (group) { newItem.group = group.groupId; }

// execute async handler to customize (or cancel) adding an item this.options.onAdd(newItem, function (item) {       if (item) {          me.itemsData.getDataSet.add(item);          // TODO: need to trigger a redraw?        }      }); } };

/**  * Handle selecting/deselecting multiple items when holding an item * @param {Event} event * @private */ ItemSet.prototype._onMultiSelectItem = function (event) { if (!this.options.selectable) return;

var selection, item = this.itemFromTarget(event);

if (item) { // multi select items selection = this.getSelection; // current selection

var shiftKey = event.gesture.touches[0] && event.gesture.touches[0].shiftKey || false; if (shiftKey) { // select all items between the old selection and the tapped item

// determine the selection range selection.push(item.id); var range = ItemSet._getItemRange(this.itemsData.get(selection, this.itemOptions));

// select all items within the selection range selection = []; for (var id in this.items) { if (this.items.hasOwnProperty(id)) { var _item = this.items[id]; var start = _item.data.start; var end = (_item.data.end !== undefined) ? _item.data.end : start;

if (start >= range.min &&               end <= range.max &&                !(_item instanceof BackgroundItem)) { selection.push(_item.id); // do not use id but item.id, id itself is stringified }         }        }      }      else { // add/remove this item from the current selection var index = selection.indexOf(item.id); if (index == -1) { // item is not yet selected -> select it         selection.push(item.id); }       else { // item is already selected -> deselect it         selection.splice(index, 1); }     }

this.setSelection(selection);

this.body.emitter.emit('select', {       items: this.getSelection      }); } };

/**  * Calculate the time range of a list of items * @param {Array.} itemsData * @return 0 Returns the range of the provided items * @private */ ItemSet._getItemRange = function(itemsData) { var max = null; var min = null;

itemsData.forEach(function (data) {     if (min == null || data.start < min) {        min = data.start;      }

if (data.end != undefined) { if (max == null || data.end > max) { max = data.end; }     }      else { if (max == null || data.start > max) { max = data.start; }     }    });

return { min: min, max: max } };

/**  * Find an item from an event target: * searches for the attribute 'timeline-item' in the event target's element tree * @param {Event} event * @return {Item | null} item */ ItemSet.prototype.itemFromTarget = function(event) { var target = event.target; while (target) { if (target.hasOwnProperty('timeline-item')) { return target['timeline-item']; }     target = target.parentNode; }

return null; };

/**  * Find the Group from an event target: * searches for the attribute 'timeline-group' in the event target's element tree * @param {Event} event * @return {Group | null} group */ ItemSet.prototype.groupFromTarget = function(event) { var pageY = event.gesture ? event.gesture.center.pageY : event.pageY; for (var i = 0; i < this.groupIds.length; i++) { var groupId = this.groupIds[i]; var group = this.groups[groupId]; var foreground = group.dom.foreground; var top = util.getAbsoluteTop(foreground); if (pageY > top && pageY < top + foreground.offsetHeight) { return group; }

if (this.options.orientation === 'top') { if (i === this.groupIds.length - 1 && pageY > top) { return group; }     }      else { if (i === 0 && pageY < top + foreground.offset) { return group; }     }    }

return null; };

/**  * Find the ItemSet from an event target: * searches for the attribute 'timeline-itemset' in the event target's element tree * @param {Event} event * @return {ItemSet | null} item */ ItemSet.itemSetFromTarget = function(event) { var target = event.target; while (target) { if (target.hasOwnProperty('timeline-itemset')) { return target['timeline-itemset']; }     target = target.parentNode; }

return null; };

module.exports = ItemSet;

/***/ }, /* 33 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var DOMutil = __webpack_require__(2); var Component = __webpack_require__(25);

/**  * Legend for Graph2d */ function Legend(body, options, side, linegraphOptions) { this.body = body; this.defaultOptions = { enabled: true, icons: true, iconSize: 20, iconSpacing: 6, left: { visible: true, position: 'top-left' // top/bottom - left,center,right },     right: { visible: true, position: 'top-left' // top/bottom - left,center,right }   }    this.side = side; this.options = util.extend({},this.defaultOptions); this.linegraphOptions = linegraphOptions;

this.svgElements = {}; this.dom = {}; this.groups = {}; this.amountOfGroups = 0; this._create;

this.setOptions(options); }

Legend.prototype = new Component;

Legend.prototype.clear = function { this.groups = {}; this.amountOfGroups = 0; }

Legend.prototype.addGroup = function(label, graphOptions) {

if (!this.groups.hasOwnProperty(label)) { this.groups[label] = graphOptions; }   this.amountOfGroups += 1; };

Legend.prototype.updateGroup = function(label, graphOptions) { this.groups[label] = graphOptions; };

Legend.prototype.removeGroup = function(label) { if (this.groups.hasOwnProperty(label)) { delete this.groups[label]; this.amountOfGroups -= 1; } };

Legend.prototype._create = function { this.dom.frame = document.createElement('div'); this.dom.frame.className = 'legend'; this.dom.frame.style.position = "absolute"; this.dom.frame.style.top = "10px"; this.dom.frame.style.display = "block";

this.dom.textArea = document.createElement('div'); this.dom.textArea.className = 'legendText'; this.dom.textArea.style.position = "relative"; this.dom.textArea.style.top = "0px";

this.svg = document.createElementNS('http://www.w3.org/2000/svg',"svg"); this.svg.style.position = 'absolute'; this.svg.style.top = 0 +'px'; this.svg.style.width = this.options.iconSize + 5 + 'px'; this.svg.style.height = '100%';

this.dom.frame.appendChild(this.svg); this.dom.frame.appendChild(this.dom.textArea); };

/**  * Hide the component from the DOM */ Legend.prototype.hide = function { // remove the frame containing the items if (this.dom.frame.parentNode) { this.dom.frame.parentNode.removeChild(this.dom.frame); } };

/**  * Show the component in the DOM (when not already visible). * @return {Boolean} changed */ Legend.prototype.show = function { // show frame containing the items if (!this.dom.frame.parentNode) { this.body.dom.center.appendChild(this.dom.frame); } };

Legend.prototype.setOptions = function(options) { var fields = ['enabled','orientation','icons','left','right']; util.selectiveDeepExtend(fields, this.options, options); };

Legend.prototype.redraw = function { var activeGroups = 0; for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { activeGroups++; }     }    }

if (this.options[this.side].visible == false || this.amountOfGroups == 0 || this.options.enabled == false || activeGroups == 0) { this.hide; }   else { this.show; if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'bottom-left') { this.dom.frame.style.left = '4px'; this.dom.frame.style.textAlign = "left"; this.dom.textArea.style.textAlign = "left"; this.dom.textArea.style.left = (this.options.iconSize + 15) + 'px'; this.dom.textArea.style.right = ''; this.svg.style.left = 0 +'px'; this.svg.style.right = ''; }     else { this.dom.frame.style.right = '4px'; this.dom.frame.style.textAlign = "right"; this.dom.textArea.style.textAlign = "right"; this.dom.textArea.style.right = (this.options.iconSize + 15) + 'px'; this.dom.textArea.style.left = ''; this.svg.style.right = 0 +'px'; this.svg.style.left = ''; }

if (this.options[this.side].position == 'top-left' || this.options[this.side].position == 'top-right') { this.dom.frame.style.top = 4 - Number(this.body.dom.center.style.top.replace("px","")) + 'px'; this.dom.frame.style.bottom = ''; }     else { var scrollableHeight = this.body.domProps.center.height - this.body.domProps.centerContainer.height; this.dom.frame.style.bottom = 4 + scrollableHeight + Number(this.body.dom.center.style.top.replace("px","")) + 'px'; this.dom.frame.style.top = ''; }

if (this.options.icons == false) { this.dom.frame.style.width = this.dom.textArea.offsetWidth + 10 + 'px'; this.dom.textArea.style.right = ''; this.dom.textArea.style.left = ''; this.svg.style.width = '0px'; }     else { this.dom.frame.style.width = this.options.iconSize + 15 + this.dom.textArea.offsetWidth + 10 + 'px' this.drawLegendIcons; }

var content = ''; for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { content += this.groups[groupId].content + ' ';         }        }      }      this.dom.textArea.innerHTML = content; this.dom.textArea.style.lineHeight = ((0.75 * this.options.iconSize) + this.options.iconSpacing) + 'px'; } };

Legend.prototype.drawLegendIcons = function { if (this.dom.frame.parentNode) { DOMutil.prepareElements(this.svgElements); var padding = window.getComputedStyle(this.dom.frame).paddingTop; var iconOffset = Number(padding.replace('px','')); var x = iconOffset; var iconWidth = this.options.iconSize; var iconHeight = 0.75 * this.options.iconSize; var y = iconOffset + 0.5 * iconHeight + 3;

this.svg.style.width = iconWidth + 5 + iconOffset + 'px';

for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { if (this.groups[groupId].visible == true && (this.linegraphOptions.visibility[groupId] === undefined || this.linegraphOptions.visibility[groupId] == true)) { this.groups[groupId].drawIcon(x, y, this.svgElements, this.svg, iconWidth, iconHeight); y += iconHeight + this.options.iconSpacing; }       }      }

DOMutil.cleanupElements(this.svgElements); } };

module.exports = Legend;

/***/ }, /* 34 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var DOMutil = __webpack_require__(2); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var Component = __webpack_require__(25); var DataAxis = __webpack_require__(28); var GraphGroup = __webpack_require__(29); var Legend = __webpack_require__(33); var BarGraphFunctions = __webpack_require__(50);

var UNGROUPED = '__ungrouped__'; // reserved group id for ungrouped items

/**  * This is the constructor of the LineGraph. It requires a Timeline body and options. *  * @param body * @param options * @constructor */ function LineGraph(body, options) { this.id = util.randomUUID; this.body = body;

this.defaultOptions = { yAxisOrientation: 'left', defaultGroup: 'default', sort: true, sampling: true, graphHeight: '400px', shaded: { enabled: false, orientation: 'bottom' // top, bottom },     style: 'line', // line, bar barChart: { width: 50, handleOverlap: 'overlap', align: 'center' // left, center, right },     catmullRom: { enabled: true, parametrization: 'centripetal', // uniform (alpha = 0.0), chordal (alpha = 1.0), centripetal (alpha = 0.5) alpha: 0.5 },     drawPoints: { enabled: true, size: 6, style: 'square' // square, circle },     dataAxis: { showMinorLabels: true, showMajorLabels: true, icons: false, width: '40px', visible: true, alignZeros: true, customRange: { left: {min:undefined, max:undefined}, right: {min:undefined, max:undefined} }       //, these options are not set by default, but this shows the format they will be in        //format: { // left: {decimals: 2}, // right: {decimals: 2} //},       //title: { // left: { //   text: 'left', //   style: 'color:black;' // },        //  right: { //   text: 'right', //   style: 'color:black;' // }        //}      },      legend: { enabled: false, icons: true, left: { visible: true, position: 'top-left' // top/bottom - left,right },       right: { visible: true, position: 'top-right' // top/bottom - left,right }     },      groups: { visibility: {} }   };

// options is shared by this ItemSet and all its items this.options = util.extend({}, this.defaultOptions); this.dom = {}; this.props = {}; this.hammer = null; this.groups = {}; this.abortedGraphUpdate = false; this.updateSVGheight = false; this.updateSVGheightOnResize = false;

var me = this; this.itemsData = null;   // DataSet this.groupsData = null;  // DataSet

// listeners for the DataSet of the items this.itemListeners = { 'add': function (event, params, senderId) { me._onAdd(params.items); },     'update': function (event, params, senderId) { me._onUpdate(params.items); },     'remove': function (event, params, senderId) { me._onRemove(params.items); }   };

// listeners for the DataSet of the groups this.groupListeners = { 'add': function (event, params, senderId) { me._onAddGroups(params.items); },     'update': function (event, params, senderId) { me._onUpdateGroups(params.items); },     'remove': function (event, params, senderId) { me._onRemoveGroups(params.items); }   };

this.items = {};     // object with an Item for every data item this.selection = []; // list with the ids of all selected nodes this.lastStart = this.body.range.start; this.touchParams = {}; // stores properties while dragging

this.svgElements = {}; this.setOptions(options); this.groupsUsingDefaultStyles = [0]; this.COUNTER = 0; this.body.emitter.on('rangechanged', function {     me.lastStart = me.body.range.start;      me.svg.style.left = util.option.asSize(-me.props.width);      me.redraw.call(me,true);    });

// create the HTML DOM this._create; this.framework = {svg: this.svg, svgElements: this.svgElements, options: this.options, groups: this.groups}; this.body.emitter.emit('change');

}

LineGraph.prototype = new Component;

/**  * Create the HTML DOM for the ItemSet */ LineGraph.prototype._create = function{ var frame = document.createElement('div'); frame.className = 'LineGraph'; this.dom.frame = frame;

// create svg element for graph drawing. this.svg = document.createElementNS('http://www.w3.org/2000/svg','svg'); this.svg.style.position = 'relative'; this.svg.style.height = ( + this.options.graphHeight).replace('px',) + 'px'; this.svg.style.display = 'block'; frame.appendChild(this.svg);

// data axis this.options.dataAxis.orientation = 'left'; this.yAxisLeft = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups);

this.options.dataAxis.orientation = 'right'; this.yAxisRight = new DataAxis(this.body, this.options.dataAxis, this.svg, this.options.groups); delete this.options.dataAxis.orientation;

// legends this.legendLeft = new Legend(this.body, this.options.legend, 'left', this.options.groups); this.legendRight = new Legend(this.body, this.options.legend, 'right', this.options.groups);

this.show; };

/**  * set the options of the LineGraph. the mergeOptions is used for subObjects that have an enabled element. * @param {object} options */ LineGraph.prototype.setOptions = function(options) { if (options) { var fields = ['sampling','defaultGroup','height','graphHeight','yAxisOrientation','style','barChart','dataAxis','sort','groups']; if (options.graphHeight === undefined && options.height !== undefined && this.body.domProps.centerContainer.height !== undefined) { this.updateSVGheight = true; this.updateSVGheightOnResize = true; }     else if (this.body.domProps.centerContainer.height !== undefined && options.graphHeight !== undefined) { if (parseInt((options.graphHeight + ).replace("px",)) < this.body.domProps.centerContainer.height) { this.updateSVGheight = true; }     }      util.selectiveDeepExtend(fields, this.options, options); util.mergeOptions(this.options, options,'catmullRom'); util.mergeOptions(this.options, options,'drawPoints'); util.mergeOptions(this.options, options,'shaded'); util.mergeOptions(this.options, options,'legend');

if (options.catmullRom) { if (typeof options.catmullRom == 'object') { if (options.catmullRom.parametrization) { if (options.catmullRom.parametrization == 'uniform') { this.options.catmullRom.alpha = 0; }           else if (options.catmullRom.parametrization == 'chordal') { this.options.catmullRom.alpha = 1.0; }           else { this.options.catmullRom.parametrization = 'centripetal'; this.options.catmullRom.alpha = 0.5; }         }        }      }

if (this.yAxisLeft) { if (options.dataAxis !== undefined) { this.yAxisLeft.setOptions(this.options.dataAxis); this.yAxisRight.setOptions(this.options.dataAxis); }     }

if (this.legendLeft) { if (options.legend !== undefined) { this.legendLeft.setOptions(this.options.legend); this.legendRight.setOptions(this.options.legend); }     }

if (this.groups.hasOwnProperty(UNGROUPED)) { this.groups[UNGROUPED].setOptions(options); }   }

// this is used to redraw the graph if the visibility of the groups is changed. if (this.dom.frame) { this.redraw(true); } };

/**  * Hide the component from the DOM */ LineGraph.prototype.hide = function { // remove the frame containing the items if (this.dom.frame.parentNode) { this.dom.frame.parentNode.removeChild(this.dom.frame); } };

/**  * Show the component in the DOM (when not already visible). * @return {Boolean} changed */ LineGraph.prototype.show = function { // show frame containing the items if (!this.dom.frame.parentNode) { this.body.dom.center.appendChild(this.dom.frame); } };

/**  * Set items * @param {vis.DataSet | null} items */ LineGraph.prototype.setItems = function(items) { var me = this, ids, oldItemsData = this.itemsData;

// replace the dataset if (!items) { this.itemsData = null; }   else if (items instanceof DataSet || items instanceof DataView) { this.itemsData = items; }   else { throw new TypeError('Data must be an instance of DataSet or DataView'); }

if (oldItemsData) { // unsubscribe from old dataset util.forEach(this.itemListeners, function (callback, event) {       oldItemsData.off(event, callback);      });

// remove all drawn items ids = oldItemsData.getIds; this._onRemove(ids); }

if (this.itemsData) { // subscribe to new dataset var id = this.id; util.forEach(this.itemListeners, function (callback, event) {       me.itemsData.on(event, callback, id);      });

// add all new items ids = this.itemsData.getIds; this._onAdd(ids); }   this._updateUngrouped; //this._updateGraph; this.redraw(true); };

/**  * Set groups * @param {vis.DataSet} groups */ LineGraph.prototype.setGroups = function(groups) { var me = this; var ids;

// unsubscribe from current dataset if (this.groupsData) { util.forEach(this.groupListeners, function (callback, event) {       me.groupsData.unsubscribe(event, callback);      });

// remove all drawn groups ids = this.groupsData.getIds; this.groupsData = null; this._onRemoveGroups(ids); // note: this will cause a redraw }

// replace the dataset if (!groups) { this.groupsData = null; }   else if (groups instanceof DataSet || groups instanceof DataView) { this.groupsData = groups; }   else { throw new TypeError('Data must be an instance of DataSet or DataView'); }

if (this.groupsData) { // subscribe to new dataset var id = this.id; util.forEach(this.groupListeners, function (callback, event) {       me.groupsData.on(event, callback, id);      });

// draw all ms     ids = this.groupsData.getIds; this._onAddGroups(ids); }   this._onUpdate; };

/**  * Update the data * @param [ids] * @private */ LineGraph.prototype._onUpdate = function(ids) { this._updateUngrouped; this._updateAllGroupData; //this._updateGraph; this.redraw(true); }; LineGraph.prototype._onAdd          = function (ids) {this._onUpdate(ids);}; LineGraph.prototype._onRemove      = function (ids) {this._onUpdate(ids);}; LineGraph.prototype._onUpdateGroups = function (groupIds) { for (var i = 0; i < groupIds.length; i++) { var group = this.groupsData.get(groupIds[i]); this._updateGroup(group, groupIds[i]); }

//this._updateGraph; this.redraw(true); }; LineGraph.prototype._onAddGroups = function (groupIds) {this._onUpdateGroups(groupIds);};

/**  * this cleans the group out off the legends and the dataaxis, updates the ungrouped and updates the graph * @param {Array} groupIds * @private */ LineGraph.prototype._onRemoveGroups = function (groupIds) { for (var i = 0; i < groupIds.length; i++) { if (this.groups.hasOwnProperty(groupIds[i])) { if (this.groups[groupIds[i]].options.yAxisOrientation == 'right') { this.yAxisRight.removeGroup(groupIds[i]); this.legendRight.removeGroup(groupIds[i]); this.legendRight.redraw; }       else { this.yAxisLeft.removeGroup(groupIds[i]); this.legendLeft.removeGroup(groupIds[i]); this.legendLeft.redraw; }       delete this.groups[groupIds[i]]; }   }    this._updateUngrouped; //this._updateGraph; this.redraw(true); };

/**  * update a group object with the group dataset entree *  * @param group * @param groupId * @private */ LineGraph.prototype._updateGroup = function (group, groupId) { if (!this.groups.hasOwnProperty(groupId)) { this.groups[groupId] = new GraphGroup(group, groupId, this.options, this.groupsUsingDefaultStyles); if (this.groups[groupId].options.yAxisOrientation == 'right') { this.yAxisRight.addGroup(groupId, this.groups[groupId]); this.legendRight.addGroup(groupId, this.groups[groupId]); }     else { this.yAxisLeft.addGroup(groupId, this.groups[groupId]); this.legendLeft.addGroup(groupId, this.groups[groupId]); }   }    else { this.groups[groupId].update(group); if (this.groups[groupId].options.yAxisOrientation == 'right') { this.yAxisRight.updateGroup(groupId, this.groups[groupId]); this.legendRight.updateGroup(groupId, this.groups[groupId]); }     else { this.yAxisLeft.updateGroup(groupId, this.groups[groupId]); this.legendLeft.updateGroup(groupId, this.groups[groupId]); }   }    this.legendLeft.redraw; this.legendRight.redraw; };

/**  * this updates all groups, it is used when there is an update the the itemset. *  * @private */ LineGraph.prototype._updateAllGroupData = function  { if (this.itemsData != null) { var groupsContent = {}; var groupId; for (groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { groupsContent[groupId] = []; }     }      for (var itemId in this.itemsData._data) { if (this.itemsData._data.hasOwnProperty(itemId)) { var item = this.itemsData._data[itemId]; if (groupsContent[item.group] === undefined) { throw new Error('Cannot find referenced group. Possible reason: items added before groups? Groups need to be added before items, as items refer to groups.') }         item.x = util.convert(item.x,'Date'); groupsContent[item.group].push(item); }     }      for (groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { this.groups[groupId].setItems(groupsContent[groupId]); }     }    }  };

/**  * Create or delete the group holding all ungrouped items. This group is used when * there are no groups specified. This anonymous group is called 'graph'. * @protected */ LineGraph.prototype._updateUngrouped = function { if (this.itemsData && this.itemsData != null) { var ungroupedCounter = 0; for (var itemId in this.itemsData._data) { if (this.itemsData._data.hasOwnProperty(itemId)) { var item = this.itemsData._data[itemId]; if (item != undefined) { if (item.hasOwnProperty('group')) { if (item.group === undefined) { item.group = UNGROUPED; }           }            else { item.group = UNGROUPED; }           ungroupedCounter = item.group == UNGROUPED ? ungroupedCounter + 1 : ungroupedCounter; }       }      }

if (ungroupedCounter == 0) { delete this.groups[UNGROUPED]; this.legendLeft.removeGroup(UNGROUPED); this.legendRight.removeGroup(UNGROUPED); this.yAxisLeft.removeGroup(UNGROUPED); this.yAxisRight.removeGroup(UNGROUPED); }     else { var group = {id: UNGROUPED, content: this.options.defaultGroup}; this._updateGroup(group, UNGROUPED); }   }    else { delete this.groups[UNGROUPED]; this.legendLeft.removeGroup(UNGROUPED); this.legendRight.removeGroup(UNGROUPED); this.yAxisLeft.removeGroup(UNGROUPED); this.yAxisRight.removeGroup(UNGROUPED); }

this.legendLeft.redraw; this.legendRight.redraw; };

/**  * Redraw the component, mandatory function * @return {boolean} Returns true if the component is resized */ LineGraph.prototype.redraw = function(forceGraphUpdate) { var resized = false;

// calculate actual size and position this.props.width = this.dom.frame.offsetWidth; this.props.height = this.body.domProps.centerContainer.height;

// update the graph if there is no lastWidth or with, used for the initial draw if (this.lastWidth === undefined && this.props.width) { forceGraphUpdate = true; }

// check if this component is resized resized = this._isResized || resized;

// check whether zoomed (in that case we need to re-stack everything) var visibleInterval = this.body.range.end - this.body.range.start; var zoomed = (visibleInterval != this.lastVisibleInterval); this.lastVisibleInterval = visibleInterval;

// the svg element is three times as big as the width, this allows for fully dragging left and right // without reloading the graph. the controls for this are bound to events in the constructor if (resized == true) { this.svg.style.width = util.option.asSize(3*this.props.width); this.svg.style.left = util.option.asSize(-this.props.width);

// if the height of the graph is set as proportional, change the height of the svg if ((this.options.height + '').indexOf("%") != -1 || this.updateSVGheightOnResize == true) { this.updateSVGheight = true; }   }

// update the height of the graph on each redraw of the graph. if (this.updateSVGheight == true) { if (this.options.graphHeight != this.body.domProps.centerContainer.height + 'px') { this.options.graphHeight = this.body.domProps.centerContainer.height + 'px'; this.svg.style.height = this.body.domProps.centerContainer.height + 'px'; }     this.updateSVGheight = false; }   else { this.svg.style.height = ( + this.options.graphHeight).replace('px',) + 'px'; }

// zoomed is here to ensure that animations are shown correctly. if (resized == true || zoomed == true || this.abortedGraphUpdate == true || forceGraphUpdate == true) { resized = this._updateGraph || resized; }   else { // move the whole svg while dragging if (this.lastStart != 0) { var offset = this.body.range.start - this.lastStart; var range = this.body.range.end - this.body.range.start; if (this.props.width != 0) { var rangePerPixelInv = this.props.width/range; var xOffset = offset * rangePerPixelInv; this.svg.style.left = (-this.props.width - xOffset) + 'px'; }     }    }

this.legendLeft.redraw; this.legendRight.redraw; return resized; };

/**  * Update and redraw the graph. *  */  LineGraph.prototype._updateGraph = function  { // reset the svg elements DOMutil.prepareElements(this.svgElements); if (this.props.width != 0 && this.itemsData != null) { var group, i;     var preprocessedGroupData = {}; var processedGroupData = {}; var groupRanges = {}; var changeCalled = false;

// getting group Ids var groupIds = []; for (var groupId in this.groups) { if (this.groups.hasOwnProperty(groupId)) { group = this.groups[groupId]; if (group.visible == true && (this.options.groups.visibility[groupId] === undefined || this.options.groups.visibility[groupId] == true)) { groupIds.push(groupId); }       }      }      if (groupIds.length > 0) { // this is the range of the SVG canvas var minDate = this.body.util.toGlobalTime(-this.body.domProps.root.width); var maxDate = this.body.util.toGlobalTime(2 * this.body.domProps.root.width); var groupsData = {}; // fill groups data, this only loads the data we require based on the timewindow this._getRelevantData(groupIds, groupsData, minDate, maxDate);

// apply sampling, if disabled, it will pass through this function. this._applySampling(groupIds, groupsData);

// we transform the X coordinates to detect collisions for (i = 0; i < groupIds.length; i++) { preprocessedGroupData[groupIds[i]] = this._convertXcoordinates(groupsData[groupIds[i]]); }

// now all needed data has been collected we start the processing. this._getYRanges(groupIds, preprocessedGroupData, groupRanges);

// update the Y axis first, we use this data to draw at the correct Y points // changeCalled is required to clean the SVG on a change emit. changeCalled = this._updateYAxis(groupIds, groupRanges); var MAX_CYCLES = 5; if (changeCalled == true && this.COUNTER < MAX_CYCLES) { DOMutil.cleanupElements(this.svgElements); this.abortedGraphUpdate = true; this.COUNTER++; this.body.emitter.emit('change'); return true; }       else { if (this.COUNTER > MAX_CYCLES) { console.log("WARNING: there may be an infinite loop in the _updateGraph emitter cycle.") }         this.COUNTER = 0; this.abortedGraphUpdate = false;

// With the yAxis scaled correctly, use this to get the Y values of the points. for (i = 0; i < groupIds.length; i++) { group = this.groups[groupIds[i]]; processedGroupData[groupIds[i]] = this._convertYcoordinates(groupsData[groupIds[i]], group); }

// draw the groups for (i = 0; i < groupIds.length; i++) { group = this.groups[groupIds[i]]; if (group.options.style != 'bar') { // bar needs to be drawn enmasse group.draw(processedGroupData[groupIds[i]], group, this.framework); }         }          BarGraphFunctions.draw(groupIds, processedGroupData, this.framework); }     }    }

// cleanup unused svg elements DOMutil.cleanupElements(this.svgElements); return false; };

/**  * first select and preprocess the data from the datasets. * the groups have their preselection of data, we now loop over this data to see * what data we need to draw. Sorted data is much faster. * more optimization is possible by doing the sampling before and using the binary search * to find the end date to determine the increment. *  * @param {array}  groupIds * @param {object} groupsData * @param {date}  minDate * @param {date}  maxDate * @private */ LineGraph.prototype._getRelevantData = function (groupIds, groupsData, minDate, maxDate) { var group, i, j, item; if (groupIds.length > 0) { for (i = 0; i < groupIds.length; i++) { group = this.groups[groupIds[i]]; groupsData[groupIds[i]] = []; var dataContainer = groupsData[groupIds[i]]; // optimization for sorted data if (group.options.sort == true) { var guess = Math.max(0, util.binarySearchValue(group.itemsData, minDate, 'x', 'before')); for (j = guess; j < group.itemsData.length; j++) { item = group.itemsData[j]; if (item !== undefined) { if (item.x > maxDate) { dataContainer.push(item); break; }             else { dataContainer.push(item); }           }          }        }        else { for (j = 0; j < group.itemsData.length; j++) { item = group.itemsData[j]; if (item !== undefined) { if (item.x > minDate && item.x < maxDate) { dataContainer.push(item); }           }          }        }      }    }  };

/**  *   * @param groupIds * @param groupsData * @private */ LineGraph.prototype._applySampling = function (groupIds, groupsData) { var group; if (groupIds.length > 0) { for (var i = 0; i < groupIds.length; i++) { group = this.groups[groupIds[i]]; if (group.options.sampling == true) { var dataContainer = groupsData[groupIds[i]]; if (dataContainer.length > 0) { var increment = 1; var amountOfPoints = dataContainer.length;

// the global screen is used because changing the width of the yAxis may affect the increment, resulting in an endless loop // of width changing of the yAxis. var xDistance = this.body.util.toGlobalScreen(dataContainer[dataContainer.length - 1].x) - this.body.util.toGlobalScreen(dataContainer[0].x); var pointsPerPixel = amountOfPoints / xDistance; increment = Math.min(Math.ceil(0.2 * amountOfPoints), Math.max(1, Math.round(pointsPerPixel)));

var sampledData = []; for (var j = 0; j < amountOfPoints; j += increment) { sampledData.push(dataContainer[j]);

}           groupsData[groupIds[i]] = sampledData; }       }      }    }  };

/**  *   *   * @param {array}  groupIds * @param {object} groupsData * @param {object} groupRanges | this is being filled here * @private */ LineGraph.prototype._getYRanges = function (groupIds, groupsData, groupRanges) { var groupData, group, i;   var barCombinedDataLeft = []; var barCombinedDataRight = []; var options; if (groupIds.length > 0) { for (i = 0; i < groupIds.length; i++) { groupData = groupsData[groupIds[i]]; options = this.groups[groupIds[i]].options; if (groupData.length > 0) { group = this.groups[groupIds[i]]; // if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. if (options.barChart.handleOverlap == 'stack' && options.style == 'bar') { if (options.yAxisOrientation == 'left') {barCombinedDataLeft = barCombinedDataLeft.concat(group.getYRange(groupData)) ;} else                                   {barCombinedDataRight = barCombinedDataRight.concat(group.getYRange(groupData));} }         else { groupRanges[groupIds[i]] = group.getYRange(groupData,groupIds[i]); }       }      }

// if bar graphs are stacked, their range need to be handled differently and accumulated over all groups. BarGraphFunctions.getStackedBarYRange(barCombinedDataLeft, groupRanges, groupIds, '__barchartLeft' , 'left' ); BarGraphFunctions.getStackedBarYRange(barCombinedDataRight, groupRanges, groupIds, '__barchartRight', 'right'); } };

/**  * this sets the Y ranges for the Y axis. It also determines which of the axis should be shown or hidden. * @param {Array} groupIds * @param {Object} groupRanges * @private */ LineGraph.prototype._updateYAxis = function (groupIds, groupRanges) { var resized = false; var yAxisLeftUsed = false; var yAxisRightUsed = false; var minLeft = 1e9, minRight = 1e9, maxLeft = -1e9, maxRight = -1e9, minVal, maxVal; // if groups are present if (groupIds.length > 0) { // this is here to make sure that if there are no items in the axis but there are groups, that there is no infinite draw/redraw loop. for (var i = 0; i < groupIds.length; i++) { var group = this.groups[groupIds[i]]; if (group && group.options.yAxisOrientation != 'right') { yAxisLeftUsed = true; minLeft = 0; maxLeft = 0; }       else if (group && group.options.yAxisOrientation) { yAxisRightUsed = true; minRight = 0; maxRight = 0; }     }

// if there are items: for (var i = 0; i < groupIds.length; i++) { if (groupRanges.hasOwnProperty(groupIds[i])) { if (groupRanges[groupIds[i]].ignore !== true) { minVal = groupRanges[groupIds[i]].min; maxVal = groupRanges[groupIds[i]].max;

if (groupRanges[groupIds[i]].yAxisOrientation != 'right') { yAxisLeftUsed = true; minLeft = minLeft > minVal ? minVal : minLeft; maxLeft = maxLeft < maxVal ? maxVal : maxLeft; }           else { yAxisRightUsed = true; minRight = minRight > minVal ? minVal : minRight; maxRight = maxRight < maxVal ? maxVal : maxRight; }         }        }      }

if (yAxisLeftUsed == true) { this.yAxisLeft.setRange(minLeft, maxLeft); }     if (yAxisRightUsed == true) { this.yAxisRight.setRange(minRight, maxRight); }   }    resized = this._toggleAxisVisiblity(yAxisLeftUsed, this.yAxisLeft)  || resized; resized = this._toggleAxisVisiblity(yAxisRightUsed, this.yAxisRight) || resized;

if (yAxisRightUsed == true && yAxisLeftUsed == true) { this.yAxisLeft.drawIcons = true; this.yAxisRight.drawIcons = true; }   else { this.yAxisLeft.drawIcons = false; this.yAxisRight.drawIcons = false; }   this.yAxisRight.master = !yAxisLeftUsed; if (this.yAxisRight.master == false) { if (yAxisRightUsed == true) {this.yAxisLeft.lineOffset = this.yAxisRight.width;} else                       {this.yAxisLeft.lineOffset = 0;}

resized = this.yAxisLeft.redraw || resized; this.yAxisRight.stepPixelsForced = this.yAxisLeft.stepPixels; this.yAxisRight.zeroCrossing = this.yAxisLeft.zeroCrossing; resized = this.yAxisRight.redraw || resized; }   else { resized = this.yAxisRight.redraw || resized; }

// clean the accumulated lists if (groupIds.indexOf('__barchartLeft') != -1) { groupIds.splice(groupIds.indexOf('__barchartLeft'),1); }   if (groupIds.indexOf('__barchartRight') != -1) { groupIds.splice(groupIds.indexOf('__barchartRight'),1); }

return resized; };

/**  * This shows or hides the Y axis if needed. If there is a change, the changed event is emitted by the updateYAxis function *  * @param {boolean} axisUsed * @returns {boolean} * @private * @param axis */ LineGraph.prototype._toggleAxisVisiblity = function (axisUsed, axis) { var changed = false; if (axisUsed == false) { if (axis.dom.frame.parentNode && axis.hidden == false) { axis.hide changed = true; }   }    else { if (!axis.dom.frame.parentNode && axis.hidden == true) { axis.show; changed = true; }   }    return changed; };

/**  * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for * the yAxis. *  * @param datapoints * @returns {Array} * @private */ LineGraph.prototype._convertXcoordinates = function (datapoints) { var extractedData = []; var xValue, yValue; var toScreen = this.body.util.toScreen;

for (var i = 0; i < datapoints.length; i++) { xValue = toScreen(datapoints[i].x) + this.props.width; yValue = datapoints[i].y;     extractedData.push({x: xValue, y: yValue}); }

return extractedData; };

/**  * This uses the DataAxis object to generate the correct X coordinate on the SVG window. It uses the * util function toScreen to get the x coordinate from the timestamp. It also pre-filters the data and get the minMax ranges for * the yAxis. *  * @param datapoints * @param group * @returns {Array} * @private */ LineGraph.prototype._convertYcoordinates = function (datapoints, group) { var extractedData = []; var xValue, yValue; var toScreen = this.body.util.toScreen; var axis = this.yAxisLeft; var svgHeight = Number(this.svg.style.height.replace('px','')); if (group.options.yAxisOrientation == 'right') { axis = this.yAxisRight; }

for (var i = 0; i < datapoints.length; i++) { var labelValue; //if (datapoints[i].label) { //   labelValue = datapoints[i].label; //}     //else { // labelValue = null; //}     labelValue = datapoints[i].label ? datapoints[i].label : null; xValue = toScreen(datapoints[i].x) + this.props.width; yValue = Math.round(axis.convertValue(datapoints[i].y)); extractedData.push({x: xValue, y: yValue, label:labelValue}); }

group.setZeroPosition(Math.min(svgHeight, axis.convertValue(0)));

return extractedData; };

module.exports = LineGraph;

/***/ }, /* 35 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Component = __webpack_require__(25); var TimeStep = __webpack_require__(19); var DateUtil = __webpack_require__(15); var moment = __webpack_require__(44);

/**  * A horizontal time axis * @param 🇩🇴 body * @param {Object} [options]       See TimeAxis.setOptions for the available *                                 options. * @constructor TimeAxis * @extends Component */ function TimeAxis (body, options) { this.dom = { foreground: null, lines: [], majorTexts: [], minorTexts: [], redundant: { lines: [], majorTexts: [], minorTexts: [] }   };    this.props = { range: { start: 0, end: 0, minimumStep: 0 },     lineTop: 0 };

this.defaultOptions = { orientation: 'bottom', // axis orientation: 'top' or 'bottom' showMinorLabels: true, showMajorLabels: true, format: null, timeAxis: null };   this.options = util.extend({}, this.defaultOptions);

this.body = body;

// create the HTML DOM this._create;

this.setOptions(options); }

TimeAxis.prototype = new Component;

/**  * Set options for the TimeAxis. * Parameters will be merged in current options. * @param {Object} options Available options: *                         {string} [orientation] *                         {boolean} [showMinorLabels] *                         {boolean} [showMajorLabels] */ TimeAxis.prototype.setOptions = function(options) { if (options) { // copy all options that we know util.selectiveExtend([       'showMinorLabels',        'showMajorLabels',        'hiddenDates',        'format',        'timeAxis'      ], this.options, options);

if ('orientation' in options) { if (typeof options.orientation === 'string') { this.options.orientation = options.orientation; }       else if (typeof options.orientation === 'object' && 'axis' in options.orientation) { this.options.orientation = options.orientation.axis; }     }

// apply locale to moment.js     // TODO: not so nice, this is applied globally to moment.js      if ('locale' in options) { if (typeof moment.locale === 'function') { // moment.js 2.8.1+ moment.locale(options.locale); }       else { moment.lang(options.locale); }     }    }  };

/**  * Create the HTML DOM for the TimeAxis */ TimeAxis.prototype._create = function { this.dom.foreground = document.createElement('div'); this.dom.background = document.createElement('div');

this.dom.foreground.className = 'timeaxis foreground'; this.dom.background.className = 'timeaxis background'; };

/**  * Destroy the TimeAxis */ TimeAxis.prototype.destroy = function { // remove from DOM if (this.dom.foreground.parentNode) { this.dom.foreground.parentNode.removeChild(this.dom.foreground); }   if (this.dom.background.parentNode) { this.dom.background.parentNode.removeChild(this.dom.background); }

this.body = null; };

/**  * Repaint the component * @return {boolean} Returns true if the component is resized */ TimeAxis.prototype.redraw = function  { var options = this.options; var props = this.props; var foreground = this.dom.foreground; var background = this.dom.background;

// determine the correct parent DOM element (depending on option orientation) var parent = (options.orientation == 'top') ? this.body.dom.top : this.body.dom.bottom; var parentChanged = (foreground.parentNode !== parent);

// calculate character width and height this._calculateCharSize;

// TODO: recalculate sizes only needed when parent is resized or options is changed var showMinorLabels = this.options.showMinorLabels; var showMajorLabels = this.options.showMajorLabels;

// determine the width and height of the elemens for the axis props.minorLabelHeight = showMinorLabels ? props.minorCharHeight : 0; props.majorLabelHeight = showMajorLabels ? props.majorCharHeight : 0; props.height = props.minorLabelHeight + props.majorLabelHeight; props.width = foreground.offsetWidth;

props.minorLineHeight = this.body.domProps.root.height - props.majorLabelHeight - (options.orientation == 'top' ? this.body.domProps.bottom.height : this.body.domProps.top.height); props.minorLineWidth = 1; // TODO: really calculate width props.majorLineHeight = props.minorLineHeight + props.majorLabelHeight; props.majorLineWidth = 1; // TODO: really calculate width

// take foreground and background offline while updating (is almost twice as fast) var foregroundNextSibling = foreground.nextSibling; var backgroundNextSibling = background.nextSibling; foreground.parentNode && foreground.parentNode.removeChild(foreground); background.parentNode && background.parentNode.removeChild(background);

foreground.style.height = this.props.height + 'px';

this._repaintLabels;

// put DOM online again (at the same place) if (foregroundNextSibling) { parent.insertBefore(foreground, foregroundNextSibling); }   else { parent.appendChild(foreground) }   if (backgroundNextSibling) { this.body.dom.backgroundVertical.insertBefore(background, backgroundNextSibling); }   else { this.body.dom.backgroundVertical.appendChild(background) }

return this._isResized || parentChanged; };

/**  * Repaint major and minor text labels and vertical grid lines * @private */ TimeAxis.prototype._repaintLabels = function  { var orientation = this.options.orientation;

// calculate range and step (step such that we have space for 7 characters per label) var start = util.convert(this.body.range.start, 'Number'); var end = util.convert(this.body.range.end, 'Number'); var timeLabelsize = this.body.util.toTime((this.props.minorCharWidth || 10) * 7).valueOf; var minimumStep = timeLabelsize - DateUtil.getHiddenDurationBefore(this.body.hiddenDates, this.body.range, timeLabelsize); minimumStep -= this.body.util.toTime(0).valueOf;

var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates); if (this.options.format) { step.setFormat(this.options.format); }   if (this.options.timeAxis) { step.setScale(this.options.timeAxis); }   this.step = step;

// Move all DOM elements to a "redundant" list, where they // can be picked for re-use, and clear the lists with lines and texts. // At the end of the function _repaintLabels, left over elements will be cleaned up   var dom = this.dom; dom.redundant.lines = dom.lines; dom.redundant.majorTexts = dom.majorTexts; dom.redundant.minorTexts = dom.minorTexts; dom.lines = []; dom.majorTexts = []; dom.minorTexts = [];

var cur; var x = 0; var isMajor; var xPrev = 0; var width = 0; var prevLine; var xFirstMajorLabel = undefined; var max = 0; var className;

step.first; while (step.hasNext && max < 1000) { max++;

cur = step.getCurrent; isMajor = step.isMajor; className = step.getClassName;

xPrev = x;     x = this.body.util.toScreen(cur); width = x - xPrev; if (prevLine) { prevLine.style.width = width + 'px'; }

if (this.options.showMinorLabels) { this._repaintMinorText(x, step.getLabelMinor, orientation, className); }

if (isMajor && this.options.showMajorLabels) { if (x > 0) { if (xFirstMajorLabel == undefined) { xFirstMajorLabel = x;         } this._repaintMajorText(x, step.getLabelMajor, orientation, className); }       prevLine = this._repaintMajorLine(x, orientation, className); }     else { prevLine = this._repaintMinorLine(x, orientation, className); }

step.next; }

// create a major label on the left when needed if (this.options.showMajorLabels) { var leftTime = this.body.util.toTime(0), leftText = step.getLabelMajor(leftTime), widthText = leftText.length * (this.props.majorCharWidth || 10) + 10; // upper bound estimation

if (xFirstMajorLabel == undefined || widthText < xFirstMajorLabel) { this._repaintMajorText(0, leftText, orientation, className); }   }

// Cleanup leftover DOM elements from the redundant list util.forEach(this.dom.redundant, function (arr) {     while (arr.length) {        var elem = arr.pop;        if (elem && elem.parentNode) {          elem.parentNode.removeChild(elem);        }      }    }); };

/**  * Create a minor label for the axis at position x   * @param {Number} x   * @param {String} text * @param {String} orientation  "top" or "bottom" (default) * @param {String} className * @private */ TimeAxis.prototype._repaintMinorText = function (x, text, orientation, className) { // reuse redundant label var label = this.dom.redundant.minorTexts.shift;

if (!label) { // create new label var content = document.createTextNode(''); label = document.createElement('div'); label.appendChild(content); this.dom.foreground.appendChild(label); }   this.dom.minorTexts.push(label);

label.childNodes[0].nodeValue = text;

label.style.top = (orientation == 'top') ? (this.props.majorLabelHeight + 'px') : '0'; label.style.left = x + 'px'; label.className = 'text minor ' + className; //label.title = title; // TODO: this is a heavy operation };

/**  * Create a Major label for the axis at position x   * @param {Number} x   * @param {String} text * @param {String} orientation  "top" or "bottom" (default) * @param {String} className * @private */ TimeAxis.prototype._repaintMajorText = function (x, text, orientation, className) { // reuse redundant label var label = this.dom.redundant.majorTexts.shift;

if (!label) { // create label var content = document.createTextNode(text); label = document.createElement('div'); label.appendChild(content); this.dom.foreground.appendChild(label); }   this.dom.majorTexts.push(label);

label.childNodes[0].nodeValue = text; label.className = 'text major ' + className; //label.title = title; // TODO: this is a heavy operation

label.style.top = (orientation == 'top') ? '0' : (this.props.minorLabelHeight + 'px'); label.style.left = x + 'px'; };

/**  * Create a minor line for the axis at position x   * @param {Number} x   * @param {String} orientation   "top" or "bottom" (default) * @param {String} className * @return {Element} Returns the created line * @private */ TimeAxis.prototype._repaintMinorLine = function (x, orientation, className) { // reuse redundant line var line = this.dom.redundant.lines.shift; if (!line) { // create vertical line line = document.createElement('div'); this.dom.background.appendChild(line); }   this.dom.lines.push(line);

var props = this.props; if (orientation == 'top') { line.style.top = props.majorLabelHeight + 'px'; }   else { line.style.top = this.body.domProps.top.height + 'px'; }   line.style.height = props.minorLineHeight + 'px'; line.style.left = (x - props.minorLineWidth / 2) + 'px';

line.className = 'grid vertical minor ' + className;

return line; };

/**  * Create a Major line for the axis at position x   * @param {Number} x   * @param {String} orientation   "top" or "bottom" (default) * @param {String} className * @return {Element} Returns the created line * @private */ TimeAxis.prototype._repaintMajorLine = function (x, orientation, className) { // reuse redundant line var line = this.dom.redundant.lines.shift; if (!line) { // create vertical line line = document.createElement('div'); this.dom.background.appendChild(line); }   this.dom.lines.push(line);

var props = this.props; if (orientation == 'top') { line.style.top = '0'; }   else { line.style.top = this.body.domProps.top.height + 'px'; }   line.style.left = (x - props.majorLineWidth / 2) + 'px'; line.style.height = props.majorLineHeight + 'px';

line.className = 'grid vertical major ' + className;

return line; };

/**  * Determine the size of text on the axis (both major and minor axis). * The size is calculated only once and then cached in this.props. * @private */ TimeAxis.prototype._calculateCharSize = function  { // Note: We calculate char size with every redraw. Size may change, for // example when any of the timelines parents had display:none for example.

// determine the char width and height on the minor axis if (!this.dom.measureCharMinor) { this.dom.measureCharMinor = document.createElement('DIV'); this.dom.measureCharMinor.className = 'text minor measure'; this.dom.measureCharMinor.style.position = 'absolute';

this.dom.measureCharMinor.appendChild(document.createTextNode('0')); this.dom.foreground.appendChild(this.dom.measureCharMinor); }   this.props.minorCharHeight = this.dom.measureCharMinor.clientHeight; this.props.minorCharWidth = this.dom.measureCharMinor.clientWidth;

// determine the char width and height on the major axis if (!this.dom.measureCharMajor) { this.dom.measureCharMajor = document.createElement('DIV'); this.dom.measureCharMajor.className = 'text major measure'; this.dom.measureCharMajor.style.position = 'absolute';

this.dom.measureCharMajor.appendChild(document.createTextNode('0')); this.dom.foreground.appendChild(this.dom.measureCharMajor); }   this.props.majorCharHeight = this.dom.measureCharMajor.clientHeight; this.props.majorCharWidth = this.dom.measureCharMajor.clientWidth; };

module.exports = TimeAxis;

/***/ }, /* 36 */ /***/ function(module, exports, __webpack_require__) {

var Emitter = __webpack_require__(56); var Hammer = __webpack_require__(45); var keycharm = __webpack_require__(57); var util = __webpack_require__(1); var hammerUtil = __webpack_require__(47); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var dotparser = __webpack_require__(42); var gephiParser = __webpack_require__(43); var Groups = __webpack_require__(38); var Images = __webpack_require__(39); var Node = __webpack_require__(40); var Edge = __webpack_require__(37); var Popup = __webpack_require__(41); var MixinLoader = __webpack_require__(52); var Activator = __webpack_require__(53); var locales = __webpack_require__(54);

// Load custom shapes into CanvasRenderingContext2D __webpack_require__(55);

/**  * @constructor Network * Create a network visualization, displaying nodes and edges. *  * @param {Element} container   The DOM element in which the Network will *                                 be created. Normally a div element. * @param {Object} data        An object containing parameters *                             {Array} nodes *                             {Array} edges * @param {Object} options     Options */ function Network (container, data, options) { if (!(this instanceof Network)) { throw new SyntaxError('Constructor must be called with the new operator'); }

this._determineBrowserMethod; this._initializeMixinLoaders;

// create variables and set default values this.containerElement = container;

// render and calculation settings this.renderRefreshRate = 60;                        // hz (fps) this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on   this.renderTime = 0;                                 // measured time it takes to render a frame this.physicsTime = 0;                               // measured time it takes to render a frame this.runDoubleSpeed = false; this.physicsDiscreteStepsize = 0.50;                // discrete stepsize of the simulation

this.initializing = true;

this.triggerFunctions = {add:null,edit:null,editEdge:null,connect:null,del:null};

var customScalingFunction = function (min,max,total,value) { if (max == min) { return 0.5; }     else { var scale = 1 / (max - min); return Math.max(0,(value - min)*scale); }   };    // set constant values this.defaultOptions = { nodes: { customScalingFunction: customScalingFunction, mass: 1, radiusMin: 10, radiusMax: 30, radius: 10, shape: 'ellipse', image: undefined, widthMin: 16, // px       widthMax: 64, // px        fontColor: 'black', fontSize: 14, // px       fontFace: 'verdana', fontFill: undefined, fontStrokeWidth: 0, // px       fontStrokeColor: '#ffffff', fontDrawThreshold: 3, scaleFontWithValue: false, fontSizeMin: 14, fontSizeMax: 30, fontSizeMaxVisible: 30, level: -1, color: { border: '#2B7CE9', background: '#97C2FC', highlight: { border: '#2B7CE9', background: '#D2E5FF' },         hover: { border: '#2B7CE9', background: '#D2E5FF' }       },        group: undefined, borderWidth: 1, borderWidthSelected: undefined },     edges: { customScalingFunction: customScalingFunction, widthMin: 1, // widthMax: 15,// width: 1, widthSelectionMultiplier: 2, hoverWidth: 1.5, style: 'line', color: { color:'#848484', highlight:'#848484', hover: '#848484' },       opacity:1.0, fontColor: '#343434', fontSize: 14, // px       fontFace: 'arial', fontFill: 'white', fontStrokeWidth: 0, // px       fontStrokeColor: 'white', labelAlignment:'horizontal', arrowScaleFactor: 1, dash: { length: 10, gap: 5, altLength: undefined },       inheritColor: "from", // to, from, false, true (== from) useGradients: false // release in 4.0 },     configurePhysics:false, physics: { barnesHut: { enabled: true, thetaInverted: 1 / 0.5, // inverted to save time during calculation gravitationalConstant: -2000, centralGravity: 0.3, springLength: 95, springConstant: 0.04, damping: 0.09 },       repulsion: { centralGravity: 0.0, springLength: 200, springConstant: 0.05, nodeDistance: 100, damping: 0.09 },       hierarchicalRepulsion: { enabled: false, centralGravity: 0.0, springLength: 100, springConstant: 0.01, nodeDistance: 150, damping: 0.09 },       damping: null, centralGravity: null, springLength: null, springConstant: null },     clustering: {                   // Per Node in Cluster = PNiC enabled: false,              // (Boolean)             | global on/off switch for clustering. initialMaxNodes: 100,        // (# nodes)             | if the initial amount of nodes is larger than this, we cluster until the total number is less than this threshold. clusterThreshold:500,        // (# nodes)             | during calculate forces, we check if the total number of nodes is larger than this. If it is, cluster until reduced to reduceToNodes reduceToNodes:300,           // (# nodes)             | during calculate forces, we check if the total number of nodes is larger than clusterThreshold. If it is, cluster until reduced to this chainThreshold: 0.4,         // (% of all drawn nodes)| maximum percentage of allowed chainnodes (long strings of connected nodes) within all nodes. (lower means less chains). clusterEdgeThreshold: 20,    // (px)                  | edge length threshold. if smaller, this node is clustered. sectorThreshold: 100,        // (# nodes in cluster)  | cluster size threshold. If larger, expanding in own sector. screenSizeThreshold: 0.2,    // (% of canvas)         | relative size threshold. If the width or height of a clusternode takes up this much of the screen, decluster node. fontSizeMultiplier: 4.0,     // (px PNiC)             | how much the cluster font size grows per node in cluster (in px). maxFontSize: 1000, forceAmplification: 0.1,     // (multiplier PNiC)     | factor of increase fo the repulsion force of a cluster (per node in cluster). distanceAmplification: 0.1,  // (multiplier PNiC)     | factor how much the repulsion distance of a cluster increases (per node in cluster). edgeGrowth: 20,              // (px PNiC)             | amount of clusterSize connected to the edge is multiplied with this and added to edgeLength. nodeScaling: {width: 1,      // (px PNiC)             | growth of the width  per node in cluster. height: 1,     // (px PNiC)             | growth of the height per node in cluster. radius: 1},    // (px PNiC)             | growth of the radius per node in cluster. maxNodeSizeIncrements: 600,  // (# increments)        | max growth of the width  per node in cluster. activeAreaBoxSize: 80,       // (px)                  | box area around the curser where clusters are popped open. clusterLevelDifference: 2,   // used for normalization of the cluster levels clusterByZoom: true          // enable clustering through zooming in and out },     navigation: { enabled: false },     keyboard: { enabled: false, speed: {x: 10, y: 10, zoom: 0.02}, bindToWindow: true },     dataManipulation: { enabled: false, initiallyVisible: false },     hierarchicalLayout: { enabled:false, levelSeparation: 150, nodeSpacing: 100, direction: "UD",  // UD, DU, LR, RL        layout: "hubsize" // hubsize, directed },     freezeForStabilization: false, smoothCurves: { enabled: true, dynamic: true, type: "continuous", roundness: 0.5 },     maxVelocity:  50, minVelocity: 0.1,   // px/s stabilize: true, // stabilize before displaying the network stabilizationIterations: 1000, // maximum number of iteration to stabilize zoomExtentOnStabilize: true, locale: 'en', locales: locales, tooltip: { delay: 300, fontColor: 'black', fontSize: 14, // px       fontFace: 'verdana', color: { border: '#666', background: '#FFFFC6' }     },      dragNetwork: true, dragNodes: true, zoomable: true, hover: false, hideEdgesOnDrag: false, hideNodesOnDrag: false, width : '100%', height : '100%', selectable: true, useDefaultGroups: true };   this.constants = util.extend({}, this.defaultOptions); this.pixelRatio = 1; this.hoverObj = {nodes:{},edges:{}}; this.controlNodesActive = false; this.navigationHammers = []; this.manipulationHammers = [];

// animation properties this.animationSpeed = 1/this.renderRefreshRate; this.animationEasingFunction = "easeInOutQuint"; this.animating = false; this.easingTime = 0; this.sourceScale = 0; this.targetScale = 0; this.sourceTranslation = 0; this.targetTranslation = 0; this.lockedOnNodeId = null; this.lockedOnNodeOffset = null; this.touchTime = 0; this.redrawRequested = false;

// Node variables var network = this; this.groups = new Groups; // object with groups this.images = new Images; // object with images this.images.setOnloadCallback(function (status) {     network._requestRedraw;    });

// keyboard navigation variables this.xIncrement = 0; this.yIncrement = 0; this.zoomIncrement = 0;

// loading all the mixins: // load the force calculation functions, grouped under the physics system. this._loadPhysicsSystem; // create a frame and canvas this._create; // load the sector system. (mandatory, fully integrated with Network) this._loadSectorSystem; // load the cluster system. (mandatory, even when not using the cluster system, there are function calls to it) this._loadClusterSystem; // load the selection system. (mandatory, required by Network) this._loadSelectionSystem; // load the selection system. (mandatory, required by Network) this._loadHierarchySystem;

// apply options this._setTranslation(this.frame.clientWidth / 2, this.frame.clientHeight / 2); this._setScale(1); this.setOptions(options);

// other vars this.freezeSimulationEnabled = false;// freeze the simulation this.cachedFunctions = {}; this.startedStabilization = false; this.stabilized = false; this.stabilizationIterations = null; this.draggingNodes = false;

// containers for nodes and edges this.calculationNodes = {}; this.calculationNodeIndices = []; this.nodeIndices = [];       // array with all the indices of the nodes. Used to speed up forces calculation this.nodes = {};             // object with Node objects this.edges = {};             // object with Edge objects

// position and scale variables and objects this.canvasTopLeft    = {"x": 0,"y": 0};   // coordinates of the top left of the canvas. they will be set during _redraw. this.canvasBottomRight = {"x": 0,"y": 0};  // coordinates of the bottom right of the canvas. they will be set during _redraw this.pointerPosition = {"x": 0,"y": 0};  // coordinates of the bottom right of the canvas. they will be set during _redraw this.areaCenter = {};              // object with x and y elements used for determining the center of the zoom action this.scale = 1;                    // defining the global scale variable in the constructor this.previousScale = this.scale;   // this is used to check if the zoom operation is zooming in or out

// datasets or dataviews this.nodesData = null;     // A DataSet or DataView this.edgesData = null;     // A DataSet or DataView

// create event listeners used to subscribe on the DataSets of the nodes and edges this.nodesListeners = { 'add': function (event, params) { network._addNodes(params.items); network.start; },     'update': function (event, params) { network._updateNodes(params.items); network.start; },     'remove': function (event, params) { network._removeNodes(params.items); network.start; }   };    this.edgesListeners = { 'add': function (event, params) { network._addEdges(params.items); network.start; },     'update': function (event, params) { network._updateEdges(params.items); network.start; },     'remove': function (event, params) { network._removeEdges(params.items); network.start; }   };

// properties for the animation this.moving = true; this.timer = undefined; // Scheduling function. Is definded in this.start;

// load data (the disable start variable will be the same as the enabled clustering) this.setData(data,this.constants.clustering.enabled || this.constants.hierarchicalLayout.enabled);

// hierarchical layout this.initializing = false; if (this.constants.hierarchicalLayout.enabled == true) { this._setupHierarchicalLayout; }   else { // zoom so all data will fit on the screen, if clustering is enabled, we do not want start to be called here. if (this.constants.stabilize == false) { this.zoomExtent({duration:0}, true, this.constants.clustering.enabled); }   }

// if clustering is disabled, the simulation will have started in the setData function if (this.constants.clustering.enabled) { this.startWithClustering; } }

// Extend Network with an Emitter mixin Emitter(Network.prototype);

/**  * Determine if the browser requires a setTimeout or a requestAnimationFrame. This was required because * some implementations (safari and IE9) did not support requestAnimationFrame * @private */ Network.prototype._determineBrowserMethod = function { var browserType = navigator.userAgent.toLowerCase; this.requiresTimeout = false; if (browserType.indexOf('msie 9.0') != -1) { // IE 9 this.requiresTimeout = true; }   else if (browserType.indexOf('safari') != -1) {  // safari if (browserType.indexOf('chrome') <= -1) { this.requiresTimeout = true; }   }  }

/**  * Get the script path where the vis.js library is located *  * @returns {string | null} path   Path or null when not found. Path does not *                                end with a slash. * @private */ Network.prototype._getScriptPath = function { var scripts = document.getElementsByTagName( 'script' );

// find script named vis.js or vis.min.js   for (var i = 0; i < scripts.length; i++) { var src = scripts[i].src; var match = src && /\/?vis(.min)?\.js$/.exec(src); if (match) { // return path without the script name return src.substring(0, src.length - match[0].length); }   }

return null; };

/**  * Find the center position of the network * @private */ Network.prototype._getRange = function(specificNodes) { var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; if (specificNodes.length > 0) { for (var i = 0; i < specificNodes.length; i++) { node = this.nodes[specificNodes[i]]; if (minX > (node.boundingBox.left)) { minX = node.boundingBox.left; }       if (maxX < (node.boundingBox.right)) { maxX = node.boundingBox.right; }       if (minY > (node.boundingBox.bottom)) { minY = node.boundingBox.top; } // top is negative, bottom is positive if (maxY < (node.boundingBox.top)) { maxY = node.boundingBox.bottom; } // top is negative, bottom is positive }   }    else { for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; if (minX > (node.boundingBox.left)) { minX = node.boundingBox.left; }         if (maxX < (node.boundingBox.right)) { maxX = node.boundingBox.right; }         if (minY > (node.boundingBox.bottom)) { minY = node.boundingBox.top; } // top is negative, bottom is positive if (maxY < (node.boundingBox.top)) { maxY = node.boundingBox.bottom; } // top is negative, bottom is positive }     }    }

if (minX == 1e9 && maxX == -1e9 && minY == 1e9 && maxY == -1e9) { minY = 0, maxY = 0, minX = 0, maxX = 0; }   return {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; };

/**  * @param {object} range = {minX: minX, maxX: maxX, minY: minY, maxY: maxY}; * @returns * @private */ Network.prototype._findCenter = function(range) { return {x: (0.5 * (range.maxX + range.minX)), y: (0.5 * (range.maxY + range.minY))}; };

/**  * This function zooms out to fit all data on screen based on amount of nodes *  * @param {Boolean} [initialZoom]  | zoom based on fitted formula or range, true = fitted, default = false; * @param {Boolean} [disableStart] | If true, start is not called. */ Network.prototype.zoomExtent = function(options, initialZoom, disableStart) { this._redraw(true);

if (initialZoom     === undefined) {initialZoom = false;} if (disableStart    === undefined) {disableStart = false;} if (options === undefined) {options = {nodes:[]};} if (options.nodes === undefined) { options.nodes = []; }

var range; var zoomLevel;

if (initialZoom == true) { // check if more than half of the nodes have a predefined position. If so, we use the range, not the approximation. var positionDefined = 0; for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; if (node.predefinedPosition == true) { positionDefined += 1; }       }      }      if (positionDefined > 0.5 * this.nodeIndices.length) { this.zoomExtent(options,false,disableStart); return; }

range = this._getRange(options.nodes);

var numberOfNodes = this.nodeIndices.length; if (this.constants.smoothCurves == true) { if (this.constants.clustering.enabled == true &&         numberOfNodes >= this.constants.clustering.initialMaxNodes) { zoomLevel = 49.07548 / (numberOfNodes + 142.05338) + 9.1444e-04; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. }       else { zoomLevel = 12.662 / (numberOfNodes + 7.4147) + 0.0964822; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. }     }      else { if (this.constants.clustering.enabled == true &&           numberOfNodes >= this.constants.clustering.initialMaxNodes) { zoomLevel = 77.5271985 / (numberOfNodes + 187.266146) + 4.76710517e-05; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. }       else { zoomLevel = 30.5062972 / (numberOfNodes + 19.93597763) + 0.08413486; // this is obtained from fitting a dataset from 5 points with scale levels that looked good. }     }

// correct for larger canvasses. var factor = Math.min(this.frame.canvas.clientWidth / 600, this.frame.canvas.clientHeight / 600); zoomLevel *= factor; }   else { range = this._getRange(options.nodes); var xDistance = Math.abs(range.maxX - range.minX) * 1.1; var yDistance = Math.abs(range.maxY - range.minY) * 1.1;

var xZoomLevel = this.frame.canvas.clientWidth / xDistance; var yZoomLevel = this.frame.canvas.clientHeight / yDistance; zoomLevel = (xZoomLevel <= yZoomLevel) ? xZoomLevel : yZoomLevel; }

if (zoomLevel > 1.0) { zoomLevel = 1.0; }

var center = this._findCenter(range); if (disableStart == false) { var options = {position: center, scale: zoomLevel, animation: options}; this.moveTo(options); this.moving = true; this.start; }   else { center.x *= zoomLevel; center.y *= zoomLevel; center.x -= 0.5 * this.frame.canvas.clientWidth; center.y -= 0.5 * this.frame.canvas.clientHeight; this._setScale(zoomLevel); this._setTranslation(-center.x,-center.y); } };

/**  * Update the this.nodeIndices with the most recent node index list * @private */ Network.prototype._updateNodeIndexList = function { this._clearNodeIndexList; for (var idx in this.nodes) { if (this.nodes.hasOwnProperty(idx)) { this.nodeIndices.push(idx); }   }  };

/**  * Set nodes and edges, and optionally options as well. *  * @param {Object} data              Object containing parameters: *                                  {Array | DataSet | DataView} [nodes] Array with nodes *                                  {Array | DataSet | DataView} [edges] Array with edges *                                  {String} [dot] String containing data in DOT format *                                  {String} [gephi] String containing data in gephi JSON format *                                  {Options} [options] Object with options * @param {Boolean} [disableStart]  | optional: disable the calling of the start function. */ Network.prototype.setData = function(data, disableStart) { if (disableStart === undefined) { disableStart = false; }

// unselect all to ensure no selections from old data are carried over. this._unselectAll(true);

// we set initializing to true to ensure that the hierarchical layout is not performed until both nodes and edges are added. this.initializing = true;

if (data && data.dot && (data.nodes || data.edges)) { throw new SyntaxError('Data must contain either parameter "dot" or ' +         ' parameter pair "nodes" and "edges", but not both.'); }

// clean up in case there is anyone in an active mode of the manipulation. This is the same option as bound to the escape button. if (this.constants.dataManipulation.enabled == true) { this._createManipulatorBar; }

// set options this.setOptions(data && data.options); // set all data if (data && data.dot) { // parse DOT file if(data && data.dot) { var dotData = dotparser.DOTToGraph(data.dot); this.setData(dotData); return; }   }    else if (data && data.gephi) { // parse DOT file if(data && data.gephi) { var gephiData = gephiParser.parseGephi(data.gephi); this.setData(gephiData); return; }   }    else { this._setNodes(data && data.nodes); this._setEdges(data && data.edges); }   this._putDataInSector; if (disableStart == false) { if (this.constants.hierarchicalLayout.enabled == true) { this._resetLevels; this._setupHierarchicalLayout; }     else { // find a stable position or start animating to a stable position if (this.constants.stabilize == true) { this._stabilize; }     }      this.start; }   this.initializing = false; };

/**  * Set options * @param {Object} options */ Network.prototype.setOptions = function (options) { if (options) { var prop; var fields = ['nodes','edges','smoothCurves','hierarchicalLayout','clustering','navigation', 'keyboard','dataManipulation','onAdd','onEdit','onEditEdge','onConnect','onDelete','clickToUse' ];     // extend all but the values in fields util.selectiveNotDeepExtend(fields,this.constants, options); util.selectiveNotDeepExtend(['color'],this.constants.nodes, options.nodes); util.selectiveNotDeepExtend(['color','length'],this.constants.edges, options.edges);

this.groups.useDefaultGroups = this.constants.useDefaultGroups; if (options.physics) { util.mergeOptions(this.constants.physics, options.physics,'barnesHut'); util.mergeOptions(this.constants.physics, options.physics,'repulsion');

if (options.physics.hierarchicalRepulsion) { this.constants.hierarchicalLayout.enabled = true; this.constants.physics.hierarchicalRepulsion.enabled = true; this.constants.physics.barnesHut.enabled = false; for (prop in options.physics.hierarchicalRepulsion) { if (options.physics.hierarchicalRepulsion.hasOwnProperty(prop)) { this.constants.physics.hierarchicalRepulsion[prop] = options.physics.hierarchicalRepulsion[prop]; }         }        }      }

if (options.onAdd) {this.triggerFunctions.add = options.onAdd;} if (options.onEdit) {this.triggerFunctions.edit = options.onEdit;} if (options.onEditEdge) {this.triggerFunctions.editEdge = options.onEditEdge;} if (options.onConnect) {this.triggerFunctions.connect = options.onConnect;} if (options.onDelete) {this.triggerFunctions.del = options.onDelete;}

util.mergeOptions(this.constants, options,'smoothCurves'); util.mergeOptions(this.constants, options,'hierarchicalLayout'); util.mergeOptions(this.constants, options,'clustering'); util.mergeOptions(this.constants, options,'navigation'); util.mergeOptions(this.constants, options,'keyboard'); util.mergeOptions(this.constants, options,'dataManipulation');

if (options.dataManipulation) { this.editMode = this.constants.dataManipulation.initiallyVisible; }

// TODO: work out these options and document them if (options.edges) { if (options.edges.color !== undefined) { if (util.isString(options.edges.color)) { this.constants.edges.color = {}; this.constants.edges.color.color = options.edges.color; this.constants.edges.color.highlight = options.edges.color; this.constants.edges.color.hover = options.edges.color; }         else { if (options.edges.color.color !== undefined)    {this.constants.edges.color.color = options.edges.color.color;} if (options.edges.color.highlight !== undefined) {this.constants.edges.color.highlight = options.edges.color.highlight;} if (options.edges.color.hover !== undefined)    {this.constants.edges.color.hover = options.edges.color.hover;} }         this.constants.edges.inheritColor = false; }

if (!options.edges.fontColor) { if (options.edges.color !== undefined) { if (util.isString(options.edges.color))          {this.constants.edges.fontColor = options.edges.color;} else if (options.edges.color.color !== undefined) {this.constants.edges.fontColor = options.edges.color.color;} }       }      }

if (options.nodes) { if (options.nodes.color) { var newColorObj = util.parseColor(options.nodes.color); this.constants.nodes.color.background = newColorObj.background; this.constants.nodes.color.border = newColorObj.border; this.constants.nodes.color.highlight.background = newColorObj.highlight.background; this.constants.nodes.color.highlight.border = newColorObj.highlight.border; this.constants.nodes.color.hover.background = newColorObj.hover.background; this.constants.nodes.color.hover.border = newColorObj.hover.border; }     }      if (options.groups) { for (var groupname in options.groups) { if (options.groups.hasOwnProperty(groupname)) { var group = options.groups[groupname]; this.groups.add(groupname, group); }       }      }

if (options.tooltip) { for (prop in options.tooltip) { if (options.tooltip.hasOwnProperty(prop)) { this.constants.tooltip[prop] = options.tooltip[prop]; }       }        if (options.tooltip.color) { this.constants.tooltip.color = util.parseColor(options.tooltip.color); }     }

if ('clickToUse' in options) { if (options.clickToUse) { if (!this.activator) { this.activator = new Activator(this.frame); this.activator.on('change', this._createKeyBinds.bind(this)); }       }        else { if (this.activator) { this.activator.destroy; delete this.activator; }       }      }

if (options.labels) { throw new Error('Option "labels" is deprecated. Use options "locale" and "locales" instead.'); }

// (Re)loading the mixins that can be enabled or disabled in the options. // load the force calculation functions, grouped under the physics system. this._loadPhysicsSystem; // load the navigation system. this._loadNavigationControls; // load the data manipulation system this._loadManipulationSystem; // configure the smooth curves this._configureSmoothCurves;

// bind hammer this._bindHammer;

// bind keys. If disabled, this will not do anything; this._createKeyBinds;

this._markAllEdgesAsDirty; this.setSize(this.constants.width, this.constants.height); this.moving = true; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }     this.start; } };

/**  * Create the main frame for the Network. * This function is executed once when a Network object is created. The frame * contains a canvas, and this canvas contains all objects like the axis and * nodes. * @private */ Network.prototype._create = function  { // remove all elements from the container element. while (this.containerElement.hasChildNodes) { this.containerElement.removeChild(this.containerElement.firstChild); }

this.frame = document.createElement('div'); this.frame.className = 'vis network-frame'; this.frame.style.position = 'relative'; this.frame.style.overflow = 'hidden'; this.frame.tabIndex = 900;

//////////////////////////////////////////////////////////////////

this.frame.canvas = document.createElement("canvas"); this.frame.canvas.style.position = 'relative'; this.frame.appendChild(this.frame.canvas);

if (!this.frame.canvas.getContext) { var noCanvas = document.createElement( 'DIV' ); noCanvas.style.color = 'red'; noCanvas.style.fontWeight = 'bold' ; noCanvas.style.padding = '10px'; noCanvas.innerHTML = 'Error: your browser does not support HTML canvas'; this.frame.canvas.appendChild(noCanvas); }   else { var ctx = this.frame.canvas.getContext("2d"); this.pixelRatio = (window.devicePixelRatio || 1) / (ctx.webkitBackingStorePixelRatio ||               ctx.mozBackingStorePixelRatio ||                ctx.msBackingStorePixelRatio ||                ctx.oBackingStorePixelRatio ||                ctx.backingStorePixelRatio || 1);

//this.pixelRatio = Math.max(1,this.pixelRatio); // this is to account for browser zooming out. The pixel ratio is ment to switch between 1 and 2 for HD screens. this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0); }

this._bindHammer; };

/**  * This function binds hammer, it can be repeated over and over due to the uniqueness check. * @private */ Network.prototype._bindHammer = function { var me = this; if (this.hammer !== undefined) { this.hammer.dispose; }   this.drag = {}; this.pinch = {}; this.hammer = Hammer(this.frame.canvas, {     prevent_default: true    }); this.hammer.on('tap',      me._onTap.bind(me) ); this.hammer.on('doubletap', me._onDoubleTap.bind(me) ); this.hammer.on('hold',     me._onHold.bind(me) ); this.hammer.on('touch',    me._onTouch.bind(me) ); this.hammer.on('dragstart', me._onDragStart.bind(me) ); this.hammer.on('drag',     me._onDrag.bind(me) ); this.hammer.on('dragend',  me._onDragEnd.bind(me) );

if (this.constants.zoomable == true) { this.hammer.on('mousewheel',     me._onMouseWheel.bind(me)); this.hammer.on('DOMMouseScroll', me._onMouseWheel.bind(me)); // for FF      this.hammer.on('pinch',           me._onPinch.bind(me) ); }

this.hammer.on('mousemove', me._onMouseMoveTitle.bind(me) );

this.hammerFrame = Hammer(this.frame, {     prevent_default: true    }); this.hammerFrame.on('release', me._onRelease.bind(me) );

// add the frame to the container element this.containerElement.appendChild(this.frame); }

/**  * Binding the keys for keyboard navigation. These functions are defined in the NavigationMixin * @private */ Network.prototype._createKeyBinds = function { var me = this; if (this.keycharm !== undefined) { this.keycharm.destroy; }

if (this.constants.keyboard.bindToWindow == true) { this.keycharm = keycharm({container: window, preventDefault: false}); }   else { this.keycharm = keycharm({container: this.frame, preventDefault: false}); }

this.keycharm.reset;

if (this.constants.keyboard.enabled && this.isActive) { this.keycharm.bind("up",  this._moveUp.bind(me)  , "keydown"); this.keycharm.bind("up",  this._yStopMoving.bind(me), "keyup"); this.keycharm.bind("down", this._moveDown.bind(me), "keydown"); this.keycharm.bind("down", this._yStopMoving.bind(me), "keyup"); this.keycharm.bind("left", this._moveLeft.bind(me), "keydown"); this.keycharm.bind("left", this._xStopMoving.bind(me), "keyup"); this.keycharm.bind("right",this._moveRight.bind(me), "keydown"); this.keycharm.bind("right",this._xStopMoving.bind(me), "keyup"); this.keycharm.bind("=",   this._zoomIn.bind(me),    "keydown"); this.keycharm.bind("=",   this._stopZoom.bind(me),    "keyup"); this.keycharm.bind("num+", this._zoomIn.bind(me),   "keydown"); this.keycharm.bind("num+", this._stopZoom.bind(me),   "keyup"); this.keycharm.bind("num-", this._zoomOut.bind(me),  "keydown"); this.keycharm.bind("num-", this._stopZoom.bind(me),   "keyup"); this.keycharm.bind("-",   this._zoomOut.bind(me),   "keydown"); this.keycharm.bind("-",   this._stopZoom.bind(me),    "keyup"); this.keycharm.bind("[",   this._zoomIn.bind(me),    "keydown"); this.keycharm.bind("[",   this._stopZoom.bind(me),    "keyup"); this.keycharm.bind("]",   this._zoomOut.bind(me),   "keydown"); this.keycharm.bind("]",   this._stopZoom.bind(me),    "keyup"); this.keycharm.bind("pageup",this._zoomIn.bind(me),  "keydown"); this.keycharm.bind("pageup",this._stopZoom.bind(me),  "keyup"); this.keycharm.bind("pagedown",this._zoomOut.bind(me),"keydown"); this.keycharm.bind("pagedown",this._stopZoom.bind(me), "keyup"); }

if (this.constants.dataManipulation.enabled == true) { this.keycharm.bind("esc",this._createManipulatorBar.bind(me)); this.keycharm.bind("delete",this._deleteSelected.bind(me)); } };

/**  * Cleans up all bindings of the network, removing it fully from the memory IF the variable is set to null after calling this function. * var network = new vis.Network(..); * network.destroy; * network = null; */ Network.prototype.destroy = function { this.start = function {}; this.redraw = function {}; this.timer = false;

// cleanup physicsConfiguration if it exists this._cleanupPhysicsConfiguration;

// remove keybindings this.keycharm.reset;

// clear hammer bindings this.hammer.dispose;

// clear events this.off;

this._recursiveDOMDelete(this.containerElement); }

Network.prototype._recursiveDOMDelete = function(DOMobject) { while (DOMobject.hasChildNodes == true) { this._recursiveDOMDelete(DOMobject.firstChild); DOMobject.removeChild(DOMobject.firstChild); } }

/**  * Get the pointer location from a touch location * @param touch * @return pointer * @private */ Network.prototype._getPointer = function (touch) { return { x: touch.pageX - util.getAbsoluteLeft(this.frame.canvas), y: touch.pageY - util.getAbsoluteTop(this.frame.canvas) }; };

/**  * On start of a touch gesture, store the pointer * @param event * @private */ Network.prototype._onTouch = function (event) { if (new Date.valueOf - this.touchTime > 100) { this.drag.pointer = this._getPointer(event.gesture.center); this.drag.pinched = false; this.pinch.scale = this._getScale;

// to avoid double fireing of this event because we have two hammer instances. (on canvas and on frame) this.touchTime = new Date.valueOf;

this._handleTouch(this.drag.pointer); } };

/**  * handle drag start event * @private */ Network.prototype._onDragStart = function (event) { this._handleDragStart(event); };

/**  * This function is called by _onDragStart. * It is separated out because we can then overload it for the datamanipulation system. *  * @private */ Network.prototype._handleDragStart = function(event) { // in case the touch event was triggered on an external div, do the initial touch now. if (this.drag.pointer === undefined) { this._onTouch(event); }

var node = this._getNodeAt(this.drag.pointer); // note: drag.pointer is set in _onTouch to get the initial touch location

this.drag.dragging = true; this.drag.selection = []; this.drag.translation = this._getTranslation; this.drag.nodeId = null; this.draggingNodes = false;

if (node != null && this.constants.dragNodes == true) { this.draggingNodes = true; this.drag.nodeId = node.id; // select the clicked node if not yet selected if (!node.isSelected) { this._selectObject(node,false); }

this.emit("dragStart",{nodeIds:this.getSelection.nodes});

// create an array with the selected nodes and their original location and status for (var objectId in this.selectionObj.nodes) { if (this.selectionObj.nodes.hasOwnProperty(objectId)) { var object = this.selectionObj.nodes[objectId]; var s = { id: object.id, node: object,

// store original x, y, xFixed and yFixed, make the node temporarily Fixed x: object.x,           y: object.y,            xFixed: object.xFixed, yFixed: object.yFixed };

object.xFixed = true; object.yFixed = true;

this.drag.selection.push(s); }     }    }  };

/**  * handle drag event * @private */ Network.prototype._onDrag = function (event) { this._handleOnDrag(event) };

/**  * This function is called by _onDrag. * It is separated out because we can then overload it for the datamanipulation system. *  * @private */ Network.prototype._handleOnDrag = function(event) { if (this.drag.pinched) { return; }

// remove the focus on node if it is focussed on by the focusOnNode this.releaseNode;

var pointer = this._getPointer(event.gesture.center); var me = this; var drag = this.drag; var selection = drag.selection; if (selection && selection.length && this.constants.dragNodes == true) { // calculate delta's and new location var deltaX = pointer.x - drag.pointer.x;     var deltaY = pointer.y - drag.pointer.y;

// update position of all selected nodes selection.forEach(function (s) {       var node = s.node;

if (!s.xFixed) { node.x = me._XconvertDOMtoCanvas(me._XconvertCanvasToDOM(s.x) + deltaX); }

if (!s.yFixed) { node.y = me._YconvertDOMtoCanvas(me._YconvertCanvasToDOM(s.y) + deltaY); }     });

// start _animationStep if not yet running if (!this.moving) { this.moving = true; this.start; }   }    else { // move the network if (this.constants.dragNetwork == true) { // if the drag was not started properly because the click started outside the network div, start it now. if (this.drag.pointer === undefined) { this._handleDragStart(event); return; }       var diffX = pointer.x - this.drag.pointer.x;        var diffY = pointer.y - this.drag.pointer.y;

this._setTranslation(         this.drag.translation.x + diffX,          this.drag.translation.y + diffY        ); this._redraw; }   }  };

/**  * handle drag start event * @private */ Network.prototype._onDragEnd = function (event) { this._handleDragEnd(event); };

Network.prototype._handleDragEnd = function(event) { this.drag.dragging = false; var selection = this.drag.selection; if (selection && selection.length) { selection.forEach(function (s) {       // restore original xFixed and yFixed        s.node.xFixed = s.xFixed;        s.node.yFixed = s.yFixed;      }); this.moving = true; this.start; }   else { this._redraw; }   if (this.draggingNodes == false) { this.emit("dragEnd",{nodeIds:[]}); }   else { this.emit("dragEnd",{nodeIds:this.getSelection.nodes}); }

} /**   * handle tap/click event: select/unselect a node * @private */ Network.prototype._onTap = function (event) { var pointer = this._getPointer(event.gesture.center); this.pointerPosition = pointer; this._handleTap(pointer);

};

/**  * handle doubletap event * @private */ Network.prototype._onDoubleTap = function (event) { var pointer = this._getPointer(event.gesture.center); this._handleDoubleTap(pointer); };

/**  * handle long tap event: multi select nodes * @private */ Network.prototype._onHold = function (event) { var pointer = this._getPointer(event.gesture.center); this.pointerPosition = pointer; this._handleOnHold(pointer); };

/**  * handle the release of the screen *  * @private */ Network.prototype._onRelease = function (event) { var pointer = this._getPointer(event.gesture.center); this._handleOnRelease(pointer); };

/**  * Handle pinch event * @param event * @private */ Network.prototype._onPinch = function (event) { var pointer = this._getPointer(event.gesture.center);

this.drag.pinched = true; if (!('scale' in this.pinch)) { this.pinch.scale = 1; }

// TODO: enabled moving while pinching? var scale = this.pinch.scale * event.gesture.scale; this._zoom(scale, pointer) };

/**  * Zoom the network in or out * @param {Number} scale a number around 1, and between 0.01 and 10 * @param pointer    Position on screen * @return {Number} appliedScale   scale is limited within the boundaries * @private */ Network.prototype._zoom = function(scale, pointer) { if (this.constants.zoomable == true) { var scaleOld = this._getScale; if (scale < 0.00001) { scale = 0.00001; }     if (scale > 10) { scale = 10; }

var preScaleDragPointer = null; if (this.drag !== undefined) { if (this.drag.dragging == true) { preScaleDragPointer = this.DOMtoCanvas(this.drag.pointer); }     }    // + this.frame.canvas.clientHeight / 2 var translation = this._getTranslation;

var scaleFrac = scale / scaleOld; var tx = (1 - scaleFrac) * pointer.x + translation.x * scaleFrac; var ty = (1 - scaleFrac) * pointer.y + translation.y * scaleFrac;

this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), "y" : this._YconvertDOMtoCanvas(pointer.y)};

this._setScale(scale); this._setTranslation(tx, ty); this.updateClustersDefault;

if (preScaleDragPointer != null) { var postScaleDragPointer = this.canvasToDOM(preScaleDragPointer); this.drag.pointer.x = postScaleDragPointer.x;       this.drag.pointer.y = postScaleDragPointer.y;      }

this._redraw;

if (scaleOld < scale) { this.emit("zoom", {direction:"+"}); }     else { this.emit("zoom", {direction:"-"}); }

return scale; } };

/**  * Event handler for mouse wheel event, used to zoom the timeline * See http://adomas.org/javascript-mouse-wheel/ *    https://github.com/EightMedia/hammer.js/issues/256 * @param {MouseEvent} event * @private */ Network.prototype._onMouseWheel = function(event) { // retrieve delta var delta = 0; if (event.wheelDelta) { /* IE/Opera. */     delta = event.wheelDelta/120; } else if (event.detail) { /* Mozilla case. */     // In Mozilla, sign of delta is different than in IE. // Also, delta is multiple of 3. delta = -event.detail/3; }

// If delta is nonzero, handle it. // Basically, delta is now positive if wheel was scrolled up, // and negative, if wheel was scrolled down. if (delta) {

// calculate the new scale var scale = this._getScale; var zoom = delta / 10; if (delta < 0) { zoom = zoom / (1 - zoom); }     scale *= (1 + zoom);

// calculate the pointer location var gesture = hammerUtil.fakeGesture(this, event); var pointer = this._getPointer(gesture.center);

// apply the new scale this._zoom(scale, pointer); }

// Prevent default actions caused by mouse wheel. event.preventDefault; };

/**  * Mouse move handler for checking whether the title moves over a node with a title. * @param {Event} event * @private */ Network.prototype._onMouseMoveTitle = function (event) { var gesture = hammerUtil.fakeGesture(this, event); var pointer = this._getPointer(gesture.center); var popupVisible = false;

// check if the previously selected node is still selected if (this.popup !== undefined) { if (this.popup.hidden === false) { this._checkHidePopup(pointer); }

// if the popup was not hidden above if (this.popup.hidden === false) { popupVisible = true; this.popup.setPosition(pointer.x + 3,pointer.y - 5) this.popup.show; }   }

// if we bind the keyboard to the div, we have to highlight it to use it. This highlights it on mouse over if (this.constants.keyboard.bindToWindow == false && this.constants.keyboard.enabled == true) { this.frame.focus; }

// start a timeout that will check if the mouse is positioned above an element if (popupVisible === false) { var me = this; var checkShow = function { me._checkShowPopup(pointer); };     if (this.popupTimer) { clearInterval(this.popupTimer); // stop any running calculationTimer }     if (!this.drag.dragging) { this.popupTimer = setTimeout(checkShow, this.constants.tooltip.delay); }   }

/**    * Adding hover highlights */   if (this.constants.hover == true) { // removing all hover highlights for (var edgeId in this.hoverObj.edges) { if (this.hoverObj.edges.hasOwnProperty(edgeId)) { this.hoverObj.edges[edgeId].hover = false; delete this.hoverObj.edges[edgeId]; }     }

// adding hover highlights var obj = this._getNodeAt(pointer); if (obj == null) { obj = this._getEdgeAt(pointer); }     if (obj != null) { this._hoverObject(obj); }

// removing all node hover highlights except for the selected one. for (var nodeId in this.hoverObj.nodes) { if (this.hoverObj.nodes.hasOwnProperty(nodeId)) { if (obj instanceof Node && obj.id != nodeId || obj instanceof Edge || obj == null) { this._blurObject(this.hoverObj.nodes[nodeId]); delete this.hoverObj.nodes[nodeId]; }       }      }      this.redraw; } };

/**  * Check if there is an element on the given position in the network * (a node or edge). If so, and if this element has a title, * show a popup window with its title. *  * @param  pointer * @private */ Network.prototype._checkShowPopup = function (pointer) { var obj = { left:  this._XconvertDOMtoCanvas(pointer.x), top:   this._YconvertDOMtoCanvas(pointer.y), right: this._XconvertDOMtoCanvas(pointer.x), bottom: this._YconvertDOMtoCanvas(pointer.y)   };

var id; var previousPopupObjId = this.popupObj === undefined ? "" : this.popupObj.id; var nodeUnderCursor = false; var popupType = "node";

if (this.popupObj == undefined) { // search the nodes for overlap, select the top one in case of multiple nodes var nodes = this.nodes; var overlappingNodes = []; for (id in nodes) { if (nodes.hasOwnProperty(id)) { var node = nodes[id]; if (node.isOverlappingWith(obj)) { if (node.getTitle !== undefined) { overlappingNodes.push(id); }         }        }      }

if (overlappingNodes.length > 0) { // if there are overlapping nodes, select the last one, this is the // one which is drawn on top of the others this.popupObj = this.nodes[overlappingNodes[overlappingNodes.length - 1]]; // if you hover over a node, the title of the edge is not supposed to be shown. nodeUnderCursor = true; }   }

if (this.popupObj === undefined && nodeUnderCursor == false) { // search the edges for overlap var edges = this.edges; var overlappingEdges = []; for (id in edges) { if (edges.hasOwnProperty(id)) { var edge = edges[id]; if (edge.connected && (edge.getTitle !== undefined) &&             edge.isOverlappingWith(obj)) { overlappingEdges.push(id); }       }      }

if (overlappingEdges.length > 0) { this.popupObj = this.edges[overlappingEdges[overlappingEdges.length - 1]]; popupType = "edge"; }   }

if (this.popupObj) { // show popup message window if (this.popupObj.id != previousPopupObjId) { if (this.popup === undefined) { this.popup = new Popup(this.frame, this.constants.tooltip); }

this.popup.popupTargetType = popupType; this.popup.popupTargetId = this.popupObj.id;

// adjust a small offset such that the mouse cursor is located in the // bottom left location of the popup, and you can easily move over the // popup area this.popup.setPosition(pointer.x + 3, pointer.y - 5); this.popup.setText(this.popupObj.getTitle); this.popup.show; }   }    else { if (this.popup) { this.popup.hide; }   }  };

/**  * Check if the popup must be hidden, which is the case when the mouse is no   * longer hovering on the object * @param pointer * @private */ Network.prototype._checkHidePopup = function (pointer) { var pointerObj = { left:  this._XconvertDOMtoCanvas(pointer.x), top:   this._YconvertDOMtoCanvas(pointer.y), right: this._XconvertDOMtoCanvas(pointer.x), bottom: this._YconvertDOMtoCanvas(pointer.y)   };

var stillOnObj = false; if (this.popup.popupTargetType == 'node') { stillOnObj = this.nodes[this.popup.popupTargetId].isOverlappingWith(pointerObj); if (stillOnObj === true) { var overNode = this._getNodeAt(pointer); stillOnObj = overNode.id == this.popup.popupTargetId; }   }    else { if (this._getNodeAt(pointer) === null) { stillOnObj = this.edges[this.popup.popupTargetId].isOverlappingWith(pointerObj); }   }

if (stillOnObj === false) { this.popupObj = undefined; this.popup.hide; } };

/**  * Set a new size for the network * @param {string} width  Width in pixels or percentage (for example '800px'   *                         or '50%') * @param {string} height Height in pixels or percentage  (for example '400px'   *                         or '30%') */ Network.prototype.setSize = function(width, height) { var emitEvent = false; var oldWidth = this.frame.canvas.width; var oldHeight = this.frame.canvas.height; if (width != this.constants.width || height != this.constants.height || this.frame.style.width != width || this.frame.style.height != height) { this.frame.style.width = width; this.frame.style.height = height;

this.frame.canvas.style.width = '100%'; this.frame.canvas.style.height = '100%';

this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio;

this.constants.width = width; this.constants.height = height;

emitEvent = true; }   else { // this would adapt the width of the canvas to the width from 100% if and only if     // there is a change.

if (this.frame.canvas.width != this.frame.canvas.clientWidth * this.pixelRatio) { this.frame.canvas.width = this.frame.canvas.clientWidth * this.pixelRatio; emitEvent = true; }     if (this.frame.canvas.height != this.frame.canvas.clientHeight * this.pixelRatio) { this.frame.canvas.height = this.frame.canvas.clientHeight * this.pixelRatio; emitEvent = true; }   }

if (emitEvent == true) { this.emit('resize', {width:this.frame.canvas.width * this.pixelRatio,height:this.frame.canvas.height * this.pixelRatio, oldWidth: oldWidth * this.pixelRatio, oldHeight: oldHeight * this.pixelRatio}); } };

/**  * Set a data set with nodes for the network * @param {Array | DataSet | DataView} nodes        The data containing the nodes. * @private */ Network.prototype._setNodes = function(nodes) { var oldNodesData = this.nodesData;

if (nodes instanceof DataSet || nodes instanceof DataView) { this.nodesData = nodes; }   else if (Array.isArray(nodes)) { this.nodesData = new DataSet; this.nodesData.add(nodes); }   else if (!nodes) { this.nodesData = new DataSet; }   else { throw new TypeError('Array or DataSet expected'); }

if (oldNodesData) { // unsubscribe from old dataset util.forEach(this.nodesListeners, function (callback, event) {       oldNodesData.off(event, callback);      }); }

// remove drawn nodes this.nodes = {};

if (this.nodesData) { // subscribe to new dataset var me = this; util.forEach(this.nodesListeners, function (callback, event) {       me.nodesData.on(event, callback);      });

// draw all new nodes var ids = this.nodesData.getIds; this._addNodes(ids); }   this._updateSelection; };

/**  * Add nodes * @param {Number[] | String[]} ids * @private */ Network.prototype._addNodes = function(ids) { var id; var fieldId = this.nodesData._fieldId || null; for (var i = 0, len = ids.length; i < len; i++) { id = ids[i]; var data = this.nodesData.get(id); if (fieldId) { data.id = data[fieldId]; }

var node = new Node(data, this.images, this.groups, this.constants); this.nodes[id] = node; // note: this may replace an existing node if ((node.xFixed == false || node.yFixed == false) && (node.x === null || node.y === null)) { var radius = 10 * 0.1*ids.length + 10; var angle = 2 * Math.PI * Math.random; if (node.xFixed == false) {node.x = radius * Math.cos(angle);} if (node.yFixed == false) {node.y = radius * Math.sin(angle);} }     this.moving = true; }

this._updateNodeIndexList; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }   this._updateCalculationNodes; this._reconnectEdges; this._updateValueRange(this.nodes); this.updateLabels; };

/**  * Update existing nodes, or create them when not yet existing * @param {Number[] | String[]} ids * @private */ Network.prototype._updateNodes = function(ids) { var nodesData = this.nodesData.get(ids); var nodes = this.nodes;

for (var i = 0, len = ids.length; i < len; i++) { var id = ids[i]; var node = nodes[id]; var data = nodesData[i]; if (node) { // update node node.setProperties(data, this.constants); }     else { // create node node = new Node(properties, this.images, this.groups, this.constants); nodes[id] = node; }   }    this.moving = true; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }   this._updateNodeIndexList; this._updateValueRange(nodes); this._markAllEdgesAsDirty; };

Network.prototype._markAllEdgesAsDirty = function { for (var edgeId in this.edges) { this.edges[edgeId].colorDirty = true; } }

/**  * Remove existing nodes. If nodes do not exist, the method will just ignore it. * @param {Number[] | String[]} ids * @private */ Network.prototype._removeNodes = function(ids) { var nodes = this.nodes;

// remove from selection for (var i = 0, len = ids.length; i < len; i++) { if (this.selectionObj.nodes[ids[i]] !== undefined) { this.nodes[ids[i]].unselect; this._removeFromSelection(this.nodes[ids[i]]); }   }

for (var i = 0, len = ids.length; i < len; i++) { var id = ids[i]; delete nodes[id]; }

this._updateNodeIndexList; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }   this._updateCalculationNodes; this._reconnectEdges; this._updateSelection; this._updateValueRange(nodes); };

/**  * Load edges by reading the data table * @param {Array | DataSet | DataView} edges   The data containing the edges. * @private * @private */ Network.prototype._setEdges = function(edges) { var oldEdgesData = this.edgesData;

if (edges instanceof DataSet || edges instanceof DataView) { this.edgesData = edges; }   else if (Array.isArray(edges)) { this.edgesData = new DataSet; this.edgesData.add(edges); }   else if (!edges) { this.edgesData = new DataSet; }   else { throw new TypeError('Array or DataSet expected'); }

if (oldEdgesData) { // unsubscribe from old dataset util.forEach(this.edgesListeners, function (callback, event) {       oldEdgesData.off(event, callback);      }); }

// remove drawn edges this.edges = {};

if (this.edgesData) { // subscribe to new dataset var me = this; util.forEach(this.edgesListeners, function (callback, event) {       me.edgesData.on(event, callback);      });

// draw all new nodes var ids = this.edgesData.getIds; this._addEdges(ids); }

this._reconnectEdges; };

/**  * Add edges * @param {Number[] | String[]} ids * @private */ Network.prototype._addEdges = function (ids) { var edges = this.edges; var edgesData = this.edgesData; var fieldId = this.edgesData._fieldId;

for (var i = 0, len = ids.length; i < len; i++) { var id = ids[i];

var oldEdge = edges[id]; if (oldEdge) { oldEdge.disconnect; }

var data = edgesData.get(id, {"showInternalIds" : true}); if (fieldId) { data.id = data[fieldId]; }     edges[id] = new Edge(data, this, this.constants); }   this.moving = true; this._updateValueRange(edges); this._createBezierNodes; this._updateCalculationNodes; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; } };

/**  * Update existing edges, or create them when not yet existing * @param {Number[] | String[]} ids * @private */ Network.prototype._updateEdges = function (ids) { var edges = this.edges, edgesData = this.edgesData; for (var i = 0, len = ids.length; i < len; i++) { var id = ids[i];

var data = edgesData.get(id); var edge = edges[id]; if (edge) { // update edge edge.disconnect; edge.setProperties(data, this.constants); edge.connect; }     else { // create edge edge = new Edge(data, this, this.constants); this.edges[id] = edge; }   }

this._createBezierNodes; if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }   this.moving = true; this._updateValueRange(edges); };

/**  * Remove existing edges. Non existing ids will be ignored * @param {Number[] | String[]} ids * @private */ Network.prototype._removeEdges = function (ids) { var edges = this.edges;

// remove from selection for (var i = 0, len = ids.length; i < len; i++) { if (this.selectionObj.edges[ids[i]] !== undefined) { edges[ids[i]].unselect; this._removeFromSelection(edges[ids[i]]); }   }

for (var i = 0, len = ids.length; i < len; i++) { var id = ids[i]; var edge = edges[id]; if (edge) { if (edge.via != null) { delete this.sectors['support']['nodes'][edge.via.id]; }       edge.disconnect; delete edges[id]; }   }

this.moving = true; this._updateValueRange(edges); if (this.constants.hierarchicalLayout.enabled == true && this.initializing == false) { this._resetLevels; this._setupHierarchicalLayout; }   this._updateCalculationNodes; };

/**  * Reconnect all edges * @private */ Network.prototype._reconnectEdges = function { var id, nodes = this.nodes, edges = this.edges; for (id in nodes) { if (nodes.hasOwnProperty(id)) { nodes[id].edges = []; nodes[id].dynamicEdges = []; }   }

for (id in edges) { if (edges.hasOwnProperty(id)) { var edge = edges[id]; edge.from = null; edge.to = null; edge.connect; }   }  };

/**  * Update the values of all object in the given array according to the current * value range of the objects in the array. * @param {Object} obj   An object containing a set of Edges or Nodes *                       The objects must have a method getValue and *                       setValueRange(min, max). * @private */ Network.prototype._updateValueRange = function(obj) { var id;

// determine the range of the objects var valueMin = undefined; var valueMax = undefined; var valueTotal = 0; for (id in obj) { if (obj.hasOwnProperty(id)) { var value = obj[id].getValue; if (value !== undefined) { valueMin = (valueMin === undefined) ? value : Math.min(value, valueMin); valueMax = (valueMax === undefined) ? value : Math.max(value, valueMax); valueTotal += value; }     }    }

// adjust the range of all objects if (valueMin !== undefined && valueMax !== undefined) { for (id in obj) { if (obj.hasOwnProperty(id)) { obj[id].setValueRange(valueMin, valueMax, valueTotal); }     }    }  };

/**  * Redraw the network with the current data * chart will be resized too. */ Network.prototype.redraw = function { this.setSize(this.constants.width, this.constants.height); this._redraw; };

/**  * Redraw the network with the current data * @param hidden | used to get the first estimate of the node sizes. only the nodes are drawn after which they are quickly drawn over. * @private */ Network.prototype._requestRedraw = function(hidden) { if (this.redrawRequested !== true) { this.redrawRequested = true; if (this.requiresTimeout === true) { window.setTimeout(this._redraw.bind(this, hidden),0); }     else { window.requestAnimationFrame(this._redraw.bind(this, hidden, true)); }   }  };

Network.prototype._redraw = function(hidden, requested) { if (hidden === undefined) { hidden = false; }   this.redrawRequested = false; var ctx = this.frame.canvas.getContext('2d');

ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0);

// clear the canvas var w = this.frame.canvas.clientWidth; var h = this.frame.canvas.clientHeight; ctx.clearRect(0, 0, w, h);

// set scaling and translation ctx.save; ctx.translate(this.translation.x, this.translation.y); ctx.scale(this.scale, this.scale);

this.canvasTopLeft = { "x": this._XconvertDOMtoCanvas(0), "y": this._YconvertDOMtoCanvas(0) };   this.canvasBottomRight = { "x": this._XconvertDOMtoCanvas(this.frame.canvas.clientWidth), "y": this._YconvertDOMtoCanvas(this.frame.canvas.clientHeight) };

if (hidden === false) { this._doInAllSectors("_drawAllSectorNodes", ctx); if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideEdgesOnDrag == false) { this._doInAllSectors("_drawEdges", ctx); }   }

if (this.drag.dragging == false || this.drag.dragging === undefined || this.constants.hideNodesOnDrag == false) { this._doInAllSectors("_drawNodes",ctx,false); }

if (hidden === false) { if (this.controlNodesActive == true) { this._doInAllSectors("_drawControlNodes", ctx); }   }

// this._doInSupportSector("_drawNodes",ctx,true); // this._drawTree(ctx,"#F00F0F");

// restore original scaling and translation ctx.restore;

if (hidden === true) { ctx.clearRect(0, 0, w, h); } }

/**  * Set the translation of the network * @param {Number} offsetX   Horizontal offset * @param {Number} offsetY   Vertical offset * @private */ Network.prototype._setTranslation = function(offsetX, offsetY) { if (this.translation === undefined) { this.translation = { x: 0, y: 0 };   }

if (offsetX !== undefined) { this.translation.x = offsetX; }   if (offsetY !== undefined) { this.translation.y = offsetY; }

this.emit('viewChanged'); };

/**  * Get the translation of the network * @return {Object} translation   An object with parameters x and y, both a number * @private */ Network.prototype._getTranslation = function { return { x: this.translation.x,     y: this.translation.y    }; };

/**  * Scale the network * @param {Number} scale  Scaling factor 1.0 is unscaled * @private */ Network.prototype._setScale = function(scale) { this.scale = scale; };

/**  * Get the current scale of  the network * @return {Number} scale  Scaling factor 1.0 is unscaled * @private */ Network.prototype._getScale = function { return this.scale; };

/**  * Convert the X coordinate in DOM-space (coordinate point in browser relative to the container div) to   * the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) * @param {number} x  * @returns {number} * @private */ Network.prototype._XconvertDOMtoCanvas = function(x) { return (x - this.translation.x) / this.scale; };

/**  * Convert the X coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to   * the X coordinate in DOM-space (coordinate point in browser relative to the container div) * @param {number} x  * @returns {number} * @private */ Network.prototype._XconvertCanvasToDOM = function(x) { return x * this.scale + this.translation.x; };

/**  * Convert the Y coordinate in DOM-space (coordinate point in browser relative to the container div) to   * the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) * @param {number} y  * @returns {number} * @private */ Network.prototype._YconvertDOMtoCanvas = function(y) { return (y - this.translation.y) / this.scale; };

/**  * Convert the Y coordinate in canvas-space (the simulation sandbox, which the camera looks upon) to   * the Y coordinate in DOM-space (coordinate point in browser relative to the container div) * @param {number} y  * @returns {number} * @private */ Network.prototype._YconvertCanvasToDOM = function(y) { return y * this.scale + this.translation.y ; };

/**  *   * @param {object} pos   = {x: number, y: number} * @returns * @constructor */ Network.prototype.canvasToDOM = function (pos) { return {x: this._XconvertCanvasToDOM(pos.x), y: this._YconvertCanvasToDOM(pos.y)}; };

/**  *   * @param {object} pos   = {x: number, y: number} * @returns * @constructor */ Network.prototype.DOMtoCanvas = function (pos) { return {x: this._XconvertDOMtoCanvas(pos.x), y: this._YconvertDOMtoCanvas(pos.y)}; };

/**  * Redraw all nodes * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); * @param {CanvasRenderingContext2D}  ctx * @param {Boolean} [alwaysShow] * @private */ Network.prototype._drawNodes = function(ctx,alwaysShow) { if (alwaysShow === undefined) { alwaysShow = false; }

// first draw the unselected nodes var nodes = this.nodes; var selected = [];

for (var id in nodes) { if (nodes.hasOwnProperty(id)) { nodes[id].setScaleAndPos(this.scale,this.canvasTopLeft,this.canvasBottomRight); if (nodes[id].isSelected) { selected.push(id); }       else { if (nodes[id].inArea || alwaysShow) { nodes[id].draw(ctx); }       }      }    }

// draw the selected nodes on top for (var s = 0, sMax = selected.length; s < sMax; s++) { if (nodes[selected[s]].inArea || alwaysShow) { nodes[selected[s]].draw(ctx); }   }  };

/**  * Redraw all edges * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); * @param {CanvasRenderingContext2D}  ctx * @private */ Network.prototype._drawEdges = function(ctx) { var edges = this.edges; for (var id in edges) { if (edges.hasOwnProperty(id)) { var edge = edges[id]; edge.setScale(this.scale); if (edge.connected) { edges[id].draw(ctx); }     }    }  };

/**  * Redraw all edges * The 2d context of a HTML canvas can be retrieved by canvas.getContext('2d'); * @param {CanvasRenderingContext2D}  ctx * @private */ Network.prototype._drawControlNodes = function(ctx) { var edges = this.edges; for (var id in edges) { if (edges.hasOwnProperty(id)) { edges[id]._drawControlNodes(ctx); }   }  };

/**  * Find a stable position for all nodes * @private */ Network.prototype._stabilize = function { if (this.constants.freezeForStabilization == true) { this._freezeDefinedNodes; }

// find stable position var count = 0; while (this.moving && count < this.constants.stabilizationIterations) { this._physicsTick; count++; }

if (this.constants.zoomExtentOnStabilize == true) { this.zoomExtent({duration:0}, false, true); }

if (this.constants.freezeForStabilization == true) { this._restoreFrozenNodes; }

this.emit("stabilizationIterationsDone"); };

/**  * When initializing and stabilizing, we can freeze nodes with a predefined position. This greatly speeds up stabilization * because only the supportnodes for the smoothCurves have to settle. *  * @private */ Network.prototype._freezeDefinedNodes = function { var nodes = this.nodes; for (var id in nodes) { if (nodes.hasOwnProperty(id)) { if (nodes[id].x != null && nodes[id].y != null) { nodes[id].fixedData.x = nodes[id].xFixed; nodes[id].fixedData.y = nodes[id].yFixed; nodes[id].xFixed = true; nodes[id].yFixed = true; }     }    }  };

/**  * Unfreezes the nodes that have been frozen by _freezeDefinedNodes. *  * @private */ Network.prototype._restoreFrozenNodes = function { var nodes = this.nodes; for (var id in nodes) { if (nodes.hasOwnProperty(id)) { if (nodes[id].fixedData.x != null) { nodes[id].xFixed = nodes[id].fixedData.x;         nodes[id].yFixed = nodes[id].fixedData.y;        } }   }  };

/**  * Check if any of the nodes is still moving * @param {number} vmin  the minimum velocity considered as 'moving' * @return {boolean}     true if moving, false if non of the nodes is moving * @private */ Network.prototype._isMoving = function(vmin) { var nodes = this.nodes; for (var id in nodes) { if (nodes[id] !== undefined) { if (nodes[id].isMoving(vmin) == true) { return true; }     }    }    return false; };

/**  * /**   * Perform one discrete step for all nodes *  * @private */ Network.prototype._discreteStepNodes = function { var interval = this.physicsDiscreteStepsize; var nodes = this.nodes; var nodeId; var nodesPresent = false;

if (this.constants.maxVelocity > 0) { for (nodeId in nodes) { if (nodes.hasOwnProperty(nodeId)) { nodes[nodeId].discreteStepLimited(interval, this.constants.maxVelocity); nodesPresent = true; }     }    }    else { for (nodeId in nodes) { if (nodes.hasOwnProperty(nodeId)) { nodes[nodeId].discreteStep(interval); nodesPresent = true; }     }    }

if (nodesPresent == true) { var vminCorrected = this.constants.minVelocity / Math.max(this.scale,0.05); if (vminCorrected > 0.5*this.constants.maxVelocity) { return true; }     else { return this._isMoving(vminCorrected); }   }    return false; };

Network.prototype._revertPhysicsState = function { var nodes = this.nodes; for (var nodeId in nodes) { if (nodes.hasOwnProperty(nodeId)) { nodes[nodeId].revertPosition; }   }  }

Network.prototype._revertPhysicsTick = function { this._doInAllActiveSectors("_revertPhysicsState"); if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { this._doInSupportSector("_revertPhysicsState"); } }

/**  * A single simulation step (or "tick") in the physics simulation *  * @private */ Network.prototype._physicsTick = function { if (!this.freezeSimulationEnabled) { if (this.moving == true) { var mainMovingStatus = false; var supportMovingStatus = false;

this._doInAllActiveSectors("_initializeForceCalculation"); var mainMoving = this._doInAllActiveSectors("_discreteStepNodes"); if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { supportMovingStatus = this._doInSupportSector("_discreteStepNodes"); }

// gather movement data from all sectors, if one moves, we are NOT stabilzied for (var i = 0; i < mainMoving.length; i++) { mainMovingStatus = mainMoving[i] || mainMovingStatus; }

// determine if the network has stabilzied this.moving = mainMovingStatus || supportMovingStatus; if (this.moving == false) { this._revertPhysicsTick; }       else { // this is here to ensure that there is no start event when the network is already stable. if (this.startedStabilization == false) { this.emit("startStabilization"); this.startedStabilization = true; }       }

this.stabilizationIterations++; }   }  };

/**  * This function runs one step of the animation. It calls an x amount of physics ticks and one render tick. * It reschedules itself at the beginning of the function *  * @private */ Network.prototype._animationStep = function { // reset the timer so a new scheduled animation step can be set this.timer = undefined;

if (this.requiresTimeout == true) { // this schedules a new animation step this.start; }

// handle the keyboad movement this._handleNavigation;

// check if the physics have settled if (this.moving == true) { var startTime = Date.now; this._physicsTick; var physicsTime = Date.now - startTime;

// run double speed if it is a little graph if ((this.renderTimestep - this.renderTime > 2 * physicsTime || this.runDoubleSpeed == true) && this.moving == true) { this._physicsTick;

// this makes sure there is no jitter. The decision is taken once to run it at double speed. if (this.renderTime != 0) { this.runDoubleSpeed = true }     }    }

var renderStartTime = Date.now; this._redraw; this.renderTime = Date.now - renderStartTime;

if (this.requiresTimeout == false) { // this schedules a new animation step this.start; } };

if (typeof window !== 'undefined') { window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; }

/**  * Schedule a animation step with the refreshrate interval. */ Network.prototype.start = function { if (this.freezeSimulationEnabled == true) { this.moving = false; }   if (this.moving == true || this.xIncrement != 0 || this.yIncrement != 0 || this.zoomIncrement != 0 || this.animating == true) { if (!this.timer) { if (this.requiresTimeout == true) { this.timer = window.setTimeout(this._animationStep.bind(this), this.renderTimestep); // wait this.renderTimeStep milliseconds and perform the animation step function }       else { this.timer = window.requestAnimationFrame(this._animationStep.bind(this)); // wait this.renderTimeStep milliseconds and perform the animation step function }     }    }    else { this._requestRedraw; // this check is to ensure that the network does not emit these events if it was already stabilized and setOptions is called (setting moving to true and calling start) if (this.stabilizationIterations > 1) { // trigger the "stabilized" event. // The event is triggered on the next tick, to prevent the case that // it is fired while initializing the Network, in which case you would not // be able to catch it       var me = this; var params = { iterations: me.stabilizationIterations };       this.stabilizationIterations = 0; this.startedStabilization = false; setTimeout(function {          me.emit("stabilized", params);        }, 0); }     else { this.stabilizationIterations = 0; }   }  };

/**  * Move the network according to the keyboard presses. *  * @private */ Network.prototype._handleNavigation = function { if (this.xIncrement != 0 || this.yIncrement != 0) { var translation = this._getTranslation; this._setTranslation(translation.x+this.xIncrement, translation.y+this.yIncrement); }   if (this.zoomIncrement != 0) { var center = { x: this.frame.canvas.clientWidth / 2, y: this.frame.canvas.clientHeight / 2 };     this._zoom(this.scale*(1 + this.zoomIncrement), center); } };

/**  *  Freeze the _animationStep */ Network.prototype.freezeSimulation = function(freeze) { if (freeze == true) { this.freezeSimulationEnabled = true; this.moving = false; }   else { this.freezeSimulationEnabled = false; this.moving = true; this.start; } };

/**  * This function cleans the support nodes if they are not needed and adds them when they are. *  * @param {boolean} [disableStart] * @private */ Network.prototype._configureSmoothCurves = function(disableStart) { if (disableStart === undefined) { disableStart = true; }   if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { this._createBezierNodes; // cleanup unused support nodes for (var nodeId in this.sectors['support']['nodes']) { if (this.sectors['support']['nodes'].hasOwnProperty(nodeId)) { if (this.edges[this.sectors['support']['nodes'][nodeId].parentEdgeId] === undefined) { delete this.sectors['support']['nodes'][nodeId]; }       }      }    }    else { // delete the support nodes this.sectors['support']['nodes'] = {}; for (var edgeId in this.edges) { if (this.edges.hasOwnProperty(edgeId)) { this.edges[edgeId].via = null; }     }    }

this._updateCalculationNodes; if (!disableStart) { this.moving = true; this.start; } };

/**  * Bezier curves require an anchor point to calculate the smooth flow. These points are nodes. These nodes are invisible but * are used for the force calculation. *  * @private */ Network.prototype._createBezierNodes = function { if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { for (var edgeId in this.edges) { if (this.edges.hasOwnProperty(edgeId)) { var edge = this.edges[edgeId]; if (edge.via == null) { var nodeId = "edgeId:".concat(edge.id); this.sectors['support']['nodes'][nodeId] = new Node(                   {id:nodeId,                      mass:1,                      shape:'circle',                      image:"",                      internalMultiplier:1                    },{},{},this.constants); edge.via = this.sectors['support']['nodes'][nodeId]; edge.via.parentEdgeId = edge.id; edge.positionBezierNode; }       }      }    }  };

/**  * load the functions that load the mixins into the prototype. *  * @private */ Network.prototype._initializeMixinLoaders = function  { for (var mixin in MixinLoader) { if (MixinLoader.hasOwnProperty(mixin)) { Network.prototype[mixin] = MixinLoader[mixin]; }   }  };

/**  * Load the XY positions of the nodes into the dataset. */ Network.prototype.storePosition = function { console.log("storePosition is depricated: use .storePositions from now on.") this.storePositions; };

/**  * Load the XY positions of the nodes into the dataset. */ Network.prototype.storePositions = function { var dataArray = []; for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; var allowedToMoveX = !this.nodes.xFixed; var allowedToMoveY = !this.nodes.yFixed; if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData._data[nodeId].y != Math.round(node.y)) { dataArray.push({id:nodeId,x:Math.round(node.x),y:Math.round(node.y),allowedToMoveX:allowedToMoveX,allowedToMoveY:allowedToMoveY}); }     }    }    this.nodesData.update(dataArray); };

/**  * Return the positions of the nodes. */ Network.prototype.getPositions = function(ids) { var dataArray = {}; if (ids !== undefined) { if (Array.isArray(ids) == true) { for (var i = 0; i < ids.length; i++) { if (this.nodes[ids[i]] !== undefined) { var node = this.nodes[ids[i]]; dataArray[ids[i]] = {x: Math.round(node.x), y: Math.round(node.y)}; }       }      }      else { if (this.nodes[ids] !== undefined) { var node = this.nodes[ids]; dataArray[ids] = {x: Math.round(node.x), y: Math.round(node.y)}; }     }    }    else { for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; dataArray[nodeId] = {x: Math.round(node.x), y: Math.round(node.y)}; }     }    }    return dataArray; };

/**  * Center a node in view. *  * @param {Number} nodeId * @param {Number} [options] */ Network.prototype.focusOnNode = function (nodeId, options) { if (this.nodes.hasOwnProperty(nodeId)) { if (options === undefined) { options = {}; }     var nodePosition = {x: this.nodes[nodeId].x, y: this.nodes[nodeId].y}; options.position = nodePosition; options.lockedOnNode = nodeId;

this.moveTo(options) }   else { console.log("This nodeId cannot be found."); } };

/**  *   * @param {Object} options  |  options.offset   = {x:Number, y:Number}   // offset from the center in DOM pixels *                         |  options.scale    = Number                 // scale to move to   *                          |  options.position = {x:Number, y:Number}   // position to move to   *                          |  options.animation = {duration:Number, easingFunction:String} || Boolean   // position to move to   */ Network.prototype.moveTo = function (options) { if (options === undefined) { options = {}; return; }   if (options.offset    === undefined)           {options.offset    = {x: 0, y: 0};          } if (options.offset.x === undefined)           {options.offset.x  = 0;                     } if (options.offset.y === undefined)           {options.offset.y  = 0;                     } if (options.scale    === undefined)           {options.scale     = this._getScale;      } if (options.position === undefined)           {options.position  = this._getTranslation;} if (options.animation === undefined)          {options.animation = {duration:0};          } if (options.animation === false   )           {options.animation = {duration:0};          } if (options.animation === true    )           {options.animation = {};                    } if (options.animation.duration === undefined) {options.animation.duration = 1000;         }  // default duration if (options.animation.easingFunction === undefined) {options.animation.easingFunction = "easeInOutQuad";  } // default easing function

this.animateView(options); };

/**  *   * @param {Object} options  |  options.offset   = {x:Number, y:Number}   // offset from the center in DOM pixels *                         |  options.time     = Number                 // animation time in milliseconds *                         |  options.scale    = Number                 // scale to animate to   *                          |  options.position = {x:Number, y:Number}   // position to animate to   *                          |  options.easingFunction = String           // linear, easeInQuad, easeOutQuad, easeInOutQuad, *                                                                      // easeInCubic, easeOutCubic, easeInOutCubic, *                                                                      // easeInQuart, easeOutQuart, easeInOutQuart, *                                                                      // easeInQuint, easeOutQuint, easeInOutQuint */ Network.prototype.animateView = function (options) { if (options === undefined) { options = {}; return; }

// release if something focussed on the node this.releaseNode; if (options.locked == true) { this.lockedOnNodeId = options.lockedOnNode; this.lockedOnNodeOffset = options.offset; }

// forcefully complete the old animation if it was still running if (this.easingTime != 0) { this._transitionRedraw(1); // by setting easingtime to 1, we finish the animation. }

this.sourceScale = this._getScale; this.sourceTranslation = this._getTranslation; this.targetScale = options.scale;

// set the scale so the viewCenter is based on the correct zoom level. This is overridden in the transitionRedraw // but at least then we'll have the target transition this._setScale(this.targetScale); var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node x: viewCenter.x - options.position.x,     y: viewCenter.y - options.position.y    }; this.targetTranslation = { x: this.sourceTranslation.x + distanceFromCenter.x * this.targetScale + options.offset.x,     y: this.sourceTranslation.y + distanceFromCenter.y * this.targetScale + options.offset.y    };

// if the time is set to 0, don't do an animation if (options.animation.duration == 0) { if (this.lockedOnNodeId != null) { this._classicRedraw = this._redraw; this._redraw = this._lockedRedraw; }     else { this._setScale(this.targetScale); this._setTranslation(this.targetTranslation.x, this.targetTranslation.y); this._redraw; }   }    else { this.animating = true; this.animationSpeed = 1 / (this.renderRefreshRate * options.animation.duration * 0.001) || 1 / this.renderRefreshRate; this.animationEasingFunction = options.animation.easingFunction; this._classicRedraw = this._redraw; this._redraw = this._transitionRedraw; this._redraw; this.start; } };

/**  * used to animate smoothly by hijacking the redraw function. * @private */ Network.prototype._lockedRedraw = function  { var nodePosition = {x: this.nodes[this.lockedOnNodeId].x, y: this.nodes[this.lockedOnNodeId].y}; var viewCenter = this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); var distanceFromCenter = { // offset from view, distance view has to change by these x and y to center the node x: viewCenter.x - nodePosition.x,     y: viewCenter.y - nodePosition.y    }; var sourceTranslation = this._getTranslation; var targetTranslation = { x: sourceTranslation.x + distanceFromCenter.x * this.scale + this.lockedOnNodeOffset.x,     y: sourceTranslation.y + distanceFromCenter.y * this.scale + this.lockedOnNodeOffset.y    };

this._setTranslation(targetTranslation.x,targetTranslation.y); this._classicRedraw; }

Network.prototype.releaseNode = function { if (this.lockedOnNodeId != null) { this._redraw = this._classicRedraw; this.lockedOnNodeId = null; this.lockedOnNodeOffset = null; } }

/**  *   * @param easingTime * @private */ Network.prototype._transitionRedraw = function (easingTime) { this.easingTime = easingTime || this.easingTime + this.animationSpeed; this.easingTime += this.animationSpeed;

var progress = util.easingFunctions[this.animationEasingFunction](this.easingTime);

this._setScale(this.sourceScale + (this.targetScale - this.sourceScale) * progress); this._setTranslation(     this.sourceTranslation.x + (this.targetTranslation.x - this.sourceTranslation.x) * progress,      this.sourceTranslation.y + (this.targetTranslation.y - this.sourceTranslation.y) * progress    );

this._classicRedraw;

// cleanup if (this.easingTime >= 1.0) { this.animating = false; this.easingTime = 0; if (this.lockedOnNodeId != null) { this._redraw = this._lockedRedraw; }     else { this._redraw = this._classicRedraw; }     this.emit("animationFinished"); } };

Network.prototype._classicRedraw = function { // placeholder function to be overloaded by animations; };

/**  * Returns true when the Network is active. * @returns {boolean} */ Network.prototype.isActive = function  { return !this.activator || this.activator.active; };

/**  * Sets the scale * @returns {Number} */ Network.prototype.setScale = function  { return this._setScale; };

/**  * Returns the scale * @returns {Number} */ Network.prototype.getScale = function  { return this._getScale; };

/**  * Returns the scale * @returns {Number} */ Network.prototype.getCenterCoordinates = function  { return this.DOMtoCanvas({x: 0.5 * this.frame.canvas.clientWidth, y: 0.5 * this.frame.canvas.clientHeight}); };

Network.prototype.getBoundingBox = function(nodeId) { if (this.nodes[nodeId] !== undefined) { return this.nodes[nodeId].boundingBox; } }

Network.prototype.getConnectedNodes = function(nodeId) { var nodeList = []; if (this.nodes[nodeId] !== undefined) { var node = this.nodes[nodeId]; var nodeObj = {nodeId : true}; // used to quickly check if node already exists for (var i = 0; i < node.edges.length; i++) { var edge = node.edges[i]; if (edge.toId == nodeId) { if (nodeObj[edge.fromId] === undefined) { nodeList.push(edge.fromId); nodeObj[edge.fromId] = true; }       }        else if (edge.fromId == nodeId) { if (nodeObj[edge.toId] === undefined) { nodeList.push(edge.toId) nodeObj[edge.toId] = true; }       }      }    }    return nodeList; }

Network.prototype.getEdgesFromNode = function(nodeId) { var edgesList = []; if (this.nodes[nodeId] !== undefined) { var node = this.nodes[nodeId]; for (var i = 0; i < node.edges.length; i++) { edgesList.push(node.edges[i].id); }   }    return edgesList; }

Network.prototype.generateColorObject = function(color) { return util.parseColor(color);

}

module.exports = Network;

/***/ }, /* 37 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Node = __webpack_require__(40);

/**  * @class Edge *  * A edge connects two nodes * @param {Object} properties    Object with properties. Must contain *                               At least properties from and to. *                               Available properties: from (number), *                               to (number), label (string, color (string),   *                                width (number), style (string),   *                                length (number), title (string)   * @param {Network} network       A Network object, used to find and edge to   *                                nodes.   * @param {Object} constants      An object with default values for   *                                example for the color   */  function Edge (properties, network, networkConstants) {    if (!network) {      throw "No network provided";    }    var fields = ['edges','physics'];    var constants = util.selectiveBridgeObject(fields,networkConstants);    this.options = constants.edges;    this.physics = constants.physics;    this.options['smoothCurves'] = networkConstants['smoothCurves'];

this.network = network;

// initialize variables this.id    = undefined; this.fromId = undefined; this.toId  = undefined; this.title = undefined; this.widthSelected = this.options.width * this.options.widthSelectionMultiplier; this.value = undefined; this.selected = false; this.hover = false; this.labelDimensions = {top:0,left:0,width:0,height:0,yLine:0}; // could be cached this.dirtyLabel = true; this.colorDirty = true;

this.from = null;  // a node this.to = null;    // a node this.via = null;   // a temp node

this.fromBackup = null; // used to clean up after reconnect this.toBackup = null;; // used to clean up after reconnect

// we use this to be able to reconnect the edge to a cluster if its node is put into a cluster // by storing the original information we can revert to the original connection when the cluser is opened. this.originalFromId = []; this.originalToId = [];

this.connected = false;

this.widthFixed = false; this.lengthFixed = false;

this.setProperties(properties);

this.controlNodesEnabled = false; this.controlNodes = {from:null, to:null, positions:{}}; this.connectedNode = null; }

/**  * Set or overwrite properties for the edge * @param {Object} properties an object with properties * @param {Object} constants  and object with default, global properties */ Edge.prototype.setProperties = function(properties) { this.colorDirty = true; if (!properties) { return; }

var fields = ['style','fontSize','fontFace','fontColor','fontFill','fontStrokeWidth','fontStrokeColor','width', 'widthSelectionMultiplier','hoverWidth','arrowScaleFactor','dash','inheritColor','labelAlignment', 'opacity', 'customScalingFunction','useGradients' ];   util.selectiveDeepExtend(fields, this.options, properties);

if (properties.from !== undefined)          {this.fromId = properties.from;} if (properties.to !== undefined)            {this.toId = properties.to;}

if (properties.id !== undefined)            {this.id = properties.id;} if (properties.label !== undefined)         {this.label = properties.label; this.dirtyLabel = true;}

if (properties.title !== undefined)       {this.title = properties.title;} if (properties.value !== undefined)       {this.value = properties.value;} if (properties.length !== undefined)      {this.physics.springLength = properties.length;}

if (properties.color !== undefined) { this.options.inheritColor = false; if (util.isString(properties.color)) { this.options.color.color = properties.color; this.options.color.highlight = properties.color; }     else { if (properties.color.color !== undefined)    {this.options.color.color = properties.color.color;} if (properties.color.highlight !== undefined) {this.options.color.highlight = properties.color.highlight;} if (properties.color.hover !== undefined)    {this.options.color.hover = properties.color.hover;} }   }

// A node is connected when it has a from and to node. this.connect;

this.widthFixed = this.widthFixed || (properties.width !== undefined); this.lengthFixed = this.lengthFixed || (properties.length !== undefined);

this.widthSelected = this.options.width* this.options.widthSelectionMultiplier;

// set draw method based on style switch (this.options.style) { case 'line':         this.draw = this._drawLine; break; case 'arrow':        this.draw = this._drawArrow; break; case 'arrow-center': this.draw = this._drawArrowCenter; break; case 'dash-line':    this.draw = this._drawDashLine; break; default:             this.draw = this._drawLine; break; } };

/**  * Connect an edge to its nodes */ Edge.prototype.connect = function  { this.disconnect;

this.from = this.network.nodes[this.fromId] || null; this.to = this.network.nodes[this.toId] || null; this.connected = (this.from && this.to);

if (this.connected) { this.from.attachEdge(this); this.to.attachEdge(this); }   else { if (this.from) { this.from.detachEdge(this); }     if (this.to) { this.to.detachEdge(this); }   }  };

/**  * Disconnect an edge from its nodes */ Edge.prototype.disconnect = function  { if (this.from) { this.from.detachEdge(this); this.from = null; }   if (this.to) { this.to.detachEdge(this); this.to = null; }

this.connected = false; };

/**  * get the title of this edge. * @return {string} title   The title of the edge, or undefined when no title *                          has been set. */ Edge.prototype.getTitle = function { return typeof this.title === "function" ? this.title : this.title; };

/**  * Retrieve the value of the edge. Can be undefined * @return {Number} value */ Edge.prototype.getValue = function { return this.value; };

/**  * Adjust the value range of the edge. The edge will adjust it's width * based on its value. * @param {Number} min * @param {Number} max */ Edge.prototype.setValueRange = function(min, max, total) { if (!this.widthFixed && this.value !== undefined) { var scale = this.options.customScalingFunction(min, max, total, this.value); var widthDiff = this.options.widthMax - this.options.widthMin; this.options.width = this.options.widthMin + scale * widthDiff; this.widthSelected = this.options.width* this.options.widthSelectionMultiplier; } };

/**  * Redraw a edge * Draw this edge in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx */ Edge.prototype.draw = function(ctx) { throw "Method draw not initialized in edge"; };

/**  * Check if this object is overlapping with the provided object * @param {Object} obj  an object with parameters left, top * @return {boolean}    True if location is located on the edge */ Edge.prototype.isOverlappingWith = function(obj) { if (this.connected) { var distMax = 10; var xFrom = this.from.x;     var yFrom = this.from.y;      var xTo = this.to.x;      var yTo = this.to.y;      var xObj = obj.left; var yObj = obj.top;

var dist = this._getDistanceToEdge(xFrom, yFrom, xTo, yTo, xObj, yObj);

return (dist < distMax); }   else { return false } };

Edge.prototype._getColor = function(ctx) { var colorObj = this.options.color; if (this.options.useGradients == true) { var grd = ctx.createLinearGradient(this.from.x, this.from.y, this.to.x, this.to.y); var fromColor, toColor; fromColor = this.from.options.color.highlight.border; toColor = this.to.options.color.highlight.border;

if (this.from.selected == false && this.to.selected == false) { fromColor = util.overrideOpacity(this.from.options.color.border, this.options.opacity); toColor = util.overrideOpacity(this.to.options.color.border, this.options.opacity); }     else if (this.from.selected == true && this.to.selected == false) { toColor = this.to.options.color.border; }     else if (this.from.selected == false && this.to.selected == true) { fromColor = this.from.options.color.border; }     grd.addColorStop(0, fromColor); grd.addColorStop(1, toColor); return grd; }

if (this.colorDirty === true) { if (this.options.inheritColor == "to") { colorObj = { highlight: this.to.options.color.highlight.border, hover: this.to.options.color.hover.border, color: util.overrideOpacity(this.from.options.color.border, this.options.opacity) };     }      else if (this.options.inheritColor == "from" || this.options.inheritColor == true) { colorObj = { highlight: this.from.options.color.highlight.border, hover: this.from.options.color.hover.border, color: util.overrideOpacity(this.from.options.color.border, this.options.opacity) };     }      this.options.color = colorObj; this.colorDirty = false; }

if (this.selected == true)  {return colorObj.highlight;} else if (this.hover == true) {return colorObj.hover;} else                        {return colorObj.color;} };

/**  * Redraw a edge as a line * Draw this edge in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx * @private */ Edge.prototype._drawLine = function(ctx) { // set style ctx.strokeStyle = this._getColor(ctx); ctx.lineWidth  = this._getLineWidth;

if (this.from != this.to) { // draw line var via = this._line(ctx);

// draw label var point; if (this.label) { if (this.options.smoothCurves.enabled == true && via != null) { var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); point = {x:midpointX, y:midpointY}; }       else { point = this._pointOnLine(0.5); }       this._label(ctx, this.label, point.x, point.y); }   }    else { var x, y;     var radius = this.physics.springLength / 4; var node = this.from; if (!node.width) { node.resize(ctx); }     if (node.width > node.height) { x = node.x + node.width / 2; y = node.y - radius; }     else { x = node.x + radius; y = node.y - node.height / 2; }     this._circle(ctx, x, y, radius); point = this._pointOnCircle(x, y, radius, 0.5); this._label(ctx, this.label, point.x, point.y); } };

/**  * Get the line width of the edge. Depends on width and whether one of the * connected nodes is selected. * @return {Number} width * @private */ Edge.prototype._getLineWidth = function { if (this.selected == true) { return Math.max(Math.min(this.widthSelected, this.options.widthMax), 0.3*this.networkScaleInv); }   else { if (this.hover == true) { return Math.max(Math.min(this.options.hoverWidth, this.options.widthMax), 0.3*this.networkScaleInv); }     else { return Math.max(this.options.width, 0.3*this.networkScaleInv); }   }  };

Edge.prototype._getViaCoordinates = function { if (this.options.smoothCurves.dynamic == true && this.options.smoothCurves.enabled == true ) { return this.via; }   else if (this.options.smoothCurves.enabled == false) { return {x:0,y:0}; }   else { var xVia = null; var yVia = null; var factor = this.options.smoothCurves.roundness; var type = this.options.smoothCurves.type; var dx = Math.abs(this.from.x - this.to.x); var dy = Math.abs(this.from.y - this.to.y); if (type == 'discrete' || type == 'diagonalCross') { if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { if (this.from.y > this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dy; yVia = this.from.y - factor * dy; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dy; yVia = this.from.y - factor * dy; }         }          else if (this.from.y < this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dy; yVia = this.from.y + factor * dy; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dy; yVia = this.from.y + factor * dy; }         }          if (type == "discrete") { xVia = dx < factor * dy ? this.from.x : xVia; }       }        else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { if (this.from.y > this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dx; yVia = this.from.y - factor * dx; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dx; yVia = this.from.y - factor * dx; }         }          else if (this.from.y < this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dx; yVia = this.from.y + factor * dx; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dx; yVia = this.from.y + factor * dx; }         }          if (type == "discrete") { yVia = dy < factor * dx ? this.from.y : yVia; }       }      }      else if (type == "straightCross") { if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { // up - down xVia = this.from.x;         if (this.from.y < this.to.y) { yVia = this.to.y - (1 - factor) * dy; }         else { yVia = this.to.y + (1 - factor) * dy; }       }        else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { // left - right if (this.from.x < this.to.x) { xVia = this.to.x - (1 - factor) * dx; }         else { xVia = this.to.x + (1 - factor) * dx; }         yVia = this.from.y;        } }     else if (type == 'horizontal') { if (this.from.x < this.to.x) { xVia = this.to.x - (1 - factor) * dx; }       else { xVia = this.to.x + (1 - factor) * dx; }       yVia = this.from.y;      } else if (type == 'vertical') { xVia = this.from.x;       if (this.from.y < this.to.y) { yVia = this.to.y - (1 - factor) * dy; }       else { yVia = this.to.y + (1 - factor) * dy; }     }      else if (type == 'curvedCW') { var dx = this.to.x - this.from.x;       var dy = this.from.y - this.to.y;        var radius = Math.sqrt(dx*dx + dy*dy); var pi = Math.PI;

var originalAngle = Math.atan2(dy,dx); var myAngle = (originalAngle + ((factor * 0.5) + 0.5) * pi) % (2 * pi);

xVia = this.from.x + (factor*0.5 + 0.5)*radius*Math.sin(myAngle); yVia = this.from.y + (factor*0.5 + 0.5)*radius*Math.cos(myAngle); }     else if (type == 'curvedCCW') { var dx = this.to.x - this.from.x;       var dy = this.from.y - this.to.y;        var radius = Math.sqrt(dx*dx + dy*dy); var pi = Math.PI;

var originalAngle = Math.atan2(dy,dx); var myAngle = (originalAngle + ((-factor * 0.5) + 0.5) * pi) % (2 * pi);

xVia = this.from.x + (factor*0.5 + 0.5)*radius*Math.sin(myAngle); yVia = this.from.y + (factor*0.5 + 0.5)*radius*Math.cos(myAngle); }     else { // continuous if (Math.abs(this.from.x - this.to.x) < Math.abs(this.from.y - this.to.y)) { if (this.from.y > this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dy; yVia = this.from.y - factor * dy; xVia = this.to.x < xVia ? this.to.x : xVia; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dy; yVia = this.from.y - factor * dy; xVia = this.to.x > xVia ? this.to.x : xVia; }         }          else if (this.from.y < this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dy; yVia = this.from.y + factor * dy; xVia = this.to.x < xVia ? this.to.x : xVia; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dy; yVia = this.from.y + factor * dy; xVia = this.to.x > xVia ? this.to.x : xVia; }         }        }        else if (Math.abs(this.from.x - this.to.x) > Math.abs(this.from.y - this.to.y)) { if (this.from.y > this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dx; yVia = this.from.y - factor * dx; yVia = this.to.y > yVia ? this.to.y : yVia; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dx; yVia = this.from.y - factor * dx; yVia = this.to.y > yVia ? this.to.y : yVia; }         }          else if (this.from.y < this.to.y) { if (this.from.x < this.to.x) { xVia = this.from.x + factor * dx; yVia = this.from.y + factor * dx; yVia = this.to.y < yVia ? this.to.y : yVia; }           else if (this.from.x > this.to.x) { xVia = this.from.x - factor * dx; yVia = this.from.y + factor * dx; yVia = this.to.y < yVia ? this.to.y : yVia; }         }        }      }

return {x: xVia, y: yVia}; } };

/**  * Draw a line between two nodes * @param {CanvasRenderingContext2D} ctx * @private */ Edge.prototype._line = function (ctx) { // draw a straight line ctx.beginPath; ctx.moveTo(this.from.x, this.from.y); if (this.options.smoothCurves.enabled == true) { if (this.options.smoothCurves.dynamic == false) { var via = this._getViaCoordinates; if (via.x == null) { ctx.lineTo(this.to.x, this.to.y); ctx.stroke; return null; }       else { //       this.via.x = via.x;  //        this.via.y = via.y;          ctx.quadraticCurveTo(via.x,via.y,this.to.x, this.to.y); ctx.stroke; //ctx.circle(via.x,via.y,2) //ctx.stroke; return via; }     }      else { ctx.quadraticCurveTo(this.via.x,this.via.y,this.to.x, this.to.y); ctx.stroke; return this.via; }   }    else { ctx.lineTo(this.to.x, this.to.y); ctx.stroke; return null; } };

/**  * Draw a line from a node to itself, a circle * @param {CanvasRenderingContext2D} ctx * @param {Number} x  * @param {Number} y   * @param {Number} radius * @private */ Edge.prototype._circle = function (ctx, x, y, radius) { // draw a circle ctx.beginPath; ctx.arc(x, y, radius, 0, 2 * Math.PI, false); ctx.stroke; };

/**  * Draw label with white background and with the middle at (x, y)   * @param {CanvasRenderingContext2D} ctx * @param {String} text * @param {Number} x  * @param {Number} y   * @private */ Edge.prototype._label = function (ctx, text, x, y) { if (text) { ctx.font = ((this.from.selected || this.to.selected) ? "bold " : "") + this.options.fontSize + "px " + this.options.fontFace; var yLine;

if (this.dirtyLabel == true) { var lines = String(text).split('\n'); var lineCount = lines.length; var fontSize = Number(this.options.fontSize); yLine = y + (1 - lineCount) / 2 * fontSize;

var width = ctx.measureText(lines[0]).width; for (var i = 1; i < lineCount; i++) { var lineWidth = ctx.measureText(lines[i]).width; width = lineWidth > width ? lineWidth : width; }       var height = this.options.fontSize * lineCount; var left = x - width / 2; var top = y - height / 2;

// cache this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine}; }

var yLine = this.labelDimensions.yLine; ctx.save; if (this.options.labelAlignment != "horizontal"){ ctx.translate(x, yLine); this._rotateForLabelAlignment(ctx); x = 0; yLine = 0; }

this._drawLabelRect(ctx); this._drawLabelText(ctx,x,yLine, lines, lineCount, fontSize); ctx.restore; } };

/**  * Rotates the canvas so the text is most readable * @param {CanvasRenderingContext2D} ctx * @private */ Edge.prototype._rotateForLabelAlignment = function(ctx) { var dy = this.from.y - this.to.y; 	var dx = this.from.x - this.to.x;  	var angleInDegrees = Math.atan2(dy, dx);

// rotate so label it is readable if((angleInDegrees < -1 && dx < 0) || (angleInDegrees > 0 && dx < 0)){ angleInDegrees = angleInDegrees + Math.PI; } 	ctx.rotate(angleInDegrees); };

/**  * Draws the label rectangle * @param {CanvasRenderingContext2D} ctx * @param {String} labelAlignment * @private */ Edge.prototype._drawLabelRect = function(ctx) { if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { ctx.fillStyle = this.options.fontFill; var lineMargin = 2;

if (this.options.labelAlignment == 'line-center') { ctx.fillRect(-this.labelDimensions.width * 0.5, -this.labelDimensions.height * 0.5, this.labelDimensions.width, this.labelDimensions.height); }     else if (this.options.labelAlignment == 'line-above') { ctx.fillRect(-this.labelDimensions.width * 0.5, -(this.labelDimensions.height + lineMargin), this.labelDimensions.width, this.labelDimensions.height); }     else if (this.options.labelAlignment == 'line-below') { ctx.fillRect(-this.labelDimensions.width * 0.5, lineMargin, this.labelDimensions.width, this.labelDimensions.height); }     else { ctx.fillRect(this.labelDimensions.left, this.labelDimensions.top, this.labelDimensions.width, this.labelDimensions.height); }   }  };

/**  * Draws the label text * @param {CanvasRenderingContext2D} ctx * @param {Number} x  * @param {Number} yLine * @param {Array} lines * @param {Number} lineCount * @param {Number} fontSize * @private */ Edge.prototype._drawLabelText = function(ctx, x, yLine, lines, lineCount, fontSize) { // draw text ctx.fillStyle = this.options.fontColor || "black"; ctx.textAlign = "center";

// check for label alignment if (this.options.labelAlignment != 'horizontal') { var lineMargin = 2; if (this.options.labelAlignment == 'line-above') { ctx.textBaseline = "alphabetic"; yLine -= 2 * lineMargin; // distance from edge, required because we use alphabetic. Alphabetic has less difference between browsers }     else if (this.options.labelAlignment == 'line-below') { ctx.textBaseline = "hanging"; yLine += 2 * lineMargin;// distance from edge, required because we use hanging. Hanging has less difference between browsers }     else { ctx.textBaseline = "middle"; }   }    else { ctx.textBaseline = "middle"; }

// check for strokeWidth if (this.options.fontStrokeWidth > 0){ ctx.lineWidth  = this.options.fontStrokeWidth; ctx.strokeStyle = this.options.fontStrokeColor; ctx.lineJoin   = 'round'; } 	for (var i = 0; i < lineCount; i++) { if(this.options.fontStrokeWidth > 0){ ctx.strokeText(lines[i], x, yLine); } 		ctx.fillText(lines[i], x, yLine); yLine += fontSize; } };

/**  * Redraw a edge as a dashed line * Draw this edge in the given canvas * @author David Jordan * @date 2012-08-08 * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx * @private */ Edge.prototype._drawDashLine = function(ctx) { // set style ctx.strokeStyle = this._getColor(ctx); ctx.lineWidth = this._getLineWidth;

var via = null; // only firefox and chrome support this method, else we use the legacy one. if (ctx.setLineDash !== undefined) { ctx.save; // configure the dash pattern var pattern = [0]; if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) { pattern = [this.options.dash.length,this.options.dash.gap]; }     else { pattern = [5,5]; }

// set dash settings for chrome or firefox ctx.setLineDash(pattern); ctx.lineDashOffset = 0;

// draw the line via = this._line(ctx);

// restore the dash settings. ctx.setLineDash([0]); ctx.lineDashOffset = 0; ctx.restore; }   else { // unsupporting smooth lines // draw dashed line ctx.beginPath; ctx.lineCap = 'round'; if (this.options.dash.altLength !== undefined) //If an alt dash value has been set add to the array this value {       ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,            [this.options.dash.length,this.options.dash.gap,this.options.dash.altLength,this.options.dash.gap]); }     else if (this.options.dash.length !== undefined && this.options.dash.gap !== undefined) //If a dash and gap value has been set add to the array this value {       ctx.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,            [this.options.dash.length,this.options.dash.gap]); }     else //If all else fails draw a line {       ctx.moveTo(this.from.x, this.from.y); ctx.lineTo(this.to.x, this.to.y); }     ctx.stroke; }

// draw label if (this.label) { var point; if (this.options.smoothCurves.enabled == true && via != null) { var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); point = {x:midpointX, y:midpointY}; }     else { point = this._pointOnLine(0.5); }     this._label(ctx, this.label, point.x, point.y); } };

/**  * Get a point on a line * @param {Number} percentage. Value between 0 (line start) and 1 (line end) * @return {Object} point * @private */ Edge.prototype._pointOnLine = function (percentage) { return { x: (1 - percentage) * this.from.x + percentage * this.to.x,     y: (1 - percentage) * this.from.y + percentage * this.to.y    } };

/**  * Get a point on a circle * @param {Number} x  * @param {Number} y   * @param {Number} radius * @param {Number} percentage. Value between 0 (line start) and 1 (line end) * @return {Object} point * @private */ Edge.prototype._pointOnCircle = function (x, y, radius, percentage) { var angle = (percentage - 3/8) * 2 * Math.PI; return { x: x + radius * Math.cos(angle), y: y - radius * Math.sin(angle) } };

/**  * Redraw a edge as a line with an arrow halfway the line * Draw this edge in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx * @private */ Edge.prototype._drawArrowCenter = function(ctx) { var point; // set style ctx.strokeStyle = this._getColor(ctx); ctx.fillStyle = ctx.strokeStyle; ctx.lineWidth = this._getLineWidth;

if (this.from != this.to) { // draw line var via = this._line(ctx);

var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; // draw an arrow halfway the line if (this.options.smoothCurves.enabled == true && via != null) { var midpointX = 0.5*(0.5*(this.from.x + via.x) + 0.5*(this.to.x + via.x)); var midpointY = 0.5*(0.5*(this.from.y + via.y) + 0.5*(this.to.y + via.y)); point = {x:midpointX, y:midpointY}; }     else { point = this._pointOnLine(0.5); }

ctx.arrow(point.x, point.y, angle, length); ctx.fill; ctx.stroke;

// draw label if (this.label) { this._label(ctx, this.label, point.x, point.y); }   }    else { // draw circle var x, y;     var radius = 0.25 * Math.max(100,this.physics.springLength); var node = this.from; if (!node.width) { node.resize(ctx); }     if (node.width > node.height) { x = node.x + node.width * 0.5; y = node.y - radius; }     else { x = node.x + radius; y = node.y - node.height * 0.5; }     this._circle(ctx, x, y, radius);

// draw all arrows var angle = 0.2 * Math.PI; var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; point = this._pointOnCircle(x, y, radius, 0.5); ctx.arrow(point.x, point.y, angle, length); ctx.fill; ctx.stroke;

// draw label if (this.label) { point = this._pointOnCircle(x, y, radius, 0.5); this._label(ctx, this.label, point.x, point.y); }   }  };

Edge.prototype._pointOnBezier = function(t) { var via = this._getViaCoordinates;

var x = Math.pow(1-t,2)*this.from.x + (2*t*(1 - t))*via.x + Math.pow(t,2)*this.to.x;   var y = Math.pow(1-t,2)*this.from.y + (2*t*(1 - t))*via.y + Math.pow(t,2)*this.to.y;

return {x:x,y:y}; }

/**  * This function uses binary search to look for the point where the bezier curve crosses the border of the node. *  * @param from * @param ctx * @returns {*} * @private */ Edge.prototype._findBorderPosition = function(from,ctx) { var maxIterations = 10; var iteration = 0; var low = 0; var high = 1; var pos,angle,distanceToBorder, distanceToNodes, difference; var threshold = 0.2; var node = this.to; if (from == true) { node = this.from; }

while (low <= high && iteration < maxIterations) { var middle = (low + high) * 0.5;

pos = this._pointOnBezier(middle); angle = Math.atan2((node.y - pos.y), (node.x - pos.x)); distanceToBorder = node.distanceToBorder(ctx,angle); distanceToNodes = Math.sqrt(Math.pow(pos.x-node.x,2) + Math.pow(pos.y-node.y,2)); difference = distanceToBorder - distanceToNodes; if (Math.abs(difference) < threshold) { break; // found }     else if (difference < 0) { // distance to nodes is larger than distance to border --> t needs to be bigger if we're looking at the to node. if (from == false) { low = middle; }       else { high = middle; }     }      else { if (from == false) { high = middle; }       else { low = middle; }     }

iteration++; }   pos.t = middle;

return pos; };

/**  * Redraw a edge as a line with an arrow * Draw this edge in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx * @private */ Edge.prototype._drawArrow = function(ctx) { // set style ctx.strokeStyle = this._getColor(ctx); ctx.fillStyle = ctx.strokeStyle; ctx.lineWidth = this._getLineWidth;

// set vars var angle, length, arrowPos;

// if not connected to itself if (this.from != this.to) { // draw line this._line(ctx);

// draw arrow head if (this.options.smoothCurves.enabled == true) { var via = this._getViaCoordinates; arrowPos = this._findBorderPosition(false, ctx); var guidePos = this._pointOnBezier(Math.max(0.0, arrowPos.t - 0.1)) angle = Math.atan2((arrowPos.y - guidePos.y), (arrowPos.x - guidePos.x)); }     else { angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); var dx = (this.to.x - this.from.x); var dy = (this.to.y - this.from.y); var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); var toBorderDist = this.to.distanceToBorder(ctx, angle); var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength;

arrowPos = {}; arrowPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x;       arrowPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y;      }

// draw arrow at the end of the line length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; ctx.arrow(arrowPos.x,arrowPos.y, angle, length); ctx.fill; ctx.stroke;

// draw label if (this.label) { var point; if (this.options.smoothCurves.enabled == true && via != null) { point = this._pointOnBezier(0.5); }       else { point = this._pointOnLine(0.5); }       this._label(ctx, this.label, point.x, point.y); }   }    else { // draw circle var node = this.from; var x, y, arrow; var radius = 0.25 * Math.max(100,this.physics.springLength); if (!node.width) { node.resize(ctx); }     if (node.width > node.height) { x = node.x + node.width * 0.5; y = node.y - radius; arrow = { x: x,         y: node.y,          angle: 0.9 * Math.PI        }; }     else { x = node.x + radius; y = node.y - node.height * 0.5; arrow = { x: node.x,         y: y,          angle: 0.6 * Math.PI        }; }     ctx.beginPath; // TODO: similarly, for a line without arrows, draw to the border of the nodes instead of the center ctx.arc(x, y, radius, 0, 2 * Math.PI, false); ctx.stroke;

// draw all arrows var length = (10 + 5 * this.options.width) * this.options.arrowScaleFactor; ctx.arrow(arrow.x, arrow.y, arrow.angle, length); ctx.fill; ctx.stroke;

// draw label if (this.label) { point = this._pointOnCircle(x, y, radius, 0.5); this._label(ctx, this.label, point.x, point.y); }   }  };

/**  * Calculate the distance between a point (x3,y3) and a line segment from * (x1,y1) to (x2,y2). * http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment * @param {number} x1  * @param {number} y1   * @param {number} x2   * @param {number} y2   * @param {number} x3   * @param {number} y3   * @private */ Edge.prototype._getDistanceToEdge = function (x1,y1, x2,y2, x3,y3) { // x3,y3 is the point var returnValue = 0; if (this.from != this.to) { if (this.options.smoothCurves.enabled == true) { var xVia, yVia; if (this.options.smoothCurves.enabled == true && this.options.smoothCurves.dynamic == true) { xVia = this.via.x;         yVia = this.via.y;        } else { var via = this._getViaCoordinates; xVia = via.x;         yVia = via.y;        } var minDistance = 1e9; var distance; var i,t,x,y, lastX, lastY; for (i = 0; i < 10; i++) { t = 0.1*i; x = Math.pow(1-t,2)*x1 + (2*t*(1 - t))*xVia + Math.pow(t,2)*x2; y = Math.pow(1-t,2)*y1 + (2*t*(1 - t))*yVia + Math.pow(t,2)*y2; if (i > 0) { distance = this._getDistanceToLine(lastX,lastY,x,y, x3,y3); minDistance = distance < minDistance ? distance : minDistance; }         lastX = x; lastY = y;        } returnValue = minDistance; }     else { returnValue = this._getDistanceToLine(x1,y1,x2,y2,x3,y3); }   }    else { var x, y, dx, dy; var radius = 0.25 * this.physics.springLength; var node = this.from; if (node.width > node.height) { x = node.x + 0.5 * node.width; y = node.y - radius; }     else { x = node.x + radius; y = node.y - 0.5 * node.height; }     dx = x - x3; dy = y - y3; returnValue = Math.abs(Math.sqrt(dx*dx + dy*dy) - radius); }

if (this.labelDimensions.left < x3 &&     this.labelDimensions.left + this.labelDimensions.width > x3 &&      this.labelDimensions.top < y3 &&      this.labelDimensions.top + this.labelDimensions.height > y3) { return 0; }   else { return returnValue; } };

Edge.prototype._getDistanceToLine = function(x1,y1,x2,y2,x3,y3) { var px = x2-x1, py = y2-y1, something = px*px + py*py, u = ((x3 - x1) * px + (y3 - y1) * py) / something;

if (u > 1) { u = 1; }   else if (u < 0) { u = 0; }

var x = x1 + u * px, y = y1 + u * py, dx = x - x3, dy = y - y3;

//# Note: If the actual distance does not matter, //# if you only want to compare what this function //# returns to other results of this function, you //# can just return the squared distance instead //# (i.e. remove the sqrt) to gain a little performance

return Math.sqrt(dx*dx + dy*dy); };

/**  * This allows the zoom level of the network to influence the rendering *  * @param scale */ Edge.prototype.setScale = function(scale) { this.networkScaleInv = 1.0/scale; };

Edge.prototype.select = function { this.selected = true; };

Edge.prototype.unselect = function { this.selected = false; };

Edge.prototype.positionBezierNode = function { if (this.via !== null && this.from !== null && this.to !== null) { this.via.x = 0.5 * (this.from.x + this.to.x); this.via.y = 0.5 * (this.from.y + this.to.y); }   else if (this.via !== null) { this.via.x = 0; this.via.y = 0; } };

/**  * This function draws the control nodes for the manipulator. * In order to enable this, only set the this.controlNodesEnabled to true. * @param ctx */ Edge.prototype._drawControlNodes = function(ctx) { if (this.controlNodesEnabled == true) { if (this.controlNodes.from === null && this.controlNodes.to === null) { var nodeIdFrom = "edgeIdFrom:".concat(this.id); var nodeIdTo = "edgeIdTo:".concat(this.id); var constants = { nodes:{group:'', radius:7, borderWidth:2, borderWidthSelected: 2}, physics:{damping:0}, clustering: {maxNodeSizeIncrements: 0 ,nodeScaling: {width:0, height: 0, radius:0}} };       this.controlNodes.from = new Node(          {id:nodeIdFrom,            shape:'dot',              color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}}          },{},{},constants); this.controlNodes.to = new Node(         {id:nodeIdTo,            shape:'dot',            color:{background:'#ff0000', border:'#3c3c3c', highlight: {background:'#07f968'}}          },{},{},constants); }

this.controlNodes.positions = {}; if (this.controlNodes.from.selected == false) { this.controlNodes.positions.from = this.getControlNodeFromPosition(ctx); this.controlNodes.from.x = this.controlNodes.positions.from.x;       this.controlNodes.from.y = this.controlNodes.positions.from.y;      } if (this.controlNodes.to.selected == false) { this.controlNodes.positions.to = this.getControlNodeToPosition(ctx); this.controlNodes.to.x = this.controlNodes.positions.to.x;       this.controlNodes.to.y = this.controlNodes.positions.to.y;      }

this.controlNodes.from.draw(ctx); this.controlNodes.to.draw(ctx); }   else { this.controlNodes = {from:null, to:null, positions:{}}; } };

/**  * Enable control nodes. * @private */ Edge.prototype._enableControlNodes = function { this.fromBackup = this.from; this.toBackup = this.to; this.controlNodesEnabled = true; };

/**  * disable control nodes and remove from dynamicEdges from old node * @private */ Edge.prototype._disableControlNodes = function { this.fromId = this.from.id; this.toId = this.to.id; if (this.fromId != this.fromBackup.id) { // from was changed, remove edge from old 'from' node dynamic edges this.fromBackup.detachEdge(this); }   else if (this.toId != this.toBackup.id) { // to was changed, remove edge from old 'to' node dynamic edges this.toBackup.detachEdge(this); }

this.fromBackup = null; this.toBackup = null; this.controlNodesEnabled = false; };

/**  * This checks if one of the control nodes is selected and if so, returns the control node object. Else it returns null. * @param x  * @param y   * @returns {null} * @private */ Edge.prototype._getSelectedControlNode = function(x,y) { var positions = this.controlNodes.positions; var fromDistance = Math.sqrt(Math.pow(x - positions.from.x,2) + Math.pow(y - positions.from.y,2)); var toDistance =  Math.sqrt(Math.pow(x - positions.to.x  ,2) + Math.pow(y - positions.to.y  ,2));

if (fromDistance < 15) { this.connectedNode = this.from; this.from = this.controlNodes.from; return this.controlNodes.from; }   else if (toDistance < 15) { this.connectedNode = this.to; this.to = this.controlNodes.to; return this.controlNodes.to; }   else { return null; } };

/**  * this resets the control nodes to their original position. * @private */ Edge.prototype._restoreControlNodes = function { if (this.controlNodes.from.selected == true) { this.from = this.connectedNode; this.connectedNode = null; this.controlNodes.from.unselect; }   else if (this.controlNodes.to.selected == true) { this.to = this.connectedNode; this.connectedNode = null; this.controlNodes.to.unselect; } };

/**  * this calculates the position of the control nodes on the edges of the parent nodes. *  * @param ctx * @returns {x: *, y: *} */ Edge.prototype.getControlNodeFromPosition = function(ctx) { // draw arrow head var controlnodeFromPos; if (this.options.smoothCurves.enabled == true) { controlnodeFromPos = this._findBorderPosition(true, ctx); }   else { var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); var dx = (this.to.x - this.from.x); var dy = (this.to.y - this.from.y); var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy);

var fromBorderDist = this.from.distanceToBorder(ctx, angle + Math.PI); var fromBorderPoint = (edgeSegmentLength - fromBorderDist) / edgeSegmentLength; controlnodeFromPos = {}; controlnodeFromPos.x = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x;     controlnodeFromPos.y = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y;    }

return controlnodeFromPos; };

/**  * this calculates the position of the control nodes on the edges of the parent nodes. *  * @param ctx * @returns */ Edge.prototype.getControlNodeToPosition = function(ctx) { // draw arrow head var controlnodeFromPos,controlnodeToPos; if (this.options.smoothCurves.enabled == true) { controlnodeToPos = this._findBorderPosition(false, ctx); }   else { var angle = Math.atan2((this.to.y - this.from.y), (this.to.x - this.from.x)); var dx = (this.to.x - this.from.x); var dy = (this.to.y - this.from.y); var edgeSegmentLength = Math.sqrt(dx * dx + dy * dy); var toBorderDist = this.to.distanceToBorder(ctx, angle); var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength;

controlnodeToPos = {}; controlnodeToPos.x = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x;     controlnodeToPos.y = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y;    }

return controlnodeToPos; };

module.exports = Edge;

/***/ }, /* 38 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1);

/**  * @class Groups * This class can store groups and properties specific for groups. */ function Groups { this.clear; this.defaultIndex = 0; this.groupsArray = []; this.groupIndex = 0; this.useDefaultGroups = true; }

/**  * default constants for group colors */ Groups.DEFAULT = [ {border: "#2B7CE9", background: "#97C2FC", highlight: {border: "#2B7CE9", background: "#D2E5FF"}, hover: {border: "#2B7CE9", background: "#D2E5FF"}}, // 0: blue {border: "#FFA500", background: "#FFFF00", highlight: {border: "#FFA500", background: "#FFFFA3"}, hover: {border: "#FFA500", background: "#FFFFA3"}}, // 1: yellow {border: "#FA0A10", background: "#FB7E81", highlight: {border: "#FA0A10", background: "#FFAFB1"}, hover: {border: "#FA0A10", background: "#FFAFB1"}}, // 2: red {border: "#41A906", background: "#7BE141", highlight: {border: "#41A906", background: "#A1EC76"}, hover: {border: "#41A906", background: "#A1EC76"}}, // 3: green {border: "#E129F0", background: "#EB7DF4", highlight: {border: "#E129F0", background: "#F0B3F5"}, hover: {border: "#E129F0", background: "#F0B3F5"}}, // 4: magenta {border: "#7C29F0", background: "#AD85E4", highlight: {border: "#7C29F0", background: "#D3BDF0"}, hover: {border: "#7C29F0", background: "#D3BDF0"}}, // 5: purple {border: "#C37F00", background: "#FFA807", highlight: {border: "#C37F00", background: "#FFCA66"}, hover: {border: "#C37F00", background: "#FFCA66"}}, // 6: orange {border: "#4220FB", background: "#6E6EFD", highlight: {border: "#4220FB", background: "#9B9BFD"}, hover: {border: "#4220FB", background: "#9B9BFD"}}, // 7: darkblue {border: "#FD5A77", background: "#FFC0CB", highlight: {border: "#FD5A77", background: "#FFD1D9"}, hover: {border: "#FD5A77", background: "#FFD1D9"}}, // 8: pink {border: "#4AD63A", background: "#C2FABC", highlight: {border: "#4AD63A", background: "#E6FFE3"}, hover: {border: "#4AD63A", background: "#E6FFE3"}}, // 9: mint

{border: "#990000", background: "#EE0000", highlight: {border: "#BB0000", background: "#FF3333"}, hover: {border: "#BB0000", background: "#FF3333"}}, // 10:bright red

{border: "#FF6000", background: "#FF6000", highlight: {border: "#FF6000", background: "#FF6000"}, hover: {border: "#FF6000", background: "#FF6000"}}, // 12: real orange {border: "#97C2FC", background: "#2B7CE9", highlight: {border: "#D2E5FF", background: "#2B7CE9"}, hover: {border: "#D2E5FF", background: "#2B7CE9"}}, // 13: blue {border: "#399605", background: "#255C03", highlight: {border: "#399605", background: "#255C03"}, hover: {border: "#399605", background: "#255C03"}}, // 14: green {border: "#B70054", background: "#FF007E", highlight: {border: "#B70054", background: "#FF007E"}, hover: {border: "#B70054", background: "#FF007E"}}, // 15: magenta {border: "#AD85E4", background: "#7C29F0", highlight: {border: "#D3BDF0", background: "#7C29F0"}, hover: {border: "#D3BDF0", background: "#7C29F0"}}, // 16: purple {border: "#4557FA", background: "#000EA1", highlight: {border: "#6E6EFD", background: "#000EA1"}, hover: {border: "#6E6EFD", background: "#000EA1"}}, // 17: darkblue {border: "#FFC0CB", background: "#FD5A77", highlight: {border: "#FFD1D9", background: "#FD5A77"}, hover: {border: "#FFD1D9", background: "#FD5A77"}}, // 18: pink {border: "#C2FABC", background: "#74D66A", highlight: {border: "#E6FFE3", background: "#74D66A"}, hover: {border: "#E6FFE3", background: "#74D66A"}}, // 19: mint

{border: "#EE0000", background: "#990000", highlight: {border: "#FF3333", background: "#BB0000"}, hover: {border: "#FF3333", background: "#BB0000"}}, // 20:bright red ];

/**  * Clear all groups */ Groups.prototype.clear = function  { this.groups = {}; this.groups.length = function {     var i = 0; for ( var p in this ) { if (this.hasOwnProperty(p)) { i++; }     }      return i;    } };

/**  * get group properties of a groupname. If groupname is not found, a new group * is added. * @param {*} groupname       Can be a number, string, Date, etc.   * @return {Object} group      The created group, containing all group properties */ Groups.prototype.get = function (groupname) { var group = this.groups[groupname]; if (group == undefined) { if (this.useDefaultGroups === false && this.groupsArray.length > 0) { // create new group var index = this.groupIndex % this.groupsArray.length; this.groupIndex++; group = {}; group.color = this.groups[this.groupsArray[index]]; this.groups[groupname] = group; }     else { // create new group var index = this.defaultIndex % Groups.DEFAULT.length; this.defaultIndex++; group = {}; group.color = Groups.DEFAULT[index]; this.groups[groupname] = group; }   }

return group; };

/**  * Add a custom group style * @param {String} groupName * @param {Object} style      An object containing borderColor, *                            backgroundColor, etc.   * @return {Object} group      The created group object */ Groups.prototype.add = function (groupName, style) { this.groups[groupName] = style; this.groupsArray.push(groupName); return style; };

module.exports = Groups;

/***/ }, /* 39 */ /***/ function(module, exports, __webpack_require__) {

/**  * @class Images * This class loads images and keeps them stored. */ function Images { this.images = {}; this.imageBroken = {}; this.callback = undefined; }

/**  * Set an onload callback function. This will be called each time an image * is loaded * @param {function} callback */ Images.prototype.setOnloadCallback = function(callback) { this.callback = callback; };

/**  *   * @param {string} url          Url of the image * @param {string} url         Url of an image to use if the url image is not found * @return {Image} img         The image object */ Images.prototype.load = function(url, brokenUrl) { var img = this.images[url]; // make a pointer if (img === undefined) { // create the image var me = this; img = new Image; img.onload = function { // IE11 fix -- thanks dponch! if (this.width == 0) { document.body.appendChild(this); this.width = this.offsetWidth; this.height = this.offsetHeight; document.body.removeChild(this); }

if (me.callback) { me.images[url] = img; me.callback(this); }     };

img.onerror = function { if (brokenUrl === undefined) { console.error("Could not load image:", url); delete this.src; if (me.callback) { me.callback(this); }       }        else { if (me.imageBroken[url] === true) { if (this.src == brokenUrl) { console.error("Could not load brokenImage:", brokenUrl); delete this.src; if (me.callback) { me.callback(this); }           }            else { console.error("Could not load image:", url); this.src = brokenUrl; }         }          else { console.error("Could not load image:", url); this.src = brokenUrl; me.imageBroken[url] = true; }       }      };

img.src = url; }

return img; };

module.exports = Images;

/***/ }, /* 40 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1);

/**  * @class Node * A node. A node can be connected to other nodes via one or multiple edges. * @param {object} properties An object containing properties for the node. All *                           properties are optional, except for the id. *                             {number} id     Id of the node. Required *                             {string} label  Text label for the node *                             {number} x      Horizontal position of the node *                             {number} y      Vertical position of the node *                             {string} shape  Node shape, available: *                                             "database", "circle", "ellipse", *                                             "box", "image", "text", "dot", *                                             "star", "triangle", "triangleDown", *                                             "square", "icon" *                             {string} image  An image url *                             {string} title  An title text, can be HTML *                             {anytype} group A group name or number * @param {Network.Images} imagelist   A list with images. Only needed *                                           when the node has an image * @param {Network.Groups} grouplist   A list with groups. Needed for *                                           retrieving group properties * @param {Object}              constants    An object with default values for *                                           example for the color *  */  function Node(properties, imagelist, grouplist, networkConstants) { var constants = util.selectiveBridgeObject(['nodes'],networkConstants); this.options = constants.nodes;

this.selected = false; this.hover = false;

this.edges = []; // all edges connected to this node this.dynamicEdges = []; this.reroutedEdges = {};

// set defaults for the properties this.id = undefined; this.allowedToMoveX = false; this.allowedToMoveY = false; this.xFixed = false; this.yFixed = false; this.horizontalAlignLeft = true; // these are for the navigation controls this.verticalAlignTop   = true; // these are for the navigation controls this.baseRadiusValue = networkConstants.nodes.radius; this.radiusFixed = false; this.level = -1; this.preassignedLevel = false; this.hierarchyEnumerated = false; this.labelDimensions = {top:0, left:0, width:0, height:0, yLine:0}; // could be cached this.boundingBox = {top:0, left:0, right:0, bottom:0};

this.imagelist = imagelist; this.grouplist = grouplist;

// physics properties this.fx = 0.0; // external force x    this.fy = 0.0;  // external force y    this.vx = 0.0;  // velocity x    this.vy = 0.0;  // velocity y    this.x = null; this.y = null; this.predefinedPosition = false; // used to check if initial zoomExtent should just take the range or approximate

// used for reverting to previous position on stabilization this.previousState = {vx:0,vy:0,x:0,y:0};

this.damping = networkConstants.physics.damping; // written every time gravity is calculated this.fixedData = {x:null,y:null};

this.setProperties(properties, constants);

// creating the variables for clustering this.resetCluster; this.clusterSession = 0; this.clusterSizeWidthFactor = networkConstants.clustering.nodeScaling.width; this.clusterSizeHeightFactor = networkConstants.clustering.nodeScaling.height; this.clusterSizeRadiusFactor = networkConstants.clustering.nodeScaling.radius; this.maxNodeSizeIncrements  = networkConstants.clustering.maxNodeSizeIncrements; this.growthIndicator = 0;

// variables to tell the node about the network. this.networkScaleInv = 1; this.networkScale = 1; this.canvasTopLeft = {"x": -300, "y": -300}; this.canvasBottomRight = {"x": 300, "y":  300}; this.parentEdgeId = null; }

/**  *  Revert the position and velocity of the previous step. */ Node.prototype.revertPosition = function { this.x = this.previousState.x;   this.y = this.previousState.y;    this.vx = this.previousState.vx; this.vy = this.previousState.vy; }

/**  * (re)setting the clustering variables and objects */ Node.prototype.resetCluster = function { // clustering variables this.formationScale = undefined; // this is used to determine when to open the cluster this.clusterSize = 1;           // this signifies the total amount of nodes in this cluster this.containedNodes = {}; this.containedEdges = {}; this.clusterSessions = []; };

/**  * Attach a edge to the node * @param {Edge} edge */ Node.prototype.attachEdge = function(edge) { if (this.edges.indexOf(edge) == -1) { this.edges.push(edge); }   if (this.dynamicEdges.indexOf(edge) == -1) { this.dynamicEdges.push(edge); } };

/**  * Detach a edge from the node * @param {Edge} edge */ Node.prototype.detachEdge = function(edge) { var index = this.edges.indexOf(edge); if (index != -1) { this.edges.splice(index, 1); }   index = this.dynamicEdges.indexOf(edge); if (index != -1) { this.dynamicEdges.splice(index, 1); } };

/**  * Set or overwrite properties for the node * @param {Object} properties an object with properties * @param {Object} constants and object with default, global properties */ Node.prototype.setProperties = function(properties, constants) { if (!properties) { return; }

var fields = ['borderWidth','borderWidthSelected','shape','image','brokenImage','radius','fontColor', 'fontSize','fontFace','fontFill','fontStrokeWidth','fontStrokeColor','group','mass','fontDrawThreshold', 'scaleFontWithValue','fontSizeMaxVisible','customScalingFunction','iconFontFace', 'icon', 'iconColor', 'iconSize' ];   util.selectiveDeepExtend(fields, this.options, properties);

// basic properties if (properties.id !== undefined)       {this.id = properties.id;} if (properties.label !== undefined)    {this.label = properties.label; this.originalLabel = properties.label;} if (properties.title !== undefined)    {this.title = properties.title;} if (properties.x !== undefined)        {this.x = properties.x; this.predefinedPosition = true;} if (properties.y !== undefined)        {this.y = properties.y; this.predefinedPosition = true;} if (properties.value !== undefined)    {this.value = properties.value;} if (properties.level !== undefined)    {this.level = properties.level; this.preassignedLevel = true;}

// navigation controls properties if (properties.horizontalAlignLeft !== undefined) {this.horizontalAlignLeft = properties.horizontalAlignLeft;} if (properties.verticalAlignTop   !== undefined) {this.verticalAlignTop    = properties.verticalAlignTop;} if (properties.triggerFunction    !== undefined) {this.triggerFunction     = properties.triggerFunction;}

if (this.id === undefined) { throw "Node must have an id"; }

// copy group properties if (typeof properties.group === 'number' || (typeof properties.group === 'string' && properties.group != '')) { var groupObj = this.grouplist.get(properties.group); util.deepExtend(this.options, groupObj); // the color object needs to be completely defined. Since groups can partially overwrite the colors, we parse it again, just in case. this.options.color = util.parseColor(this.options.color); }   // individual shape properties if (properties.radius !== undefined)        {this.baseRadiusValue = this.options.radius;} if (properties.color !== undefined)         {this.options.color = util.parseColor(properties.color);}

if (this.options.image !== undefined && this.options.image!= "") { if (this.imagelist) { this.imageObj = this.imagelist.load(this.options.image, this.options.brokenImage); }     else { throw "No imagelist provided"; }   }

if (properties.allowedToMoveX !== undefined) { this.xFixed = !properties.allowedToMoveX; this.allowedToMoveX = properties.allowedToMoveX; }   else if (properties.x !== undefined && this.allowedToMoveX == false) { this.xFixed = true; }

if (properties.allowedToMoveY !== undefined) { this.yFixed = !properties.allowedToMoveY; this.allowedToMoveY = properties.allowedToMoveY; }   else if (properties.y !== undefined && this.allowedToMoveY == false) { this.yFixed = true; }

this.radiusFixed = this.radiusFixed || (properties.radius !== undefined);

if (this.options.shape === 'image' || this.options.shape === 'circularImage') { this.options.radiusMin = constants.nodes.widthMin; this.options.radiusMax = constants.nodes.widthMax; }

// choose draw method depending on the shape switch (this.options.shape) { case 'database':     this.draw = this._drawDatabase; this.resize = this._resizeDatabase; break; case 'box':          this.draw = this._drawBox; this.resize = this._resizeBox; break; case 'circle':       this.draw = this._drawCircle; this.resize = this._resizeCircle; break; case 'ellipse':      this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; // TODO: add diamond shape case 'image':        this.draw = this._drawImage; this.resize = this._resizeImage; break; case 'circularImage': this.draw = this._drawCircularImage; this.resize = this._resizeCircularImage; break; case 'text':         this.draw = this._drawText; this.resize = this._resizeText; break; case 'dot':          this.draw = this._drawDot; this.resize = this._resizeShape; break; case 'square':       this.draw = this._drawSquare; this.resize = this._resizeShape; break; case 'triangle':     this.draw = this._drawTriangle; this.resize = this._resizeShape; break; case 'triangleDown': this.draw = this._drawTriangleDown; this.resize = this._resizeShape; break; case 'star':         this.draw = this._drawStar; this.resize = this._resizeShape; break; case 'icon':         this.draw = this._drawIcon; this.resize = this._resizeIcon; break; default:             this.draw = this._drawEllipse; this.resize = this._resizeEllipse; break; }   // reset the size of the node, this can be changed this._reset;

};

/**  * select this node */ Node.prototype.select = function { this.selected = true; this._reset; };

/**  * unselect this node */ Node.prototype.unselect = function { this.selected = false; this._reset; };

/**  * Reset the calculated size of the node, forces it to recalculate its size */ Node.prototype.clearSizeCache = function { this._reset; };

/**  * Reset the calculated size of the node, forces it to recalculate its size * @private */ Node.prototype._reset = function { this.width = undefined; this.height = undefined; };

/**  * get the title of this node. * @return {string} title   The title of the node, or undefined when no title *                          has been set. */ Node.prototype.getTitle = function { return typeof this.title === "function" ? this.title : this.title; };

/**  * Calculate the distance to the border of the Node * @param {CanvasRenderingContext2D}  ctx * @param {Number} angle       Angle in radians * @returns {number} distance  Distance to the border in pixels */ Node.prototype.distanceToBorder = function (ctx, angle) { var borderWidth = 1;

if (!this.width) { this.resize(ctx); }

switch (this.options.shape) { case 'circle': case 'dot': return this.options.radius+ borderWidth;

case 'ellipse': var a = this.width / 2; var b = this.height / 2; var w = (Math.sin(angle) * a); var h = (Math.cos(angle) * b); return a * b / Math.sqrt(w * w + h * h);

// TODO: implement distanceToBorder for database // TODO: implement distanceToBorder for triangle // TODO: implement distanceToBorder for triangleDown

case 'box': case 'image': case 'text': default: if (this.width) { return Math.min(             Math.abs(this.width / 2 / Math.cos(angle)),              Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; // TODO: reckon with border radius too in case of box }       else { return 0; }

}   // TODO: implement calculation of distance to border for all shapes };

/**  * Set forces acting on the node * @param {number} fx  Force in horizontal direction * @param {number} fy  Force in vertical direction */ Node.prototype._setForce = function(fx, fy) { this.fx = fx; this.fy = fy; };

/**  * Add forces acting on the node * @param {number} fx  Force in horizontal direction * @param {number} fy  Force in vertical direction * @private */ Node.prototype._addForce = function(fx, fy) { this.fx += fx; this.fy += fy; };

/**  * Store the state before the next step */ Node.prototype.storeState = function { this.previousState.x = this.x;   this.previousState.y = this.y;    this.previousState.vx = this.vx; this.previousState.vy = this.vy; }

/**  * Perform one discrete step for the node * @param {number} interval   Time interval in seconds */ Node.prototype.discreteStep = function(interval) { this.storeState; if (!this.xFixed) { var dx  = this.damping * this.vx;     // damping force var ax  = (this.fx - dx) / this.options.mass;  // acceleration this.vx += ax * interval;              // velocity this.x += this.vx * interval;          // position }   else { this.fx = 0; this.vx = 0; }

if (!this.yFixed) { var dy  = this.damping * this.vy;     // damping force var ay  = (this.fy - dy) / this.options.mass;  // acceleration this.vy += ay * interval;              // velocity this.y += this.vy * interval;          // position }   else { this.fy = 0; this.vy = 0; } };

/**  * Perform one discrete step for the node * @param {number} interval   Time interval in seconds * @param {number} maxVelocity The speed limit imposed on the velocity */ Node.prototype.discreteStepLimited = function(interval, maxVelocity) { this.storeState; if (!this.xFixed) { var dx  = this.damping * this.vx;     // damping force var ax  = (this.fx - dx) / this.options.mass;  // acceleration this.vx += ax * interval;              // velocity this.vx = (Math.abs(this.vx) > maxVelocity) ? ((this.vx > 0) ? maxVelocity : -maxVelocity) : this.vx; this.x += this.vx * interval;          // position }   else { this.fx = 0; this.vx = 0; }

if (!this.yFixed) { var dy  = this.damping * this.vy;     // damping force var ay  = (this.fy - dy) / this.options.mass;  // acceleration this.vy += ay * interval;              // velocity this.vy = (Math.abs(this.vy) > maxVelocity) ? ((this.vy > 0) ? maxVelocity : -maxVelocity) : this.vy; this.y += this.vy * interval;          // position }   else { this.fy = 0; this.vy = 0; } };

/**  * Check if this node has a fixed x and y position * @return {boolean}     true if fixed, false if not */ Node.prototype.isFixed = function { return (this.xFixed && this.yFixed); };

/**  * Check if this node is moving * @param {number} vmin  the minimum velocity considered as "moving" * @return {boolean}     true if moving, false if it has no velocity */ Node.prototype.isMoving = function(vmin) { var velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)); // this.velocity = Math.sqrt(Math.pow(this.vx,2) + Math.pow(this.vy,2)) return (velocity > vmin); };

/**  * check if this node is selecte * @return {boolean} selected  True if node is selected, else false */ Node.prototype.isSelected = function { return this.selected; };

/**  * Retrieve the value of the node. Can be undefined * @return {Number} value */ Node.prototype.getValue = function { return this.value; };

/**  * Calculate the distance from the nodes location to the given location (x,y) * @param {Number} x  * @param {Number} y   * @return {Number} value */ Node.prototype.getDistance = function(x, y) { var dx = this.x - x,       dy = this.y - y;    return Math.sqrt(dx * dx + dy * dy); };

/**  * Adjust the value range of the node. The node will adjust it's radius * based on its value. * @param {Number} min * @param {Number} max */ Node.prototype.setValueRange = function(min, max, total) { if (!this.radiusFixed && this.value !== undefined) { var scale = this.options.customScalingFunction(min, max, total, this.value); var radiusDiff = this.options.radiusMax - this.options.radiusMin; if (this.options.scaleFontWithValue == true) { var fontDiff = this.options.fontSizeMax - this.options.fontSizeMin; this.options.fontSize = this.options.fontSizeMin + scale * fontDiff; }     this.options.radius = this.options.radiusMin + scale * radiusDiff; }

this.baseRadiusValue = this.options.radius; };

/**  * Draw this node in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx */ Node.prototype.draw = function(ctx) { throw "Draw method not initialized for node"; };

/**  * Recalculate the size of this node in the given canvas * The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d"); * @param {CanvasRenderingContext2D}  ctx */ Node.prototype.resize = function(ctx) { throw "Resize method not initialized for node"; };

/**  * Check if this object is overlapping with the provided object * @param {Object} obj  an object with parameters left, top, right, bottom * @return {boolean}    True if location is located on node */ Node.prototype.isOverlappingWith = function(obj) { return (this.left             < obj.right  &&            this.left + this.width > obj.left   &&            this.top               < obj.bottom &&            this.top + this.height > obj.top); };

Node.prototype._resizeImage = function (ctx) { // TODO: pre calculate the image size

if (!this.width || !this.height) { // undefined or 0 var width, height; if (this.value) { this.options.radius= this.baseRadiusValue; var scale = this.imageObj.height / this.imageObj.width; if (scale !== undefined) { width = this.options.radius|| this.imageObj.width; height = this.options.radius* scale || this.imageObj.height; }       else { width = 0; height = 0; }     }      else { width = this.imageObj.width; height = this.imageObj.height; }     this.width  = width; this.height = height;

this.growthIndicator = 0; if (this.width > 0 && this.height > 0) { this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements)  * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - width; }   }  };

Node.prototype._drawImageAtPosition = function (ctx) { if (this.imageObj.width != 0 ) { // draw the shade if (this.clusterSize > 1) { var lineWidth = ((this.clusterSize > 1) ? 10 : 0.0); lineWidth *= this.networkScaleInv; lineWidth = Math.min(0.2 * this.width,lineWidth);

ctx.globalAlpha = 0.5; ctx.drawImage(this.imageObj, this.left - lineWidth, this.top - lineWidth, this.width + 2*lineWidth, this.height + 2*lineWidth); }

// draw the image ctx.globalAlpha = 1.0; ctx.drawImage(this.imageObj, this.left, this.top, this.width, this.height); } };

Node.prototype._drawImageLabel = function (ctx) { var yLabel; var offset = 0; if (this.height){ offset = this.height / 2; var labelDimensions = this.getTextSize(ctx); if (labelDimensions.lineCount >= 1){ offset += labelDimensions.height / 2; offset += 3; }   }    yLabel = this.y + offset;

this._label(ctx, this.label, this.x, yLabel, undefined); };

Node.prototype._drawImage = function (ctx) { this._resizeImage(ctx); this.left  = this.x - this.width / 2; this.top   = this.y - this.height / 2;

this._drawImageAtPosition(ctx);

this.boundingBox.top = this.top; this.boundingBox.left = this.left; this.boundingBox.right = this.left + this.width; this.boundingBox.bottom = this.top + this.height;

this._drawImageLabel(ctx); this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); };

Node.prototype._resizeCircularImage = function (ctx) { if(!this.imageObj.src || !this.imageObj.width || !this.imageObj.height){ if (!this.width) { var diameter = this.options.radius * 2; this.width = diameter; this.height = diameter;

// scaling used for clustering //this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; //this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; this.growthIndicator = this.options.radius- 0.5*diameter; this._swapToImageResizeWhenImageLoaded = true; }   }    else { if (this._swapToImageResizeWhenImageLoaded) { this.width = 0; this.height = 0; delete this._swapToImageResizeWhenImageLoaded; }     this._resizeImage(ctx); }

};

Node.prototype._drawCircularImage = function (ctx) { this._resizeCircularImage(ctx);

this.left  = this.x - this.width / 2; this.top   = this.y - this.height / 2; var centerX = this.left + (this.width / 2); var centerY = this.top + (this.height / 2); var radius = Math.abs(this.height / 2);

this._drawRawCircle(ctx, centerX, centerY, radius);

ctx.save; ctx.circle(this.x, this.y, radius); ctx.stroke; ctx.clip;

this._drawImageAtPosition(ctx);

ctx.restore;

this.boundingBox.top = this.y - this.options.radius; this.boundingBox.left = this.x - this.options.radius; this.boundingBox.right = this.x + this.options.radius; this.boundingBox.bottom = this.y + this.options.radius;

this._drawImageLabel(ctx); this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); };

Node.prototype._resizeBox = function (ctx) { if (!this.width) { var margin = 5; var textSize = this.getTextSize(ctx); this.width = textSize.width + 2 * margin; this.height = textSize.height + 2 * margin;

this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; this.growthIndicator = this.width - (textSize.width + 2 * margin); //   this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor;

} };

Node.prototype._drawBox = function (ctx) { this._resizeBox(ctx);

this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

var clusterLineWidth = 2.5; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;

ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border;

// draw the outer border if (this.clusterSize > 1) { ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.roundRect(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth, this.options.radius); ctx.stroke; }   ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background;

ctx.roundRect(this.left, this.top, this.width, this.height, this.options.radius); ctx.fill; ctx.stroke;

this.boundingBox.top = this.top; this.boundingBox.left = this.left; this.boundingBox.right = this.left + this.width; this.boundingBox.bottom = this.top + this.height;

this._label(ctx, this.label, this.x, this.y); };

Node.prototype._resizeDatabase = function (ctx) { if (!this.width) { var margin = 5; var textSize = this.getTextSize(ctx); var size = textSize.width + 2 * margin; this.width = size; this.height = size;

// scaling used for clustering this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - size; } };

Node.prototype._drawDatabase = function (ctx) { this._resizeDatabase(ctx); this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

var clusterLineWidth = 2.5; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;

ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border;

// draw the outer border if (this.clusterSize > 1) { ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.database(this.x - this.width/2 - 2*ctx.lineWidth, this.y - this.height*0.5 - 2*ctx.lineWidth, this.width + 4*ctx.lineWidth, this.height + 4*ctx.lineWidth); ctx.stroke; }   ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; ctx.database(this.x - this.width/2, this.y - this.height*0.5, this.width, this.height); ctx.fill; ctx.stroke;

this.boundingBox.top = this.top; this.boundingBox.left = this.left; this.boundingBox.right = this.left + this.width; this.boundingBox.bottom = this.top + this.height;

this._label(ctx, this.label, this.x, this.y); };

Node.prototype._resizeCircle = function (ctx) { if (!this.width) { var margin = 5; var textSize = this.getTextSize(ctx); var diameter = Math.max(textSize.width, textSize.height) + 2 * margin; this.options.radius = diameter / 2;

this.width = diameter; this.height = diameter;

// scaling used for clustering //   this.width  += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeWidthFactor; //   this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeHeightFactor; this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; this.growthIndicator = this.options.radius- 0.5*diameter; } };

Node.prototype._drawRawCircle = function (ctx, x, y, radius) { var clusterLineWidth = 2.5; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border;

// draw the outer border if (this.clusterSize > 1) { ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.circle(x, y, radius+2*ctx.lineWidth); ctx.stroke; }   ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; ctx.circle(this.x, this.y, radius); ctx.fill; ctx.stroke; };

Node.prototype._drawCircle = function (ctx) { this._resizeCircle(ctx); this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

this._drawRawCircle(ctx, this.x, this.y, this.options.radius);

this.boundingBox.top = this.y - this.options.radius; this.boundingBox.left = this.x - this.options.radius; this.boundingBox.right = this.x + this.options.radius; this.boundingBox.bottom = this.y + this.options.radius;

this._label(ctx, this.label, this.x, this.y); };

Node.prototype._resizeEllipse = function (ctx) { if (!this.width) { var textSize = this.getTextSize(ctx);

this.width = textSize.width * 1.5; this.height = textSize.height * 2; if (this.width < this.height) { this.width = this.height; }     var defaultSize = this.width;

// scaling used for clustering this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - defaultSize; } };

Node.prototype._drawEllipse = function (ctx) { this._resizeEllipse(ctx); this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

var clusterLineWidth = 2.5; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;

ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border;

// draw the outer border if (this.clusterSize > 1) { ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.ellipse(this.left-2*ctx.lineWidth, this.top-2*ctx.lineWidth, this.width+4*ctx.lineWidth, this.height+4*ctx.lineWidth); ctx.stroke; }   ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background;

ctx.ellipse(this.left, this.top, this.width, this.height); ctx.fill; ctx.stroke;

this.boundingBox.top = this.top; this.boundingBox.left = this.left; this.boundingBox.right = this.left + this.width; this.boundingBox.bottom = this.top + this.height;

this._label(ctx, this.label, this.x, this.y); };

Node.prototype._drawDot = function (ctx) { this._drawShape(ctx, 'circle'); };

Node.prototype._drawTriangle = function (ctx) { this._drawShape(ctx, 'triangle'); };

Node.prototype._drawTriangleDown = function (ctx) { this._drawShape(ctx, 'triangleDown'); };

Node.prototype._drawSquare = function (ctx) { this._drawShape(ctx, 'square'); };

Node.prototype._drawStar = function (ctx) { this._drawShape(ctx, 'star'); };

Node.prototype._resizeShape = function (ctx) { if (!this.width) { this.options.radius= this.baseRadiusValue; var size = 2 * this.options.radius; this.width = size; this.height = size;

// scaling used for clustering this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * 0.5 * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - size; } };

Node.prototype._drawShape = function (ctx, shape) { this._resizeShape(ctx);

this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

var clusterLineWidth = 2.5; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; var radiusMultiplier = 2;

// choose draw method depending on the shape switch (shape) { case 'dot':          radiusMultiplier = 2; break; case 'square':       radiusMultiplier = 2; break; case 'triangle':     radiusMultiplier = 3; break; case 'triangleDown': radiusMultiplier = 3; break; case 'star':         radiusMultiplier = 4; break; }

ctx.strokeStyle = this.selected ? this.options.color.highlight.border : this.hover ? this.options.color.hover.border : this.options.color.border; // draw the outer border if (this.clusterSize > 1) { ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx[shape](this.x, this.y, this.options.radius+ radiusMultiplier * ctx.lineWidth); ctx.stroke; }   ctx.lineWidth = (this.selected ? selectionLineWidth : borderWidth) + ((this.clusterSize > 1) ? clusterLineWidth : 0.0); ctx.lineWidth *= this.networkScaleInv; ctx.lineWidth = Math.min(this.width,ctx.lineWidth);

ctx.fillStyle = this.selected ? this.options.color.highlight.background : this.hover ? this.options.color.hover.background : this.options.color.background; ctx[shape](this.x, this.y, this.options.radius); ctx.fill; ctx.stroke;

this.boundingBox.top = this.y - this.options.radius; this.boundingBox.left = this.x - this.options.radius; this.boundingBox.right = this.x + this.options.radius; this.boundingBox.bottom = this.y + this.options.radius;

if (this.label) { this._label(ctx, this.label, this.x, this.y + this.height / 2, undefined, 'hanging',true); this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); } };

Node.prototype._resizeText = function (ctx) { if (!this.width) { var margin = 5; var textSize = this.getTextSize(ctx); this.width = textSize.width + 2 * margin; this.height = textSize.height + 2 * margin;

// scaling used for clustering this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius+= Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - (textSize.width + 2 * margin); } };

Node.prototype._drawText = function (ctx) { this._resizeText(ctx); this.left = this.x - this.width / 2; this.top = this.y - this.height / 2;

this._label(ctx, this.label, this.x, this.y);

this.boundingBox.top = this.top; this.boundingBox.left = this.left; this.boundingBox.right = this.left + this.width; this.boundingBox.bottom = this.top + this.height; };

Node.prototype._resizeIcon = function (ctx) { if (!this.width) { var margin = 5; var iconSize = {       width: Number(this.options.iconSize), height: Number(this.options.iconSize) };     this.width = iconSize.width + 2 * margin; this.height = iconSize.height + 2 * margin;

// scaling used for clustering this.width += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeWidthFactor; this.height += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeHeightFactor; this.options.radius += Math.min(this.clusterSize - 1, this.maxNodeSizeIncrements) * this.clusterSizeRadiusFactor; this.growthIndicator = this.width - (iconSize.width + 2 * margin); } };

Node.prototype._drawIcon = function (ctx) { this._resizeIcon(ctx);

this.options.iconSize = this.options.iconSize || 50;

this.left = this.x - this.width / 2; this.top = this.y - this.height / 2; this._icon(ctx);

this.boundingBox.top = this.y - this.options.iconSize/2; this.boundingBox.left = this.x - this.options.iconSize/2; this.boundingBox.right = this.x + this.options.iconSize/2; this.boundingBox.bottom = this.y + this.options.iconSize/2;

if (this.label) { var iconTextSpacing = 5; this._label(ctx, this.label, this.x, this.y + this.height / 2 + iconTextSpacing, 'top', true);

this.boundingBox.left = Math.min(this.boundingBox.left, this.labelDimensions.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelDimensions.left + this.labelDimensions.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelDimensions.height); } };

Node.prototype._icon = function (ctx) { var relativeIconSize = Number(this.options.iconSize) * this.networkScale; if (this.options.icon && relativeIconSize > this.options.fontDrawThreshold - 1) {

var iconSize = Number(this.options.iconSize);

ctx.font = (this.selected ? "bold " : "") + iconSize + "px " + this.options.iconFontFace;

// draw icon ctx.fillStyle = this.options.iconColor || "black"; ctx.textAlign = "center"; ctx.textBaseline = "middle"; ctx.fillText(this.options.icon, this.x, this.y); } };  Node.prototype._label = function (ctx, text, x, y, align, baseline, labelUnderNode) { var relativeFontSize = Number(this.options.fontSize) * this.networkScale; if (text && relativeFontSize >= this.options.fontDrawThreshold - 1) { var fontSize = Number(this.options.fontSize);

// this ensures that there will not be HUGE letters on screen by setting an upper limit on the visible text size (regardless of zoomLevel) if (relativeFontSize >= this.options.fontSizeMaxVisible) { fontSize = Number(this.options.fontSizeMaxVisible) * this.networkScaleInv; }

// fade in when relative scale is between threshold and threshold - 1 var fontColor = this.options.fontColor || "#000000"; var strokecolor = this.options.fontStrokeColor; if (relativeFontSize <= this.options.fontDrawThreshold) { var opacity = Math.max(0,Math.min(1,1 - (this.options.fontDrawThreshold - relativeFontSize))); fontColor  = util.overrideOpacity(fontColor,   opacity); strokecolor = util.overrideOpacity(strokecolor, opacity);

}

ctx.font = (this.selected ? "bold " : "") + fontSize + "px " + this.options.fontFace;

var lines = text.split('\n'); var lineCount = lines.length; var yLine = y + (1 - lineCount) / 2 * fontSize; if (labelUnderNode == true) { yLine = y + (1 - lineCount) / (2 * fontSize); }

// font fill from edges now for nodes! var width = ctx.measureText(lines[0]).width; for (var i = 1; i < lineCount; i++) { var lineWidth = ctx.measureText(lines[i]).width; width = lineWidth > width ? lineWidth : width; }     var height = fontSize * lineCount; var left = x - width / 2; var top = y - height / 2; if (baseline == "hanging") { top += 0.5 * fontSize; top += 4;  // distance from node, required because we use hanging. Hanging has less difference between browsers yLine += 4; // distance from node }     this.labelDimensions = {top:top,left:left,width:width,height:height,yLine:yLine};

// create the fontfill background if (this.options.fontFill !== undefined && this.options.fontFill !== null && this.options.fontFill !== "none") { ctx.fillStyle = this.options.fontFill; ctx.fillRect(left, top, width, height); }

// draw text ctx.fillStyle = fontColor; ctx.textAlign = align || "center"; ctx.textBaseline = baseline || "middle"; if (this.options.fontStrokeWidth > 0){ ctx.lineWidth  = this.options.fontStrokeWidth; ctx.strokeStyle = strokecolor; ctx.lineJoin   = 'round'; }     for (var i = 0; i < lineCount; i++) { if(this.options.fontStrokeWidth){ ctx.strokeText(lines[i], x, yLine); }       ctx.fillText(lines[i], x, yLine); yLine += fontSize; }   }  };

Node.prototype.getTextSize = function(ctx) { if (this.label !== undefined) { var fontSize = Number(this.options.fontSize); if (fontSize * this.networkScale > this.options.fontSizeMaxVisible) { fontSize = Number(this.options.fontSizeMaxVisible) * this.networkScaleInv; }     ctx.font = (this.selected ? "bold " : "") + fontSize + "px " + this.options.fontFace;

var lines = this.label.split('\n'), height = (fontSize + 4) * lines.length, width = 0;

for (var i = 0, iMax = lines.length; i < iMax; i++) { width = Math.max(width, ctx.measureText(lines[i]).width); }

return {"width": width, "height": height, lineCount: lines.length}; }   else { return {"width": 0, "height": 0, lineCount: 0}; } };

/**  * this is used to determine if a node is visible at all. this is used to determine when it needs to be drawn. * there is a safety margin of 0.3 * width; *  * @returns {boolean} */ Node.prototype.inArea = function { if (this.width !== undefined) { return (this.x + this.width *this.networkScaleInv >= this.canvasTopLeft.x     &&            this.x - this.width *this.networkScaleInv  <  this.canvasBottomRight.x &&            this.y + this.height*this.networkScaleInv  >= this.canvasTopLeft.y     &&            this.y - this.height*this.networkScaleInv  <  this.canvasBottomRight.y); }   else { return true; } };

/**  * checks if the core of the node is in the display area, this is used for opening clusters around zoom * @returns {boolean} */ Node.prototype.inView = function { return (this.x >= this.canvasTopLeft.x   &&            this.x < this.canvasBottomRight.x &&            this.y >= this.canvasTopLeft.y    &&            this.y < this.canvasBottomRight.y); };

/**  * This allows the zoom level of the network to influence the rendering * We store the inverted scale and the coordinates of the top left, and bottom right points of the canvas *  * @param scale * @param canvasTopLeft * @param canvasBottomRight */ Node.prototype.setScaleAndPos = function(scale,canvasTopLeft,canvasBottomRight) { this.networkScaleInv = 1.0/scale; this.networkScale = scale; this.canvasTopLeft = canvasTopLeft; this.canvasBottomRight = canvasBottomRight; };

/**  * This allows the zoom level of the network to influence the rendering *  * @param scale */ Node.prototype.setScale = function(scale) { this.networkScaleInv = 1.0/scale; this.networkScale = scale; };

/**  * set the velocity at 0. Is called when this node is contained in another during clustering */ Node.prototype.clearVelocity = function { this.vx = 0; this.vy = 0; };

/**  * Basic preservation of (kinectic) energy *  * @param massBeforeClustering */ Node.prototype.updateVelocity = function(massBeforeClustering) { var energyBefore = this.vx * this.vx * massBeforeClustering; //this.vx = (this.vx < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); this.vx = Math.sqrt(energyBefore/this.options.mass); energyBefore = this.vy * this.vy * massBeforeClustering; //this.vy = (this.vy < 0) ? -Math.sqrt(energyBefore/this.options.mass) : Math.sqrt(energyBefore/this.options.mass); this.vy = Math.sqrt(energyBefore/this.options.mass); };

module.exports = Node;

/***/ }, /* 41 */ /***/ function(module, exports, __webpack_require__) {

/**  * Popup is a class to create a popup window with some text * @param {Element} container     The container object. * @param {Number} [x] * @param {Number} [y] * @param {String} [text] * @param {Object} [style]    An object containing borderColor, *                            backgroundColor, etc.   */ function Popup(container, x, y, text, style) { if (container) { this.container = container; }   else { this.container = document.body; }

// x, y and text are optional, see if a style object was passed in their place if (style === undefined) { if (typeof x === "object") { style = x;       x = undefined; } else if (typeof text === "object") { style = text; text = undefined; } else { // for backwards compatibility, in case clients other than Network are creating Popup directly style = { fontColor: 'black', fontSize: 14, // px         fontFace: 'verdana', color: { border: '#666', background: '#FFFFC6' }       }      }    }

this.x = 0; this.y = 0; this.padding = 5; this.hidden = false;

if (x !== undefined && y !== undefined) { this.setPosition(x, y); }   if (text !== undefined) { this.setText(text); }

// create the frame this.frame = document.createElement('div'); this.frame.className = 'network-tooltip'; this.frame.style.color          = style.fontColor; this.frame.style.backgroundColor = style.color.background; this.frame.style.borderColor    = style.color.border; this.frame.style.fontSize       = style.fontSize + 'px'; this.frame.style.fontFamily     = style.fontFace; this.container.appendChild(this.frame); }

/**  * @param {number} x   Horizontal position of the popup window * @param {number} y  Vertical position of the popup window */ Popup.prototype.setPosition = function(x, y) { this.x = parseInt(x); this.y = parseInt(y); };

/**  * Set the content for the popup window. This can be HTML code or text. * @param {string | Element} content */ Popup.prototype.setText = function(content) { if (content instanceof Element) { this.frame.innerHTML = ''; this.frame.appendChild(content); }   else { this.frame.innerHTML = content; // string containing text or HTML } };

/**  * Show the popup window * @param {boolean} show   Optional. Show or hide the window */ Popup.prototype.show = function (show) { if (show === undefined) { show = true; }

if (show) { var height = this.frame.clientHeight; var width = this.frame.clientWidth; var maxHeight = this.frame.parentNode.clientHeight; var maxWidth = this.frame.parentNode.clientWidth;

var top = (this.y - height); if (top + height + this.padding > maxHeight) { top = maxHeight - height - this.padding; }     if (top < this.padding) { top = this.padding; }

var left = this.x;     if (left + width + this.padding > maxWidth) { left = maxWidth - width - this.padding; }     if (left < this.padding) { left = this.padding; }

this.frame.style.left = left + "px"; this.frame.style.top = top + "px"; this.frame.style.visibility = "visible"; this.hidden = false; }   else { this.hide; } };

/**  * Hide the popup window */ Popup.prototype.hide = function  { this.hidden = true; this.frame.style.visibility = "hidden"; };

module.exports = Popup;

/***/ }, /* 42 */ /***/ function(module, exports, __webpack_require__) {

/**  * Parse a text source containing data in DOT language into a JSON object. * The object contains two lists: one with nodes and one with edges. *  * DOT language reference: http://www.graphviz.org/doc/info/lang.html *  * @param {String} data     Text containing a graph in DOT-notation * @return {Object} graph  An object containing two parameters: *                         {Object[]} nodes *                         {Object[]} edges */ function parseDOT (data) { dot = data; return parseGraph; }

// token types enumeration var TOKENTYPE = { NULL : 0, DELIMITER : 1, IDENTIFIER: 2, UNKNOWN : 3 };

// map with all delimiters var DELIMITERS = { '{': true, '}': true, '[': true, ']': true, ';': true, '=': true, ',': true,

'->': true, '--': true };

var dot = '';                  // current dot file var index = 0;                 // current index in dot file var c = '';                    // current token character in expr var token = '';                // current token var tokenType = TOKENTYPE.NULL; // type of the token

/**  * Get the first character from the dot file. * The character is stored into the char c. If the end of the dot file is  * reached, the function puts an empty string in c.   */ function first { index = 0; c = dot.charAt(0); }

/**  * Get the next character from the dot file. * The character is stored into the char c. If the end of the dot file is  * reached, the function puts an empty string in c.   */ function next { index++; c = dot.charAt(index); }

/**  * Preview the next character from the dot file. * @return {String} cNext */ function nextPreview { return dot.charAt(index + 1); }

/**  * Test whether given character is alphabetic or numeric * @param {String} c  * @return {Boolean} isAlphaNumeric */ var regexAlphaNumeric = /[a-zA-Z_0-9.:#]/; function isAlphaNumeric(c) { return regexAlphaNumeric.test(c); }

/**  * Merge all properties of object b into object b   * @param {Object} a   * @param {Object} b   * @return {Object} a   */ function merge (a, b) { if (!a) { a = {}; }

if (b) { for (var name in b) { if (b.hasOwnProperty(name)) { a[name] = b[name]; }     }    }    return a;  }

/**  * Set a value in an object, where the provided parameter name can be a   * path with nested parameters. For example: *  *     var obj = {a: 2}; *    setValue(obj, 'b.c', 3);     // obj = {a: 2, b: {c: 3}} *  * @param {Object} obj * @param {String} path A parameter name or dot-separated parameter path, *                     like "color.highlight.border". * @param {*} value */ function setValue(obj, path, value) { var keys = path.split('.'); var o = obj; while (keys.length) { var key = keys.shift; if (keys.length) { // this isn't the end point if (!o[key]) { o[key] = {}; }       o = o[key]; }     else { // this is the end point o[key] = value; }   }  }

/**  * Add a node to a graph object. If there is already a node with * the same id, their attributes will be merged. * @param {Object} graph * @param {Object} node */ function addNode(graph, node) { var i, len; var current = null;

// find root graph (in case of subgraph) var graphs = [graph]; // list with all graphs from current graph to root graph var root = graph; while (root.parent) { graphs.push(root.parent); root = root.parent; }

// find existing node (at root level) by its id   if (root.nodes) { for (i = 0, len = root.nodes.length; i < len; i++) { if (node.id === root.nodes[i].id) { current = root.nodes[i]; break; }     }    }

if (!current) { // this is a new node current = { id: node.id     }; if (graph.node) { // clone default attributes current.attr = merge(current.attr, graph.node); }   }

// add node to this (sub)graph and all its parent graphs for (i = graphs.length - 1; i >= 0; i--) { var g = graphs[i];

if (!g.nodes) { g.nodes = []; }     if (g.nodes.indexOf(current) == -1) { g.nodes.push(current); }   }

// merge attributes if (node.attr) { current.attr = merge(current.attr, node.attr); } }

/**  * Add an edge to a graph object * @param {Object} graph * @param {Object} edge */ function addEdge(graph, edge) { if (!graph.edges) { graph.edges = []; }   graph.edges.push(edge); if (graph.edge) { var attr = merge({}, graph.edge);    // clone default attributes edge.attr = merge(attr, edge.attr); // merge attributes } }

/**  * Create an edge to a graph object * @param {Object} graph * @param {String | Number | Object} from * @param {String | Number | Object} to  * @param {String} type * @param {Object | null} attr * @return {Object} edge */ function createEdge(graph, from, to, type, attr) { var edge = { from: from, to: to, type: type };

if (graph.edge) { edge.attr = merge({}, graph.edge); // clone default attributes }   edge.attr = merge(edge.attr || {}, attr); // merge attributes

return edge; }

/**  * Get next token in the current dot file. * The token and token type are available as token and tokenType */ function getToken { tokenType = TOKENTYPE.NULL; token = '';

// skip over whitespaces while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter next; }

do { var isComment = false;

// skip comment if (c == '#') { // find the previous non-space character var i = index - 1; while (dot.charAt(i) == ' ' || dot.charAt(i) == '\t') { i--; }       if (dot.charAt(i) == '\n' || dot.charAt(i) == '') { // the # is at the start of a line, this is indeed a line comment while (c != '' && c != '\n') { next; }         isComment = true; }     }      if (c == '/' && nextPreview == '/') { // skip line comment while (c != '' && c != '\n') { next; }       isComment = true; }     if (c == '/' && nextPreview == '*') { // skip block comment while (c != '') { if (c == '*' && nextPreview == '/') { // end of block comment found. skip these last two characters next; next; break; }         else { next; }       }        isComment = true; }

// skip over whitespaces while (c == ' ' || c == '\t' || c == '\n' || c == '\r') { // space, tab, enter next; }   }    while (isComment);

// check for end of dot file if (c == '') { // token is still empty tokenType = TOKENTYPE.DELIMITER; return; }

// check for delimiters consisting of 2 characters var c2 = c + nextPreview; if (DELIMITERS[c2]) { tokenType = TOKENTYPE.DELIMITER; token = c2; next; next; return; }

// check for delimiters consisting of 1 character if (DELIMITERS[c]) { tokenType = TOKENTYPE.DELIMITER; token = c;     next; return; }

// check for an identifier (number or string) // TODO: more precise parsing of numbers/strings (and the port separator ':') if (isAlphaNumeric(c) || c == '-') { token += c;     next;

while (isAlphaNumeric(c)) { token += c;       next; }     if (token == 'false') { token = false;  // convert to boolean }     else if (token == 'true') { token = true;  // convert to boolean }     else if (!isNaN(Number(token))) { token = Number(token); // convert to number }     tokenType = TOKENTYPE.IDENTIFIER; return; }

// check for a string enclosed by double quotes if (c == '"') {     next;      while (c != '' && (c != '"' || (c == '"' && nextPreview == '"'))) { token += c;       if (c == '"') { // skip the escape character          next;        }        next;      }      if (c != '"') { throw newSyntaxError('End of string " expected');     }      next;      tokenType = TOKENTYPE.IDENTIFIER;      return;    }

// something unknown is found, wrong characters, a syntax error tokenType = TOKENTYPE.UNKNOWN; while (c != '') { token += c;     next; }   throw new SyntaxError('Syntax error in part "' + chop(token, 30) + '"'); }

/**  * Parse a graph. * @returns {Object} graph */ function parseGraph { var graph = {};

first; getToken;

// optional strict keyword if (token == 'strict') { graph.strict = true; getToken; }

// graph or digraph keyword if (token == 'graph' || token == 'digraph') { graph.type = token; getToken; }

// optional graph id   if (tokenType == TOKENTYPE.IDENTIFIER) { graph.id = token; getToken; }

// open angle bracket if (token != '{') { throw newSyntaxError('Angle bracket { expected'); }   getToken;

// statements parseStatements(graph);

// close angle bracket if (token != '}') { throw newSyntaxError('Angle bracket } expected'); }   getToken;

// end of file if (token !== '') { throw newSyntaxError('End of file expected'); }   getToken;

// remove temporary default properties delete graph.node; delete graph.edge; delete graph.graph;

return graph; }

/**  * Parse a list with statements. * @param {Object} graph */ function parseStatements (graph) { while (token !== '' && token != '}') { parseStatement(graph); if (token == ';') { getToken; }   }  }

/**  * Parse a single statement. Can be a an attribute statement, node * statement, a series of node statements and edge statements, or a  * parameter. * @param {Object} graph */ function parseStatement(graph) { // parse subgraph var subgraph = parseSubgraph(graph); if (subgraph) { // edge statements parseEdge(graph, subgraph);

return; }

// parse an attribute statement var attr = parseAttributeStatement(graph); if (attr) { return; }

// parse node if (tokenType != TOKENTYPE.IDENTIFIER) { throw newSyntaxError('Identifier expected'); }   var id = token; // id can be a string or a number getToken;

if (token == '=') { // id statement getToken; if (tokenType != TOKENTYPE.IDENTIFIER) { throw newSyntaxError('Identifier expected'); }     graph[id] = token; getToken; // TODO: implement comma separated list with "a_list: ID=ID [','] [a_list] " }   else { parseNodeStatement(graph, id); } }

/**  * Parse a subgraph * @param {Object} graph   parent graph object * @return {Object | null} subgraph */ function parseSubgraph (graph) { var subgraph = null;

// optional subgraph keyword if (token == 'subgraph') { subgraph = {}; subgraph.type = 'subgraph'; getToken;

// optional graph id     if (tokenType == TOKENTYPE.IDENTIFIER) { subgraph.id = token; getToken; }   }

// open angle bracket if (token == '{') { getToken;

if (!subgraph) { subgraph = {}; }     subgraph.parent = graph; subgraph.node = graph.node; subgraph.edge = graph.edge; subgraph.graph = graph.graph;

// statements parseStatements(subgraph);

// close angle bracket if (token != '}') { throw newSyntaxError('Angle bracket } expected'); }     getToken;

// remove temporary default properties delete subgraph.node; delete subgraph.edge; delete subgraph.graph; delete subgraph.parent;

// register at the parent graph if (!graph.subgraphs) { graph.subgraphs = []; }     graph.subgraphs.push(subgraph); }

return subgraph; }

/**  * parse an attribute statement like "node [shape=circle fontSize=16]". * Available keywords are 'node', 'edge', 'graph'. * The previous list with default attributes will be replaced * @param {Object} graph * @returns {String | null} keyword Returns the name of the parsed attribute *                                 (node, edge, graph), or null if nothing *                                 is parsed. */ function parseAttributeStatement (graph) { // attribute statements if (token == 'node') { getToken;

// node attributes graph.node = parseAttributeList; return 'node'; }   else if (token == 'edge') { getToken;

// edge attributes graph.edge = parseAttributeList; return 'edge'; }   else if (token == 'graph') { getToken;

// graph attributes graph.graph = parseAttributeList; return 'graph'; }

return null; }

/**  * parse a node statement * @param {Object} graph * @param {String | Number} id  */ function parseNodeStatement(graph, id) { // node statement var node = { id: id   }; var attr = parseAttributeList; if (attr) { node.attr = attr; }   addNode(graph, node);

// edge statements parseEdge(graph, id); }

/**  * Parse an edge or a series of edges * @param {Object} graph * @param {String | Number} from       Id of the from node */ function parseEdge(graph, from) { while (token == '->' || token == '--') { var to; var type = token; getToken;

var subgraph = parseSubgraph(graph); if (subgraph) { to = subgraph; }     else { if (tokenType != TOKENTYPE.IDENTIFIER) { throw newSyntaxError('Identifier or subgraph expected'); }       to = token; addNode(graph, {         id: to        }); getToken; }

// parse edge attributes var attr = parseAttributeList;

// create edge var edge = createEdge(graph, from, to, type, attr); addEdge(graph, edge);

from = to; } }

/**  * Parse a set with attributes, * for example [label="1.000", shape=solid] * @return {Object | null} attr */ function parseAttributeList { var attr = null;

while (token == '[') { getToken; attr = {}; while (token !== '' && token != ']') { if (tokenType != TOKENTYPE.IDENTIFIER) { throw newSyntaxError('Attribute name expected'); }       var name = token;

getToken; if (token != '=') { throw newSyntaxError('Equal sign = expected'); }       getToken;

if (tokenType != TOKENTYPE.IDENTIFIER) { throw newSyntaxError('Attribute value expected'); }       var value = token; setValue(attr, name, value); // name can be a path

getToken; if (token ==',') { getToken; }     }

if (token != ']') { throw newSyntaxError('Bracket ] expected'); }     getToken; }

return attr; }

/**  * Create a syntax error with extra information on current token and index. * @param {String} message * @returns {SyntaxError} err */ function newSyntaxError(message) { return new SyntaxError(message + ', got "' + chop(token, 30) + '" (char ' + index + ')'); }

/**  * Chop off text after a maximum length * @param {String} text * @param {Number} maxLength * @returns {String} */ function chop (text, maxLength) { return (text.length <= maxLength) ? text : (text.substr(0, 27) + '...'); }

/**  * Execute a function fn for each pair of elements in two arrays * @param {Array | *} array1 * @param {Array | *} array2 * @param {function} fn  */ function forEach2(array1, array2, fn) { if (Array.isArray(array1)) { array1.forEach(function (elem1) {       if (Array.isArray(array2)) {          array2.forEach(function (elem2)  { fn(elem1, elem2); });       }        else {          fn(elem1, array2);        }      }); }   else { if (Array.isArray(array2)) { array2.forEach(function (elem2) {          fn(array1, elem2);        }); }     else { fn(array1, array2); }   }  }

/**  * Convert a string containing a graph in DOT language into a map containing * with nodes and edges in the format of graph. * @param {String} data        Text containing a graph in DOT-notation * @return {Object} graphData */ function DOTToGraph (data) { // parse the DOT file var dotData = parseDOT(data); var graphData = { nodes: [], edges: [], options: {} };

// copy the nodes if (dotData.nodes) { dotData.nodes.forEach(function (dotNode) {       var graphNode = {          id: dotNode.id,          label: String(dotNode.label || dotNode.id)        };        merge(graphNode, dotNode.attr);        if (graphNode.image) {          graphNode.shape = 'image';        }        graphData.nodes.push(graphNode);      }); }

// copy the edges if (dotData.edges) { /**      * Convert an edge in DOT format to an edge with VisGraph format * @param {Object} dotEdge * @returns {Object} graphEdge */     var convertEdge = function (dotEdge) { var graphEdge = { from: dotEdge.from, to: dotEdge.to       }; merge(graphEdge, dotEdge.attr); graphEdge.style = (dotEdge.type == '->') ? 'arrow' : 'line'; return graphEdge; }

dotData.edges.forEach(function (dotEdge) {       var from, to;        if (dotEdge.from instanceof Object) {          from = dotEdge.from.nodes;        }        else {          from = {            id: dotEdge.from          }        }

if (dotEdge.to instanceof Object) { to = dotEdge.to.nodes; }       else { to = { id: dotEdge.to         } }

if (dotEdge.from instanceof Object && dotEdge.from.edges) { dotEdge.from.edges.forEach(function (subEdge) {           var graphEdge = convertEdge(subEdge);            graphData.edges.push(graphEdge);          }); }

forEach2(from, to, function (from, to) {         var subEdge = createEdge(graphData, from.id, to.id, dotEdge.type, dotEdge.attr);          var graphEdge = convertEdge(subEdge);          graphData.edges.push(graphEdge);        });

if (dotEdge.to instanceof Object && dotEdge.to.edges) { dotEdge.to.edges.forEach(function (subEdge) {           var graphEdge = convertEdge(subEdge);            graphData.edges.push(graphEdge);          }); }     });    }

// copy the options if (dotData.attr) { graphData.options = dotData.attr; }

return graphData; }

// exports exports.parseDOT = parseDOT; exports.DOTToGraph = DOTToGraph;

/***/ }, /* 43 */ /***/ function(module, exports, __webpack_require__) {

function parseGephi(gephiJSON, options) { var edges = []; var nodes = []; this.options = { edges: { inheritColor: true },     nodes: { allowedToMove: false, parseColor: false }   };

if (options !== undefined) { this.options.nodes['allowedToMove'] = options.allowedToMove | false; this.options.nodes['parseColor']   = options.parseColor    | false; this.options.edges['inheritColor'] = options.inheritColor  | true; }

var gEdges = gephiJSON.edges; var gNodes = gephiJSON.nodes; for (var i = 0; i < gEdges.length; i++) { var edge = {}; var gEdge = gEdges[i]; edge['id'] = gEdge.id; edge['from'] = gEdge.source; edge['to'] = gEdge.target; edge['attributes'] = gEdge.attributes; //   edge['value'] = gEdge.attributes !== undefined ? gEdge.attributes.Weight : undefined; //   edge['width'] = edge['value'] !== undefined ? undefined : edgegEdge.size; edge['color'] = gEdge.color; edge['inheritColor'] = edge['color'] !== undefined ? false : this.options.inheritColor; edges.push(edge); }

for (var i = 0; i < gNodes.length; i++) { var node = {}; var gNode = gNodes[i]; node['id'] = gNode.id; node['attributes'] = gNode.attributes; node['x'] = gNode.x;     node['y'] = gNode.y;      node['label'] = gNode.label; if (this.options.nodes.parseColor == true) { node['color'] = gNode.color; }     else { node['color'] = gNode.color !== undefined ? {background:gNode.color, border:gNode.color} : undefined; }     node['radius'] = gNode.size; node['allowedToMoveX'] = this.options.nodes.allowedToMove; node['allowedToMoveY'] = this.options.nodes.allowedToMove; nodes.push(node); }

return {nodes:nodes, edges:edges}; }

exports.parseGephi = parseGephi;

/***/ }, /* 44 */ /***/ function(module, exports, __webpack_require__) {

// first check if moment.js is already loaded in the browser window, if so, // use this instance. Else, load via commonjs. module.exports = (typeof window !== 'undefined') && window['moment'] || __webpack_require__(58);

/***/ }, /* 45 */ /***/ function(module, exports, __webpack_require__) {

// Only load hammer.js when in a browser environment // (loading hammer.js in a node.js environment gives errors) if (typeof window !== 'undefined') { module.exports = window['Hammer'] || __webpack_require__(59); } else { module.exports = function { throw Error('hammer.js is only available in a browser, not in node.js.'); } }

/***/ }, /* 46 */ /***/ function(module, exports, __webpack_require__) {

var Emitter = __webpack_require__(56); var Hammer = __webpack_require__(45); var util = __webpack_require__(1); var DataSet = __webpack_require__(3); var DataView = __webpack_require__(4); var Range = __webpack_require__(17); var ItemSet = __webpack_require__(32); var TimeAxis = __webpack_require__(35); var Activator = __webpack_require__(53); var DateUtil = __webpack_require__(15); var CustomTime = __webpack_require__(27);

/**  * Create a timeline visualization * @param {HTMLElement} container * @param {vis.DataSet | Array | google.visualization.DataTable} [items] * @param {Object} [options] See Core.setOptions for the available options. * @constructor */ function Core  {}

// turn Core into an event emitter Emitter(Core.prototype);

/**  * Create the main DOM for the Core: a root panel containing left, right, * top, bottom, content, and background panel. * @param {Element} container The container element where the Core will *                            be attached. * @protected */ Core.prototype._create = function (container) { this.dom = {};

this.dom.root                = document.createElement('div'); this.dom.background          = document.createElement('div'); this.dom.backgroundVertical  = document.createElement('div'); this.dom.backgroundHorizontal = document.createElement('div'); this.dom.centerContainer     = document.createElement('div'); this.dom.leftContainer       = document.createElement('div'); this.dom.rightContainer      = document.createElement('div'); this.dom.center              = document.createElement('div'); this.dom.left                = document.createElement('div'); this.dom.right               = document.createElement('div'); this.dom.top                 = document.createElement('div'); this.dom.bottom              = document.createElement('div'); this.dom.shadowTop           = document.createElement('div'); this.dom.shadowBottom        = document.createElement('div'); this.dom.shadowTopLeft       = document.createElement('div'); this.dom.shadowBottomLeft    = document.createElement('div'); this.dom.shadowTopRight      = document.createElement('div'); this.dom.shadowBottomRight   = document.createElement('div');

this.dom.root.className                = 'vis timeline root'; this.dom.background.className          = 'vispanel background'; this.dom.backgroundVertical.className  = 'vispanel background vertical'; this.dom.backgroundHorizontal.className = 'vispanel background horizontal'; this.dom.centerContainer.className     = 'vispanel center'; this.dom.leftContainer.className       = 'vispanel left'; this.dom.rightContainer.className      = 'vispanel right'; this.dom.top.className                 = 'vispanel top'; this.dom.bottom.className              = 'vispanel bottom'; this.dom.left.className                = 'content'; this.dom.center.className              = 'content'; this.dom.right.className               = 'content'; this.dom.shadowTop.className           = 'shadow top'; this.dom.shadowBottom.className        = 'shadow bottom'; this.dom.shadowTopLeft.className       = 'shadow top'; this.dom.shadowBottomLeft.className    = 'shadow bottom'; this.dom.shadowTopRight.className      = 'shadow top'; this.dom.shadowBottomRight.className   = 'shadow bottom';

this.dom.root.appendChild(this.dom.background); this.dom.root.appendChild(this.dom.backgroundVertical); this.dom.root.appendChild(this.dom.backgroundHorizontal); this.dom.root.appendChild(this.dom.centerContainer); this.dom.root.appendChild(this.dom.leftContainer); this.dom.root.appendChild(this.dom.rightContainer); this.dom.root.appendChild(this.dom.top); this.dom.root.appendChild(this.dom.bottom);

this.dom.centerContainer.appendChild(this.dom.center); this.dom.leftContainer.appendChild(this.dom.left); this.dom.rightContainer.appendChild(this.dom.right);

this.dom.centerContainer.appendChild(this.dom.shadowTop); this.dom.centerContainer.appendChild(this.dom.shadowBottom); this.dom.leftContainer.appendChild(this.dom.shadowTopLeft); this.dom.leftContainer.appendChild(this.dom.shadowBottomLeft); this.dom.rightContainer.appendChild(this.dom.shadowTopRight); this.dom.rightContainer.appendChild(this.dom.shadowBottomRight);

this.on('rangechange', this._redraw.bind(this)); this.on('touch', this._onTouch.bind(this)); this.on('pinch', this._onPinch.bind(this)); this.on('dragstart', this._onDragStart.bind(this)); this.on('drag', this._onDrag.bind(this));

var me = this; this.on('change', function (properties) {     if (properties && properties.queue == true) {        // redraw once on next tick        if (!me._redrawTimer) {          me._redrawTimer = setTimeout(function  { me._redrawTimer = null; me._redraw; }, 0)       }      }      else {        // redraw immediately        me._redraw;      }    });

// create event listeners for all interesting events, these events will be   // emitted via emitter this.hammer = Hammer(this.dom.root, {     preventDefault: true    }); this.listeners = {};

var events = [ 'touch', 'pinch', 'tap', 'doubletap', 'hold', 'dragstart', 'drag', 'dragend', 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox ];   events.forEach(function (event) {      var listener = function  {        var args = [event].concat(Array.prototype.slice.call(arguments, 0));        if (me.isActive) {          me.emit.apply(me, args);        }      };      me.hammer.on(event, listener);      me.listeners[event] = listener;    });

// size properties of each of the panels this.props = { root: {}, background: {}, centerContainer: {}, leftContainer: {}, rightContainer: {}, center: {}, left: {}, right: {}, top: {}, bottom: {}, border: {}, scrollTop: 0, scrollTopMin: 0 };   this.touch = {}; // store state information needed for touch events

this.redrawCount = 0;

// attach the root panel to the provided container if (!container) throw new Error('No container provided'); container.appendChild(this.dom.root); };

/**  * Set options. Options will be passed to all components loaded in the Timeline. * @param {Object} [options] *                          {String} orientation *                             Vertical orientation for the Timeline, *                             can be 'bottom' (default) or 'top'. *                          {String | Number} width *                             Width for the timeline, a number in pixels or   *                              a css string like '1000px' or '75%'. '100%' by default. *                          {String | Number} height *                             Fixed height for the Timeline, a number in pixels or   *                              a css string like '400px' or '75%'. If undefined, *                             The Timeline will automatically size such that *                             its contents fit. *                          {String | Number} minHeight *                             Minimum height for the Timeline, a number in pixels or   *                              a css string like '400px' or '75%'. *                          {String | Number} maxHeight *                             Maximum height for the Timeline, a number in pixels or   *                              a css string like '400px' or '75%'. *                          {Number | Date | String} start *                             Start date for the visible window *                          {Number | Date | String} end *                             End date for the visible window */ Core.prototype.setOptions = function (options) { if (options) { // copy the known options var fields = ['width', 'height', 'minHeight', 'maxHeight', 'autoResize', 'start', 'end', 'clickToUse', 'dataAttributes', 'hiddenDates']; util.selectiveExtend(fields, this.options, options);

if ('orientation' in options) { if (typeof options.orientation === 'string') { this.options.orientation = options.orientation; }       else if (typeof options.orientation === 'object' && 'axis' in options.orientation) { this.options.orientation = options.orientation.axis; }     }

if (this.options.orientation === 'both') { if (!this.timeAxis2) { var timeAxis2 = this.timeAxis2 = new TimeAxis(this.body); timeAxis2.setOptions = function (options) { var _options = options ? util.extend({}, options) : {}; _options.orientation = 'top'; // override the orientation option, always top TimeAxis.prototype.setOptions.call(timeAxis2, _options); };         this.components.push(timeAxis2); }     }      else { if (this.timeAxis2) { var index = this.components.indexOf(this.timeAxis2); if (index !== -1) { this.components.splice(index, 1); }         this.timeAxis2.destroy; this.timeAxis2 = null; }     }

if ('hiddenDates' in this.options) { DateUtil.convertHiddenOptions(this.body, this.options.hiddenDates); }

if ('clickToUse' in options) { if (options.clickToUse) { if (!this.activator) { this.activator = new Activator(this.dom.root); }       }        else { if (this.activator) { this.activator.destroy; delete this.activator; }       }      }

// enable/disable autoResize this._initAutoResize; }

// propagate options to all components this.components.forEach(function (component) {     component.setOptions(options);    });

// redraw everything this._redraw; };

/**  * Returns true when the Timeline is active. * @returns {boolean} */ Core.prototype.isActive = function  { return !this.activator || this.activator.active; };

/**  * Destroy the Core, clean up all DOM elements and event listeners. */ Core.prototype.destroy = function  { // unbind datasets this.clear;

// remove all event listeners this.off;

// stop checking for changed size this._stopAutoResize;

// remove from DOM if (this.dom.root.parentNode) { this.dom.root.parentNode.removeChild(this.dom.root); }   this.dom = null;

// remove Activator if (this.activator) { this.activator.destroy; delete this.activator; }

// cleanup hammer touch events for (var event in this.listeners) { if (this.listeners.hasOwnProperty(event)) { delete this.listeners[event]; }   }    this.listeners = null; this.hammer = null;

// give all components the opportunity to cleanup this.components.forEach(function (component) {     component.destroy;    });

this.body = null; };

/**  * Set a custom time bar * @param {Date} time * @param {int} id  */ Core.prototype.setCustomTime = function (time, id) { if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); }

var barId = id || 0;

this.components.forEach(function (element, index, components) {     if (element instanceof CustomTime && element.options.id === barId) {        element.setCustomTime(time);      }    }); };

/**  * Retrieve the current custom time. * @return {Date} customTime * @param {int} id  */ Core.prototype.getCustomTime = function(id) { if (!this.customTime) { throw new Error('Cannot get custom time: Custom time bar is not enabled'); }

var barId = id || 0, customTime = this.customTime.getCustomTime;

this.components.forEach(function (element, index, components) {     if (element instanceof CustomTime && element.options.id === barId) {        customTime = element.getCustomTime;      }    });

return customTime; };

/**  * Add custom vertical bar * @param {Date | String | Number} time A Date, unix timestamp, or   *                                      ISO date string. Time point where the new bar should be placed * @param {Number | String} ID of the new bar * @return {Number | String} ID of the new bar */ Core.prototype.addCustomTime = function (time, id) { if (!this.currentTime) { throw new Error('Option showCurrentTime must be true'); }

if (time === undefined) { throw new Error('Time parameter for the custom bar must be provided'); }

var ts = util.convert(time, 'Date').valueOf, numIds, customTime, customBarId;

// All bar IDs are kept in 1 array, mixed types // Bar with ID 0 is the default bar. if (!this.customBarIds || this.customBarIds.constructor !== Array) { this.customBarIds = [0]; }

// If the ID is not provided, generate one, otherwise just use it   if (id === undefined) {

numIds = this.customBarIds.filter(function (element) {       return util.isNumber(element);      });

customBarId = numIds.length > 0 ? Math.max.apply(null, numIds) + 1 : 1;

} else { // Check for duplicates this.customBarIds.forEach(function (element) {       if (element === id) {          throw new Error('Custom time ID already exists');        }      });

customBarId = id; }

this.customBarIds.push(customBarId);

customTime = new CustomTime(this.body, {     showCustomTime : true,      time : ts,      id : customBarId    });

this.components.push(customTime); this.redraw;

return customBarId; };

/**  * Remove previously added custom bar * @param {int} id ID of the custom bar to be removed * @return {boolean} True if the bar exists and is removed, false otherwise */ Core.prototype.removeCustomTime = function (id) {

var me = this;

this.components.forEach(function (bar, index, components) {     if (bar instanceof CustomTime && bar.options.id === id) {        // Only the lines added by the user will be removed        if (bar.options.id !== 0) {          me.customBarIds.splice(me.customBarIds.indexOf(id), 1);          components.splice(index, 1);          bar.destroy;        }      }    }); };

/**  * Get the id's of the currently visible items. * @returns {Array} The ids of the visible items */ Core.prototype.getVisibleItems = function { return this.itemSet && this.itemSet.getVisibleItems || []; };

/**  * Clear the Core. By Default, items, groups and options are cleared. * Example usage: *  *     timeline.clear;                // clear items, groups, and options *    timeline.clear({options: true}); // clear options only *  * @param {Object} [what]      Optionally specify what to clear. By default: *                            {items: true, groups: true, options: true} */ Core.prototype.clear = function(what) { // clear items if (!what || what.items) { this.setItems(null); }

// clear groups if (!what || what.groups) { this.setGroups(null); }

// clear options of timeline and of each of the components if (!what || what.options) { this.components.forEach(function (component) {       component.setOptions(component.defaultOptions);      });

this.setOptions(this.defaultOptions); // this will also do a redraw } };

/**  * Set Core window such that it fits all items * @param {Object} [options] Available options: *                           `animate: boolean | number` *                                If true (default), the range is animated *                                smoothly to the new window. *                                If a number, the number is taken as duration *                                for the animation. Default duration is 500 ms.  */ Core.prototype.fit = function(options) { var range = this._getDataRange;

// skip range set if there is no start and end date if (range.start === null && range.end === null) { return; }

var animate = (options && options.animate !== undefined) ? options.animate : true; this.range.setRange(range.start, range.end, animate); };

/**  * Calculate the data range of the items and applies a 5% window around it. * @returns * @protected */ Core.prototype._getDataRange = function { // apply the data range as range var dataRange = this.getItemRange;

// add 5% space on both sides var start = dataRange.min; var end = dataRange.max; if (start != null && end != null) { var interval = (end.valueOf - start.valueOf); if (interval <= 0) { // prevent an empty interval interval = 24 * 60 * 60 * 1000; // 1 day }     start = new Date(start.valueOf - interval * 0.05); end = new Date(end.valueOf + interval * 0.05); }

return { start: start, end: end } };

/**  * Set the visible window. Both parameters are optional, you can change only * start or only end. Syntax: *  *     TimeLine.setWindow(start, end) *    TimeLine.setWindow(start, end, options) *    TimeLine.setWindow(range) *  * Where start and end can be a Date, number, or string, and range is an   * object with properties start and end. *  * @param {Date | Number | String | Object} [start] Start date of visible window * @param {Date | Number | String} [end]           End date of visible window * @param {Object} [options] Available options: *                           `animate: boolean | number` *                                If true (default), the range is animated *                                smoothly to the new window. *                                If a number, the number is taken as duration *                                for the animation. Default duration is 500 ms.  */ Core.prototype.setWindow = function(start, end, options) { var animate; if (arguments.length == 1) { var range = arguments[0]; animate = (range.animate !== undefined) ? range.animate : true; this.range.setRange(range.start, range.end, animate); }   else { animate = (options && options.animate !== undefined) ? options.animate : true; this.range.setRange(start, end, animate); } };

/**  * Move the window such that given time is centered on screen. * @param {Date | Number | String} time * @param {Object} [options] Available options: *                           `animate: boolean | number` *                                If true (default), the range is animated *                                smoothly to the new window. *                                If a number, the number is taken as duration *                                for the animation. Default duration is 500 ms.  */ Core.prototype.moveTo = function(time, options) { var interval = this.range.end - this.range.start; var t = util.convert(time, 'Date').valueOf;

var start = t - interval / 2; var end = t + interval / 2; var animate = (options && options.animate !== undefined) ? options.animate : true;

this.range.setRange(start, end, animate); };

/**  * Get the visible window * @return   Visible range */ Core.prototype.getWindow = function { var range = this.range.getRange; return { start: new Date(range.start), end: new Date(range.end) }; };

/**  * Force a redraw. Can be overridden by implementations of Core */ Core.prototype.redraw = function { this._redraw; };

/**  * Redraw for internal use. Redraws all components. See also the public * method redraw. * @protected */ Core.prototype._redraw = function { var resized = false; var options = this.options; var props = this.props; var dom = this.dom;

if (!dom) return; // when destroyed

DateUtil.updateHiddenDates(this.body, this.options.hiddenDates);

// update class names if (options.orientation == 'top') { util.addClassName(dom.root, 'top'); util.removeClassName(dom.root, 'bottom'); }   else { util.removeClassName(dom.root, 'top'); util.addClassName(dom.root, 'bottom'); }

// update root width and height options dom.root.style.maxHeight = util.option.asSize(options.maxHeight, ''); dom.root.style.minHeight = util.option.asSize(options.minHeight, ''); dom.root.style.width = util.option.asSize(options.width, '');

// calculate border widths props.border.left  = (dom.centerContainer.offsetWidth - dom.centerContainer.clientWidth) / 2; props.border.right = props.border.left; props.border.top   = (dom.centerContainer.offsetHeight - dom.centerContainer.clientHeight) / 2; props.border.bottom = props.border.top; var borderRootHeight= dom.root.offsetHeight - dom.root.clientHeight; var borderRootWidth = dom.root.offsetWidth - dom.root.clientWidth;

// workaround for a bug in IE: the clientWidth of an element with // a height:0px and overflow:hidden is not calculated and always has value 0 if (dom.centerContainer.clientHeight === 0) { props.border.left = props.border.top; props.border.right = props.border.left; }   if (dom.root.clientHeight === 0) { borderRootWidth = borderRootHeight; }

// calculate the heights. If any of the side panels is empty, we set the height to   // minus the border width, such that the border will be invisible props.center.height = dom.center.offsetHeight; props.left.height  = dom.left.offsetHeight; props.right.height = dom.right.offsetHeight; props.top.height   = dom.top.clientHeight    || -props.border.top; props.bottom.height = dom.bottom.clientHeight || -props.border.bottom;

// TODO: compensate borders when any of the panels is empty.

// apply auto height // TODO: only calculate autoHeight when needed (else we cause an extra reflow/repaint of the DOM) var contentHeight = Math.max(props.left.height, props.center.height, props.right.height); var autoHeight = props.top.height + contentHeight + props.bottom.height + borderRootHeight + props.border.top + props.border.bottom; dom.root.style.height = util.option.asSize(options.height, autoHeight + 'px');

// calculate heights of the content panels props.root.height = dom.root.offsetHeight; props.background.height = props.root.height - borderRootHeight; var containerHeight = props.root.height - props.top.height - props.bottom.height - borderRootHeight; props.centerContainer.height = containerHeight; props.leftContainer.height   = containerHeight; props.rightContainer.height  = props.leftContainer.height;

// calculate the widths of the panels props.root.width = dom.root.offsetWidth; props.background.width = props.root.width - borderRootWidth; props.left.width = dom.leftContainer.clientWidth  || -props.border.left; props.leftContainer.width = props.left.width; props.right.width = dom.rightContainer.clientWidth || -props.border.right; props.rightContainer.width = props.right.width; var centerWidth = props.root.width - props.left.width - props.right.width - borderRootWidth; props.center.width         = centerWidth; props.centerContainer.width = centerWidth; props.top.width            = centerWidth; props.bottom.width         = centerWidth;

// resize the panels dom.background.style.height          = props.background.height + 'px'; dom.backgroundVertical.style.height  = props.background.height + 'px'; dom.backgroundHorizontal.style.height = props.centerContainer.height + 'px'; dom.centerContainer.style.height     = props.centerContainer.height + 'px'; dom.leftContainer.style.height       = props.leftContainer.height + 'px'; dom.rightContainer.style.height      = props.rightContainer.height + 'px';

dom.background.style.width           = props.background.width + 'px'; dom.backgroundVertical.style.width   = props.centerContainer.width + 'px'; dom.backgroundHorizontal.style.width = props.background.width + 'px'; dom.centerContainer.style.width      = props.center.width + 'px'; dom.top.style.width                  = props.top.width + 'px'; dom.bottom.style.width               = props.bottom.width + 'px';

// reposition the panels dom.background.style.left          = '0'; dom.background.style.top           = '0'; dom.backgroundVertical.style.left  = (props.left.width + props.border.left) + 'px'; dom.backgroundVertical.style.top   = '0'; dom.backgroundHorizontal.style.left = '0'; dom.backgroundHorizontal.style.top = props.top.height + 'px'; dom.centerContainer.style.left     = props.left.width + 'px'; dom.centerContainer.style.top      = props.top.height + 'px'; dom.leftContainer.style.left       = '0'; dom.leftContainer.style.top        = props.top.height + 'px'; dom.rightContainer.style.left      = (props.left.width + props.center.width) + 'px'; dom.rightContainer.style.top       = props.top.height + 'px'; dom.top.style.left                 = props.left.width + 'px'; dom.top.style.top                  = '0'; dom.bottom.style.left              = props.left.width + 'px'; dom.bottom.style.top               = (props.top.height + props.centerContainer.height) + 'px';

// update the scrollTop, feasible range for the offset can be changed // when the height of the Core or of the contents of the center changed this._updateScrollTop;

// reposition the scrollable contents var offset = this.props.scrollTop; if (options.orientation == 'bottom') { offset += Math.max(this.props.centerContainer.height - this.props.center.height -       this.props.border.top - this.props.border.bottom, 0); }   dom.center.style.left = '0'; dom.center.style.top = offset + 'px'; dom.left.style.left  = '0'; dom.left.style.top   = offset + 'px'; dom.right.style.left = '0'; dom.right.style.top  = offset + 'px';

// show shadows when vertical scrolling is available var visibilityTop = this.props.scrollTop == 0 ? 'hidden' : ''; var visibilityBottom = this.props.scrollTop == this.props.scrollTopMin ? 'hidden' : ''; dom.shadowTop.style.visibility         = visibilityTop; dom.shadowBottom.style.visibility      = visibilityBottom; dom.shadowTopLeft.style.visibility     = visibilityTop; dom.shadowBottomLeft.style.visibility  = visibilityBottom; dom.shadowTopRight.style.visibility    = visibilityTop; dom.shadowBottomRight.style.visibility = visibilityBottom;

// redraw all components this.components.forEach(function (component) {     resized = component.redraw || resized;    }); if (resized) { // keep repainting until all sizes are settled var MAX_REDRAWS = 3; // maximum number of consecutive redraws if (this.redrawCount < MAX_REDRAWS) { this.redrawCount++; this._redraw; }     else { console.log('WARNING: infinite loop in redraw?'); }     this.redrawCount = 0; }

this.emit("finishedRedraw"); };

// TODO: deprecated since version 1.1.0, remove some day Core.prototype.repaint = function { throw new Error('Function repaint is deprecated. Use redraw instead.'); };

/**  * Set a current time. This can be used for example to ensure that a client's  * time is synchronized with a shared server time. * Only applicable when option `showCurrentTime` is true. * @param {Date | String | Number} time    A Date, unix timestamp, or   *                                          ISO date string. */ Core.prototype.setCurrentTime = function(time) { if (!this.currentTime) { throw new Error('Option showCurrentTime must be true'); }

this.currentTime.setCurrentTime(time); };

/**  * Get the current time. * Only applicable when option `showCurrentTime` is true. * @return {Date} Returns the current time. */ Core.prototype.getCurrentTime = function { if (!this.currentTime) { throw new Error('Option showCurrentTime must be true'); }

return this.currentTime.getCurrentTime; };

/**  * Convert a position on screen (pixels) to a datetime * @param {int}    x    Position on the screen in pixels * @return {Date}  time The datetime the corresponds with given position x   * @protected */ // TODO: move this function to Range Core.prototype._toTime = function(x) { return DateUtil.toTime(this, x, this.props.center.width); };

/**  * Convert a position on the global screen (pixels) to a datetime * @param {int}    x    Position on the screen in pixels * @return {Date}  time The datetime the corresponds with given position x   * @protected */ // TODO: move this function to Range Core.prototype._toGlobalTime = function(x) { return DateUtil.toTime(this, x, this.props.root.width); //var conversion = this.range.conversion(this.props.root.width); //return new Date(x / conversion.scale + conversion.offset); };

/**  * Convert a datetime (Date object) into a position on the screen * @param {Date}  time A date * @return {int}  x    The position on the screen in pixels which corresponds *                     with the given date. * @protected */ // TODO: move this function to Range Core.prototype._toScreen = function(time) { return DateUtil.toScreen(this, time, this.props.center.width); };

/**  * Convert a datetime (Date object) into a position on the root * This is used to get the pixel density estimate for the screen, not the center panel * @param {Date}  time A date * @return {int}  x    The position on root in pixels which corresponds *                     with the given date. * @protected */ // TODO: move this function to Range Core.prototype._toGlobalScreen = function(time) { return DateUtil.toScreen(this, time, this.props.root.width); //var conversion = this.range.conversion(this.props.root.width); //return (time.valueOf - conversion.offset) * conversion.scale; };

/**  * Initialize watching when option autoResize is true * @private */ Core.prototype._initAutoResize = function  { if (this.options.autoResize == true) { this._startAutoResize; }   else { this._stopAutoResize; } };

/**  * Watch for changes in the size of the container. On resize, the Panel will * automatically redraw itself. * @private */ Core.prototype._startAutoResize = function  { var me = this;

this._stopAutoResize;

this._onResize = function { if (me.options.autoResize != true) { // stop watching when the option autoResize is changed to false me._stopAutoResize; return; }

if (me.dom.root) { // check whether the frame is resized // Note: we compare offsetWidth here, not clientWidth. For some reason, // IE does not restore the clientWidth from 0 to the actual width after // changing the timeline's container display style from none to visible if ((me.dom.root.offsetWidth != me.props.lastWidth) ||         (me.dom.root.offsetHeight != me.props.lastHeight)) { me.props.lastWidth = me.dom.root.offsetWidth; me.props.lastHeight = me.dom.root.offsetHeight;

me.emit('change'); }     }    };

// add event listener to window resize util.addEventListener(window, 'resize', this._onResize);

this.watchTimer = setInterval(this._onResize, 1000); };

/**  * Stop watching for a resize of the frame. * @private */ Core.prototype._stopAutoResize = function  { if (this.watchTimer) { clearInterval(this.watchTimer); this.watchTimer = undefined; }

// remove event listener on window.resize util.removeEventListener(window, 'resize', this._onResize); this._onResize = null; };

/**  * Start moving the timeline vertically * @param {Event} event * @private */ Core.prototype._onTouch = function (event) { this.touch.allowDragging = true; };

/**  * Start moving the timeline vertically * @param {Event} event * @private */ Core.prototype._onPinch = function (event) { this.touch.allowDragging = false; };

/**  * Start moving the timeline vertically * @param {Event} event * @private */ Core.prototype._onDragStart = function (event) { this.touch.initialScrollTop = this.props.scrollTop; };

/**  * Move the timeline vertically * @param {Event} event * @private */ Core.prototype._onDrag = function (event) { // refuse to drag when we where pinching to prevent the timeline make a jump // when releasing the fingers in opposite order from the touch screen if (!this.touch.allowDragging) return;

var delta = event.gesture.deltaY;

var oldScrollTop = this._getScrollTop; var newScrollTop = this._setScrollTop(this.touch.initialScrollTop + delta);

if (newScrollTop != oldScrollTop) { this._redraw; // TODO: this causes two redraws when dragging, the other is triggered by rangechange already this.emit("verticalDrag"); } };

/**  * Apply a scrollTop * @param {Number} scrollTop * @returns {Number} scrollTop Returns the applied scrollTop * @private */ Core.prototype._setScrollTop = function (scrollTop) { this.props.scrollTop = scrollTop; this._updateScrollTop; return this.props.scrollTop; };

/**  * Update the current scrollTop when the height of  the containers has been changed * @returns {Number} scrollTop Returns the applied scrollTop * @private */ Core.prototype._updateScrollTop = function  { // recalculate the scrollTopMin var scrollTopMin = Math.min(this.props.centerContainer.height - this.props.center.height, 0); // is negative or zero if (scrollTopMin != this.props.scrollTopMin) { // in case of bottom orientation, change the scrollTop such that the contents // do not move relative to the time axis at the bottom if (this.options.orientation == 'bottom') { this.props.scrollTop += (scrollTopMin - this.props.scrollTopMin); }     this.props.scrollTopMin = scrollTopMin; }

// limit the scrollTop to the feasible scroll range if (this.props.scrollTop > 0) this.props.scrollTop = 0; if (this.props.scrollTop < scrollTopMin) this.props.scrollTop = scrollTopMin;

return this.props.scrollTop; };

/**  * Get the current scrollTop * @returns {number} scrollTop * @private */ Core.prototype._getScrollTop = function  { return this.props.scrollTop; };

module.exports = Core;

/***/ }, /* 47 */ /***/ function(module, exports, __webpack_require__) {

var Hammer = __webpack_require__(45);

/**  * Fake a hammer.js gesture. Event can be a ScrollEvent or MouseMoveEvent * @param {Element} element * @param {Event} event */ exports.fakeGesture = function(element, event) { var eventType = null;

// for hammer.js 1.0.5 // var gesture = Hammer.event.collectEventData(this, eventType, event);

// for hammer.js 1.0.6+ var touches = Hammer.event.getTouchList(event, eventType); var gesture = Hammer.event.collectEventData(this, eventType, touches, event);

// on IE in standards mode, no touches are recognized by hammer.js, // resulting in NaN values for center.pageX and center.pageY if (isNaN(gesture.center.pageX)) { gesture.center.pageX = event.pageX; }   if (isNaN(gesture.center.pageY)) { gesture.center.pageY = event.pageY; }

return gesture; };

/***/ }, /* 48 */ /***/ function(module, exports, __webpack_require__) {

// English exports['en'] = { current: 'current', time: 'time' }; exports['en_EN'] = exports['en']; exports['en_US'] = exports['en'];

// Dutch exports['nl'] = { current: 'aangepaste', time: 'tijd' }; exports['nl_NL'] = exports['nl']; exports['nl_BE'] = exports['nl'];

/***/ }, /* 49 */ /***/ function(module, exports, __webpack_require__) {

/**  * Created by Alex on 11/11/2014. */ var DOMutil = __webpack_require__(2); var Points = __webpack_require__(51);

function Line(groupId, options) { this.groupId = groupId; this.options = options; }

Line.prototype.getYRange = function(groupData) { var yMin = groupData[0].y;   var yMax = groupData[0].y;    for (var j = 0; j < groupData.length; j++) { yMin = yMin > groupData[j].y ? groupData[j].y : yMin; yMax = yMax < groupData[j].y ? groupData[j].y : yMax; }   return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; };

/**  * draw a line graph *  * @param dataset * @param group */ Line.prototype.draw = function (dataset, group, framework) { if (dataset != null) { if (dataset.length > 0) { var path, d;       var svgHeight = Number(framework.svg.style.height.replace('px','')); path = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); path.setAttributeNS(null, "class", group.className); if(group.style !== undefined) { path.setAttributeNS(null, "style", group.style); }

// construct path from dataset if (group.options.catmullRom.enabled == true) { d = Line._catmullRom(dataset, group); }       else { d = Line._linear(dataset); }

// append with points for fill and finalize the path if (group.options.shaded.enabled == true) { var fillPath = DOMutil.getSVGElement('path', framework.svgElements, framework.svg); var dFill; if (group.options.shaded.orientation == 'top') { dFill = 'M' + dataset[0].x + ',' + 0 + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + 0; }         else { dFill = 'M' + dataset[0].x + ',' + svgHeight + ' ' + d + 'L' + dataset[dataset.length - 1].x + ',' + svgHeight; }         fillPath.setAttributeNS(null, "class", group.className + " fill"); if(group.options.shaded.style !== undefined) { fillPath.setAttributeNS(null, "style", group.options.shaded.style); }         fillPath.setAttributeNS(null, "d", dFill); }       // copy properties to path for drawing. path.setAttributeNS(null, 'd', 'M' + d);

// draw points if (group.options.drawPoints.enabled == true) { Points.draw(dataset, group, framework); }     }    }  };

/**  * This uses an uniform parametrization of the CatmullRom algorithm: * 'On the Parameterization of Catmull-Rom Curves' by Cem Yuksel et al.  * @param data * @returns {string} * @private */ Line._catmullRomUniform = function(data) { // catmull rom var p0, p1, p2, p3, bp1, bp2; var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; var normalization = 1/6; var length = data.length; for (var i = 0; i < length - 1; i++) {

p0 = (i == 0) ? data[0] : data[i-1]; p1 = data[i]; p2 = data[i+1]; p3 = (i + 2 < length) ? data[i+2] : p2;

// Catmull-Rom to Cubic Bezier conversion matrix //   0       1       0       0      //  -1/6      1      1/6      0      //    0      1/6      1     -1/6      //    0       0       1       0

//   bp0 = { x: p1.x,                               y: p1.y }; bp1 = { x: ((-p0.x + 6*p1.x + p2.x) *normalization), y: ((-p0.y + 6*p1.y + p2.y) *normalization)}; bp2 = { x: (( p1.x + 6*p2.x - p3.x) *normalization), y: (( p1.y + 6*p2.y - p3.y) *normalization)}; //   bp0 = { x: p2.x,                               y: p2.y };

d += 'C' + bp1.x + ',' + bp1.y + ' ' + bp2.x + ',' + bp2.y + ' ' + p2.x + ',' + p2.y + ' '; }

return d; };

/**  * This uses either the chordal or centripetal parameterization of the catmull-rom algorithm. * By default, the centripetal parameterization is used because this gives the nicest results. * These parameterizations are relatively heavy because the distance between 4 points have to be calculated. *  * One optimization can be used to reuse distances since this is a sliding window approach. * @param data * @param group * @returns {string} * @private */ Line._catmullRom = function(data, group) { var alpha = group.options.catmullRom.alpha; if (alpha == 0 || alpha === undefined) { return this._catmullRomUniform(data); }   else { var p0, p1, p2, p3, bp1, bp2, d1,d2,d3, A, B, N, M;     var d3powA, d2powA, d3pow2A, d2pow2A, d1pow2A, d1powA; var d = Math.round(data[0].x) + ',' + Math.round(data[0].y) + ' '; var length = data.length; for (var i = 0; i < length - 1; i++) {

p0 = (i == 0) ? data[0] : data[i-1]; p1 = data[i]; p2 = data[i+1]; p3 = (i + 2 < length) ? data[i+2] : p2;

d1 = Math.sqrt(Math.pow(p0.x - p1.x,2) + Math.pow(p0.y - p1.y,2)); d2 = Math.sqrt(Math.pow(p1.x - p2.x,2) + Math.pow(p1.y - p2.y,2)); d3 = Math.sqrt(Math.pow(p2.x - p3.x,2) + Math.pow(p2.y - p3.y,2));

// Catmull-Rom to Cubic Bezier conversion matrix

// A = 2d1^2a + 3d1^a * d2^a + d3^2a // B = 2d3^2a + 3d3^a * d2^a + d2^2a

// [  0             1            0          0          ]        // [   -d2^2a /N     A/N          d1^2a /N   0          ] // [  0             d3^2a /M     B/M        -d2^2a /M  ] // [  0             0            1          0          ]

d3powA = Math.pow(d3,  alpha); d3pow2A = Math.pow(d3,2*alpha); d2powA = Math.pow(d2,  alpha); d2pow2A = Math.pow(d2,2*alpha); d1powA = Math.pow(d1,  alpha); d1pow2A = Math.pow(d1,2*alpha);

A = 2*d1pow2A + 3*d1powA * d2powA + d2pow2A; B = 2*d3pow2A + 3*d3powA * d2powA + d2pow2A; N = 3*d1powA * (d1powA + d2powA); if (N > 0) {N = 1 / N;} M = 3*d3powA * (d3powA + d2powA); if (M > 0) {M = 1 / M;}

bp1 = { x: ((-d2pow2A * p0.x + A*p1.x + d1pow2A * p2.x) * N), y: ((-d2pow2A * p0.y + A*p1.y + d1pow2A * p2.y) * N)};

bp2 = { x: (( d3pow2A * p1.x + B*p2.x - d2pow2A * p3.x) * M), y: (( d3pow2A * p1.y + B*p2.y - d2pow2A * p3.y) * M)};

if (bp1.x == 0 && bp1.y == 0) {bp1 = p1;} if (bp2.x == 0 && bp2.y == 0) {bp2 = p2;} d += 'C' + bp1.x + ',' + bp1.y + ' ' + bp2.x + ',' + bp2.y + ' ' + p2.x + ',' + p2.y + ' '; }

return d;   } };

/**  * this generates the SVG path for a linear drawing between datapoints. * @param data * @returns {string} * @private */ Line._linear = function(data) { // linear var d = ''; for (var i = 0; i < data.length; i++) { if (i == 0) { d += data[i].x + ',' + data[i].y;     } else { d += ' ' + data[i].x + ',' + data[i].y;     } }   return d;  };

module.exports = Line;

/***/ }, /* 50 */ /***/ function(module, exports, __webpack_require__) {

/**  * Created by Alex on 11/11/2014. */ var DOMutil = __webpack_require__(2); var Points = __webpack_require__(51);

function Bargraph(groupId, options) { this.groupId = groupId; this.options = options; }

Bargraph.prototype.getYRange = function(groupData) { if (this.options.barChart.handleOverlap != 'stack') { var yMin = groupData[0].y;     var yMax = groupData[0].y;      for (var j = 0; j < groupData.length; j++) { yMin = yMin > groupData[j].y ? groupData[j].y : yMin; yMax = yMax < groupData[j].y ? groupData[j].y : yMax; }     return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; }   else { var barCombinedData = []; for (var j = 0; j < groupData.length; j++) { barCombinedData.push({         x: groupData[j].x,          y: groupData[j].y,          groupId: this.groupId        }); }     return barCombinedData; } };

/**  * draw a bar graph *  * @param groupIds * @param processedGroupData */ Bargraph.draw = function (groupIds, processedGroupData, framework) { var combinedData = []; var intersections = {}; var coreDistance; var key, drawData; var group; var i,j; var barPoints = 0;

// combine all barchart data for (i = 0; i < groupIds.length; i++) { group = framework.groups[groupIds[i]]; if (group.options.style == 'bar') { if (group.visible == true && (framework.options.groups.visibility[groupIds[i]] === undefined || framework.options.groups.visibility[groupIds[i]] == true)) { for (j = 0; j < processedGroupData[groupIds[i]].length; j++) { combinedData.push({             x: processedGroupData[groupIds[i]][j].x,              y: processedGroupData[groupIds[i]][j].y,              groupId: groupIds[i],              label: processedGroupData[groupIds[i]][j].label,            }); barPoints += 1; }       }      }    }

if (barPoints == 0) {return;}

// sort by time and by group combinedData.sort(function (a, b) {     if (a.x == b.x) {        return a.groupId - b.groupId;      } else {        return a.x - b.x;      }    });

// get intersections Bargraph._getDataIntersections(intersections, combinedData);

// plot barchart for (i = 0; i < combinedData.length; i++) { group = framework.groups[combinedData[i].groupId]; var minWidth = 0.1 * group.options.barChart.width;

key = combinedData[i].x;     var heightOffset = 0; if (intersections[key] === undefined) { if (i+1 < combinedData.length) {coreDistance = Math.abs(combinedData[i+1].x - key);} if (i > 0)                    {coreDistance = Math.min(coreDistance,Math.abs(combinedData[i-1].x - key));} drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); }     else { var nextKey = i + (intersections[key].amount - intersections[key].resolved); var prevKey = i - (intersections[key].resolved + 1); if (nextKey < combinedData.length) {coreDistance = Math.abs(combinedData[nextKey].x - key);} if (prevKey > 0)                  {coreDistance = Math.min(coreDistance,Math.abs(combinedData[prevKey].x - key));} drawData = Bargraph._getSafeDrawData(coreDistance, group, minWidth); intersections[key].resolved += 1;

if (group.options.barChart.handleOverlap == 'stack') { heightOffset = intersections[key].accumulated; intersections[key].accumulated += group.zeroPosition - combinedData[i].y;       } else if (group.options.barChart.handleOverlap == 'sideBySide') { drawData.width = drawData.width / intersections[key].amount; drawData.offset += (intersections[key].resolved) * drawData.width - (0.5*drawData.width * (intersections[key].amount+1)); if (group.options.barChart.align == 'left')      {drawData.offset -= 0.5*drawData.width;} else if (group.options.barChart.align == 'right') {drawData.offset += 0.5*drawData.width;} }     }      DOMutil.drawBar(combinedData[i].x + drawData.offset, combinedData[i].y - heightOffset, drawData.width, group.zeroPosition - combinedData[i].y, group.className + ' bar', framework.svgElements, framework.svg); // draw points if (group.options.drawPoints.enabled == true) { DOMutil.drawPoint(combinedData[i].x + drawData.offset, combinedData[i].y, group, framework.svgElements, framework.svg, combinedData[i].label); }   }  };

/**  * Fill the intersections object with counters of how many datapoints share the same x coordinates * @param intersections * @param combinedData * @private */ Bargraph._getDataIntersections = function (intersections, combinedData) { // get intersections var coreDistance; for (var i = 0; i < combinedData.length; i++) { if (i + 1 < combinedData.length) { coreDistance = Math.abs(combinedData[i + 1].x - combinedData[i].x); }     if (i > 0) { coreDistance = Math.min(coreDistance, Math.abs(combinedData[i - 1].x - combinedData[i].x)); }     if (coreDistance == 0) { if (intersections[combinedData[i].x] === undefined) { intersections[combinedData[i].x] = {amount: 0, resolved: 0, accumulated: 0}; }       intersections[combinedData[i].x].amount += 1; }   }  };

/**  * Get the width and offset for bargraphs based on the coredistance between datapoints *  * @param coreDistance * @param group * @param minWidth * @returns * @private */ Bargraph._getSafeDrawData = function (coreDistance, group, minWidth) { var width, offset; if (coreDistance < group.options.barChart.width && coreDistance > 0) { width = coreDistance < minWidth ? minWidth : coreDistance;

offset = 0; // recalculate offset with the new width; if (group.options.barChart.align == 'left') { offset -= 0.5 * coreDistance; }     else if (group.options.barChart.align == 'right') { offset += 0.5 * coreDistance; }   }    else { // default settings width = group.options.barChart.width; offset = 0; if (group.options.barChart.align == 'left') { offset -= 0.5 * group.options.barChart.width; }     else if (group.options.barChart.align == 'right') { offset += 0.5 * group.options.barChart.width; }   }

return {width: width, offset: offset}; };

Bargraph.getStackedBarYRange = function(barCombinedData, groupRanges, groupIds, groupLabel, orientation) { if (barCombinedData.length > 0) { // sort by time and by group barCombinedData.sort(function (a, b) {       if (a.x == b.x) {          return a.groupId - b.groupId;        } else {          return a.x - b.x;        }      }); var intersections = {};

Bargraph._getDataIntersections(intersections, barCombinedData); groupRanges[groupLabel] = Bargraph._getStackedBarYRange(intersections, barCombinedData); groupRanges[groupLabel].yAxisOrientation = orientation; groupIds.push(groupLabel); } }

Bargraph._getStackedBarYRange = function (intersections, combinedData) { var key; var yMin = combinedData[0].y;   var yMax = combinedData[0].y;    for (var i = 0; i < combinedData.length; i++) { key = combinedData[i].x;     if (intersections[key] === undefined) { yMin = yMin > combinedData[i].y ? combinedData[i].y : yMin; yMax = yMax < combinedData[i].y ? combinedData[i].y : yMax; }     else { intersections[key].accumulated += combinedData[i].y;     } }   for (var xpos in intersections) { if (intersections.hasOwnProperty(xpos)) { yMin = yMin > intersections[xpos].accumulated ? intersections[xpos].accumulated : yMin; yMax = yMax < intersections[xpos].accumulated ? intersections[xpos].accumulated : yMax; }   }

return {min: yMin, max: yMax}; };

module.exports = Bargraph;

/***/ }, /* 51 */ /***/ function(module, exports, __webpack_require__) {

/**  * Created by Alex on 11/11/2014. */ var DOMutil = __webpack_require__(2);

function Points(groupId, options) { this.groupId = groupId; this.options = options; }

Points.prototype.getYRange = function(groupData) { var yMin = groupData[0].y;   var yMax = groupData[0].y;    for (var j = 0; j < groupData.length; j++) { yMin = yMin > groupData[j].y ? groupData[j].y : yMin; yMax = yMax < groupData[j].y ? groupData[j].y : yMax; }   return {min: yMin, max: yMax, yAxisOrientation: this.options.yAxisOrientation}; };

Points.prototype.draw = function(dataset, group, framework, offset) { Points.draw(dataset, group, framework, offset); }

/**  * draw the data points *  * @param {Array} dataset * @param {Object} JSONcontainer * @param {Object} svg           | SVG DOM element * @param {GraphGroup} group * @param {Number} [offset] */ Points.draw = function (dataset, group, framework, offset) { if (offset === undefined) {offset = 0;} for (var i = 0; i < dataset.length; i++) { DOMutil.drawPoint(dataset[i].x + offset, dataset[i].y, group, framework.svgElements, framework.svg, dataset[i].label); } };

module.exports = Points;

/***/ }, /* 52 */ /***/ function(module, exports, __webpack_require__) {

var PhysicsMixin = __webpack_require__(60); var ClusterMixin = __webpack_require__(61); var SectorsMixin = __webpack_require__(62); var SelectionMixin = __webpack_require__(63); var ManipulationMixin = __webpack_require__(64); var NavigationMixin = __webpack_require__(65); var HierarchicalLayoutMixin = __webpack_require__(66);

/**  * Load a mixin into the network object *  * @param {Object} sourceVariable | this object has to contain functions. * @private */ exports._loadMixin = function (sourceVariable) { for (var mixinFunction in sourceVariable) { if (sourceVariable.hasOwnProperty(mixinFunction)) { this[mixinFunction] = sourceVariable[mixinFunction]; }   }  };

/**  * removes a mixin from the network object. *  * @param {Object} sourceVariable | this object has to contain functions. * @private */ exports._clearMixin = function (sourceVariable) { for (var mixinFunction in sourceVariable) { if (sourceVariable.hasOwnProperty(mixinFunction)) { this[mixinFunction] = undefined; }   }  };

/**  * Mixin the physics system and initialize the parameters required. *  * @private */ exports._loadPhysicsSystem = function  { this._loadMixin(PhysicsMixin); this._loadSelectedForceSolver; if (this.constants.configurePhysics == true) { this._loadPhysicsConfiguration; }   else { this._cleanupPhysicsConfiguration; } };

/**  * Mixin the cluster system and initialize the parameters required. *  * @private */ exports._loadClusterSystem = function  { this.clusterSession = 0; this.hubThreshold = 5; this._loadMixin(ClusterMixin); };

/**  * Mixin the sector system and initialize the parameters required *  * @private */ exports._loadSectorSystem = function  { this.sectors = {}; this.activeSector = ["default"]; this.sectors["active"] = {}; this.sectors["active"]["default"] = {"nodes": {}, "edges": {}, "nodeIndices": [], "formationScale": 1.0, "drawingNode": undefined }; this.sectors["frozen"] = {}; this.sectors["support"] = {"nodes": {}, "edges": {}, "nodeIndices": [], "formationScale": 1.0, "drawingNode": undefined };

this.nodeIndices = this.sectors["active"]["default"]["nodeIndices"]; // the node indices list is used to speed up the computation of the repulsion fields

this._loadMixin(SectorsMixin); };

/**  * Mixin the selection system and initialize the parameters required *  * @private */ exports._loadSelectionSystem = function  { this.selectionObj = {nodes: {}, edges: {}};

this._loadMixin(SelectionMixin); };

/**  * Mixin the navigationUI (User Interface) system and initialize the parameters required *  * @private */ exports._loadManipulationSystem = function  { // reset global variables -- these are used by the selection of nodes and edges. this.blockConnectingEdgeSelection = false; this.forceAppendSelection = false;

if (this.constants.dataManipulation.enabled == true) { // load the manipulator HTML elements. All styling done in css. if (this.manipulationDiv === undefined) { this.manipulationDiv = document.createElement('div'); this.manipulationDiv.className = 'network-manipulationDiv'; if (this.editMode == true) { this.manipulationDiv.style.display = "block"; }       else { this.manipulationDiv.style.display = "none"; }       this.frame.appendChild(this.manipulationDiv); }

if (this.editModeDiv === undefined) { this.editModeDiv = document.createElement('div'); this.editModeDiv.className = 'network-manipulation-editMode'; if (this.editMode == true) { this.editModeDiv.style.display = "none"; }       else { this.editModeDiv.style.display = "block"; }       this.frame.appendChild(this.editModeDiv); }

if (this.closeDiv === undefined) { this.closeDiv = document.createElement('div'); this.closeDiv.className = 'network-manipulation-closeDiv'; this.closeDiv.style.display = this.manipulationDiv.style.display; this.frame.appendChild(this.closeDiv); }

// load the manipulation functions this._loadMixin(ManipulationMixin);

// create the manipulator toolbar this._createManipulatorBar; }   else { if (this.manipulationDiv !== undefined) { // removes all the bindings and overloads this._createManipulatorBar;

// remove the manipulation divs this.frame.removeChild(this.manipulationDiv); this.frame.removeChild(this.editModeDiv); this.frame.removeChild(this.closeDiv);

this.manipulationDiv = undefined; this.editModeDiv = undefined; this.closeDiv = undefined; // remove the mixin functions this._clearMixin(ManipulationMixin); }   }  };

/**  * Mixin the navigation (User Interface) system and initialize the parameters required *  * @private */ exports._loadNavigationControls = function  { this._loadMixin(NavigationMixin); // the clean function removes the button divs, this is done to remove the bindings. this._cleanNavigation; if (this.constants.navigation.enabled == true) { this._loadNavigationElements; } };

/**  * Mixin the hierarchical layout system. *  * @private */ exports._loadHierarchySystem = function  { this._loadMixin(HierarchicalLayoutMixin); };

/***/ }, /* 53 */ /***/ function(module, exports, __webpack_require__) {

var keycharm = __webpack_require__(57); var Emitter = __webpack_require__(56); var Hammer = __webpack_require__(45); var util = __webpack_require__(1);

/**  * Turn an element into an clickToUse element. * When not active, the element has a transparent overlay. When the overlay is  * clicked, the mode is changed to active. * When active, the element is displayed with a blue border around it, and * the interactive contents of the element can be used. When clicked outside * the element, the elements mode is changed to inactive. * @param {Element} container * @constructor */ function Activator(container) { this.active = false;

this.dom = { container: container };

this.dom.overlay = document.createElement('div'); this.dom.overlay.className = 'overlay';

this.dom.container.appendChild(this.dom.overlay);

this.hammer = Hammer(this.dom.overlay, {prevent_default: false}); this.hammer.on('tap', this._onTapOverlay.bind(this));

// block all touch events (except tap) var me = this; var events = [ 'touch', 'pinch', 'doubletap', 'hold', 'dragstart', 'drag', 'dragend', 'mousewheel', 'DOMMouseScroll' // DOMMouseScroll is needed for Firefox ];   events.forEach(function (event) {      me.hammer.on(event, function (event) { event.stopPropagation; });   });

// attach a tap event to the window, in order to deactivate when clicking outside the timeline this.windowHammer = Hammer(window, {prevent_default: false}); this.windowHammer.on('tap', function (event) {     // deactivate when clicked outside the container      if (!_hasParent(event.target, container)) {        me.deactivate;      }    });

if (this.keycharm !== undefined) { this.keycharm.destroy; }   this.keycharm = keycharm;

// keycharm listener only bounded when active)   this.escListener = this.deactivate.bind(this);  }

// turn into an event emitter Emitter(Activator.prototype);

// The currently active activator Activator.current = null;

/**  * Destroy the activator. Cleans up all created DOM and event listeners */ Activator.prototype.destroy = function  { this.deactivate;

// remove dom this.dom.overlay.parentNode.removeChild(this.dom.overlay);

// cleanup hammer instances this.hammer = null; this.windowHammer = null; // FIXME: cleaning up hammer instances doesn't work (Timeline not removed from memory) };

/**  * Activate the element * Overlay is hidden, element is decorated with a blue shadow border */ Activator.prototype.activate = function  { // we allow only one active activator at a time if (Activator.current) { Activator.current.deactivate; }   Activator.current = this;

this.active = true; this.dom.overlay.style.display = 'none'; util.addClassName(this.dom.container, 'vis-active');

this.emit('change'); this.emit('activate');

// ugly hack: bind ESC after emitting the events, as the Network rebinds all // keyboard events on a 'change' event this.keycharm.bind('esc', this.escListener); };

/**  * Deactivate the element * Overlay is displayed on top of the element */ Activator.prototype.deactivate = function  { this.active = false; this.dom.overlay.style.display = ''; util.removeClassName(this.dom.container, 'vis-active'); this.keycharm.unbind('esc', this.escListener);

this.emit('change'); this.emit('deactivate'); };

/**  * Handle a tap event: activate the container * @param event * @private */ Activator.prototype._onTapOverlay = function (event) { // activate the container this.activate; event.stopPropagation; };

/**  * Test whether the element has the requested parent element somewhere in   * its chain of parent nodes. * @param {HTMLElement} element * @param {HTMLElement} parent * @returns {boolean} Returns true when the parent is found somewhere in the *                   chain of parent nodes. * @private */ function _hasParent(element, parent) { while (element) { if (element === parent) { return true }     element = element.parentNode; }   return false; }

module.exports = Activator;

/***/ }, /* 54 */ /***/ function(module, exports, __webpack_require__) {

// English exports['en'] = { edit: 'Edit', del: 'Delete selected', back: 'Back', addNode: 'Add Node', addEdge: 'Add Edge', editNode: 'Edit Node', editEdge: 'Edit Edge', addDescription: 'Click in an empty space to place a new node.', edgeDescription: 'Click on a node and drag the edge to another node to connect them.', editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.', createEdgeError: 'Cannot link edges to a cluster.', deleteClusterError: 'Clusters cannot be deleted.' }; exports['en_EN'] = exports['en']; exports['en_US'] = exports['en'];

// Dutch exports['nl'] = { edit: 'Wijzigen', del: 'Selectie verwijderen', back: 'Terug', addNode: 'Node toevoegen', addEdge: 'Link toevoegen', editNode: 'Node wijzigen', editEdge: 'Link wijzigen', addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.', edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.', editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.', createEdgeError: 'Kan geen link maken naar een cluster.', deleteClusterError: 'Clusters kunnen niet worden verwijderd.' }; exports['nl_NL'] = exports['nl']; exports['nl_BE'] = exports['nl'];

/***/ }, /* 55 */ /***/ function(module, exports, __webpack_require__) {

/**  * Canvas shapes used by Network */ if (typeof CanvasRenderingContext2D !== 'undefined') {

/**    * Draw a circle shape */   CanvasRenderingContext2D.prototype.circle = function(x, y, r) { this.beginPath; this.arc(x, y, r, 0, 2*Math.PI, false); };

/**    * Draw a square shape * @param {Number} x horizontal center * @param {Number} y vertical center * @param {Number} r  size, width and height of the square */   CanvasRenderingContext2D.prototype.square = function(x, y, r) { this.beginPath; this.rect(x - r, y - r, r * 2, r * 2); };

/**    * Draw a triangle shape * @param {Number} x horizontal center * @param {Number} y vertical center * @param {Number} r  radius, half the length of the sides of the triangle */   CanvasRenderingContext2D.prototype.triangle = function(x, y, r) { // http://en.wikipedia.org/wiki/Equilateral_triangle this.beginPath;

var s = r * 2; var s2 = s / 2; var ir = Math.sqrt(3) / 6 * s;     // radius of inner circle var h = Math.sqrt(s * s - s2 * s2); // height

this.moveTo(x, y - (h - ir)); this.lineTo(x + s2, y + ir); this.lineTo(x - s2, y + ir); this.lineTo(x, y - (h - ir)); this.closePath; };

/**    * Draw a triangle shape in downward orientation * @param {Number} x horizontal center * @param {Number} y vertical center * @param {Number} r radius */   CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) { // http://en.wikipedia.org/wiki/Equilateral_triangle this.beginPath;

var s = r * 2; var s2 = s / 2; var ir = Math.sqrt(3) / 6 * s;     // radius of inner circle var h = Math.sqrt(s * s - s2 * s2); // height

this.moveTo(x, y + (h - ir)); this.lineTo(x + s2, y - ir); this.lineTo(x - s2, y - ir); this.lineTo(x, y + (h - ir)); this.closePath; };

/**    * Draw a star shape, a star with 5 points * @param {Number} x horizontal center * @param {Number} y vertical center * @param {Number} r  radius, half the length of the sides of the triangle */   CanvasRenderingContext2D.prototype.star = function(x, y, r) { // http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/ this.beginPath;

for (var n = 0; n < 10; n++) { var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5; this.lineTo(           x + radius * Math.sin(n * 2 * Math.PI / 10),            y - radius * Math.cos(n * 2 * Math.PI / 10)        ); }

this.closePath; };

/**    * http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas */   CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) { var r2d = Math.PI/180; if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x     if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y      this.beginPath; this.moveTo(x+r,y); this.lineTo(x+w-r,y); this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false); this.lineTo(x+w,y+h-r); this.arc(x+w-r,y+h-r,r,0,r2d*90,false); this.lineTo(x+r,y+h); this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false); this.lineTo(x,y+r); this.arc(x+r,y+r,r,r2d*180,r2d*270,false); };

/**    * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas */   CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) { var kappa = .5522848, ox = (w / 2) * kappa, // control point offset horizontal oy = (h / 2) * kappa, // control point offset vertical xe = x + w,          // x-end ye = y + h,          // y-end xm = x + w / 2,      // x-middle ym = y + h / 2;      // y-middle

this.beginPath; this.moveTo(x, ym); this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym); this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym); };

/**    * http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas */   CanvasRenderingContext2D.prototype.database = function(x, y, w, h) { var f = 1/3; var wEllipse = w;     var hEllipse = h * f;

var kappa = .5522848, ox = (wEllipse / 2) * kappa, // control point offset horizontal oy = (hEllipse / 2) * kappa, // control point offset vertical xe = x + wEllipse,          // x-end ye = y + hEllipse,          // y-end xm = x + wEllipse / 2,      // x-middle ym = y + hEllipse / 2,      // y-middle ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse yeb = y + h;                // y-end, bottom ellipse

this.beginPath; this.moveTo(xe, ym);

this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye); this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);

this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y); this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);

this.lineTo(xe, ymb);

this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb); this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);

this.lineTo(x, ym); };

/**    * Draw an arrow point (no line) */   CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) { // tail var xt = x - length * Math.cos(angle); var yt = y - length * Math.sin(angle);

// inner tail // TODO: allow to customize different shapes var xi = x - length * 0.9 * Math.cos(angle); var yi = y - length * 0.9 * Math.sin(angle);

// left var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI); var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI);

// right var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI); var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI);

this.beginPath; this.moveTo(x, y); this.lineTo(xl, yl); this.lineTo(xi, yi); this.lineTo(xr, yr); this.closePath; };

/**    * Sets up the dashedLine functionality for drawing * Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas * @author David Jordan * @date 2012-08-08 */   CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){ if (!dashArray) dashArray=[10,5]; if (dashLength==0) dashLength = 0.001; // Hack for Safari var dashCount = dashArray.length; this.moveTo(x, y); var dx = (x2-x), dy = (y2-y); var slope = dy/dx; var distRemaining = Math.sqrt( dx*dx + dy*dy ); var dashIndex=0, draw=true; while (distRemaining>=0.1){ var dashLength = dashArray[dashIndex++%dashCount]; if (dashLength > distRemaining) dashLength = distRemaining; var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) ); if (dx<0) xStep = -xStep; x += xStep; y += slope*xStep; this[draw ? 'lineTo' : 'moveTo'](x,y); distRemaining -= dashLength; draw = !draw; }   };

// TODO: add diamond shape }

/***/ }, /* 56 */ /***/ function(module, exports, __webpack_require__) {

/**  * Expose `Emitter`. */

module.exports = Emitter;

/**  * Initialize a new `Emitter`. *  * @api public */

function Emitter(obj) { if (obj) return mixin(obj); };

/**  * Mixin the emitter properties. *  * @param {Object} obj * @return {Object} * @api private */

function mixin(obj) { for (var key in Emitter.prototype) { obj[key] = Emitter.prototype[key]; }   return obj; }

/**  * Listen on the given `event` with `fn`. *  * @param {String} event * @param {Function} fn  * @return {Emitter} * @api public */

Emitter.prototype.on = Emitter.prototype.addEventListener = function(event, fn){ this._callbacks = this._callbacks || {}; (this._callbacks[event] = this._callbacks[event] || []) .push(fn); return this; };

/**  * Adds an `event` listener that will be invoked a single * time then automatically removed. *  * @param {String} event * @param {Function} fn  * @return {Emitter} * @api public */

Emitter.prototype.once = function(event, fn){ var self = this; this._callbacks = this._callbacks || {};

function on { self.off(event, on); fn.apply(this, arguments); }

on.fn = fn; this.on(event, on); return this; };

/**  * Remove the given callback for `event` or all * registered callbacks. *  * @param {String} event * @param {Function} fn  * @return {Emitter} * @api public */

Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function(event, fn){ this._callbacks = this._callbacks || {};

// all if (0 == arguments.length) { this._callbacks = {}; return this; }

// specific event var callbacks = this._callbacks[event]; if (!callbacks) return this;

// remove all handlers if (1 == arguments.length) { delete this._callbacks[event]; return this; }

// remove specific handler var cb; for (var i = 0; i < callbacks.length; i++) { cb = callbacks[i]; if (cb === fn || cb.fn === fn) { callbacks.splice(i, 1); break; }   }    return this; };

/**  * Emit `event` with the given args. *  * @param {String} event * @param {Mixed} ... * @return {Emitter} */

Emitter.prototype.emit = function(event){ this._callbacks = this._callbacks || {}; var args = [].slice.call(arguments, 1) , callbacks = this._callbacks[event];

if (callbacks) { callbacks = callbacks.slice(0); for (var i = 0, len = callbacks.length; i < len; ++i) { callbacks[i].apply(this, args); }   }

return this; };

/**  * Return array of callbacks for `event`. *  * @param {String} event * @return {Array} * @api public */

Emitter.prototype.listeners = function(event){ this._callbacks = this._callbacks || {}; return this._callbacks[event] || []; };

/**  * Check if this emitter has `event` handlers. *  * @param {String} event * @return {Boolean} * @api public */

Emitter.prototype.hasListeners = function(event){ return !! this.listeners(event).length; };

/***/ }, /* 57 */ /***/ function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;"use strict"; /**  * Created by Alex on 11/6/2014. */

// https://github.com/umdjs/umd/blob/master/returnExports.js#L40-L60 // if the module has no dependencies, the above pattern can be simplified to (function (root, factory) {    if (true) {      // AMD. Register as an anonymous module.      !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory), __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? (__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));    } else if (typeof exports === 'object') {      // Node. Does not work with strict CommonJS, but      // only CommonJS-like environments that support module.exports,      // like Node.      module.exports = factory;    } else {      // Browser globals (root is window)      root.keycharm = factory;    }  }(this, function  {

function keycharm(options) { var preventDefault = options && options.preventDefault || false;

var container = options && options.container || window;

var _exportFunctions = {}; var _bound = {keydown:{}, keyup:{}}; var _keys = {}; var i;

// a - z     for (i = 97; i <= 122; i++) {_keys[String.fromCharCode(i)] = {code:65 + (i - 97), shift: false};} // A - Z     for (i = 65; i <= 90; i++) {_keys[String.fromCharCode(i)] = {code:i, shift: true};} // 0 - 9     for (i = 0;  i <= 9;   i++) {_keys['' + i] = {code:48 + i, shift: false};} // F1 - F12 for (i = 1; i <= 12;   i++) {_keys['F' + i] = {code:111 + i, shift: false};} // num0 - num9 for (i = 0; i <= 9;   i++) {_keys['num' + i] = {code:96 + i, shift: false};}

// numpad misc _keys['num*'] = {code:106, shift: false}; _keys['num+'] = {code:107, shift: false}; _keys['num-'] = {code:109, shift: false}; _keys['num/'] = {code:111, shift: false}; _keys['num.'] = {code:110, shift: false}; // arrows _keys['left'] = {code:37, shift: false}; _keys['up']   = {code:38, shift: false}; _keys['right'] = {code:39, shift: false}; _keys['down'] = {code:40, shift: false}; // extra keys _keys['space'] = {code:32, shift: false}; _keys['enter'] = {code:13, shift: false}; _keys['shift'] = {code:16, shift: undefined}; _keys['esc']  = {code:27, shift: false}; _keys['backspace'] = {code:8, shift: false}; _keys['tab']      = {code:9, shift: false}; _keys['ctrl']     = {code:17, shift: false}; _keys['alt']      = {code:18, shift: false}; _keys['delete']   = {code:46, shift: false}; _keys['pageup']   = {code:33, shift: false}; _keys['pagedown'] = {code:34, shift: false}; // symbols _keys['=']    = {code:187, shift: false}; _keys['-']    = {code:189, shift: false}; _keys[']']    = {code:221, shift: false}; _keys['[']    = {code:219, shift: false};

var down = function(event) {handleEvent(event,'keydown');}; var up = function(event) {handleEvent(event,'keyup');};

// handle the actualy bound key with the event var handleEvent = function(event,type) { if (_bound[type][event.keyCode] !== undefined) { var bound = _bound[type][event.keyCode]; for (var i = 0; i < bound.length; i++) { if (bound[i].shift === undefined) { bound[i].fn(event); }           else if (bound[i].shift == true && event.shiftKey == true) { bound[i].fn(event); }           else if (bound[i].shift == false && event.shiftKey == false) { bound[i].fn(event); }         }

if (preventDefault == true) { event.preventDefault; }       }      };

// bind a key to a callback _exportFunctions.bind = function(key, callback, type) { if (type === undefined) { type = 'keydown'; }       if (_keys[key] === undefined) { throw new Error("unsupported key: " + key); }       if (_bound[type][_keys[key].code] === undefined) { _bound[type][_keys[key].code] = []; }       _bound[type][_keys[key].code].push({fn:callback, shift:_keys[key].shift}); };

// bind all keys to a call back (demo purposes) _exportFunctions.bindAll = function(callback, type) { if (type === undefined) { type = 'keydown'; }       for (var key in _keys) { if (_keys.hasOwnProperty(key)) { _exportFunctions.bind(key,callback,type); }       }      };

// get the key label from an event _exportFunctions.getKey = function(event) { for (var key in _keys) { if (_keys.hasOwnProperty(key)) { if (event.shiftKey == true && _keys[key].shift == true && event.keyCode == _keys[key].code) { return key; }           else if (event.shiftKey == false && _keys[key].shift == false && event.keyCode == _keys[key].code) { return key; }           else if (event.keyCode == _keys[key].code && key == 'shift') { return key; }         }        }        return "unknown key, currently not supported"; };

// unbind either a specific callback from a key or all of them (by leaving callback undefined) _exportFunctions.unbind = function(key, callback, type) { if (type === undefined) { type = 'keydown'; }       if (_keys[key] === undefined) { throw new Error("unsupported key: " + key); }       if (callback !== undefined) { var newBindings = []; var bound = _bound[type][_keys[key].code]; if (bound !== undefined) { for (var i = 0; i < bound.length; i++) { if (!(bound[i].fn == callback && bound[i].shift == _keys[key].shift)) { newBindings.push(_bound[type][_keys[key].code][i]); }           }          }          _bound[type][_keys[key].code] = newBindings; }       else { _bound[type][_keys[key].code] = []; }     };

// reset all bound variables. _exportFunctions.reset = function { _bound = {keydown:{}, keyup:{}}; };

// unbind all listeners and reset all variables. _exportFunctions.destroy = function { _bound = {keydown:{}, keyup:{}}; container.removeEventListener('keydown', down, true); container.removeEventListener('keyup', up, true); };

// create listeners. container.addEventListener('keydown',down,true); container.addEventListener('keyup',up,true);

// return the public functions. return _exportFunctions; }

return keycharm; }));

/***/ }, /* 58 */ /***/ function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(module) {//! moment.js //! version : 2.10.0  //! authors : Tim Wood, Iskren Chernev, Moment.js contributors  //! license : MIT  //! momentjs.com

(function (global, factory) {     true ? module.exports = factory :      typeof define === 'function' && define.amd ? define(factory) :      global.moment = factory  }(this, function  { 'use strict';

var hookCallback;

function hooks__hooks { return hookCallback.apply(null, arguments); }

// This is done to register the method called with moment // without creating circular dependencies. function setHookCallback (callback) { hookCallback = callback; }

function defaultParsingFlags { // We need to deep clone this object. return { empty          : false, unusedTokens   : [], unusedInput    : [], overflow       : -2, charsLeftOver  : 0, nullInput      : false, invalidMonth   : null, invalidFormat  : false, userInvalidated : false, iso            : false };     }

function isArray(input) { return Object.prototype.toString.call(input) === '[object Array]'; }

function isDate(input) { return Object.prototype.toString.call(input) === '[object Date]' || input instanceof Date; }

function map(arr, fn) { var res = [], i;         for (i = 0; i < arr.length; ++i) { res.push(fn(arr[i], i)); }         return res; }

function hasOwnProp(a, b) { return Object.prototype.hasOwnProperty.call(a, b); }

function extend(a, b) { for (var i in b) { if (hasOwnProp(b, i)) { a[i] = b[i]; }         }

if (hasOwnProp(b, 'toString')) { a.toString = b.toString; }

if (hasOwnProp(b, 'valueOf')) { a.valueOf = b.valueOf; }

return a;     }

function utc__createUTC (input, format, locale, strict) { return createLocalOrUTC(input, format, locale, strict, true).utc; }

function valid__isValid(m) { if (m._isValid == null) { m._isValid = !isNaN(m._d.getTime) && m._pf.overflow < 0 && !m._pf.empty && !m._pf.invalidMonth && !m._pf.nullInput && !m._pf.invalidFormat && !m._pf.userInvalidated;

if (m._strict) { m._isValid = m._isValid && m._pf.charsLeftOver === 0 && m._pf.unusedTokens.length === 0 && m._pf.bigHour === undefined; }         }          return m._isValid; }

function valid__createInvalid (flags) { var m = utc__createUTC(NaN); if (flags != null) { extend(m._pf, flags); }         else { m._pf.userInvalidated = true; }

return m;     }

var momentProperties = hooks__hooks.momentProperties = [];

function copyConfig(to, from) { var i, prop, val;

if (typeof from._isAMomentObject !== 'undefined') { to._isAMomentObject = from._isAMomentObject; }         if (typeof from._i !== 'undefined') { to._i = from._i; }         if (typeof from._f !== 'undefined') { to._f = from._f; }         if (typeof from._l !== 'undefined') { to._l = from._l; }         if (typeof from._strict !== 'undefined') { to._strict = from._strict; }         if (typeof from._tzm !== 'undefined') { to._tzm = from._tzm; }         if (typeof from._isUTC !== 'undefined') { to._isUTC = from._isUTC; }         if (typeof from._offset !== 'undefined') { to._offset = from._offset; }         if (typeof from._pf !== 'undefined') { to._pf = from._pf; }         if (typeof from._locale !== 'undefined') { to._locale = from._locale; }

if (momentProperties.length > 0) { for (i in momentProperties) { prop = momentProperties[i]; val = from[prop]; if (typeof val !== 'undefined') { to[prop] = val; }             }          }

return to; }

var updateInProgress = false;

// Moment prototype object function Moment(config) { copyConfig(this, config); this._d = new Date(+config._d); // Prevent infinite loop in case updateOffset creates new moment // objects. if (updateInProgress === false) { updateInProgress = true; hooks__hooks.updateOffset(this); updateInProgress = false; }     }

function isMoment (obj) { return obj instanceof Moment || (obj != null && hasOwnProp(obj, '_isAMomentObject')); }

function toInt(argumentForCoercion) { var coercedNumber = +argumentForCoercion, value = 0;

if (coercedNumber !== 0 && isFinite(coercedNumber)) { if (coercedNumber >= 0) { value = Math.floor(coercedNumber); } else { value = Math.ceil(coercedNumber); }         }

return value; }

function compareArrays(array1, array2, dontConvert) { var len = Math.min(array1.length, array2.length), lengthDiff = Math.abs(array1.length - array2.length), diffs = 0, i;         for (i = 0; i < len; i++) { if ((dontConvert && array1[i] !== array2[i]) ||                 (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { diffs++; }         }          return diffs + lengthDiff; }

function Locale { }

var locales = {}; var globalLocale;

function normalizeLocale(key) { return key ? key.toLowerCase.replace('_', '-') : key; }

// pick the locale from the array // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root function chooseLocale(names) { var i = 0, j, next, locale, split;

while (i < names.length) { split = normalizeLocale(names[i]).split('-'); j = split.length; next = normalizeLocale(names[i + 1]); next = next ? next.split('-') : null; while (j > 0) { locale = loadLocale(split.slice(0, j).join('-')); if (locale) { return locale; }                 if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { //the next array item is better than a shallower substring of this one break; }                 j--; }             i++; }         return null; }

function loadLocale(name) { var oldLocale = null; // TODO: Find a better way to register and load all the locales in Node if (!locales[name] && typeof module !== 'undefined' &&                 module && module.exports) { try { oldLocale = globalLocale._abbr; !(function webpackMissingModule { var e = new Error("Cannot find module \"./locale\""); e.code = 'MODULE_NOT_FOUND'; throw e; }); // because defineLocale currently also sets the global locale, we                 // want to undo that for lazy loaded locales locales__getSetGlobalLocale(oldLocale); } catch (e) { } }         return locales[name]; }

// This function will load locale and then set the global locale. If     // no arguments are passed in, it will simply return the current global // locale key. function locales__getSetGlobalLocale (key, values) { var data; if (key) { if (typeof values === 'undefined') { data = locales__getLocale(key); }             else { data = defineLocale(key, values); }

if (data) { // moment.duration._locale = moment._locale = data; globalLocale = data; }         }

return globalLocale._abbr; }

function defineLocale (name, values) { if (values !== null) { values.abbr = name; if (!locales[name]) { locales[name] = new Locale; }             locales[name].set(values);

// backwards compat for now: also set the locale locales__getSetGlobalLocale(name);

return locales[name]; } else { // useful for testing delete locales[name]; return null; }     }

// returns locale data function locales__getLocale (key) { var locale;

if (key && key._locale && key._locale._abbr) { key = key._locale._abbr; }

if (!key) { return globalLocale; }

if (!isArray(key)) { //short-circuit everything else locale = loadLocale(key); if (locale) { return locale; }             key = [key]; }

return chooseLocale(key); }

var aliases = {};

function addUnitAlias (unit, shorthand) { var lowerCase = unit.toLowerCase; aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; }

function normalizeUnits(units) { return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase] : undefined; }

function normalizeObjectUnits(inputObject) { var normalizedInput = {}, normalizedProp, prop;

for (prop in inputObject) { if (hasOwnProp(inputObject, prop)) { normalizedProp = normalizeUnits(prop); if (normalizedProp) { normalizedInput[normalizedProp] = inputObject[prop]; }             }          }

return normalizedInput; }

function makeGetSet (unit, keepTime) { return function (value) { if (value != null) { get_set__set(this, unit, value); hooks__hooks.updateOffset(this, keepTime); return this; } else { return get_set__get(this, unit); }         };      }

function get_set__get (mom, unit) { return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]; }

function get_set__set (mom, unit, value) { return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); }

// MOMENTS

function getSet (units, value) { var unit; if (typeof units === 'object') { for (unit in units) { this.set(unit, units[unit]); }         } else { units = normalizeUnits(units); if (typeof this[units] === 'function') { return this[units](value); }         }          return this; }

function zeroFill(number, targetLength, forceSign) { var output = '' + Math.abs(number), sign = number >= 0;

while (output.length < targetLength) { output = '0' + output; }         return (sign ? (forceSign ? '+' : '') : '-') + output; }

var formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|x|X|zz?|ZZ?|.)/g;

var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

var formatFunctions = {};

var formatTokenFunctions = {};

// token:   'M'      // padded:   ['MM', 2] // ordinal: 'Mo' // callback: function { this.month + 1 } function addFormatToken (token, padded, ordinal, callback) { var func = callback; if (typeof callback === 'string') { func = function { return this[callback]; };         }          if (token) { formatTokenFunctions[token] = func; }         if (padded) { formatTokenFunctions[padded[0]] = function { return zeroFill(func.apply(this, arguments), padded[1], padded[2]); };         }          if (ordinal) { formatTokenFunctions[ordinal] = function { return this.localeData.ordinal(func.apply(this, arguments), token); };         }      }

function removeFormattingTokens(input) { if (input.match(/\[[\s\S]/)) {             return input.replace(/^\[|\]$/g, );          }          return input.replace(/\\/g, );      }

function makeFormatFunction(format) { var array = format.match(formattingTokens), i, length;

for (i = 0, length = array.length; i < length; i++) { if (formatTokenFunctions[array[i]]) { array[i] = formatTokenFunctions[array[i]]; } else { array[i] = removeFormattingTokens(array[i]); }         }

return function (mom) { var output = ''; for (i = 0; i < length; i++) { output += array[i] instanceof Function ? array[i].call(mom, format) : array[i]; }             return output; };     }

// format date using native date object function formatMoment(m, format) { if (!m.isValid) { return m.localeData.invalidDate; }

format = expandFormat(format, m.localeData);

if (!formatFunctions[format]) { formatFunctions[format] = makeFormatFunction(format); }

return formatFunctions[format](m); }

function expandFormat(format, locale) { var i = 5;

function replaceLongDateFormatTokens(input) { return locale.longDateFormat(input) || input; }

localFormattingTokens.lastIndex = 0; while (i >= 0 && localFormattingTokens.test(format)) { format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); localFormattingTokens.lastIndex = 0; i -= 1; }

return format; }

var match1        = /\d/;            //       0 - 9 var match2        = /\d\d/;          //      00 - 99 var match3        = /\d{3}/;         //     000 - 999 var match4        = /\d{4}/;         //    0000 - 9999 var match6        = /[+-]?\d{6}/;    // -999999 - 999999 var match1to2     = /\d\d?/;         //       0 - 99 var match1to3     = /\d{1,3}/;       //       0 - 999 var match1to4     = /\d{1,4}/;       //       0 - 9999 var match1to6     = /[+-]?\d{1,6}/;  // -999999 - 999999

var matchUnsigned = /\d+/;           //       0 - inf var matchSigned   = /[+-]?\d+/;      //    -inf - inf

var matchOffset   = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z

var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

// any word (or two) characters or numbers including two/three word month in arabic. var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;

var regexes = {};

function addRegexToken (token, regex, strictRegex) { regexes[token] = typeof regex === 'function' ? regex : function (isStrict) { return (isStrict && strictRegex) ? strictRegex : regex; };     }

function getParseRegexForToken (token, config) { if (!hasOwnProp(regexes, token)) { return new RegExp(unescapeFormat(token)); }

return regexes[token](config._strict, config._locale); }

// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript function unescapeFormat(s) { return s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {             return p1 || p2 || p3 || p4;          }).replace(/[-\/\\^$*+?.|[\]{}]/g, '\\$&'); }

var tokens = {};

function addParseToken (token, callback) { var i, func = callback; if (typeof token === 'string') { token = [token]; }         if (typeof callback === 'number') { func = function (input, array) { array[callback] = toInt(input); };         }          for (i = 0; i < token.length; i++) { tokens[token[i]] = func; }     }

function addWeekParseToken (token, callback) { addParseToken(token, function (input, array, config, token) {             config._w = config._w || {};              callback(input, config._w, config, token);          }); }

function addTimeToArrayFromToken(token, input, config) { if (input != null && hasOwnProp(tokens, token)) { tokens[token](input, config._a, config, token); }     }

var YEAR = 0; var MONTH = 1; var DATE = 2; var HOUR = 3; var MINUTE = 4; var SECOND = 5; var MILLISECOND = 6;

function daysInMonth(year, month) { return new Date(Date.UTC(year, month + 1, 0)).getUTCDate; }

// FORMATTING

addFormatToken('M', ['MM', 2], 'Mo', function {          return this.month + 1;      });

addFormatToken('MMM', 0, 0, function (format) {         return this.localeData.monthsShort(this, format);      });

addFormatToken('MMMM', 0, 0, function (format) {         return this.localeData.months(this, format);      });

// ALIASES

addUnitAlias('month', 'M');

// PARSING

addRegexToken('M',   match1to2); addRegexToken('MM',  match1to2, match2); addRegexToken('MMM', matchWord); addRegexToken('MMMM', matchWord);

addParseToken(['M', 'MM'], function (input, array) {         array[MONTH] = toInt(input) - 1;      });

addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {         var month = config._locale.monthsParse(input, token, config._strict);          // if we didn't find a month name, mark the date as invalid.          if (month != null) {              array[MONTH] = month;          } else {              config._pf.invalidMonth = input;          }      });

// LOCALES

var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); function localeMonths (m) { return this._months[m.month]; }

var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); function localeMonthsShort (m) { return this._monthsShort[m.month]; }

function localeMonthsParse (monthName, format, strict) { var i, mom, regex;

if (!this._monthsParse) { this._monthsParse = []; this._longMonthsParse = []; this._shortMonthsParse = []; }

for (i = 0; i < 12; i++) { // make the regex if we don't have it already mom = utc__createUTC([2000, i]); if (strict && !this._longMonthsParse[i]) { this._longMonthsParse[i] = new RegExp('^' + this.months(mom, ).replace('.', ) + '$', 'i'); this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, ).replace('.', ) + '$', 'i'); }             if (!strict && !this._monthsParse[i]) { regex = '^' + this.months(mom, ) + '|^' + this.monthsShort(mom, ); this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); }             // test the regex if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { return i;             } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { return i;             } else if (!strict && this._monthsParse[i].test(monthName)) { return i;             } }     }

// MOMENTS

function setMonth (mom, value) { var dayOfMonth;

// TODO: Move this out of here! if (typeof value === 'string') { value = mom.localeData.monthsParse(value); // TODO: Another silent failure? if (typeof value !== 'number') { return mom; }         }

dayOfMonth = Math.min(mom.date, daysInMonth(mom.year, value)); mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); return mom; }

function getSetMonth (value) { if (value != null) { setMonth(this, value); hooks__hooks.updateOffset(this, true); return this; } else { return get_set__get(this, 'Month'); }     }

function getDaysInMonth { return daysInMonth(this.year, this.month); }

function checkOverflow (m) { var overflow; var a = m._a;

if (a && m._pf.overflow === -2) { overflow = a[MONTH]      < 0 || a[MONTH]       > 11  ? MONTH : a[DATE]       < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE : a[HOUR]       < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : a[MINUTE]     < 0 || a[MINUTE]      > 59  ? MINUTE : a[SECOND]     < 0 || a[SECOND]      > 59  ? SECOND : a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : -1;

if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { overflow = DATE; }

m._pf.overflow = overflow; }

return m;     }

function warn(msg) { if (hooks__hooks.suppressDeprecationWarnings === false && typeof console !== 'undefined' && console.warn) { console.warn('Deprecation warning: ' + msg); }     }

function deprecate(msg, fn) { var firstTime = true; return extend(function {              if (firstTime) {                  warn(msg);                  firstTime = false;              }              return fn.apply(this, arguments);          }, fn); }

var deprecations = {};

function deprecateSimple(name, msg) { if (!deprecations[name]) { warn(msg); deprecations[name] = true; }     }

hooks__hooks.suppressDeprecationWarnings = false;

var from_string__isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;

var isoDates = [ ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/], ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/], ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/], ['GGGG-[W]WW', /\d{4}-W\d{2}/], ['YYYY-DDD', /\d{4}-\d{3}/] ];

// iso time formats and regexes var isoTimes = [ ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/], ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/], ['HH:mm', /(T| )\d\d:\d\d/], ['HH', /(T| )\d\d/] ];

var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

// date from iso format function configFromISO(config) { var i, l,             string = config._i, match = from_string__isoRegex.exec(string);

if (match) { config._pf.iso = true; for (i = 0, l = isoDates.length; i < l; i++) { if (isoDates[i][1].exec(string)) { // match[5] should be 'T' or undefined config._f = isoDates[i][0] + (match[6] || ' '); break; }             }              for (i = 0, l = isoTimes.length; i < l; i++) { if (isoTimes[i][1].exec(string)) { config._f += isoTimes[i][0]; break; }             }              if (string.match(matchOffset)) { config._f += 'Z'; }             configFromStringAndFormat(config); } else { config._isValid = false; }     }

// date from iso format or fallback function configFromString(config) { var matched = aspNetJsonRegex.exec(config._i);

if (matched !== null) { config._d = new Date(+matched[1]); return; }

configFromISO(config); if (config._isValid === false) { delete config._isValid; hooks__hooks.createFromInputFallback(config); }     }

hooks__hooks.createFromInputFallback = deprecate(         'moment construction falls back to js Date. This is ' +          'discouraged and will be removed in upcoming major ' +          'release. Please refer to ' +          'https://github.com/moment/moment/issues/1407 for more info.',          function (config) {              config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));          }      );

function createDate (y, m, d, h, M, s, ms) { //can't just apply to create a date: //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply var date = new Date(y, m, d, h, M, s, ms);

//the date constructor doesn't accept years < 1970 if (y < 1970) { date.setFullYear(y); }         return date; }

function createUTCDate (y) { var date = new Date(Date.UTC.apply(null, arguments)); if (y < 1970) { date.setUTCFullYear(y); }         return date; }

addFormatToken(0, ['YY', 2], 0, function {          return this.year % 100;      });

addFormatToken(0, ['YYYY',  4],       0, 'year'); addFormatToken(0, ['YYYYY', 5],       0, 'year'); addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');

// ALIASES

addUnitAlias('year', 'y');

// PARSING

addRegexToken('Y',     matchSigned); addRegexToken('YY',    match1to2, match2); addRegexToken('YYYY',  match1to4, match4); addRegexToken('YYYYY', match1to6, match6); addRegexToken('YYYYYY', match1to6, match6);

addParseToken(['YYYY', 'YYYYY', 'YYYYYY'], YEAR); addParseToken('YY', function (input, array) {         array[YEAR] = hooks__hooks.parseTwoDigitYear(input);      });

// HELPERS

function daysInYear(year) { return isLeapYear(year) ? 366 : 365;     }

function isLeapYear(year) { return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; }

// HOOKS

hooks__hooks.parseTwoDigitYear = function (input) { return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); };

// MOMENTS

var getSetYear = makeGetSet('FullYear', false);

function getIsLeapYear { return isLeapYear(this.year); }

addFormatToken('w', ['ww', 2], 'wo', 'week'); addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');

// ALIASES

addUnitAlias('week', 'w'); addUnitAlias('isoWeek', 'W');

// PARSING

addRegexToken('w', match1to2); addRegexToken('ww', match1to2, match2); addRegexToken('W', match1to2); addRegexToken('WW', match1to2, match2);

addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {         week[token.substr(0, 1)] = toInt(input);      });

// HELPERS

// firstDayOfWeek      0 = sun, 6 = sat //                     the day of the week that starts the week //                     (usually sunday or monday) // firstDayOfWeekOfYear 0 = sun, 6 = sat //                     the first week is the week that contains the first //                     of this day of the week //                     (eg. ISO weeks use thursday (4)) function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) { var end = firstDayOfWeekOfYear - firstDayOfWeek, daysToDayOfWeek = firstDayOfWeekOfYear - mom.day, adjustedMoment;

if (daysToDayOfWeek > end) { daysToDayOfWeek -= 7; }

if (daysToDayOfWeek < end - 7) { daysToDayOfWeek += 7; }

adjustedMoment = local__createLocal(mom).add(daysToDayOfWeek, 'd'); return { week: Math.ceil(adjustedMoment.dayOfYear / 7), year: adjustedMoment.year };     }

// LOCALES

function localeWeek (mom) { return weekOfYear(mom, this._week.dow, this._week.doy).week; }

var defaultLocaleWeek = { dow : 0, // Sunday is the first day of the week. doy : 6 // The week that contains Jan 1st is the first week of the year. };

function localeFirstDayOfWeek { return this._week.dow; }

function localeFirstDayOfYear { return this._week.doy; }

// MOMENTS

function getSetWeek (input) { var week = this.localeData.week(this); return input == null ? week : this.add((input - week) * 7, 'd'); }

function getSetISOWeek (input) { var week = weekOfYear(this, 1, 4).week; return input == null ? week : this.add((input - week) * 7, 'd'); }

addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

// ALIASES

addUnitAlias('dayOfYear', 'DDD');

// PARSING

addRegexToken('DDD', match1to3); addRegexToken('DDDD', match3); addParseToken(['DDD', 'DDDD'], function (input, array, config) {         config._dayOfYear = toInt(input);      });

// HELPERS

//http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) { var d = createUTCDate(year, 0, 1).getUTCDay; var daysToAdd; var dayOfYear;

d = d === 0 ? 7 : d;         weekday = weekday != null ? weekday : firstDayOfWeek; daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0); dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;

return { year     : dayOfYear > 0 ? year     : year - 1, dayOfYear : dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear };     }

// MOMENTS

function getSetDayOfYear (input) { var dayOfYear = Math.round((this.clone.startOf('day') - this.clone.startOf('year')) / 864e5) + 1; return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); }

// Pick the first defined of two or three arguments. function defaults(a, b, c) { if (a != null) { return a;         } if (b != null) { return b;         } return c;     }

function currentDateArray(config) { var now = new Date; if (config._useUTC) { return [now.getUTCFullYear, now.getUTCMonth, now.getUTCDate]; }         return [now.getFullYear, now.getMonth, now.getDate]; }

// convert an array to a date. // the array should mirror the parameters below // note: all values past the year are optional and will default to the lowest possible value. // [year, month, day, hour, minute, second, millisecond] function configFromArray (config) { var i, date, input = [], currentDate, yearToUse;

if (config._d) { return; }

currentDate = currentDateArray(config);

//compute day of the year from weeks and weekdays if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { dayOfYearFromWeekInfo(config); }

//if the day of the year is set, figure out what it is         if (config._dayOfYear) { yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

if (config._dayOfYear > daysInYear(yearToUse)) { config._pf._overflowDayOfYear = true; }

date = createUTCDate(yearToUse, 0, config._dayOfYear); config._a[MONTH] = date.getUTCMonth; config._a[DATE] = date.getUTCDate; }

// Default to current date. // * if no year, month, day of month are given, default to today // * if day of month is given, default month and year // * if month is given, default only year // * if year is given, don't default anything for (i = 0; i < 3 && config._a[i] == null; ++i) { config._a[i] = input[i] = currentDate[i]; }

// Zero out whatever was not defaulted, including time for (i < 7; i++) { config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; }

// Check for 24:00:00.000 if (config._a[HOUR] === 24 &&                 config._a[MINUTE] === 0 &&                  config._a[SECOND] === 0 &&                  config._a[MILLISECOND] === 0) { config._nextDay = true; config._a[HOUR] = 0; }

config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); // Apply timezone offset from input. The actual utcOffset can be changed // with parseZone. if (config._tzm != null) { config._d.setUTCMinutes(config._d.getUTCMinutes - config._tzm); }

if (config._nextDay) { config._a[HOUR] = 24; }     }

function dayOfYearFromWeekInfo(config) { var w, weekYear, week, weekday, dow, doy, temp;

w = config._w; if (w.GG != null || w.W != null || w.E != null) { dow = 1; doy = 4;

// TODO: We need to take the current isoWeekYear, but that depends on             // how we interpret now (local, utc, fixed offset). So create // a now version of current config (take local/utc/offset flags, and             // create now). weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal, 1, 4).year); week = defaults(w.W, 1); weekday = defaults(w.E, 1); } else { dow = config._locale._week.dow; doy = config._locale._week.doy;

weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal, dow, doy).year); week = defaults(w.w, 1);

if (w.d != null) { // weekday -- low day numbers are considered next week weekday = w.d;                 if (weekday < dow) { ++week; }             } else if (w.e != null) { // local weekday -- counting starts from begining of week weekday = w.e + dow; } else { // default to begining of week weekday = dow; }         }          temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);

config._a[YEAR] = temp.year; config._dayOfYear = temp.dayOfYear; }

hooks__hooks.ISO_8601 = function {};

// date from string and format string function configFromStringAndFormat(config) { // TODO: Move this to another part of the creation flow to prevent circular deps if (config._f === hooks__hooks.ISO_8601) { configFromISO(config); return; }

config._a = []; config._pf.empty = true;

// This array is used to make a Date, either with `new Date` or `Date.UTC` var string = '' + config._i, i, parsedInput, tokens, token, skipped, stringLength = string.length, totalParsedInputLength = 0;

tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

for (i = 0; i < tokens.length; i++) { token = tokens[i]; parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; if (parsedInput) { skipped = string.substr(0, string.indexOf(parsedInput)); if (skipped.length > 0) { config._pf.unusedInput.push(skipped); }                 string = string.slice(string.indexOf(parsedInput) + parsedInput.length); totalParsedInputLength += parsedInput.length; }             // don't parse if it's not a known token if (formatTokenFunctions[token]) { if (parsedInput) { config._pf.empty = false; }                 else { config._pf.unusedTokens.push(token); }                 addTimeToArrayFromToken(token, parsedInput, config); }             else if (config._strict && !parsedInput) { config._pf.unusedTokens.push(token); }         }

// add remaining unparsed input length to the string config._pf.charsLeftOver = stringLength - totalParsedInputLength; if (string.length > 0) { config._pf.unusedInput.push(string); }

// clear _12h flag if hour is <= 12 if (config._pf.bigHour === true && config._a[HOUR] <= 12) { config._pf.bigHour = undefined; }         // handle meridiem config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);

configFromArray(config); checkOverflow(config); }

function meridiemFixWrap (locale, hour, meridiem) { var isPm;

if (meridiem == null) { // nothing to do             return hour; }         if (locale.meridiemHour != null) { return locale.meridiemHour(hour, meridiem); } else if (locale.isPM != null) { // Fallback isPm = locale.isPM(meridiem); if (isPm && hour < 12) { hour += 12; }             if (!isPm && hour === 12) { hour = 0; }             return hour; } else { // this is not supposed to happen return hour; }     }

function configFromStringAndArray(config) { var tempConfig, bestMoment,

scoreToBeat, i,             currentScore;

if (config._f.length === 0) { config._pf.invalidFormat = true; config._d = new Date(NaN); return; }

for (i = 0; i < config._f.length; i++) { currentScore = 0; tempConfig = copyConfig({}, config); if (config._useUTC != null) { tempConfig._useUTC = config._useUTC; }             tempConfig._pf = defaultParsingFlags; tempConfig._f = config._f[i]; configFromStringAndFormat(tempConfig);

if (!valid__isValid(tempConfig)) { continue; }

// if there is any input that was not parsed add a penalty for that format currentScore += tempConfig._pf.charsLeftOver;

//or tokens currentScore += tempConfig._pf.unusedTokens.length * 10;

tempConfig._pf.score = currentScore;

if (scoreToBeat == null || currentScore < scoreToBeat) { scoreToBeat = currentScore; bestMoment = tempConfig; }         }

extend(config, bestMoment || tempConfig); }

function configFromObject(config) { if (config._d) { return; }

var i = normalizeObjectUnits(config._i); config._a = [i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond];

configFromArray(config); }

function createFromConfig (config) { var input = config._i, format = config._f, res;

config._locale = config._locale || locales__getLocale(config._l);

if (input === null || (format === undefined && input === '')) { return valid__createInvalid({nullInput: true}); }

if (typeof input === 'string') { config._i = input = config._locale.preparse(input); }

if (isMoment(input)) { return new Moment(checkOverflow(input)); } else if (isArray(format)) { configFromStringAndArray(config); } else if (format) { configFromStringAndFormat(config); } else { configFromInput(config); }

res = new Moment(checkOverflow(config)); if (res._nextDay) { // Adding is smart enough around DST res.add(1, 'd'); res._nextDay = undefined; }

return res; }

function configFromInput(config) { var input = config._i; if (input === undefined) { config._d = new Date; } else if (isDate(input)) { config._d = new Date(+input); } else if (typeof input === 'string') { configFromString(config); } else if (isArray(input)) { config._a = map(input.slice(0), function (obj) {                 return parseInt(obj, 10);              }); configFromArray(config); } else if (typeof(input) === 'object') { configFromObject(config); } else if (typeof(input) === 'number') { // from milliseconds config._d = new Date(input); } else { hooks__hooks.createFromInputFallback(config); }     }

function createLocalOrUTC (input, format, locale, strict, isUTC) { var c = {};

if (typeof(locale) === 'boolean') { strict = locale; locale = undefined; }         // object construction must be done this way. // https://github.com/moment/moment/issues/1423 c._isAMomentObject = true; c._useUTC = c._isUTC = isUTC; c._l = locale; c._i = input; c._f = format; c._strict = strict; c._pf = defaultParsingFlags;

return createFromConfig(c); }

function local__createLocal (input, format, locale, strict) { return createLocalOrUTC(input, format, locale, strict, false); }

var prototypeMin = deprecate(          'moment.min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',           function  {               var other = local__createLocal.apply(null, arguments);               return other < this ? this : other;           }       );

var prototypeMax = deprecate(         'moment.max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',          function  {              var other = local__createLocal.apply(null, arguments);              return other > this ? this : other;          }      );

// Pick a moment m from moments so that m[fn](other) is true for all // other. This relies on the function fn to be transitive. //     // moments should either be an array of moment objects or an array, whose // first element is an array of moment objects. function pickBy(fn, moments) { var res, i;         if (moments.length === 1 && isArray(moments[0])) { moments = moments[0]; }         if (!moments.length) { return local__createLocal; }         res = moments[0]; for (i = 1; i < moments.length; ++i) { if (moments[i][fn](res)) { res = moments[i]; }         }          return res; }

// TODO: Use [].sort instead? function min { var args = [].slice.call(arguments, 0);

return pickBy('isBefore', args); }

function max { var args = [].slice.call(arguments, 0);

return pickBy('isAfter', args); }

function Duration (duration) { var normalizedInput = normalizeObjectUnits(duration), years = normalizedInput.year || 0, quarters = normalizedInput.quarter || 0, months = normalizedInput.month || 0, weeks = normalizedInput.week || 0, days = normalizedInput.day || 0, hours = normalizedInput.hour || 0, minutes = normalizedInput.minute || 0, seconds = normalizedInput.second || 0, milliseconds = normalizedInput.millisecond || 0;

// representation for dateAddRemove this._milliseconds = +milliseconds + seconds * 1e3 + // 1000 minutes * 6e4 + // 1000 * 60 hours * 36e5; // 1000 * 60 * 60 // Because of dateAddRemove treats 24 hours as different from a         // day when working around DST, we need to store them separately this._days = +days + weeks * 7; // It is impossible translate months into days without knowing // which months you are are talking about, so we have to store // it separately. this._months = +months + quarters * 3 + years * 12;

this._data = {};

this._locale = locales__getLocale;

this._bubble; }

function isDuration (obj) { return obj instanceof Duration; }

function offset (token, separator) { addFormatToken(token, 0, 0, function {              var offset = this.utcOffset;              var sign = '+';              if (offset < 0) {                  offset = -offset;                  sign = '-';              }              return sign + zeroFill((offset / 60), 2) + separator + zeroFill((offset) % 60, 2);          }); }

offset('Z', ':'); offset('ZZ', '');

// PARSING

addRegexToken('Z', matchOffset); addRegexToken('ZZ', matchOffset); addParseToken(['Z', 'ZZ'], function (input, array, config) {         config._useUTC = true;          config._tzm = offsetFromString(input);      });

// HELPERS

// timezone chunker // '+10:00' > ['10', '00']      // '-1530'  > ['-15', '30']      var chunkOffset = /([\+\-]|\d\d)/gi;

function offsetFromString(string) { var matches = ((string || '').match(matchOffset) || []); var chunk  = matches[matches.length - 1] || []; var parts  = (chunk + '').match(chunkOffset) || ['-', 0, 0]; var minutes = +(parts[1] * 60) + toInt(parts[2]);

return parts[0] === '+' ? minutes : -minutes; }

// Return a moment from input, that is local/utc/zone equivalent to model. function cloneWithOffset(input, model) { var res, diff; if (model._isUTC) { res = model.clone; diff = (isMoment(input) || isDate(input) ? +input : +local__createLocal(input)) - (+res); // Use low-level api, because this fn is low-level api. res._d.setTime(+res._d + diff); hooks__hooks.updateOffset(res, false); return res; } else { return local__createLocal(input).local; }         return model._isUTC ? local__createLocal(input).zone(model._offset || 0) : local__createLocal(input).local; }

function getDateOffset (m) { // On Firefox.24 Date#getTimezoneOffset returns a floating point. // https://github.com/moment/moment/pull/1871 return -Math.round(m._d.getTimezoneOffset / 15) * 15; }

// HOOKS

// This function will be called whenever a moment is mutated. // It is intended to keep the offset in sync with the timezone. hooks__hooks.updateOffset = function {};

// MOMENTS

// keepLocalTime = true means only change the timezone, without // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset // +0200, so we adjust the time as needed, to be valid. //     // Keeping the time actually adds/subtracts (one hour) // from the actual represented time. That is why we call updateOffset // a second time. In case it wants us to change the offset again // _changeInProgress == true case, then we have to adjust, because // there is no such time in the given timezone. function getSetOffset (input, keepLocalTime) { var offset = this._offset || 0, localAdjust; if (input != null) { if (typeof input === 'string') { input = offsetFromString(input); }             if (Math.abs(input) < 16) { input = input * 60; }             if (!this._isUTC && keepLocalTime) { localAdjust = getDateOffset(this); }             this._offset = input; this._isUTC = true; if (localAdjust != null) { this.add(localAdjust, 'm'); }             if (offset !== input) { if (!keepLocalTime || this._changeInProgress) { add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false); } else if (!this._changeInProgress) { this._changeInProgress = true; hooks__hooks.updateOffset(this, true); this._changeInProgress = null; }             }              return this; } else { return this._isUTC ? offset : getDateOffset(this); }     }

function getSetZone (input, keepLocalTime) { if (input != null) { if (typeof input !== 'string') { input = -input; }

this.utcOffset(input, keepLocalTime);

return this; } else { return -this.utcOffset; }     }

function setOffsetToUTC (keepLocalTime) { return this.utcOffset(0, keepLocalTime); }

function setOffsetToLocal (keepLocalTime) { if (this._isUTC) { this.utcOffset(0, keepLocalTime); this._isUTC = false;

if (keepLocalTime) { this.subtract(getDateOffset(this), 'm'); }         }          return this; }

function setOffsetToParsedOffset { if (this._tzm) { this.utcOffset(this._tzm); } else if (typeof this._i === 'string') { this.utcOffset(offsetFromString(this._i)); }         return this; }

function hasAlignedHourOffset (input) { if (!input) { input = 0; }         else { input = local__createLocal(input).utcOffset; }

return (this.utcOffset - input) % 60 === 0; }

function isDaylightSavingTime { return (             this.utcOffset > this.clone.month(0).utcOffset ||              this.utcOffset > this.clone.month(5).utcOffset          ); }

function isDaylightSavingTimeShifted { if (this._a) { var other = this._isUTC ? utc__createUTC(this._a) : local__createLocal(this._a); return this.isValid && compareArrays(this._a, other.toArray) > 0; }

return false; }

function isLocal { return !this._isUTC; }

function isUtcOffset { return this._isUTC; }

function isUtc { return this._isUTC && this._offset === 0; }

var aspNetRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/;

// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere var create__isoRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/;

function create__createDuration (input, key) { var duration = input, // matching against regexp is expensive, do it on demand match = null, sign, ret, diffRes;

if (isDuration(input)) { duration = { ms : input._milliseconds, d : input._days, M : input._months };         } else if (typeof input === 'number') { duration = {}; if (key) { duration[key] = input; } else { duration.milliseconds = input; }         } else if (!!(match = aspNetRegex.exec(input))) { sign = (match[1] === '-') ? -1 : 1;             duration = { y : 0, d : toInt(match[DATE])        * sign, h : toInt(match[HOUR])        * sign, m : toInt(match[MINUTE])      * sign, s : toInt(match[SECOND])      * sign, ms : toInt(match[MILLISECOND]) * sign };         } else if (!!(match = create__isoRegex.exec(input))) { sign = (match[1] === '-') ? -1 : 1;             duration = { y : parseIso(match[2], sign), M : parseIso(match[3], sign), d : parseIso(match[4], sign), h : parseIso(match[5], sign), m : parseIso(match[6], sign), s : parseIso(match[7], sign), w : parseIso(match[8], sign) };         } else if (duration == null) {// checks for null or undefined duration = {}; } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));

duration = {}; duration.ms = diffRes.milliseconds; duration.M = diffRes.months; }

ret = new Duration(duration);

if (isDuration(input) && hasOwnProp(input, '_locale')) { ret._locale = input._locale; }

return ret; }

function parseIso (inp, sign) { // We'd normally use inp for this, but unfortunately it also // converts floats to ints. // inp may be undefined, so careful calling replace on it. var res = inp && parseFloat(inp.replace(',', '.')); // apply sign while we're at it         return (isNaN(res) ? 0 : res) * sign; }

function positiveMomentsDifference(base, other) { var res = {milliseconds: 0, months: 0};

res.months = other.month - base.month + (other.year - base.year) * 12; if (base.clone.add(res.months, 'M').isAfter(other)) { --res.months; }

res.milliseconds = +other - +(base.clone.add(res.months, 'M'));

return res; }

function momentsDifference(base, other) { var res; other = cloneWithOffset(other, base); if (base.isBefore(other)) { res = positiveMomentsDifference(base, other); } else { res = positiveMomentsDifference(other, base); res.milliseconds = -res.milliseconds; res.months = -res.months; }

return res; }

function createAdder(direction, name) { return function (val, period) { var dur, tmp; //invert the arguments, but complain about it             if (period !== null && !isNaN(+period)) { deprecateSimple(name, 'moment.' + name + '(period, number) is deprecated. Please use moment.' + name + '(number, period).'); tmp = val; val = period; period = tmp; }

val = typeof val === 'string' ? +val : val; dur = create__createDuration(val, period); add_subtract__addSubtract(this, dur, direction); return this; };     }

function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) { var milliseconds = duration._milliseconds, days = duration._days, months = duration._months; updateOffset = updateOffset == null ? true : updateOffset;

if (milliseconds) { mom._d.setTime(+mom._d + milliseconds * isAdding); }         if (days) { get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding); }         if (months) { setMonth(mom, get_set__get(mom, 'Month') + months * isAdding); }         if (updateOffset) { hooks__hooks.updateOffset(mom, days || months); }     }

var add_subtract__add     = createAdder(1, 'add'); var add_subtract__subtract = createAdder(-1, 'subtract');

function calendar__calendar (time) { // We want to compare the start of today, vs this. // Getting start-of-today depends on whether we're local/utc/offset or not. var now = time || local__createLocal, sod = cloneWithOffset(now, this).startOf('day'), diff = this.diff(sod, 'days', true), format = diff < -6 ? 'sameElse' : diff < -1 ? 'lastWeek' : diff < 0 ? 'lastDay' : diff < 1 ? 'sameDay' : diff < 2 ? 'nextDay' : diff < 7 ? 'nextWeek' : 'sameElse'; return this.format(this.localeData.calendar(format, this, local__createLocal(now))); }

function clone { return new Moment(this); }

function isAfter (input, units) { var inputMs; units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); if (units === 'millisecond') { input = isMoment(input) ? input : local__createLocal(input); return +this > +input; } else { inputMs = isMoment(input) ? +input : +local__createLocal(input); return inputMs < +this.clone.startOf(units); }     }

function isBefore (input, units) { var inputMs; units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond'); if (units === 'millisecond') { input = isMoment(input) ? input : local__createLocal(input); return +this < +input; } else { inputMs = isMoment(input) ? +input : +local__createLocal(input); return +this.clone.endOf(units) < inputMs; }     }

function isBetween (from, to, units) { return this.isAfter(from, units) && this.isBefore(to, units); }

function isSame (input, units) { var inputMs; units = normalizeUnits(units || 'millisecond'); if (units === 'millisecond') { input = isMoment(input) ? input : local__createLocal(input); return +this === +input; } else { inputMs = +local__createLocal(input); return +(this.clone.startOf(units)) <= inputMs && inputMs <= +(this.clone.endOf(units)); }     }

function absFloor (number) { if (number < 0) { return Math.ceil(number); } else { return Math.floor(number); }     }

function diff (input, units, asFloat) { var that = cloneWithOffset(input, this), zoneDelta = (that.utcOffset - this.utcOffset) * 6e4, delta, output;

units = normalizeUnits(units);

if (units === 'year' || units === 'month' || units === 'quarter') { output = monthDiff(this, that); if (units === 'quarter') { output = output / 3; } else if (units === 'year') { output = output / 12; }         } else { delta = this - that; output = units === 'second' ? delta / 1e3 : // 1000 units === 'minute' ? delta / 6e4 : // 1000 * 60 units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60 units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst delta; }         return asFloat ? output : absFloor(output); }

function monthDiff (a, b) { // difference in months var wholeMonthDiff = ((b.year - a.year) * 12) + (b.month - a.month), // b is in (anchor - 1 month, anchor + 1 month) anchor = a.clone.add(wholeMonthDiff, 'months'), anchor2, adjust;

if (b - anchor < 0) { anchor2 = a.clone.add(wholeMonthDiff - 1, 'months'); // linear across the month adjust = (b - anchor) / (anchor - anchor2); } else { anchor2 = a.clone.add(wholeMonthDiff + 1, 'months'); // linear across the month adjust = (b - anchor) / (anchor2 - anchor); }

return -(wholeMonthDiff + adjust); }

hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';

function toString { return this.clone.locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); }

function moment_format__toISOString { var m = this.clone.utc; if (0 < m.year && m.year <= 9999) { if ('function' === typeof Date.prototype.toISOString) { // native implementation is ~50x faster, use it when we can return this.toDate.toISOString; } else { return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); }         } else { return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'); }     }

function format (inputString) { var output = formatMoment(this, inputString || hooks__hooks.defaultFormat); return this.localeData.postformat(output); }

function from (time, withoutSuffix) { return create__createDuration({to: this, from: time}).locale(this.locale).humanize(!withoutSuffix); }

function fromNow (withoutSuffix) { return this.from(local__createLocal, withoutSuffix); }

function locale (key) { var newLocaleData;

if (key === undefined) { return this._locale._abbr; } else { newLocaleData = locales__getLocale(key); if (newLocaleData != null) { this._locale = newLocaleData; }             return this; }     }

var lang = deprecate(         'moment.lang is deprecated. Instead, use moment.localeData to get the language configuration. Use moment.locale to change languages.',          function (key) {              if (key === undefined) {                  return this.localeData;              } else {                  return this.locale(key);              }          }      );

function localeData { return this._locale; }

function startOf (units) { units = normalizeUnits(units); // the following switch intentionally omits break keywords // to utilize falling through the cases. switch (units) { case 'year': this.month(0); /* falls through */ case 'quarter': case 'month': this.date(1); /* falls through */ case 'week': case 'isoWeek': case 'day': this.hours(0); /* falls through */ case 'hour': this.minutes(0); /* falls through */ case 'minute': this.seconds(0); /* falls through */ case 'second': this.milliseconds(0); /* falls through */ }

// weeks are a special case if (units === 'week') { this.weekday(0); }         if (units === 'isoWeek') { this.isoWeekday(1); }

// quarters are also special if (units === 'quarter') { this.month(Math.floor(this.month / 3) * 3); }

return this; }

function endOf (units) { units = normalizeUnits(units); if (units === undefined || units === 'millisecond') { return this; }         return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); }

function to_type__valueOf { return +this._d - ((this._offset || 0) * 60000); }

function unix { return Math.floor(+this / 1000); }

function toDate { return this._offset ? new Date(+this) : this._d; }

function toArray { var m = this; return [m.year, m.month, m.date, m.hour, m.minute, m.second, m.millisecond]; }

function moment_valid__isValid { return valid__isValid(this); }

function parsingFlags { return extend({}, this._pf); }

function invalidAt { return this._pf.overflow; }

addFormatToken(0, ['gg', 2], 0, function {          return this.weekYear % 100;      });

addFormatToken(0, ['GG', 2], 0, function {          return this.isoWeekYear % 100;      });

function addWeekYearFormatToken (token, getter) { addFormatToken(0, [token, token.length], 0, getter); }

addWeekYearFormatToken('gggg',    'weekYear'); addWeekYearFormatToken('ggggg',   'weekYear'); addWeekYearFormatToken('GGGG', 'isoWeekYear'); addWeekYearFormatToken('GGGGG', 'isoWeekYear');

// ALIASES

addUnitAlias('weekYear', 'gg'); addUnitAlias('isoWeekYear', 'GG');

// PARSING

addRegexToken('G',     matchSigned); addRegexToken('g',     matchSigned); addRegexToken('GG',    match1to2, match2); addRegexToken('gg',    match1to2, match2); addRegexToken('GGGG',  match1to4, match4); addRegexToken('gggg',  match1to4, match4); addRegexToken('GGGGG', match1to6, match6); addRegexToken('ggggg', match1to6, match6);

addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {         week[token.substr(0, 2)] = toInt(input);      });

addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {         week[token] = hooks__hooks.parseTwoDigitYear(input);      });

// HELPERS

function weeksInYear(year, dow, doy) { return weekOfYear(local__createLocal([year, 11, 31 + dow - doy]), dow, doy).week; }

// MOMENTS

function getSetWeekYear (input) { var year = weekOfYear(this, this.localeData._week.dow, this.localeData._week.doy).year; return input == null ? year : this.add((input - year), 'y'); }

function getSetISOWeekYear (input) { var year = weekOfYear(this, 1, 4).year; return input == null ? year : this.add((input - year), 'y'); }

function getISOWeeksInYear { return weeksInYear(this.year, 1, 4); }

function getWeeksInYear { var weekInfo = this.localeData._week; return weeksInYear(this.year, weekInfo.dow, weekInfo.doy); }

addFormatToken('Q', 0, 0, 'quarter');

// ALIASES

addUnitAlias('quarter', 'Q');

// PARSING

addRegexToken('Q', match1); addParseToken('Q', function (input, array) {         array[MONTH] = (toInt(input) - 1) * 3;      });

// MOMENTS

function getSetQuarter (input) { return input == null ? Math.ceil((this.month + 1) / 3) : this.month((input - 1) * 3 + this.month % 3); }

addFormatToken('D', ['DD', 2], 'Do', 'date');

// ALIASES

addUnitAlias('date', 'D');

// PARSING

addRegexToken('D', match1to2); addRegexToken('DD', match1to2, match2); addRegexToken('Do', function (isStrict, locale) {         return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;      });

addParseToken(['D', 'DD'], DATE); addParseToken('Do', function (input, array) {         array[DATE] = toInt(input.match(match1to2)[0], 10);      });

// MOMENTS

var getSetDayOfMonth = makeGetSet('Date', true);

addFormatToken('d', 0, 'do', 'day');

addFormatToken('dd', 0, 0, function (format) {         return this.localeData.weekdaysMin(this, format);      });

addFormatToken('ddd', 0, 0, function (format) {         return this.localeData.weekdaysShort(this, format);      });

addFormatToken('dddd', 0, 0, function (format) {         return this.localeData.weekdays(this, format);      });

addFormatToken('e', 0, 0, 'weekday'); addFormatToken('E', 0, 0, 'isoWeekday');

// ALIASES

addUnitAlias('day', 'd'); addUnitAlias('weekday', 'e'); addUnitAlias('isoWeekday', 'E');

// PARSING

addRegexToken('d',   match1to2); addRegexToken('e',   match1to2); addRegexToken('E',   match1to2); addRegexToken('dd',  matchWord); addRegexToken('ddd', matchWord); addRegexToken('dddd', matchWord);

addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config) {         var weekday = config._locale.weekdaysParse(input);          // if we didn't get a weekday name, mark the date as invalid          if (weekday != null) {              week.d = weekday;          } else {              config._pf.invalidWeekday = input;          }      });

addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {         week[token] = toInt(input);      });

// HELPERS

function parseWeekday(input, locale) { if (typeof input === 'string') { if (!isNaN(input)) { input = parseInt(input, 10); }             else { input = locale.weekdaysParse(input); if (typeof input !== 'number') { return null; }             }          }          return input; }

// LOCALES

var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); function localeWeekdays (m) { return this._weekdays[m.day]; }

var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); function localeWeekdaysShort (m) { return this._weekdaysShort[m.day]; }

var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); function localeWeekdaysMin (m) { return this._weekdaysMin[m.day]; }

function localeWeekdaysParse (weekdayName) { var i, mom, regex;

if (!this._weekdaysParse) { this._weekdaysParse = []; }

for (i = 0; i < 7; i++) { // make the regex if we don't have it already if (!this._weekdaysParse[i]) { mom = local__createLocal([2000, 1]).day(i); regex = '^' + this.weekdays(mom, ) + '|^' + this.weekdaysShort(mom, ) + '|^' + this.weekdaysMin(mom, ''); this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); }             // test the regex if (this._weekdaysParse[i].test(weekdayName)) { return i;             } }     }

// MOMENTS

function getSetDayOfWeek (input) { var day = this._isUTC ? this._d.getUTCDay : this._d.getDay; if (input != null) { input = parseWeekday(input, this.localeData); return this.add(input - day, 'd'); } else { return day; }     }

function getSetLocaleDayOfWeek (input) { var weekday = (this.day + 7 - this.localeData._week.dow) % 7; return input == null ? weekday : this.add(input - weekday, 'd'); }

function getSetISODayOfWeek (input) { // behaves the same as moment#day except // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) // as a setter, sunday should belong to the previous week. return input == null ? this.day || 7 : this.day(this.day % 7 ? input : input - 7); }

addFormatToken('H', ['HH', 2], 0, 'hour'); addFormatToken('h', ['hh', 2], 0, function {          return this.hours % 12 || 12;      });

function meridiem (token, lowercase) { addFormatToken(token, 0, 0, function {              return this.localeData.meridiem(this.hours, this.minutes, lowercase);          }); }

meridiem('a', true); meridiem('A', false);

// ALIASES

addUnitAlias('hour', 'h');

// PARSING

function matchMeridiem (isStrict, locale) { return locale._meridiemParse; }

addRegexToken('a', matchMeridiem); addRegexToken('A', matchMeridiem); addRegexToken('H', match1to2); addRegexToken('h', match1to2); addRegexToken('HH', match1to2, match2); addRegexToken('hh', match1to2, match2);

addParseToken(['H', 'HH'], HOUR); addParseToken(['a', 'A'], function (input, array, config) {         config._isPm = config._locale.isPM(input);          config._meridiem = input;      }); addParseToken(['h', 'hh'], function (input, array, config) {         array[HOUR] = toInt(input);          config._pf.bigHour = true;      });

// LOCALES

function localeIsPM (input) { // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays // Using charAt should be more compatible. return ((input + '').toLowerCase.charAt(0) === 'p'); }

var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; function localeMeridiem (hours, minutes, isLower) { if (hours > 11) { return isLower ? 'pm' : 'PM'; } else { return isLower ? 'am' : 'AM'; }     }

// MOMENTS

// Setting the hour should keep the time, because the user explicitly // specified which hour he wants. So trying to maintain the same hour (in     // a new timezone) makes sense. Adding/subtracting hours does not follow // this rule. var getSetHour = makeGetSet('Hours', true);

addFormatToken('m', ['mm', 2], 0, 'minute');

// ALIASES

addUnitAlias('minute', 'm');

// PARSING

addRegexToken('m', match1to2); addRegexToken('mm', match1to2, match2); addParseToken(['m', 'mm'], MINUTE);

// MOMENTS

var getSetMinute = makeGetSet('Minutes', false);

addFormatToken('s', ['ss', 2], 0, 'second');

// ALIASES

addUnitAlias('second', 's');

// PARSING

addRegexToken('s', match1to2); addRegexToken('ss', match1to2, match2); addParseToken(['s', 'ss'], SECOND);

// MOMENTS

var getSetSecond = makeGetSet('Seconds', false);

addFormatToken('S', 0, 0, function {          return (this.millisecond / 100);      });

addFormatToken(0, ['SS', 2], 0, function {          return (this.millisecond / 10);      });

function millisecond__milliseconds (token) { addFormatToken(0, [token, 3], 0, 'millisecond'); }

millisecond__milliseconds('SSS'); millisecond__milliseconds('SSSS');

// ALIASES

addUnitAlias('millisecond', 'ms');

// PARSING

addRegexToken('S',   match1to3, match1); addRegexToken('SS',  match1to3, match2); addRegexToken('SSS', match1to3, match3); addRegexToken('SSSS', matchUnsigned); addParseToken(['S', 'SS', 'SSS', 'SSSS'], function (input, array) {         array[MILLISECOND] = toInt(('0.' + input) * 1000);      });

// MOMENTS

var getSetMillisecond = makeGetSet('Milliseconds', false);

addFormatToken('z', 0, 0, 'zoneAbbr'); addFormatToken('zz', 0, 0, 'zoneName');

// MOMENTS

function getZoneAbbr { return this._isUTC ? 'UTC' : ''; }

function getZoneName { return this._isUTC ? 'Coordinated Universal Time' : ''; }

var momentPrototype__proto = Moment.prototype;

momentPrototype__proto.add         = add_subtract__add; momentPrototype__proto.calendar    = calendar__calendar; momentPrototype__proto.clone       = clone; momentPrototype__proto.diff        = diff; momentPrototype__proto.endOf       = endOf; momentPrototype__proto.format      = format; momentPrototype__proto.from        = from; momentPrototype__proto.fromNow     = fromNow; momentPrototype__proto.get         = getSet; momentPrototype__proto.invalidAt   = invalidAt; momentPrototype__proto.isAfter     = isAfter; momentPrototype__proto.isBefore    = isBefore; momentPrototype__proto.isBetween   = isBetween; momentPrototype__proto.isSame      = isSame; momentPrototype__proto.isValid     = moment_valid__isValid; momentPrototype__proto.lang        = lang; momentPrototype__proto.locale      = locale; momentPrototype__proto.localeData  = localeData; momentPrototype__proto.max         = prototypeMax; momentPrototype__proto.min         = prototypeMin; momentPrototype__proto.parsingFlags = parsingFlags; momentPrototype__proto.set         = getSet; momentPrototype__proto.startOf     = startOf; momentPrototype__proto.subtract    = add_subtract__subtract; momentPrototype__proto.toArray     = toArray; momentPrototype__proto.toDate      = toDate; momentPrototype__proto.toISOString = moment_format__toISOString; momentPrototype__proto.toJSON      = moment_format__toISOString; momentPrototype__proto.toString    = toString; momentPrototype__proto.unix        = unix; momentPrototype__proto.valueOf     = to_type__valueOf;

// Year momentPrototype__proto.year      = getSetYear; momentPrototype__proto.isLeapYear = getIsLeapYear;

// Week Year momentPrototype__proto.weekYear   = getSetWeekYear; momentPrototype__proto.isoWeekYear = getSetISOWeekYear;

// Quarter momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;

// Month momentPrototype__proto.month      = getSetMonth; momentPrototype__proto.daysInMonth = getDaysInMonth;

// Week momentPrototype__proto.week          = momentPrototype__proto.weeks        = getSetWeek; momentPrototype__proto.isoWeek       = momentPrototype__proto.isoWeeks     = getSetISOWeek; momentPrototype__proto.weeksInYear   = getWeeksInYear; momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;

// Day momentPrototype__proto.date      = getSetDayOfMonth; momentPrototype__proto.day       = momentPrototype__proto.days             = getSetDayOfWeek; momentPrototype__proto.weekday   = getSetLocaleDayOfWeek; momentPrototype__proto.isoWeekday = getSetISODayOfWeek; momentPrototype__proto.dayOfYear = getSetDayOfYear;

// Hour momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;

// Minute momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;

// Second momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;

// Millisecond momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;

// Offset momentPrototype__proto.utcOffset           = getSetOffset; momentPrototype__proto.utc                 = setOffsetToUTC; momentPrototype__proto.local               = setOffsetToLocal; momentPrototype__proto.parseZone           = setOffsetToParsedOffset; momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset; momentPrototype__proto.isDST               = isDaylightSavingTime; momentPrototype__proto.isDSTShifted        = isDaylightSavingTimeShifted; momentPrototype__proto.isLocal             = isLocal; momentPrototype__proto.isUtcOffset         = isUtcOffset; momentPrototype__proto.isUtc               = isUtc; momentPrototype__proto.isUTC               = isUtc;

// Timezone momentPrototype__proto.zoneAbbr = getZoneAbbr; momentPrototype__proto.zoneName = getZoneName;

// Deprecations momentPrototype__proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); momentPrototype__proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); momentPrototype__proto.zone  = deprecate('moment.zone is deprecated, use moment.utcOffset instead. https://github.com/moment/moment/issues/1779', getSetZone);

var momentPrototype = momentPrototype__proto;

function moment__createUnix (input) { return local__createLocal(input * 1000); }

function moment__createInZone { return local__createLocal.apply(null, arguments).parseZone; }

var defaultCalendar = { sameDay : '[Today at] LT', nextDay : '[Tomorrow at] LT', nextWeek : 'dddd [at] LT', lastDay : '[Yesterday at] LT', lastWeek : '[Last] dddd [at] LT', sameElse : 'L'     };

function locale_calendar__calendar (key, mom, now) { var output = this._calendar[key]; return typeof output === 'function' ? output.call(mom, now) : output; }

var defaultLongDateFormat = { LTS : 'h:mm:ss A', LT  : 'h:mm A', L   : 'MM/DD/YYYY', LL  : 'MMMM D, YYYY', LLL : 'MMMM D, YYYY LT', LLLL : 'dddd, MMMM D, YYYY LT' };

function longDateFormat (key) { var output = this._longDateFormat[key]; if (!output && this._longDateFormat[key.toUpperCase]) { output = this._longDateFormat[key.toUpperCase].replace(/MMMM|MM|DD|dddd/g, function (val) {                 return val.slice(1);              }); this._longDateFormat[key] = output; }         return output; }

var defaultInvalidDate = 'Invalid date';

function invalidDate { return this._invalidDate; }

var defaultOrdinal = '%d'; var defaultOrdinalParse = /\d{1,2}/;

function ordinal (number) { return this._ordinal.replace('%d', number); }

function preParsePostFormat (string) { return string; }

var defaultRelativeTime = { future : 'in %s', past  : '%s ago', s : 'a few seconds', m : 'a minute', mm : '%d minutes', h : 'an hour', hh : '%d hours', d : 'a day', dd : '%d days', M : 'a month', MM : '%d months', y : 'a year', yy : '%d years' };

function relative__relativeTime (number, withoutSuffix, string, isFuture) { var output = this._relativeTime[string]; return (typeof output === 'function') ? output(number, withoutSuffix, string, isFuture) : output.replace(/%d/i, number); }

function pastFuture (diff, output) { var format = this._relativeTime[diff > 0 ? 'future' : 'past']; return typeof format === 'function' ? format(output) : format.replace(/%s/i, output); }

function set__set (config) { var prop, i;         for (i in config) { prop = config[i]; if (typeof prop === 'function') { this[i] = prop; } else { this['_' + i] = prop; }         }          // Lenient ordinal parsing accepts just a number in addition to          // number + (possibly) stuff coming from _ordinalParseLenient. this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + /\d{1,2}/.source); }

var prototype__proto = Locale.prototype;

prototype__proto._calendar      = defaultCalendar; prototype__proto.calendar       = locale_calendar__calendar; prototype__proto._longDateFormat = defaultLongDateFormat; prototype__proto.longDateFormat = longDateFormat; prototype__proto._invalidDate   = defaultInvalidDate; prototype__proto.invalidDate    = invalidDate; prototype__proto._ordinal       = defaultOrdinal; prototype__proto.ordinal        = ordinal; prototype__proto._ordinalParse  = defaultOrdinalParse; prototype__proto.preparse       = preParsePostFormat; prototype__proto.postformat     = preParsePostFormat; prototype__proto._relativeTime  = defaultRelativeTime; prototype__proto.relativeTime   = relative__relativeTime; prototype__proto.pastFuture     = pastFuture; prototype__proto.set            = set__set;

// Month prototype__proto.months      =        localeMonths; prototype__proto._months     = defaultLocaleMonths; prototype__proto.monthsShort =        localeMonthsShort; prototype__proto._monthsShort = defaultLocaleMonthsShort; prototype__proto.monthsParse =        localeMonthsParse;

// Week prototype__proto.week = localeWeek; prototype__proto._week = defaultLocaleWeek; prototype__proto.firstDayOfYear = localeFirstDayOfYear; prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;

// Day of Week prototype__proto.weekdays      =        localeWeekdays; prototype__proto._weekdays     = defaultLocaleWeekdays; prototype__proto.weekdaysMin   =        localeWeekdaysMin; prototype__proto._weekdaysMin  = defaultLocaleWeekdaysMin; prototype__proto.weekdaysShort =        localeWeekdaysShort; prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort; prototype__proto.weekdaysParse =        localeWeekdaysParse;

// Hours prototype__proto.isPM = localeIsPM; prototype__proto._meridiemParse = defaultLocaleMeridiemParse; prototype__proto.meridiem = localeMeridiem;

function lists__get (format, index, field, setter) { var locale = locales__getLocale; var utc = utc__createUTC.set(setter, index); return locale[field](utc, format); }

function list (format, index, field, count, setter) { if (typeof format === 'number') { index = format; format = undefined; }

format = format || '';

if (index != null) { return lists__get(format, index, field, setter); }

var i;         var out = []; for (i = 0; i < count; i++) { out[i] = lists__get(format, i, field, setter); }         return out; }

function lists__listMonths (format, index) { return list(format, index, 'months', 12, 'month'); }

function lists__listMonthsShort (format, index) { return list(format, index, 'monthsShort', 12, 'month'); }

function lists__listWeekdays (format, index) { return list(format, index, 'weekdays', 7, 'day'); }

function lists__listWeekdaysShort (format, index) { return list(format, index, 'weekdaysShort', 7, 'day'); }

function lists__listWeekdaysMin (format, index) { return list(format, index, 'weekdaysMin', 7, 'day'); }

locales__getSetGlobalLocale('en', {         ordinalParse: /\d{1,2}(th|st|nd|rd)/,          ordinal : function (number) {              var b = number % 10,                  output = (toInt(number % 100 / 10) === 1) ? 'th' :                  (b === 1) ? 'st' :                  (b === 2) ? 'nd' :                  (b === 3) ? 'rd' : 'th';              return number + output;          }      });

// Side effect imports hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locales__getSetGlobalLocale); hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locales__getLocale);

var mathAbs = Math.abs;

function abs__abs { var data          = this._data;

this._milliseconds = mathAbs(this._milliseconds); this._days        = mathAbs(this._days); this._months      = mathAbs(this._months);

data.milliseconds = mathAbs(data.milliseconds); data.seconds      = mathAbs(data.seconds); data.minutes      = mathAbs(data.minutes); data.hours        = mathAbs(data.hours); data.months       = mathAbs(data.months); data.years        = mathAbs(data.years);

return this; }

function duration_add_subtract__addSubtract (duration, input, value, direction) { var other = create__createDuration(input, value);

duration._milliseconds += direction * other._milliseconds; duration._days        += direction * other._days; duration._months      += direction * other._months;

return duration._bubble; }

// supports only 2.0-style add(1, 's') or add(duration) function duration_add_subtract__add (input, value) { return duration_add_subtract__addSubtract(this, input, value, 1); }

// supports only 2.0-style subtract(1, 's') or subtract(duration) function duration_add_subtract__subtract (input, value) { return duration_add_subtract__addSubtract(this, input, value, -1); }

function bubble { var milliseconds = this._milliseconds; var days        = this._days; var months      = this._months; var data        = this._data; var seconds, minutes, hours, years = 0;

// The following code bubbles up values, see the tests for // examples of what that means. data.milliseconds = milliseconds % 1000;

seconds          = absFloor(milliseconds / 1000); data.seconds     = seconds % 60;

minutes          = absFloor(seconds / 60); data.minutes     = minutes % 60;

hours            = absFloor(minutes / 60); data.hours       = hours % 24;

days += absFloor(hours / 24);

// Accurately convert days to years, assume start from year 0. years = absFloor(daysToYears(days)); days -= absFloor(yearsToDays(years));

// 30 days to a month // TODO (iskren): Use anchor date (like 1st Jan) to compute this. months += absFloor(days / 30); days  %= 30;

// 12 months -> 1 year years += absFloor(months / 12); months %= 12;

data.days  = days; data.months = months; data.years = years;

return this; }

function daysToYears (days) { // 400 years have 146097 days (taking into account leap year rules) return days * 400 / 146097; }

function yearsToDays (years) { // years * 365 + absFloor(years / 4) - //    absFloor(years / 100) + absFloor(years / 400); return years * 146097 / 400; }

function as (units) { var days; var months; var milliseconds = this._milliseconds;

units = normalizeUnits(units);

if (units === 'month' || units === 'year') { days  = this._days   + milliseconds / 864e5; months = this._months + daysToYears(days) * 12; return units === 'month' ? months : months / 12; } else { // handle milliseconds separately because of floating point math errors (issue #1867) days = this._days + Math.round(yearsToDays(this._months / 12)); switch (units) { case 'week'  : return days / 7            + milliseconds / 6048e5; case 'day'   : return days                + milliseconds / 864e5; case 'hour'  : return days * 24           + milliseconds / 36e5; case 'minute' : return days * 24 * 60     + milliseconds / 6e4; case 'second' : return days * 24 * 60 * 60 + milliseconds / 1000; // Math.floor prevents floating point math errors here case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + milliseconds; default: throw new Error('Unknown unit ' + units); }         }      }

// TODO: Use this.as('ms')? function as__valueOf { return (             this._milliseconds +              this._days * 864e5 +              (this._months % 12) * 2592e6 +              toInt(this._months / 12) * 31536e6          ); }

function makeAs (alias) { return function { return this.as(alias); };     }

var asMilliseconds = makeAs('ms'); var asSeconds     = makeAs('s'); var asMinutes     = makeAs('m'); var asHours       = makeAs('h'); var asDays        = makeAs('d'); var asWeeks       = makeAs('w'); var asMonths      = makeAs('M'); var asYears       = makeAs('y');

function get__get (units) { units = normalizeUnits(units); return this[units + 's']; }

function makeGetter(name) { return function { return this._data[name]; };     }

var get__milliseconds = makeGetter('milliseconds'); var seconds     = makeGetter('seconds'); var minutes     = makeGetter('minutes'); var hours       = makeGetter('hours'); var days        = makeGetter('days'); var months      = makeGetter('months'); var years       = makeGetter('years');

function weeks { return absFloor(this.days / 7); }

var round = Math.round; var thresholds = { s: 45, // seconds to minute m: 45, // minutes to hour h: 22, // hours to day d: 26, // days to month M: 11  // months to year };

// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); }

function humanize__relativeTime (posNegDuration, withoutSuffix, locale) { var duration = create__createDuration(posNegDuration).abs; var seconds = round(duration.as('s')); var minutes = round(duration.as('m')); var hours   = round(duration.as('h')); var days    = round(duration.as('d')); var months  = round(duration.as('M')); var years   = round(duration.as('y'));

var a = seconds < thresholds.s && ['s', seconds] || minutes === 1         && ['m']           || minutes < thresholds.m && ['mm', minutes] || hours  === 1          && ['h']           || hours  < thresholds.h && ['hh', hours]   || days   === 1          && ['d']           || days   < thresholds.d && ['dd', days]    || months === 1          && ['M']           || months < thresholds.M && ['MM', months]  || years  === 1          && ['y']           || ['yy', years];

a[2] = withoutSuffix; a[3] = +posNegDuration > 0; a[4] = locale; return substituteTimeAgo.apply(null, a); }

// This function allows you to set a threshold for relative time strings function humanize__getSetRelativeTimeThreshold (threshold, limit) { if (thresholds[threshold] === undefined) { return false; }         if (limit === undefined) { return thresholds[threshold]; }         thresholds[threshold] = limit; return true; }

function humanize (withSuffix) { var locale = this.localeData; var output = humanize__relativeTime(this, !withSuffix, locale);

if (withSuffix) { output = locale.pastFuture(+this, output); }

return locale.postformat(output); }

var iso_string__abs = Math.abs;

function iso_string__toISOString { // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js         var Y = iso_string__abs(this.years); var M = iso_string__abs(this.months); var D = iso_string__abs(this.days); var h = iso_string__abs(this.hours); var m = iso_string__abs(this.minutes); var s = iso_string__abs(this.seconds + this.milliseconds / 1000); var total = this.asSeconds;

if (!total) { // this is the same as C#'s (Noda) and python (isodate)... // but not other JS (goog.date) return 'P0D'; }

return (total < 0 ? '-' : '') + 'P' + (Y ? Y + 'Y' : '') + (M ? M + 'M' : '') + (D ? D + 'D' : '') + ((h || m || s) ? 'T' : '') + (h ? h + 'H' : '') + (m ? m + 'M' : '') + (s ? s + 'S' : ''); }

var duration_prototype__proto = Duration.prototype;

duration_prototype__proto.abs           = abs__abs; duration_prototype__proto.add           = duration_add_subtract__add; duration_prototype__proto.subtract      = duration_add_subtract__subtract; duration_prototype__proto.as            = as; duration_prototype__proto.asMilliseconds = asMilliseconds; duration_prototype__proto.asSeconds     = asSeconds; duration_prototype__proto.asMinutes     = asMinutes; duration_prototype__proto.asHours       = asHours; duration_prototype__proto.asDays        = asDays; duration_prototype__proto.asWeeks       = asWeeks; duration_prototype__proto.asMonths      = asMonths; duration_prototype__proto.asYears       = asYears; duration_prototype__proto.valueOf       = as__valueOf; duration_prototype__proto._bubble       = bubble; duration_prototype__proto.get           = get__get; duration_prototype__proto.milliseconds  = get__milliseconds; duration_prototype__proto.seconds       = seconds; duration_prototype__proto.minutes       = minutes; duration_prototype__proto.hours         = hours; duration_prototype__proto.days          = days; duration_prototype__proto.weeks         = weeks; duration_prototype__proto.months        = months; duration_prototype__proto.years         = years; duration_prototype__proto.humanize      = humanize; duration_prototype__proto.toISOString   = iso_string__toISOString; duration_prototype__proto.toString      = iso_string__toISOString; duration_prototype__proto.toJSON        = iso_string__toISOString; duration_prototype__proto.locale        = locale; duration_prototype__proto.localeData    = localeData;

// Deprecations duration_prototype__proto.toIsoString = deprecate('toIsoString is deprecated. Please use toISOString instead (notice the capitals)', iso_string__toISOString); duration_prototype__proto.lang = lang;

// Side effect imports

addFormatToken('X', 0, 0, 'unix'); addFormatToken('x', 0, 0, 'valueOf');

// PARSING

addRegexToken('x', matchSigned); addRegexToken('X', matchTimestamp); addParseToken('X', function (input, array, config) {         config._d = new Date(parseFloat(input, 10) * 1000);      }); addParseToken('x', function (input, array, config) {         config._d = new Date(toInt(input));      });

// Side effect imports

hooks__hooks.version = '2.10.0';

setHookCallback(local__createLocal);

hooks__hooks.fn                   = momentPrototype; hooks__hooks.min                  = min; hooks__hooks.max                  = max; hooks__hooks.utc                  = utc__createUTC; hooks__hooks.unix                 = moment__createUnix; hooks__hooks.months               = lists__listMonths; hooks__hooks.isDate               = isDate; hooks__hooks.locale               = locales__getSetGlobalLocale; hooks__hooks.invalid              = valid__createInvalid; hooks__hooks.duration             = create__createDuration; hooks__hooks.isMoment             = isMoment; hooks__hooks.weekdays             = lists__listWeekdays; hooks__hooks.parseZone            = moment__createInZone; hooks__hooks.localeData           = locales__getLocale; hooks__hooks.isDuration           = isDuration; hooks__hooks.monthsShort          = lists__listMonthsShort; hooks__hooks.weekdaysMin          = lists__listWeekdaysMin; hooks__hooks.defineLocale         = defineLocale; hooks__hooks.weekdaysShort        = lists__listWeekdaysShort; hooks__hooks.normalizeUnits       = normalizeUnits; hooks__hooks.relativeTimeThreshold = humanize__getSetRelativeTimeThreshold;

var _moment = hooks__hooks;

return _moment;

})); /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(71)(module)))

/***/ }, /* 59 */ /***/ function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v1.1.3 - 2014-05-20 * http://eightmedia.github.io/hammer.js  * * Copyright (c) 2014 Jorik Tangelder ; * Licensed under the MIT license */

(function(window, undefined) {   'use strict';

/**  * @main * @module hammer *  * @class Hammer * @static */

/**  * Hammer, use this to create instances * ````  * var hammertime = new Hammer(myElement); * ````  *   * @method Hammer * @param {HTMLElement} element * @param {Object} [options={}] * @return {Hammer.Instance} */ var Hammer = function Hammer(element, options) { return new Hammer.Instance(element, options || {}); };

/**  * version, as defined in package.json * the value will be set at each build * @property VERSION * @final * @type {String} */ Hammer.VERSION = '1.1.3';

/**  * default settings. * more settings are defined per gesture at `/gestures`. Each gesture can be disabled/enabled * by setting it's name (like `swipe`) to false. * You can set the defaults for all instances by changing this object before creating an instance. * @example * ````  *  Hammer.defaults.drag = false; * Hammer.defaults.behavior.touchAction = 'pan-y'; * delete Hammer.defaults.behavior.userSelect; * ````  * @property defaults * @type {Object} */ Hammer.defaults = { /**      * this setting object adds styles and attributes to the element to prevent the browser from doing * its native behavior. The css properties are auto prefixed for the browsers when needed. * @property defaults.behavior * @type {Object} */     behavior: { /**          * Disables text selection to improve the dragging gesture. When the value is `none` it also sets * `onselectstart=false` for IE on the element. Mainly for desktop browsers. * @property defaults.behavior.userSelect * @type {String} * @default 'none' */         userSelect: 'none',

/**          * Specifies whether and how a given region can be manipulated by the user (for instance, by panning or zooming). * Used by Chrome 35> and IE10>. By default this makes the element blocking any touch event. * @property defaults.behavior.touchAction * @type {String} * @default: 'pan-y' */         touchAction: 'pan-y',

/**          * Disables the default callout shown when you touch and hold a touch target. * On iOS, when you touch and hold a touch target such as a link, Safari displays * a callout containing information about the link. This property allows you to disable that callout. * @property defaults.behavior.touchCallout * @type {String} * @default 'none' */         touchCallout: 'none',

/**          * Specifies whether zooming is enabled. Used by IE10> * @property defaults.behavior.contentZooming * @type {String} * @default 'none' */         contentZooming: 'none',

/**          * Specifies that an entire element should be draggable instead of its contents. * Mainly for desktop browsers. * @property defaults.behavior.userDrag * @type {String} * @default 'none' */         userDrag: 'none',

/**          * Overrides the highlight color shown when the user taps a link or a JavaScript * clickable element in Safari on iPhone. This property obeys the alpha value, if specified. *          * If you don't specify an alpha value, Safari on iPhone applies a default alpha value * to the color. To disable tap highlighting, set the alpha value to 0 (invisible). * If you set the alpha value to 1.0 (opaque), the element is not visible when tapped. * @property defaults.behavior.tapHighlightColor * @type {String} * @default 'rgba(0,0,0,0)' */         tapHighlightColor: 'rgba(0,0,0,0)' } };

/**  * hammer document where the base events are added at   * @property DOCUMENT * @type {HTMLElement} * @default window.document */ Hammer.DOCUMENT = document;

/**  * detect support for pointer events * @property HAS_POINTEREVENTS * @type {Boolean} */ Hammer.HAS_POINTEREVENTS = navigator.pointerEnabled || navigator.msPointerEnabled;

/**  * detect support for touch events * @property HAS_TOUCHEVENTS * @type {Boolean} */ Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window);

/**  * detect mobile browsers * @property IS_MOBILE * @type {Boolean} */ Hammer.IS_MOBILE = /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent);

/**  * detect if we want to support mouseevents at all * @property NO_MOUSEEVENTS * @type {Boolean} */ Hammer.NO_MOUSEEVENTS = (Hammer.HAS_TOUCHEVENTS && Hammer.IS_MOBILE) || Hammer.HAS_POINTEREVENTS;

/**  * interval in which Hammer recalculates current velocity/direction/angle in ms   * @property CALCULATE_INTERVAL * @type {Number} * @default 25 */ Hammer.CALCULATE_INTERVAL = 25;

/**  * eventtypes per touchevent (start, move, end) are filled by `Event.determineEventTypes` on `setup` * the object contains the DOM event names per type (`EVENT_START`, `EVENT_MOVE`, `EVENT_END`) * @property EVENT_TYPES * @private * @writeOnce * @type {Object} */ var EVENT_TYPES = {};

/**  * direction strings, for safe comparisons * @property DIRECTION_DOWN|LEFT|UP|RIGHT * @final * @type {String} * @default 'down' 'left' 'up' 'right' */ var DIRECTION_DOWN = Hammer.DIRECTION_DOWN = 'down'; var DIRECTION_LEFT = Hammer.DIRECTION_LEFT = 'left'; var DIRECTION_UP = Hammer.DIRECTION_UP = 'up'; var DIRECTION_RIGHT = Hammer.DIRECTION_RIGHT = 'right';

/**  * pointertype strings, for safe comparisons * @property POINTER_MOUSE|TOUCH|PEN * @final * @type {String} * @default 'mouse' 'touch' 'pen' */ var POINTER_MOUSE = Hammer.POINTER_MOUSE = 'mouse'; var POINTER_TOUCH = Hammer.POINTER_TOUCH = 'touch'; var POINTER_PEN = Hammer.POINTER_PEN = 'pen';

/**  * eventtypes * @property EVENT_START|MOVE|END|RELEASE|TOUCH * @final * @type {String} * @default 'start' 'change' 'move' 'end' 'release' 'touch' */ var EVENT_START = Hammer.EVENT_START = 'start'; var EVENT_MOVE = Hammer.EVENT_MOVE = 'move'; var EVENT_END = Hammer.EVENT_END = 'end'; var EVENT_RELEASE = Hammer.EVENT_RELEASE = 'release'; var EVENT_TOUCH = Hammer.EVENT_TOUCH = 'touch';

/**  * if the window events are set... * @property READY * @writeOnce * @type {Boolean} * @default false */ Hammer.READY = false;

/**  * plugins namespace * @property plugins * @type {Object} */ Hammer.plugins = Hammer.plugins || {};

/**  * gestures namespace * see `/gestures` for the definitions * @property gestures * @type {Object} */ Hammer.gestures = Hammer.gestures || {};

/**  * setup events to detect gestures on the document * this function is called when creating an new instance * @private */ function setup { if(Hammer.READY) { return; }

// find what eventtypes we add listeners to     Event.determineEventTypes;

// Register all gestures inside Hammer.gestures Utils.each(Hammer.gestures, function(gesture) {         Detection.register(gesture);      });

// Add touch events on the document Event.onTouch(Hammer.DOCUMENT, EVENT_MOVE, Detection.detect); Event.onTouch(Hammer.DOCUMENT, EVENT_END, Detection.detect);

// Hammer is ready...! Hammer.READY = true; }

/**  * @module hammer *  * @class Utils * @static */ var Utils = Hammer.utils = { /**      * extend method, could also be used for cloning when `dest` is an empty object. * changes the dest object * @method extend * @param {Object} dest * @param {Object} src * @param {Boolean} [merge=false] do a merge * @return {Object} dest */     extend: function extend(dest, src, merge) { for(var key in src) { if(!src.hasOwnProperty(key) || (dest[key] !== undefined && merge)) { continue; }             dest[key] = src[key]; }         return dest; },

/**      * simple addEventListener wrapper * @method on      * @param {HTMLElement} element * @param {String} type * @param {Function} handler */     on: function on(element, type, handler) { element.addEventListener(type, handler, false); },

/**      * simple removeEventListener wrapper * @method off * @param {HTMLElement} element * @param {String} type * @param {Function} handler */     off: function off(element, type, handler) { element.removeEventListener(type, handler, false); },

/**      * forEach over arrays and objects * @method each * @param {Object|Array} obj * @param {Function} iterator * @param {any} iterator.item * @param {Number} iterator.index * @param {Object|Array} iterator.obj the source object * @param {Object} context value to use as `this` in the iterator */     each: function each(obj, iterator, context) { var i, len;

// native forEach on arrays if('forEach' in obj) { obj.forEach(iterator, context); // arrays } else if(obj.length !== undefined) { for(i = 0, len = obj.length; i < len; i++) { if(iterator.call(context, obj[i], i, obj) === false) { return; }             }          // objects } else { for(i in obj) { if(obj.hasOwnProperty(i) &&                     iterator.call(context, obj[i], i, obj) === false) { return; }             }          }      },

/**      * find if a string contains the string using indexOf * @method inStr * @param {String} src * @param {String} find * @return {Boolean} found */     inStr: function inStr(src, find) { return src.indexOf(find) > -1; },

/**      * find if a array contains the object using indexOf or a simple polyfill * @method inArray * @param {String} src * @param {String} find * @return {Boolean|Number} false when not found, or the index */     inArray: function inArray(src, find) { if(src.indexOf) { var index = src.indexOf(find); return (index === -1) ? false : index; } else { for(var i = 0, len = src.length; i < len; i++) { if(src[i] === find) { return i;                 } }             return false; }     },

/**      * convert an array-like object (`arguments`, `touchlist`) to an array * @method toArray * @param {Object} obj * @return {Array} */     toArray: function toArray(obj) { return Array.prototype.slice.call(obj, 0); },

/**      * find if a node is in the given parent * @method hasParent * @param {HTMLElement} node * @param {HTMLElement} parent * @return {Boolean} found */     hasParent: function hasParent(node, parent) { while(node) { if(node == parent) { return true; }             node = node.parentNode; }         return false; },

/**      * get the center of all the touches * @method getCenter * @param {Array} touches * @return {Object} center contains `pageX`, `pageY`, `clientX` and `clientY` properties */     getCenter: function getCenter(touches) { var pageX = [], pageY = [], clientX = [], clientY = [], min = Math.min, max = Math.max;

// no need to loop when only one touch if(touches.length === 1) { return { pageX: touches[0].pageX, pageY: touches[0].pageY, clientX: touches[0].clientX, clientY: touches[0].clientY };         }

Utils.each(touches, function(touch) {             pageX.push(touch.pageX);              pageY.push(touch.pageY);              clientX.push(touch.clientX);              clientY.push(touch.clientY);          });

return { pageX: (min.apply(Math, pageX) + max.apply(Math, pageX)) / 2, pageY: (min.apply(Math, pageY) + max.apply(Math, pageY)) / 2, clientX: (min.apply(Math, clientX) + max.apply(Math, clientX)) / 2, clientY: (min.apply(Math, clientY) + max.apply(Math, clientY)) / 2 };     },

/**      * calculate the velocity between two points. unit is in px per ms.      * @method getVelocity * @param {Number} deltaTime * @param {Number} deltaX * @param {Number} deltaY * @return {Object} velocity `x` and `y` */     getVelocity: function getVelocity(deltaTime, deltaX, deltaY) { return { x: Math.abs(deltaX / deltaTime) || 0, y: Math.abs(deltaY / deltaTime) || 0 };     },

/**      * calculate the angle between two coordinates * @method getAngle * @param {Touch} touch1 * @param {Touch} touch2 * @return {Number} angle */     getAngle: function getAngle(touch1, touch2) { var x = touch2.clientX - touch1.clientX, y = touch2.clientY - touch1.clientY;

return Math.atan2(y, x) * 180 / Math.PI; },

/**      * do a small comparision to get the direction between two touches. * @method getDirection * @param {Touch} touch1 * @param {Touch} touch2 * @return {String} direction matches `DIRECTION_LEFT|RIGHT|UP|DOWN` */     getDirection: function getDirection(touch1, touch2) { var x = Math.abs(touch1.clientX - touch2.clientX), y = Math.abs(touch1.clientY - touch2.clientY);

if(x >= y) { return touch1.clientX - touch2.clientX > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT; }         return touch1.clientY - touch2.clientY > 0 ? DIRECTION_UP : DIRECTION_DOWN; },

/**      * calculate the distance between two touches * @method getDistance * @param {Touch}touch1 * @param {Touch} touch2 * @return {Number} distance */     getDistance: function getDistance(touch1, touch2) { var x = touch2.clientX - touch1.clientX, y = touch2.clientY - touch1.clientY;

return Math.sqrt((x * x) + (y * y)); },

/**      * calculate the scale factor between two touchLists * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out * @method getScale * @param {Array} start array of touches * @param {Array} end array of touches * @return {Number} scale */     getScale: function getScale(start, end) { // need two fingers... if(start.length >= 2 && end.length >= 2) { return this.getDistance(end[0], end[1]) / this.getDistance(start[0], start[1]); }         return 1; },

/**      * calculate the rotation degrees between two touchLists * @method getRotation * @param {Array} start array of touches * @param {Array} end array of touches * @return {Number} rotation */     getRotation: function getRotation(start, end) { // need two fingers if(start.length >= 2 && end.length >= 2) { return this.getAngle(end[1], end[0]) - this.getAngle(start[1], start[0]); }         return 0; },

/**      * find out if the direction is vertical   * * @method isVertical * @param {String} direction matches `DIRECTION_UP|DOWN` * @return {Boolean} is_vertical */     isVertical: function isVertical(direction) { return direction == DIRECTION_UP || direction == DIRECTION_DOWN; },

/**      * set css properties with their prefixes * @param {HTMLElement} element * @param {String} prop * @param {String} value * @param {Boolean} [toggle=true] * @return {Boolean} */     setPrefixedCss: function setPrefixedCss(element, prop, value, toggle) { var prefixes = ['', 'Webkit', 'Moz', 'O', 'ms']; prop = Utils.toCamelCase(prop);

for(var i = 0; i < prefixes.length; i++) { var p = prop; // prefixes if(prefixes[i]) { p = prefixes[i] + p.slice(0, 1).toUpperCase + p.slice(1); }

// test the style if(p in element.style) { element.style[p] = (toggle == null || toggle) && value || ''; break; }         }      },

/**      * toggle browser default behavior by setting css properties. * `userSelect='none'` also sets `element.onselectstart` to false * `userDrag='none'` also sets `element.ondragstart` to false *      * @method toggleBehavior * @param {HtmlElement} element * @param {Object} props * @param {Boolean} [toggle=true] */     toggleBehavior: function toggleBehavior(element, props, toggle) { if(!props || !element || !element.style) { return; }

// set the css properties Utils.each(props, function(value, prop) {             Utils.setPrefixedCss(element, prop, value, toggle);          });

var falseFn = toggle && function { return false; };

// also the disable onselectstart if(props.userSelect == 'none') { element.onselectstart = falseFn; }         // and disable ondragstart if(props.userDrag == 'none') { element.ondragstart = falseFn; }     },

/**      * convert a string with underscores to camelCase * so prevent_default becomes preventDefault * @param {String} str * @return {String} camelCaseStr */     toCamelCase: function toCamelCase(str) { return str.replace(/[_-]([a-z])/g, function(s) {             return s[1].toUpperCase;          }); } };

/**  * @module hammer */ /**   * @class Event * @static */ var Event = Hammer.event = { /**      * when touch events have been fired, this is true * this is used to stop mouse events * @property prevent_mouseevents * @private * @type {Boolean} */     preventMouseEvents: false,

/**      * if EVENT_START has been fired * @property started * @private * @type {Boolean} */     started: false,

/**      * when the mouse is hold down, this is true * @property should_detect * @private * @type {Boolean} */     shouldDetect: false,

/**      * simple event binder with a hook and support for multiple types * @method on      * @param {HTMLElement} element * @param {String} type * @param {Function} handler * @param {Function} [hook] * @param {Object} hook.type */     on: function on(element, type, handler, hook) { var types = type.split(' '); Utils.each(types, function(type) {             Utils.on(element, type, handler);              hook && hook(type);          }); },

/**      * simple event unbinder with a hook and support for multiple types * @method off * @param {HTMLElement} element * @param {String} type * @param {Function} handler * @param {Function} [hook] * @param {Object} hook.type */     off: function off(element, type, handler, hook) { var types = type.split(' '); Utils.each(types, function(type) {             Utils.off(element, type, handler);              hook && hook(type);          }); },

/**      * the core touch event handler. * this finds out if we should to detect gestures * @method onTouch * @param {HTMLElement} element * @param {String} eventType matches `EVENT_START|MOVE|END` * @param {Function} handler * @return onTouchHandler {Function} the core event handler */     onTouch: function onTouch(element, eventType, handler) { var self = this;

var onTouchHandler = function onTouchHandler(ev) { var srcType = ev.type.toLowerCase, isPointer = Hammer.HAS_POINTEREVENTS, isMouse = Utils.inStr(srcType, 'mouse'), triggerType;

// if we are in a mouseevent, but there has been a touchevent triggered in this session // we want to do nothing. simply break out of the event. if(isMouse && self.preventMouseEvents) { return;

// mousebutton must be down } else if(isMouse && eventType == EVENT_START && ev.button === 0) { self.preventMouseEvents = false; self.shouldDetect = true; } else if(isPointer && eventType == EVENT_START) { self.shouldDetect = (ev.buttons === 1 || PointerEvent.matchType(POINTER_TOUCH, ev)); // just a valid start event, but no mouse } else if(!isMouse && eventType == EVENT_START) { self.preventMouseEvents = true; self.shouldDetect = true; }

// update the pointer event before entering the detection if(isPointer && eventType != EVENT_END) { PointerEvent.updatePointer(eventType, ev); }

// we are in a touch/down state, so allowed detection of gestures if(self.shouldDetect) { triggerType = self.doDetect.call(self, ev, eventType, element, handler); }

// ...and we are done with the detection // so reset everything to start each detection totally fresh if(triggerType == EVENT_END) { self.preventMouseEvents = false; self.shouldDetect = false; PointerEvent.reset; // update the pointerevent object after the detection }

if(isPointer && eventType == EVENT_END) { PointerEvent.updatePointer(eventType, ev); }         };

this.on(element, EVENT_TYPES[eventType], onTouchHandler); return onTouchHandler; },

/**      * the core detection method * this finds out what hammer-touch-events to trigger * @method doDetect * @param {Object} ev      * @param {String} eventType matches `EVENT_START|MOVE|END` * @param {HTMLElement} element * @param {Function} handler * @return {String} triggerType matches `EVENT_START|MOVE|END` */     doDetect: function doDetect(ev, eventType, element, handler) { var touchList = this.getTouchList(ev, eventType); var touchListLength = touchList.length; var triggerType = eventType; var triggerChange = touchList.trigger; // used by fakeMultitouch plugin var changedLength = touchListLength;

// at each touchstart-like event we want also want to trigger a TOUCH event... if(eventType == EVENT_START) { triggerChange = EVENT_TOUCH; // ...the same for a touchend-like event } else if(eventType == EVENT_END) { triggerChange = EVENT_RELEASE;

// keep track of how many touches have been removed changedLength = touchList.length - ((ev.changedTouches) ? ev.changedTouches.length : 1); }

// after there are still touches on the screen, // we just want to trigger a MOVE event. so change the START or END to a MOVE // but only after detection has been started, the first time we actualy want a START if(changedLength > 0 && this.started) { triggerType = EVENT_MOVE; }

// detection has been started, we keep track of this, see above this.started = true;

// generate some event data, some basic information var evData = this.collectEventData(element, triggerType, touchList, ev);

// trigger the triggerType event before the change (TOUCH, RELEASE) events // but the END event should be at last if(eventType != EVENT_END) { handler.call(Detection, evData); }

// trigger a change (TOUCH, RELEASE) event, this means the length of the touches changed if(triggerChange) { evData.changedLength = changedLength; evData.eventType = triggerChange;

handler.call(Detection, evData);

evData.eventType = triggerType; delete evData.changedLength; }

// trigger the END event if(triggerType == EVENT_END) { handler.call(Detection, evData);

// ...and we are done with the detection // so reset everything to start each detection totally fresh this.started = false; }

return triggerType; },

/**      * we have different events for each device/browser * determine what we need and set them in the EVENT_TYPES constant * the `onTouch` method is bind to these properties. * @method determineEventTypes * @return {Object} events */     determineEventTypes: function determineEventTypes { var types; if(Hammer.HAS_POINTEREVENTS) { if(window.PointerEvent) { types = [ 'pointerdown', 'pointermove', 'pointerup pointercancel lostpointercapture' ];             } else { types = [ 'MSPointerDown', 'MSPointerMove', 'MSPointerUp MSPointerCancel MSLostPointerCapture' ];             }          } else if(Hammer.NO_MOUSEEVENTS) { types = [ 'touchstart', 'touchmove', 'touchend touchcancel' ];         } else { types = [ 'touchstart mousedown', 'touchmove mousemove', 'touchend touchcancel mouseup' ];         }

EVENT_TYPES[EVENT_START] = types[0]; EVENT_TYPES[EVENT_MOVE] = types[1]; EVENT_TYPES[EVENT_END] = types[2]; return EVENT_TYPES; },

/**      * create touchList depending on the event * @method getTouchList * @param {Object} ev      * @param {String} eventType * @return {Array} touches */     getTouchList: function getTouchList(ev, eventType) { // get the fake pointerEvent touchlist if(Hammer.HAS_POINTEREVENTS) { return PointerEvent.getTouchList; }

// get the touchlist if(ev.touches) { if(eventType == EVENT_MOVE) { return ev.touches; }

var identifiers = []; var concat = [].concat(Utils.toArray(ev.touches), Utils.toArray(ev.changedTouches)); var touchList = [];

Utils.each(concat, function(touch) {                 if(Utils.inArray(identifiers, touch.identifier) === false) {                      touchList.push(touch);                  }                  identifiers.push(touch.identifier);              });

return touchList; }

// make fake touchList from mouse position ev.identifier = 1; return [ev]; },

/**      * collect basic event data * @method collectEventData * @param {HTMLElement} element * @param {String} eventType matches `EVENT_START|MOVE|END` * @param {Array} touches * @param {Object} ev      * @return {Object} ev       */ collectEventData: function collectEventData(element, eventType, touches, ev) { // find out pointerType var pointerType = POINTER_TOUCH; if(Utils.inStr(ev.type, 'mouse') || PointerEvent.matchType(POINTER_MOUSE, ev)) { pointerType = POINTER_MOUSE; } else if(PointerEvent.matchType(POINTER_PEN, ev)) { pointerType = POINTER_PEN; }

return { center: Utils.getCenter(touches), timeStamp: Date.now, target: ev.target, touches: touches, eventType: eventType, pointerType: pointerType, srcEvent: ev,

/**              * prevent the browser default actions * mostly used to disable scrolling of the browser */             preventDefault: function { var srcEvent = this.srcEvent; srcEvent.preventManipulation && srcEvent.preventManipulation; srcEvent.preventDefault && srcEvent.preventDefault; },

/**              * stop bubbling the event up to its parents */             stopPropagation: function { this.srcEvent.stopPropagation; },

/**              * immediately stop gesture detection * might be useful after a swipe was detected * @return {*} */             stopDetect: function { return Detection.stopDetect; }         };      }  };

/**  * @module hammer *  * @class PointerEvent * @static */ var PointerEvent = Hammer.PointerEvent = { /**      * holds all pointers, by `identifier` * @property pointers * @type {Object} */     pointers: {},

/**      * get the pointers as an array * @method getTouchList * @return {Array} touchlist */     getTouchList: function getTouchList { var touchlist = []; // we can use forEach since pointerEvents only is in IE10 Utils.each(this.pointers, function(pointer) {             touchlist.push(pointer);          }); return touchlist; },

/**      * update the position of a pointer * @method updatePointer * @param {String} eventType matches `EVENT_START|MOVE|END` * @param {Object} pointerEvent */     updatePointer: function updatePointer(eventType, pointerEvent) { if(eventType == EVENT_END || (eventType != EVENT_END && pointerEvent.buttons !== 1)) { delete this.pointers[pointerEvent.pointerId]; } else { pointerEvent.identifier = pointerEvent.pointerId; this.pointers[pointerEvent.pointerId] = pointerEvent; }     },

/**      * check if ev matches pointertype * @method matchType * @param {String} pointerType matches `POINTER_MOUSE|TOUCH|PEN` * @param {PointerEvent} ev      */ matchType: function matchType(pointerType, ev) { if(!ev.pointerType) { return false; }

var pt = ev.pointerType, types = {};

types[POINTER_MOUSE] = (pt === (ev.MSPOINTER_TYPE_MOUSE || POINTER_MOUSE)); types[POINTER_TOUCH] = (pt === (ev.MSPOINTER_TYPE_TOUCH || POINTER_TOUCH)); types[POINTER_PEN] = (pt === (ev.MSPOINTER_TYPE_PEN || POINTER_PEN)); return types[pointerType]; },

/**      * reset the stored pointers * @method reset */     reset: function resetList { this.pointers = {}; } };

/**  * @module hammer *  * @class Detection * @static */ var Detection = Hammer.detection = { // contains all registred Hammer.gestures in the correct order gestures: [],

// data of the current Hammer.gesture detection session current: null,

// the previous Hammer.gesture session data // is a full clone of the previous gesture.current object previous: null,

// when this becomes true, no gestures are fired stopped: false,

/**      * start Hammer.gesture detection * @method startDetect * @param {Hammer.Instance} inst * @param {Object} eventData */     startDetect: function startDetect(inst, eventData) { // already busy with a Hammer.gesture detection on an element if(this.current) { return; }

this.stopped = false;

// holds current session this.current = { inst: inst, // reference to HammerInstance we're working for startEvent: Utils.extend({}, eventData), // start eventData for distances, timing etc lastEvent: false, // last eventData lastCalcEvent: false, // last eventData for calculations. futureCalcEvent: false, // last eventData for calculations. lastCalcData: {}, // last lastCalcData name: '' // current gesture we're in/detected, can be 'tap', 'hold' etc };

this.detect(eventData); },

/**      * Hammer.gesture detection * @method detect * @param {Object} eventData * @return {any} */     detect: function detect(eventData) { if(!this.current || this.stopped) { return; }

// extend event data with calculations about scale, distance etc eventData = this.extendEventData(eventData);

// hammer instance and instance options var inst = this.current.inst, instOptions = inst.options;

// call Hammer.gesture handlers Utils.each(this.gestures, function triggerGesture(gesture) {             // only when the instance options have enabled this gesture              if(!this.stopped && inst.enabled && instOptions[gesture.name]) {                  gesture.handler.call(gesture, eventData, inst);              }          }, this);

// store as previous event event if(this.current) { this.current.lastEvent = eventData; }

if(eventData.eventType == EVENT_END) { this.stopDetect; }

return eventData; },

/**      * clear the Hammer.gesture vars * this is called on endDetect, but can also be used when a final Hammer.gesture has been detected * to stop other Hammer.gestures from being fired * @method stopDetect */     stopDetect: function stopDetect { // clone current data to the store as the previous gesture // used for the double tap gesture, since this is an other gesture detect session this.previous = Utils.extend({}, this.current);

// reset the current this.current = null; this.stopped = true; },

/**      * calculate velocity, angle and direction * @method getVelocityData * @param {Object} ev      * @param {Object} center * @param {Number} deltaTime * @param {Number} deltaX * @param {Number} deltaY */     getCalculatedData: function getCalculatedData(ev, center, deltaTime, deltaX, deltaY) { var cur = this.current, recalc = false, calcEv = cur.lastCalcEvent, calcData = cur.lastCalcData;

if(calcEv && ev.timeStamp - calcEv.timeStamp > Hammer.CALCULATE_INTERVAL) { center = calcEv.center; deltaTime = ev.timeStamp - calcEv.timeStamp; deltaX = ev.center.clientX - calcEv.center.clientX; deltaY = ev.center.clientY - calcEv.center.clientY; recalc = true; }

if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { cur.futureCalcEvent = ev; }

if(!cur.lastCalcEvent || recalc) { calcData.velocity = Utils.getVelocity(deltaTime, deltaX, deltaY); calcData.angle = Utils.getAngle(center, ev.center); calcData.direction = Utils.getDirection(center, ev.center);

cur.lastCalcEvent = cur.futureCalcEvent || ev; cur.futureCalcEvent = ev; }

ev.velocityX = calcData.velocity.x;         ev.velocityY = calcData.velocity.y;          ev.interimAngle = calcData.angle; ev.interimDirection = calcData.direction; },

/**      * extend eventData for Hammer.gestures * @method extendEventData * @param {Object} ev      * @return {Object} ev       */ extendEventData: function extendEventData(ev) { var cur = this.current, startEv = cur.startEvent, lastEv = cur.lastEvent || startEv;

// update the start touchlist to calculate the scale/rotation if(ev.eventType == EVENT_TOUCH || ev.eventType == EVENT_RELEASE) { startEv.touches = []; Utils.each(ev.touches, function(touch) {                 startEv.touches.push({ clientX: touch.clientX, clientY: touch.clientY });             });          }

var deltaTime = ev.timeStamp - startEv.timeStamp, deltaX = ev.center.clientX - startEv.center.clientX, deltaY = ev.center.clientY - startEv.center.clientY;

this.getCalculatedData(ev, lastEv.center, deltaTime, deltaX, deltaY);

Utils.extend(ev, {             startEvent: startEv,

deltaTime: deltaTime, deltaX: deltaX, deltaY: deltaY,

distance: Utils.getDistance(startEv.center, ev.center), angle: Utils.getAngle(startEv.center, ev.center), direction: Utils.getDirection(startEv.center, ev.center), scale: Utils.getScale(startEv.touches, ev.touches), rotation: Utils.getRotation(startEv.touches, ev.touches) });

return ev; },

/**      * register new gesture * @method register * @param {Object} gesture object, see `gestures/` for documentation * @return {Array} gestures */     register: function register(gesture) { // add an enable gesture options if there is no given var options = gesture.defaults || {}; if(options[gesture.name] === undefined) { options[gesture.name] = true; }

// extend Hammer default options with the Hammer.gesture options Utils.extend(Hammer.defaults, options, true);

// set its index gesture.index = gesture.index || 1000;

// add Hammer.gesture to the list this.gestures.push(gesture);

// sort the list by index this.gestures.sort(function(a, b) {             if(a.index < b.index) {                  return -1;              }              if(a.index > b.index) {                  return 1;              }              return 0;          });

return this.gestures; } };

/**  * @module hammer */

/**  * create new hammer instance * all methods should return the instance itself, so it is chainable. *  * @class Instance * @constructor * @param {HTMLElement} element * @param {Object} [options={}] options are merged with `Hammer.defaults` * @return {Hammer.Instance} */ Hammer.Instance = function(element, options) { var self = this;

// setup HammerJS window events and register all gestures // this also sets up the default options setup;

/**      * @property element * @type {HTMLElement} */     this.element = element;

/**      * @property enabled * @type {Boolean} * @protected */     this.enabled = true;

/**      * options, merged with the defaults * options with an _ are converted to camelCase * @property options * @type {Object} */     Utils.each(options, function(value, name) {          delete options[name];          options[Utils.toCamelCase(name)] = value;      });

this.options = Utils.extend(Utils.extend({}, Hammer.defaults), options || {});

// add some css to the element to prevent the browser from doing its native behavoir if(this.options.behavior) { Utils.toggleBehavior(this.element, this.options.behavior, true); }

/**      * event start handler on the element to start the detection * @property eventStartHandler * @type {Object} */     this.eventStartHandler = Event.onTouch(element, EVENT_START, function(ev) {          if(self.enabled && ev.eventType == EVENT_START) {              Detection.startDetect(self, ev);          } else if(ev.eventType == EVENT_TOUCH) {              Detection.detect(ev);          }      });

/**      * keep a list of user event handlers which needs to be removed when calling 'dispose' * @property eventHandlers * @type {Array} */     this.eventHandlers = []; };

Hammer.Instance.prototype = { /**      * bind events to the instance * @method on      * @chainable * @param {String} gestures multiple gestures by splitting with a space * @param {Function} handler * @param {Object} handler.ev event object */     on: function onEvent(gestures, handler) { var self = this; Event.on(self.element, gestures, handler, function(type) {             self.eventHandlers.push({ gesture: type, handler: handler });          }); return self; },

/**      * unbind events to the instance * @method off * @chainable * @param {String} gestures * @param {Function} handler */     off: function offEvent(gestures, handler) { var self = this;

Event.off(self.element, gestures, handler, function(type) {             var index = Utils.inArray({ gesture: type, handler: handler });              if(index !== false) {                  self.eventHandlers.splice(index, 1);              }          }); return self; },

/**      * trigger gesture event * @method trigger * @chainable * @param {String} gesture * @param {Object} [eventData] */     trigger: function triggerEvent(gesture, eventData) { // optional if(!eventData) { eventData = {}; }

// create DOM event var event = Hammer.DOCUMENT.createEvent('Event'); event.initEvent(gesture, true, true); event.gesture = eventData;

// trigger on the target if it is in the instance element, // this is for event delegation tricks var element = this.element; if(Utils.hasParent(eventData.target, element)) { element = eventData.target; }

element.dispatchEvent(event); return this; },

/**      * enable of disable hammer.js detection * @method enable * @chainable * @param {Boolean} state */     enable: function enable(state) { this.enabled = state; return this; },

/**      * dispose this hammer instance * @method dispose * @return {Null} */     dispose: function dispose { var i, eh;

// undo all changes made by stop_browser_behavior Utils.toggleBehavior(this.element, this.options.behavior, false);

// unbind all custom event handlers for(i = -1; (eh = this.eventHandlers[++i]);) { Utils.off(this.element, eh.gesture, eh.handler); }

this.eventHandlers = [];

// unbind the start event listener Event.off(this.element, EVENT_TYPES[EVENT_START], this.eventStartHandler);

return null; } };

/**  * @module gestures */ /**   * Move with x fingers (default 1) around on the page. * Preventing the default browser behavior is a good way to improve feel and working. * ````  *  hammertime.on("drag", function(ev) {   *    console.log(ev);   *    ev.gesture.preventDefault;   *  }); * ````  *   * @class Drag * @static */ /**   * @event drag * @param {Object} ev  */ /**  * @event dragstart * @param {Object} ev  */ /**  * @event dragend * @param {Object} ev  */ /**  * @event drapleft * @param {Object} ev  */ /**  * @event dragright * @param {Object} ev  */ /**  * @event dragup * @param {Object} ev  */ /**  * @event dragdown * @param {Object} ev  */

/**  * @param {String} name */ (function(name) {      var triggered = false;

function dragGesture(ev, inst) { var cur = Detection.current;

// max touches if(inst.options.dragMaxTouches > 0 &&             ev.touches.length > inst.options.dragMaxTouches) { return; }

switch(ev.eventType) { case EVENT_START: triggered = false; break;

case EVENT_MOVE: // when the distance we moved is too small we skip this gesture // or we can be already in dragging if(ev.distance < inst.options.dragMinDistance &&                     cur.name != name) { return; }

var startCenter = cur.startEvent.center;

// we are dragging! if(cur.name != name) { cur.name = name; if(inst.options.dragDistanceCorrection && ev.distance > 0) { // When a drag is triggered, set the event center to dragMinDistance pixels from the original event center. // Without this correction, the dragged distance would jumpstart at dragMinDistance pixels instead of at 0. // It might be useful to save the original start point somewhere var factor = Math.abs(inst.options.dragMinDistance / ev.distance); startCenter.pageX += ev.deltaX * factor; startCenter.pageY += ev.deltaY * factor; startCenter.clientX += ev.deltaX * factor; startCenter.clientY += ev.deltaY * factor;

// recalculate event data using new start point ev = Detection.extendEventData(ev); }                 }

// lock drag to axis? if(cur.lastEvent.dragLockToAxis ||                     ( inst.options.dragLockToAxis && inst.options.dragLockMinDistance <= ev.distance )) {                     ev.dragLockToAxis = true; }

// keep direction on the axis that the drag gesture started on                 var lastDirection = cur.lastEvent.direction; if(ev.dragLockToAxis && lastDirection !== ev.direction) { if(Utils.isVertical(lastDirection)) { ev.direction = (ev.deltaY < 0) ? DIRECTION_UP : DIRECTION_DOWN; } else { ev.direction = (ev.deltaX < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT; }                 }

// first time, trigger dragstart event if(!triggered) { inst.trigger(name + 'start', ev); triggered = true; }

// trigger events inst.trigger(name, ev); inst.trigger(name + ev.direction, ev);

var isVertical = Utils.isVertical(ev.direction);

// block the browser events if((inst.options.dragBlockVertical && isVertical) ||                     (inst.options.dragBlockHorizontal && !isVertical)) { ev.preventDefault; }                 break;

case EVENT_RELEASE: if(triggered && ev.changedLength <= inst.options.dragMaxTouches) { inst.trigger(name + 'end', ev); triggered = false; }                 break;

case EVENT_END: triggered = false; break; }     }

Hammer.gestures.Drag = { name: name, index: 50, handler: dragGesture, defaults: { /**              * minimal movement that have to be made before the drag event gets triggered * @property dragMinDistance * @type {Number} * @default 10 */             dragMinDistance: 10,

/**              * Set dragDistanceCorrection to true to make the starting point of the drag * be calculated from where the drag was triggered, not from where the touch started. * Useful to avoid a jerk-starting drag, which can make fine-adjustments * through dragging difficult, and be visually unappealing. * @property dragDistanceCorrection * @type {Boolean} * @default true */             dragDistanceCorrection: true,

/**              * set 0 for unlimited, but this can conflict with transform * @property dragMaxTouches * @type {Number} * @default 1 */             dragMaxTouches: 1,

/**              * prevent default browser behavior when dragging occurs * be careful with it, it makes the element a blocking element * when you are using the drag gesture, it is a good practice to set this true * @property dragBlockHorizontal * @type {Boolean} * @default false */             dragBlockHorizontal: false,

/**              * same as `dragBlockHorizontal`, but for vertical movement * @property dragBlockVertical * @type {Boolean} * @default false */             dragBlockVertical: false,

/**              * dragLockToAxis keeps the drag gesture on the axis that it started on, * It disallows vertical directions if the initial direction was horizontal, and vice versa. * @property dragLockToAxis * @type {Boolean} * @default false */             dragLockToAxis: false,

/**              * drag lock only kicks in when distance > dragLockMinDistance * This way, locking occurs only when the distance has become large enough to reliably determine the direction * @property dragLockMinDistance * @type {Number} * @default 25 */             dragLockMinDistance: 25 }     };  })('drag');

/**  * @module gestures */ /**   * trigger a simple gesture event, so you can do anything in your handler. * only usable if you know what your doing... *  * @class Gesture * @static */ /**   * @event gesture * @param {Object} ev  */ Hammer.gestures.Gesture = { name: 'gesture', index: 1337, handler: function releaseGesture(ev, inst) { inst.trigger(this.name, ev); } };

/**  * @module gestures */ /**   * Touch stays at the same place for x time *  * @class Hold * @static */ /**   * @event hold * @param {Object} ev  */

/**  * @param {String} name */ (function(name) {      var timer;

function holdGesture(ev, inst) { var options = inst.options, current = Detection.current;

switch(ev.eventType) { case EVENT_START: clearTimeout(timer);

// set the gesture so we can check in the timeout if it still is                 current.name = name;

// set timer and if after the timeout it still is hold, // we trigger the hold event timer = setTimeout(function {                     if(current && current.name == name) {                          inst.trigger(name, ev);                      }                  }, options.holdTimeout); break;

case EVENT_MOVE: if(ev.distance > options.holdThreshold) { clearTimeout(timer); }                 break;

case EVENT_RELEASE: clearTimeout(timer); break; }     }

Hammer.gestures.Hold = { name: name, index: 10, defaults: { /**              * @property holdTimeout * @type {Number} * @default 500 */             holdTimeout: 500,

/**              * movement allowed while holding * @property holdThreshold * @type {Number} * @default 2 */             holdThreshold: 2 },         handler: holdGesture }; })('hold');

/**  * @module gestures */ /**   * when a touch is being released from the page *  * @class Release * @static */ /**   * @event release * @param {Object} ev  */ Hammer.gestures.Release = { name: 'release', index: Infinity, handler: function releaseGesture(ev, inst) { if(ev.eventType == EVENT_RELEASE) { inst.trigger(this.name, ev); }     }  };

/**  * @module gestures */ /**   * triggers swipe events when the end velocity is above the threshold * for best usage, set `preventDefault` (on the drag gesture) to `true` * ````  *  hammertime.on("dragleft swipeleft", function(ev) {   *    console.log(ev);   *    ev.gesture.preventDefault;   *  }); * ````  *   * @class Swipe * @static */ /**   * @event swipe * @param {Object} ev  */ /**  * @event swipeleft * @param {Object} ev  */ /**  * @event swiperight * @param {Object} ev  */ /**  * @event swipeup * @param {Object} ev  */ /**  * @event swipedown * @param {Object} ev  */ Hammer.gestures.Swipe = { name: 'swipe', index: 40, defaults: { /**          * @property swipeMinTouches * @type {Number} * @default 1 */         swipeMinTouches: 1,

/**          * @property swipeMaxTouches * @type {Number} * @default 1 */         swipeMaxTouches: 1,

/**          * horizontal swipe velocity * @property swipeVelocityX * @type {Number} * @default 0.6 */         swipeVelocityX: 0.6,

/**          * vertical swipe velocity * @property swipeVelocityY * @type {Number} * @default 0.6 */         swipeVelocityY: 0.6 },

handler: function swipeGesture(ev, inst) { if(ev.eventType == EVENT_RELEASE) { var touches = ev.touches.length, options = inst.options;

// max touches if(touches < options.swipeMinTouches ||                 touches > options.swipeMaxTouches) { return; }

// when the distance we moved is too small we skip this gesture // or we can be already in dragging if(ev.velocityX > options.swipeVelocityX ||                 ev.velocityY > options.swipeVelocityY) { // trigger swipe events inst.trigger(this.name, ev); inst.trigger(this.name + ev.direction, ev); }         }      }  };

/**  * @module gestures */ /**   * Single tap and a double tap on a place *  * @class Tap * @static */ /**   * @event tap * @param {Object} ev  */ /**  * @event doubletap * @param {Object} ev  */

/**  * @param {String} name */ (function(name) {      var hasMoved = false;

function tapGesture(ev, inst) { var options = inst.options, current = Detection.current, prev = Detection.previous, sincePrev, didDoubleTap;

switch(ev.eventType) { case EVENT_START: hasMoved = false; break;

case EVENT_MOVE: hasMoved = hasMoved || (ev.distance > options.tapMaxDistance); break;

case EVENT_END: if(!Utils.inStr(ev.srcEvent.type, 'cancel') && ev.deltaTime < options.tapMaxTime && !hasMoved) { // previous gesture, for the double tap since these are two different gesture detections sincePrev = prev && prev.lastEvent && ev.timeStamp - prev.lastEvent.timeStamp; didDoubleTap = false;

// check if double tap if(prev && prev.name == name &&                         (sincePrev && sincePrev < options.doubleTapInterval) &&                          ev.distance < options.doubleTapDistance) { inst.trigger('doubletap', ev); didDoubleTap = true; }

// do a single tap if(!didDoubleTap || options.tapAlways) { current.name = name; inst.trigger(current.name, ev); }                 }                  break; }     }

Hammer.gestures.Tap = { name: name, index: 100, handler: tapGesture, defaults: { /**              * max time of a tap, this is for the slow tappers * @property tapMaxTime * @type {Number} * @default 250 */             tapMaxTime: 250,

/**              * max distance of movement of a tap, this is for the slow tappers * @property tapMaxDistance * @type {Number} * @default 10 */             tapMaxDistance: 10,

/**              * always trigger the `tap` event, even while double-tapping * @property tapAlways * @type {Boolean} * @default true */             tapAlways: true,

/**              * max distance between two taps * @property doubleTapDistance * @type {Number} * @default 20 */             doubleTapDistance: 20,

/**              * max time between two taps * @property doubleTapInterval * @type {Number} * @default 300 */             doubleTapInterval: 300 }     };  })('tap');

/**  * @module gestures */ /**   * when a touch is being touched at the page *  * @class Touch * @static */ /**   * @event touch * @param {Object} ev  */ Hammer.gestures.Touch = { name: 'touch', index: -Infinity, defaults: { /**          * call preventDefault at touchstart, and makes the element blocking by disabling the scrolling of the page, * but it improves gestures like transforming and dragging. * be careful with using this, it can be very annoying for users to be stuck on the page * @property preventDefault * @type {Boolean} * @default false */         preventDefault: false,

/**          * disable mouse events, so only touch (or pen!) input triggers events * @property preventMouse * @type {Boolean} * @default false */         preventMouse: false },     handler: function touchGesture(ev, inst) { if(inst.options.preventMouse && ev.pointerType == POINTER_MOUSE) { ev.stopDetect; return; }

if(inst.options.preventDefault) { ev.preventDefault; }

if(ev.eventType == EVENT_TOUCH) { inst.trigger('touch', ev); }     }  };

/**  * @module gestures */ /**   * User want to scale or rotate with 2 fingers * Preventing the default browser behavior is a good way to improve feel and working. This can be done with the * `preventDefault` option. *  * @class Transform * @static */ /**   * @event transform * @param {Object} ev  */ /**  * @event transformstart * @param {Object} ev  */ /**  * @event transformend * @param {Object} ev  */ /**  * @event pinchin * @param {Object} ev  */ /**  * @event pinchout * @param {Object} ev  */ /**  * @event rotate * @param {Object} ev  */

/**  * @param {String} name */ (function(name) {      var triggered = false;

function transformGesture(ev, inst) { switch(ev.eventType) { case EVENT_START: triggered = false; break;

case EVENT_MOVE: // at least multitouch if(ev.touches.length < 2) { return; }

var scaleThreshold = Math.abs(1 - ev.scale); var rotationThreshold = Math.abs(ev.rotation);

// when the distance we moved is too small we skip this gesture // or we can be already in dragging if(scaleThreshold < inst.options.transformMinScale &&                     rotationThreshold < inst.options.transformMinRotation) { return; }

// we are transforming! Detection.current.name = name;

// first time, trigger dragstart event if(!triggered) { inst.trigger(name + 'start', ev); triggered = true; }

inst.trigger(name, ev); // basic transform event

// trigger rotate event if(rotationThreshold > inst.options.transformMinRotation) { inst.trigger('rotate', ev); }

// trigger pinch event if(scaleThreshold > inst.options.transformMinScale) { inst.trigger('pinch', ev); inst.trigger('pinch' + (ev.scale < 1 ? 'in' : 'out'), ev); }                 break;

case EVENT_RELEASE: if(triggered && ev.changedLength < 2) { inst.trigger(name + 'end', ev); triggered = false; }                 break; }     }

Hammer.gestures.Transform = { name: name, index: 45, defaults: { /**              * minimal scale factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1 * @property transformMinScale * @type {Number} * @default 0.01 */             transformMinScale: 0.01,

/**              * rotation in degrees * @property transformMinRotation * @type {Number} * @default 1 */             transformMinRotation: 1 },

handler: transformGesture }; })('transform');

/**  * @module hammer */

// AMD export if(true) { !(__WEBPACK_AMD_DEFINE_RESULT__ = function {         return Hammer;      }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); // commonjs export } else if(typeof module !== 'undefined' && module.exports) { module.exports = Hammer; // browser export } else { window.Hammer = Hammer; }

})(window);

/***/ }, /* 60 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var RepulsionMixin = __webpack_require__(68); var HierarchialRepulsionMixin = __webpack_require__(69); var BarnesHutMixin = __webpack_require__(70);

/**  * Toggling barnes Hut calculation on and off. *  * @private */ exports._toggleBarnesHut = function  { this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled; this._loadSelectedForceSolver; this.moving = true; this.start; };

/**  * This loads the node force solver based on the barnes hut or repulsion algorithm *  * @private */ exports._loadSelectedForceSolver = function  { // this overloads the this._calculateNodeForces if (this.constants.physics.barnesHut.enabled == true) { this._clearMixin(RepulsionMixin); this._clearMixin(HierarchialRepulsionMixin);

this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity; this.constants.physics.springLength = this.constants.physics.barnesHut.springLength; this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant; this.constants.physics.damping = this.constants.physics.barnesHut.damping;

this._loadMixin(BarnesHutMixin); }   else if (this.constants.physics.hierarchicalRepulsion.enabled == true) { this._clearMixin(BarnesHutMixin); this._clearMixin(RepulsionMixin);

this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity; this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength; this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant; this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping;

this._loadMixin(HierarchialRepulsionMixin); }   else { this._clearMixin(BarnesHutMixin); this._clearMixin(HierarchialRepulsionMixin); this.barnesHutTree = undefined;

this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity; this.constants.physics.springLength = this.constants.physics.repulsion.springLength; this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant; this.constants.physics.damping = this.constants.physics.repulsion.damping;

this._loadMixin(RepulsionMixin); } };

/**  * Before calculating the forces, we check if we need to cluster to keep up performance and we check * if there is more than one node. If it is just one node, we dont calculate anything. *  * @private */ exports._initializeForceCalculation = function  { // stop calculation if there is only one node if (this.nodeIndices.length == 1) { this.nodes[this.nodeIndices[0]]._setForce(0, 0); }   else { // if there are too many nodes on screen, we cluster without repositioning if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) { this.clusterToFit(this.constants.clustering.reduceToNodes, false); }

// we now start the force calculation this._calculateForces; } };

/**  * Calculate the external forces acting on the nodes * Forces are caused by: edges, repulsing forces between nodes, gravity * @private */ exports._calculateForces = function  { // Gravity is required to keep separated groups from floating off // the forces are reset to zero in this loop by using _setForce instead // of _addForce

this._calculateGravitationalForces; this._calculateNodeForces;

if (this.constants.physics.springConstant > 0) { if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { this._calculateSpringForcesWithSupport; }     else { if (this.constants.physics.hierarchicalRepulsion.enabled == true) { this._calculateHierarchicalSpringForces; }       else { this._calculateSpringForces; }     }    }  };

/**  * Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also * handled in the calculateForces function. We then use a quadratic curve with the center node as control. * This function joins the datanodes and invisible (called support) nodes into one object. * We do this so we do not contaminate this.nodes with the support nodes. *  * @private */ exports._updateCalculationNodes = function  { if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) { this.calculationNodes = {}; this.calculationNodeIndices = [];

for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { this.calculationNodes[nodeId] = this.nodes[nodeId]; }     }      var supportNodes = this.sectors['support']['nodes']; for (var supportNodeId in supportNodes) { if (supportNodes.hasOwnProperty(supportNodeId)) { if (this.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) { this.calculationNodes[supportNodeId] = supportNodes[supportNodeId]; }         else { supportNodes[supportNodeId]._setForce(0, 0); }       }      }

for (var idx in this.calculationNodes) { if (this.calculationNodes.hasOwnProperty(idx)) { this.calculationNodeIndices.push(idx); }     }    }    else { this.calculationNodes = this.nodes; this.calculationNodeIndices = this.nodeIndices; } };

/**  * this function applies the central gravity effect to keep groups from floating off *  * @private */ exports._calculateGravitationalForces = function  { var dx, dy, distance, node, i;   var nodes = this.calculationNodes; var gravity = this.constants.physics.centralGravity; var gravityForce = 0;

for (i = 0; i < this.calculationNodeIndices.length; i++) { node = nodes[this.calculationNodeIndices[i]]; node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters. // gravity does not apply when we are in a pocket sector if (this._sector == "default" && gravity != 0) { dx = -node.x;       dy = -node.y;        distance = Math.sqrt(dx * dx + dy * dy);

gravityForce = (distance == 0) ? 0 : (gravity / distance); node.fx = dx * gravityForce; node.fy = dy * gravityForce; }     else { node.fx = 0; node.fy = 0; }   }  };

/**  * this function calculates the effects of the springs in the case of unsmooth curves. *  * @private */ exports._calculateSpringForces = function  { var edgeLength, edge, edgeId; var dx, dy, fx, fy, springForce, distance; var edges = this.edges;

// forces caused by the edges, modelled as springs for (edgeId in edges) { if (edges.hasOwnProperty(edgeId)) { edge = edges[edgeId]; if (edge.connected) { // only calculate forces if nodes are in the same sector if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { edgeLength = edge.physics.springLength; // this implies that the edges between big clusters are longer edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth;

dx = (edge.from.x - edge.to.x); dy = (edge.from.y - edge.to.y); distance = Math.sqrt(dx * dx + dy * dy);

if (distance == 0) { distance = 0.01; }

// the 1/distance is so the fx and fy can be calculated without sine or cosine. springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance;

fx = dx * springForce; fy = dy * springForce;

edge.from.fx += fx; edge.from.fy += fy; edge.to.fx -= fx; edge.to.fy -= fy; }       }      }    }  };

/**  * This function calculates the springforces on the nodes, accounting for the support nodes. *  * @private */ exports._calculateSpringForcesWithSupport = function  { var edgeLength, edge, edgeId, combinedClusterSize; var edges = this.edges;

// forces caused by the edges, modelled as springs for (edgeId in edges) { if (edges.hasOwnProperty(edgeId)) { edge = edges[edgeId]; if (edge.connected) { // only calculate forces if nodes are in the same sector if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { if (edge.via != null) { var node1 = edge.to; var node2 = edge.via; var node3 = edge.from;

edgeLength = edge.physics.springLength;

combinedClusterSize = node1.clusterSize + node3.clusterSize - 2;

// this implies that the edges between big clusters are longer edgeLength += combinedClusterSize * this.constants.clustering.edgeGrowth; this._calculateSpringForce(node1, node2, 0.5 * edgeLength); this._calculateSpringForce(node2, node3, 0.5 * edgeLength); }         }        }      }    }  };

/**  * This is the code actually performing the calculation for the function above. It is split out to avoid repetition. *  * @param node1 * @param node2 * @param edgeLength * @private */ exports._calculateSpringForce = function (node1, node2, edgeLength) { var dx, dy, fx, fy, springForce, distance;

dx = (node1.x - node2.x); dy = (node1.y - node2.y); distance = Math.sqrt(dx * dx + dy * dy);

if (distance == 0) { distance = 0.01; }

// the 1/distance is so the fx and fy can be calculated without sine or cosine. springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance;

fx = dx * springForce; fy = dy * springForce;

node1.fx += fx; node1.fy += fy; node2.fx -= fx; node2.fy -= fy; };

exports._cleanupPhysicsConfiguration = function { if (this.physicsConfiguration !== undefined) { while (this.physicsConfiguration.hasChildNodes) { this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild); }

this.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration); this.physicsConfiguration = undefined; } }

/**  * Load the HTML for the physics config and bind it   * @private */ exports._loadPhysicsConfiguration = function  { if (this.physicsConfiguration === undefined) { this.backupConstants = {}; util.deepExtend(this.backupConstants,this.constants);

var maxGravitational = Math.max(20000, (-1 * this.constants.physics.barnesHut.gravitationalConstant) * 10); var maxSpring = Math.min(0.05, this.constants.physics.barnesHut.springConstant * 10)

var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"]; this.physicsConfiguration = document.createElement('div'); this.physicsConfiguration.className = "PhysicsConfiguration"; this.physicsConfiguration.innerHTML = '' + ' ' +       ' ' +        ' ' +        ' ' +        ' '      this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement); this.optionsDiv = document.createElement("div"); this.optionsDiv.style.fontSize = "14px"; this.optionsDiv.style.fontFamily = "verdana"; this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement);

var rangeElement; rangeElement = document.getElementById('graph_BH_gc'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant"); rangeElement = document.getElementById('graph_BH_cg'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity"); rangeElement = document.getElementById('graph_BH_sc'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant"); rangeElement = document.getElementById('graph_BH_sl'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength"); rangeElement = document.getElementById('graph_BH_damp'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping");

rangeElement = document.getElementById('graph_R_nd'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance"); rangeElement = document.getElementById('graph_R_cg'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity"); rangeElement = document.getElementById('graph_R_sc'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant"); rangeElement = document.getElementById('graph_R_sl'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength"); rangeElement = document.getElementById('graph_R_damp'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping");

rangeElement = document.getElementById('graph_H_nd'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); rangeElement = document.getElementById('graph_H_cg'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity"); rangeElement = document.getElementById('graph_H_sc'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant"); rangeElement = document.getElementById('graph_H_sl'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength"); rangeElement = document.getElementById('graph_H_damp'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping"); rangeElement = document.getElementById('graph_H_direction'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction"); rangeElement = document.getElementById('graph_H_levsep'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation"); rangeElement = document.getElementById('graph_H_nspac'); rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing");

var radioButton1 = document.getElementById("graph_physicsMethod1"); var radioButton2 = document.getElementById("graph_physicsMethod2"); var radioButton3 = document.getElementById("graph_physicsMethod3"); radioButton2.checked = true; if (this.constants.physics.barnesHut.enabled) { radioButton1.checked = true; }     if (this.constants.hierarchicalLayout.enabled) { radioButton3.checked = true; }

var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); var graph_repositionNodes = document.getElementById("graph_repositionNodes"); var graph_generateOptions = document.getElementById("graph_generateOptions");

graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this); graph_repositionNodes.onclick = graphRepositionNodes.bind(this); graph_generateOptions.onclick = graphGenerateOptions.bind(this); if (this.constants.smoothCurves == true && this.constants.dynamicSmoothCurves == false) { graph_toggleSmooth.style.background = "#A4FF56"; }     else { graph_toggleSmooth.style.background = "#FF8532"; }

switchConfigurations.apply(this);

radioButton1.onchange = switchConfigurations.bind(this); radioButton2.onchange = switchConfigurations.bind(this); radioButton3.onchange = switchConfigurations.bind(this); } };

/**  * This overwrites the this.constants. *  * @param constantsVariableName * @param value * @private */ exports._overWriteGraphConstants = function (constantsVariableName, value) { var nameArray = constantsVariableName.split("_"); if (nameArray.length == 1) { this.constants[nameArray[0]] = value; }   else if (nameArray.length == 2) { this.constants[nameArray[0]][nameArray[1]] = value; }   else if (nameArray.length == 3) { this.constants[nameArray[0]][nameArray[1]][nameArray[2]] = value; } };

/**  * this function is bound to the toggle smooth curves button. That is also why it is not in the prototype. */ function graphToggleSmoothCurves  { this.constants.smoothCurves.enabled = !this.constants.smoothCurves.enabled; var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} else                                    {graph_toggleSmooth.style.background = "#FF8532";}

this._configureSmoothCurves(false); }

/**  * this function is used to scramble the nodes *  */  function graphRepositionNodes  { for (var nodeId in this.calculationNodes) { if (this.calculationNodes.hasOwnProperty(nodeId)) { this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0; this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0; }   }    if (this.constants.hierarchicalLayout.enabled == true) { this._setupHierarchicalLayout; showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance"); showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity"); showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant"); showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength"); showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping"); }   else { this.repositionNodes; }   this.moving = true; this.start; }

/**  *  this is used to generate an options file from the playing with physics system. */ function graphGenerateOptions  { var options = "No options are required, default values used."; var optionsSpecific = []; var radioButton1 = document.getElementById("graph_physicsMethod1"); var radioButton2 = document.getElementById("graph_physicsMethod2"); if (radioButton1.checked == true) { if (this.constants.physics.barnesHut.gravitationalConstant != this.backupConstants.physics.barnesHut.gravitationalConstant) {optionsSpecific.push("gravitationalConstant: " + this.constants.physics.barnesHut.gravitationalConstant);} if (this.constants.physics.centralGravity != this.backupConstants.physics.barnesHut.centralGravity)                        {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} if (this.constants.physics.springLength != this.backupConstants.physics.barnesHut.springLength)                            {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} if (this.constants.physics.springConstant != this.backupConstants.physics.barnesHut.springConstant)                        {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} if (this.constants.physics.damping != this.backupConstants.physics.barnesHut.damping)                                      {optionsSpecific.push("damping: " + this.constants.physics.damping);} if (optionsSpecific.length != 0) { options = "var options = {"; options += "physics: {barnesHut: {"; for (var i = 0; i < optionsSpecific.length; i++) { options += optionsSpecific[i]; if (i < optionsSpecific.length - 1) { options += ", " }       }        options += '}}' }     if (this.constants.smoothCurves.enabled != this.backupConstants.smoothCurves.enabled) { if (optionsSpecific.length == 0) {options = "var options = {";} else {options += ", "} options += "smoothCurves: " + this.constants.smoothCurves.enabled; }     if (options != "No options are required, default values used.") { options += '};' }   }    else if (radioButton2.checked == true) { options = "var options = {"; options += "physics: {barnesHut: {enabled: false}"; if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);} if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity)       {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength)           {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant)       {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping)                     {optionsSpecific.push("damping: " + this.constants.physics.damping);} if (optionsSpecific.length != 0) { options += ", repulsion: {"; for (var i = 0; i < optionsSpecific.length; i++) { options += optionsSpecific[i]; if (i < optionsSpecific.length - 1) { options += ", " }       }        options += '}}' }     if (optionsSpecific.length == 0) {options += "}"} if (this.constants.smoothCurves != this.backupConstants.smoothCurves) { options += ", smoothCurves: " + this.constants.smoothCurves; }     options += '};' }   else { options = "var options = {"; if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);} if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity)       {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);} if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength)           {optionsSpecific.push("springLength: " + this.constants.physics.springLength);} if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant)       {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);} if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping)                     {optionsSpecific.push("damping: " + this.constants.physics.damping);} if (optionsSpecific.length != 0) { options += "physics: {hierarchicalRepulsion: {"; for (var i = 0; i < optionsSpecific.length; i++) { options += optionsSpecific[i]; if (i < optionsSpecific.length - 1) { options += ", "; }       }        options += '}},'; }     options += 'hierarchicalLayout: {'; optionsSpecific = []; if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction)                      {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);} if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);} if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing)                  {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);} if (optionsSpecific.length != 0) { for (var i = 0; i < optionsSpecific.length; i++) { options += optionsSpecific[i]; if (i < optionsSpecific.length - 1) { options += ", " }       }        options += '}' }     else { options += "enabled:true}"; }     options += '};' }

this.optionsDiv.innerHTML = options; }

/**  * this is used to switch between barnesHut, repulsion and hierarchical. *  */  function switchConfigurations  { var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"]; var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value; var tableId = "graph_" + radioButton + "_table"; var table = document.getElementById(tableId); table.style.display = "block"; for (var i = 0; i < ids.length; i++) { if (ids[i] != tableId) { table = document.getElementById(ids[i]); table.style.display = "none"; }   }    this._restoreNodes; if (radioButton == "R") { this.constants.hierarchicalLayout.enabled = false; this.constants.physics.hierarchicalRepulsion.enabled = false; this.constants.physics.barnesHut.enabled = false; }   else if (radioButton == "H") { if (this.constants.hierarchicalLayout.enabled == false) { this.constants.hierarchicalLayout.enabled = true; this.constants.physics.hierarchicalRepulsion.enabled = true; this.constants.physics.barnesHut.enabled = false; this.constants.smoothCurves.enabled = false; this._setupHierarchicalLayout; }   }    else { this.constants.hierarchicalLayout.enabled = false; this.constants.physics.hierarchicalRepulsion.enabled = false; this.constants.physics.barnesHut.enabled = true; }   this._loadSelectedForceSolver; var graph_toggleSmooth = document.getElementById("graph_toggleSmooth"); if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";} else                                    {graph_toggleSmooth.style.background = "#FF8532";} this.moving = true; this.start; }

/**  * this generates the ranges depending on the iniital values. *  * @param id   * @param map * @param constantsVariableName */ function showValueOfRange (id,map,constantsVariableName) { var valueId = id + "_value"; var rangeValue = document.getElementById(id).value;

if (Array.isArray(map)) { document.getElementById(valueId).value = map[parseInt(rangeValue)]; this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]); }   else { document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue); this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue)); }

if (constantsVariableName == "hierarchicalLayout_direction" ||     constantsVariableName == "hierarchicalLayout_levelSeparation" ||      constantsVariableName == "hierarchicalLayout_nodeSpacing") { this._setupHierarchicalLayout; }   this.moving = true; this.start; }

/***/ }, /* 61 */ /***/ function(module, exports, __webpack_require__) {

/**  * Creation of the ClusterMixin var. *  * This contains all the functions the Network object can use to employ clustering */

/** * This is only called in the constructor of the network object * */  exports.startWithClustering = function { // cluster if the data set is big this.clusterToFit(this.constants.clustering.initialMaxNodes, true);

// updates the lables after clustering this.updateLabels;

// this is called here because if clusterin is disabled, the start and stabilize are called in  // the setData function. if (this.constants.stabilize == true) { this._stabilize; }  this.start; };

/**  * This function clusters until the initialMaxNodes has been reached *  * @param {Number}  maxNumberOfNodes * @param {Boolean} reposition */ exports.clusterToFit = function(maxNumberOfNodes, reposition) { var numberOfNodes = this.nodeIndices.length;

var maxLevels = 50; var level = 0;

// we first cluster the hubs, then we pull in the outliers, repeat while (numberOfNodes > maxNumberOfNodes && level < maxLevels) { if (level % 3 == 0.0) { this.forceAggregateHubs(true); this.normalizeClusterLevels; }     else { this.increaseClusterLevel; // this also includes a cluster normalization }     this.forceAggregateHubs(true); numberOfNodes = this.nodeIndices.length; level += 1; }

// after the clustering we reposition the nodes to reduce the initial chaos if (level > 0 && reposition == true) { this.repositionNodes; }   this._updateCalculationNodes; };

/**  * This function can be called to open up a specific cluster. * It will unpack the cluster back one level. *  * @param node    | Node object: cluster to open. */ exports.openCluster = function(node) { var isMovingBeforeClustering = this.moving; if (node.clusterSize > this.constants.clustering.sectorThreshold && this._nodeInActiveArea(node) &&     !(this._sector == "default" && this.nodeIndices.length == 1)) { // this loads a new sector, loads the nodes and edges and nodeIndices of it. this._addSector(node); var level = 0;

// we decluster until we reach a decent number of nodes while ((this.nodeIndices.length < this.constants.clustering.initialMaxNodes) && (level < 10)) { this.decreaseClusterLevel; level += 1; }

}   else { this._expandClusterNode(node,false,true);

// update the index list and labels this._updateNodeIndexList; this._updateCalculationNodes; this.updateLabels; }

// if the simulation was settled, we restart the simulation if a cluster has been formed or expanded if (this.moving != isMovingBeforeClustering) { this.start; } };

/**  * This calls the updateClustes with default arguments */ exports.updateClustersDefault = function { if (this.constants.clustering.enabled == true && this.constants.clustering.clusterByZoom == true) { this.updateClusters(0,false,false); } };

/**  * This function can be called to increase the cluster level. This means that the nodes with only one edge connection will * be clustered with their connected node. This can be repeated as many times as needed. * This can be called externally (by a keybind for instance) to reduce the complexity of big datasets. */ exports.increaseClusterLevel = function { this.updateClusters(-1,false,true); };

/**  * This function can be called to decrease the cluster level. This means that the nodes with only one edge connection will * be unpacked if they are a cluster. This can be repeated as many times as needed. * This can be called externally (by a key-bind for instance) to look into clusters without zooming. */ exports.decreaseClusterLevel = function { this.updateClusters(1,false,true); };

/**  * This is the main clustering function. It clusters and declusters on zoom or forced * This function clusters on zoom, it can be called with a predefined zoom direction * If out, check if we can form clusters, if in, check if we can open clusters. * This function is only called from _zoom *  * @param {Number} zoomDirection  | -1 / 0 / +1   for  zoomOut / determineByZoom / zoomIn * @param {Boolean} recursive    | enabled or disable recursive calling of the opening of clusters * @param {Boolean} force        | enabled or disable forcing * @param {Boolean} doNotStart   | if true do not call start *  */  exports.updateClusters = function(zoomDirection,recursive,force,doNotStart) { var isMovingBeforeClustering = this.moving; var amountOfNodes = this.nodeIndices.length;

var detectedZoomingIn = (this.previousScale < this.scale && zoomDirection == 0); var detectedZoomingOut = (this.previousScale > this.scale && zoomDirection == 0);

// on zoom out collapse the sector if the scale is at the level the sector was made if (detectedZoomingOut == true) { this._collapseSector; }

// check if we zoom in or out if (detectedZoomingOut == true || zoomDirection == -1) { // zoom out // forming clusters when forced pulls outliers in. When not forced, the edge length of the // outer nodes determines if it is being clustered this._formClusters(force); }   else if (detectedZoomingIn == true || zoomDirection == 1) { // zoom in      if (force == true) { // _openClusters checks for each node if the formationScale of the cluster is smaller than // the current scale and if so, declusters. When forced, all clusters are reduced by one step this._openClusters(recursive,force); }     else { // if a cluster takes up a set percentage of the active window //this._openClustersBySize; this._openClusters(recursive, false); }   }    this._updateNodeIndexList;

// if a cluster was NOT formed and the user zoomed out, we try clustering by hubs if (this.nodeIndices.length == amountOfNodes && (detectedZoomingOut == true || zoomDirection == -1)) { this._aggregateHubs(force); this._updateNodeIndexList; }

// we now reduce chains. if (detectedZoomingOut == true || zoomDirection == -1) { // zoom out this.handleChains; this._updateNodeIndexList; }

this.previousScale = this.scale;

// update labels this.updateLabels;

// if a cluster was formed, we increase the clusterSession if (this.nodeIndices.length < amountOfNodes) { // this means a clustering operation has taken place this.clusterSession += 1; // if clusters have been made, we normalize the cluster level this.normalizeClusterLevels; }

if (doNotStart == false || doNotStart === undefined) { // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded if (this.moving != isMovingBeforeClustering) { this.start; }   }

this._updateCalculationNodes; };

/**  * This function handles the chains. It is called on every updateClusters. */ exports.handleChains = function { // after clustering we check how many chains there are var chainPercentage = this._getChainFraction; if (chainPercentage > this.constants.clustering.chainThreshold) { this._reduceAmountOfChains(1 - this.constants.clustering.chainThreshold / chainPercentage)

} };

/**  * this functions starts clustering by hubs * The minimum hub threshold is set globally *  * @private */ exports._aggregateHubs = function(force) { this._getHubSize; this._formClustersByHub(force,false); };

/**  * This function forces hubs to form. *  */  exports.forceAggregateHubs = function(doNotStart) { var isMovingBeforeClustering = this.moving; var amountOfNodes = this.nodeIndices.length;

this._aggregateHubs(true);

// update the index list, dynamic edges and labels this._updateNodeIndexList; this.updateLabels;

this._updateCalculationNodes;

// if a cluster was formed, we increase the clusterSession if (this.nodeIndices.length != amountOfNodes) { this.clusterSession += 1; }

if (doNotStart == false || doNotStart === undefined) { // if the simulation was settled, we restart the simulation if a cluster has been formed or expanded if (this.moving != isMovingBeforeClustering) { this.start; }   }  };

/**  * If a cluster takes up more than a set percentage of the screen, open the cluster *  * @private */ exports._openClustersBySize = function { if (this.constants.clustering.clusterByZoom == true) { for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; if (node.inView == true) { if ((node.width * this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) ||             (node.height * this.scale > this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { this.openCluster(node); }         }        }      }    }  };

/**  * This function loops over all nodes in the nodeIndices list. For each node it checks if it is a cluster and if it  * has to be opened based on the current zoom level. *  * @private */ exports._openClusters = function(recursive,force) { for (var i = 0; i < this.nodeIndices.length; i++) { var node = this.nodes[this.nodeIndices[i]]; this._expandClusterNode(node,recursive,force); this._updateCalculationNodes; } };

/**  * This function checks if a node has to be opened. This is done by checking the zoom level. * If the node contains child nodes, this function is recursively called on the child nodes as well. * This recursive behaviour is optional and can be set by the recursive argument. *  * @param {Node}    parentNode    | to check for cluster and expand * @param {Boolean} recursive    | enabled or disable recursive calling * @param {Boolean} force        | enabled or disable forcing * @param {Boolean} [openAll]    | This will recursively force all nodes in the parent to be released * @private */ exports._expandClusterNode = function(parentNode, recursive, force, openAll) { // first check if node is a cluster if (parentNode.clusterSize > 1) { if (openAll === undefined) { openAll = false; }     // this means that on a double tap event or a zoom event, the cluster fully unpacks if it is smaller than 20

recursive = openAll || recursive; // if the last child has been added on a smaller scale than current scale decluster if (parentNode.formationScale < this.scale || force == true) { // we will check if any of the contained child nodes should be removed from the cluster for (var containedNodeId in parentNode.containedNodes) { if (parentNode.containedNodes.hasOwnProperty(containedNodeId)) { var childNode = parentNode.containedNodes[containedNodeId];

// force expand will expand the largest cluster size clusters. Since we cluster from outside in, we assume that // the largest cluster is the one that comes from outside if (force == true) { if (childNode.clusterSession == parentNode.clusterSessions[parentNode.clusterSessions.length-1]                 || openAll) { this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); }           }            else { if (this._nodeInActiveArea(parentNode)) { this._expelChildFromParent(parentNode,containedNodeId,recursive,force,openAll); }           }          }        }      }    }  };

/**  * ONLY CALLED FROM _expandClusterNode *  * This function will expel a child_node from a parent_node. This is to de-cluster the node. This function will remove * the child node from the parent contained_node object and put it back into the global nodes object. * The same holds for the edge that was connected to the child node. It is moved back into the global edges object. *  * @param {Node}    parentNode        | the parent node * @param {String} containedNodeId   | child_node id as it is contained in the containedNodes object of the parent node * @param {Boolean} recursive        | This will also check if the child needs to be expanded. *                                     With force and recursive both true, the entire cluster is unpacked * @param {Boolean} force            | This will disregard the zoom level and will expel this child from the parent * @param {Boolean} openAll          | This will recursively force all nodes in the parent to be released * @private */ exports._expelChildFromParent = function(parentNode, containedNodeId, recursive, force, openAll) { var childNode = parentNode.containedNodes[containedNodeId]

// if child node has been added on smaller scale than current, kick out if (childNode.formationScale < this.scale || force == true) { // unselect all selected items this._unselectAll;

// put the child node back in the global nodes object this.nodes[containedNodeId] = childNode;

// release the contained edges from this childNode back into the global edges this._releaseContainedEdges(parentNode,childNode);

// reconnect rerouted edges to the childNode this._connectEdgeBackToChild(parentNode,childNode);

// validate all edges in dynamicEdges this._validateEdges(parentNode);

// undo the changes from the clustering operation on the parent node parentNode.options.mass -= childNode.options.mass; parentNode.clusterSize -= childNode.clusterSize; parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*(parentNode.clusterSize-1));

// place the child node near the parent, not at the exact same location to avoid chaos in the system childNode.x = parentNode.x + parentNode.growthIndicator * (0.5 - Math.random); childNode.y = parentNode.y + parentNode.growthIndicator * (0.5 - Math.random);

// remove node from the list delete parentNode.containedNodes[containedNodeId];

// check if there are other childs with this clusterSession in the parent. var othersPresent = false; for (var childNodeId in parentNode.containedNodes) { if (parentNode.containedNodes.hasOwnProperty(childNodeId)) { if (parentNode.containedNodes[childNodeId].clusterSession == childNode.clusterSession) { othersPresent = true; break; }       }      }      // if there are no others, remove the cluster session from the list if (othersPresent == false) { parentNode.clusterSessions.pop; }

this._repositionBezierNodes(childNode); //     this._repositionBezierNodes(parentNode);

// remove the clusterSession from the child node childNode.clusterSession = 0;

// recalculate the size of the node on the next time the node is rendered parentNode.clearSizeCache;

// restart the simulation to reorganise all nodes this.moving = true; }

// check if a further expansion step is possible if recursivity is enabled if (recursive == true) { this._expandClusterNode(childNode,recursive,force,openAll); } };

/**  * position the bezier nodes at the center of the edges *  * @param node * @private */ exports._repositionBezierNodes = function(node) { for (var i = 0; i < node.dynamicEdges.length; i++) { node.dynamicEdges[i].positionBezierNode; } };

/**  * This function checks if any nodes at the end of their trees have edges below a threshold length * This function is called only from updateClusters * forceLevelCollapse ignores the length of the edge and collapses one level * This means that a node with only one edge will be clustered with its connected node *  * @private * @param {Boolean} force */ exports._formClusters = function(force) { if (force == false) { if (this.constants.clustering.clusterByZoom == true) { this._formClustersByZoom; }   }    else { this._forceClustersByZoom; } };

/**  * This function handles the clustering by zooming out, this is based on a minimum edge distance *  * @private */ exports._formClustersByZoom = function { var dx,dy,length; var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale;

// check if any edges are shorter than minLength and start the clustering // the clustering favours the node with the larger mass for (var edgeId in this.edges) { if (this.edges.hasOwnProperty(edgeId)) { var edge = this.edges[edgeId]; if (edge.connected) { if (edge.toId != edge.fromId) { dx = (edge.to.x - edge.from.x); dy = (edge.to.y - edge.from.y); length = Math.sqrt(dx * dx + dy * dy);

if (length < minLength) { // first check which node is larger var parentNode = edge.from; var childNode = edge.to; if (edge.to.options.mass > edge.from.options.mass) { parentNode = edge.to; childNode = edge.from; }

if (childNode.dynamicEdges.length == 1) { this._addToCluster(parentNode,childNode,false); }             else if (parentNode.dynamicEdges.length == 1) { this._addToCluster(childNode,parentNode,false); }           }          }        }      }    }  };

/**  * This function forces the network to cluster all nodes with only one connecting edge to their * connected node. *  * @private */ exports._forceClustersByZoom = function { for (var nodeId in this.nodes) { // another node could have absorbed this child. if (this.nodes.hasOwnProperty(nodeId)) { var childNode = this.nodes[nodeId];

// the edges can be swallowed by another decrease if (childNode.dynamicEdges.length == 1) { var edge = childNode.dynamicEdges[0]; var parentNode = (edge.toId == childNode.id) ? this.nodes[edge.fromId] : this.nodes[edge.toId]; // group to the largest node if (childNode.id != parentNode.id) { if (parentNode.options.mass > childNode.options.mass) { this._addToCluster(parentNode,childNode,true); }           else { this._addToCluster(childNode,parentNode,true); }         }        }      }    }  };

/**  * To keep the nodes of roughly equal size we normalize the cluster levels. * This function clusters a node to its smallest connected neighbour. *  * @param node * @private */ exports._clusterToSmallestNeighbour = function(node) { var smallestNeighbour = -1; var smallestNeighbourNode = null; for (var i = 0; i < node.dynamicEdges.length; i++) { if (node.dynamicEdges[i] !== undefined) { var neighbour = null; if (node.dynamicEdges[i].fromId != node.id) { neighbour = node.dynamicEdges[i].from; }       else if (node.dynamicEdges[i].toId != node.id) { neighbour = node.dynamicEdges[i].to; }

if (neighbour != null && smallestNeighbour > neighbour.clusterSessions.length) { smallestNeighbour = neighbour.clusterSessions.length; smallestNeighbourNode = neighbour; }     }    }

if (neighbour != null && this.nodes[neighbour.id] !== undefined) { this._addToCluster(neighbour, node, true); } };

/**  * This function forms clusters from hubs, it loops over all nodes *  * @param {Boolean} force         |   Disregard zoom level * @param {Boolean} onlyEqual    |   This only clusters a hub with a specific number of edges * @private */ exports._formClustersByHub = function(force, onlyEqual) { // we loop over all nodes in the list for (var nodeId in this.nodes) { // we check if it is still available since it can be used by the clustering in this loop if (this.nodes.hasOwnProperty(nodeId)) { this._formClusterFromHub(this.nodes[nodeId],force,onlyEqual); }   }  };

/**  * This function forms a cluster from a specific preselected hub node *  * @param {Node}    hubNode       |   the node we will cluster as a hub * @param {Boolean} force        |   Disregard zoom level * @param {Boolean} onlyEqual    |   This only clusters a hub with a specific number of edges * @param {Number} [absorptionSizeOffset] | * @private */ exports._formClusterFromHub = function(hubNode, force, onlyEqual, absorptionSizeOffset) { if (absorptionSizeOffset === undefined) { absorptionSizeOffset = 0; }   //this.hubThreshold = 43 //if (hubNode.dynamicEdgesLength < 0) { // console.error(hubNode.dynamicEdgesLength, this.hubThreshold, onlyEqual) //}   // we decide if the node is a hub if ((hubNode.dynamicEdges.length >= this.hubThreshold && onlyEqual == false) ||     (hubNode.dynamicEdges.length == this.hubThreshold && onlyEqual == true)) { // initialize variables var dx,dy,length; var minLength = this.constants.clustering.clusterEdgeThreshold/this.scale; var allowCluster = false;

// we create a list of edges because the dynamicEdges change over the course of this loop var edgesIdarray = []; var amountOfInitialEdges = hubNode.dynamicEdges.length; for (var j = 0; j < amountOfInitialEdges; j++) { edgesIdarray.push(hubNode.dynamicEdges[j].id); }

// if the hub clustering is not forced, we check if one of the edges connected // to a cluster is small enough based on the constants.clustering.clusterEdgeThreshold if (force == false) { allowCluster = false; for (j = 0; j < amountOfInitialEdges; j++) { var edge = this.edges[edgesIdarray[j]]; if (edge !== undefined) { if (edge.connected) { if (edge.toId != edge.fromId) { dx = (edge.to.x - edge.from.x); dy = (edge.to.y - edge.from.y); length = Math.sqrt(dx * dx + dy * dy);

if (length < minLength) { allowCluster = true; break; }             }            }          }        }      }

// start the clustering if allowed if ((!force && allowCluster) || force) { var children = []; var childrenIds = {}; // we loop over all edges INITIALLY connected to this hub to get a list of the childNodes for (j = 0; j < amountOfInitialEdges; j++) { edge = this.edges[edgesIdarray[j]]; var childNode = this.nodes[(edge.fromId == hubNode.id) ? edge.toId : edge.fromId]; if (childrenIds[childNode.id] === undefined) { childrenIds[childNode.id] = true; children.push(childNode); }       }

for (j = 0; j < children.length; j++) { var childNode = children[j]; // we do not want hubs to merge with other hubs nor do we want to cluster itself. if ((childNode.dynamicEdges.length <= (this.hubThreshold + absorptionSizeOffset)) &&           (childNode.id != hubNode.id)) { this._addToCluster(hubNode,childNode,force);

}         else { //console.log("WILL NOT MERGE:",childNode.dynamicEdges.length, (this.hubThreshold + absorptionSizeOffset)) }       }

}   }  };

/**  * This function adds the child node to the parent node, creating a cluster if it is not already. *  * @param {Node} parentNode           | this is the node that will house the child node * @param {Node} childNode           | this node will be deleted from the global this.nodes and stored in the parent node * @param {Boolean} force            | true will only update the remainingEdges at the very end of the clustering, ensuring single level collapse * @private */ exports._addToCluster = function(parentNode, childNode, force) { // join child node in the parent node parentNode.containedNodes[childNode.id] = childNode; //console.log(parentNode.id, childNode.id) // manage all the edges connected to the child and parent nodes for (var i = 0; i < childNode.dynamicEdges.length; i++) { var edge = childNode.dynamicEdges[i]; if (edge.toId == parentNode.id || edge.fromId == parentNode.id) { // edge connected to parentNode //console.log("COLLECT",parentNode.id, childNode.id, edge.toId, edge.fromId) this._addToContainedEdges(parentNode,childNode,edge); }     else { //console.log("REWIRE",parentNode.id, childNode.id, edge.toId, edge.fromId) this._connectEdgeToCluster(parentNode,childNode,edge); }   }    // a contained node has no dynamic edges. childNode.dynamicEdges = [];

// remove circular edges from clusters this._containCircularEdgesFromNode(parentNode,childNode);

// remove the childNode from the global nodes object delete this.nodes[childNode.id];

// update the properties of the child and parent var massBefore = parentNode.options.mass; childNode.clusterSession = this.clusterSession; parentNode.options.mass += childNode.options.mass; parentNode.clusterSize += childNode.clusterSize; parentNode.options.fontSize = Math.min(this.constants.clustering.maxFontSize, this.constants.nodes.fontSize + this.constants.clustering.fontSizeMultiplier*parentNode.clusterSize);

// keep track of the clustersessions so we can open the cluster up as it has been formed. if (parentNode.clusterSessions[parentNode.clusterSessions.length - 1] != this.clusterSession) { parentNode.clusterSessions.push(this.clusterSession); }

// forced clusters only open from screen size and double tap if (force == true) { parentNode.formationScale = 0; }   else { parentNode.formationScale = this.scale; // The latest child has been added on this scale }

// recalculate the size of the node on the next time the node is rendered parentNode.clearSizeCache;

// set the pop-out scale for the childnode parentNode.containedNodes[childNode.id].formationScale = parentNode.formationScale;

// nullify the movement velocity of the child, this is to avoid hectic behaviour childNode.clearVelocity;

// the mass has altered, preservation of energy dictates the velocity to be updated parentNode.updateVelocity(massBefore);

// restart the simulation to reorganise all nodes this.moving = true; };

/**  * This adds an edge from the childNode to the contained edges of the parent node *  * @param parentNode    | Node object * @param childNode    | Node object * @param edge         | Edge object * @private */ exports._addToContainedEdges = function(parentNode, childNode, edge) { // create an array object if it does not yet exist for this childNode if (parentNode.containedEdges[childNode.id] === undefined) { parentNode.containedEdges[childNode.id] = [] }   // add this edge to the list parentNode.containedEdges[childNode.id].push(edge);

// remove the edge from the global edges object delete this.edges[edge.id];

// remove the edge from the parent object for (var i = 0; i < parentNode.dynamicEdges.length; i++) { if (parentNode.dynamicEdges[i].id == edge.id) { parentNode.dynamicEdges.splice(i,1); break; }   }  };

/**  * This function connects an edge that was connected to a child node to the parent node. * It keeps track of which nodes it has been connected to with the originalId array. *  * @param {Node} parentNode    | Node object * @param {Node} childNode    | Node object * @param {Edge} edge         | Edge object * @private */ exports._connectEdgeToCluster = function(parentNode, childNode, edge) { // handle circular edges if (edge.toId == edge.fromId) { this._addToContainedEdges(parentNode, childNode, edge); }   else { if (edge.toId == childNode.id) {   // edge connected to other node on the "to" side edge.originalToId.push(childNode.id); edge.to = parentNode; edge.toId = parentNode.id; }     else {          // edge connected to other node with the "from" side edge.originalFromId.push(childNode.id); edge.from = parentNode; edge.fromId = parentNode.id; }

this._addToReroutedEdges(parentNode,childNode,edge); } };

/**  * If a node is connected to itself, a circular edge is drawn. When clustering we want to contain * these edges inside of the cluster. *  * @param parentNode * @param childNode * @private */ exports._containCircularEdgesFromNode = function(parentNode, childNode) { // manage all the edges connected to the child and parent nodes for (var i = 0; i < parentNode.dynamicEdges.length; i++) { var edge = parentNode.dynamicEdges[i]; // handle circular edges if (edge.toId == edge.fromId) { this._addToContainedEdges(parentNode, childNode, edge); }   }  };

/**  * This adds an edge from the childNode to the rerouted edges of the parent node *  * @param parentNode    | Node object * @param childNode    | Node object * @param edge         | Edge object * @private */ exports._addToReroutedEdges = function(parentNode, childNode, edge) { // create an array object if it does not yet exist for this childNode // we store the edge in the rerouted edges so we can restore it when the cluster pops open if (!(parentNode.reroutedEdges.hasOwnProperty(childNode.id))) { parentNode.reroutedEdges[childNode.id] = []; }   parentNode.reroutedEdges[childNode.id].push(edge);

// this edge becomes part of the dynamicEdges of the cluster node parentNode.dynamicEdges.push(edge); };

/**  * This function connects an edge that was connected to a cluster node back to the child node. *  * @param parentNode    | Node object * @param childNode    | Node object * @private */ exports._connectEdgeBackToChild = function(parentNode, childNode) { if (parentNode.reroutedEdges.hasOwnProperty(childNode.id)) { for (var i = 0; i < parentNode.reroutedEdges[childNode.id].length; i++) { var edge = parentNode.reroutedEdges[childNode.id][i]; if (edge.originalFromId[edge.originalFromId.length-1] == childNode.id) { edge.originalFromId.pop; edge.fromId = childNode.id; edge.from = childNode; }       else { edge.originalToId.pop; edge.toId = childNode.id; edge.to = childNode; }

// append this edge to the list of edges connecting to the childnode childNode.dynamicEdges.push(edge);

// remove the edge from the parent object for (var j = 0; j < parentNode.dynamicEdges.length; j++) { if (parentNode.dynamicEdges[j].id == edge.id) { parentNode.dynamicEdges.splice(j,1); break; }       }      }      // remove the entry from the rerouted edges delete parentNode.reroutedEdges[childNode.id]; } };

/**  * When loops are clustered, an edge can be both in the rerouted array and the contained array. * This function is called last to verify that all edges in dynamicEdges are in fact connected to the * parentNode *  * @param parentNode    | Node object * @private */ exports._validateEdges = function(parentNode) { var dynamicEdges = [] for (var i = 0; i < parentNode.dynamicEdges.length; i++) { var edge = parentNode.dynamicEdges[i]; if (parentNode.id == edge.toId || parentNode.id == edge.fromId) { dynamicEdges.push(edge); }   }    parentNode.dynamicEdges = dynamicEdges; };

/**  * This function released the contained edges back into the global domain and puts them back into the * dynamic edges of both parent and child. *  * @param {Node} parentNode    | * @param {Node} childNode    | * @private */ exports._releaseContainedEdges = function(parentNode, childNode) { for (var i = 0; i < parentNode.containedEdges[childNode.id].length; i++) { var edge = parentNode.containedEdges[childNode.id][i];

// put the edge back in the global edges object this.edges[edge.id] = edge;

// put the edge back in the dynamic edges of the child and parent childNode.dynamicEdges.push(edge); parentNode.dynamicEdges.push(edge); }   // remove the entry from the contained edges delete parentNode.containedEdges[childNode.id];

};

// --- UTILITY FUNCTIONS //

/**  * This updates the node labels for all nodes (for debugging purposes) */ exports.updateLabels = function { var nodeId; // update node labels for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; if (node.clusterSize > 1) { node.label = "[".concat(String(node.clusterSize),"]"); }     }    }

// update node labels for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; if (node.clusterSize == 1) { if (node.originalLabel !== undefined) { node.label = node.originalLabel; }         else { node.label = String(node.id); }       }      }    }

//   /* Debug Override */ //   for (nodeId in this.nodes) { //     if (this.nodes.hasOwnProperty(nodeId)) { //       node = this.nodes[nodeId]; //       node.label = String(node.clusterSize + ":" + node.dynamicEdges.length); //     }  //    }

};

/**  * We want to keep the cluster level distribution rather small. This means we do not want unclustered nodes * if the rest of the nodes are already a few cluster levels in. * To fix this we use this function. It determines the min and max cluster level and sends nodes that have not * clustered enough to the clusterToSmallestNeighbours function. */ exports.normalizeClusterLevels = function { var maxLevel = 0; var minLevel = 1e9; var clusterLevel = 0; var nodeId;

// we loop over all nodes in the list for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { clusterLevel = this.nodes[nodeId].clusterSessions.length; if (maxLevel < clusterLevel) {maxLevel = clusterLevel;} if (minLevel > clusterLevel) {minLevel = clusterLevel;} }   }

if (maxLevel - minLevel > this.constants.clustering.clusterLevelDifference) { var amountOfNodes = this.nodeIndices.length; var targetLevel = maxLevel - this.constants.clustering.clusterLevelDifference; // we loop over all nodes in the list for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { if (this.nodes[nodeId].clusterSessions.length < targetLevel) { this._clusterToSmallestNeighbour(this.nodes[nodeId]); }       }      }      this._updateNodeIndexList; // if a cluster was formed, we increase the clusterSession if (this.nodeIndices.length != amountOfNodes) { this.clusterSession += 1; }   }  };

/**  * This function determines if the cluster we want to decluster is in the active area * this means around the zoom center *  * @param {Node} node * @returns {boolean} * @private */ exports._nodeInActiveArea = function(node) { return (     Math.abs(node.x - this.areaCenter.x) <= this.constants.clustering.activeAreaBoxSize/this.scale        &&      Math.abs(node.y - this.areaCenter.y) <= this.constants.clustering.activeAreaBoxSize/this.scale      ) };

/**  * This is an adaptation of the original repositioning function. This is called if the system is clustered initially * It puts large clusters away from the center and randomizes the order. *  */  exports.repositionNodes = function { for (var i = 0; i < this.nodeIndices.length; i++) { var node = this.nodes[this.nodeIndices[i]]; if ((node.xFixed == false || node.yFixed == false)) { var radius = 10 * 0.1*this.nodeIndices.length * Math.min(100,node.options.mass); var angle = 2 * Math.PI * Math.random; if (node.xFixed == false) {node.x = radius * Math.cos(angle);} if (node.yFixed == false) {node.y = radius * Math.sin(angle);} this._repositionBezierNodes(node); }   }  };

/**  * We determine how many connections denote an important hub. * We take the mean + 2*std as the important hub size. (Assuming a normal distribution of data, ~2.2%) *  * @private */ exports._getHubSize = function { var average = 0; var averageSquared = 0; var hubCounter = 0; var largestHub = 0;

for (var i = 0; i < this.nodeIndices.length; i++) {

var node = this.nodes[this.nodeIndices[i]]; if (node.dynamicEdges.length > largestHub) { largestHub = node.dynamicEdges.length; }     average += node.dynamicEdges.length; averageSquared += Math.pow(node.dynamicEdges.length,2); hubCounter += 1; }   average = average / hubCounter; averageSquared = averageSquared / hubCounter;

var variance = averageSquared - Math.pow(average,2);

var standardDeviation = Math.sqrt(variance);

this.hubThreshold = Math.floor(average + 2*standardDeviation);

// always have at least one to cluster if (this.hubThreshold > largestHub) { this.hubThreshold = largestHub; }

// console.log("average",average,"averageSQ",averageSquared,"var",variance,"std",standardDeviation); // console.log("hubThreshold:",this.hubThreshold); };

/**  * We reduce the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods * with this amount we can cluster specifically on these chains. *  * @param   {Number} fraction     | between 0 and 1, the percentage of chains to reduce * @private */ exports._reduceAmountOfChains = function(fraction) { this.hubThreshold = 2; var reduceAmount = Math.floor(this.nodeIndices.length * fraction); for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { if (this.nodes[nodeId].dynamicEdges.length == 2) { if (reduceAmount > 0) { this._formClusterFromHub(this.nodes[nodeId],true,true,1); reduceAmount -= 1; }       }      }    }  };

/**  * We get the amount of "extension nodes" or chains. These are not quickly clustered with the outliers and hubs methods * with this amount we can cluster specifically on these chains. *  * @private */ exports._getChainFraction = function { var chains = 0; var total = 0; for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { if (this.nodes[nodeId].dynamicEdges.length == 2) { chains += 1; }       total += 1; }   }    return chains/total; };

/***/ }, /* 62 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Node = __webpack_require__(40);

/**  * Creation of the SectorMixin var. *  * This contains all the functions the Network object can use to employ the sector system. * The sector system is always used by Network, though the benefits only apply to the use of clustering. * If clustering is not used, there is no overhead except for a duplicate object with references to nodes and edges. */

/**  * This function is only called by the setData function of the Network object. * This loads the global references into the active sector. This initializes the sector. *  * @private */ exports._putDataInSector = function { this.sectors["active"][this._sector].nodes = this.nodes; this.sectors["active"][this._sector].edges = this.edges; this.sectors["active"][this._sector].nodeIndices = this.nodeIndices; };

/**  *  /**   * This function sets the global references to nodes, edges and nodeIndices back to   * those of the supplied (active) sector. If a type is defined, do the specific type *  * @param {String} sectorId * @param {String} [sectorType] | "active" or "frozen" * @private */ exports._switchToSector = function(sectorId, sectorType) { if (sectorType === undefined || sectorType == "active") { this._switchToActiveSector(sectorId); }   else { this._switchToFrozenSector(sectorId); } };

/**  * This function sets the global references to nodes, edges and nodeIndices back to   * those of the supplied active sector. *  * @param sectorId * @private */ exports._switchToActiveSector = function(sectorId) { this.nodeIndices = this.sectors["active"][sectorId]["nodeIndices"]; this.nodes      = this.sectors["active"][sectorId]["nodes"]; this.edges      = this.sectors["active"][sectorId]["edges"]; };

/**  * This function sets the global references to nodes, edges and nodeIndices back to   * those of the supplied active sector. *  * @private */ exports._switchToSupportSector = function { this.nodeIndices = this.sectors["support"]["nodeIndices"]; this.nodes      = this.sectors["support"]["nodes"]; this.edges      = this.sectors["support"]["edges"]; };

/**  * This function sets the global references to nodes, edges and nodeIndices back to   * those of the supplied frozen sector. *  * @param sectorId * @private */ exports._switchToFrozenSector = function(sectorId) { this.nodeIndices = this.sectors["frozen"][sectorId]["nodeIndices"]; this.nodes      = this.sectors["frozen"][sectorId]["nodes"]; this.edges      = this.sectors["frozen"][sectorId]["edges"]; };

/**  * This function sets the global references to nodes, edges and nodeIndices back to   * those of the currently active sector. *  * @private */ exports._loadLatestSector = function { this._switchToSector(this._sector); };

/**  * This function returns the currently active sector Id   * * @returns {String} * @private */ exports._sector = function { return this.activeSector[this.activeSector.length-1]; };

/**  * This function returns the previously active sector Id   * * @returns {String} * @private */ exports._previousSector = function { if (this.activeSector.length > 1) { return this.activeSector[this.activeSector.length-2]; }   else { throw new TypeError('there are not enough sectors in the this.activeSector array.'); } };

/**  * We add the active sector at the end of the this.activeSector array * This ensures it is the currently active sector returned by _sector and it reaches the top * of the activeSector stack. When we reverse our steps we move from the end to the beginning of this stack. *  * @param newId * @private */ exports._setActiveSector = function(newId) { this.activeSector.push(newId); };

/**  * We remove the currently active sector id from the active sector stack. This happens when * we reactivate the previously active sector *  * @private */ exports._forgetLastSector = function { this.activeSector.pop; };

/**  * This function creates a new active sector with the supplied newId. This newId * is the expanding node id. *  * @param {String} newId   | Id of the new active sector * @private */ exports._createNewSector = function(newId) { // create the new sector this.sectors["active"][newId] = {"nodes":{}, "edges":{}, "nodeIndices":[], "formationScale": this.scale, "drawingNode": undefined};

// create the new sector render node. This gives visual feedback that you are in a new sector. this.sectors["active"][newId]['drawingNode'] = new Node(       {id:newId,          color: {            background: "#eaefef",            border: "495c5e"          }        },{},{},this.constants); this.sectors["active"][newId]['drawingNode'].clusterSize = 2; };

/**  * This function removes the currently active sector. This is called when we create a new * active sector. *  * @param {String} sectorId   | Id of the active sector that will be removed * @private */ exports._deleteActiveSector = function(sectorId) { delete this.sectors["active"][sectorId]; };

/**  * This function removes the currently active sector. This is called when we reactivate * the previously active sector. *  * @param {String} sectorId   | Id of the active sector that will be removed * @private */ exports._deleteFrozenSector = function(sectorId) { delete this.sectors["frozen"][sectorId]; };

/**  * Freezing an active sector means moving it from the "active" object to the "frozen" object. * We copy the references, then delete the active entree. *  * @param sectorId * @private */ exports._freezeSector = function(sectorId) { // we move the set references from the active to the frozen stack. this.sectors["frozen"][sectorId] = this.sectors["active"][sectorId];

// we have moved the sector data into the frozen set, we now remove it from the active set this._deleteActiveSector(sectorId); };

/**  * This is the reverse operation of _freezeSector. Activating means moving the sector from the "frozen" * object to the "active" object. *  * @param sectorId * @private */ exports._activateSector = function(sectorId) { // we move the set references from the frozen to the active stack. this.sectors["active"][sectorId] = this.sectors["frozen"][sectorId];

// we have moved the sector data into the active set, we now remove it from the frozen stack this._deleteFrozenSector(sectorId); };

/**  * This function merges the data from the currently active sector with a frozen sector. This is used * in the process of reverting back to the previously active sector. * The data that is placed in the frozen (the previously active) sector is the node that has been removed from it  * upon the creation of a new active sector. *  * @param sectorId * @private */ exports._mergeThisWithFrozen = function(sectorId) { // copy all nodes for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { this.sectors["frozen"][sectorId]["nodes"][nodeId] = this.nodes[nodeId]; }   }

// copy all edges (if not fully clustered, else there are no edges) for (var edgeId in this.edges) { if (this.edges.hasOwnProperty(edgeId)) { this.sectors["frozen"][sectorId]["edges"][edgeId] = this.edges[edgeId]; }   }

// merge the nodeIndices for (var i = 0; i < this.nodeIndices.length; i++) { this.sectors["frozen"][sectorId]["nodeIndices"].push(this.nodeIndices[i]); } };

/**  * This clusters the sector to one cluster. It was a single cluster before this process started so  * we revert to that state. The clusterToFit function with a maximum size of 1 node does this. *  * @private */ exports._collapseThisToSingleCluster = function { this.clusterToFit(1,false); };

/**  * We create a new active sector from the node that we want to open. *  * @param node * @private */ exports._addSector = function(node) { // this is the currently active sector var sector = this._sector;

//   // this should allow me to select nodes from a frozen set. //   if (this.sectors['active'][sector]["nodes"].hasOwnProperty(node.id)) { //     console.log("the node is part of the active sector"); //   }  //    else { //     console.log("I dont know what the fuck happened!!"); //   }

// when we switch to a new sector, we remove the node that will be expanded from the current nodes list. delete this.nodes[node.id];

var unqiueIdentifier = util.randomUUID;

// we fully freeze the currently active sector this._freezeSector(sector);

// we create a new active sector. This sector has the Id of the node to ensure uniqueness this._createNewSector(unqiueIdentifier);

// we add the active sector to the sectors array to be able to revert these steps later on   this._setActiveSector(unqiueIdentifier);

// we redirect the global references to the new sector's references. this._sector now returns unqiueIdentifier this._switchToSector(this._sector);

// finally we add the node we removed from our previous active sector to the new active sector this.nodes[node.id] = node; };

/**  * We close the sector that is currently open and revert back to the one before. * If the active sector is the "default" sector, nothing happens. *  * @private */ exports._collapseSector = function { // the currently active sector var sector = this._sector;

// we cannot collapse the default sector if (sector != "default") { if ((this.nodeIndices.length == 1) ||      (this.sectors["active"][sector]["drawingNode"].width*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientWidth) ||       (this.sectors["active"][sector]["drawingNode"].height*this.scale < this.constants.clustering.screenSizeThreshold * this.frame.canvas.clientHeight)) { var previousSector = this._previousSector;

// we collapse the sector back to a single cluster this._collapseThisToSingleCluster;

// we move the remaining nodes, edges and nodeIndices to the previous sector. // This previous sector is the one we will reactivate this._mergeThisWithFrozen(previousSector);

// the previously active (frozen) sector now has all the data from the currently active sector. // we can now delete the active sector. this._deleteActiveSector(sector);

// we activate the previously active (and currently frozen) sector. this._activateSector(previousSector);

// we load the references from the newly active sector into the global references this._switchToSector(previousSector);

// we forget the previously active sector because we reverted to the one before this._forgetLastSector;

// finally, we update the node index list. this._updateNodeIndexList;

// we refresh the list with calulation nodes and calculation node indices. this._updateCalculationNodes; }   }  };

/**  * This runs a function in all active sectors. This is used in _redraw and the _initializeForceCalculation. *  * @param {String} runFunction  |   This is the NAME of a function we want to call in all active sectors *                             |   we dont pass the function itself because then the "this" is the window object *                             |   instead of the Network object * @param {*} [argument]           |   Optional: arguments to pass to the runFunction * @private */ exports._doInAllActiveSectors = function(runFunction,argument) { var returnValues = []; if (argument === undefined) { for (var sector in this.sectors["active"]) { if (this.sectors["active"].hasOwnProperty(sector)) { // switch the global references to those of this sector this._switchToActiveSector(sector); returnValues.push( this[runFunction] ); }     }    }    else { for (var sector in this.sectors["active"]) { if (this.sectors["active"].hasOwnProperty(sector)) { // switch the global references to those of this sector this._switchToActiveSector(sector); var args = Array.prototype.splice.call(arguments, 1); if (args.length > 1) { returnValues.push( this[runFunction](args[0],args[1]) ); }         else { returnValues.push( this[runFunction](argument) ); }       }      }    }    // we revert the global references back to our active sector this._loadLatestSector; return returnValues; };

/**  * This runs a function in all active sectors. This is used in _redraw and the _initializeForceCalculation. *  * @param {String} runFunction  |   This is the NAME of a function we want to call in all active sectors *                             |   we dont pass the function itself because then the "this" is the window object *                             |   instead of the Network object * @param {*} [argument]       |   Optional: arguments to pass to the runFunction * @private */ exports._doInSupportSector = function(runFunction,argument) { var returnValues = false; if (argument === undefined) { this._switchToSupportSector; returnValues = this[runFunction]; }   else { this._switchToSupportSector; var args = Array.prototype.splice.call(arguments, 1); if (args.length > 1) { returnValues = this[runFunction](args[0],args[1]); }     else { returnValues = this[runFunction](argument); }   }    // we revert the global references back to our active sector this._loadLatestSector; return returnValues; };

/**  * This runs a function in all frozen sectors. This is used in the _redraw. *  * @param {String} runFunction  |   This is the NAME of a function we want to call in all active sectors *                             |   we don't pass the function itself because then the "this" is the window object *                             |   instead of the Network object * @param {*} [argument]           |   Optional: arguments to pass to the runFunction * @private */ exports._doInAllFrozenSectors = function(runFunction,argument) { if (argument === undefined) { for (var sector in this.sectors["frozen"]) { if (this.sectors["frozen"].hasOwnProperty(sector)) { // switch the global references to those of this sector this._switchToFrozenSector(sector); this[runFunction]; }     }    }    else { for (var sector in this.sectors["frozen"]) { if (this.sectors["frozen"].hasOwnProperty(sector)) { // switch the global references to those of this sector this._switchToFrozenSector(sector); var args = Array.prototype.splice.call(arguments, 1); if (args.length > 1) { this[runFunction](args[0],args[1]); }         else { this[runFunction](argument); }       }      }    }    this._loadLatestSector; };

/**  * This runs a function in all sectors. This is used in the _redraw. *  * @param {String} runFunction  |   This is the NAME of a function we want to call in all active sectors *                             |   we don't pass the function itself because then the "this" is the window object *                             |   instead of the Network object * @param {*} [argument]       |   Optional: arguments to pass to the runFunction * @private */ exports._doInAllSectors = function(runFunction,argument) { var args = Array.prototype.splice.call(arguments, 1); if (argument === undefined) { this._doInAllActiveSectors(runFunction); this._doInAllFrozenSectors(runFunction); }   else { if (args.length > 1) { this._doInAllActiveSectors(runFunction,args[0],args[1]); this._doInAllFrozenSectors(runFunction,args[0],args[1]); }     else { this._doInAllActiveSectors(runFunction,argument); this._doInAllFrozenSectors(runFunction,argument); }   }  };

/**  * This clears the nodeIndices list. We cannot use this.nodeIndices = [] because we would break the link with the * active sector. Thus we clear the nodeIndices in the active sector, then reconnect the this.nodeIndices to it. *  * @private */ exports._clearNodeIndexList = function { var sector = this._sector; this.sectors["active"][sector]["nodeIndices"] = []; this.nodeIndices = this.sectors["active"][sector]["nodeIndices"]; };

/**  * Draw the encompassing sector node *  * @param ctx * @param sectorType * @private */ exports._drawSectorNodes = function(ctx,sectorType) { var minY = 1e9, maxY = -1e9, minX = 1e9, maxX = -1e9, node; for (var sector in this.sectors[sectorType]) { if (this.sectors[sectorType].hasOwnProperty(sector)) { if (this.sectors[sectorType][sector]["drawingNode"] !== undefined) {

this._switchToSector(sector,sectorType);

minY = 1e9; maxY = -1e9; minX = 1e9; maxX = -1e9; for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; node.resize(ctx); if (minX > node.x - 0.5 * node.width) {minX = node.x - 0.5 * node.width;} if (maxX < node.x + 0.5 * node.width) {maxX = node.x + 0.5 * node.width;} if (minY > node.y - 0.5 * node.height) {minY = node.y - 0.5 * node.height;} if (maxY < node.y + 0.5 * node.height) {maxY = node.y + 0.5 * node.height;} }         }          node = this.sectors[sectorType][sector]["drawingNode"]; node.x = 0.5 * (maxX + minX); node.y = 0.5 * (maxY + minY); node.width = 2 * (node.x - minX); node.height = 2 * (node.y - minY); node.options.radius = Math.sqrt(Math.pow(0.5*node.width,2) + Math.pow(0.5*node.height,2)); node.setScale(this.scale); node._drawCircle(ctx); }     }    }  };

exports._drawAllSectorNodes = function(ctx) { this._drawSectorNodes(ctx,"frozen"); this._drawSectorNodes(ctx,"active"); this._loadLatestSector; };

/***/ }, /* 63 */ /***/ function(module, exports, __webpack_require__) {

var Node = __webpack_require__(40);

/**  * This function can be called from the _doInAllSectors function *  * @param object * @param overlappingNodes * @private */ exports._getNodesOverlappingWith = function(object, overlappingNodes) { var nodes = this.nodes; for (var nodeId in nodes) { if (nodes.hasOwnProperty(nodeId)) { if (nodes[nodeId].isOverlappingWith(object)) { overlappingNodes.push(nodeId); }     }    }  };

/**  * retrieve all nodes overlapping with given object * @param {Object} object An object with parameters left, top, right, bottom * @return {Number[]}  An array with id's of the overlapping nodes * @private */ exports._getAllNodesOverlappingWith = function (object) { var overlappingNodes = []; this._doInAllActiveSectors("_getNodesOverlappingWith",object,overlappingNodes); return overlappingNodes; };

/**  * Return a position object in canvasspace from a single point in screenspace *  * @param pointer * @returns * @private */ exports._pointerToPositionObject = function(pointer) { var x = this._XconvertDOMtoCanvas(pointer.x); var y = this._YconvertDOMtoCanvas(pointer.y);

return { left:  x,      top:    y,      right:  x,      bottom: y    }; };

/**  * Get the top node at the a specific point (like a click) *  * @param  pointer * @return {Node | null} node * @private */ exports._getNodeAt = function (pointer) { // we first check if this is an navigation controls element var positionObject = this._pointerToPositionObject(pointer); var overlappingNodes = this._getAllNodesOverlappingWith(positionObject);

// if there are overlapping nodes, select the last one, this is the // one which is drawn on top of the others if (overlappingNodes.length > 0) { return this.nodes[overlappingNodes[overlappingNodes.length - 1]]; }   else { return null; } };

/**  * retrieve all edges overlapping with given object, selector is around center * @param {Object} object An object with parameters left, top, right, bottom * @return {Number[]}  An array with id's of the overlapping nodes * @private */ exports._getEdgesOverlappingWith = function (object, overlappingEdges) { var edges = this.edges; for (var edgeId in edges) { if (edges.hasOwnProperty(edgeId)) { if (edges[edgeId].isOverlappingWith(object)) { overlappingEdges.push(edgeId); }     }    }  };

/**  * retrieve all nodes overlapping with given object * @param {Object} object An object with parameters left, top, right, bottom * @return {Number[]}  An array with id's of the overlapping nodes * @private */ exports._getAllEdgesOverlappingWith = function (object) { var overlappingEdges = []; this._doInAllActiveSectors("_getEdgesOverlappingWith",object,overlappingEdges); return overlappingEdges; };

/**  * Place holder. To implement change the _getNodeAt to a _getObjectAt. Have the _getObjectAt call * _getNodeAt and _getEdgesAt, then priortize the selection to user preferences. *  * @param pointer * @returns {null} * @private */ exports._getEdgeAt = function(pointer) { var positionObject = this._pointerToPositionObject(pointer); var overlappingEdges = this._getAllEdgesOverlappingWith(positionObject);

if (overlappingEdges.length > 0) { return this.edges[overlappingEdges[overlappingEdges.length - 1]]; }   else { return null; } };

/**  * Add object to the selection array. *  * @param obj * @private */ exports._addToSelection = function(obj) { if (obj instanceof Node) { this.selectionObj.nodes[obj.id] = obj; }   else { this.selectionObj.edges[obj.id] = obj; } };

/**  * Add object to the selection array. *  * @param obj * @private */ exports._addToHover = function(obj) { if (obj instanceof Node) { this.hoverObj.nodes[obj.id] = obj; }   else { this.hoverObj.edges[obj.id] = obj; } };

/**  * Remove a single option from selection. *  * @param {Object} obj * @private */ exports._removeFromSelection = function(obj) { if (obj instanceof Node) { delete this.selectionObj.nodes[obj.id]; }   else { delete this.selectionObj.edges[obj.id]; } };

/**  * Unselect all. The selectionObj is useful for this. *  * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ exports._unselectAll = function(doNotTrigger) { if (doNotTrigger === undefined) { doNotTrigger = false; }   for(var nodeId in this.selectionObj.nodes) { if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { this.selectionObj.nodes[nodeId].unselect; }   }    for(var edgeId in this.selectionObj.edges) { if(this.selectionObj.edges.hasOwnProperty(edgeId)) { this.selectionObj.edges[edgeId].unselect; }   }

this.selectionObj = {nodes:{},edges:{}};

if (doNotTrigger == false) { this.emit('select', this.getSelection); } };

/**  * Unselect all clusters. The selectionObj is useful for this. *  * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ exports._unselectClusters = function(doNotTrigger) { if (doNotTrigger === undefined) { doNotTrigger = false; }

for (var nodeId in this.selectionObj.nodes) { if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { if (this.selectionObj.nodes[nodeId].clusterSize > 1) { this.selectionObj.nodes[nodeId].unselect; this._removeFromSelection(this.selectionObj.nodes[nodeId]); }     }    }

if (doNotTrigger == false) { this.emit('select', this.getSelection); } };

/**  * return the number of selected nodes *  * @returns {number} * @private */ exports._getSelectedNodeCount = function { var count = 0; for (var nodeId in this.selectionObj.nodes) { if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { count += 1; }   }    return count; };

/**  * return the selected node *  * @returns {number} * @private */ exports._getSelectedNode = function { for (var nodeId in this.selectionObj.nodes) { if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { return this.selectionObj.nodes[nodeId]; }   }    return null; };

/**  * return the selected edge *  * @returns {number} * @private */ exports._getSelectedEdge = function { for (var edgeId in this.selectionObj.edges) { if (this.selectionObj.edges.hasOwnProperty(edgeId)) { return this.selectionObj.edges[edgeId]; }   }    return null; };

/**  * return the number of selected edges *  * @returns {number} * @private */ exports._getSelectedEdgeCount = function { var count = 0; for (var edgeId in this.selectionObj.edges) { if (this.selectionObj.edges.hasOwnProperty(edgeId)) { count += 1; }   }    return count; };

/**  * return the number of selected objects. *  * @returns {number} * @private */ exports._getSelectedObjectCount = function { var count = 0; for(var nodeId in this.selectionObj.nodes) { if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { count += 1; }   }    for(var edgeId in this.selectionObj.edges) { if(this.selectionObj.edges.hasOwnProperty(edgeId)) { count += 1; }   }    return count; };

/**  * Check if anything is selected *  * @returns {boolean} * @private */ exports._selectionIsEmpty = function { for(var nodeId in this.selectionObj.nodes) { if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { return false; }   }    for(var edgeId in this.selectionObj.edges) { if(this.selectionObj.edges.hasOwnProperty(edgeId)) { return false; }   }    return true; };

/**  * check if one of the selected nodes is a cluster. *  * @returns {boolean} * @private */ exports._clusterInSelection = function { for(var nodeId in this.selectionObj.nodes) { if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { if (this.selectionObj.nodes[nodeId].clusterSize > 1) { return true; }     }    }    return false; };

/**  * select the edges connected to the node that is being selected *  * @param {Node} node * @private */ exports._selectConnectedEdges = function(node) { for (var i = 0; i < node.dynamicEdges.length; i++) { var edge = node.dynamicEdges[i]; edge.select; this._addToSelection(edge); } };

/**  * select the edges connected to the node that is being selected *  * @param {Node} node * @private */ exports._hoverConnectedEdges = function(node) { for (var i = 0; i < node.dynamicEdges.length; i++) { var edge = node.dynamicEdges[i]; edge.hover = true; this._addToHover(edge); } };

/**  * unselect the edges connected to the node that is being selected *  * @param {Node} node * @private */ exports._unselectConnectedEdges = function(node) { for (var i = 0; i < node.dynamicEdges.length; i++) { var edge = node.dynamicEdges[i]; edge.unselect; this._removeFromSelection(edge); } };

/**  * This is called when someone clicks on a node. either select or deselect it. * If there is an existing selection and we don't want to append to it, clear the existing selection *  * @param {Node || Edge} object * @param {Boolean} append * @param {Boolean} [doNotTrigger] | ignore trigger * @private */ exports._selectObject = function(object, append, doNotTrigger, highlightEdges, overrideSelectable) { if (doNotTrigger === undefined) { doNotTrigger = false; }   if (highlightEdges === undefined) { highlightEdges = true; }

if (this._selectionIsEmpty == false && append == false && this.forceAppendSelection == false) { this._unselectAll(true); }

// selectable allows the object to be selected. Override can be used if needed to bypass this. if (object.selected == false && (this.constants.selectable == true || overrideSelectable)) { object.select; this._addToSelection(object); if (object instanceof Node && this.blockConnectingEdgeSelection == false && highlightEdges == true) { this._selectConnectedEdges(object); }   }    // do not select the object if selectable is false, only add it to selection to allow drag to work else if (object.selected == false) { this._addToSelection(object); doNotTrigger = true; }   else { object.unselect; this._removeFromSelection(object); }

if (doNotTrigger == false) { this.emit('select', this.getSelection); } };

/**  * This is called when someone clicks on a node. either select or deselect it. * If there is an existing selection and we don't want to append to it, clear the existing selection *  * @param {Node || Edge} object * @private */ exports._blurObject = function(object) { if (object.hover == true) { object.hover = false; this.emit("blurNode",{node:object.id}); } };

/**  * This is called when someone clicks on a node. either select or deselect it. * If there is an existing selection and we don't want to append to it, clear the existing selection *  * @param {Node || Edge} object * @private */ exports._hoverObject = function(object) { if (object.hover == false) { object.hover = true; this._addToHover(object); if (object instanceof Node) { this.emit("hoverNode",{node:object.id}); }   }    if (object instanceof Node) { this._hoverConnectedEdges(object); } };

/**  * handles the selection part of the touch, only for navigation controls elements; * Touch is triggered before tap, also before hold. Hold triggers after a while. * This is the most responsive solution *  * @param {Object} pointer * @private */ exports._handleTouch = function(pointer) { };

/**  * handles the selection part of the tap; *  * @param {Object} pointer * @private */ exports._handleTap = function(pointer) { var node = this._getNodeAt(pointer); if (node != null) { this._selectObject(node, false); }   else { var edge = this._getEdgeAt(pointer); if (edge != null) { this._selectObject(edge, false); }     else { this._unselectAll; }   }    var properties = this.getSelection; properties['pointer'] = { DOM: {x: pointer.x, y: pointer.y}, canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} }   this.emit("click", properties); this._requestRedraw; };

/**  * handles the selection part of the double tap and opens a cluster if needed *  * @param {Object} pointer * @private */ exports._handleDoubleTap = function(pointer) { var node = this._getNodeAt(pointer); if (node != null && node !== undefined) { // we reset the areaCenter here so the opening of the node will occur this.areaCenter = {"x" : this._XconvertDOMtoCanvas(pointer.x), "y" : this._YconvertDOMtoCanvas(pointer.y)}; this.openCluster(node); }   var properties = this.getSelection; properties['pointer'] = { DOM: {x: pointer.x, y: pointer.y}, canvas: {x: this._XconvertDOMtoCanvas(pointer.x), y: this._YconvertDOMtoCanvas(pointer.y)} }   this.emit("doubleClick", properties); };

/**  * Handle the onHold selection part *  * @param pointer * @private */ exports._handleOnHold = function(pointer) { var node = this._getNodeAt(pointer); if (node != null) { this._selectObject(node,true); }   else { var edge = this._getEdgeAt(pointer); if (edge != null) { this._selectObject(edge,true); }   }    this._requestRedraw; };

/**  * handle the onRelease event. These functions are here for the navigation controls module * and data manipulation module. *   * @private */ exports._handleOnRelease = function(pointer) { this._manipulationReleaseOverload(pointer); this._navigationReleaseOverload(pointer); };

exports._manipulationReleaseOverload = function (pointer) {}; exports._navigationReleaseOverload = function (pointer) {};

/**  *   * retrieve the currently selected objects * @return selection */ exports.getSelection = function { var nodeIds = this.getSelectedNodes; var edgeIds = this.getSelectedEdges; return {nodes:nodeIds, edges:edgeIds}; };

/**  *   * retrieve the currently selected nodes * @return {String[]} selection   An array with the ids of the *                                           selected nodes. */ exports.getSelectedNodes = function { var idArray = []; if (this.constants.selectable == true) { for (var nodeId in this.selectionObj.nodes) { if (this.selectionObj.nodes.hasOwnProperty(nodeId)) { idArray.push(nodeId); }     }    }    return idArray };

/**  *   * retrieve the currently selected edges * @return {Array} selection   An array with the ids of the *                                           selected nodes. */ exports.getSelectedEdges = function { var idArray = []; if (this.constants.selectable == true) { for (var edgeId in this.selectionObj.edges) { if (this.selectionObj.edges.hasOwnProperty(edgeId)) { idArray.push(edgeId); }     }    }    return idArray; };

/**  * select zero or more nodes DEPRICATED * @param {Number[] | String[]} selection    An array with the ids of the *                                           selected nodes. */ exports.setSelection = function { console.log("setSelection is deprecated. Please use selectNodes instead.") };

/**  * select zero or more nodes with the option to highlight edges * @param {Number[] | String[]} selection    An array with the ids of the *                                           selected nodes. * @param {boolean} [highlightEdges] */ exports.selectNodes = function(selection, highlightEdges) { var i, iMax, id;

if (!selection || (selection.length == undefined)) throw 'Selection must be an array with ids';

// first unselect any selected node this._unselectAll(true);

for (i = 0, iMax = selection.length; i < iMax; i++) { id = selection[i];

var node = this.nodes[id]; if (!node) { throw new RangeError('Node with id "' + id + '" not found'); }     this._selectObject(node,true,true,highlightEdges,true); }   this.redraw; };

/**  * select zero or more edges * @param {Number[] | String[]} selection    An array with the ids of the *                                           selected nodes. */ exports.selectEdges = function(selection) { var i, iMax, id;

if (!selection || (selection.length == undefined)) throw 'Selection must be an array with ids';

// first unselect any selected node this._unselectAll(true);

for (i = 0, iMax = selection.length; i < iMax; i++) { id = selection[i];

var edge = this.edges[id]; if (!edge) { throw new RangeError('Edge with id "' + id + '" not found'); }     this._selectObject(edge,true,true,false,true); }   this.redraw; };

/**  * Validate the selection: remove ids of nodes which no longer exist * @private */ exports._updateSelection = function  { for(var nodeId in this.selectionObj.nodes) { if(this.selectionObj.nodes.hasOwnProperty(nodeId)) { if (!this.nodes.hasOwnProperty(nodeId)) { delete this.selectionObj.nodes[nodeId]; }     }    }    for(var edgeId in this.selectionObj.edges) { if(this.selectionObj.edges.hasOwnProperty(edgeId)) { if (!this.edges.hasOwnProperty(edgeId)) { delete this.selectionObj.edges[edgeId]; }     }    }  };

/***/ }, /* 64 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Node = __webpack_require__(40); var Edge = __webpack_require__(37); var Hammer = __webpack_require__(45);

/**  * clears the toolbar div element of children *  * @private */ exports._clearManipulatorBar = function { this._recursiveDOMDelete(this.manipulationDiv); this.manipulationDOM = {};

this._cleanManipulatorHammers;

this._manipulationReleaseOverload = function {}; delete this.sectors['support']['nodes']['targetNode']; delete this.sectors['support']['nodes']['targetViaNode']; this.controlNodesActive = false; this.freezeSimulation(false); };

exports._cleanManipulatorHammers = function { // clean hammer bindings if (this.manipulationHammers.length != 0) { for (var i = 0; i < this.manipulationHammers.length; i++) { this.manipulationHammers[i].dispose; }     this.manipulationHammers = []; } };

/**  * Manipulation UI temporarily overloads certain functions to extend or replace them. To be able to restore * these functions to their original functionality, we saved them in this.cachedFunctions. * This function restores these functions to their original function. *  * @private */ exports._restoreOverloadedFunctions = function { for (var functionName in this.cachedFunctions) { if (this.cachedFunctions.hasOwnProperty(functionName)) { this[functionName] = this.cachedFunctions[functionName]; delete this.cachedFunctions[functionName]; }   }  };

/**  * Enable or disable edit-mode. *  * @private */ exports._toggleEditMode = function { this.editMode = !this.editMode; var toolbar = this.manipulationDiv; var closeDiv = this.closeDiv; var editModeDiv = this.editModeDiv; if (this.editMode == true) { toolbar.style.display="block"; closeDiv.style.display="block"; editModeDiv.style.display="none"; this._bindHammerToDiv(closeDiv,'_toggleEditMode'); }   else { toolbar.style.display="none"; closeDiv.style.display="none"; editModeDiv.style.display="block"; }   this._createManipulatorBar };

/**  * main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar. *  * @private */ exports._createManipulatorBar = function { // remove bound functions if (this.boundFunction) { this.off('select', this.boundFunction); }

this._cleanManipulatorHammers;

var locale = this.constants.locales[this.constants.locale];

if (this.edgeBeingEdited !== undefined) { this.edgeBeingEdited._disableControlNodes; this.edgeBeingEdited = undefined; this.selectedControlNode = null; this.controlNodesActive = false; this._redraw; }

// restore overloaded functions this._restoreOverloadedFunctions;

// resume calculation this.freezeSimulation(false);

// reset global variables this.blockConnectingEdgeSelection = false; this.forceAppendSelection = false; this.manipulationDOM = {};

if (this.editMode == true) { while (this.manipulationDiv.hasChildNodes) { this.manipulationDiv.removeChild(this.manipulationDiv.firstChild); }

this.manipulationDOM['addNodeSpan'] = document.createElement('div'); this.manipulationDOM['addNodeSpan'].className = 'network-manipulationUI add';

this.manipulationDOM['addNodeLabelSpan'] = document.createElement('div'); this.manipulationDOM['addNodeLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['addNodeLabelSpan'].innerHTML = locale['addNode']; this.manipulationDOM['addNodeSpan'].appendChild(this.manipulationDOM['addNodeLabelSpan']);

this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine';

this.manipulationDOM['addEdgeSpan'] = document.createElement('div'); this.manipulationDOM['addEdgeSpan'].className = 'network-manipulationUI connect'; this.manipulationDOM['addEdgeLabelSpan'] = document.createElement('div'); this.manipulationDOM['addEdgeLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['addEdgeLabelSpan'].innerHTML = locale['addEdge']; this.manipulationDOM['addEdgeSpan'].appendChild(this.manipulationDOM['addEdgeLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['addNodeSpan']); this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); this.manipulationDiv.appendChild(this.manipulationDOM['addEdgeSpan']);

if (this._getSelectedNodeCount == 1 && this.triggerFunctions.edit) { this.manipulationDOM['seperatorLineDiv2'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv2'].className = 'network-seperatorLine';

this.manipulationDOM['editNodeSpan'] = document.createElement('div'); this.manipulationDOM['editNodeSpan'].className = 'network-manipulationUI edit node'; this.manipulationDOM['editNodeLabelSpan'] = document.createElement('div'); this.manipulationDOM['editNodeLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['editNodeLabelSpan'].innerHTML = locale['editNode']; this.manipulationDOM['editNodeSpan'].appendChild(this.manipulationDOM['editNodeLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv2']); this.manipulationDiv.appendChild(this.manipulationDOM['editNodeSpan']); }     else if (this._getSelectedEdgeCount == 1 && this._getSelectedNodeCount == 0) { this.manipulationDOM['seperatorLineDiv3'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv3'].className = 'network-seperatorLine';

this.manipulationDOM['editEdgeSpan'] = document.createElement('div'); this.manipulationDOM['editEdgeSpan'].className = 'network-manipulationUI edit edge'; this.manipulationDOM['editEdgeLabelSpan'] = document.createElement('div'); this.manipulationDOM['editEdgeLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['editEdgeLabelSpan'].innerHTML = locale['editEdge']; this.manipulationDOM['editEdgeSpan'].appendChild(this.manipulationDOM['editEdgeLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv3']); this.manipulationDiv.appendChild(this.manipulationDOM['editEdgeSpan']); }     if (this._selectionIsEmpty == false) { this.manipulationDOM['seperatorLineDiv4'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv4'].className = 'network-seperatorLine';

this.manipulationDOM['deleteSpan'] = document.createElement('div'); this.manipulationDOM['deleteSpan'].className = 'network-manipulationUI delete'; this.manipulationDOM['deleteLabelSpan'] = document.createElement('div'); this.manipulationDOM['deleteLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['deleteLabelSpan'].innerHTML = locale['del']; this.manipulationDOM['deleteSpan'].appendChild(this.manipulationDOM['deleteLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv4']); this.manipulationDiv.appendChild(this.manipulationDOM['deleteSpan']); }

// bind the icons this._bindHammerToDiv(this.manipulationDOM['addNodeSpan'],'_createAddNodeToolbar'); this._bindHammerToDiv(this.manipulationDOM['addEdgeSpan'],'_createAddEdgeToolbar'); this._bindHammerToDiv(this.closeDiv,'_toggleEditMode');

if (this._getSelectedNodeCount == 1 && this.triggerFunctions.edit) { this._bindHammerToDiv(this.manipulationDOM['editNodeSpan'],'_editNode'); }     else if (this._getSelectedEdgeCount == 1 && this._getSelectedNodeCount == 0) { this._bindHammerToDiv(this.manipulationDOM['editEdgeSpan'],'_createEditEdgeToolbar'); }     if (this._selectionIsEmpty == false) { this._bindHammerToDiv(this.manipulationDOM['deleteSpan'],'_deleteSelected'); }

var me = this; this.boundFunction = me._createManipulatorBar; this.on('select', this.boundFunction); }   else { while (this.editModeDiv.hasChildNodes) { this.editModeDiv.removeChild(this.editModeDiv.firstChild); }

this.manipulationDOM['editModeSpan'] = document.createElement('div'); this.manipulationDOM['editModeSpan'].className = 'network-manipulationUI edit editmode'; this.manipulationDOM['editModeLabelSpan'] = document.createElement('div'); this.manipulationDOM['editModeLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['editModeLabelSpan'].innerHTML = locale['edit']; this.manipulationDOM['editModeSpan'].appendChild(this.manipulationDOM['editModeLabelSpan']);

this.editModeDiv.appendChild(this.manipulationDOM['editModeSpan']);

this._bindHammerToDiv(this.manipulationDOM['editModeSpan'],'_toggleEditMode'); } };

exports._bindHammerToDiv = function(domElement, funct) { var hammer = Hammer(domElement, {prevent_default: true}); hammer.on('touch', this[funct].bind(this)); this.manipulationHammers.push(hammer); }

/**  * Create the toolbar for adding Nodes *  * @private */ exports._createAddNodeToolbar = function { // clear the toolbar this._clearManipulatorBar; if (this.boundFunction) { this.off('select', this.boundFunction); }

var locale = this.constants.locales[this.constants.locale];

this.manipulationDOM = {}; this.manipulationDOM['backSpan'] = document.createElement('div'); this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; this.manipulationDOM['backLabelSpan'] = document.createElement('div'); this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']);

this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine';

this.manipulationDOM['descriptionSpan'] = document.createElement('div'); this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; this.manipulationDOM['descriptionLabelSpan'] = document.createElement('div'); this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['addDescription']; this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']);

// bind the icon this._bindHammerToDiv(this.manipulationDOM['backSpan'],'_createManipulatorBar');

// we use the boundFunction so we can reference it when we unbind it from the "select" event. var me = this; this.boundFunction = me._addNode; this.on('select', this.boundFunction); };

/**  * create the toolbar to connect nodes *  * @private */ exports._createAddEdgeToolbar = function { // clear the toolbar this._clearManipulatorBar; this._unselectAll(true); this.freezeSimulation(true);

if (this.boundFunction) { this.off('select', this.boundFunction); }

var locale = this.constants.locales[this.constants.locale];

this._unselectAll; this.forceAppendSelection = false; this.blockConnectingEdgeSelection = true;

this.manipulationDOM = {}; this.manipulationDOM['backSpan'] = document.createElement('div'); this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; this.manipulationDOM['backLabelSpan'] = document.createElement('div'); this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']);

this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine';

this.manipulationDOM['descriptionSpan'] = document.createElement('div'); this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; this.manipulationDOM['descriptionLabelSpan'] = document.createElement('div'); this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['edgeDescription']; this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']);

// bind the icon this._bindHammerToDiv(this.manipulationDOM['backSpan'],'_createManipulatorBar');

// we use the boundFunction so we can reference it when we unbind it from the "select" event. var me = this; this.boundFunction = me._handleConnect; this.on('select', this.boundFunction);

// temporarily overload functions this.cachedFunctions["_handleTouch"] = this._handleTouch; this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; this.cachedFunctions["_handleDragStart"] = this._handleDragStart; this.cachedFunctions["_handleDragEnd"] = this._handleDragEnd; this.cachedFunctions["_handleOnHold"] = this._handleOnHold; this._handleTouch = this._handleConnect; this._manipulationReleaseOverload = function {}; this._handleOnHold   = function  {}; this._handleDragStart = function {}; this._handleDragEnd  = this._finishConnect;

// redraw to show the unselect this._redraw; };

/**  * create the toolbar to edit edges *  * @private */ exports._createEditEdgeToolbar = function { // clear the toolbar this._clearManipulatorBar; this.controlNodesActive = true;

if (this.boundFunction) { this.off('select', this.boundFunction); }

this.edgeBeingEdited = this._getSelectedEdge; this.edgeBeingEdited._enableControlNodes;

var locale = this.constants.locales[this.constants.locale];

this.manipulationDOM = {}; this.manipulationDOM['backSpan'] = document.createElement('div'); this.manipulationDOM['backSpan'].className = 'network-manipulationUI back'; this.manipulationDOM['backLabelSpan'] = document.createElement('div'); this.manipulationDOM['backLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['backLabelSpan'].innerHTML = locale['back']; this.manipulationDOM['backSpan'].appendChild(this.manipulationDOM['backLabelSpan']);

this.manipulationDOM['seperatorLineDiv1'] = document.createElement('div'); this.manipulationDOM['seperatorLineDiv1'].className = 'network-seperatorLine';

this.manipulationDOM['descriptionSpan'] = document.createElement('div'); this.manipulationDOM['descriptionSpan'].className = 'network-manipulationUI none'; this.manipulationDOM['descriptionLabelSpan'] = document.createElement('div'); this.manipulationDOM['descriptionLabelSpan'].className = 'network-manipulationLabel'; this.manipulationDOM['descriptionLabelSpan'].innerHTML = locale['editEdgeDescription']; this.manipulationDOM['descriptionSpan'].appendChild(this.manipulationDOM['descriptionLabelSpan']);

this.manipulationDiv.appendChild(this.manipulationDOM['backSpan']); this.manipulationDiv.appendChild(this.manipulationDOM['seperatorLineDiv1']); this.manipulationDiv.appendChild(this.manipulationDOM['descriptionSpan']);

// bind the icon this._bindHammerToDiv(this.manipulationDOM['backSpan'],'_createManipulatorBar');

// temporarily overload functions this.cachedFunctions["_handleTouch"]     = this._handleTouch; this.cachedFunctions["_manipulationReleaseOverload"] = this._manipulationReleaseOverload; this.cachedFunctions["_handleTap"]       = this._handleTap; this.cachedFunctions["_handleDragStart"] = this._handleDragStart; this.cachedFunctions["_handleOnDrag"]    = this._handleOnDrag; this._handleTouch    = this._selectControlNode; this._handleTap      = function  {}; this._handleOnDrag   = this._controlNodeDrag; this._handleDragStart = function {} this._manipulationReleaseOverload = this._releaseControlNode;

// redraw to show the unselect this._redraw; };

/**  * the function bound to the selection event. It checks if you want to connect a cluster and changes the description * to walk the user through the process. *  * @private */ exports._selectControlNode = function(pointer) { this.edgeBeingEdited.controlNodes.from.unselect; this.edgeBeingEdited.controlNodes.to.unselect; this.selectedControlNode = this.edgeBeingEdited._getSelectedControlNode(this._XconvertDOMtoCanvas(pointer.x),this._YconvertDOMtoCanvas(pointer.y)); if (this.selectedControlNode !== null) { this.selectedControlNode.select; this.freezeSimulation(true); }   this._redraw; };

/**  * the function bound to the selection event. It checks if you want to connect a cluster and changes the description * to walk the user through the process. *  * @private */ exports._controlNodeDrag = function(event) { var pointer = this._getPointer(event.gesture.center); if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) { this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x); this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y); }   this._redraw; };

/**  *   * @param pointer * @private */ exports._releaseControlNode = function(pointer) { var newNode = this._getNodeAt(pointer); if (newNode !== null) { if (this.edgeBeingEdited.controlNodes.from.selected == true) { this.edgeBeingEdited._restoreControlNodes; this._editEdge(newNode.id, this.edgeBeingEdited.to.id); this.edgeBeingEdited.controlNodes.from.unselect; }     if (this.edgeBeingEdited.controlNodes.to.selected == true) { this.edgeBeingEdited._restoreControlNodes; this._editEdge(this.edgeBeingEdited.from.id, newNode.id); this.edgeBeingEdited.controlNodes.to.unselect; }   }    else { this.edgeBeingEdited._restoreControlNodes; }   this.freezeSimulation(false); this._redraw; };

/**  * the function bound to the selection event. It checks if you want to connect a cluster and changes the description * to walk the user through the process. *  * @private */ exports._handleConnect = function(pointer) { if (this._getSelectedNodeCount == 0) { var node = this._getNodeAt(pointer);

if (node != null) { if (node.clusterSize > 1) { alert(this.constants.locales[this.constants.locale]['createEdgeError']) }       else { this._selectObject(node,false); var supportNodes = this.sectors['support']['nodes'];

// create a node the temporary line can look at         supportNodes['targetNode'] = new Node({id:'targetNode'},{},{},this.constants); var targetNode = supportNodes['targetNode']; targetNode.x = node.x;         targetNode.y = node.y;

// create a temporary edge this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:targetNode.id}, this, this.constants); var connectionEdge = this.edges['connectionEdge']; connectionEdge.from = node; connectionEdge.connected = true; connectionEdge.options.smoothCurves = {enabled: true, dynamic: false, type: "continuous", roundness: 0.5 };         connectionEdge.selected = true; connectionEdge.to = targetNode;

this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag; var me = this; this._handleOnDrag = function(event) { var pointer = this._getPointer(event.gesture.center); var connectionEdge = me.edges['connectionEdge']; connectionEdge.to.x = me._XconvertDOMtoCanvas(pointer.x); connectionEdge.to.y = me._YconvertDOMtoCanvas(pointer.y); me._redraw; };

this.moving = true; this.start; }     }    }  };

exports._finishConnect = function(event) { if (this._getSelectedNodeCount == 1) { var pointer = this._getPointer(event.gesture.center); // restore the drag function this._handleOnDrag = this.cachedFunctions["_handleOnDrag"]; delete this.cachedFunctions["_handleOnDrag"];

// remember the edge id     var connectFromId = this.edges['connectionEdge'].fromId;

// remove the temporary nodes and edge delete this.edges['connectionEdge']; delete this.sectors['support']['nodes']['targetNode']; delete this.sectors['support']['nodes']['targetViaNode'];

var node = this._getNodeAt(pointer); if (node != null) { if (node.clusterSize > 1) { alert(this.constants.locales[this.constants.locale]["createEdgeError"]) }       else { this._createEdge(connectFromId,node.id); this._createManipulatorBar; }     }      this._unselectAll; } };

/**  * Adds a node on the specified location */ exports._addNode = function { if (this._selectionIsEmpty && this.editMode == true) { var positionObject = this._pointerToPositionObject(this.pointerPosition); var defaultData = {id:util.randomUUID,x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true}; if (this.triggerFunctions.add) { if (this.triggerFunctions.add.length == 2) { var me = this; this.triggerFunctions.add(defaultData, function(finalizedData) {           me.nodesData.add(finalizedData);            me._createManipulatorBar;            me.moving = true;            me.start;          }); }       else { throw new Error('The function for add does not support two arguments (data,callback)'); this._createManipulatorBar; this.moving = true; this.start; }     }      else { this.nodesData.add(defaultData); this._createManipulatorBar; this.moving = true; this.start; }   }  };

/**  * connect two nodes with a new edge. *  * @private */ exports._createEdge = function(sourceNodeId,targetNodeId) { if (this.editMode == true) { var defaultData = {from:sourceNodeId, to:targetNodeId}; if (this.triggerFunctions.connect) { if (this.triggerFunctions.connect.length == 2) { var me = this; this.triggerFunctions.connect(defaultData, function(finalizedData) {           me.edgesData.add(finalizedData);            me.moving = true;            me.start;          }); }       else { throw new Error('The function for connect does not support two arguments (data,callback)'); this.moving = true; this.start; }     }      else { this.edgesData.add(defaultData); this.moving = true; this.start; }   }  };

/**  * connect two nodes with a new edge. *  * @private */ exports._editEdge = function(sourceNodeId,targetNodeId) { if (this.editMode == true) { var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId}; if (this.triggerFunctions.editEdge) { if (this.triggerFunctions.editEdge.length == 2) { var me = this; this.triggerFunctions.editEdge(defaultData, function(finalizedData) {           me.edgesData.update(finalizedData);            me.moving = true;            me.start;          }); }       else { throw new Error('The function for edit does not support two arguments (data, callback)'); this.moving = true; this.start; }     }      else { this.edgesData.update(defaultData); this.moving = true; this.start; }   }  };

/**  * Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color. *  * @private */ exports._editNode = function { if (this.triggerFunctions.edit && this.editMode == true) { var node = this._getSelectedNode; var data = {id:node.id, label: node.label, group: node.options.group, shape: node.options.shape, color: { background:node.options.color.background, border:node.options.color.border, highlight: { background:node.options.color.highlight.background, border:node.options.color.highlight.border }       }};      if (this.triggerFunctions.edit.length == 2) { var me = this; this.triggerFunctions.edit(data, function (finalizedData) {         me.nodesData.update(finalizedData);          me._createManipulatorBar;          me.moving = true;          me.start;        }); }     else { throw new Error('The function for edit does not support two arguments (data, callback)'); }   }    else { throw new Error('No edit function has been bound to this button'); } };

/**  * delete everything in the selection *  * @private */ exports._deleteSelected = function { if (!this._selectionIsEmpty && this.editMode == true) { if (!this._clusterInSelection) { var selectedNodes = this.getSelectedNodes; var selectedEdges = this.getSelectedEdges; if (this.triggerFunctions.del) { var me = this; var data = {nodes: selectedNodes, edges: selectedEdges}; if (this.triggerFunctions.del.length == 2) { this.triggerFunctions.del(data, function (finalizedData) {             me.edgesData.remove(finalizedData.edges);              me.nodesData.remove(finalizedData.nodes);              me._unselectAll;              me.moving = true;              me.start;            }); }         else { throw new Error('The function for delete does not support two arguments (data, callback)') }       }        else { this.edgesData.remove(selectedEdges); this.nodesData.remove(selectedNodes); this._unselectAll; this.moving = true; this.start; }     }      else { alert(this.constants.locales[this.constants.locale]["deleteClusterError"]); }   }  };

/***/ }, /* 65 */ /***/ function(module, exports, __webpack_require__) {

var util = __webpack_require__(1); var Hammer = __webpack_require__(45);

exports._cleanNavigation = function { // clean hammer bindings if (this.navigationHammers.length != 0) { for (var i = 0; i < this.navigationHammers.length; i++) { this.navigationHammers[i].dispose; }     this.navigationHammers = []; }

this._navigationReleaseOverload = function {};

// clean up previous navigation items if (this.navigationDOM && this.navigationDOM['wrapper'] && this.navigationDOM['wrapper'].parentNode) { this.navigationDOM['wrapper'].parentNode.removeChild(this.navigationDOM['wrapper']); } };

/**  * Creation of the navigation controls nodes. They are drawn over the rest of the nodes and are not affected by scale and translation * they have a triggerFunction which is called on click. If the position of the navigation controls is dependent * on this.frame.canvas.clientWidth or this.frame.canvas.clientHeight, we flag horizontalAlignLeft and verticalAlignTop false. * This means that the location will be corrected by the _relocateNavigation function on a size change of the canvas. *  * @private */ exports._loadNavigationElements = function { this._cleanNavigation;

this.navigationDOM = {}; var navigationDivs = ['up','down','left','right','zoomIn','zoomOut','zoomExtends']; var navigationDivActions = ['_moveUp','_moveDown','_moveLeft','_moveRight','_zoomIn','_zoomOut','_zoomExtent'];

this.navigationDOM['wrapper'] = document.createElement('div'); this.frame.appendChild(this.navigationDOM['wrapper']);

for (var i = 0; i < navigationDivs.length; i++) { this.navigationDOM[navigationDivs[i]] = document.createElement('div'); this.navigationDOM[navigationDivs[i]].className = 'network-navigation ' + navigationDivs[i]; this.navigationDOM['wrapper'].appendChild(this.navigationDOM[navigationDivs[i]]);

var hammer = Hammer(this.navigationDOM[navigationDivs[i]], {prevent_default: true}); hammer.on('touch', this[navigationDivActions[i]].bind(this)); this.navigationHammers.push(hammer); }

this._navigationReleaseOverload = this._stopMovement;

};

/**  * this stops all movement induced by the navigation buttons *  * @private */ exports._zoomExtent = function(event) { this.zoomExtent({duration:700}); event.stopPropagation; };

/**  * this stops all movement induced by the navigation buttons *  * @private */ exports._stopMovement = function { this._xStopMoving; this._yStopMoving; this._stopZoom; };

/**  * move the screen up   * By using the increments, instead of adding a fixed number to the translation, we keep fluent and * instant movement. The onKeypress event triggers immediately, then pauses, then triggers frequently * To avoid this behaviour, we do the translation in the start loop. *  * @private */ exports._moveUp = function(event) { this.yIncrement = this.constants.keyboard.speed.y;   this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * move the screen down * @private */ exports._moveDown = function(event) { this.yIncrement = -this.constants.keyboard.speed.y;   this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * move the screen left * @private */ exports._moveLeft = function(event) { this.xIncrement = this.constants.keyboard.speed.x;   this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * move the screen right * @private */ exports._moveRight = function(event) { this.xIncrement = -this.constants.keyboard.speed.y;   this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * Zoom in, using the same method as the movement. * @private */ exports._zoomIn = function(event) { this.zoomIncrement = this.constants.keyboard.speed.zoom; this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * Zoom out * @private */ exports._zoomOut = function(event) { this.zoomIncrement = -this.constants.keyboard.speed.zoom; this.start; // if there is no node movement, the calculation wont be done event.preventDefault; };

/**  * Stop zooming and unhighlight the zoom controls * @private */ exports._stopZoom = function(event) { this.zoomIncrement = 0; event && event.preventDefault; };

/**  * Stop moving in the Y direction and unHighlight the up and down * @private */ exports._yStopMoving = function(event) { this.yIncrement = 0; event && event.preventDefault; };

/**  * Stop moving in the X direction and unHighlight left and right. * @private */ exports._xStopMoving = function(event) { this.xIncrement = 0; event && event.preventDefault; };

/***/ }, /* 66 */ /***/ function(module, exports, __webpack_require__) {

exports._resetLevels = function { for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { var node = this.nodes[nodeId]; if (node.preassignedLevel == false) { node.level = -1; node.hierarchyEnumerated = false; }     }    }  };

/**  * This is the main function to layout the nodes in a hierarchical way. * It checks if the node details are supplied correctly *  * @private */ exports._setupHierarchicalLayout = function { if (this.constants.hierarchicalLayout.enabled == true && this.nodeIndices.length > 0) { // get the size of the largest hubs and check if the user has defined a level for a node. var hubsize = 0; var node, nodeId; var definedLevel = false; var undefinedLevel = false;

for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; if (node.level != -1) { definedLevel = true; }         else { undefinedLevel = true; }         if (hubsize < node.edges.length) { hubsize = node.edges.length; }       }      }

// if the user defined some levels but not all, alert and run without hierarchical layout if (undefinedLevel == true && definedLevel == true) { throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes."); this.zoomExtent({duration:0},true,this.constants.clustering.enabled); if (!this.constants.clustering.enabled) { this.start; }     }      else { // setup the system to use hierarchical method. this._changeConstants;

// define levels if undefined by the users. Based on hubsize if (undefinedLevel == true) { if (this.constants.hierarchicalLayout.layout == "hubsize") { this._determineLevels(hubsize); }         else { this._determineLevelsDirected(false); }

}       // check the distribution of the nodes per level. var distribution = this._getDistribution;

// place the nodes on the canvas. This also stablilizes the system. this._placeNodesByHierarchy(distribution);

// start the simulation. this.start; }   }  };

/**  * This function places the nodes on the canvas based on the hierarchial distribution. *  * @param {Object} distribution | obtained by the function this._getDistribution * @private */ exports._placeNodesByHierarchy = function(distribution) { var nodeId, node;

// start placing all the level 0 nodes first. Then recursively position their branches. for (var level in distribution) { if (distribution.hasOwnProperty(level)) {

for (nodeId in distribution[level].nodes) { if (distribution[level].nodes.hasOwnProperty(nodeId)) { node = distribution[level].nodes[nodeId]; if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { if (node.xFixed) { node.x = distribution[level].minPos; node.xFixed = false;

distribution[level].minPos += distribution[level].nodeSpacing; }           }            else { if (node.yFixed) { node.y = distribution[level].minPos; node.yFixed = false;

distribution[level].minPos += distribution[level].nodeSpacing; }           }            this._placeBranchNodes(node.edges,node.id,distribution,node.level); }       }      }    }

// stabilize the system after positioning. This function calls zoomExtent. this._stabilize; };

/**  * This function get the distribution of levels based on hubsize *  * @returns {Object} * @private */ exports._getDistribution = function { var distribution = {}; var nodeId, node, level;

// we fix Y because the hierarchy is vertical, we fix X so we do not give a node an x position for a second time. // the fix of X is removed after the x value has been set. for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; node.xFixed = true; node.yFixed = true; if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { node.y = this.constants.hierarchicalLayout.levelSeparation*node.level; }       else { node.x = this.constants.hierarchicalLayout.levelSeparation*node.level; }       if (distribution[node.level] === undefined) { distribution[node.level] = {amount: 0, nodes: {}, minPos:0, nodeSpacing:0}; }       distribution[node.level].amount += 1; distribution[node.level].nodes[nodeId] = node; }   }

// determine the largest amount of nodes of all levels var maxCount = 0; for (level in distribution) { if (distribution.hasOwnProperty(level)) { if (maxCount < distribution[level].amount) { maxCount = distribution[level].amount; }     }    }

// set the initial position and spacing of each nodes accordingly for (level in distribution) { if (distribution.hasOwnProperty(level)) { distribution[level].nodeSpacing = (maxCount + 1) * this.constants.hierarchicalLayout.nodeSpacing; distribution[level].nodeSpacing /= (distribution[level].amount + 1); distribution[level].minPos = distribution[level].nodeSpacing - (0.5 * (distribution[level].amount + 1) * distribution[level].nodeSpacing); }   }

return distribution; };

/**  * this function allocates nodes in levels based on the recursive branching from the largest hubs. *  * @param hubsize * @private */ exports._determineLevels = function(hubsize) { var nodeId, node;

// determine hubs for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; if (node.edges.length == hubsize) { node.level = 0; }     }    }

// branch from hubs for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; if (node.level == 0) { this._setLevel(1,node.edges,node.id); }     }    }  };

/**  * this function allocates nodes in levels based on the direction of the edges *  * @param hubsize * @private */ exports._determineLevelsDirected = function { var nodeId, node, firstNode; var minLevel = 10000;

// set first node to source firstNode = this.nodes[this.nodeIndices[0]]; firstNode.level = minLevel; this._setLevelDirected(minLevel,firstNode.edges,firstNode.id);

// get the minimum level for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; minLevel = node.level < minLevel ? node.level : minLevel; }   }

// subtract the minimum from the set so we have a range starting from 0 for (nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { node = this.nodes[nodeId]; node.level -= minLevel; }   }  };

/**  * Since hierarchical layout does not support: *   - smooth curves (based on the physics), *   - clustering (based on dynamic node counts) *  * We disable both features so there will be no problems. *  * @private */ exports._changeConstants = function { this.constants.clustering.enabled = false; this.constants.physics.barnesHut.enabled = false; this.constants.physics.hierarchicalRepulsion.enabled = true; this._loadSelectedForceSolver; if (this.constants.smoothCurves.enabled == true) { this.constants.smoothCurves.dynamic = false; }   this._configureSmoothCurves;

var config = this.constants.hierarchicalLayout; config.levelSeparation = Math.abs(config.levelSeparation); if (config.direction == "RL" || config.direction == "DU") { config.levelSeparation *= -1; }

if (config.direction == "RL" || config.direction == "LR") { if (this.constants.smoothCurves.enabled == true) { this.constants.smoothCurves.type = "vertical"; }   }    else { if (this.constants.smoothCurves.enabled == true) { this.constants.smoothCurves.type = "horizontal"; }   }  };

/**  * This is a recursively called function to enumerate the branches from the largest hubs and place the nodes * on a X position that ensures there will be no overlap. *  * @param edges * @param parentId * @param distribution * @param parentLevel * @private */ exports._placeBranchNodes = function(edges, parentId, distribution, parentLevel) { for (var i = 0; i < edges.length; i++) { var childNode = null; if (edges[i].toId == parentId) { childNode = edges[i].from; }     else { childNode = edges[i].to; }

// if a node is conneceted to another node on the same level (or higher (means lower level))!, this is not handled here. var nodeMoved = false; if (this.constants.hierarchicalLayout.direction == "UD" || this.constants.hierarchicalLayout.direction == "DU") { if (childNode.xFixed && childNode.level > parentLevel) { childNode.xFixed = false; childNode.x = distribution[childNode.level].minPos; nodeMoved = true; }     }      else { if (childNode.yFixed && childNode.level > parentLevel) { childNode.yFixed = false; childNode.y = distribution[childNode.level].minPos; nodeMoved = true; }     }

if (nodeMoved == true) { distribution[childNode.level].minPos += distribution[childNode.level].nodeSpacing; if (childNode.edges.length > 1) { this._placeBranchNodes(childNode.edges,childNode.id,distribution,childNode.level); }     }    }  };

/**  * this function is called recursively to enumerate the barnches of the largest hubs and give each node a level. *  * @param level * @param edges * @param parentId * @private */ exports._setLevel = function(level, edges, parentId) { for (var i = 0; i < edges.length; i++) { var childNode = null; if (edges[i].toId == parentId) { childNode = edges[i].from; }     else { childNode = edges[i].to; }     if (childNode.level == -1 || childNode.level > level) { childNode.level = level; if (childNode.edges.length > 1) { this._setLevel(level+1, childNode.edges, childNode.id); }     }    }  };

/**  * this function is called recursively to enumerate the branched of the first node and give each node a level based on edge direction *  * @param level * @param edges * @param parentId * @private */ exports._setLevelDirected = function(level, edges, parentId) { this.nodes[parentId].hierarchyEnumerated = true; var childNode, direction; for (var i = 0; i < edges.length; i++) { direction = 1; if (edges[i].toId == parentId) { childNode = edges[i].from; direction = -1; }     else { childNode = edges[i].to; }     if (childNode.level == -1) { childNode.level = level + direction; }   }

for (var i = 0; i < edges.length; i++) { if (edges[i].toId == parentId) {childNode = edges[i].from;} else {childNode = edges[i].to;}

if (childNode.edges.length > 1 && childNode.hierarchyEnumerated === false) { this._setLevelDirected(childNode.level, childNode.edges, childNode.id); }   }  };

/**  * Unfix nodes *  * @private */ exports._restoreNodes = function { for (var nodeId in this.nodes) { if (this.nodes.hasOwnProperty(nodeId)) { this.nodes[nodeId].xFixed = false; this.nodes[nodeId].yFixed = false; }   }  };

/***/ }, /* 67 */ /***/ function(module, exports, __webpack_require__) {

function webpackContext(req) { throw new Error("Cannot find module '" + req + "'."); } webpackContext.keys = function { return []; }; webpackContext.resolve = webpackContext; module.exports = webpackContext; webpackContext.id = 67;

/***/ }, /* 68 */ /***/ function(module, exports, __webpack_require__) {

/**  * Calculate the forces the nodes apply on each other based on a repulsion field. * This field is linearly approximated. *  * @private */ exports._calculateNodeForces = function  { var dx, dy, angle, distance, fx, fy, combinedClusterSize, repulsingForce, node1, node2, i, j;

var nodes = this.calculationNodes; var nodeIndices = this.calculationNodeIndices;

// approximation constants var a_base = -2 / 3; var b = 4 / 3;

// repulsing forces between nodes var nodeDistance = this.constants.physics.repulsion.nodeDistance; var minimumDistance = nodeDistance;

// we loop from i over all but the last entree in the array // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j   for (i = 0; i < nodeIndices.length - 1; i++) { node1 = nodes[nodeIndices[i]]; for (j = i + 1; j < nodeIndices.length; j++) { node2 = nodes[nodeIndices[j]]; combinedClusterSize = node1.clusterSize + node2.clusterSize - 2;

dx = node2.x - node1.x;       dy = node2.y - node1.y;        distance = Math.sqrt(dx * dx + dy * dy);

// same condition as BarnesHut, making sure nodes are never 100% overlapping. if (distance == 0) { distance = 0.1*Math.random; dx = distance; }

minimumDistance = (combinedClusterSize == 0) ? nodeDistance : (nodeDistance * (1 + combinedClusterSize * this.constants.clustering.distanceAmplification)); var a = a_base / minimumDistance; if (distance < 2 * minimumDistance) { if (distance < 0.5 * minimumDistance) { repulsingForce = 1.0; }         else { repulsingForce = a * distance + b; // linear approx of 1 / (1 + Math.exp((distance / minimumDistance - 1) * steepness)) }

// amplify the repulsion for clusters. repulsingForce *= (combinedClusterSize == 0) ? 1 : 1 + combinedClusterSize * this.constants.clustering.forceAmplification; repulsingForce = repulsingForce / Math.max(distance,0.01*minimumDistance);

fx = dx * repulsingForce; fy = dy * repulsingForce; node1.fx -= fx; node1.fy -= fy; node2.fx += fx; node2.fy += fy;

}     }    }  };

/***/ }, /* 69 */ /***/ function(module, exports, __webpack_require__) {

/**  * Calculate the forces the nodes apply on eachother based on a repulsion field. * This field is linearly approximated. *  * @private */ exports._calculateNodeForces = function  { var dx, dy, distance, fx, fy, repulsingForce, node1, node2, i, j;

var nodes = this.calculationNodes; var nodeIndices = this.calculationNodeIndices;

// repulsing forces between nodes var nodeDistance = this.constants.physics.hierarchicalRepulsion.nodeDistance;

// we loop from i over all but the last entree in the array // j loops from i+1 to the last. This way we do not double count any of the indices, nor i == j   for (i = 0; i < nodeIndices.length - 1; i++) { node1 = nodes[nodeIndices[i]]; for (j = i + 1; j < nodeIndices.length; j++) { node2 = nodes[nodeIndices[j]];

// nodes only affect nodes on their level if (node1.level == node2.level) {

dx = node2.x - node1.x;         dy = node2.y - node1.y;          distance = Math.sqrt(dx * dx + dy * dy);

var steepness = 0.05; if (distance < nodeDistance) { repulsingForce = -Math.pow(steepness*distance,2) + Math.pow(steepness*nodeDistance,2); }         else { repulsingForce = 0; }           // normalize force with if (distance == 0) { distance = 0.01; }           else { repulsingForce = repulsingForce / distance; }           fx = dx * repulsingForce; fy = dy * repulsingForce;

node1.fx -= fx; node1.fy -= fy; node2.fx += fx; node2.fy += fy; }     }    }  };

/**  * this function calculates the effects of the springs in the case of unsmooth curves. *  * @private */ exports._calculateHierarchicalSpringForces = function  { var edgeLength, edge, edgeId; var dx, dy, fx, fy, springForce, distance; var edges = this.edges;

var nodes = this.calculationNodes; var nodeIndices = this.calculationNodeIndices;

for (var i = 0; i < nodeIndices.length; i++) { var node1 = nodes[nodeIndices[i]]; node1.springFx = 0; node1.springFy = 0; }

// forces caused by the edges, modelled as springs for (edgeId in edges) { if (edges.hasOwnProperty(edgeId)) { edge = edges[edgeId]; if (edge.connected) { // only calculate forces if nodes are in the same sector if (this.nodes.hasOwnProperty(edge.toId) && this.nodes.hasOwnProperty(edge.fromId)) { edgeLength = edge.physics.springLength; // this implies that the edges between big clusters are longer edgeLength += (edge.to.clusterSize + edge.from.clusterSize - 2) * this.constants.clustering.edgeGrowth;

dx = (edge.from.x - edge.to.x); dy = (edge.from.y - edge.to.y); distance = Math.sqrt(dx * dx + dy * dy);

if (distance == 0) { distance = 0.01; }

// the 1/distance is so the fx and fy can be calculated without sine or cosine. springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance;

fx = dx * springForce; fy = dy * springForce;

if (edge.to.level != edge.from.level) { edge.to.springFx -= fx; edge.to.springFy -= fy; edge.from.springFx += fx; edge.from.springFy += fy; }           else { var factor = 0.5; edge.to.fx -= factor*fx; edge.to.fy -= factor*fy; edge.from.fx += factor*fx; edge.from.fy += factor*fy; }         }        }      }    }

// normalize spring forces var springForce = 1; var springFx, springFy; for (i = 0; i < nodeIndices.length; i++) { var node = nodes[nodeIndices[i]]; springFx = Math.min(springForce,Math.max(-springForce,node.springFx)); springFy = Math.min(springForce,Math.max(-springForce,node.springFy));

node.fx += springFx; node.fy += springFy; }

// retain energy balance var totalFx = 0; var totalFy = 0; for (i = 0; i < nodeIndices.length; i++) { var node = nodes[nodeIndices[i]]; totalFx += node.fx; totalFy += node.fy; }   var correctionFx = totalFx / nodeIndices.length; var correctionFy = totalFy / nodeIndices.length;

for (i = 0; i < nodeIndices.length; i++) { var node = nodes[nodeIndices[i]]; node.fx -= correctionFx; node.fy -= correctionFy; }

};

/***/ }, /* 70 */ /***/ function(module, exports, __webpack_require__) {

/**  * This function calculates the forces the nodes apply on eachother based on a gravitational model. * The Barnes Hut method is used to speed up this N-body simulation. *  * @private */ exports._calculateNodeForces = function { if (this.constants.physics.barnesHut.gravitationalConstant != 0) { var node; var nodes = this.calculationNodes; var nodeIndices = this.calculationNodeIndices; var nodeCount = nodeIndices.length;

this._formBarnesHutTree(nodes,nodeIndices);

var barnesHutTree = this.barnesHutTree;

// place the nodes one by one recursively for (var i = 0; i < nodeCount; i++) { node = nodes[nodeIndices[i]]; if (node.options.mass > 0) { // starting with root is irrelevant, it never passes the BarnesHut condition this._getForceContribution(barnesHutTree.root.children.NW,node); this._getForceContribution(barnesHutTree.root.children.NE,node); this._getForceContribution(barnesHutTree.root.children.SW,node); this._getForceContribution(barnesHutTree.root.children.SE,node); }     }    }  };

/**  * This function traverses the barnesHutTree. It checks when it can approximate distant nodes with their center of mass. * If a region contains a single node, we check if it is not itself, then we apply the force. *  * @param parentBranch * @param node * @private */ exports._getForceContribution = function(parentBranch,node) { // we get no force contribution from an empty region if (parentBranch.childrenCount > 0) { var dx,dy,distance;

// get the distance from the center of mass to the node. dx = parentBranch.centerOfMass.x - node.x;     dy = parentBranch.centerOfMass.y - node.y;      distance = Math.sqrt(dx * dx + dy * dy);

// BarnesHut condition // original condition : s/d < thetaInverted = passed ===  d/s > 1/theta = passed // calcSize = 1/s --> d * 1/s > 1/theta = passed if (distance * parentBranch.calcSize > this.constants.physics.barnesHut.thetaInverted) { // duplicate code to reduce function calls to speed up program if (distance == 0) { distance = 0.1*Math.random; dx = distance; }       var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); var fx = dx * gravityForce; var fy = dy * gravityForce; node.fx += fx; node.fy += fy; }     else { // Did not pass the condition, go into children if available if (parentBranch.childrenCount == 4) { this._getForceContribution(parentBranch.children.NW,node); this._getForceContribution(parentBranch.children.NE,node); this._getForceContribution(parentBranch.children.SW,node); this._getForceContribution(parentBranch.children.SE,node); }       else { // parentBranch must have only one node, if it was empty we wouldnt be here if (parentBranch.children.data.id != node.id) { // if it is not self // duplicate code to reduce function calls to speed up program if (distance == 0) { distance = 0.5*Math.random; dx = distance; }           var gravityForce = this.constants.physics.barnesHut.gravitationalConstant * parentBranch.mass * node.options.mass / (distance * distance * distance); var fx = dx * gravityForce; var fy = dy * gravityForce; node.fx += fx; node.fy += fy; }       }      }    }  };

/**  * This function constructs the barnesHut tree recursively. It creates the root, splits it and starts placing the nodes. *  * @param nodes * @param nodeIndices * @private */ exports._formBarnesHutTree = function(nodes,nodeIndices) { var node; var nodeCount = nodeIndices.length;

var minX = Number.MAX_VALUE, minY = Number.MAX_VALUE, maxX =-Number.MAX_VALUE, maxY =-Number.MAX_VALUE;

// get the range of the nodes for (var i = 0; i < nodeCount; i++) { var x = nodes[nodeIndices[i]].x;     var y = nodes[nodeIndices[i]].y;      if (nodes[nodeIndices[i]].options.mass > 0) { if (x < minX) { minX = x; } if (x > maxX) { maxX = x; } if (y < minY) { minY = y; } if (y > maxY) { maxY = y; } }   }    // make the range a square var sizeDiff = Math.abs(maxX - minX) - Math.abs(maxY - minY); // difference between X and Y   if (sizeDiff > 0) {minY -= 0.5 * sizeDiff; maxY += 0.5 * sizeDiff;} // xSize > ySize else             {minX += 0.5 * sizeDiff; maxX -= 0.5 * sizeDiff;} // xSize < ySize

var minimumTreeSize = 1e-5; var rootSize = Math.max(minimumTreeSize,Math.abs(maxX - minX)); var halfRootSize = 0.5 * rootSize; var centerX = 0.5 * (minX + maxX), centerY = 0.5 * (minY + maxY);

// construct the barnesHutTree var barnesHutTree = { root:{ centerOfMass: {x:0, y:0}, mass:0, range: { minX: centerX-halfRootSize,maxX:centerX+halfRootSize, minY: centerY-halfRootSize,maxY:centerY+halfRootSize },       size: rootSize, calcSize: 1 / rootSize, children: { data:null}, maxWidth: 0, level: 0, childrenCount: 4 }   };    this._splitBranch(barnesHutTree.root);

// place the nodes one by one recursively for (i = 0; i < nodeCount; i++) { node = nodes[nodeIndices[i]]; if (node.options.mass > 0) { this._placeInTree(barnesHutTree.root,node); }   }

// make global this.barnesHutTree = barnesHutTree };

/**  * this updates the mass of a branch. this is increased by adding a node. *  * @param parentBranch * @param node * @private */ exports._updateBranchMass = function(parentBranch, node) { var totalMass = parentBranch.mass + node.options.mass; var totalMassInv = 1/totalMass;

parentBranch.centerOfMass.x = parentBranch.centerOfMass.x * parentBranch.mass + node.x * node.options.mass; parentBranch.centerOfMass.x *= totalMassInv;

parentBranch.centerOfMass.y = parentBranch.centerOfMass.y * parentBranch.mass + node.y * node.options.mass; parentBranch.centerOfMass.y *= totalMassInv;

parentBranch.mass = totalMass; var biggestSize = Math.max(Math.max(node.height,node.radius),node.width); parentBranch.maxWidth = (parentBranch.maxWidth < biggestSize) ? biggestSize : parentBranch.maxWidth;

};

/**  * determine in which branch the node will be placed. *  * @param parentBranch * @param node * @param skipMassUpdate * @private */ exports._placeInTree = function(parentBranch,node,skipMassUpdate) { if (skipMassUpdate != true || skipMassUpdate === undefined) { // update the mass of the branch. this._updateBranchMass(parentBranch,node); }

if (parentBranch.children.NW.range.maxX > node.x) { // in NW or SW     if (parentBranch.children.NW.range.maxY > node.y) { // in NW        this._placeInRegion(parentBranch,node,"NW"); }     else { // in SW        this._placeInRegion(parentBranch,node,"SW"); }   }    else { // in NE or SE      if (parentBranch.children.NW.range.maxY > node.y) { // in NE        this._placeInRegion(parentBranch,node,"NE"); }     else { // in SE        this._placeInRegion(parentBranch,node,"SE"); }   }  };

/**  * actually place the node in a region (or branch) *  * @param parentBranch * @param node * @param region * @private */ exports._placeInRegion = function(parentBranch,node,region) { switch (parentBranch.children[region].childrenCount) { case 0: // place node here parentBranch.children[region].children.data = node; parentBranch.children[region].childrenCount = 1; this._updateBranchMass(parentBranch.children[region],node); break; case 1: // convert into children // if there are two nodes exactly overlapping (on init, on opening of cluster etc.) // we move one node a pixel and we do not put it in the tree. if (parentBranch.children[region].children.data.x == node.x &&           parentBranch.children[region].children.data.y == node.y) { node.x += Math.random; node.y += Math.random; }       else { this._splitBranch(parentBranch.children[region]); this._placeInTree(parentBranch.children[region],node); }       break; case 4: // place in branch this._placeInTree(parentBranch.children[region],node); break; } };

/**  * this function splits a branch into 4 sub branches. If the branch contained a node, we place it in the subbranch * after the split is complete. *  * @param parentBranch * @private */ exports._splitBranch = function(parentBranch) { // if the branch is shaded with a node, replace the node in the new subset. var containedNode = null; if (parentBranch.childrenCount == 1) { containedNode = parentBranch.children.data; parentBranch.mass = 0; parentBranch.centerOfMass.x = 0; parentBranch.centerOfMass.y = 0; }   parentBranch.childrenCount = 4; parentBranch.children.data = null; this._insertRegion(parentBranch,"NW"); this._insertRegion(parentBranch,"NE"); this._insertRegion(parentBranch,"SW"); this._insertRegion(parentBranch,"SE");

if (containedNode != null) { this._placeInTree(parentBranch,containedNode); } };

/**  * This function subdivides the region into four new segments. * Specifically, this inserts a single new segment. * It fills the children section of the parentBranch *  * @param parentBranch * @param region * @param parentRange * @private */ exports._insertRegion = function(parentBranch, region) { var minX,maxX,minY,maxY; var childSize = 0.5 * parentBranch.size; switch (region) { case "NW": minX = parentBranch.range.minX; maxX = parentBranch.range.minX + childSize; minY = parentBranch.range.minY; maxY = parentBranch.range.minY + childSize; break; case "NE": minX = parentBranch.range.minX + childSize; maxX = parentBranch.range.maxX; minY = parentBranch.range.minY; maxY = parentBranch.range.minY + childSize; break; case "SW": minX = parentBranch.range.minX; maxX = parentBranch.range.minX + childSize; minY = parentBranch.range.minY + childSize; maxY = parentBranch.range.maxY; break; case "SE": minX = parentBranch.range.minX + childSize; maxX = parentBranch.range.maxX; minY = parentBranch.range.minY + childSize; maxY = parentBranch.range.maxY; break; }

parentBranch.children[region] = { centerOfMass:{x:0,y:0}, mass:0, range:{minX:minX,maxX:maxX,minY:minY,maxY:maxY}, size: 0.5 * parentBranch.size, calcSize: 2 * parentBranch.calcSize, children: {data:null}, maxWidth: 0, level: parentBranch.level+1, childrenCount: 0 }; };

/**  * This function is for debugging purposed, it draws the tree. *  * @param ctx * @param color * @private */ exports._drawTree = function(ctx,color) { if (this.barnesHutTree !== undefined) {

ctx.lineWidth = 1;

this._drawBranch(this.barnesHutTree.root,ctx,color); } };

/**  * This function is for debugging purposes. It draws the branches recursively. *  * @param branch * @param ctx * @param color * @private */ exports._drawBranch = function(branch,ctx,color) { if (color === undefined) { color = "#FF0000"; }

if (branch.childrenCount == 4) { this._drawBranch(branch.children.NW,ctx); this._drawBranch(branch.children.NE,ctx); this._drawBranch(branch.children.SE,ctx); this._drawBranch(branch.children.SW,ctx); }   ctx.strokeStyle = color; ctx.beginPath; ctx.moveTo(branch.range.minX,branch.range.minY); ctx.lineTo(branch.range.maxX,branch.range.minY); ctx.stroke;

ctx.beginPath; ctx.moveTo(branch.range.maxX,branch.range.minY); ctx.lineTo(branch.range.maxX,branch.range.maxY); ctx.stroke;

ctx.beginPath; ctx.moveTo(branch.range.maxX,branch.range.maxY); ctx.lineTo(branch.range.minX,branch.range.maxY); ctx.stroke;

ctx.beginPath; ctx.moveTo(branch.range.minX,branch.range.maxY); ctx.lineTo(branch.range.minX,branch.range.minY); ctx.stroke;

/*    if (branch.mass > 0) { ctx.circle(branch.centerOfMass.x, branch.centerOfMass.y, 3*branch.mass); ctx.stroke; }    */  };

/***/ }, /* 71 */ /***/ function(module, exports, __webpack_require__) {

module.exports = function(module) { if(!module.webpackPolyfill) { module.deprecate = function {}; module.paths = []; // module.parent = undefined by default module.children = []; module.webpackPolyfill = 1; } 	return module; }

/***/ } /******/ ]) });

})(jQuery, mediaWiki);

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