User:Aremisasling/mediawiki.js

// MediaWiki JavaScript support functions

var clientPC = navigator.userAgent.toLowerCase; // Get client info var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)               && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1)); var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1)); var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled )); if (clientPC.indexOf('opera') != -1) { var is_opera = true; var is_opera_preseven = (window.opera && !document.childNodes); var is_opera_seven = (window.opera && document.childNodes); }

// add any onload functions in this hook (please don't hard-code any events in the xhtml source)

var doneOnloadHook;

if (!window.onloadFuncts) var onloadFuncts = [];

function addOnloadHook(hookFunct) { // Allows add-on scripts to add onload functions onloadFuncts[onloadFuncts.length] = hookFunct; }

function runOnloadHook { // don't run anything below this for non-dom browsers if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) return;

histrowinit; unhidetzbutton; tabbedprefs; akeytt; scrollEditBox; setupCheckboxShiftClick;

// Run any added-on functions for (var i = 0; i < onloadFuncts.length; i++) onloadFuncts[i];

doneOnloadHook = true; }

function hookEvent(hookName, hookFunct) { if (window.addEventListener) addEventListener(hookName, hookFunct, false); else if (window.attachEvent) attachEvent("on" + hookName, hookFunct); }

//note: all skins shoud call runOnloadHook at the end of html output, //     so the below should be redundant. It's there just in case. hookEvent("load", runOnloadHook);

// document.write special stylesheet links if (typeof stylepath != 'undefined' && typeof skin != 'undefined') { if (is_opera_preseven) { document.write(''); } else if (is_opera_seven) { document.write(''); } else if (is_khtml) { document.write(''); } } // Un-trap us from framesets // The following two lines were commented out by Sheldon to allow use of Sourcewatch/Congresspedia within framesets. // if (window.top != window) //	window.top.location = window.location;

// for enhanced RecentChanges function toggleVisibility(_levelId, _otherId, _linkId) { var thisLevel = document.getElementById(_levelId); var otherLevel = document.getElementById(_otherId); var linkLevel = document.getElementById(_linkId); if (thisLevel.style.display == 'none') { thisLevel.style.display = 'block'; otherLevel.style.display = 'none'; linkLevel.style.display = 'inline'; } else { thisLevel.style.display = 'none'; otherLevel.style.display = 'inline'; linkLevel.style.display = 'none'; } }

// page history stuff // attach event handlers to the input elements on history page function histrowinit { var hf = document.getElementById('pagehistory'); if (!hf) return; var lis = hf.getElementsByTagName('li'); for (var i = 0; i < lis.length; i++) { var inputs = historyRadios(lis[i]); if (inputs[0] && inputs[1]) { inputs[0].onclick = diffcheck; inputs[1].onclick = diffcheck; }	}	diffcheck; }

function historyRadios(parent) { var inputs = parent.getElementsByTagName('input'); var radios = []; for (var i = 0; i < inputs.length; i++) { if (inputs[i].name == "diff" || inputs[i].name == "oldid") radios[radios.length] = inputs[i]; }	return radios; }

// check selection and tweak visibility/class onclick function diffcheck { var dli = false; // the li where the diff radio is checked var oli = false; // the li where the oldid radio is checked var hf = document.getElementById('pagehistory'); if (!hf) return true; var lis = hf.getElementsByTagName('li'); for (i=0;i<lis.length;i++) { var inputs = historyRadios(lis[i]); if (inputs[1] && inputs[0]) { if (inputs[1].checked || inputs[0].checked) { // this row has a checked radio button if (inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value) return false; if (oli) { // it's the second checked radio if (inputs[1].checked) { oli.className = "selected"; return false; }				} else if (inputs[0].checked) { return false; }				if (inputs[0].checked) dli = lis[i]; if (!oli) inputs[0].style.visibility = 'hidden'; if (dli) inputs[1].style.visibility = 'hidden'; lis[i].className = "selected"; oli = lis[i]; } else { // no radio is checked in this row if (!oli) inputs[0].style.visibility = 'hidden'; else inputs[0].style.visibility = 'visible'; if (dli) inputs[1].style.visibility = 'hidden'; else inputs[1].style.visibility = 'visible'; lis[i].className = ""; }		}	}	return true; }

// generate toc from prefs form, fold sections // XXX: needs testing on IE/Mac and safari // more comments to follow function tabbedprefs { var prefform = document.getElementById('preferences'); if (!prefform || !document.createElement) return; if (prefform.nodeName.toLowerCase == 'a') return; // Occasional IE problem prefform.className = prefform.className + 'jsprefs'; var sections = new Array; var children = prefform.childNodes; var seci = 0; for (var i = 0; i < children.length; i++) { if (children[i].nodeName.toLowerCase == 'fieldset') { children[i].id = 'prefsection-' + seci; children[i].className = 'prefsection'; if (is_opera || is_khtml) children[i].className = 'prefsection operaprefsection'; var legends = children[i].getElementsByTagName('legend'); sections[seci] = new Object; legends[0].className = 'mainLegend'; if (legends[0] && legends[0].firstChild.nodeValue) sections[seci].text = legends[0].firstChild.nodeValue; else sections[seci].text = '# ' + seci; sections[seci].secid = children[i].id; seci++; if (sections.length != 1) children[i].style.display = 'none'; else var selectedid = children[i].id; }	}	var toc = document.createElement('ul'); toc.id = 'preftoc'; toc.selectedid = selectedid; for (i = 0; i < sections.length; i++) { var li = document.createElement('li'); if (i == 0) li.className = 'selected'; var a = document.createElement('a'); a.href = '#' + sections[i].secid; a.onmousedown = a.onclick = uncoversection; a.appendChild(document.createTextNode(sections[i].text)); a.secid = sections[i].secid; li.appendChild(a); toc.appendChild(li); }	prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]); document.getElementById('prefsubmit').id = 'prefcontrol'; }

function uncoversection { var oldsecid = this.parentNode.parentNode.selectedid; var newsec = document.getElementById(this.secid); if (oldsecid != this.secid) { var ul = document.getElementById('preftoc'); document.getElementById(oldsecid).style.display = 'none'; newsec.style.display = 'block'; ul.selectedid = this.secid; var lis = ul.getElementsByTagName('li'); for (var i = 0; i< lis.length; i++) { lis[i].className = ''; }		this.parentNode.className = 'selected'; }	return false; }

// Timezone stuff // tz in format [+-]HHMM function checkTimezone(tz, msg) { var localclock = new Date; // returns negative offset from GMT in minutes var tzRaw = localclock.getTimezoneOffset; var tzHour = Math.floor( Math.abs(tzRaw) / 60); var tzMin = Math.abs(tzRaw) % 60; var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin; if (tz != tzString) { var junk = msg.split('$1'); document.write(junk[0] + "UTC" + tzString + junk[1]); } }

function unhidetzbutton { var tzb = document.getElementById('guesstimezonebutton'); if (tzb) tzb.style.display = 'inline'; }

// in [-]HH:MM format... // won't yet work with non-even tzs function fetchTimezone { // FIXME: work around Safari bug var localclock = new Date; // returns negative offset from GMT in minutes var tzRaw = localclock.getTimezoneOffset; var tzHour = Math.floor( Math.abs(tzRaw) / 60); var tzMin = Math.abs(tzRaw) % 60; var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour + ":" + ((tzMin < 10) ? "0" : "") + tzMin; return tzString; }

function guessTimezone(box) { document.getElementsByName("wpHourDiff")[0].value = fetchTimezone; }

function showTocToggle { if (document.createTextNode) { // Uses DOM calls to avoid document.write + XHTML issues

var linkHolder = document.getElementById('toctitle') if (!linkHolder) return;

var outerSpan = document.createElement('span'); outerSpan.className = 'toctoggle';

var toggleLink = document.createElement('a'); toggleLink.id = 'togglelink'; toggleLink.className = 'internal'; toggleLink.href = 'javascript:toggleToc'; toggleLink.appendChild(document.createTextNode(tocHideText));

outerSpan.appendChild(document.createTextNode('[')); outerSpan.appendChild(toggleLink); outerSpan.appendChild(document.createTextNode(']'));

linkHolder.appendChild(document.createTextNode(' ')); linkHolder.appendChild(outerSpan);

var cookiePos = document.cookie.indexOf("hidetoc="); if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) toggleToc; } }

function changeText(el, newText) { // Safari work around if (el.innerText) el.innerText = newText; else if (el.firstChild && el.firstChild.nodeValue) el.firstChild.nodeValue = newText; }

function toggleToc { var toc = document.getElementById('toc').getElementsByTagName('ul')[0]; var toggleLink = document.getElementById('togglelink')

if (toc && toggleLink && toc.style.display == 'none') { changeText(toggleLink, tocHideText); toc.style.display = 'block'; document.cookie = "hidetoc=0"; } else { changeText(toggleLink, tocShowText); toc.style.display = 'none'; document.cookie = "hidetoc=1"; } }

var mwEditButtons = []; var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js

// this function generates the actual toolbar buttons with localized text // we use it to avoid creating the toolbar where javascript is not enabled function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) { // Don't generate buttons for browsers which don't fully // support it. mwEditButtons[mwEditButtons.length] = {"imageFile": imageFile, "speedTip": speedTip, "tagOpen": tagOpen, "tagClose": tagClose, "sampleText": sampleText}; }

// this function generates the actual toolbar buttons with localized text // we use it to avoid creating the toolbar where javascript is not enabled function mwInsertEditButton(parent, item) { var image = document.createElement("img"); image.width = 23; image.height = 22; image.src = item.imageFile; image.border = 0; image.alt = item.speedTip; image.title = item.speedTip; image.style.cursor = "pointer"; image.onclick = function { insertTags(item.tagOpen, item.tagClose, item.sampleText); return false; }	parent.appendChild(image); return true; }

function mwSetupToolbar { var toolbar = document.getElementById('toolbar'); if (!toolbar) return false;

var textbox = document.getElementById('wpTextbox1'); if (!textbox) return false; // Don't generate buttons for browsers which don't fully // support it. if (!document.selection && textbox.selectionStart == null) return false; for (var i in mwEditButtons) { mwInsertEditButton(toolbar, mwEditButtons[i]); }	for (var i in mwCustomEditButtons) { mwInsertEditButton(toolbar, mwCustomEditButtons[i]); }	return true; }

// apply tagOpen/tagClose to selection in textarea, // use sampleText instead of selection if there is none // copied and adapted from phpBB function insertTags(tagOpen, tagClose, sampleText) { if (document.editform) var txtarea = document.editform.wpTextbox1; else { // some alternate form? take the first one we can find var areas = document.getElementsByTagName('textarea'); var txtarea = areas[0]; }

// IE	if (document.selection && !is_gecko) { var theSelection = document.selection.createRange.text; if (!theSelection) theSelection=sampleText; txtarea.focus; if (theSelection.charAt(theSelection.length - 1) == " ") { // exclude ending space char, if any theSelection = theSelection.substring(0, theSelection.length - 1); document.selection.createRange.text = tagOpen + theSelection + tagClose + " "; } else { document.selection.createRange.text = tagOpen + theSelection + tagClose; }

// Mozilla } else if(txtarea.selectionStart || txtarea.selectionStart == '0') { var replaced = false; var startPos = txtarea.selectionStart; var endPos = txtarea.selectionEnd; if (endPos-startPos) replaced = true; var scrollTop = txtarea.scrollTop; var myText = (txtarea.value).substring(startPos, endPos); if (!myText) myText=sampleText; if (myText.charAt(myText.length - 1) == " ") { // exclude ending space char, if any subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " "; } else { subst = tagOpen + myText + tagClose; }		txtarea.value = txtarea.value.substring(0, startPos) + subst + txtarea.value.substring(endPos, txtarea.value.length); txtarea.focus; //set new selection if (replaced) { var cPos = startPos+(tagOpen.length+myText.length+tagClose.length); txtarea.selectionStart = cPos; txtarea.selectionEnd = cPos; } else { txtarea.selectionStart = startPos+tagOpen.length; txtarea.selectionEnd = startPos+tagOpen.length+myText.length; }		txtarea.scrollTop = scrollTop;

// All other browsers get no toolbar. // There was previously support for a crippled "help" // bar, but that caused more problems than it solved. }	// reposition cursor if possible if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange.duplicate; }

function akeytt { if (typeof ta == "undefined" || !ta) return; var pref = 'alt-'; if (is_safari || navigator.userAgent.toLowerCase.indexOf('mac') + 1		|| navigator.userAgent.toLowerCase.indexOf('konqueror') + 1 ) pref = 'control-'; if (is_opera) pref = 'shift-esc-';

for (var id in ta) { var n = document.getElementById(id); if (n) { var a = null; var ak = ''; // Are we putting accesskey in it			if (ta[id][0].length > 0) { // Is this object a object? If not assume it's the next child.

if (n.nodeName.toLowerCase == "a") { a = n;				} else { a = n.childNodes[0]; }

if (a) { a.accessKey = ta[id][0]; ak = ' ['+pref+ta[id][0]+']'; }			} else { // We don't care what type the object is when assigning tooltip a = n;				ak = ''; }

if (a) { a.title = ta[id][1]+ak; }		}	} }

function setupRightClickEdit { if (document.getElementsByTagName) { var divs = document.getElementsByTagName('div'); for (var i = 0; i < divs.length; i++) { var el = divs[i]; if(el.className == 'editsection') { addRightClickEditHandler(el); }		}	} }

function addRightClickEditHandler(el) { for (var i = 0; i < el.childNodes.length; i++) { var link = el.childNodes[i]; if (link.nodeType == 1 && link.nodeName.toLowerCase == 'a') { var editHref = link.getAttribute('href');

// find the following a			var next = el.nextSibling; while (next.nodeType != 1) next = next.nextSibling;

// find the following header next = next.nextSibling; while (next.nodeType != 1) next = next.nextSibling;

if (next && next.nodeType == 1 &&				next.nodeName.match(/^[Hh][1-6]$/)) { next.oncontextmenu = function { document.location = editHref; return false; }			}		}	} }

function setupCheckboxShiftClick { if (document.getElementsByTagName) { var uls = document.getElementsByTagName('ul'); var len = uls.length; for (var i = 0; i < len; ++i) { addCheckboxClickHandlers(uls[i]); }	} }

function addCheckboxClickHandlers(ul, start, finish) { if (ul.checkboxHandlersTimer) { clearInterval(ul.checkboxHandlersTimer); }	if ( !ul.childNodes ) { return; }	var len = ul.childNodes.length; if (len < 2) { return; }	start = start || 0; finish = finish || start + 250; if ( finish > len ) { finish = len; } ul.checkboxes = ul.checkboxes || []; ul.lastCheckbox = ul.lastCheckbox || null; for (var i = start; i<finish; ++i) { var child = ul.childNodes[i]; if ( child && child.childNodes && child.childNodes[0] ) { var cb = child.childNodes[0]; if ( !cb.nodeName || cb.nodeName.toLowerCase != 'input' ||			    !cb.type || cb.type.toLowerCase != 'checkbox' ) { return; }			cb.index = ul.checkboxes.push(cb) - 1; cb.container = ul; cb.onmouseup = checkboxMouseupHandler; }	}	if (finish < len) { var f=function{ addCheckboxClickHandlers(ul, finish, finish+250); }; ul.checkboxHandlersTimer=setInterval(f, 200); } }

function checkboxMouseupHandler(e) { if (typeof e == 'undefined') { e = window.event; }	if ( !e.shiftKey || this.container.lastCheckbox === null ) { this.container.lastCheckbox = this.index; return true; }	var endState = !this.checked; if ( is_opera ) { // opera has already toggled the checkbox by this point endState = !endState; }	var start, finish; if ( this.index < this.container.lastCheckbox ) { start = this.index + 1; finish = this.container.lastCheckbox; } else { start = this.container.lastCheckbox; finish = this.index - 1; }	for (var i = start; i <= finish; ++i ) { this.container.checkboxes[i].checked = endState; }	this.container.lastCheckbox = this.index; return true; }

function toggle_element_activation(ida,idb) { if (!document.getElementById) return; document.getElementById(ida).disabled=true; document.getElementById(idb).disabled=false; }

function toggle_element_check(ida,idb) { if (!document.getElementById) return; document.getElementById(ida).checked=true; document.getElementById(idb).checked=false; }

function fillDestFilename(id) { if (!document.getElementById) return; var path = document.getElementById(id).value; // Find trailing part var slash = path.lastIndexOf('/'); var backslash = path.lastIndexOf('\\'); var fname; if (slash == -1 && backslash == -1) { fname = path; } else if (slash > backslash) { fname = path.substring(slash+1, 10000); } else { fname = path.substring(backslash+1, 10000); }

// Capitalise first letter and replace spaces by underscores fname = fname.charAt(0).toUpperCase.concat(fname.substring(1,10000)).replace(/ /g, '_');

// Output result var destFile = document.getElementById('wpDestFile'); if (destFile) destFile.value = fname; }

function considerChangingExpiryFocus { if (!document.getElementById) return; var drop = document.getElementById('wpBlockExpiry'); if (!drop) return; var field = document.getElementById('wpBlockOther'); if (!field) return; var opt = drop.value; if (opt == 'other') field.style.display = ''; else field.style.display = 'none'; }

function scrollEditBox { var editBoxEl = document.getElementById("wpTextbox1"); var scrollTopEl = document.getElementById("wpScrolltop"); var editFormEl = document.getElementById("editform");

if (editBoxEl && scrollTopEl) { if (scrollTopEl.value) editBoxEl.scrollTop = scrollTopEl.value; editFormEl.onsubmit = function { document.getElementById("wpScrolltop").value = document.getElementById("wpTextbox1").scrollTop; }	} }

hookEvent("load", scrollEditBox);

function allmessagesfilter { text = document.getElementById('allmessagesinput').value; k = document.getElementById('allmessagestable'); if (!k) { return;}

var items = k.getElementsByTagName('span');

if ( text.length > allmessages_prev.length ) { for (var i = items.length-1, j = 0; i >= 0; i--) { j = allmessagesforeach(items, i, j); }	} else { for (var i = 0, j = 0; i < items.length; i++) { j = allmessagesforeach(items, i, j); }	}	allmessages_prev = text; }

function allmessagesforeach(items, i, j) { var hItem = items[i].getAttribute('id'); if (hItem.substring(0,17) == 'sp-allmessages-i-') { if (items[i].firstChild && items[i].firstChild.nodeName == '#text' && items[i].firstChild.nodeValue.indexOf(text) != -1) { var itemA = document.getElementById( hItem.replace('i', 'r1') ); var itemB = document.getElementById( hItem.replace('i', 'r2') ); if ( itemA.style.display != '' ) { var s = "allmessageshider(\"" + hItem.replace('i', 'r1') + "\", \"" + hItem.replace('i', 'r2') + "\", '')"; var k = window.setTimeout(s,j++*5); }		} else { var itemA = document.getElementById( hItem.replace('i', 'r1') ); var itemB = document.getElementById( hItem.replace('i', 'r2') ); if ( itemA.style.display != 'none' ) { var s = "allmessageshider(\"" + hItem.replace('i', 'r1') + "\", \"" + hItem.replace('i', 'r2') + "\", 'none')"; var k = window.setTimeout(s,j++*5); }		}	}	return j; }

function allmessageshider(idA, idB, cstyle) { var itemA = document.getElementById( idA ); var itemB = document.getElementById( idB ); if (itemA) { itemA.style.display = cstyle; } if (itemB) { itemB.style.display = cstyle; } }

function allmessagesmodified { allmessages_modified = !allmessages_modified; k = document.getElementById('allmessagestable'); if (!k) { return;} var items = k.getElementsByTagName('tr'); for (var i = 0, j = 0; i< items.length; i++) { if (!allmessages_modified ) { if ( items[i].style.display != '' ) { var s = "allmessageshider(\"" + items[i].getAttribute('id') + "\", null, '')"; var k = window.setTimeout(s,j++*5); }		} else if (items[i].getAttribute('class') == 'def' && allmessages_modified) { if ( items[i].style.display != 'none' ) { var s = "allmessageshider(\"" + items[i].getAttribute('id') + "\", null, 'none')"; var k = window.setTimeout(s,j++*5); }		}	} }

function allmessagesshow { k = document.getElementById('allmessagesfilter'); if (k) { k.style.display = ''; }

allmessages_prev = ''; allmessages_modified = false; }

hookEvent("load", allmessagesshow); hookEvent("load", mwSetupToolbar);