User:Dalba/jquery.hotkeys.js

/*jslint browser: true*/ /*jslint jquery: true*/

/* * jQuery Hotkeys Plugin * Copyright 2010, John Resig * Dual licensed under the MIT or GPL Version 2 licenses. * * Based upon the plugin by Tzury Bar Yochay: * https://github.com/tzuryby/jquery.hotkeys * * Original idea by: * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/ */

/* * One small change is: now keys are passed by object { keys: '...' } * Might be useful, when you want to pass some other data to your handler */

(function(jQuery) {

jQuery.hotkeys = { version: "0.8",

specialKeys: { 8: "backspace", 9: "tab", 10: "return", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 59: ";",     61: "=",      96: "0",      97: "1",      98: "2",      99: "3",      100: "4",      101: "5",      102: "6",      103: "7",      104: "8",      105: "9",      106: "*",      107: "+",      109: "-",      110: ".",      111: "/",      112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 173: "-",     186: ";",      187: "=",      188: ",",      189: "-",      190: ".",      191: "/",      192: "`",      219: "[",      220: "\\",      221: "]",      222: "'"    },

shiftNums: { "`": "~",     "1": "!",      "2": "@",      "3": "#",      "4": "$",      "5": "%",      "6": "^",      "7": "&",      "8": "*",      "9": "(",      "0": ")",      "-": "_",      "=": "+",      ";": ": ",      "'": "\"",      ",": "<",      ".": ">",      "/": "?",      "\\": "|"    },

// excludes: button, checkbox, file, hidden, image, password, radio, reset, search, submit, url textAcceptingInputTypes: [ "text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", "datetime-local", "search", "color", "tel"],

// default input types not to bind to unless bound directly textInputTypes: /textarea|input|select/i,

options: { filterInputAcceptingElements: true, filterTextInputs: true, filterContentEditable: true } };

function keyHandler(handleObj) { if (typeof handleObj.data === "string") { handleObj.data = { keys: handleObj.data };   }

// Only care when a possible input has been specified if (!handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string") { return; }

var origHandler = handleObj.handler, keys = handleObj.data.keys.toLowerCase.split(" ");

handleObj.handler = function(event) { //     Don't fire in text-accepting inputs that we didn't directly bind to      if (this !== event.target &&        (jQuery.hotkeys.options.filterInputAcceptingElements && jQuery.hotkeys.textInputTypes.test(event.target.nodeName) || (jQuery.hotkeys.options.filterContentEditable && jQuery(event.target).attr('contenteditable')) || (jQuery.hotkeys.options.filterTextInputs &&           jQuery.inArray(event.target.type, jQuery.hotkeys.textAcceptingInputTypes) > -1))) { return; }

var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[event.which], character = String.fromCharCode(event.which).toLowerCase, modif = "", possible = {};

jQuery.each(["alt", "ctrl", "shift"], function(index, specialKey) {

if (event[specialKey + 'Key'] && special !== specialKey) { modif += specialKey + '+'; }     });

// metaKey is triggered off ctrlKey erronously if (event.metaKey && !event.ctrlKey && special !== "meta") { modif += "meta+"; }

if (event.metaKey && special !== "meta" && modif.indexOf("alt+ctrl+shift+") > -1) { modif = modif.replace("alt+ctrl+shift+", "hyper+"); }

if (special) { possible[modif + special] = true; }     else { possible[modif + character] = true; possible[modif + jQuery.hotkeys.shiftNums[character]] = true;

// "$" can be triggered as "Shift+4" or "Shift+$" or just "$" if (modif === "shift+") { possible[jQuery.hotkeys.shiftNums[character]] = true; }     }

for (var i = 0, l = keys.length; i < l; i++) { if (possible[keys[i]]) { return origHandler.apply(this, arguments); }     }    };  }

jQuery.each(["keydown", "keyup", "keypress"], function {   jQuery.event.special[this] = {      add: keyHandler    };  });

})(jQuery || this.jQuery || window.jQuery);