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Edit File: jquery.hotkeys.js

/****************************************************************************************************************************** * @ Original idea by by Binny V A, Original version: 2.00.A * @ http://www.openjs.com/scripts/events/keyboard_shortcuts/ * @ Original License : BSD * @ jQuery Plugin by Tzury Bar Yochay mail: tzury.by@gmail.com blog: evalinux.wordpress.com face: facebook.com/profile.php?id=513676303 (c) Copyrights 2007 * @ jQuery Plugin version Beta (0.0.2) * @ License: jQuery-License. TODO: add queue support (as in gmail) e.g. 'x' then 'y', etc. add mouse + mouse wheel events. USAGE: $.hotkeys.add('Ctrl+c', function(){ alert('copy anyone?');}); $.hotkeys.add('Ctrl+c', {target:'div#editor', type:'keyup', propagate: true},function(){ alert('copy anyone?');});> $.hotkeys.remove('Ctrl+c'); $.hotkeys.remove('Ctrl+c', {target:'div#editor', type:'keypress'}); ******************************************************************************************************************************/ (function (jQuery){ this.version = '(beta)(0.0.3)'; this.all = {}; this.special_keys = { 27: 'esc', 9: 'tab', 32:'space', 13: 'return', 8:'backspace', 145: 'scroll', 20: 'capslock', 144: 'numlock', 19:'pause', 45:'insert', 36:'home', 46:'del',35:'end', 33: 'pageup', 34:'pagedown', 37:'left', 38:'up', 39:'right',40:'down', 112:'f1',113:'f2', 114:'f3', 115:'f4', 116:'f5', 117:'f6', 118:'f7', 119:'f8', 120:'f9', 121:'f10', 122:'f11', 123:'f12'}; this.shift_nums = { "`":"~", "1":"!", "2":"@", "3":"#", "4":"$", "5":"%", "6":"^", "7":"&", "8":"*", "9":"(", "0":")", "-":"_", "=":"+", ";":":", "'":"\"", ",":"<", ".":">", "/":"?", "\\":"|" }; this.add = function(combi, options, callback) { if ( typeof options === 'function' ){ callback = options; options = {}; } var opt = {}, defaults = {type: 'keydown', propagate: false, disableInInput: false, target: jQuery('html')[0]}, that = this; opt = jQuery.extend( opt , defaults, options || {} ); combi = combi.toLowerCase(); // inspect if keystroke matches var inspector = function(event) { // WP: not needed with newer jQuery // event = jQuery.event.fix(event); // jQuery event normalization. var element = event.target; // @ TextNode -> nodeType == 3 // WP: not needed with newer jQuery // element = (element.nodeType==3) ? element.parentNode : element; if ( opt['disableInInput'] ) { // Disable shortcut keys in Input, Textarea fields var target = jQuery(element); if ( ( target.is('input') || target.is('textarea') ) && ( ! opt.noDisable || ! target.is( opt.noDisable ) ) ) { return; } } var code = event.which, type = event.type, character = String.fromCharCode(code).toLowerCase(), special = that.special_keys[code], shift = event.shiftKey, ctrl = event.ctrlKey, alt= event.altKey, meta = event.metaKey, propagate = true, // default behaivour mapPoint = null; // in opera + safari, the event.target is unpredictable. // for example: 'keydown' might be associated with HtmlBodyElement // or the element where you last clicked with your mouse. // WP: needed for all browsers // if (jQuery.browser.opera || jQuery.browser.safari){ while (!that.all[element] && element.parentNode){ element = element.parentNode; } // } var cbMap = that.all[element].events[type].callbackMap; if(!shift && !ctrl && !alt && !meta) { // No Modifiers mapPoint = cbMap[special] || cbMap[character] } // deals with combinaitons (alt|ctrl|shift+anything) else{ var modif = ''; if(alt) modif +='alt+'; if(ctrl) modif+= 'ctrl+'; if(shift) modif += 'shift+'; if(meta) modif += 'meta+'; // modifiers + special keys or modifiers + characters or modifiers + shift characters mapPoint = cbMap[modif+special] || cbMap[modif+character] || cbMap[modif+that.shift_nums[character]] } if (mapPoint){ mapPoint.cb(event); if(!mapPoint.propagate) { event.stopPropagation(); event.preventDefault(); return false; } } }; // first hook for this element if (!this.all[opt.target]){ this.all[opt.target] = {events:{}}; } if (!this.all[opt.target].events[opt.type]){ this.all[opt.target].events[opt.type] = {callbackMap: {}} jQuery.event.add(opt.target, opt.type, inspector); } this.all[opt.target].events[opt.type].callbackMap[combi] = {cb: callback, propagate:opt.propagate}; return jQuery; }; this.remove = function(exp, opt) { opt = opt || {}; target = opt.target || jQuery('html')[0]; type = opt.type || 'keydown'; exp = exp.toLowerCase(); delete this.all[target].events[type].callbackMap[exp] return jQuery; }; jQuery.hotkeys = this; return jQuery; })(jQuery);
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