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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /****************************************************************************************************************************** * @ Original idea by by Binny V A, Original version: 2.00.A * @ 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 (jQuery.isFunction(options)){ 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) { event = jQuery.event.fix(event); // jQuery event normalization. var element = event.target; // @ TextNode -> nodeType == 3 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")){ 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, 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. 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) { // 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+ '; // 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); |