| /* | |
| * 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: | |
| * http://github.com/tzuryby/hotkeys | |
| * | |
| * Original idea by: | |
| * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/ | |
| */ | |
| (function(jQuery){ | |
| jQuery.hotkeys = { | |
| version: "0.8", | |
| specialKeys: { | |
| 8: "backspace", 9: "tab", 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", | |
| 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", 191: "/", 224: "meta" | |
| }, | |
| shiftNums: { | |
| "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", | |
| "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<", | |
| ".": ">", "/": "?", "\\": "|" | |
| } | |
| }; | |
| function keyHandler( handleObj ) { | |
| // Only care when a possible input has been specified | |
| if ( typeof handleObj.data !== "string" ) { | |
| return; | |
| } | |
| var origHandler = handleObj.handler, | |
| keys = handleObj.data.toLowerCase().split(" "); | |
| handleObj.handler = function( event ) { | |
| // Don't fire in text-accepting inputs that we didn't directly bind to | |
| if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) || | |
| event.target.type === "text") ) { | |
| return; | |
| } | |
| // Keypress represents characters, not special keys | |
| var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ], | |
| character = String.fromCharCode( event.which ).toLowerCase(), | |
| key, modif = "", possible = {}; | |
| // check combinations (alt|ctrl|shift+anything) | |
| if ( event.altKey && special !== "alt" ) { | |
| modif += "alt+"; | |
| } | |
| if ( event.ctrlKey && special !== "ctrl" ) { | |
| modif += "ctrl+"; | |
| } | |
| // TODO: Need to make sure this works consistently across platforms | |
| if ( event.metaKey && !event.ctrlKey && special !== "meta" ) { | |
| modif += "meta+"; | |
| } | |
| if ( event.shiftKey && special !== "shift" ) { | |
| modif += "shift+"; | |
| } | |
| if ( special ) { | |
| possible[ modif + special ] = true; | |
| } else { | |
| possible[ modif + character ] = true; | |
| possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true; | |
| // "$" 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 ); |