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| 1 /* |
| 2 * jQuery Hotkeys Plugin |
| 3 * Copyright 2010, John Resig |
| 4 * Dual licensed under the MIT or GPL Version 2 licenses. |
| 5 * |
| 6 * Based upon the plugin by Tzury Bar Yochay: |
| 7 * http://github.com/tzuryby/hotkeys |
| 8 * |
| 9 * Original idea by: |
| 10 * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/ |
| 11 */ |
| 12 |
| 13 (function(jQuery){ |
| 14 |
| 15 jQuery.hotkeys = { |
| 16 version: "0.8", |
| 17 |
| 18 specialKeys: { |
| 19 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17:
"ctrl", 18: "alt", 19: "pause", |
| 20 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34
: "pagedown", 35: "end", 36: "home", |
| 21 37: "left", 38: "up", 39: "right", 40: "down", 45: "inse
rt", 46: "del", |
| 22 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5",
102: "6", 103: "7", |
| 23 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: "
.", 111 : "/", |
| 24 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 1
17: "f6", 118: "f7", 119: "f8", |
| 25 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "num
lock", 145: "scroll", 191: "/", 224: "meta" |
| 26 }, |
| 27 |
| 28 shiftNums: { |
| 29 "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "
%", "6": "^", "7": "&", |
| 30 "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": "
: ", "'": "\"", ",": "<", |
| 31 ".": ">", "/": "?", "\\": "|" |
| 32 } |
| 33 }; |
| 34 |
| 35 function keyHandler( handleObj ) { |
| 36 // Only care when a possible input has been specified |
| 37 if ( typeof handleObj.data !== "string" ) { |
| 38 return; |
| 39 } |
| 40 |
| 41 var origHandler = handleObj.handler, |
| 42 keys = handleObj.data.toLowerCase().split(" "); |
| 43 |
| 44 handleObj.handler = function( event ) { |
| 45 // Don't fire in text-accepting inputs that we didn't di
rectly bind to |
| 46 if ( this !== event.target && (/textarea|select/i.test(
event.target.nodeName ) || |
| 47 event.target.type === "text") ) { |
| 48 return; |
| 49 } |
| 50 |
| 51 // Keypress represents characters, not special keys |
| 52 var special = event.type !== "keypress" && jQuery.hotkey
s.specialKeys[ event.which ], |
| 53 character = String.fromCharCode( event.which ).t
oLowerCase(), |
| 54 key, modif = "", possible = {}; |
| 55 |
| 56 // check combinations (alt|ctrl|shift+anything) |
| 57 if ( event.altKey && special !== "alt" ) { |
| 58 modif += "alt+"; |
| 59 } |
| 60 |
| 61 if ( event.ctrlKey && special !== "ctrl" ) { |
| 62 modif += "ctrl+"; |
| 63 } |
| 64 |
| 65 // TODO: Need to make sure this works consistently acros
s platforms |
| 66 if ( event.metaKey && !event.ctrlKey && special !== "met
a" ) { |
| 67 modif += "meta+"; |
| 68 } |
| 69 |
| 70 if ( event.shiftKey && special !== "shift" ) { |
| 71 modif += "shift+"; |
| 72 } |
| 73 |
| 74 if ( special ) { |
| 75 possible[ modif + special ] = true; |
| 76 |
| 77 } else { |
| 78 possible[ modif + character ] = true; |
| 79 possible[ modif + jQuery.hotkeys.shiftNums[ char
acter ] ] = true; |
| 80 |
| 81 // "$" can be triggered as "Shift+4" or "Shift+$
" or just "$" |
| 82 if ( modif === "shift+" ) { |
| 83 possible[ jQuery.hotkeys.shiftNums[ char
acter ] ] = true; |
| 84 } |
| 85 } |
| 86 |
| 87 for ( var i = 0, l = keys.length; i < l; i++ ) { |
| 88 if ( possible[ keys[i] ] ) { |
| 89 return origHandler.apply( this, argument
s ); |
| 90 } |
| 91 } |
| 92 }; |
| 93 } |
| 94 |
| 95 jQuery.each([ "keydown", "keyup", "keypress" ], function() { |
| 96 jQuery.event.special[ this ] = { add: keyHandler }; |
| 97 }); |
| 98 |
| 99 })( jQuery ); |
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