GL: Projektpicker
[kivitendo-erp.git] / js / jquery / jquery.hotkeys.js
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 /*
14  * One small change is: now keys are passed by object { keys: '...' }
15  * Might be useful, when you want to pass some other data to your handler
16  */
17
18 (function(jQuery){
19
20         jQuery.hotkeys = {
21                 version: "0.8",
22
23                 specialKeys: {
24                         8: "backspace", 9: "tab", 10: "return", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
25                         20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
26                         37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
27                         96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
28                         104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
29                         112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
30                         120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 186: ";", 191: "/",
31                         220: "\\", 222: "'", 224: "meta"
32                 },
33
34                 shiftNums: {
35                         "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
36                         "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
37                         ".": ">",  "/": "?",  "\\": "|"
38                 }
39         };
40
41         function keyHandler( handleObj ) {
42                 if ( typeof handleObj.data === "string" ) {
43                         handleObj.data = { keys: handleObj.data };
44                 }
45
46                 // Only care when a possible input has been specified
47                 if ( !handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string" ) {
48                         return;
49                 }
50
51                 var origHandler = handleObj.handler,
52                         keys = handleObj.data.keys.toLowerCase().split(" "),
53                         textAcceptingInputTypes = ["text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", "datetime-local", "search", "color", "tel"];
54
55                 handleObj.handler = function( event ) {
56                         // Don't fire in text-accepting inputs that we didn't directly bind to
57                         if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
58                                 jQuery.inArray(event.target.type, textAcceptingInputTypes) > -1 ) ) {
59                                 return;
60                         }
61
62                         var special = jQuery.hotkeys.specialKeys[ event.keyCode ],
63                                 // character codes are available only in keypress
64                                 character = event.type === "keypress" && String.fromCharCode( event.which ).toLowerCase(),
65                                 modif = "", possible = {};
66
67                         // check combinations (alt|ctrl|shift+anything)
68                         if ( event.altKey && special !== "alt" ) {
69                                 modif += "alt+";
70                         }
71
72                         if ( event.ctrlKey && special !== "ctrl" ) {
73                                 modif += "ctrl+";
74                         }
75
76                         // TODO: Need to make sure this works consistently across platforms
77                         if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
78                                 modif += "meta+";
79                         }
80
81                         if ( event.shiftKey && special !== "shift" ) {
82                                 modif += "shift+";
83                         }
84
85                         if ( special ) {
86                                 possible[ modif + special ] = true;
87                         }
88
89                         if ( character ) {
90                                 possible[ modif + character ] = true;
91                                 possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
92
93                                 // "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
94                                 if ( modif === "shift+" ) {
95                                         possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
96                                 }
97                         }
98
99                         for ( var i = 0, l = keys.length; i < l; i++ ) {
100                                 if ( possible[ keys[i] ] ) {
101                                         return origHandler.apply( this, arguments );
102                                 }
103                         }
104                 };
105         }
106
107         jQuery.each([ "keydown", "keyup", "keypress" ], function() {
108                 jQuery.event.special[ this ] = { add: keyHandler };
109         });
110
111 })( this.jQuery );