Blame view

framework/thirdparty/jstree/_lib/jquery.hotkeys.js 3.01 KB
385d70ca   Administrator   Importers CRUD
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
  /*
   * 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 );