blob: e7526ced75b67ee8e110a75967a35c9ddfca44e7 (
plain)
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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
// written by Dean Edwards, 2005
// with input from Tino Zijdel
// http://dean.edwards.name/weblog/2005/10/add-event/
function addEvent(element, type, handler) {
// assign each event handler a unique ID
if (!handler.$$guid) handler.$$guid = addEvent.guid++;
// create a hash table of event types for the element
if (!element.events) element.events = {};
// create a hash table of event handlers for each element/event pair
var handlers = element.events[type];
if (!handlers) {
handlers = element.events[type] = {};
// store the existing event handler (if there is one)
if (element["on" + type]) {
handlers[0] = element["on" + type];
}
}
// store the event handler in the hash table
handlers[handler.$$guid] = handler;
// assign a global event handler to do all the work
element["on" + type] = handleEvent;
};
// a counter used to create unique IDs
addEvent.guid = 1;
function removeEvent(element, type, handler) {
// delete the event handler from the hash table
if (element.events && element.events[type]) {
delete element.events[type][handler.$$guid];
}
};
function handleEvent(event) {
var returnValue = true;
// grab the event object (IE uses a global event object)
event = event || fixEvent(window.event);
// get a reference to the hash table of event handlers
var handlers = this.events[event.type];
// execute each event handler
for (var i in handlers) {
if (!handlers.hasOwnProperty(i)) continue;
this.$$handleEvent = handlers[i];
if (this.$$handleEvent(event) === false) {
returnValue = false;
}
}
return returnValue;
};
function fixEvent(event) {
// add W3C standard event methods
event.preventDefault = fixEvent.preventDefault;
event.stopPropagation = fixEvent.stopPropagation;
// fix target
event.target = event.srcElement;
return event;
};
fixEvent.preventDefault = function() {
this.returnValue = false;
};
fixEvent.stopPropagation = function() {
this.cancelBubble = true;
};
/**
* Pseudo event handler to be fired after the DOM was parsed or
* on window load at last.
*
* @author based upon some code by Dean Edwards
* @author Dean Edwards
* @link http://dean.edwards.name/weblog/2006/06/again/
*/
window.fireoninit = function() {
// quit if this function has already been called
if (arguments.callee.done) return;
// flag this function so we don't do the same thing twice
arguments.callee.done = true;
// kill the timer
if (_timer) {
clearInterval(_timer);
_timer = null;
}
if (typeof window.oninit == 'function') {
window.oninit();
}
};
/**
* Run the fireoninit function as soon as possible after
* the DOM was loaded, using different methods for different
* Browsers
*
* @author Dean Edwards
* @link http://dean.edwards.name/weblog/2006/06/again/
*/
// for Mozilla
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", window.fireoninit, null);
}
// for Internet Explorer (using conditional comments)
/*@cc_on @*/
/*@if (@_win32)
document.write("<scr" + "ipt id=\"__ie_init\" defer=\"true\" src=\"//:\"><\/script>");
var script = document.getElementById("__ie_init");
script.onreadystatechange = function() {
if (this.readyState == "complete") {
window.fireoninit(); // call the onload handler
}
};
/*@end @*/
// for Safari
if (/WebKit/i.test(navigator.userAgent)) { // sniff
var _timer = setInterval(function() {
if (/loaded|complete/.test(document.readyState)) {
window.fireoninit(); // call the onload handler
}
}, 10);
}
// for other browsers
window.onload = window.fireoninit;
/**
* This is a pseudo Event that will be fired by the fireoninit
* function above.
*
* Use addInitEvent to bind to this event!
*
* @author Andreas Gohr <andi@splitbrain.org>
* @see fireoninit()
*/
window.oninit = function(){};
/**
* Bind a function to the window.init pseudo event
*
* @author Simon Willison
* @see http://simon.incutio.com/archive/2004/05/26/addLoadEvent
*/
function addInitEvent(func) {
var oldoninit = window.oninit;
if (typeof window.oninit != 'function') {
window.oninit = func;
} else {
window.oninit = function() {
oldoninit();
func();
};
}
}
/**
* Bind variables to a function call creating a closure
*
* Use this to circumvent variable scope problems when creating closures
* inside a loop
*
* @author Adrian Lang <lang@cosmocode.de>
* @link http://www.cosmocode.de/en/blog/gohr/2009-10/15-javascript-fixing-the-closure-scope-in-loops
* @param functionref fnc - the function to be called
* @param mixed - any arguments to be passed to the function
* @returns functionref
*/
function bind (fnc) {
var args = Array.prototype.slice.call(arguments, 1);
return function() {
return fnc.apply(this, args);
}
}
|
