| 1318 |
alexandre_ |
1 |
/*
|
|
|
2 |
Copyright (c) 2004-2006, The Dojo Foundation
|
|
|
3 |
All Rights Reserved.
|
|
|
4 |
|
|
|
5 |
Licensed under the Academic Free License version 2.1 or above OR the
|
|
|
6 |
modified BSD license. For more information on Dojo licensing, see:
|
|
|
7 |
|
|
|
8 |
http://dojotoolkit.org/community/licensing.shtml
|
|
|
9 |
*/
|
|
|
10 |
|
|
|
11 |
dojo.provide("dojo.data.old.Observable");
|
|
|
12 |
dojo.require("dojo.lang.common");
|
|
|
13 |
dojo.require("dojo.lang.assert");
|
|
|
14 |
dojo.data.old.Observable = function () {
|
|
|
15 |
};
|
|
|
16 |
dojo.data.old.Observable.prototype.addObserver = function (observer) {
|
|
|
17 |
dojo.lang.assertType(observer, Object);
|
|
|
18 |
dojo.lang.assertType(observer.observedObjectHasChanged, Function);
|
|
|
19 |
if (!this._arrayOfObservers) {
|
|
|
20 |
this._arrayOfObservers = [];
|
|
|
21 |
}
|
|
|
22 |
if (!dojo.lang.inArray(this._arrayOfObservers, observer)) {
|
|
|
23 |
this._arrayOfObservers.push(observer);
|
|
|
24 |
}
|
|
|
25 |
};
|
|
|
26 |
dojo.data.old.Observable.prototype.removeObserver = function (observer) {
|
|
|
27 |
if (!this._arrayOfObservers) {
|
|
|
28 |
return;
|
|
|
29 |
}
|
|
|
30 |
var index = dojo.lang.indexOf(this._arrayOfObservers, observer);
|
|
|
31 |
if (index != -1) {
|
|
|
32 |
this._arrayOfObservers.splice(index, 1);
|
|
|
33 |
}
|
|
|
34 |
};
|
|
|
35 |
dojo.data.old.Observable.prototype.getObservers = function () {
|
|
|
36 |
return this._arrayOfObservers;
|
|
|
37 |
};
|
|
|
38 |
|