| 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.lang.declare");
|
|
|
12 |
dojo.require("dojo.lang.common");
|
|
|
13 |
dojo.require("dojo.lang.extras");
|
|
|
14 |
dojo.lang.declare = function (className, superclass, init, props) {
|
|
|
15 |
if ((dojo.lang.isFunction(props)) || ((!props) && (!dojo.lang.isFunction(init)))) {
|
|
|
16 |
var temp = props;
|
|
|
17 |
props = init;
|
|
|
18 |
init = temp;
|
|
|
19 |
}
|
|
|
20 |
var mixins = [];
|
|
|
21 |
if (dojo.lang.isArray(superclass)) {
|
|
|
22 |
mixins = superclass;
|
|
|
23 |
superclass = mixins.shift();
|
|
|
24 |
}
|
|
|
25 |
if (!init) {
|
|
|
26 |
init = dojo.evalObjPath(className, false);
|
|
|
27 |
if ((init) && (!dojo.lang.isFunction(init))) {
|
|
|
28 |
init = null;
|
|
|
29 |
}
|
|
|
30 |
}
|
|
|
31 |
var ctor = dojo.lang.declare._makeConstructor();
|
|
|
32 |
var scp = (superclass ? superclass.prototype : null);
|
|
|
33 |
if (scp) {
|
|
|
34 |
scp.prototyping = true;
|
|
|
35 |
ctor.prototype = new superclass();
|
|
|
36 |
scp.prototyping = false;
|
|
|
37 |
}
|
|
|
38 |
ctor.superclass = scp;
|
|
|
39 |
ctor.mixins = mixins;
|
|
|
40 |
for (var i = 0, l = mixins.length; i < l; i++) {
|
|
|
41 |
dojo.lang.extend(ctor, mixins[i].prototype);
|
|
|
42 |
}
|
|
|
43 |
ctor.prototype.initializer = null;
|
|
|
44 |
ctor.prototype.declaredClass = className;
|
|
|
45 |
if (dojo.lang.isArray(props)) {
|
|
|
46 |
dojo.lang.extend.apply(dojo.lang, [ctor].concat(props));
|
|
|
47 |
} else {
|
|
|
48 |
dojo.lang.extend(ctor, (props) || {});
|
|
|
49 |
}
|
|
|
50 |
dojo.lang.extend(ctor, dojo.lang.declare._common);
|
|
|
51 |
ctor.prototype.constructor = ctor;
|
|
|
52 |
ctor.prototype.initializer = (ctor.prototype.initializer) || (init) || (function () {
|
|
|
53 |
});
|
|
|
54 |
var created = dojo.parseObjPath(className, null, true);
|
|
|
55 |
created.obj[created.prop] = ctor;
|
|
|
56 |
return ctor;
|
|
|
57 |
};
|
|
|
58 |
dojo.lang.declare._makeConstructor = function () {
|
|
|
59 |
return function () {
|
|
|
60 |
var self = this._getPropContext();
|
|
|
61 |
var s = self.constructor.superclass;
|
|
|
62 |
if ((s) && (s.constructor)) {
|
|
|
63 |
if (s.constructor == arguments.callee) {
|
|
|
64 |
this._inherited("constructor", arguments);
|
|
|
65 |
} else {
|
|
|
66 |
this._contextMethod(s, "constructor", arguments);
|
|
|
67 |
}
|
|
|
68 |
}
|
|
|
69 |
var ms = (self.constructor.mixins) || ([]);
|
|
|
70 |
for (var i = 0, m; (m = ms[i]); i++) {
|
|
|
71 |
(((m.prototype) && (m.prototype.initializer)) || (m)).apply(this, arguments);
|
|
|
72 |
}
|
|
|
73 |
if ((!this.prototyping) && (self.initializer)) {
|
|
|
74 |
self.initializer.apply(this, arguments);
|
|
|
75 |
}
|
|
|
76 |
};
|
|
|
77 |
};
|
|
|
78 |
dojo.lang.declare._common = {_getPropContext:function () {
|
|
|
79 |
return (this.___proto || this);
|
|
|
80 |
}, _contextMethod:function (ptype, method, args) {
|
|
|
81 |
var result, stack = this.___proto;
|
|
|
82 |
this.___proto = ptype;
|
|
|
83 |
try {
|
|
|
84 |
result = ptype[method].apply(this, (args || []));
|
|
|
85 |
}
|
|
|
86 |
catch (e) {
|
|
|
87 |
throw e;
|
|
|
88 |
}
|
|
|
89 |
finally {
|
|
|
90 |
this.___proto = stack;
|
|
|
91 |
}
|
|
|
92 |
return result;
|
|
|
93 |
}, _inherited:function (prop, args) {
|
|
|
94 |
var p = this._getPropContext();
|
|
|
95 |
do {
|
|
|
96 |
if ((!p.constructor) || (!p.constructor.superclass)) {
|
|
|
97 |
return;
|
|
|
98 |
}
|
|
|
99 |
p = p.constructor.superclass;
|
|
|
100 |
} while (!(prop in p));
|
|
|
101 |
return (dojo.lang.isFunction(p[prop]) ? this._contextMethod(p, prop, args) : p[prop]);
|
|
|
102 |
}, inherited:function (prop, args) {
|
|
|
103 |
dojo.deprecated("'inherited' method is dangerous, do not up-call! 'inherited' is slated for removal in 0.5; name your super class (or use superclass property) instead.", "0.5");
|
|
|
104 |
this._inherited(prop, args);
|
|
|
105 |
}};
|
|
|
106 |
dojo.declare = dojo.lang.declare;
|
|
|
107 |
|