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
|
//>>built
define("dojox/dtl/Context", [
"dojo/_base/lang",
"./_base"
], function(lang,dd){
/*=====
dd = dojox.dtl;
=====*/
/*=====
dd.Context = function(dict){
// summary: Represents a runtime context used by DTL templates.
}
=====*/
dd.Context = lang.extend(function(dict){
this._this = {};
dd._Context.call(this, dict);
}, dd._Context.prototype,
{
getKeys: function(){
// summary: Returns the set of keys exported by this context.
var keys = [];
for(var key in this){
if(this.hasOwnProperty(key) && key != "_this"){
keys.push(key);
}
}
return keys;
},
extend: function(/*dojox.dtl.Context|Object*/ obj){
// summary: Returns a clone of this context object, with the items from the
// passed objecct mixed in.
return lang.delegate(this, obj);
},
filter: function(/*dojox.dtl.Context|Object|String...*/ filter){
// summary: Returns a clone of this context, only containing the items
// defined in the filter.
var context = new dd.Context();
var keys = [];
var i, arg;
if(filter instanceof dd.Context){
keys = filter.getKeys();
}else if(typeof filter == "object"){
for(var key in filter){
keys.push(key);
}
}else{
for(i = 0; arg = arguments[i]; i++){
if(typeof arg == "string"){
keys.push(arg);
}
}
}
for(i = 0, key; key = keys[i]; i++){
context[key] = this[key];
}
return context;
},
setThis: function(/*Object*/ _this){
// summary: Sets the object on which to perform operations.
// _this: the this ref.
this._this = _this;
},
getThis: function(){
// summary: Gets the object on which to perform operations.
return this._this;
},
hasKey: function(/*String*/key){
// summary: Indicates whether the specified key is defined on this context.
// key: The key to look up.
if(this._getter){
var got = this._getter(key);
if(typeof got != "undefined"){
return true;
}
}
if(typeof this[key] != "undefined"){
return true;
}
return false;
}
});
return dojox.dtl.Context;
});
|
