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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
<html>
<head>
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
</head>
<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.0.3
* Copyright(c) 2006-2009 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
/**
* @class Ext.CompositeElementLite
* <p>This class encapsulates a <i>collection</i> of DOM elements, providing methods to filter
* members, or to perform collective actions upon the whole set.</p>
* <p>Although they are not listed, this class supports all of the methods of {@link Ext.Element} and
* {@link Ext.Fx}. The methods from these classes will be performed on all the elements in this collection.</p>
* Example:<pre><code>
var els = Ext.select("#some-el div.some-class");
// or select directly from an existing element
var el = Ext.get('some-el');
el.select('div.some-class');
els.setWidth(100); // all elements become 100 width
els.hide(true); // all elements fade out and hide
// or
els.setWidth(100).hide(true);
</code>
*/
Ext.CompositeElementLite = function(els, root){
<div id="prop-Ext.CompositeElementLite-elements"></div>/**
* <p>The Array of DOM elements which this CompositeElement encapsulates. Read-only.</p>
* <p>This will not <i>usually</i> be accessed in developers' code, but developers wishing
* to augment the capabilities of the CompositeElementLite class may use it when adding
* methods to the class.</p>
* <p>For example to add the <code>nextAll</code> method to the class to <b>add</b> all
* following siblings of selected elements, the code would be</p><code><pre>
Ext.override(Ext.CompositeElementLite, {
nextAll: function() {
var els = this.elements, i, l = els.length, n, r = [], ri = -1;
// Loop through all elements in this Composite, accumulating
// an Array of all siblings.
for (i = 0; i < l; i++) {
for (n = els[i].nextSibling; n; n = n.nextSibling) {
r[++ri] = n;
}
}
// Add all found siblings to this Composite
return this.add(r);
}
});</pre></code>
* @type Array
* @property elements
*/
this.elements = [];
this.add(els, root);
this.el = new Ext.Element.Flyweight();
};
Ext.CompositeElementLite.prototype = {
isComposite: true,
<div id="method-Ext.CompositeElementLite-getCount"></div>/**
* Returns the number of elements in this Composite.
* @return Number
*/
getCount : function(){
return this.elements.length;
},
<div id="method-Ext.CompositeElementLite-add"></div>/**
* Adds elements to this Composite object.
* @param {Mixed} els Either an Array of DOM elements to add, or another Composite object who's elements should be added.
* @return {CompositeElement} This Composite object.
*/
add : function(els){
if(els){
if (Ext.isArray(els)) {
this.elements = this.elements.concat(els);
} else {
var yels = this.elements;
Ext.each(els, function(e) {
yels.push(e);
});
}
}
return this;
},
invoke : function(fn, args){
var els = this.elements,
el = this.el;
Ext.each(els, function(e) {
el.dom = e;
Ext.Element.prototype[fn].apply(el, args);
});
return this;
},
<div id="method-Ext.CompositeElementLite-item"></div>/**
* Returns a flyweight Element of the dom element object at the specified index
* @param {Number} index
* @return {Ext.Element}
*/
item : function(index){
var me = this;
if(!me.elements[index]){
return null;
}
me.el.dom = me.elements[index];
return me.el;
},
// fixes scope with flyweight
addListener : function(eventName, handler, scope, opt){
Ext.each(this.elements, function(e) {
Ext.EventManager.on(e, eventName, handler, scope || e, opt);
});
return this;
},
<div id="method-Ext.CompositeElementLite-each"></div>/**
* <p>Calls the passed function for each element in this composite.</p>
* @param {Function} fn The function to call. The function is passed the following parameters:<ul>
* <li><b>el</b> : Element<div class="sub-desc">The current Element in the iteration.
* <b>This is the flyweight (shared) Ext.Element instance, so if you require a
* a reference to the dom node, use el.dom.</b></div></li>
* <li><b>c</b> : Composite<div class="sub-desc">This Composite object.</div></li>
* <li><b>idx</b> : Number<div class="sub-desc">The zero-based index in the iteration.</div></li>
* </ul>
* @param {Object} scope (optional) The scope (<i>this</i> reference) in which the function is executed. (defaults to the Element)
* @return {CompositeElement} this
*/
each : function(fn, scope){
var me = this,
el = me.el;
Ext.each(me.elements, function(e,i) {
el.dom = e;
return fn.call(scope || el, el, me, i);
});
return me;
},
<div id="method-Ext.CompositeElementLite-fill"></div>/**
* Clears this Composite and adds the elements passed.
* @param {Mixed} els Either an array of DOM elements, or another Composite from which to fill this Composite.
* @return {CompositeElement} this
*/
fill : function(els){
var me = this;
me.elements = [];
me.add(els);
return me;
},
<div id="method-Ext.CompositeElementLite-filter"></div>/**
* Filters this composite to only elements that match the passed selector.
* @param {String/Function} selector A string CSS selector or a comparison function.
* The comparison function will be called with the following arguments:<ul>
* <li><code>el</code> : Ext.Element<div class="sub-desc">The current DOM element.</div></li>
* <li><code>index</code> : Number<div class="sub-desc">The current index within the collection.</div></li>
* </ul>
* @return {CompositeElement} this
*/
filter : function(selector){
var els = [],
me = this,
fn = Ext.isFunction(selector) ? selector
: function(el){
return el.is(selector);
}
me.each(function(el, self, i){
if(fn(el, i) !== false){
els[els.length] = el.dom;
}
});
me.fill(els);
return me;
},
<div id="method-Ext.CompositeElementLite-indexOf"></div>/**
* Find the index of the passed element within the composite collection.
* @param el {Mixed} The id of an element, or an Ext.Element, or an HtmlElement to find within the composite collection.
* @return Number The index of the passed Ext.Element in the composite collection, or -1 if not found.
*/
indexOf : function(el){
return this.elements.indexOf(Ext.getDom(el));
},
<div id="method-Ext.CompositeElementLite-replaceElement"></div>/**
* Replaces the specified element with the passed element.
* @param {Mixed} el The id of an element, the Element itself, the index of the element in this composite
* to replace.
* @param {Mixed} replacement The id of an element or the Element itself.
* @param {Boolean} domReplace (Optional) True to remove and replace the element in the document too.
* @return {CompositeElement} this
*/
replaceElement : function(el, replacement, domReplace){
var index = !isNaN(el) ? el : this.indexOf(el),
d;
if(index > -1){
replacement = Ext.getDom(replacement);
if(domReplace){
d = this.elements[index];
d.parentNode.insertBefore(replacement, d);
Ext.removeNode(d);
}
this.elements.splice(index, 1, replacement);
}
return this;
},
<div id="method-Ext.CompositeElementLite-clear"></div>/**
* Removes all elements.
*/
clear : function(){
this.elements = [];
}
};
Ext.CompositeElementLite.prototype.on = Ext.CompositeElementLite.prototype.addListener;
(function(){
var fnName,
ElProto = Ext.Element.prototype,
CelProto = Ext.CompositeElementLite.prototype;
for(fnName in ElProto){
if(Ext.isFunction(ElProto[fnName])){
(function(fnName){
CelProto[fnName] = CelProto[fnName] || function(){
return this.invoke(fnName, arguments);
};
}).call(CelProto, fnName);
}
}
})();
if(Ext.DomQuery){
Ext.Element.selectorFunction = Ext.DomQuery.select;
}
<div id="method-Ext.Element-select"></div>/**
* Selects elements based on the passed CSS selector to enable {@link Ext.Element Element} methods
* to be applied to many related elements in one statement through the returned {@link Ext.CompositeElement CompositeElement} or
* {@link Ext.CompositeElementLite CompositeElementLite} object.
* @param {String/Array} selector The CSS selector or an array of elements
* @param {Boolean} unique (optional) true to create a unique Ext.Element for each element (defaults to a shared flyweight object) <b>Not supported in core</b>
* @param {HTMLElement/String} root (optional) The root element of the query or id of the root
* @return {CompositeElementLite/CompositeElement}
* @member Ext.Element
* @method select
*/
Ext.Element.select = function(selector, unique, root){
var els;
if(typeof selector == "string"){
els = Ext.Element.selectorFunction(selector, root);
}else if(selector.length !== undefined){
els = selector;
}else{
throw "Invalid selector";
}
return new Ext.CompositeElementLite(els);
};
<div id="method-Ext-select"></div>/**
* Selects elements based on the passed CSS selector to enable {@link Ext.Element Element} methods
* to be applied to many related elements in one statement through the returned {@link Ext.CompositeElement CompositeElement} or
* {@link Ext.CompositeElementLite CompositeElementLite} object.
* @param {String/Array} selector The CSS selector or an array of elements
* @param {Boolean} unique (optional) true to create a unique Ext.Element for each element (defaults to a shared flyweight object)
* @param {HTMLElement/String} root (optional) The root element of the query or id of the root
* @return {CompositeElementLite/CompositeElement}
* @member Ext
* @method select
*/
Ext.select = Ext.Element.select;</pre>
</body>
</html>
|
