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<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>
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<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
*/
<div id="cls-Ext.CompositeElement"></div>/**
* @class Ext.CompositeElement
* @extends Ext.CompositeElementLite
* Standard composite class. Creates a Ext.Element for every element in the collection.
* <br><br>
* <b>NOTE: Although they are not listed, this class supports all of the set/update methods of Ext.Element. All Ext.Element
* actions will be performed on all the elements in this collection.</b>
* <br><br>
* All methods return <i>this</i> and can be chained.
<pre><code>
var els = Ext.select("#some-el div.some-class", true);
// or select directly from an existing element
var el = Ext.get('some-el');
el.select('div.some-class', true);
els.setWidth(100); // all elements become 100 width
els.hide(true); // all elements fade out and hide
// or
els.setWidth(100).hide(true);
</code></pre>
*/
Ext.CompositeElement = function(els, root){
this.elements = [];
this.add(els, root);
};
Ext.extend(Ext.CompositeElement, Ext.CompositeElementLite, {
invoke : function(fn, args){
Ext.each(this.elements, function(e) {
Ext.Element.prototype[fn].apply(e, args);
});
return this;
},
<div id="method-Ext.CompositeElement-add"></div>/**
* Adds elements to this composite.
* @param {String/Array} els A string CSS selector, an array of elements or an element
* @return {CompositeElement} this
*/
add : function(els, root){
if(!els){
return this;
}
if(typeof els == "string"){
els = Ext.Element.selectorFunction(els, root);
}
var yels = this.elements;
Ext.each(els, function(e) {
yels.push(Ext.get(e));
});
return this;
},
<div id="method-Ext.CompositeElement-item"></div>/**
* Returns the Element object at the specified index
* @param {Number} index
* @return {Ext.Element}
*/
item : function(index){
return this.elements[index] || null;
},
indexOf : function(el){
return this.elements.indexOf(Ext.get(el));
},
filter : function(selector){
var me = this,
out = [];
Ext.each(me.elements, function(el) {
if(el.is(selector)){
out.push(Ext.get(el));
}
});
me.elements = out;
return me;
},
<div id="method-Ext.CompositeElement-each"></div>/**
* Iterates each <code>element</code> in this <code>composite</code>
* calling the supplied function using {@link Ext#each}.
* @param {Function} fn The function to be called with each
* <code>element</code>. If the supplied function returns <tt>false</tt>,
* iteration stops. This function is called with the following arguments:
* <div class="mdetail-params"><ul>
* <li><code>element</code> : <i>Object</i>
* <div class="sub-desc">The element at the current <code>index</code>
* in the <code>composite</code></div></li>
* <li><code>composite</code> : <i>Object</i>
* <div class="sub-desc">This composite.</div></li>
* <li><code>index</code> : <i>Number</i>
* <div class="sub-desc">The current index within the <code>composite</code>
* </div></li>
* </ul></div>
* @param {Object} scope (optional) The scope to call the specified function.
* Defaults to the <code>element</code> at the current <code>index</code>
* within the composite.
* @return {CompositeElement} this
*/
each : function(fn, scope){
Ext.each(this.elements, function(e, i){
return fn.call(scope || e, e, this, i);
}, this);
return this;
}
});
/**
* 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.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 (unique === true) ? new Ext.CompositeElement(els) : new Ext.CompositeElementLite(els);
};
<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)
* @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.select = Ext.Element.select;</pre>
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