tvheadend/vendor/ext-3.4.1/docs/source/CompositeElementLite.html
Adam Sutton bafcfff42d webui: restructure webui/extjs source files
I want to keep the 3rd-party packages away from the main source
where possible.
2013-06-03 17:11:01 +01:00

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<pre class="prettyprint lang-js"><span id='Ext-CompositeElementLite'>/**
</span> * @class Ext.CompositeElementLite
* &lt;p&gt;This class encapsulates a &lt;i&gt;collection&lt;/i&gt; of DOM elements, providing methods to filter
* members, or to perform collective actions upon the whole set.&lt;/p&gt;
* &lt;p&gt;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.&lt;/p&gt;
* Example:&lt;pre&gt;&lt;code&gt;
var els = Ext.select(&quot;#some-el div.some-class&quot;);
// 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);
&lt;/code&gt;
*/
Ext.CompositeElementLite = function(els, root){
<span id='Ext-CompositeElementLite-property-elements'> /**
</span> * &lt;p&gt;The Array of DOM elements which this CompositeElement encapsulates. Read-only.&lt;/p&gt;
* &lt;p&gt;This will not &lt;i&gt;usually&lt;/i&gt; 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.&lt;/p&gt;
* &lt;p&gt;For example to add the &lt;code&gt;nextAll&lt;/code&gt; method to the class to &lt;b&gt;add&lt;/b&gt; all
* following siblings of selected elements, the code would be&lt;/p&gt;&lt;code&gt;&lt;pre&gt;
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 &lt; 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);
}
});&lt;/pre&gt;&lt;/code&gt;
* @type Array
* @property elements
*/
this.elements = [];
this.add(els, root);
this.el = new Ext.Element.Flyweight();
};
Ext.CompositeElementLite.prototype = {
isComposite: true,
// private
getElement : function(el){
// Set the shared flyweight dom property to the current element
var e = this.el;
e.dom = el;
e.id = el.id;
return e;
},
// private
transformElement : function(el){
return Ext.getDom(el);
},
<span id='Ext-CompositeElementLite-method-getCount'> /**
</span> * Returns the number of elements in this Composite.
* @return Number
*/
getCount : function(){
return this.elements.length;
},
<span id='Ext-CompositeElementLite-method-add'> /**
</span> * 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, root){
var me = this,
elements = me.elements;
if(!els){
return this;
}
if(typeof els == &quot;string&quot;){
els = Ext.Element.selectorFunction(els, root);
}else if(els.isComposite){
els = els.elements;
}else if(!Ext.isIterable(els)){
els = [els];
}
for(var i = 0, len = els.length; i &lt; len; ++i){
elements.push(me.transformElement(els[i]));
}
return me;
},
invoke : function(fn, args){
var me = this,
els = me.elements,
len = els.length,
e,
i;
for(i = 0; i &lt; len; i++) {
e = els[i];
if(e){
Ext.Element.prototype[fn].apply(me.getElement(e), args);
}
}
return me;
},
<span id='Ext-CompositeElementLite-method-item'> /**
</span> * 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,
el = me.elements[index],
out = null;
if(el){
out = me.getElement(el);
}
return out;
},
// fixes scope with flyweight
addListener : function(eventName, handler, scope, opt){
var els = this.elements,
len = els.length,
i, e;
for(i = 0; i&lt;len; i++) {
e = els[i];
if(e) {
Ext.EventManager.on(e, eventName, handler, scope || e, opt);
}
}
return this;
},
<span id='Ext-CompositeElementLite-method-each'> /**
</span> * &lt;p&gt;Calls the passed function for each element in this composite.&lt;/p&gt;
* @param {Function} fn The function to call. The function is passed the following parameters:&lt;ul&gt;
* &lt;li&gt;&lt;b&gt;el&lt;/b&gt; : Element&lt;div class=&quot;sub-desc&quot;&gt;The current Element in the iteration.
* &lt;b&gt;This is the flyweight (shared) Ext.Element instance, so if you require a
* a reference to the dom node, use el.dom.&lt;/b&gt;&lt;/div&gt;&lt;/li&gt;
* &lt;li&gt;&lt;b&gt;c&lt;/b&gt; : Composite&lt;div class=&quot;sub-desc&quot;&gt;This Composite object.&lt;/div&gt;&lt;/li&gt;
* &lt;li&gt;&lt;b&gt;idx&lt;/b&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The zero-based index in the iteration.&lt;/div&gt;&lt;/li&gt;
* &lt;/ul&gt;
* @param {Object} scope (optional) The scope (&lt;i&gt;this&lt;/i&gt; reference) in which the function is executed. (defaults to the Element)
* @return {CompositeElement} this
*/
each : function(fn, scope){
var me = this,
els = me.elements,
len = els.length,
i, e;
for(i = 0; i&lt;len; i++) {
e = els[i];
if(e){
e = this.getElement(e);
if(fn.call(scope || e, e, me, i) === false){
break;
}
}
}
return me;
},
<span id='Ext-CompositeElementLite-method-fill'> /**
</span> * 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;
},
<span id='Ext-CompositeElementLite-method-filter'> /**
</span> * 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:&lt;ul&gt;
* &lt;li&gt;&lt;code&gt;el&lt;/code&gt; : Ext.Element&lt;div class=&quot;sub-desc&quot;&gt;The current DOM element.&lt;/div&gt;&lt;/li&gt;
* &lt;li&gt;&lt;code&gt;index&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The current index within the collection.&lt;/div&gt;&lt;/li&gt;
* &lt;/ul&gt;
* @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] = me.transformElement(el);
}
});
me.elements = els;
return me;
},
<span id='Ext-CompositeElementLite-method-indexOf'> /**
</span> * 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(this.transformElement(el));
},
<span id='Ext-CompositeElementLite-method-replaceElement'> /**
</span> * 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 &gt; -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;
},
<span id='Ext-CompositeElementLite-method-clear'> /**
</span> * Removes all elements.
*/
clear : function(){
this.elements = [];
}
};
Ext.CompositeElementLite.prototype.on = Ext.CompositeElementLite.prototype.addListener;
<span id='Ext-CompositeElementLite-method-importElementMethods'>/**
</span> * @private
* Copies all of the functions from Ext.Element's prototype onto CompositeElementLite's prototype.
* This is called twice - once immediately below, and once again after additional Ext.Element
* are added in Ext JS
*/
Ext.CompositeElementLite.importElementMethods = function() {
var fnName,
ElProto = Ext.Element.prototype,
CelProto = Ext.CompositeElementLite.prototype;
for (fnName in ElProto) {
if (typeof ElProto[fnName] == 'function'){
(function(fnName) {
CelProto[fnName] = CelProto[fnName] || function() {
return this.invoke(fnName, arguments);
};
}).call(CelProto, fnName);
}
}
};
Ext.CompositeElementLite.importElementMethods();
if(Ext.DomQuery){
Ext.Element.selectorFunction = Ext.DomQuery.select;
}
<span id='Ext-Element-static-method-select'>/**
</span> * 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 {HTMLElement/String} root (optional) The root element of the query or id of the root
* @return {CompositeElementLite/CompositeElement}
* @member Ext.Element
* @method select
* @static
*/
Ext.Element.select = function(selector, root){
var els;
if(typeof selector == &quot;string&quot;){
els = Ext.Element.selectorFunction(selector, root);
}else if(selector.length !== undefined){
els = selector;
}else{
throw &quot;Invalid selector&quot;;
}
return new Ext.CompositeElementLite(els);
};
<span id='Ext-method-select'>/**
</span> * 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 {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>
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