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<a class="inner-link" href="#Ext.ComponentMgr-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a> |
<a class="inner-link" href="#Ext.ComponentMgr-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a> |
<a class="inner-link" href="#Ext.ComponentMgr-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a> |
<a class="bookmark" href="../docs/?class=Ext.ComponentMgr"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> |
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<h1>Class Ext.ComponentMgr</h1> |
<table cellspacing="0"> |
<tr><td class="label">Package:</td><td class="hd-info">Ext</td></tr> |
<tr><td class="label">Defined In:</td><td class="hd-info"><a href="../source/widgets/ComponentMgr.js" target="_blank">ComponentMgr.js</a></td></tr> |
<tr><td class="label">Class:</td><td class="hd-info">ComponentMgr</td></tr> |
<tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr> |
</table> |
<div class="description"> |
<p>Provides a registry of all Components (specifically subclasses of |
<a ext:cls="Ext.Component" href="output/Ext.Component.html">Ext.Component</a>) on a page so that they can be easily accessed by |
component id (see <a ext:cls="Ext.getCmp" href="output/Ext.getCmp.html">Ext.getCmp</a>).</p> |
<p>This object also provides a registry of available Component <i>classes</i> |
indexed by a mnemonic code known as the Component's <a ext:cls="Ext.Component" ext:member="xtype" href="output/Ext.Component.html#xtype">Ext.Component.xtype</a>. |
The <tt>xtype</tt> provides a way to avoid instantiating child Components |
when creating a full, nested config object for a complete Ext page.</p> |
<p> |
A child Component may be specified simply as a <i>config object</i> |
as long as the correct xtype is specified so that if and when the Component |
needs rendering, the correct type can be looked up for lazy instantiation.</p> |
<p>For a list of all available xtypes, see <a ext:cls="Ext.Component" href="output/Ext.Component.html">Ext.Component</a>.</p><br><br><i>This class is a singleton and cannot be created directly.</i> </div> |
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<div class="hr"></div> |
<a id="Ext.ComponentMgr-props"></a> |
<h2>Public Properties</h2> |
<table cellspacing="0" class="member-table"> |
<tr> |
<th class="sig-header" colspan="2">Property</th> |
<th class="msource-header">Defined By</th> |
</tr> |
<tr class="property-row expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-all"></a> |
<b>all</b> : MixedCollection <div class="mdesc"> |
<div class="short">The MixedCollection used internally for the component cache. An example usage may be subscribing to |
events on the Mix...</div> |
<div class="long"> |
The MixedCollection used internally for the component cache. An example usage may be subscribing to |
events on the MixedCollection to monitor addition or removal. Read-only. </div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
</table> |
<a id="Ext.ComponentMgr-methods"></a> |
<h2>Public Methods</h2> |
<table cellspacing="0" class="member-table"> |
<tr> |
<th class="sig-header" colspan="2">Method</th> |
<th class="msource-header">Defined By</th> |
</tr> |
<tr class="method-row expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-get"></a> |
<b>get</b>( <code>String id</code> ) : Ext.Component <div class="mdesc"> |
<div class="short">Returns a component by id</div> |
<div class="long"> |
Returns a component by id <div class="mdetail-params"> |
<strong>Parameters:</strong> |
<ul><li><code>id</code> : String<div class="sub-desc">The component id</div></li> </ul> |
<strong>Returns:</strong> |
<ul> |
<li><code>Ext.Component</code></li> |
</ul> |
</div> |
</div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
<tr class="method-row alt expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-onAvailable"></a> |
<b>onAvailable</b>( <code>String id</code>, <code>Function fn</code>, <code>Object scope</code> ) : void <div class="mdesc"> |
<div class="short">Registers a function that will be called when a specified component is added to ComponentMgr</div> |
<div class="long"> |
Registers a function that will be called when a specified component is added to ComponentMgr <div class="mdetail-params"> |
<strong>Parameters:</strong> |
<ul><li><code>id</code> : String<div class="sub-desc">The component id</div></li><li><code>fn</code> : Function<div class="sub-desc">The callback function</div></li><li><code>scope</code> : Object<div class="sub-desc">The scope of the callback</div></li> </ul> |
<strong>Returns:</strong> |
<ul> |
<li><code>void</code></li> |
</ul> |
</div> |
</div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
<tr class="method-row expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-register"></a> |
<b>register</b>( <code>Ext.Component c</code> ) : void <div class="mdesc"> |
<div class="short">Registers a component.</div> |
<div class="long"> |
Registers a component. <div class="mdetail-params"> |
<strong>Parameters:</strong> |
<ul><li><code>c</code> : Ext.Component<div class="sub-desc">The component</div></li> </ul> |
<strong>Returns:</strong> |
<ul> |
<li><code>void</code></li> |
</ul> |
</div> |
</div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
<tr class="method-row alt expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-registerType"></a> |
<b>registerType</b>( <code>String xtype</code>, <code>Constructor cls</code> ) : void <div class="mdesc"> |
<div class="short">Registers a new Component constructor, keyed by a new |
Ext.Component.xtype. |
Use this method to register new subclasses...</div> |
<div class="long"> |
Registers a new Component constructor, keyed by a new |
<a ext:cls="Ext.Component" ext:member="xtype" href="output/Ext.Component.html#xtype">Ext.Component.xtype</a>.<br><br> |
Use this method to register new subclasses of <a ext:cls="Ext.Component" href="output/Ext.Component.html">Ext.Component</a> so |
that lazy instantiation may be used when specifying child Components. |
see <a ext:cls="Ext.Container" ext:member="items" href="output/Ext.Container.html#items">Ext.Container.items</a> <div class="mdetail-params"> |
<strong>Parameters:</strong> |
<ul><li><code>xtype</code> : String<div class="sub-desc">The mnemonic string by which the Component class |
may be looked up.</div></li><li><code>cls</code> : Constructor<div class="sub-desc">The new Component class.</div></li> </ul> |
<strong>Returns:</strong> |
<ul> |
<li><code>void</code></li> |
</ul> |
</div> |
</div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
<tr class="method-row expandable"> |
<td class="micon"><a class="exi" href="#expand"> </a></td> |
<td class="sig"> |
<a id="Ext.ComponentMgr-unregister"></a> |
<b>unregister</b>( <code>Ext.Component c</code> ) : void <div class="mdesc"> |
<div class="short">Unregisters a component.</div> |
<div class="long"> |
Unregisters a component. <div class="mdetail-params"> |
<strong>Parameters:</strong> |
<ul><li><code>c</code> : Ext.Component<div class="sub-desc">The component</div></li> </ul> |
<strong>Returns:</strong> |
<ul> |
<li><code>void</code></li> |
</ul> |
</div> |
</div> |
</div> |
</td> |
<td class="msource">ComponentMgr</td> |
</tr> |
</table> |
<a id="Ext.ComponentMgr-events"></a> |
<h2>Public Events</h2> |
<div class="no-members">This class has no public events.</div> |
</div> |