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<div class="body-wrap">
<div class="top-tools">
<a class="inner-link" href="#Ext.tree.MultiSelectionModel-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>
<a class="inner-link" href="#Ext.tree.MultiSelectionModel-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>
<a class="inner-link" href="#Ext.tree.MultiSelectionModel-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>
<a class="inner-link" href="#Ext.tree.MultiSelectionModel-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>
<a class="bookmark" href="../docs/?class=Ext.tree.MultiSelectionModel"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>
</div>
<div class="inheritance res-block">
<pre class="res-block-inner"><a ext:cls="Ext.util.Observable" ext:member="" href="output/Ext.util.Observable.html">Observable</a>
<img src="resources/elbow-end.gif"/>MultiSelectionModel</pre></div>
<h1>Class Ext.tree.MultiSelectionModel</h1>
<table cellspacing="0">
<tr><td class="label">Package:</td><td class="hd-info">Ext.tree</td></tr>
<tr><td class="label">Defined In:</td><td class="hd-info"><a href="../source/widgets/tree/TreeSelectionModel.js" target="_blank">TreeSelectionModel.js</a></td></tr>
<tr><td class="label">Class:</td><td class="hd-info">MultiSelectionModel</td></tr>
<tr><td class="label">Extends:</td><td class="hd-info"><a ext:cls="Ext.util.Observable" ext:member="" href="output/Ext.util.Observable.html">Observable</a></td></tr>
</table>
<div class="description">
Multi selection for a TreePanel. </div>
<div class="hr"></div>
<a id="Ext.tree.MultiSelectionModel-configs"></a>
<h2>Config Options</h2>
<table cellspacing="0" class="member-table">
<tr>
<th class="sig-header" colspan="2">Config Options</th>
<th class="msource-header">Defined By</th>
</tr>
<tr class="config-row inherited expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-listeners"></a>
<b>listeners</b> : Object <div class="mdesc">
<div class="short">A config object containing one or more event handlers to be added to this object during initialization. This should b...</div>
<div class="long">
A config object containing one or more event handlers to be added to this object during initialization. This should be a valid listeners config object as specified in the <a ext:cls="Ext.util.Observable" ext:member="addListener" href="output/Ext.util.Observable.html#addListener">addListener</a> example for attaching multiple handlers at once. </div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#listeners" href="output/Ext.util.Observable.html#listeners">Observable</a></td>
</tr>
</table>
<a id="Ext.tree.MultiSelectionModel-props"></a>
<h2>Public Properties</h2>
<div class="no-members">This class has no public properties.</div> <a id="Ext.tree.MultiSelectionModel-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 inherited expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-addEvents"></a>
<b>addEvents</b>(&nbsp;<code>Object object</code>&nbsp;) : void <div class="mdesc">
<div class="short">Used to define events on this Observable</div>
<div class="long">
Used to define events on this Observable <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>object</code> : Object<div class="sub-desc">The object with the events defined</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addEvents" href="output/Ext.util.Observable.html#addEvents">Observable</a></td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-addListener"></a>
<b>addListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void <div class="mdesc">
<div class="short">Appends an event handler to this component</div>
<div class="long">
Appends an event handler to this component <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration
properties. This may contain any of the following properties:<ul>
<li><b>scope</b> : Object<p class="sub-desc">The scope in which to execute the handler function. The handler function's "this" context.</p></li>
<li><b>delay</b> : Number<p class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</p></li>
<li><b>single</b> : Boolean<p class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</p></li>
<li><b>buffer</b> : Number<p class="sub-desc">Causes the handler to be scheduled to run in an <a ext:cls="Ext.util.DelayedTask" href="output/Ext.util.DelayedTask.html">Ext.util.DelayedTask</a> delayed
by the specified number of milliseconds. If the event fires again within that time, the original
handler is <em>not</em> invoked, but the new handler is scheduled in its place.</p></li>
</ul><br>
<p>
<b>Combining Options</b><br>
Using the options argument, it is possible to combine different types of listeners:<br>
<br>
A normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)
<pre><code>el.on(<em>'click'</em>, <b>this</b>.onClick, <b>this</b>, {
single: true,
delay: 100,
forumId: 4
});</code></pre>
<p>
<b>Attaching multiple handlers in 1 call</b><br>
The method also allows for a single argument to be passed which is a config object containing properties
which specify multiple handlers.
<p>
<pre><code>foo.on({
<em>'click'</em> : {
fn: <b>this</b>.onClick,
scope: <b>this</b>,
delay: 100
},
<em>'mouseover'</em> : {
fn: <b>this</b>.onMouseOver,
scope: <b>this</b>
},
<em>'mouseout'</em> : {
fn: <b>this</b>.onMouseOut,
scope: <b>this</b>
}
});</code></pre>
<p>
Or a shorthand syntax:<br>
<pre><code>foo.on({
<em>'click'</em> : <b>this</b>.onClick,
<em>'mouseover'</em> : <b>this</b>.onMouseOver,
<em>'mouseout'</em> : <b>this</b>.onMouseOut,
scope: <b>this</b>
});</code></pre></div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addListener" href="output/Ext.util.Observable.html#addListener">Observable</a></td>
</tr>
<tr class="method-row expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-clearSelections"></a>
<b>clearSelections</b>() : void <div class="mdesc">
<div class="short">Clear all selections</div>
<div class="long">
Clear all selections <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-fireEvent"></a>
<b>fireEvent</b>(&nbsp;<code>String eventName</code>, <code>Object... args</code>&nbsp;) : Boolean <div class="mdesc">
<div class="short">Fires the specified event with the passed parameters (minus the event name).</div>
<div class="long">
Fires the specified event with the passed parameters (minus the event name). <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc"></div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true</div></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#fireEvent" href="output/Ext.util.Observable.html#fireEvent">Observable</a></td>
</tr>
<tr class="method-row expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-getSelectedNodes"></a>
<b>getSelectedNodes</b>() : Array <div class="mdesc">
<div class="short">Returns an array of the selected nodes</div>
<div class="long">
Returns an array of the selected nodes <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Array</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-hasListener"></a>
<b>hasListener</b>(&nbsp;<code>String eventName</code>&nbsp;) : Boolean <div class="mdesc">
<div class="short">Checks to see if this object has any listeners for a specified event</div>
<div class="long">
Checks to see if this object has any listeners for a specified event <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#hasListener" href="output/Ext.util.Observable.html#hasListener">Observable</a></td>
</tr>
<tr class="method-row expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-isSelected"></a>
<b>isSelected</b>(&nbsp;<code>TreeNode node</code>&nbsp;) : Boolean <div class="mdesc">
<div class="short">Returns true if the node is selected</div>
<div class="long">
Returns true if the node is selected <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to check</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-on"></a>
<b>on</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void <div class="mdesc">
<div class="short">Appends an event handler to this element (shorthand for addListener)</div>
<div class="long">
Appends an event handler to this element (shorthand for addListener) <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional)</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#on" href="output/Ext.util.Observable.html#on">Observable</a></td>
</tr>
<tr class="method-row inherited expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-purgeListeners"></a>
<b>purgeListeners</b>() : void <div class="mdesc">
<div class="short">Removes all listeners for this object</div>
<div class="long">
Removes all listeners for this object <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#purgeListeners" href="output/Ext.util.Observable.html#purgeListeners">Observable</a></td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-removeListener"></a>
<b>removeListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void <div class="mdesc">
<div class="short">Removes a listener</div>
<div class="long">
Removes a listener <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#removeListener" href="output/Ext.util.Observable.html#removeListener">Observable</a></td>
</tr>
<tr class="method-row inherited expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-resumeEvents"></a>
<b>resumeEvents</b>() : void <div class="mdesc">
<div class="short">Resume firing events. (see <a ext:cls="Ext.util.Observable" ext:member="suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">suspendEvents</a>)</div>
<div class="long">
Resume firing events. (see <a ext:cls="Ext.util.Observable" ext:member="suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">suspendEvents</a>) <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">Observable</a></td>
</tr>
<tr class="method-row alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-select"></a>
<b>select</b>(&nbsp;<code>TreeNode node</code>, <span class="optional" title="Optional">[<code>EventObject e</code>]</span>, <code>Boolean keepExisting</code>&nbsp;) : TreeNode <div class="mdesc">
<div class="short">Select a node.</div>
<div class="long">
Select a node. <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to select</div></li><li><code>e</code> : EventObject<div class="sub-desc">(optional) An event associated with the selection</div></li><li><code>keepExisting</code> : Boolean<div class="sub-desc">True to retain existing selections</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>TreeNode</code><div class="sub-desc">The selected node</div></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
<tr class="method-row inherited expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-suspendEvents"></a>
<b>suspendEvents</b>() : void <div class="mdesc">
<div class="short">Suspend the firing of all events. (see <a ext:cls="Ext.util.Observable" ext:member="resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">resumeEvents</a>)</div>
<div class="long">
Suspend the firing of all events. (see <a ext:cls="Ext.util.Observable" ext:member="resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">resumeEvents</a>) <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">Observable</a></td>
</tr>
<tr class="method-row inherited alt expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-un"></a>
<b>un</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void <div class="mdesc">
<div class="short">Removes a listener (shorthand for removeListener)</div>
<div class="long">
Removes a listener (shorthand for removeListener) <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#un" href="output/Ext.util.Observable.html#un">Observable</a></td>
</tr>
<tr class="method-row expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-unselect"></a>
<b>unselect</b>(&nbsp;<code>TreeNode node</code>&nbsp;) : void <div class="mdesc">
<div class="short">Deselect a node.</div>
<div class="long">
Deselect a node. <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to unselect</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
</table>
<a id="Ext.tree.MultiSelectionModel-events"></a>
<h2>Public Events</h2>
<table cellspacing="0" class="member-table">
<tr>
<th class="sig-header" colspan="2">Event</th>
<th class="msource-header">Defined By</th>
</tr>
<tr class="event-row expandable">
<td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
<td class="sig">
<a id="Ext.tree.MultiSelectionModel-selectionchange"></a>
<b>selectionchange</b> : (&nbsp;<code>MultiSelectionModel this</code>, <code>Array nodes</code>&nbsp;) <div class="mdesc">
<div class="short">Fires when the selected nodes change</div>
<div class="long">
Fires when the selected nodes change <div class="mdetail-params">
<strong style="font-weight:normal;">Listeners will be called with the following arguments:</strong>
<ul><li><code>this</code> : MultiSelectionModel<div class="sub-desc"></div></li><li><code>nodes</code> : Array<div class="sub-desc">Array of the selected nodes</div></li> </ul>
</div>
</div>
</div>
</td>
<td class="msource">MultiSelectionModel</td>
</tr>
</table>
</div>