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<h1>Class Ext.util.DelayedTask</h1>
<table cellspacing="0">
<tr><td class="label">Package:</td><td>Ext.util</td></tr>
<tr><td class="label">Class:</td><td>DelayedTask</td></tr>
<tr><td class="label">Extends:</td><td>Object</td></tr>
<tr><td class="label">Defined In:</td><td><a href="DelayedTask.jss.html">DelayedTask.js</a></td></tr>
</table>
<div class="description">
Provides a convenient method of performing setTimeout where a new
timeout cancels the old timeout. An example would be performing validation on a keypress.
You can use this class to buffer
the keypress events for a certain number of milliseconds, and perform only if they stop
for that amount of time. </div>
<br />
<a href="#properties">Properties</a>
&nbsp;&nbsp;-&nbsp;&nbsp;<a href="#methods">Methods</a>
&nbsp;&nbsp;-&nbsp;&nbsp;<a href="#events">Events</a>
<hr />
<a name="properties"></a>
<h2>Public Properties</h2>
<div class="no-members">This class has no public properties.</div> <a name="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>
<td class="micon" rowspan="2">&nbsp;</td>
<td class="sig"><a class="mlink" href="#DelayedTask">DelayedTask</a>(<span class="optional" title="Optional">[<code>Function fn</code>]</span>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Array args</code>]</span>)</td>
<td class="msource" rowspan="2">DelayedTask</td>
</tr>
<tr>
<td class="mdesc">The parameters to this constructor serve as defaults and are not required.</td>
</tr>
<tr class="alt">
<td class="micon" rowspan="2">&nbsp;</td>
<td class="sig"><a class="mlink" href="#cancel">cancel</a>() : void</td>
<td class="msource" rowspan="2">DelayedTask</td>
</tr>
<tr class="alt">
<td class="mdesc">Cancel the last queued timeout</td>
</tr>
<tr>
<td class="micon" rowspan="2">&nbsp;</td>
<td class="sig"><a class="mlink" href="#delay">delay</a>(<code>Number delay</code>, <span class="optional" title="Optional">[<code>Function newFn</code>]</span>, <span class="optional" title="Optional">[<code>Object newScope</code>]</span>, <span class="optional" title="Optional">[<code>Array newArgs</code>]</span>) : void</td>
<td class="msource" rowspan="2">DelayedTask</td>
</tr>
<tr>
<td class="mdesc">Cancels any pending timeout and queues a new one</td>
</tr>
</table>
<a name="events"></a>
<h2>Public Events</h2>
<div class="no-members">This class has no public events.</div>
<a name="DelayedTask"></a>
<h2 class="mdetail-head">Constructor Details</h2>
<div class="detail-wrap">
<div class="mdetail">
<h3>DelayedTask</i></h3>
<code>public function DelayedTask(<span class="optional" title="Optional">[<code>Function fn</code>]</span>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Array args</code>]</span>)</code>
<div class="mdetail-desc">
The parameters to this constructor serve as defaults and are not required. <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>fn</code> : Function<div class="sub-desc">(optional) The default function to timeout</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The default scope of that timeout</div></li><li><code>args</code> : Array<div class="sub-desc">(optional) The default Array of arguments</div></li> </ul>
</div>
</div>
</div>
</div>
<h2 class="mdetail-head">Method Details</h2>
<div class="detail-wrap">
<a name="cancel"></a>
<div class="mdetail">
<h3>cancel</i></h3>
<code>public function cancel()</code>
<div class="mdetail-desc">
Cancel the last queued timeout
<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 class="mdetail-def">This method is defined by DelayedTask.</div>
</div>
<a name="delay"></a>
<div class="mdetail alt">
<h3>delay</i></h3>
<code>public function delay(<code>Number delay</code>, <span class="optional" title="Optional">[<code>Function newFn</code>]</span>, <span class="optional" title="Optional">[<code>Object newScope</code>]</span>, <span class="optional" title="Optional">[<code>Array newArgs</code>]</span>)</code>
<div class="mdetail-desc">
Cancels any pending timeout and queues a new one
<div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>delay</code> : Number<div class="sub-desc">The milliseconds to delay</div></li><li><code>newFn</code> : Function<div class="sub-desc">(optional) Overrides function passed to constructor</div></li><li><code>newScope</code> : Object<div class="sub-desc">(optional) Overrides scope passed to constructor</div></li><li><code>newArgs</code> : Array<div class="sub-desc">(optional) Overrides args passed to constructor</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
</div>
<div class="mdetail-def">This method is defined by DelayedTask.</div>
</div>
</div>
</div>
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