Upgrade to ExtJS 3.2.1 - Released 04/27/2010
[extjs.git] / docs / output / Ext.util.TaskRunner.html
index 23f2e1a..994cba7 100644 (file)
@@ -1,4 +1,4 @@
-<div xmlns:ext="http://www.extjs.com" class="body-wrap"><h1>Class <a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">Ext.util.TaskRunner</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.util</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">TaskMgr.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">TaskRunner</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.TaskMgr.html" ext:cls="Ext.TaskMgr">TaskMgr</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description">Provides the ability to execute one or more arbitrary tasks in a multithreaded
+<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.util.TaskRunner-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.util.TaskRunner-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.util.TaskRunner-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="bookmark" href="../docs/?class=Ext.util.TaskRunner"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><h1>Class <a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">Ext.util.TaskRunner</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.util</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">TaskMgr.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">TaskRunner</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.TaskMgr.html" ext:cls="Ext.TaskMgr">TaskMgr</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description">Provides the ability to execute one or more arbitrary tasks in a multithreaded
 manner.  Generally, you can use the singleton <a href="output/Ext.TaskMgr.html" ext:cls="Ext.TaskMgr">Ext.TaskMgr</a> instead, but
 if needed, you can create separate instances of TaskRunner.  Any number of
 separate tasks can be started at any time and will run independently of each
 manner.  Generally, you can use the singleton <a href="output/Ext.TaskMgr.html" ext:cls="Ext.TaskMgr">Ext.TaskMgr</a> instead, but
 if needed, you can create separate instances of TaskRunner.  Any number of
 separate tasks can be started at any time and will run independently of each
@@ -19,26 +19,31 @@ Ext.TaskMgr.start({
     run: updateClock,
     interval: 1000
 });</code></pre>
     run: updateClock,
     interval: 1000
 });</code></pre>
-Also see <a href="output/Ext.util.DelayedTask.html" ext:cls="Ext.util.DelayedTask">Ext.util.DelayedTask</a>.</div><div class="hr"></div><a id="Ext.util.TaskRunner-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.util.TaskRunner-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-TaskRunner"></a><b><a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">TaskRunner</a></b>(&nbsp;<span title="Optional" class="optional">[<code>Number&nbsp;interval</code>]</span>&nbsp;)\r
+<p>See the <a href="output/Ext.util.TaskRunner.html#Ext.util.TaskRunner-start" ext:member="start" ext:cls="Ext.util.TaskRunner">start</a> method for details about how to configure a task object.</p>
+Also see <a href="output/Ext.util.DelayedTask.html" ext:cls="Ext.util.DelayedTask">Ext.util.DelayedTask</a>.</div><div class="hr"></div><a id="Ext.util.TaskRunner-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.util.TaskRunner-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-TaskRunner"></a><b><a href="source/TaskMgr.html#cls-Ext.util.TaskRunner">TaskRunner</a></b>(&nbsp;<span title="Optional" class="optional">[<code>Number&nbsp;interval</code>]</span>&nbsp;)
     <div class="mdesc"><div class="short"></div><div class="long"><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>interval</code> : Number<div class="sub-desc">(optional) The minimum precision in milliseconds supported by this TaskRunner instance
     <div class="mdesc"><div class="short"></div><div class="long"><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>interval</code> : Number<div class="sub-desc">(optional) The minimum precision in milliseconds supported by this TaskRunner instance
-(defaults to 10)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-start"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-start">start</a></b>(&nbsp;<code>Object&nbsp;task</code>&nbsp;)\r
-    :\r
-                                        Object<div class="mdesc"><div class="short">Starts a new task.</div><div class="long">Starts a new task.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>task</code> : Object<div class="sub-desc">A config object that supports the following properties:<ul>
-<li><code>run</code> : Function<div class="sub-desc">The function to execute each time the task is run. The
-function will be called at each interval and passed the <code>args</code> argument if specified.  If a
-particular scope is required, be sure to specify it using the <code>scope</code> argument.</div></li>
+(defaults to 10)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-start"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-start">start</a></b>(&nbsp;<code>Object&nbsp;task</code>&nbsp;)
+    :
+                                        Object<div class="mdesc"><div class="short">Starts a new task.</div><div class="long">Starts a new task.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>task</code> : Object<div class="sub-desc"><p>A config object that supports the following properties:<ul>
+<li><code>run</code> : Function<div class="sub-desc"><p>The function to execute each time the task is invoked. The
+function will be called at each interval and passed the <code>args</code> argument if specified, and the
+current invocation count if not.</p>
+<p>If a particular scope (<code>this</code> reference) is required, be sure to specify it using the <code>scope</code> argument.</p>
+<p>Return <code>false</code> from this function to terminate the task.</p></div></li>
 <li><code>interval</code> : Number<div class="sub-desc">The frequency in milliseconds with which the task
 <li><code>interval</code> : Number<div class="sub-desc">The frequency in milliseconds with which the task
-should be executed.</div></li>
+should be invoked.</div></li>
 <li><code>args</code> : Array<div class="sub-desc">(optional) An array of arguments to be passed to the function
 <li><code>args</code> : Array<div class="sub-desc">(optional) An array of arguments to be passed to the function
-specified by <code>run</code>.</div></li>
+specified by <code>run</code>. If not specified, the current invocation count is passed.</div></li>
 <li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<tt>this</tt> reference) in which to execute the
 <code>run</code> function. Defaults to the task config object.</div></li>
 <li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<tt>this</tt> reference) in which to execute the
 <code>run</code> function. Defaults to the task config object.</div></li>
-<li><code>duration</code> : Number<div class="sub-desc">(optional) The length of time in milliseconds to execute
+<li><code>duration</code> : Number<div class="sub-desc">(optional) The length of time in milliseconds to invoke
 the task before stopping automatically (defaults to indefinite).</div></li>
 the task before stopping automatically (defaults to indefinite).</div></li>
-<li><code>repeat</code> : Number<div class="sub-desc">(optional) The number of times to execute the task before
+<li><code>repeat</code> : Number<div class="sub-desc">(optional) The number of times to invoke the task before
 stopping automatically (defaults to indefinite).</div></li>
 stopping automatically (defaults to indefinite).</div></li>
-</ul></div></li></ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">The task</div></li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-stop"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-stop">stop</a></b>(&nbsp;<code>Object&nbsp;task</code>&nbsp;)\r
-    :\r
-                                        Object<div class="mdesc"><div class="short">Stops an existing running task.</div><div class="long">Stops an existing running task.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>task</code> : Object<div class="sub-desc">The task to stop</div></li></ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">The task</div></li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-stopAll"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-stopAll">stopAll</a></b>()\r
-    :\r
+</ul></p>
+<p>Before each invocation, Ext injects the property <code>taskRunCount</code> into the task object so
+that calculations based on the repeat count can be performed.</p></div></li></ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">The task</div></li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-stop"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-stop">stop</a></b>(&nbsp;<code>Object&nbsp;task</code>&nbsp;)
+    :
+                                        Object<div class="mdesc"><div class="short">Stops an existing running task.</div><div class="long">Stops an existing running task.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>task</code> : Object<div class="sub-desc">The task to stop</div></li></ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">The task</div></li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.TaskRunner-stopAll"></a><b><a href="source/TaskMgr.html#method-Ext.util.TaskRunner-stopAll">stopAll</a></b>()
+    :
                                         void<div class="mdesc"><div class="short">Stops all tasks that are currently running.</div><div class="long">Stops all tasks that are currently running.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr></tbody></table><a id="Ext.util.TaskRunner-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>
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                                         void<div class="mdesc"><div class="short">Stops all tasks that are currently running.</div><div class="long">Stops all tasks that are currently running.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">TaskRunner</td></tr></tbody></table><a id="Ext.util.TaskRunner-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>
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