X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..c8256059947f3aa8f5b0a9a2acf55e2142bb4742:/docs/output/Ext.dd.DragTracker.html

diff --git a/docs/output/Ext.dd.DragTracker.html b/docs/output/Ext.dd.DragTracker.html
index 446bd0d7..35a5f4f4 100644
--- a/docs/output/Ext.dd.DragTracker.html
+++ b/docs/output/Ext.dd.DragTracker.html
@@ -1,5 +1,10 @@
-<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.dd.DragTracker-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.dd.DragTracker"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif">DragTracker</pre></div><h1>Class <a href="source/DragTracker.html#cls-Ext.dd.DragTracker">Ext.dd.DragTracker</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.dd</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">DragTracker.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DragTracker.html#cls-Ext.dd.DragTracker">DragTracker</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.util.Observable.html" ext:cls="Ext.util.Observable" ext:member="">Observable</a></td></tr></table><div class="description"></div><div class="hr"></div><a id="Ext.dd.DragTracker-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-active"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-active">active</a></b> : Boolean<div class="mdesc">Defaults to <tt>false</tt>.</div></td><td class="msource">DragTracker</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-autoStart"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-autoStart">autoStart</a></b> : Boolean/Number<div class="mdesc"><div class="short">Defaults to false. Specify true to defer trigger start by 1000 ms.&#13;
-Specify a Number for the number of milliseconds t...</div><div class="long">Defaults to <tt>false</tt>. Specify <tt>true</tt> to defer trigger start by 1000 ms.
+<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.dd.DragTracker-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.dd.DragTracker-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.dd.DragTracker"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif">DragTracker</pre></div><h1>Class <a href="source/DragTracker.html#cls-Ext.dd.DragTracker">Ext.dd.DragTracker</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.dd</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/DragTracker.html#cls-Ext.dd.DragTracker">DragTracker.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DragTracker.html#cls-Ext.dd.DragTracker">DragTracker</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.util.Observable.html" ext:cls="Ext.util.Observable" ext:member="">Observable</a></td></tr></table><div class="description">A DragTracker listens for drag events on an Element and fires events at the start and end of the drag,
+as well as during the drag. This is useful for components such as <a href="output/Ext.Slider.html" ext:cls="Ext.Slider">Ext.Slider</a>, where there is
+an element that can be dragged around to change the Slider's value.
+DragTracker provides a series of template methods that should be overridden to provide functionality
+in response to detected drag operations. These are onBeforeStart, onStart, onDrag and onEnd.
+See <a href="output/Ext.Slider.html" ext:cls="Ext.Slider">Ext.Slider</a>'s initEvents function for an example implementation.</div><div class="hr"></div><a id="Ext.dd.DragTracker-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-active"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-active">active</a></b> : Boolean<div class="mdesc">Defaults to <tt>false</tt>.</div></td><td class="msource">DragTracker</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-autoStart"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-autoStart">autoStart</a></b> : Boolean/Number<div class="mdesc"><div class="short">Defaults to false. Specify true to defer trigger start by 1000 ms.
+Specify a Number for the number of milliseconds to...</div><div class="long">Defaults to <tt>false</tt>. Specify <tt>true</tt> to defer trigger start by 1000 ms.
 Specify a Number for the number of milliseconds to defer trigger start.</div></div></td><td class="msource">DragTracker</td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-listeners"></a><b><a href="source/Observable.html#cfg-Ext.util.Observable-listeners">listeners</a></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 ...</div><div class="long"><p>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
@@ -55,9 +60,11 @@ Ext.DomObserver = Ext.extend(Object, {
     typeAhead: true,
     mode: <em>'local'</em>,
     triggerAction: <em>'all'</em>
-});</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-tolerance"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-tolerance">tolerance</a></b> : Number<div class="mdesc">Defaults to <tt>5</tt>.</div></td><td class="msource">DragTracker</td></tr></tbody></table><a id="Ext.dd.DragTracker-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.dd.DragTracker-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 inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>(&nbsp;<code>Object&nbsp;object</code>&nbsp;)
+});</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-tolerance"></a><b><a href="source/DragTracker.html#cfg-Ext.dd.DragTracker-tolerance">tolerance</a></b> : Number<div class="mdesc">Number of pixels the drag target must be moved before dragging is considered to have started. Defaults to <tt>5</tt>.</div></td><td class="msource">DragTracker</td></tr></tbody></table><a id="Ext.dd.DragTracker-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.dd.DragTracker-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 inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>(&nbsp;<code>Object|String&nbsp;o</code>,&nbsp;<code>string&nbsp;Optional.</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>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addEvents" ext:member="#addEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addListener">addListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)
+                                        void<div class="mdesc"><div class="short">Adds the specified events to the list of events which this Observable may fire.</div><div class="long">Adds the specified events to the list of events which this Observable may fire.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object|String<div class="sub-desc">Either an object with event names as properties with a value of <code>true</code>
+or the first event name string if multiple event names are being passed as separate parameters.</div></li><li><code>Optional.</code> : string<div class="sub-desc">Event name if multiple event names are being passed as separate parameters.
+Usage:<pre><code>this.addEvents(<em>'storeloaded'</em>, <em>'storecleared'</em>);</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addEvents" ext:member="#addEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addListener">addListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)
     :
                                         void<div class="mdesc"><div class="short">Appends an event handler to this object.</div><div class="long">Appends an event handler to this object.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the 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 (<code><b>this</b></code> reference) in which the handler function is executed.
 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.
@@ -78,8 +85,8 @@ Using the options argument, it is possible to combine different types of listene
 <br>
 A delayed, one-time listener.
 <pre><code>myDataView.on(<em>'click'</em>, this.onClick, this, {
-    single: true,
-    delay: 100
+single: true,
+delay: 100
 });</code></pre>
 <p>
 <b>Attaching multiple handlers in 1 call</b><br>
@@ -87,40 +94,87 @@ The method also allows for a single argument to be passed which is a config obje
 which specify multiple handlers.
 <p>
 <pre><code>myGridPanel.on({
-    <em>'click'</em> : {
-        fn: this.onClick,
-        scope: this,
-        delay: 100
-    },
-    <em>'mouseover'</em> : {
-        fn: this.onMouseOver,
-        scope: this
-    },
-    <em>'mouseout'</em> : {
-        fn: this.onMouseOut,
-        scope: this
-    }
+<em>'click'</em> : {
+    fn: this.onClick,
+    scope: this,
+    delay: 100
+},
+<em>'mouseover'</em> : {
+    fn: this.onMouseOver,
+    scope: this
+},
+<em>'mouseout'</em> : {
+    fn: this.onMouseOut,
+    scope: this
+}
 });</code></pre>
 <p>
 Or a shorthand syntax:<br>
 <pre><code>myGridPanel.on({
-    <em>'click'</em> : this.onClick,
-    <em>'mouseover'</em> : this.onMouseOver,
-    <em>'mouseout'</em> : this.onMouseOut,
-     scope: this
-});</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>Object&nbsp;events</code>&nbsp;)
+<em>'click'</em> : this.onClick,
+<em>'mouseover'</em> : this.onMouseOver,
+<em>'mouseout'</em> : this.onMouseOut,
+ scope: this
+});</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>String/Array&nbsp;events</code>&nbsp;)
     :
-                                        void<div class="mdesc"><div class="short">Used to enable bubbling of events</div><div class="long">Used to enable bubbling of events<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : Object<div class="sub-desc"></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)
+                                        void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling
+this.getBubbleTarget() if present....</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling
+<code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>
+<p>This is commonly used by Ext.Components to bubble events to owner Containers. See <a href="output/Ext.Component.getBubbleTarget.html" ext:cls="Ext.Component.getBubbleTarget">Ext.Component.getBubbleTarget</a>. The default
+implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to
+access the required target more quickly.</p>
+<p>Example:</p><pre><code>Ext.override(Ext.form.Field, {
+    <i>//  Add functionality to Field&#39;s initComponent to enable the change event to bubble</i>
+    initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {
+        this.enableBubble(<em>'change'</em>);
+    }),
+
+    <i>//  We know that we want Field&#39;s events to bubble directly to the FormPanel.</i>
+    getBubbleTarget : <b>function</b>() {
+        <b>if</b> (!this.formPanel) {
+            this.formPanel = this.findParentByType(<em>'form'</em>);
+        }
+        <b>return</b> this.formPanel;
+    }
+});
+
+<b>var</b> myForm = <b>new</b> Ext.formPanel({
+    title: <em>'User Details'</em>,
+    items: [{
+        ...
+    }],
+    listeners: {
+        change: <b>function</b>() {
+            <i>// Title goes red <b>if</b> form has been modified.</i>
+            myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);
+        }
+    }
+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : String/Array<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)
     :
                                         Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
 An event may be set to bubble up an Obse...</div><div class="long"><p>Fires the specified event with the passed parameters (minus the event name).</p>
 <p>An event may be set to bubble up an Observable parent hierarchy (See <a href="output/Ext.Component.html#Ext.Component-getBubbleTarget" ext:member="getBubbleTarget" ext:cls="Ext.Component">Ext.Component.getBubbleTarget</a>)
-by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</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 href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>&nbsp;)
+by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</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 href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-getDragTarget"></a><b><a href="source/DragTracker.html#method-Ext.dd.DragTracker-getDragTarget">getDragTarget</a></b>()
+    :
+                                        Ext.Element<div class="mdesc"><div class="short">Returns the drag target</div><div class="long">Returns the drag target<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Ext.Element</code><div class="sub-desc">The element currently being tracked</div></li></ul></div></div></div></td><td class="msource">DragTracker</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>(&nbsp;<code>String&nbsp;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 href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)
     :
                                         void<div class="mdesc"><div class="short">Appends an event handler to this object (shorthand for addListener.)</div><div class="long">Appends an event handler to this object (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a>.)<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 (<code><b>this</b></code> reference) in which the handler function is executed.
-<b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#on" ext:member="#on" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-purgeListeners"></a><b><a href="source/Observable.html#method-Ext.util.Observable-purgeListeners">purgeListeners</a></b>()
+<b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#on" ext:member="#on" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-onBeforeStart"></a><b><a href="source/DragTracker.html#method-Ext.dd.DragTracker-onBeforeStart">onBeforeStart</a></b>(&nbsp;<code>Ext.EventObject&nbsp;e</code>&nbsp;)
+    :
+                                        void<div class="mdesc"><div class="short">Template method which should be overridden by each DragTracker instance. Called when the user first clicks and
+holds ...</div><div class="long">Template method which should be overridden by each DragTracker instance. Called when the user first clicks and
+holds the mouse button down. Return false to disallow the drag<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>e</code> : Ext.EventObject<div class="sub-desc">The event object</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">DragTracker</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-onDrag"></a><b><a href="source/DragTracker.html#method-Ext.dd.DragTracker-onDrag">onDrag</a></b>(&nbsp;<code>Ext.EventObject&nbsp;e</code>&nbsp;)
+    :
+                                        void<div class="mdesc"><div class="short">Template method which should be overridden by each DragTracker instance. Called whenever a drag has been detected.</div><div class="long">Template method which should be overridden by each DragTracker instance. Called whenever a drag has been detected.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>e</code> : Ext.EventObject<div class="sub-desc">The event object</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">DragTracker</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-onEnd"></a><b><a href="source/DragTracker.html#method-Ext.dd.DragTracker-onEnd">onEnd</a></b>(&nbsp;<code>Ext.EventObject&nbsp;e</code>&nbsp;)
+    :
+                                        void<div class="mdesc"><div class="short">Template method which should be overridden by each DragTracker instance. Called when a drag operation has been comple...</div><div class="long">Template method which should be overridden by each DragTracker instance. Called when a drag operation has been completed
+(e.g. the user clicked and held the mouse down, dragged the element and then released the mouse button)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>e</code> : Ext.EventObject<div class="sub-desc">The event object</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">DragTracker</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragTracker-onStart"></a><b><a href="source/DragTracker.html#method-Ext.dd.DragTracker-onStart">onStart</a></b>(&nbsp;<code>Array&nbsp;xy</code>&nbsp;)
+    :
+                                        void<div class="mdesc"><div class="short">Template method which should be overridden by each DragTracker instance. Called when a drag operation starts
+(e.g. th...</div><div class="long">Template method which should be overridden by each DragTracker instance. Called when a drag operation starts
+(e.g. the user has moved the tracked element beyond the specified tolerance)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>xy</code> : Array<div class="sub-desc">x and y co-ordinates of the original location of the tracked element</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">DragTracker</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-purgeListeners"></a><b><a href="source/Observable.html#method-Ext.util.Observable-purgeListeners">purgeListeners</a></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>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#purgeListeners" ext:member="#purgeListeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-relayEvents"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-relayEvents">relayEvents</a></b>(&nbsp;<code>Object&nbsp;o</code>,&nbsp;<code>Array&nbsp;events</code>&nbsp;)
     :