Upgrade to ExtJS 4.0.7 - Released 10/19/2011
[extjs.git] / docs / output / Ext.dd.DragTracker.js
1 Ext.data.JsonP.Ext_dd_DragTracker({"tagname":"class","html":"<div><pre class=\"hierarchy\"><h4>Hierarchy</h4><div class='subclass first-child'><a href='#!/api/Ext.Base' rel='Ext.Base' class='docClass'>Ext.Base</a><div class='subclass '><strong>Ext.dd.DragTracker</strong></div></div><h4>Mixins</h4><div class='dependency'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='docClass'>Ext.util.Observable</a></div><h4>Uses</h4><div class='dependency'><a href='#!/api/Ext.util.Region' rel='Ext.util.Region' class='docClass'>Ext.util.Region</a></div><h4>Files</h4><div class='dependency'><a href='source/DragTracker.html#Ext-dd-DragTracker' target='_blank'>DragTracker.js</a></div></pre><div class='doc-contents'><p>A DragTracker listens for drag events on an Element and fires events at the start and end of the drag,\nas well as during the drag. This is useful for components such as <a href=\"#!/api/Ext.slider.Multi\" rel=\"Ext.slider.Multi\" class=\"docClass\">Ext.slider.Multi</a>, where there is\nan element that can be dragged around to change the Slider's value.\nDragTracker provides a series of template methods that should be overridden to provide functionality\nin response to detected drag operations. These are onBeforeStart, onStart, onDrag and onEnd.\nSee <a href=\"#!/api/Ext.slider.Multi\" rel=\"Ext.slider.Multi\" class=\"docClass\">Ext.slider.Multi</a>'s initEvents function for an example implementation.</p>\n</div><div class='members'><div id='m-cfg'><div class='definedBy'>Defined By</div><h3 class='members-title'>Config options</h3><div class='subsection'><div id='cfg-autoStart' class='member first-child not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-autoStart' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-autoStart' class='name expandable'>autoStart</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a>/<a href=\"#!/api/Number\" rel=\"Number\" class=\"docClass\">Number</a></span></div><div class='description'><div class='short'>Defaults to false. ...</div><div class='long'><p>Defaults to <code>false</code>. Specify <code>true</code> to defer trigger start by 1000 ms.\nSpecify a Number for the number of milliseconds to defer trigger start.</p>\n<p>Defaults to: <code>false</code></p></div></div></div><div id='cfg-constrainTo' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-constrainTo' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-constrainTo' class='name expandable'>constrainTo</a><span> : <a href=\"#!/api/Ext.util.Region\" rel=\"Ext.util.Region\" class=\"docClass\">Ext.util.Region</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a></span></div><div class='description'><div class='short'>A Region (Or an element from which a Region measurement will be read) which is used to constrain\nthe result of the ge...</div><div class='long'><p>A <a href=\"#!/api/Ext.util.Region\" rel=\"Ext.util.Region\" class=\"docClass\">Region</a> (Or an element from which a Region measurement will be read) which is used to constrain\nthe result of the <a href=\"#!/api/Ext.dd.DragTracker-method-getOffset\" rel=\"Ext.dd.DragTracker-method-getOffset\" class=\"docClass\">getOffset</a> call.</p>\n\n\n<p>This may be set any time during the DragTracker's lifecycle to set a dynamic constraining region.</p>\n\n</div></div></div><div id='cfg-delegate' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-delegate' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-delegate' class='name expandable'>delegate</a><span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a></span></div><div class='description'><div class='short'>Optional. ...</div><div class='long'><p>Optional. <p>A <a href=\"#!/api/Ext.DomQuery\" rel=\"Ext.DomQuery\" class=\"docClass\">DomQuery</a> selector which identifies child elements within the DragTracker's encapsulating\nElement which are the tracked elements. This limits tracking to only begin when the matching elements are mousedowned.</p></p>\n\n<p>This may also be a specific child element within the DragTracker's encapsulating element to use as the tracked element.</p>\n\n</div></div></div><div id='cfg-listeners' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-cfg-listeners' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-cfg-listeners' class='name expandable'>listeners</a><span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a></span></div><div class='description'><div class='short'>A config object containing one or more event handlers to be added to this object during initialization. ...</div><div class='long'><p>A config object containing one or more event handlers to be added to this object during initialization. This\nshould be a valid listeners config object as specified in the <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> example for attaching multiple\nhandlers at once.</p>\n\n<p><strong>DOM events from Ext JS <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Components</a></strong></p>\n\n<p>While <em>some</em> Ext JS Component classes export selected DOM events (e.g. \"click\", \"mouseover\" etc), this is usually\nonly done when extra value can be added. For example the <a href=\"#!/api/Ext.view.View\" rel=\"Ext.view.View\" class=\"docClass\">DataView</a>'s <strong><code><a href=\"#!/api/Ext.view.View-event-itemclick\" rel=\"Ext.view.View-event-itemclick\" class=\"docClass\">itemclick</a></code></strong> event passing the node clicked on. To access DOM events directly from a\nchild element of a Component, we need to specify the <code>element</code> option to identify the Component property to add a\nDOM listener to:</p>\n\n<pre><code>new Ext.panel.Panel({\n    width: 400,\n    height: 200,\n    dockedItems: [{\n        xtype: 'toolbar'\n    }],\n    listeners: {\n        click: {\n            element: 'el', //bind to the underlying el property on the panel\n            fn: function(){ console.log('click el'); }\n        },\n        dblclick: {\n            element: 'body', //bind to the underlying body property on the panel\n            fn: function(){ console.log('dblclick body'); }\n        }\n    }\n});\n</code></pre>\n</div></div></div><div id='cfg-overCls' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-overCls' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-overCls' class='name expandable'>overCls</a><span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a></span></div><div class='description'><div class='short'>A CSS class to add to the DragTracker's target element when the element (or, if the delegate option is used,\nwhen a d...</div><div class='long'><p>A CSS class to add to the DragTracker's target element when the element (or, if the <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> option is used,\nwhen a delegate element) is mouseovered.</p>\n\n\n<p><b>If the <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> option is used, these events fire only when a delegate element is entered of left.</b>.</p>\n</div></div></div><div id='cfg-preventDefault' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-preventDefault' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-preventDefault' class='name expandable'>preventDefault</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span></div><div class='description'><div class='short'>Specify false to enable default actions on onMouseDown events. ...</div><div class='long'><p>Specify <code>false</code> to enable default actions on onMouseDown events. Defaults to <code>true</code>.</p>\n</div></div></div><div id='cfg-stopEvent' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-stopEvent' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-stopEvent' class='name expandable'>stopEvent</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span></div><div class='description'><div class='short'>Specify true to stop the mousedown event from bubbling to outer listeners from the target element (or its delegates). ...</div><div class='long'><p>Specify <code>true</code> to stop the <code>mousedown</code> event from bubbling to outer listeners from the target element (or its delegates). Defaults to <code>false</code>.</p>\n</div></div></div><div id='cfg-tolerance' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-tolerance' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-tolerance' class='name expandable'>tolerance</a><span> : <a href=\"#!/api/Number\" rel=\"Number\" class=\"docClass\">Number</a></span></div><div class='description'><div class='short'>Number of pixels the drag target must be moved before dragging is\nconsidered to have started. ...</div><div class='long'><p>Number of pixels the drag target must be moved before dragging is\nconsidered to have started. Defaults to <code>5</code>.</p>\n<p>Defaults to: <code>5</code></p></div></div></div><div id='cfg-trackOver' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-cfg-trackOver' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-cfg-trackOver' class='name expandable'>trackOver</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span></div><div class='description'><div class='short'>Defaults to false. ...</div><div class='long'><p>Defaults to <code>false</code>. Set to true to fire mouseover and mouseout events when the mouse enters or leaves the target element.</p>\n\n\n<p>This is implicitly set when an <a href=\"#!/api/Ext.dd.DragTracker-cfg-overCls\" rel=\"Ext.dd.DragTracker-cfg-overCls\" class=\"docClass\">overCls</a> is specified.</p>\n\n\n<p><b>If the <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> option is used, these events fire only when a delegate element is entered of left.</b>.</p>\n<p>Defaults to: <code>false</code></p></div></div></div></div></div><div id='m-property'><div class='definedBy'>Defined By</div><h3 class='members-title'>Properties</h3><div class='subsection'><div id='property-active' class='member first-child not-inherited'><a href='#' class='side not-expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-property-active' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-property-active' class='name not-expandable'>active</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span></div><div class='description'><div class='short'><p>Read-only property indicated whether the user is currently dragging this\ntracker.</p>\n</div><div class='long'><p>Read-only property indicated whether the user is currently dragging this\ntracker.</p>\n</div></div></div><div id='property-dragTarget' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-property-dragTarget' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-property-dragTarget' class='name expandable'>dragTarget</a><span> : HTMLElement</span></div><div class='description'><div class='short'>Only valid during drag operations. ...</div><div class='long'><p><b>Only valid during drag operations. Read-only.</b></p>\n\n\n<p>The element being dragged.</p>\n\n\n<p>If the <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> option is used, this will be the delegate element which was mousedowned.</p>\n\n</div></div></div><div id='property-self' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-property-self' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-property-self' class='name expandable'>self</a><span> : <a href=\"#!/api/Ext.Class\" rel=\"Ext.Class\" class=\"docClass\">Ext.Class</a></span><strong class='protected-signature'>protected</strong></div><div class='description'><div class='short'>Get the reference to the current class from which this object was instantiated. ...</div><div class='long'><p>Get the reference to the current class from which this object was instantiated. Unlike <a href=\"#!/api/Ext.Base-method-statics\" rel=\"Ext.Base-method-statics\" class=\"docClass\">statics</a>,\n<code>this.self</code> is scope-dependent and it's meant to be used for dynamic inheritance. See <a href=\"#!/api/Ext.Base-method-statics\" rel=\"Ext.Base-method-statics\" class=\"docClass\">statics</a>\nfor a detailed comparison</p>\n\n<pre><code>Ext.define('My.Cat', {\n    statics: {\n        speciesName: 'Cat' // My.Cat.speciesName = 'Cat'\n    },\n\n    constructor: function() {\n        alert(this.self.speciesName); / dependent on 'this'\n\n        return this;\n    },\n\n    clone: function() {\n        return new this.self();\n    }\n});\n\n\nExt.define('My.SnowLeopard', {\n    extend: 'My.Cat',\n    statics: {\n        speciesName: 'Snow Leopard'         // My.SnowLeopard.speciesName = 'Snow Leopard'\n    }\n});\n\nvar cat = new My.Cat();                     // alerts 'Cat'\nvar snowLeopard = new My.SnowLeopard();     // alerts 'Snow Leopard'\n\nvar clone = snowLeopard.clone();\nalert(Ext.getClassName(clone));             // alerts 'My.SnowLeopard'\n</code></pre>\n</div></div></div></div></div><div id='m-method'><h3 class='members-title'>Methods</h3><div class='subsection'><div class='definedBy'>Defined By</div><h4 class='members-subtitle'>Instance Methods</h3><div id='method-addEvents' class='member first-child inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-addEvents' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-addEvents' class='name expandable'>addEvents</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> o, [<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>... more]</span> )</div><div class='description'><div class='short'>Adds the specified events to the list of events which this Observable may fire. ...</div><div class='long'><p>Adds the specified events to the list of events which this Observable may fire.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>o</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>Either an object with event names as properties with a value of <code>true</code> or the first\nevent name string if multiple event names are being passed as separate parameters. Usage:</p>\n\n<pre><code>this.addEvents({\n    storeloaded: true,\n    storecleared: true\n});\n</code></pre>\n</div></li><li><span class='pre'>more</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>... (optional)<div class='sub-desc'><p>Additional event names if multiple event names are being passed as separate\nparameters. Usage:</p>\n\n<pre><code>this.addEvents('storeloaded', 'storecleared');\n</code></pre>\n</div></li></ul></div></div></div><div id='method-addListener' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-addListener' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-addListener' class='name expandable'>addListener</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName, <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn, [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> options]</span> )</div><div class='description'><div class='short'>Appends an event handler to this object. ...</div><div class='long'><p>Appends an event handler to this object.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The name of the event to listen for. May also be an object who's property names are\nevent names.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a><div class='sub-desc'><p>The method the event invokes.  Will be called with arguments given to\n<a href=\"#!/api/Ext.util.Observable-method-fireEvent\" rel=\"Ext.util.Observable-method-fireEvent\" class=\"docClass\">fireEvent</a> plus the <code>options</code> parameter described below.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>The scope (<code>this</code> reference) in which the handler function is executed. <strong>If\nomitted, defaults to the object which fired the event.</strong></p>\n\n</div></li><li><span class='pre'>options</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>An object containing handler configuration.</p>\n\n\n\n\n<p><strong>Note:</strong> Unlike in ExtJS 3.x, the options object will also be passed as the last argument to every event handler.</p>\n\n\n\n\n<p>This object may contain any of the following properties:</p>\n\n\n\n\n<ul>\n<li><p><strong>scope</strong> : Object</p>\n\n<p>The scope (<code>this</code> reference) in which the handler function is executed. <strong>If omitted, defaults to the object\nwhich fired the event.</strong></p></li>\n<li><p><strong>delay</strong> : Number</p>\n\n<p>The number of milliseconds to delay the invocation of the handler after the event fires.</p></li>\n<li><p><strong>single</strong> : Boolean</p>\n\n<p>True to add a handler to handle just the next firing of the event, and then remove itself.</p></li>\n<li><p><strong>buffer</strong> : Number</p>\n\n<p>Causes the handler to be scheduled to run in an <a href=\"#!/api/Ext.util.DelayedTask\" rel=\"Ext.util.DelayedTask\" class=\"docClass\">Ext.util.DelayedTask</a> delayed by the specified number of\nmilliseconds. If the event fires again within that time, the original handler is <em>not</em> invoked, but the new\nhandler is scheduled in its place.</p></li>\n<li><p><strong>target</strong> : Observable</p>\n\n<p>Only call the handler if the event was fired on the target Observable, <em>not</em> if the event was bubbled up from a\nchild Observable.</p></li>\n<li><p><strong>element</strong> : String</p>\n\n<p><strong>This option is only valid for listeners bound to <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Components</a>.</strong> The name of a Component\nproperty which references an element to add a listener to.</p>\n\n<p>This option is useful during Component construction to add DOM event listeners to elements of\n<a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Components</a> which will exist only after the Component is rendered.\nFor example, to add a click listener to a Panel's body:</p>\n\n<pre><code>new Ext.panel.Panel({\n    title: 'The title',\n    listeners: {\n        click: this.handlePanelClick,\n        element: 'body'\n    }\n});\n</code></pre></li>\n</ul>\n\n\n\n\n<p><strong>Combining Options</strong></p>\n\n\n\n\n<p>Using the options argument, it is possible to combine different types of listeners:</p>\n\n\n\n\n<p>A delayed, one-time listener.</p>\n\n\n\n\n<pre><code>myPanel.on('hide', this.handleClick, this, {\n    single: true,\n    delay: 100\n});\n</code></pre>\n\n\n\n\n<p><strong>Attaching multiple handlers in 1 call</strong></p>\n\n\n\n\n<p>The method also allows for a single argument to be passed which is a config object containing properties which\nspecify multiple events. For example:</p>\n\n\n\n\n<pre><code>myGridPanel.on({\n    cellClick: this.onCellClick,\n    mouseover: this.onMouseOver,\n    mouseout: this.onMouseOut,\n    scope: this // Important. Ensure \"this\" is correct during handler execution\n});\n</code></pre>\n\n\n\n\n<p>One can also specify options for each event handler separately:</p>\n\n\n\n\n<pre><code>myGridPanel.on({\n    cellClick: {fn: this.onCellClick, scope: this, single: true},\n    mouseover: {fn: panel.onMouseOver, scope: panel}\n});\n</code></pre>\n\n</div></li></ul></div></div></div><div id='method-addManagedListener' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-addManagedListener' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-addManagedListener' class='name expandable'>addManagedListener</a>( <span class='pre'><a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a> item, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> ename, [<a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> opt]</span> )</div><div class='description'><div class='short'>Adds listeners to any Observable object (or Ext.Element) which are automatically removed when this Component is\ndestr...</div><div class='long'><p>Adds listeners to any Observable object (or Ext.Element) which are automatically removed when this Component is\ndestroyed.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>item</span> : <a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a><div class='sub-desc'><p>The item to which to add a listener/listeners.</p>\n\n</div></li><li><span class='pre'>ename</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The event name, or an object containing event name properties.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the handler function.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the scope (<code>this</code> reference)\nin which the handler function is executed.</p>\n\n</div></li><li><span class='pre'>opt</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the\n<a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> options.</p>\n\n</div></li></ul></div></div></div><div id='method-callOverridden' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-method-callOverridden' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-method-callOverridden' class='name expandable'>callOverridden</a>( <span class='pre'><a href=\"#!/api/Array\" rel=\"Array\" class=\"docClass\">Array</a>/Arguments args</span> ) : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><strong class='protected-signature'>protected</strong></div><div class='description'><div class='short'>Call the original method that was previously overridden with override\n\nExt.define('My.Cat', {\n    constructor: functi...</div><div class='long'><p>Call the original method that was previously overridden with <a href=\"#!/api/Ext.Base-static-method-override\" rel=\"Ext.Base-static-method-override\" class=\"docClass\">override</a></p>\n\n<pre><code>Ext.define('My.Cat', {\n    constructor: function() {\n        alert(\"I'm a cat!\");\n\n        return this;\n    }\n});\n\nMy.Cat.override({\n    constructor: function() {\n        alert(\"I'm going to be a cat!\");\n\n        var instance = this.callOverridden();\n\n        alert(\"Meeeeoooowwww\");\n\n        return instance;\n    }\n});\n\nvar kitty = new My.Cat(); // alerts \"I'm going to be a cat!\"\n                          // alerts \"I'm a cat!\"\n                          // alerts \"Meeeeoooowwww\"\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>args</span> : <a href=\"#!/api/Array\" rel=\"Array\" class=\"docClass\">Array</a>/Arguments<div class='sub-desc'><p>The arguments, either an array or the <code>arguments</code> object</p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a></span><div class='sub-desc'><p>Returns the result after calling the overridden method</p>\n</div></li></ul></div></div></div><div id='method-callParent' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-method-callParent' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-method-callParent' class='name expandable'>callParent</a>( <span class='pre'><a href=\"#!/api/Array\" rel=\"Array\" class=\"docClass\">Array</a>/Arguments args</span> ) : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><strong class='protected-signature'>protected</strong></div><div class='description'><div class='short'>Call the parent's overridden method. ...</div><div class='long'><p>Call the parent's overridden method. For example:</p>\n\n<pre><code>Ext.define('My.own.A', {\n    constructor: function(test) {\n        alert(test);\n    }\n});\n\nExt.define('My.own.B', {\n    extend: 'My.own.A',\n\n    constructor: function(test) {\n        alert(test);\n\n        this.callParent([test + 1]);\n    }\n});\n\nExt.define('My.own.C', {\n    extend: 'My.own.B',\n\n    constructor: function() {\n        alert(\"Going to call parent's overriden constructor...\");\n\n        this.callParent(arguments);\n    }\n});\n\nvar a = new My.own.A(1); // alerts '1'\nvar b = new My.own.B(1); // alerts '1', then alerts '2'\nvar c = new My.own.C(2); // alerts \"Going to call parent's overriden constructor...\"\n                         // alerts '2', then alerts '3'\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>args</span> : <a href=\"#!/api/Array\" rel=\"Array\" class=\"docClass\">Array</a>/Arguments<div class='sub-desc'><p>The arguments, either an array or the <code>arguments</code> object\nfrom the current method, for example: <code>this.callParent(arguments)</code></p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a></span><div class='sub-desc'><p>Returns the result from the superclass' method</p>\n</div></li></ul></div></div></div><div id='method-clearListeners' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-clearListeners' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-clearListeners' class='name expandable'>clearListeners</a>( <span class='pre'></span> )</div><div class='description'><div class='short'>Removes all listeners for this object including the managed listeners ...</div><div class='long'><p>Removes all listeners for this object including the managed listeners</p>\n</div></div></div><div id='method-clearManagedListeners' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-clearManagedListeners' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-clearManagedListeners' class='name expandable'>clearManagedListeners</a>( <span class='pre'></span> )</div><div class='description'><div class='short'>Removes all managed listeners for this object. ...</div><div class='long'><p>Removes all managed listeners for this object.</p>\n</div></div></div><div id='method-enableBubble' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-enableBubble' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-enableBubble' class='name expandable'>enableBubble</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[] events</span> )</div><div class='description'><div class='short'>Enables events fired by this Observable to bubble up an owner hierarchy by calling this.getBubbleTarget() if\npresent. ...</div><div class='long'><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling <code>this.getBubbleTarget()</code> if\npresent. There is no implementation in the Observable base class.</p>\n\n<p>This is commonly used by Ext.Components to bubble events to owner Containers.\nSee <a href=\"#!/api/Ext.Component-method-getBubbleTarget\" rel=\"Ext.Component-method-getBubbleTarget\" class=\"docClass\">Ext.Component.getBubbleTarget</a>. The default implementation in <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a> returns the\nComponent's immediate owner. But if a known target is required, this can be overridden to access the\nrequired target more quickly.</p>\n\n<p>Example:</p>\n\n<pre><code>Ext.override(Ext.form.field.Base, {\n    //  Add functionality to Field's initComponent to enable the change event to bubble\n    initComponent : Ext.Function.createSequence(Ext.form.field.Base.prototype.initComponent, function() {\n        this.enableBubble('change');\n    }),\n\n    //  We know that we want Field's events to bubble directly to the FormPanel.\n    getBubbleTarget : function() {\n        if (!this.formPanel) {\n            this.formPanel = this.findParentByType('form');\n        }\n        return this.formPanel;\n    }\n});\n\nvar myForm = new Ext.formPanel({\n    title: 'User Details',\n    items: [{\n        ...\n    }],\n    listeners: {\n        change: function() {\n            // Title goes red if form has been modified.\n            myForm.header.setStyle('color', 'red');\n        }\n    }\n});\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>events</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[]<div class='sub-desc'><p>The event name to bubble, or an Array of event names.</p>\n</div></li></ul></div></div></div><div id='method-fireEvent' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-fireEvent' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-fireEvent' class='name expandable'>fireEvent</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>... args</span> ) : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></div><div class='description'><div class='short'>Fires the specified event with the passed parameters (minus the event name, plus the options object passed\nto addList...</div><div class='long'><p>Fires the specified event with the passed parameters (minus the event name, plus the <code>options</code> object passed\nto <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a>).</p>\n\n<p>An event may be set to bubble up an Observable parent hierarchy (See <a href=\"#!/api/Ext.Component-method-getBubbleTarget\" rel=\"Ext.Component-method-getBubbleTarget\" class=\"docClass\">Ext.Component.getBubbleTarget</a>) by\ncalling <a href=\"#!/api/Ext.util.Observable-method-enableBubble\" rel=\"Ext.util.Observable-method-enableBubble\" class=\"docClass\">enableBubble</a>.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The name of the event to fire.</p>\n</div></li><li><span class='pre'>args</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>...<div class='sub-desc'><p>Variable number of parameters are passed to handlers.</p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span><div class='sub-desc'><p>returns false if any of the handlers return false otherwise it returns true.</p>\n</div></li></ul></div></div></div><div id='method-getDragTarget' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-getDragTarget' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-getDragTarget' class='name expandable'>getDragTarget</a>( <span class='pre'></span> ) : <a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a></div><div class='description'><div class='short'>Returns the drag target. ...</div><div class='long'><p></p>Returns the drag target. This is usually the DragTracker's encapsulating element.</p></p>\n\n<p>If the <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> option is being used, this may be a child element which matches the\n<a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> selector.</p>\n\n<h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a></span><div class='sub-desc'><p>The element currently being tracked.</p>\n</div></li></ul></div></div></div><div id='method-getOffset' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-getOffset' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-getOffset' class='name expandable'>getOffset</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> constrainMode</span> ) : <a href=\"#!/api/Number\" rel=\"Number\" class=\"docClass\">Number</a>[]</div><div class='description'><div class='short'>Returns the X, Y offset of the current mouse position from the mousedown point. ...</div><div class='long'><p>Returns the X, Y offset of the current mouse position from the mousedown point.</p>\n\n<p>This method may optionally constrain the real offset values, and returns a point coerced in one\nof two modes:</p>\n\n<ul>\n<li><code>point</code>\nThe current mouse position is coerced into the constrainRegion and the resulting position is returned.</li>\n<li><code>dragTarget</code>\nThe new <a href=\"#!/api/Ext.util.Region\" rel=\"Ext.util.Region\" class=\"docClass\">Region</a> of the <a href=\"#!/api/Ext.dd.DragTracker-method-getDragTarget\" rel=\"Ext.dd.DragTracker-method-getDragTarget\" class=\"docClass\">dragTarget</a> is calculated\nbased upon the current mouse position, and then coerced into the constrainRegion. The returned\nmouse position is then adjusted by the same delta as was used to coerce the region.\\</li>\n</ul>\n\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>constrainMode</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>{String} (Optional) If omitted the true mouse position is returned. May be passed\nas <code>point</code> or <code>dragTarget</code>. See above.</p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Number\" rel=\"Number\" class=\"docClass\">Number</a>[]</span><div class='sub-desc'><p>The <code>X, Y</code> offset from the mousedown point, optionally constrained.</p>\n</div></li></ul></div></div></div><div id='method-hasListener' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-hasListener' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-hasListener' class='name expandable'>hasListener</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName</span> ) : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></div><div class='description'><div class='short'>Checks to see if this object has any listeners for a specified event ...</div><div class='long'><p>Checks to see if this object has any listeners for a specified event</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The name of the event to check for</p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span><div class='sub-desc'><p>True if the event is being listened for, else false</p>\n</div></li></ul></div></div></div><div id='method-initConfig' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-method-initConfig' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-method-initConfig' class='name expandable'>initConfig</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> config</span> ) : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><strong class='protected-signature'>protected</strong></div><div class='description'><div class='short'>Initialize configuration for this class. ...</div><div class='long'><p>Initialize configuration for this class. a typical example:</p>\n\n<pre><code>Ext.define('My.awesome.Class', {\n    // The default config\n    config: {\n        name: 'Awesome',\n        isAwesome: true\n    },\n\n    constructor: function(config) {\n        this.initConfig(config);\n\n        return this;\n    }\n});\n\nvar awesome = new My.awesome.Class({\n    name: 'Super Awesome'\n});\n\nalert(awesome.getName()); // 'Super Awesome'\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>config</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a></span><div class='sub-desc'><p>mixins The mixin prototypes as key - value pairs</p>\n</div></li></ul></div></div></div><div id='method-initEl' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-initEl' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-initEl' class='name expandable'>initEl</a>( <span class='pre'><a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a>/HTMLElement el</span> )</div><div class='description'><div class='short'>Initializes the DragTracker on a given element. ...</div><div class='long'><p>Initializes the DragTracker on a given element.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>el</span> : <a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a>/HTMLElement<div class='sub-desc'><p>The element</p>\n</div></li></ul></div></div></div><div id='method-mon' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-mon' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-mon' class='name expandable'>mon</a>( <span class='pre'><a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a> item, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> ename, [<a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> opt]</span> )</div><div class='description'><div class='short'>Shorthand for addManagedListener. ...</div><div class='long'><p>Shorthand for <a href=\"#!/api/Ext.util.Observable-method-addManagedListener\" rel=\"Ext.util.Observable-method-addManagedListener\" class=\"docClass\">addManagedListener</a>.</p>\n\n<p>Adds listeners to any Observable object (or Ext.Element) which are automatically removed when this Component is\ndestroyed.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>item</span> : <a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a><div class='sub-desc'><p>The item to which to add a listener/listeners.</p>\n\n</div></li><li><span class='pre'>ename</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The event name, or an object containing event name properties.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the handler function.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the scope (<code>this</code> reference)\nin which the handler function is executed.</p>\n\n</div></li><li><span class='pre'>opt</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the\n<a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> options.</p>\n\n</div></li></ul></div></div></div><div id='method-mun' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-mun' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-mun' class='name expandable'>mun</a>( <span class='pre'><a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a> item, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> ename, [<a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope]</span> )</div><div class='description'><div class='short'>Shorthand for removeManagedListener. ...</div><div class='long'><p>Shorthand for <a href=\"#!/api/Ext.util.Observable-method-removeManagedListener\" rel=\"Ext.util.Observable-method-removeManagedListener\" class=\"docClass\">removeManagedListener</a>.</p>\n\n<p>Removes listeners that were added by the <a href=\"#!/api/Ext.util.Observable-method-mon\" rel=\"Ext.util.Observable-method-mon\" class=\"docClass\">mon</a> method.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>item</span> : <a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a><div class='sub-desc'><p>The item from which to remove a listener/listeners.</p>\n\n</div></li><li><span class='pre'>ename</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The event name, or an object containing event name properties.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the handler function.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the scope (<code>this</code> reference)\nin which the handler function is executed.</p>\n\n</div></li></ul></div></div></div><div id='method-on' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-on' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-on' class='name expandable'>on</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName, <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn, [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> options]</span> )</div><div class='description'><div class='short'>Shorthand for addListener. ...</div><div class='long'><p>Shorthand for <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a>.</p>\n\n<p>Appends an event handler to this object.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The name of the event to listen for. May also be an object who's property names are\nevent names.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a><div class='sub-desc'><p>The method the event invokes.  Will be called with arguments given to\n<a href=\"#!/api/Ext.util.Observable-method-fireEvent\" rel=\"Ext.util.Observable-method-fireEvent\" class=\"docClass\">fireEvent</a> plus the <code>options</code> parameter described below.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>The scope (<code>this</code> reference) in which the handler function is executed. <strong>If\nomitted, defaults to the object which fired the event.</strong></p>\n\n</div></li><li><span class='pre'>options</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>An object containing handler configuration.</p>\n\n\n\n\n<p><strong>Note:</strong> Unlike in ExtJS 3.x, the options object will also be passed as the last argument to every event handler.</p>\n\n\n\n\n<p>This object may contain any of the following properties:</p>\n\n\n\n\n<ul>\n<li><p><strong>scope</strong> : Object</p>\n\n<p>The scope (<code>this</code> reference) in which the handler function is executed. <strong>If omitted, defaults to the object\nwhich fired the event.</strong></p></li>\n<li><p><strong>delay</strong> : Number</p>\n\n<p>The number of milliseconds to delay the invocation of the handler after the event fires.</p></li>\n<li><p><strong>single</strong> : Boolean</p>\n\n<p>True to add a handler to handle just the next firing of the event, and then remove itself.</p></li>\n<li><p><strong>buffer</strong> : Number</p>\n\n<p>Causes the handler to be scheduled to run in an <a href=\"#!/api/Ext.util.DelayedTask\" rel=\"Ext.util.DelayedTask\" class=\"docClass\">Ext.util.DelayedTask</a> delayed by the specified number of\nmilliseconds. If the event fires again within that time, the original handler is <em>not</em> invoked, but the new\nhandler is scheduled in its place.</p></li>\n<li><p><strong>target</strong> : Observable</p>\n\n<p>Only call the handler if the event was fired on the target Observable, <em>not</em> if the event was bubbled up from a\nchild Observable.</p></li>\n<li><p><strong>element</strong> : String</p>\n\n<p><strong>This option is only valid for listeners bound to <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Components</a>.</strong> The name of a Component\nproperty which references an element to add a listener to.</p>\n\n<p>This option is useful during Component construction to add DOM event listeners to elements of\n<a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Components</a> which will exist only after the Component is rendered.\nFor example, to add a click listener to a Panel's body:</p>\n\n<pre><code>new Ext.panel.Panel({\n    title: 'The title',\n    listeners: {\n        click: this.handlePanelClick,\n        element: 'body'\n    }\n});\n</code></pre></li>\n</ul>\n\n\n\n\n<p><strong>Combining Options</strong></p>\n\n\n\n\n<p>Using the options argument, it is possible to combine different types of listeners:</p>\n\n\n\n\n<p>A delayed, one-time listener.</p>\n\n\n\n\n<pre><code>myPanel.on('hide', this.handleClick, this, {\n    single: true,\n    delay: 100\n});\n</code></pre>\n\n\n\n\n<p><strong>Attaching multiple handlers in 1 call</strong></p>\n\n\n\n\n<p>The method also allows for a single argument to be passed which is a config object containing properties which\nspecify multiple events. For example:</p>\n\n\n\n\n<pre><code>myGridPanel.on({\n    cellClick: this.onCellClick,\n    mouseover: this.onMouseOver,\n    mouseout: this.onMouseOut,\n    scope: this // Important. Ensure \"this\" is correct during handler execution\n});\n</code></pre>\n\n\n\n\n<p>One can also specify options for each event handler separately:</p>\n\n\n\n\n<pre><code>myGridPanel.on({\n    cellClick: {fn: this.onCellClick, scope: this, single: true},\n    mouseover: {fn: panel.onMouseOver, scope: panel}\n});\n</code></pre>\n\n</div></li></ul></div></div></div><div id='method-onBeforeStart' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-onBeforeStart' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-onBeforeStart' class='name expandable'>onBeforeStart</a>( <span class='pre'><a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a> e</span> )<strong class='template-signature'>template</strong></div><div class='description'><div class='short'>Template method which should be overridden by each DragTracker instance. ...</div><div class='long'><p>Template method which should be overridden by each DragTracker instance. Called when the user first clicks and\nholds the mouse button down. Return false to disallow the drag</p>\n<div class='template'><p>This is a template method. A hook into the functionality of this class.Feel free to override it in child classes.</p></div><h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>e</span> : <a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a><div class='sub-desc'><p>The event object</p>\n</div></li></ul></div></div></div><div id='method-onDrag' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-onDrag' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-onDrag' class='name expandable'>onDrag</a>( <span class='pre'><a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a> e</span> )<strong class='template-signature'>template</strong></div><div class='description'><div class='short'>Template method which should be overridden by each DragTracker instance. ...</div><div class='long'><p>Template method which should be overridden by each DragTracker instance. Called whenever a drag has been detected.</p>\n<div class='template'><p>This is a template method. A hook into the functionality of this class.Feel free to override it in child classes.</p></div><h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>e</span> : <a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a><div class='sub-desc'><p>The event object</p>\n</div></li></ul></div></div></div><div id='method-onEnd' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-onEnd' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-onEnd' class='name expandable'>onEnd</a>( <span class='pre'><a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a> e</span> )<strong class='template-signature'>template</strong></div><div class='description'><div class='short'>Template method which should be overridden by each DragTracker instance. ...</div><div class='long'><p>Template method which should be overridden by each DragTracker instance. Called when a drag operation has been completed\n(e.g. the user clicked and held the mouse down, dragged the element and then released the mouse button)</p>\n<div class='template'><p>This is a template method. A hook into the functionality of this class.Feel free to override it in child classes.</p></div><h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>e</span> : <a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a><div class='sub-desc'><p>The event object</p>\n</div></li></ul></div></div></div><div id='method-onStart' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-method-onStart' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-method-onStart' class='name expandable'>onStart</a>( <span class='pre'><a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a> e</span> )<strong class='template-signature'>template</strong></div><div class='description'><div class='short'>Template method which should be overridden by each DragTracker instance. ...</div><div class='long'><p>Template method which should be overridden by each DragTracker instance. Called when a drag operation starts\n(e.g. the user has moved the tracked element beyond the specified tolerance)</p>\n<div class='template'><p>This is a template method. A hook into the functionality of this class.Feel free to override it in child classes.</p></div><h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>e</span> : <a href=\"#!/api/Ext.EventObject\" rel=\"Ext.EventObject\" class=\"docClass\">Ext.EventObject</a><div class='sub-desc'><p>The event object</p>\n</div></li></ul></div></div></div><div id='method-relayEvents' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-relayEvents' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-relayEvents' class='name expandable'>relayEvents</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> origin, <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[] events, <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> prefix</span> )</div><div class='description'><div class='short'>Relays selected events from the specified Observable as if the events were fired by this. ...</div><div class='long'><p>Relays selected events from the specified Observable as if the events were fired by <code>this</code>.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>origin</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The Observable whose events this object is to relay.</p>\n</div></li><li><span class='pre'>events</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[]<div class='sub-desc'><p>Array of event names to relay.</p>\n</div></li><li><span class='pre'>prefix</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'>\n</div></li></ul></div></div></div><div id='method-removeListener' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-removeListener' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-removeListener' class='name expandable'>removeListener</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName, <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn, [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope]</span> )</div><div class='description'><div class='short'>Removes an event handler. ...</div><div class='long'><p>Removes an event handler.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The type of event the handler was associated with.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a><div class='sub-desc'><p>The handler to remove. <strong>This must be a reference to the function passed into the\n<a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> call.</strong></p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>The scope originally specified for the handler. It must be the same as the\nscope argument specified in the original call to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> or the listener will not be removed.</p>\n\n</div></li></ul></div></div></div><div id='method-removeManagedListener' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-removeManagedListener' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-removeManagedListener' class='name expandable'>removeManagedListener</a>( <span class='pre'><a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a> item, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> ename, [<a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn], [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope]</span> )</div><div class='description'><div class='short'>Removes listeners that were added by the mon method. ...</div><div class='long'><p>Removes listeners that were added by the <a href=\"#!/api/Ext.util.Observable-method-mon\" rel=\"Ext.util.Observable-method-mon\" class=\"docClass\">mon</a> method.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>item</span> : <a href=\"#!/api/Ext.util.Observable\" rel=\"Ext.util.Observable\" class=\"docClass\">Ext.util.Observable</a>/<a href=\"#!/api/Ext.Element\" rel=\"Ext.Element\" class=\"docClass\">Ext.Element</a><div class='sub-desc'><p>The item from which to remove a listener/listeners.</p>\n\n</div></li><li><span class='pre'>ename</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The event name, or an object containing event name properties.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the handler function.</p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>If the <code>ename</code> parameter was an event name, this is the scope (<code>this</code> reference)\nin which the handler function is executed.</p>\n\n</div></li></ul></div></div></div><div id='method-resumeEvents' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-resumeEvents' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-resumeEvents' class='name expandable'>resumeEvents</a>( <span class='pre'></span> )</div><div class='description'><div class='short'>Resumes firing events (see suspendEvents). ...</div><div class='long'><p>Resumes firing events (see <a href=\"#!/api/Ext.util.Observable-method-suspendEvents\" rel=\"Ext.util.Observable-method-suspendEvents\" class=\"docClass\">suspendEvents</a>).</p>\n\n<p>If events were suspended using the <code>queueSuspended</code> parameter, then all events fired\nduring event suspension will be sent to any listeners now.</p>\n</div></div></div><div id='method-statics' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-method-statics' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-method-statics' class='name expandable'>statics</a>( <span class='pre'></span> ) : <a href=\"#!/api/Ext.Class\" rel=\"Ext.Class\" class=\"docClass\">Ext.Class</a><strong class='protected-signature'>protected</strong></div><div class='description'><div class='short'>Get the reference to the class from which this object was instantiated. ...</div><div class='long'><p>Get the reference to the class from which this object was instantiated. Note that unlike <a href=\"#!/api/Ext.Base-property-self\" rel=\"Ext.Base-property-self\" class=\"docClass\">self</a>,\n<code>this.statics()</code> is scope-independent and it always returns the class from which it was called, regardless of what\n<code>this</code> points to during run-time</p>\n\n<pre><code>Ext.define('My.Cat', {\n    statics: {\n        totalCreated: 0,\n        speciesName: 'Cat' // My.Cat.speciesName = 'Cat'\n    },\n\n    constructor: function() {\n        var statics = this.statics();\n\n        alert(statics.speciesName);     // always equals to 'Cat' no matter what 'this' refers to\n                                        // equivalent to: My.Cat.speciesName\n\n        alert(this.self.speciesName);   // dependent on 'this'\n\n        statics.totalCreated++;\n\n        return this;\n    },\n\n    clone: function() {\n        var cloned = new this.self;                      // dependent on 'this'\n\n        cloned.groupName = this.statics().speciesName;   // equivalent to: My.Cat.speciesName\n\n        return cloned;\n    }\n});\n\n\nExt.define('My.SnowLeopard', {\n    extend: 'My.Cat',\n\n    statics: {\n        speciesName: 'Snow Leopard'     // My.SnowLeopard.speciesName = 'Snow Leopard'\n    },\n\n    constructor: function() {\n        this.callParent();\n    }\n});\n\nvar cat = new My.Cat();                 // alerts 'Cat', then alerts 'Cat'\n\nvar snowLeopard = new My.SnowLeopard(); // alerts 'Cat', then alerts 'Snow Leopard'\n\nvar clone = snowLeopard.clone();\nalert(Ext.getClassName(clone));         // alerts 'My.SnowLeopard'\nalert(clone.groupName);                 // alerts 'Cat'\n\nalert(My.Cat.totalCreated);             // alerts 3\n</code></pre>\n<h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Ext.Class\" rel=\"Ext.Class\" class=\"docClass\">Ext.Class</a></span><div class='sub-desc'>\n</div></li></ul></div></div></div><div id='method-suspendEvents' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-suspendEvents' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-suspendEvents' class='name expandable'>suspendEvents</a>( <span class='pre'><a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a> queueSuspended</span> )</div><div class='description'><div class='short'>Suspends the firing of all events. ...</div><div class='long'><p>Suspends the firing of all events. (see <a href=\"#!/api/Ext.util.Observable-method-resumeEvents\" rel=\"Ext.util.Observable-method-resumeEvents\" class=\"docClass\">resumeEvents</a>)</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>queueSuspended</span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a><div class='sub-desc'><p>Pass as true to queue up suspended events to be fired\nafter the <a href=\"#!/api/Ext.util.Observable-method-resumeEvents\" rel=\"Ext.util.Observable-method-resumeEvents\" class=\"docClass\">resumeEvents</a> call instead of discarding all suspended events.</p>\n</div></li></ul></div></div></div><div id='method-un' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.util.Observable' rel='Ext.util.Observable' class='definedIn docClass'>Ext.util.Observable</a><br/><a href='source/Observable.html#Ext-util-Observable-method-un' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.util.Observable-method-un' class='name expandable'>un</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a> eventName, <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a> fn, [<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> scope]</span> )</div><div class='description'><div class='short'>Shorthand for removeListener. ...</div><div class='long'><p>Shorthand for <a href=\"#!/api/Ext.util.Observable-method-removeListener\" rel=\"Ext.util.Observable-method-removeListener\" class=\"docClass\">removeListener</a>.</p>\n\n<p>Removes an event handler.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>eventName</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><div class='sub-desc'><p>The type of event the handler was associated with.</p>\n\n</div></li><li><span class='pre'>fn</span> : <a href=\"#!/api/Function\" rel=\"Function\" class=\"docClass\">Function</a><div class='sub-desc'><p>The handler to remove. <strong>This must be a reference to the function passed into the\n<a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> call.</strong></p>\n\n</div></li><li><span class='pre'>scope</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> (optional)<div class='sub-desc'><p>The scope originally specified for the handler. It must be the same as the\nscope argument specified in the original call to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">addListener</a> or the listener will not be removed.</p>\n\n</div></li></ul></div></div></div></div><div class='subsection'><div class='definedBy'>Defined By</div><h4 class='members-subtitle'>Static Methods</h3><div id='static-method-addStatics' class='member first-child inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-addStatics' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-addStatics' class='name expandable'>addStatics</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> members</span> ) : <a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a><strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Add / override static properties of this class. ...</div><div class='long'><p>Add / override static properties of this class.</p>\n\n<pre><code>Ext.define('My.cool.Class', {\n    ...\n});\n\nMy.cool.Class.addStatics({\n    someProperty: 'someValue',      // My.cool.Class.someProperty = 'someValue'\n    method1: function() { ... },    // My.cool.Class.method1 = function() { ... };\n    method2: function() { ... }     // My.cool.Class.method2 = function() { ... };\n});\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>members</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a></span><div class='sub-desc'><p>this</p>\n</div></li></ul></div></div></div><div id='static-method-borrow' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-borrow' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-borrow' class='name expandable'>borrow</a>( <span class='pre'><a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a> fromClass, <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[] members</span> ) : <a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a><strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Borrow another class' members to the prototype of this class. ...</div><div class='long'><p>Borrow another class' members to the prototype of this class.</p>\n\n<pre><code>Ext.define('Bank', {\n    money: '$$$',\n    printMoney: function() {\n        alert('$$$$$$$');\n    }\n});\n\nExt.define('Thief', {\n    ...\n});\n\nThief.borrow(Bank, ['money', 'printMoney']);\n\nvar steve = new Thief();\n\nalert(steve.money); // alerts '$$$'\nsteve.printMoney(); // alerts '$$$$$$$'\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>fromClass</span> : <a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a><div class='sub-desc'><p>The class to borrow members from</p>\n</div></li><li><span class='pre'>members</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[]<div class='sub-desc'><p>The names of the members to borrow</p>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a></span><div class='sub-desc'><p>this</p>\n</div></li></ul></div></div></div><div id='static-method-create' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-create' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-create' class='name expandable'>create</a>( <span class='pre'></span> ) : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Create a new instance of this Class. ...</div><div class='long'><p>Create a new instance of this Class.</p>\n\n<pre><code>Ext.define('My.cool.Class', {\n    ...\n});\n\nMy.cool.Class.create({\n    someConfig: true\n});\n</code></pre>\n\n<p>All parameters are passed to the constructor of the class.</p>\n<h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a></span><div class='sub-desc'><p>the created instance.</p>\n</div></li></ul></div></div></div><div id='static-method-createAlias' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-createAlias' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-createAlias' class='name expandable'>createAlias</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> alias, <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> origin</span> )<strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Create aliases for existing prototype methods. ...</div><div class='long'><p>Create aliases for existing prototype methods. Example:</p>\n\n<pre><code>Ext.define('My.cool.Class', {\n    method1: function() { ... },\n    method2: function() { ... }\n});\n\nvar test = new My.cool.Class();\n\nMy.cool.Class.createAlias({\n    method3: 'method1',\n    method4: 'method2'\n});\n\ntest.method3(); // test.method1()\n\nMy.cool.Class.createAlias('method5', 'method3');\n\ntest.method5(); // test.method3() -&gt; test.method1()\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>alias</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The new method name, or an object to set multiple aliases. See\n<a href=\"#!/api/Ext.Function-method-flexSetter\" rel=\"Ext.Function-method-flexSetter\" class=\"docClass\">flexSetter</a></p>\n</div></li><li><span class='pre'>origin</span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The original method name</p>\n</div></li></ul></div></div></div><div id='static-method-getName' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-getName' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-getName' class='name expandable'>getName</a>( <span class='pre'></span> ) : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a><strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Get the current class' name in string format. ...</div><div class='long'><p>Get the current class' name in string format.</p>\n\n<pre><code>Ext.define('My.cool.Class', {\n    constructor: function() {\n        alert(this.self.getName()); // alerts 'My.cool.Class'\n    }\n});\n\nMy.cool.Class.getName(); // 'My.cool.Class'\n</code></pre>\n<h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a></span><div class='sub-desc'><p>className</p>\n</div></li></ul></div></div></div><div id='static-method-implement' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-implement' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-implement' class='name expandable'>implement</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> members</span> )<strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Add methods / properties to the prototype of this class. ...</div><div class='long'><p>Add methods / properties to the prototype of this class.</p>\n\n<pre><code>Ext.define('My.awesome.Cat', {\n    constructor: function() {\n        ...\n    }\n});\n\n My.awesome.Cat.implement({\n     meow: function() {\n        alert('Meowww...');\n     }\n });\n\n var kitty = new My.awesome.Cat;\n kitty.meow();\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>members</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li></ul></div></div></div><div id='static-method-override' class='member  inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.Base' rel='Ext.Base' class='definedIn docClass'>Ext.Base</a><br/><a href='source/Base3.html#Ext-Base-static-method-override' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.Base-static-method-override' class='name expandable'>override</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> members</span> ) : <a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a><strong class='static-signature'>static</strong></div><div class='description'><div class='short'>Override prototype members of this class. ...</div><div class='long'><p>Override prototype members of this class. Overridden methods can be invoked via\n<a href=\"#!/api/Ext.Base-method-callOverridden\" rel=\"Ext.Base-method-callOverridden\" class=\"docClass\">callOverridden</a></p>\n\n<pre><code>Ext.define('My.Cat', {\n    constructor: function() {\n        alert(\"I'm a cat!\");\n\n        return this;\n    }\n});\n\nMy.Cat.override({\n    constructor: function() {\n        alert(\"I'm going to be a cat!\");\n\n        var instance = this.callOverridden();\n\n        alert(\"Meeeeoooowwww\");\n\n        return instance;\n    }\n});\n\nvar kitty = new My.Cat(); // alerts \"I'm going to be a cat!\"\n                          // alerts \"I'm a cat!\"\n                          // alerts \"Meeeeoooowwww\"\n</code></pre>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>members</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li></ul><h3 class='pa'>Returns</h3><ul><li><span class='pre'><a href=\"#!/api/Ext.Base\" rel=\"Ext.Base\" class=\"docClass\">Ext.Base</a></span><div class='sub-desc'><p>this</p>\n</div></li></ul></div></div></div></div></div><div id='m-event'><div class='definedBy'>Defined By</div><h3 class='members-title'>Events</h3><div class='subsection'><div id='event-beforestart' class='member first-child not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-beforestart' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-beforestart' class='name expandable'>beforestart</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'> ...</div><div class='long'>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-drag' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-drag' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-drag' class='name expandable'>drag</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'> ...</div><div class='long'>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-dragend' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-dragend' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-dragend' class='name expandable'>dragend</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'> ...</div><div class='long'>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-dragstart' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-dragstart' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-dragstart' class='name expandable'>dragstart</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'> ...</div><div class='long'>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-mousedown' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-mousedown' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-mousedown' class='name expandable'>mousedown</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fires when the mouse button is pressed down, but before a drag operation begins. ...</div><div class='long'><p>Fires when the mouse button is pressed down, but before a drag operation begins. The\ndrag operation begins after either the mouse has been moved by <a href=\"#!/api/Ext.dd.DragTracker-cfg-tolerance\" rel=\"Ext.dd.DragTracker-cfg-tolerance\" class=\"docClass\">tolerance</a> pixels, or after\nthe <a href=\"#!/api/Ext.dd.DragTracker-cfg-autoStart\" rel=\"Ext.dd.DragTracker-cfg-autoStart\" class=\"docClass\">autoStart</a> timer fires.</p>\n\n\n<p>Return false to veto the drag operation.</p>\n\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-mousemove' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-mousemove' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-mousemove' class='name expandable'>mousemove</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fired when the mouse is moved. ...</div><div class='long'><p>Fired when the mouse is moved. Returning false cancels the drag operation.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-mouseout' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-mouseout' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-mouseout' class='name expandable'>mouseout</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Only available when trackOver is true\n\n\nFires when the mouse exits the DragTracker's target element (or if delegate i...</div><div class='long'><p><b>Only available when <a href=\"#!/api/Ext.dd.DragTracker-cfg-trackOver\" rel=\"Ext.dd.DragTracker-cfg-trackOver\" class=\"docClass\">trackOver</a> is <code>true</code></b></p>\n\n\n<p>Fires when the mouse exits the DragTracker's target element (or if <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> is\nused, when the mouse exits a delegate element).</p>\n\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-mouseover' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-mouseover' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-mouseover' class='name expandable'>mouseover</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, HTMLElement target, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Only available when trackOver is true\n\n\nFires when the mouse enters the DragTracker's target element (or if delegate ...</div><div class='long'><p><b>Only available when <a href=\"#!/api/Ext.dd.DragTracker-cfg-trackOver\" rel=\"Ext.dd.DragTracker-cfg-trackOver\" class=\"docClass\">trackOver</a> is <code>true</code></b></p>\n\n\n<p>Fires when the mouse enters the DragTracker's target element (or if <a href=\"#!/api/Ext.dd.DragTracker-cfg-delegate\" rel=\"Ext.dd.DragTracker-cfg-delegate\" class=\"docClass\">delegate</a> is\nused, when the mouse enters a delegate element).</p>\n\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>target</span> : HTMLElement<div class='sub-desc'><p>The element mouseovered.</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div><div id='event-mouseup' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.dd.DragTracker' rel='Ext.dd.DragTracker' class='definedIn docClass'>Ext.dd.DragTracker</a><br/><a href='source/DragTracker.html#Ext-dd-DragTracker-event-mouseup' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.dd.DragTracker-event-mouseup' class='name expandable'>mouseup</a>( <span class='pre'><a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> this, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> e, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'> ...</div><div class='long'>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>this</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'>\n</div></li><li><span class='pre'>e</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>event object</p>\n</div></li><li><span class='pre'>eOpts</span> : <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>The options object passed to <a href=\"#!/api/Ext.util.Observable-method-addListener\" rel=\"Ext.util.Observable-method-addListener\" class=\"docClass\">Ext.util.Observable.addListener</a>.</p>\n\n\n\n</div></li></ul></div></div></div></div></div></div></div>","allMixins":["Ext.util.Observable"],"meta":{},"requires":[],"deprecated":null,"extends":"Ext.Base","inheritable":false,"static":false,"superclasses":["Ext.Base","Ext.dd.DragTracker"],"singleton":false,"code_type":"ext_define","alias":null,"statics":{"property":[],"css_var":[],"css_mixin":[],"cfg":[],"method":[{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"addStatics","id":"static-method-addStatics"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"borrow","id":"static-method-borrow"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"create","id":"static-method-create"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"createAlias","id":"static-method-createAlias"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"getName","id":"static-method-getName"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"implement","id":"static-method-implement"},{"tagname":"method","deprecated":null,"static":true,"owner":"Ext.Base","template":false,"required":null,"protected":false,"name":"override","id":"static-method-override"}],"event":[]},"subclasses":["Ext.resizer.ResizeTracker","Ext.resizer.SplitterTracker","Ext.util.ComponentDragger"],"uses":["Ext.util.Region"],"protected":false,"mixins":["Ext.util.Observable"],"members":{"property":[{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"active","id":"property-active"},{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"dragTarget","id":"property-dragTarget"},{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.Base","template":null,"required":null,"protected":true,"name":"self","id":"property-self"}],"css_var":[],"css_mixin":[],"cfg":[{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"autoStart","id":"cfg-autoStart"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"constrainTo","id":"cfg-constrainTo"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"delegate","id":"cfg-delegate"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":null,"required":false,"protected":false,"name":"listeners","id":"cfg-listeners"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"overCls","id":"cfg-overCls"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"preventDefault","id":"cfg-preventDefault"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"stopEvent","id":"cfg-stopEvent"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"tolerance","id":"cfg-tolerance"},{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":false,"protected":false,"name":"trackOver","id":"cfg-trackOver"}],"method":[{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"addEvents","id":"method-addEvents"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"addListener","id":"method-addListener"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"addManagedListener","id":"method-addManagedListener"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.Base","template":false,"required":null,"protected":true,"name":"callOverridden","id":"method-callOverridden"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.Base","template":false,"required":null,"protected":true,"name":"callParent","id":"method-callParent"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"clearListeners","id":"method-clearListeners"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"clearManagedListeners","id":"method-clearManagedListeners"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"enableBubble","id":"method-enableBubble"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"fireEvent","id":"method-fireEvent"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":false,"required":null,"protected":false,"name":"getDragTarget","id":"method-getDragTarget"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":false,"required":null,"protected":false,"name":"getOffset","id":"method-getOffset"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"hasListener","id":"method-hasListener"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.Base","template":false,"required":null,"protected":true,"name":"initConfig","id":"method-initConfig"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":false,"required":null,"protected":false,"name":"initEl","id":"method-initEl"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"mon","id":"method-mon"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"mun","id":"method-mun"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"on","id":"method-on"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":true,"required":null,"protected":false,"name":"onBeforeStart","id":"method-onBeforeStart"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":true,"required":null,"protected":false,"name":"onDrag","id":"method-onDrag"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":true,"required":null,"protected":false,"name":"onEnd","id":"method-onEnd"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":true,"required":null,"protected":false,"name":"onStart","id":"method-onStart"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"relayEvents","id":"method-relayEvents"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"removeListener","id":"method-removeListener"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"removeManagedListener","id":"method-removeManagedListener"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"resumeEvents","id":"method-resumeEvents"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.Base","template":false,"required":null,"protected":true,"name":"statics","id":"method-statics"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"suspendEvents","id":"method-suspendEvents"},{"tagname":"method","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":false,"required":null,"protected":false,"name":"un","id":"method-un"}],"event":[{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"beforestart","id":"event-beforestart"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"drag","id":"event-drag"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"dragend","id":"event-dragend"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"dragstart","id":"event-dragstart"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"mousedown","id":"event-mousedown"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"mousemove","id":"event-mousemove"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"mouseout","id":"event-mouseout"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"mouseover","id":"event-mouseover"},{"tagname":"event","deprecated":null,"static":false,"owner":"Ext.dd.DragTracker","template":null,"required":null,"protected":false,"name":"mouseup","id":"event-mouseup"}]},"private":false,"component":false,"name":"Ext.dd.DragTracker","alternateClassNames":[],"id":"class-Ext.dd.DragTracker","mixedInto":[],"xtypes":{},"files":[{"href":"DragTracker.html#Ext-dd-DragTracker","filename":"DragTracker.js"}]});