Upgrade to ExtJS 4.0.7 - Released 10/19/2011
[extjs.git] / docs / output / Ext.FocusManager.js
1 Ext.data.JsonP.Ext_FocusManager({"tagname":"class","html":"<div><pre class=\"hierarchy\"><h4>Alternate names</h4><div class='alternate-class-name'>Ext.FocusMgr</div><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.FocusManager</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>Requires</h4><div class='dependency'><a href='#!/api/Ext.ComponentManager' rel='Ext.ComponentManager' class='docClass'>Ext.ComponentManager</a></div><div class='dependency'><a href='#!/api/Ext.ComponentQuery' rel='Ext.ComponentQuery' class='docClass'>Ext.ComponentQuery</a></div><div class='dependency'><a href='#!/api/Ext.util.HashMap' rel='Ext.util.HashMap' class='docClass'>Ext.util.HashMap</a></div><div class='dependency'><a href='#!/api/Ext.util.KeyNav' rel='Ext.util.KeyNav' class='docClass'>Ext.util.KeyNav</a></div><h4>Files</h4><div class='dependency'><a href='source/FocusManager.html#Ext-FocusManager' target='_blank'>FocusManager.js</a></div></pre><div class='doc-contents'><p>The FocusManager is responsible for globally:</p>\n\n<ol>\n<li>Managing component focus</li>\n<li>Providing basic keyboard navigation</li>\n<li>(optional) Provide a visual cue for focused components, in the form of a focus ring/frame.</li>\n</ol>\n\n\n<p>To activate the FocusManager, simply call <code>Ext.FocusManager.enable();</code>. In turn, you may\ndeactivate the FocusManager by subsequently calling `Ext.FocusManager.disable();.  The\nFocusManager is disabled by default.</p>\n\n<p>To enable the optional focus frame, pass <code>true</code> or <code>{focusFrame: true}</code> to <a href=\"#!/api/Ext.FocusManager-event-enable\" rel=\"Ext.FocusManager-event-enable\" class=\"docClass\">enable</a>.</p>\n\n<p>Another feature of the FocusManager is to provide basic keyboard focus navigation scoped to any <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a>\nthat would like to have navigation between its child <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a>'s. The <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> can simply\ncall <a href=\"#!/api/Ext.FocusManager-method-subscribe\" rel=\"Ext.FocusManager-method-subscribe\" class=\"docClass\">Ext.FocusManager.subscribe</a> to take advantage of this feature, and can at any time call\n<a href=\"#!/api/Ext.FocusManager-method-unsubscribe\" rel=\"Ext.FocusManager-method-unsubscribe\" class=\"docClass\">Ext.FocusManager.unsubscribe</a> to turn the navigation off.</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-listeners' 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-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></div><div id='m-property'><div class='definedBy'>Defined By</div><h3 class='members-title'>Properties</h3><div class='subsection'><div id='property-enabled' 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.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-property-enabled' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-property-enabled' class='name not-expandable'>enabled</a><span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a></span></div><div class='description'><div class='short'><p>Whether or not the FocusManager is currently enabled</p>\n</div><div class='long'><p>Whether or not the FocusManager is currently enabled</p>\n</div></div></div><div id='property-focusedCmp' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-property-focusedCmp' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-property-focusedCmp' class='name expandable'>focusedCmp</a><span> : <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a></span></div><div class='description'><div class='short'>The currently focused component. ...</div><div class='long'><p>The currently focused component. Defaults to <code>undefined</code>.</p>\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 id='property-whitelist' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-property-whitelist' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-property-whitelist' class='name expandable'>whitelist</a><span> : <a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[]</span></div><div class='description'><div class='short'>A list of xtypes that should ignore certain navigation input keys and\nallow for the default browser event/behavior. ...</div><div class='long'><p>A list of xtypes that should ignore certain navigation input keys and\nallow for the default browser event/behavior. These input keys include:</p>\n\n<ol>\n<li>Backspace</li>\n<li>Delete</li>\n<li>Left</li>\n<li>Right</li>\n<li>Up</li>\n<li>Down</li>\n</ol>\n\n\n<p>The FocusManager will not attempt to navigate when a component is an xtype (or descendents thereof)\nthat belongs to this whitelist. E.g., an <a href=\"#!/api/Ext.form.field.Text\" rel=\"Ext.form.field.Text\" class=\"docClass\">Ext.form.field.Text</a> should allow\nthe user to move the input cursor left and right, and to delete characters, etc.</p>\n</div></div></div></div></div><div id='m-method'><div class='definedBy'>Defined By</div><h3 class='members-title'>Methods</h3><div class='subsection'><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-addXTypeToWhitelist' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-addXTypeToWhitelist' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-addXTypeToWhitelist' class='name expandable'>addXTypeToWhitelist</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[] xtype</span> )</div><div class='description'><div class='short'>Adds the specified xtype to the whitelist. ...</div><div class='long'><p>Adds the specified xtype to the <a href=\"#!/api/Ext.FocusManager-property-whitelist\" rel=\"Ext.FocusManager-property-whitelist\" class=\"docClass\">whitelist</a>.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>xtype</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>Adds the xtype(s) to the <a href=\"#!/api/Ext.FocusManager-property-whitelist\" rel=\"Ext.FocusManager-property-whitelist\" class=\"docClass\">whitelist</a>.</p>\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-disable' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-disable' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-disable' class='name expandable'>disable</a>( <span class='pre'></span> )</div><div class='description'><div class='short'>Disables the FocusManager by turning of all automatic focus management and keyboard navigation ...</div><div class='long'><p>Disables the FocusManager by turning of all automatic focus management and keyboard navigation</p>\n</div></div></div><div id='method-enable' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-enable' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-enable' class='name expandable'>enable</a>( <span class='pre'><a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> options</span> )</div><div class='description'><div class='short'>Enables the FocusManager by turning on all automatic focus management and keyboard navigation ...</div><div class='long'><p>Enables the FocusManager by turning on all automatic focus management and keyboard navigation</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>options</span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>Either <code>true</code>/<code>false</code> to turn on the focus frame, or an object of the following options:</p>\n\n<pre><code>    - focusFrame : Boolean\n        `true` to show the focus frame around a component when it is focused. Defaults to `false`.\n</code></pre>\n</div></li></ul></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-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-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-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-removeXTypeFromWhitelist' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-removeXTypeFromWhitelist' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-removeXTypeFromWhitelist' class='name expandable'>removeXTypeFromWhitelist</a>( <span class='pre'><a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>/<a href=\"#!/api/String\" rel=\"String\" class=\"docClass\">String</a>[] xtype</span> )</div><div class='description'><div class='short'>Removes the specified xtype from the whitelist. ...</div><div class='long'><p>Removes the specified xtype from the <a href=\"#!/api/Ext.FocusManager-property-whitelist\" rel=\"Ext.FocusManager-property-whitelist\" class=\"docClass\">whitelist</a>.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>xtype</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>Removes the xtype(s) from the <a href=\"#!/api/Ext.FocusManager-property-whitelist\" rel=\"Ext.FocusManager-property-whitelist\" class=\"docClass\">whitelist</a>.</p>\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-subscribe' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-subscribe' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-subscribe' class='name expandable'>subscribe</a>( <span class='pre'><a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> container, <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> options</span> )</div><div class='description'><div class='short'>Subscribes an Ext.container.Container to provide basic keyboard focus navigation between its child Ext.Component's. ...</div><div class='long'><p>Subscribes an <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> to provide basic keyboard focus navigation between its child <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a>'s.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>container</span> : <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a><div class='sub-desc'><p>A reference to the <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> on which to enable keyboard functionality and focus management.</p>\n</div></li><li><span class='pre'>options</span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>An object of the following options</p>\n<ul><li><span class='pre'>keys</span> : <a href=\"#!/api/Array\" rel=\"Array\" class=\"docClass\">Array</a>/<a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a><div class='sub-desc'><p>An array containing the string names of navigation keys to be supported. The allowed values are:</p>\n\n<ul>\n<li>'left'</li>\n<li>'right'</li>\n<li>'up'</li>\n<li>'down'</li>\n</ul>\n\n\n<p>Or, an object containing those key names as keys with <code>true</code> or a callback function as their value. A scope may also be passed. E.g.:</p>\n\n<pre><code>{\n    left: this.onLeftKey,\n    right: this.onRightKey,\n    scope: this\n}\n</code></pre>\n</div></li><li><span class='pre'>focusFrame</span> : <a href=\"#!/api/Boolean\" rel=\"Boolean\" class=\"docClass\">Boolean</a><div class='sub-desc'><p><code>true</code> to show the focus frame around a component when it is focused. Defaults to <code>false</code>.</p>\n</div></li></ul></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 id='method-unsubscribe' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-method-unsubscribe' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-method-unsubscribe' class='name expandable'>unsubscribe</a>( <span class='pre'><a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> container</span> )</div><div class='description'><div class='short'>Unsubscribes an Ext.container.Container from keyboard focus management. ...</div><div class='long'><p>Unsubscribes an <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> from keyboard focus management.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>container</span> : <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a><div class='sub-desc'><p>A reference to the <a href=\"#!/api/Ext.container.Container\" rel=\"Ext.container.Container\" class=\"docClass\">Ext.container.Container</a> to unsubscribe from the FocusManager.</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-beforecomponentfocus' 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.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-event-beforecomponentfocus' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-event-beforecomponentfocus' class='name expandable'>beforecomponentfocus</a>( <span class='pre'><a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a> fm, <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a> cmp, <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a> previousCmp, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fires before a component becomes focused. ...</div><div class='long'><p>Fires before a component becomes focused. Return <code>false</code> to prevent\nthe component from gaining focus.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>fm</span> : <a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a><div class='sub-desc'><p>A reference to the FocusManager singleton</p>\n</div></li><li><span class='pre'>cmp</span> : <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a><div class='sub-desc'><p>The component that is being focused</p>\n</div></li><li><span class='pre'>previousCmp</span> : <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a><div class='sub-desc'><p>The component that was previously focused,\nor <code>undefined</code> if there was no previously focused component.</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-componentfocus' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-event-componentfocus' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-event-componentfocus' class='name expandable'>componentfocus</a>( <span class='pre'><a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a> fm, <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a> cmp, <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a> previousCmp, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fires after a component becomes focused. ...</div><div class='long'><p>Fires after a component becomes focused.</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>fm</span> : <a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a><div class='sub-desc'><p>A reference to the FocusManager singleton</p>\n</div></li><li><span class='pre'>cmp</span> : <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a><div class='sub-desc'><p>The component that has been focused</p>\n</div></li><li><span class='pre'>previousCmp</span> : <a href=\"#!/api/Ext.Component\" rel=\"Ext.Component\" class=\"docClass\">Ext.Component</a><div class='sub-desc'><p>The component that was previously focused,\nor <code>undefined</code> if there was no previously focused component.</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-disable' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-event-disable' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-event-disable' class='name expandable'>disable</a>( <span class='pre'><a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a> fm, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fires when the FocusManager is disabled ...</div><div class='long'><p>Fires when the FocusManager is disabled</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>fm</span> : <a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a><div class='sub-desc'><p>A reference to the FocusManager singleton</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-enable' class='member  not-inherited'><a href='#' class='side expandable'><span>&nbsp;</span></a><div class='title'><div class='meta'><a href='#!/api/Ext.FocusManager' rel='Ext.FocusManager' class='definedIn docClass'>Ext.FocusManager</a><br/><a href='source/FocusManager.html#Ext-FocusManager-event-enable' target='_blank' class='viewSource'>view source</a></div><a href='#!/api/Ext.FocusManager-event-enable' class='name expandable'>enable</a>( <span class='pre'><a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a> fm, <a href=\"#!/api/Object\" rel=\"Object\" class=\"docClass\">Object</a> eOpts</span> )</div><div class='description'><div class='short'>Fires when the FocusManager is enabled ...</div><div class='long'><p>Fires when the FocusManager is enabled</p>\n<h3 class=\"pa\">Parameters</h3><ul><li><span class='pre'>fm</span> : <a href=\"#!/api/Ext.FocusManager\" rel=\"Ext.FocusManager\" class=\"docClass\">Ext.FocusManager</a><div class='sub-desc'><p>A reference to the FocusManager singleton</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":{"author":["Jarred Nicholls <jarred@sencha.com>"],"docauthor":["Jarred Nicholls <jarred@sencha.com>"]},"requires":["Ext.ComponentManager","Ext.ComponentQuery","Ext.util.HashMap","Ext.util.KeyNav"],"deprecated":null,"extends":"Ext.Base","inheritable":false,"static":false,"superclasses":["Ext.Base","Ext.FocusManager"],"singleton":true,"code_type":"ext_define","alias":null,"statics":{"property":[],"css_var":[],"css_mixin":[],"cfg":[],"method":[],"event":[]},"subclasses":[],"uses":[],"protected":false,"mixins":["Ext.util.Observable"],"members":{"property":[{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.FocusManager","template":null,"required":null,"protected":false,"name":"enabled","id":"property-enabled"},{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.FocusManager","template":null,"required":null,"protected":false,"name":"focusedCmp","id":"property-focusedCmp"},{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.Base","template":null,"required":null,"protected":true,"name":"self","id":"property-self"},{"tagname":"property","deprecated":null,"static":false,"owner":"Ext.FocusManager","template":null,"required":null,"protected":false,"name":"whitelist","id":"property-whitelist"}],"css_var":[],"css_mixin":[],"cfg":[{"tagname":"cfg","deprecated":null,"static":false,"owner":"Ext.util.Observable","template":null,"required":false,"protected":false,"name":"listeners","id":"cfg-listeners"}],"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.FocusManager","template":false,"required":null,"protected":false,"name":"addXTypeToWhitelist","id":"method-addXTypeToWhitelist"},{"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.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