docs/output/Ext.History.html

   1 <div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.History-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.History-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.History-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.History-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.History"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif">History</pre></div><h1>Class <a href="source/History.html#cls-Ext.History">Ext.History</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">History.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/History.html#cls-Ext.History">History</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.util.Observable.html" ext:cls="Ext.util.Observable" ext:member="">Observable</a></td></tr></table><div class="description">History management component that allows you to register arbitrary tokens that signify application\r
   2 history state on navigation actions.  You can then handle the history <a href="output/Ext.History.html#Ext.History-change" ext:member="change" ext:cls="Ext.History">change</a> event in order\r
   3 to reset your application UI to the appropriate state when the user navigates forward or backward through\r
   4 the browser history stack.<br><br><i>This class is a singleton and cannot be created directly.</i></div><div class="hr"></div><a id="Ext.History-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-listeners"></a><b><a href="source/Observable.html#cfg-Ext.util.Observable-listeners">listeners</a></b> : Object<div class="mdesc"><div class="short">A config object containing one or more event handlers to be added to this
   5 object during initialization.  This should ...</div><div class="long"><p>A config object containing one or more event handlers to be added to this
   6 object during initialization.  This should be a valid listeners config object as specified in the
   7 <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> example for attaching multiple handlers at once.</p>
   8 <br><p><b><u>DOM events from ExtJs <a href="output/Ext.Component.html" ext:cls="Ext.Component">Components</a></u></b></p>
   9 <br><p>While <i>some</i> ExtJs Component classes export selected DOM events (e.g. "click", "mouseover" etc), this
  10 is usually only done when extra value can be added. For example the <a href="output/Ext.DataView.html" ext:cls="Ext.DataView">DataView</a>'s
  11 <b><code><a href="output/Ext.DataView.html#Ext.DataView-click" ext:member="click" ext:cls="Ext.DataView">click</a></code></b> event passing the node clicked on. To access DOM
  12 events directly from a Component's HTMLElement, listeners must be added to the <i><a href="output/Ext.Component.html#Ext.Component-getEl" ext:member="getEl" ext:cls="Ext.Component">Element</a></i> after the Component
  13 has been rendered. A plugin can simplify this step:<pre><code><i>// Plugin is configured <b>with</b> a listeners config object.</i>
  14 <i>// The Component is appended to the argument list of all handler functions.</i>
  15 Ext.DomObserver = Ext.extend(Object, {
  16     constructor: <b>function</b>(config) {
  17         this.listeners = config.listeners ? config.listeners : config;
  18     },
  19
  20     <i>// Component passes itself into plugin&#39;s init method</i>
  21     init: <b>function</b>(c) {
  22         <b>var</b> p, l = this.listeners;
  23         <b>for</b> (p <b>in</b> l) {
  24             <b>if</b> (Ext.isFunction(l[p])) {
  25                 l[p] = this.createHandler(l[p], c);
  26             } <b>else</b> {
  27                 l[p].fn = this.createHandler(l[p].fn, c);
  28             }
  29         }
  30
  31         <i>// Add the listeners to the Element immediately following the render call</i>
  32         c.render = c.render.<a href="output/Function.html#Function-createSequence" ext:member="createSequence" ext:cls="Function">createSequence</a>(<b>function</b>() {
  33             <b>var</b> e = c.getEl();
  34             <b>if</b> (e) {
  35                 e.on(l);
  36             }
  37         });
  38     },
  39
  40     createHandler: <b>function</b>(fn, c) {
  41         <b>return</b> <b>function</b>(e) {
  42             fn.call(this, e, c);
  43         };
  44     }
  45 });
  46
  47 <b>var</b> combo = <b>new</b> Ext.form.ComboBox({
  48
  49     <i>// Collapse combo when its element is clicked on</i>
  50     plugins: [ <b>new</b> Ext.DomObserver({
  51         click: <b>function</b>(evt, comp) {
  52             comp.collapse();
  53         }
  54     })],
  55     store: myStore,
  56     typeAhead: true,
  57     mode: <em>'local'</em>,
  58     triggerAction: <em>'all'</em>
  59 });</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr></tbody></table><a id="Ext.History-props"></a><h2>Public Properties</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Property</th><th class="msource-header">Defined By</th></tr><tr class="property-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-fieldId"></a><b><a href="source/History.html#prop-Ext.History-fieldId">fieldId</a></b> : String<div class="mdesc">The id of the hidden field required for storing the current history token.</div></td><td class="msource">History</td></tr><tr class="property-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-iframeId"></a><b><a href="source/History.html#prop-Ext.History-iframeId">iframeId</a></b> : String<div class="mdesc">The id of the iframe required by IE to manage the history stack.</div></td><td class="msource">History</td></tr></tbody></table><a id="Ext.History-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-add"></a><b><a href="source/History.html#method-Ext.History-add">add</a></b>(&nbsp;<code>String&nbsp;token</code>,&nbsp;<code>Boolean&nbsp;preventDuplicates</code>&nbsp;)
  60     :
  61                                         void<div class="mdesc"><div class="short">Add a new token to the history stack. This can be any arbitrary value, although it would&#13;
  62 commonly be the concatenati...</div><div class="long">Add a new token to the history stack. This can be any arbitrary value, although it would\r
  63 commonly be the concatenation of a component id and another id marking the specifc history\r
  64 state of that component.  Example usage:\r
  65 <pre><code><i>// Handle tab changes on a TabPanel\r</i>
  66 tabPanel.on(<em>'tabchange'</em>, <b>function</b>(tabPanel, tab){\r
  67     Ext.History.add(tabPanel.id + <em>':'</em> + tab.id);\r
  68 });</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>token</code> : String<div class="sub-desc">The value that defines a particular application-specific history state</div></li><li><code>preventDuplicates</code> : Boolean<div class="sub-desc">When true, if the passed token matches the current token\r
  69 it will not save a new history step. Set to false if the same state can be saved more than once\r
  70 at the same history stack location (defaults to true).</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">History</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>(&nbsp;<code>Object&nbsp;object</code>&nbsp;)
  71     :
  72                                         void<div class="mdesc"><div class="short">Used to define events on this Observable</div><div class="long">Used to define events on this Observable<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>object</code> : Object<div class="sub-desc">The object with the events defined</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addEvents" ext:member="#addEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addListener">addListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)
  73     :
  74                                         void<div class="mdesc"><div class="short">Appends an event handler to this object.</div><div class="long">Appends an event handler to this object.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to listen for.</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code><b>this</b></code> reference) in which the handler function is executed.
  75 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.
  76 properties. This may contain any of the following properties:<ul>
  77 <li><b>scope</b> : Object<div class="sub-desc">The scope (<code><b>this</b></code> reference) in which the handler function is executed.
  78 <b>If omitted, defaults to the object which fired the event.</b></div></li>
  79 <li><b>delay</b> : Number<div class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</div></li>
  80 <li><b>single</b> : Boolean<div class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</div></li>
  81 <li><b>buffer</b> : Number<div class="sub-desc">Causes the handler to be scheduled to run in an <a href="output/Ext.util.DelayedTask.html" ext:cls="Ext.util.DelayedTask">Ext.util.DelayedTask</a> delayed
  82 by the specified number of milliseconds. If the event fires again within that time, the original
  83 handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li>
  84 <li><b>target</b> : Observable<div class="sub-desc">Only call the handler if the event was fired on the target Observable, <i>not</i>
  85 if the event was bubbled up from a child Observable.</div></li>
  86 </ul><br>
  87 <p>
  88 <b>Combining Options</b><br>
  89 Using the options argument, it is possible to combine different types of listeners:<br>
  90 <br>
  91 A delayed, one-time listener.
  92 <pre><code>myDataView.on(<em>'click'</em>, this.onClick, this, {
  93     single: true,
  94     delay: 100
  95 });</code></pre>
  96 <p>
  97 <b>Attaching multiple handlers in 1 call</b><br>
  98 The method also allows for a single argument to be passed which is a config object containing properties
  99 which specify multiple handlers.
 100 <p>
 101 <pre><code>myGridPanel.on({
 102     <em>'click'</em> : {
 103         fn: this.onClick,
 104         scope: this,
 105         delay: 100
 106     },
 107     <em>'mouseover'</em> : {
 108         fn: this.onMouseOver,
 109         scope: this
 110     },
 111     <em>'mouseout'</em> : {
 112         fn: this.onMouseOut,
 113         scope: this
 114     }
 115 });</code></pre>
 116 <p>
 117 Or a shorthand syntax:<br>
 118 <pre><code>myGridPanel.on({
 119     <em>'click'</em> : this.onClick,
 120     <em>'mouseover'</em> : this.onMouseOver,
 121     <em>'mouseout'</em> : this.onMouseOut,
 122      scope: this
 123 });</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-back"></a><b><a href="source/History.html#method-Ext.History-back">back</a></b>()
 124     :
 125                                         void<div class="mdesc"><div class="short">Programmatically steps back one step in browser history (equivalent to the user pressing the Back button).</div><div class="long">Programmatically steps back one step in browser history (equivalent to the user pressing the Back button).<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">History</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>Object&nbsp;events</code>&nbsp;)
 126     :
 127                                         void<div class="mdesc"><div class="short">Used to enable bubbling of events</div><div class="long">Used to enable bubbling of events<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : Object<div class="sub-desc"></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)
 128     :
 129                                         Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
 130 An event may be set to bubble up an Obse...</div><div class="long"><p>Fires the specified event with the passed parameters (minus the event name).</p>
 131 <p>An event may be set to bubble up an Observable parent hierarchy (See <a href="output/Ext.Component.html#Ext.Component-getBubbleTarget" ext:member="getBubbleTarget" ext:cls="Ext.Component">Ext.Component.getBubbleTarget</a>)
 132 by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers.</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-forward"></a><b><a href="source/History.html#method-Ext.History-forward">forward</a></b>()
 133     :
 134                                         void<div class="mdesc"><div class="short">Programmatically steps forward one step in browser history (equivalent to the user pressing the Forward button).</div><div class="long">Programmatically steps forward one step in browser history (equivalent to the user pressing the Forward button).<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">History</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-getToken"></a><b><a href="source/History.html#method-Ext.History-getToken">getToken</a></b>()
 135     :
 136                                         String<div class="mdesc"><div class="short">Retrieves the currently-active history token.</div><div class="long">Retrieves the currently-active history token.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">The token</div></li></ul></div></div></div></td><td class="msource">History</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>&nbsp;)
 137     :
 138                                         Boolean<div class="mdesc"><div class="short">Checks to see if this object has any listeners for a specified event</div><div class="long">Checks to see if this object has any listeners for a specified event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.History-init"></a><b><a href="source/History.html#method-Ext.History-init">init</a></b>(&nbsp;<span title="Optional" class="optional">[<code>Boolean&nbsp;onReady</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>&nbsp;)
 139     :
 140                                         void<div class="mdesc"><div class="short">Initialize the global History instance.</div><div class="long">Initialize the global History instance.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>onReady</code> : Boolean<div class="sub-desc">(optional) A callback function that will be called once the history\r
 141 component is fully initialized.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The callback scope</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">History</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)
 142     :
 143                                         void<div class="mdesc"><div class="short">Appends an event handler to this object (shorthand for addListener.)</div><div class="long">Appends an event handler to this object (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a>.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code><b>this</b></code> reference) in which the handler function is executed.
 144 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#on" ext:member="#on" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-purgeListeners"></a><b><a href="source/Observable.html#method-Ext.util.Observable-purgeListeners">purgeListeners</a></b>()
 145     :
 146                                         void<div class="mdesc"><div class="short">Removes all listeners for this object</div><div class="long">Removes all listeners for this object<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#purgeListeners" ext:member="#purgeListeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-relayEvents"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-relayEvents">relayEvents</a></b>(&nbsp;<code>Object&nbsp;o</code>,&nbsp;<code>Array&nbsp;events</code>&nbsp;)
 147     :
 148                                         void<div class="mdesc"><div class="short">Relays selected events from the specified Observable as if the events were fired by this.</div><div class="long">Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object<div class="sub-desc">The Observable whose events this object is to relay.</div></li><li><code>events</code> : Array<div class="sub-desc">Array of event names to relay.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#relayEvents" ext:member="#relayEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-removeListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-removeListener">removeListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>&nbsp;)
 149     :
 150                                         void<div class="mdesc"><div class="short">Removes an event handler.</div><div class="long">Removes an event handler.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event the handler was associated with.</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove. <b>This must be a reference to the function passed into the <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> call.</b></div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope originally specified for the handler.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#removeListener" ext:member="#removeListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-resumeEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-resumeEvents">resumeEvents</a></b>()
 151     :
 152                                         void<div class="mdesc"><div class="short">Resume firing events. (see suspendEvents)
 153 If events were suspended using the queueSuspended parameter, then all
 154 event...</div><div class="long">Resume firing events. (see <a href="output/Ext.util.Observable.html#Ext.util.Observable-suspendEvents" ext:member="suspendEvents" ext:cls="Ext.util.Observable">suspendEvents</a>)
 155 If events were suspended using the <tt><b>queueSuspended</b></tt> parameter, then all
 156 events fired during event suspension will be sent to any listeners now.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#resumeEvents" ext:member="#resumeEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-suspendEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-suspendEvents">suspendEvents</a></b>(&nbsp;<code>Boolean&nbsp;queueSuspended</code>&nbsp;)
 157     :
 158                                         void<div class="mdesc"><div class="short">Suspend the firing of all events. (see resumeEvents)</div><div class="long">Suspend the firing of all events. (see <a href="output/Ext.util.Observable.html#Ext.util.Observable-resumeEvents" ext:member="resumeEvents" ext:cls="Ext.util.Observable">resumeEvents</a>)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>queueSuspended</code> : Boolean<div class="sub-desc">Pass as true to queue up suspended events to be fired
 159 after the <a href="output/Ext.util.Observable.html#Ext.util.Observable-resumeEvents" ext:member="resumeEvents" ext:cls="Ext.util.Observable">resumeEvents</a> call instead of discarding all suspended events;</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#suspendEvents" ext:member="#suspendEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-un"></a><b><a href="source/Observable.html#method-Ext.util.Observable-un">un</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>&nbsp;)
 160     :
 161                                         void<div class="mdesc"><div class="short">Removes an event handler (shorthand for removeListener.)</div><div class="long">Removes an event handler (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-removeListener" ext:member="removeListener" ext:cls="Ext.util.Observable">removeListener</a>.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event the handler was associated with.</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove. <b>This must be a reference to the function passed into the <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> call.</b></div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope originally specified for the handler.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#un" ext:member="#un" ext:cls="Ext.util.Observable">Observable</a></td></tr></tbody></table><a id="Ext.History-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>