docs/output/Ext.direct.JsonProvider.html

   1 <div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.direct.JsonProvider-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.direct.JsonProvider-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.direct.JsonProvider-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.direct.JsonProvider-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.direct.JsonProvider"><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"><a href="output/Ext.direct.Provider.html" ext:member="" ext:cls="Ext.direct.Provider">Provider</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif">JsonProvider</pre></div><h1>Class <a href="source/JsonProvider.html#cls-Ext.direct.JsonProvider">Ext.direct.JsonProvider</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.direct</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">JsonProvider.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/JsonProvider.html#cls-Ext.direct.JsonProvider">JsonProvider</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.direct.PollingProvider.html" ext:cls="Ext.direct.PollingProvider">PollingProvider</a>,&#13;<a href="output/Ext.direct.RemotingProvider.html" ext:cls="Ext.direct.RemotingProvider">RemotingProvider</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider" ext:member="">Provider</a></td></tr><tr><td class="hd-info"></td></tr></table><div class="description"></div><div class="hr"></div><a id="Ext.direct.JsonProvider-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.direct.Provider-id"></a><b><a href="source/Provider.html#cfg-Ext.direct.Provider-id">id</a></b> : String<div class="mdesc"><div class="short">The unique id of the provider (defaults to an auto-assigned id).&#13;\r
   2 You should assign an id if you need to be able to a...</div><div class="long">The unique id of the provider (defaults to an <a href="output/Ext.html#Ext-id" ext:member="id" ext:cls="Ext">auto-assigned id</a>).\r
   3 You should assign an id if you need to be able to access the provider later and you do\r
   4 not have an object reference available, for example:\r
   5 <pre><code>Ext.Direct.addProvider(\r
   6     {\r
   7         type: <em>'polling'</em>,\r
   8         url:  <em>'php/poll.php'</em>,\r
   9         id:   <em>'poll-provider'</em>\r
  10     }\r
  11 );\r
  12      \r
  13 <b>var</b> p = <a href="output/Ext.Direct.html" ext:cls="Ext.Direct">Ext.Direct</a>.<a href="output/Ext.Direct.html#Ext.Direct-getProvider" ext:member="getProvider" ext:cls="Ext.Direct">getProvider</a>(<em>'poll-provider'</em>);\r
  14 p.disconnect();</code></pre></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#id" ext:member="#id" ext:cls="Ext.direct.Provider">Provider</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-listeners"></a><b><a href="source/Observable.html#cfg-Ext.util.Observable-listeners">listeners</a></b> : Object<div class="mdesc"><div class="short">A config object containing one or more event handlers to be added to this\r
  15 object during initialization.  This should ...</div><div class="long"><p>A config object containing one or more event handlers to be added to this
  16 object during initialization.  This should be a valid listeners config object as specified in the
  17 <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>
  18 <br><p><b><u>DOM events from ExtJs <a href="output/Ext.Component.html" ext:cls="Ext.Component">Components</a></u></b></p>
  19 <br><p>While <i>some</i> ExtJs Component classes export selected DOM events (e.g. "click", "mouseover" etc), this
  20 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
  21 <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
  22 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
  23 has been rendered. A plugin can simplify this step:<pre><code><i>// Plugin is configured <b>with</b> a listeners config object.</i>
  24 <i>// The Component is appended to the argument list of all handler functions.</i>
  25 Ext.DomObserver = Ext.extend(Object, {
  26     constructor: <b>function</b>(config) {
  27         this.listeners = config.listeners ? config.listeners : config;
  28     },
  29
  30     <i>// Component passes itself into plugin&#39;s init method</i>
  31     init: <b>function</b>(c) {
  32         <b>var</b> p, l = this.listeners;
  33         <b>for</b> (p <b>in</b> l) {
  34             <b>if</b> (Ext.isFunction(l[p])) {
  35                 l[p] = this.createHandler(l[p], c);
  36             } <b>else</b> {
  37                 l[p].fn = this.createHandler(l[p].fn, c);
  38             }
  39         }
  40
  41         <i>// Add the listeners to the Element immediately following the render call</i>
  42         c.render = c.render.<a href="output/Function.html#Function-createSequence" ext:member="createSequence" ext:cls="Function">createSequence</a>(<b>function</b>() {
  43             <b>var</b> e = c.getEl();
  44             <b>if</b> (e) {
  45                 e.on(l);
  46             }
  47         });
  48     },
  49
  50     createHandler: <b>function</b>(fn, c) {
  51         <b>return</b> <b>function</b>(e) {
  52             fn.call(this, e, c);
  53         };
  54     }
  55 });
  56
  57 <b>var</b> combo = <b>new</b> Ext.form.ComboBox({
  58
  59     <i>// Collapse combo when its element is clicked on</i>
  60     plugins: [ <b>new</b> Ext.DomObserver({
  61         click: <b>function</b>(evt, comp) {
  62             comp.collapse();
  63         }
  64     })],
  65     store: myStore,
  66     typeAhead: true,
  67     mode: <em>'local'</em>,
  68     triggerAction: <em>'all'</em>
  69 });</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-priority"></a><b><a href="source/Provider.html#cfg-Ext.direct.Provider-priority">priority</a></b> : Number<div class="mdesc"><div class="short">Priority of the request. Lower is higher priority, 0 means "duplex" (always on).&#13;\r
  70 All Providers default to 1 except f...</div><div class="long">Priority of the request. Lower is higher priority, <tt>0</tt> means "duplex" (always on).\r
  71 All Providers default to <tt>1</tt> except for PollingProvider which defaults to <tt>3</tt>.</div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#priority" ext:member="#priority" ext:cls="Ext.direct.Provider">Provider</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-type"></a><b><a href="source/Provider.html#cfg-Ext.direct.Provider-type">type</a></b> : String<div class="mdesc"><div class="short">Required, undefined by default.  The type of provider specified&#13;\r
  72 to Ext.Direct.addProvider to create a&#13;\r
  73 new Provider....</div><div class="long"><b>Required</b>, <tt>undefined</tt> by default.  The <tt>type</tt> of provider specified\r
  74 to <a href="output/Ext.Direct.html" ext:cls="Ext.Direct">Ext.Direct</a>.<a href="output/Ext.Direct.html#Ext.Direct-addProvider" ext:member="addProvider" ext:cls="Ext.Direct">addProvider</a> to create a\r
  75 new Provider. Acceptable values by default are:<div class="mdetail-params"><ul>\r
  76 <li><b><tt>polling</tt></b> : <a href="output/Ext.direct.PollingProvider.html" ext:cls="Ext.direct.PollingProvider">PollingProvider</a></li>\r
  77 <li><b><tt>remoting</tt></b> : <a href="output/Ext.direct.RemotingProvider.html" ext:cls="Ext.direct.RemotingProvider">RemotingProvider</a></li>\r
  78 </ul></div></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#type" ext:member="#type" ext:cls="Ext.direct.Provider">Provider</a></td></tr></tbody></table><a id="Ext.direct.JsonProvider-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  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-connect"></a><b><a href="source/Provider.html#prop-Ext.direct.Provider-connect">connect</a></b> : Object<div class="mdesc">Abstract methods for subclasses to implement.</div></td><td class="msource"><a href="output/Ext.direct.Provider.html#connect" ext:member="#connect" ext:cls="Ext.direct.Provider">Provider</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-disconnect"></a><b><a href="source/Provider.html#prop-Ext.direct.Provider-disconnect">disconnect</a></b> : Object<div class="mdesc">Abstract methods for subclasses to implement.</div></td><td class="msource"><a href="output/Ext.direct.Provider.html#disconnect" ext:member="#disconnect" ext:cls="Ext.direct.Provider">Provider</a></td></tr></tbody></table><a id="Ext.direct.JsonProvider-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>(&nbsp;<code>Object|String&nbsp;o</code>,&nbsp;<code>string&nbsp;Optional.</code>&nbsp;)\r
  79     :\r
  80                                         void<div class="mdesc"><div class="short">Adds the specified events to the list of events which this Observable may fire.</div><div class="long">Adds the specified events to the list of events which this Observable may fire.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object|String<div class="sub-desc">Either an object with event names as properties with a value of <code>true</code>
  81 or the first event name string if multiple event names are being passed as separate parameters.</div></li><li><code>Optional.</code> : string<div class="sub-desc">Event name if multiple event names are being passed as separate parameters.
  82 Usage:<pre><code>this.addEvents(<em>'storeloaded'</em>, <em>'storecleared'</em>);</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addEvents" ext:member="#addEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-addListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addListener">addListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)\r
  83     :\r
  84                                         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.
  85 <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.
  86 properties. This may contain any of the following properties:<ul>
  87 <li><b>scope</b> : Object<div class="sub-desc">The scope (<code><b>this</b></code> reference) in which the handler function is executed.
  88 <b>If omitted, defaults to the object which fired the event.</b></div></li>
  89 <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>
  90 <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>
  91 <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
  92 by the specified number of milliseconds. If the event fires again within that time, the original
  93 handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li>
  94 <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>
  95 if the event was bubbled up from a child Observable.</div></li>
  96 </ul><br>
  97 <p>
  98 <b>Combining Options</b><br>
  99 Using the options argument, it is possible to combine different types of listeners:<br>
 100 <br>
 101 A delayed, one-time listener.
 102 <pre><code>myDataView.on(<em>'click'</em>, this.onClick, this, {
 103 single: true,
 104 delay: 100
 105 });</code></pre>
 106 <p>
 107 <b>Attaching multiple handlers in 1 call</b><br>
 108 The method also allows for a single argument to be passed which is a config object containing properties
 109 which specify multiple handlers.
 110 <p>
 111 <pre><code>myGridPanel.on({
 112 <em>'click'</em> : {
 113     fn: this.onClick,
 114     scope: this,
 115     delay: 100
 116 },
 117 <em>'mouseover'</em> : {
 118     fn: this.onMouseOver,
 119     scope: this
 120 },
 121 <em>'mouseout'</em> : {
 122     fn: this.onMouseOut,
 123     scope: this
 124 }
 125 });</code></pre>
 126 <p>
 127 Or a shorthand syntax:<br>
 128 <pre><code>myGridPanel.on({
 129 <em>'click'</em> : this.onClick,
 130 <em>'mouseover'</em> : this.onMouseOver,
 131 <em>'mouseout'</em> : this.onMouseOut,
 132  scope: this
 133 });</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>(&nbsp;<code>Object&nbsp;events</code>&nbsp;)\r
 134     :\r
 135                                         void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling&#13;\r
 136 this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling\r
 137 <code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>\r
 138 <p>This is commonly used by Ext.Components to bubble events to owner Containers. See <a href="output/Ext.Component.getBubbleTarget.html" ext:cls="Ext.Component.getBubbleTarget">Ext.Component.getBubbleTarget</a>. The default\r
 139 implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to\r
 140 access the required target more quickly.</p>\r
 141 <p>Example:</p><pre><code>Ext.override(Ext.form.Field, {\r
 142 <i>//  Add functionality to Field<em>'s initComponent to enable the change event to bubble\r</i>
 143     initComponent: Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {\r
 144         this.enableBubble('</em>change<em>');\r
 145     }),\r
 146 \r
 147 <i>//  We know that we want Field'</em>s events to bubble directly to the FormPanel.\r</i>
 148     getBubbleTarget: <b>function</b>() {\r
 149         <b>if</b> (!this.formPanel) {\r
 150             this.formPanel = this.findParentByType(<em>'form'</em>);\r
 151         }\r
 152         <b>return</b> this.formPanel;\r
 153     }\r
 154 });\r
 155 \r
 156 <b>var</b> myForm = <b>new</b> Ext.formPanel({\r
 157     title: <em>'User Details'</em>,\r
 158     items: [{\r
 159         ...\r
 160     }],\r
 161     listeners: {\r
 162         change: <b>function</b>() {\r
 163 <i>//          Title goes red <b>if</b> form has been modified.\r</i>
 164             myForm.header.setStyle(<em>"color"</em>, <em>"red"</em>);\r
 165         }\r
 166     }\r
 167 });</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : Object<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)\r
 168     :\r
 169                                         Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).\r
 170 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>
 171 <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>)
 172 by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers.</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>(&nbsp;<code>String&nbsp;eventName</code>&nbsp;)\r
 173     :\r
 174                                         Boolean<div class="mdesc"><div class="short">Checks to see if this object has any listeners for a specified event</div><div class="long">Checks to see if this object has any listeners for a specified event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-isConnected"></a><b><a href="source/Provider.html#method-Ext.direct.Provider-isConnected">isConnected</a></b>()\r
 175     :\r
 176                                         void<div class="mdesc"><div class="short">Returns whether or not the server-side is currently connected.&#13;\r
 177 Abstract method for subclasses to implement.</div><div class="long">Returns whether or not the server-side is currently connected.\r
 178 Abstract method for subclasses to implement.<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.direct.Provider.html#isConnected" ext:member="#isConnected" ext:cls="Ext.direct.Provider">Provider</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Function&nbsp;handler</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;options</code>]</span>&nbsp;)\r
 179     :\r
 180                                         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.
 181 <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>()\r
 182     :\r
 183                                         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;)\r
 184     :\r
 185                                         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;)\r
 186     :\r
 187                                         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>()\r
 188     :\r
 189                                         void<div class="mdesc"><div class="short">Resume firing events. (see suspendEvents)\r
 190 If events were suspended using the queueSuspended parameter, then all\r
 191 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>)
 192 If events were suspended using the <tt><b>queueSuspended</b></tt> parameter, then all
 193 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;)\r
 194     :\r
 195                                         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
 196 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;)\r
 197     :\r
 198                                         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.direct.JsonProvider-events"></a><h2>Public Events</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Event</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.direct.Provider-connect"></a><b><a href="source/Provider.html#event-Ext.direct.Provider-connect">connect</a></b> :\r
 199                                       (&nbsp;<code>Ext.direct.Provider&nbsp;provider</code>&nbsp;)\r
 200     <div class="mdesc"><div class="short">Fires when the Provider connects to the server-side</div><div class="long">Fires when the Provider connects to the server-side<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>provider</code> : Ext.direct.Provider<div class="sub-desc">The <a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider">Provider</a>.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#connect" ext:member="#connect" ext:cls="Ext.direct.Provider">Provider</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.direct.Provider-data"></a><b><a href="source/Provider.html#event-Ext.direct.Provider-data">data</a></b> :\r
 201                                       (&nbsp;<code>Ext.direct.Provider&nbsp;provider</code>,&nbsp;<code>event&nbsp;e</code>&nbsp;)\r
 202     <div class="mdesc"><div class="short">Fires when the Provider receives data from the server-side</div><div class="long">Fires when the Provider receives data from the server-side<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>provider</code> : Ext.direct.Provider<div class="sub-desc">The <a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider">Provider</a>.</div></li><li><code>e</code> : event<div class="sub-desc">The <a href="output/Ext.Direct.html#Ext.Direct-eventTypes" ext:member="eventTypes" ext:cls="Ext.Direct">Ext.Direct.Event type</a> that occurred.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#data" ext:member="#data" ext:cls="Ext.direct.Provider">Provider</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.direct.Provider-disconnect"></a><b><a href="source/Provider.html#event-Ext.direct.Provider-disconnect">disconnect</a></b> :\r
 203                                       (&nbsp;<code>Ext.direct.Provider&nbsp;provider</code>&nbsp;)\r
 204     <div class="mdesc"><div class="short">Fires when the Provider disconnects from the server-side</div><div class="long">Fires when the Provider disconnects from the server-side<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>provider</code> : Ext.direct.Provider<div class="sub-desc">The <a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider">Provider</a>.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#disconnect" ext:member="#disconnect" ext:cls="Ext.direct.Provider">Provider</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.direct.Provider-exception"></a><b><a href="source/Provider.html#event-Ext.direct.Provider-exception">exception</a></b> :\r
 205                                       ()\r
 206     <div class="mdesc"><div class="short">Fires when the Provider receives an exception from the server-side</div><div class="long">Fires when the Provider receives an exception from the server-side<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li>None.</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.direct.Provider.html#exception" ext:member="#exception" ext:cls="Ext.direct.Provider">Provider</a></td></tr></tbody></table></div>