-<div
class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.util.Observable-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a> <a class="inner-link" href="#Ext.util.Observable-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a> <a class="inner-link" href="#Ext.util.Observable-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a> <a class="inner-link" href="#Ext.util.Observable-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a> <a class="bookmark" href="../docs/?class=Ext.util.Observable"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> </div><h1>Class <a href="source/Observable.html#cls-Ext.util.Observable">Ext.util.Observable</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.util</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">Observable.js, Observable-more.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/Observable.html#cls-Ext.util.Observable">Observable</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.Component.html" ext:cls="Ext.Component">Component</a>, <a href="output/Ext.Direct.html" ext:cls="Ext.Direct">Direct</a>, <a href="output/Ext.History.html" ext:cls="Ext.History">History</a>, <a href="output/Ext.ListView.ColumnResizer.html" ext:cls="Ext.ListView.ColumnResizer">ListView.ColumnResizer</a>, <a href="output/Ext.ListView.Sorter.html" ext:cls="Ext.ListView.Sorter">ListView.Sorter</a>, <a href="output/Ext.Resizable.html" ext:cls="Ext.Resizable">Resizable</a>, <a href="output/Ext.SplitBar.html" ext:cls="Ext.SplitBar">SplitBar</a>, <a href="output/Ext.Updater.html" ext:cls="Ext.Updater">Updater</a>, <a href="output/Ext.data.Connection.html" ext:cls="Ext.data.Connection">Connection</a>, <a href="output/Ext.data.DataProxy.html" ext:cls="Ext.data.DataProxy">DataProxy</a>, <a href="output/Ext.data.Node.html" ext:cls="Ext.data.Node">Node</a>, <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Store</a>, <a href="output/Ext.data.Tree.html" ext:cls="Ext.data.Tree">Tree</a>, <a href="output/Ext.dd.DragTracker.html" ext:cls="Ext.dd.DragTracker">DragTracker</a>, <a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider">Provider</a>, <a href="output/Ext.form.BasicForm.html" ext:cls="Ext.form.BasicForm">BasicForm</a>, <a href="output/Ext.grid.AbstractSelectionModel.html" ext:cls="Ext.grid.AbstractSelectionModel">AbstractSelectionModel</a>, <a href="output/Ext.grid.ColumnModel.html" ext:cls="Ext.grid.ColumnModel">ColumnModel</a>, <a href="output/Ext.grid.GridView.html" ext:cls="Ext.grid.GridView">GridView</a>, <a href="output/Ext.grid.PropertyStore.html" ext:cls="Ext.grid.PropertyStore">PropertyStore</a>, <a href="output/Ext.tree.DefaultSelectionModel.html" ext:cls="Ext.tree.DefaultSelectionModel">DefaultSelectionModel</a>, <a href="output/Ext.tree.MultiSelectionModel.html" ext:cls="Ext.tree.MultiSelectionModel">MultiSelectionModel</a>, <a href="output/Ext.tree.TreeLoader.html" ext:cls="Ext.tree.TreeLoader">TreeLoader</a>, <a href="output/Ext.util.ClickRepeater.html" ext:cls="Ext.util.ClickRepeater">ClickRepeater</a>, <a href="output/Ext.util.MixedCollection.html" ext:cls="Ext.util.MixedCollection">MixedCollection</a>, <a href="output/Ext.ux.Spinner.html" ext:cls="Ext.ux.Spinner">Spinner</a>, <a href="output/Ext.ux.grid.GridFilters.html" ext:cls="Ext.ux.grid.GridFilters">GridFilters</a>, <a href="output/Ext.ux.grid.GroupSummary.html" ext:cls="Ext.ux.grid.GroupSummary">GroupSummary</a>, <a href="output/Ext.ux.grid.RowExpander.html" ext:cls="Ext.ux.grid.RowExpander">RowExpander</a>, <a href="output/Ext.ux.grid.filter.Filter.html" ext:cls="Ext.ux.grid.filter.Filter">Filter</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr><tr><td class="hd-info"></td></tr></table><div class="description">Base class that provides a common interface for publishing events. Subclasses are expected to
+<div
xmlns:ext="http://www.extjs.com" class="body-wrap"><h1>Class <a href="source/Observable.html#cls-Ext.util.Observable">Ext.util.Observable</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.util</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">Observable.js, Observable-more.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/Observable.html#cls-Ext.util.Observable">Observable</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.Component.html" ext:cls="Ext.Component">Component</a>, <a href="output/Ext.Direct.html" ext:cls="Ext.Direct">Direct</a>, <a href="output/Ext.History.html" ext:cls="Ext.History">History</a>, <a href="output/Ext.Resizable.html" ext:cls="Ext.Resizable">Resizable</a>, <a href="output/Ext.SplitBar.html" ext:cls="Ext.SplitBar">SplitBar</a>, <a href="output/Ext.Updater.html" ext:cls="Ext.Updater">Updater</a>, <a href="output/Ext.data.Connection.html" ext:cls="Ext.data.Connection">Connection</a>, <a href="output/Ext.data.DataProxy.html" ext:cls="Ext.data.DataProxy">DataProxy</a>, <a href="output/Ext.data.Node.html" ext:cls="Ext.data.Node">Node</a>, <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Store</a>, <a href="output/Ext.data.Tree.html" ext:cls="Ext.data.Tree">Tree</a>, <a href="output/Ext.dd.DragTracker.html" ext:cls="Ext.dd.DragTracker">DragTracker</a>, <a href="output/Ext.direct.Provider.html" ext:cls="Ext.direct.Provider">Provider</a>, <a href="output/Ext.form.BasicForm.html" ext:cls="Ext.form.BasicForm">BasicForm</a>, <a href="output/Ext.grid.AbstractSelectionModel.html" ext:cls="Ext.grid.AbstractSelectionModel">AbstractSelectionModel</a>, <a href="output/Ext.grid.ColumnModel.html" ext:cls="Ext.grid.ColumnModel">ColumnModel</a>, <a href="output/Ext.grid.GridView.html" ext:cls="Ext.grid.GridView">GridView</a>, <a href="output/Ext.grid.PropertyStore.html" ext:cls="Ext.grid.PropertyStore">PropertyStore</a>, <a href="output/Ext.list.ColumnResizer.html" ext:cls="Ext.list.ColumnResizer">ColumnResizer</a>, <a href="output/Ext.list.Sorter.html" ext:cls="Ext.list.Sorter">Sorter</a>, <a href="output/Ext.tree.DefaultSelectionModel.html" ext:cls="Ext.tree.DefaultSelectionModel">DefaultSelectionModel</a>, <a href="output/Ext.tree.MultiSelectionModel.html" ext:cls="Ext.tree.MultiSelectionModel">MultiSelectionModel</a>, <a href="output/Ext.tree.TreeLoader.html" ext:cls="Ext.tree.TreeLoader">TreeLoader</a>, <a href="output/Ext.util.ClickRepeater.html" ext:cls="Ext.util.ClickRepeater">ClickRepeater</a>, <a href="output/Ext.util.MixedCollection.html" ext:cls="Ext.util.MixedCollection">MixedCollection</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description">Base class that provides a common interface for publishing events. Subclasses are expected to
to have a property "events" with all the events defined, and, optionally, a property "listeners"
with configured listeners defined.<br>
For example:
to the supplied function with the event name +...</div><div class="long"><static> Starts capture on the specified Observable. All events will be passed\r
to the supplied function with the event name + standard signature of the event\r
<b>before</b> the event is fired. If the supplied function returns false,\r
-the event will not fire.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Observable<div class="sub-desc">The Observable to capture</div></li><li><code>fn</code> : Function<div class="sub-desc">The function to call</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the fn</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-Observable.observeClass"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-Observable.observeClass">Observable.observeClass</a></b>( <code>Function c</code> )\r
+the event will not fire.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Observable<div class="sub-desc">The Observable to capture events from.</div></li><li><code>fn</code> : Function<div class="sub-desc">The function to call when an event is fired.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to the Observable firing the event.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-Observable.observeClass"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-Observable.observeClass">Observable.observeClass</a></b>( <code>Function c</code>, <code>Object listeners</code> )\r
:\r
void<div class="mdesc"><div class="short"><static> Sets observability on the passed class constructor. \r
This makes any event fired on any instance of the passed class a...</div><div class="long"><static> Sets observability on the passed class constructor.<p>\r
the <i>class</i> allowing for central handling of events on many instances at once.</p>\r
<p>Usage:</p><pre><code>Ext.util.Observable.observeClass(Ext.data.Connection);\r
Ext.data.Connection.on(<em>'beforerequest'</em>, <b>function</b>(con, options) {\r
- console.log(<em>"Ajax request made to "</em> + options.url);\r
-});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>c</code> : Function<div class="sub-desc">The class constructor to make observable.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-Observable.releaseCapture"></a><b><a href="source/Observable.html#method-Ext.util.Observable-Observable.releaseCapture">Observable.releaseCapture</a></b>( <code>Observable o</code> )\r
+ console.log(<em>'Ajax request made to '</em> + options.url);\r
+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>c</code> : Function<div class="sub-desc">The class constructor to make observable.</div></li><
li><code>listeners</code> : Object<div class="sub-desc">An object containing a series of listeners to add. See <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a>.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-Observable.releaseCapture"></a><b><a href="source/Observable.html#method-Ext.util.Observable-Observable.releaseCapture">Observable.releaseCapture</a></b>( <code>Observable o</code> )
\r :\r
void<div class="mdesc"><div class="short"><static> Removes all added captures from the Observable.</div><div class="long"><static> Removes <b>all</b> added captures from the Observable.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Observable<div class="sub-desc">The Observable to release</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </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>( <code>Object|String o</code>, <code>string Optional.</code> )\r
:\r
<em>'mouseover'</em> : this.onMouseOver,
<em>'mouseout'</em> : this.onMouseOut,
scope: this
-});</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </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>( <code>Object events</code> )\r
+});</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </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>( <code>String/Array events</code> )\r
:\r
void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling \r
this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling\r
implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to\r
access the required target more quickly.</p>\r
<p>Example:</p><pre><code>Ext.override(Ext.form.Field, {\r
-<i>// Add functionality to Field<em>'s initComponent to enable the change event to bubble\r</i>
- initComponent: Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {\r
- this.enableBubble('</em>change<em>');\r
+ <i>// Add functionality to Field's initComponent to enable the change event to bubble\r</i>
+ initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {\r
+ this.enableBubble(<em>'change'</em>);\r
}),\r
\r
-<i>// We know that we want Field'</em>s events to bubble directly to the FormPanel.\r</i>
- getBubbleTarget: <b>function</b>() {\r
+ <i>// We know that we want Field's events to bubble directly to the FormPanel.\r</i>
+ getBubbleTarget : <b>function</b>() {\r
<b>if</b> (!this.formPanel) {\r
this.formPanel = this.findParentByType(<em>'form'</em>);\r
}\r
}],\r
listeners: {\r
change: <b>function</b>() {\r
-<i>// Title goes red <b>if</b> form has been modified.\r</i>
- myForm.header.setStyle(<em>"color"</em>, <em>"red"</em>);\r
+ <i>// Title goes red <b>if</b> form has been modified.\r</i>
+ myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);\r
}\r
}\r
-});</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">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </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>( <code>String eventName</code>, <code>Object... args</code> )
\r+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> :
String/Array<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Observable</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </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>( <code>String eventName</code>, <code>Object... args</code> )
\r :\r
Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).\r
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>
git.ithinksw.org / extjs.git / blobdiff