<div xmlns:ext="http://www.extjs.com" class="body-wrap"><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> <img src="resources/elbow-end.gif">Updater</pre></div><h1>Class <a href="source/UpdateManager.html#cls-Ext.Updater">Ext.Updater</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">UpdateManager.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/UpdateManager.html#cls-Ext.Updater">Updater</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">Provides AJAX-style update capabilities for Element objects. Updater can be used to <a href="output/Ext.Updater.html#Ext.Updater-update" ext:member="update" ext:cls="Ext.Updater">update</a>
|
an <a href="output/Ext.Element.html" ext:cls="Ext.Element">Ext.Element</a> once, or you can use <a href="output/Ext.Updater.html#Ext.Updater-startAutoRefresh" ext:member="startAutoRefresh" ext:cls="Ext.Updater">startAutoRefresh</a> to set up an auto-updating
|
<a href="output/Ext.Element.html" ext:cls="Ext.Element">Element</a> on a specific interval.<br><br>
|
Usage:<br>
|
<pre><code><b>var</b> el = Ext.get(<em>"foo"</em>); <i>// Get Ext.Element object</i>
|
<b>var</b> mgr = el.getUpdater();
|
mgr.update({
|
url: <em>"http:<i>//myserver.com/index.php"</em>,</i>
|
params: {
|
param1: <em>"foo"</em>,
|
param2: <em>"bar"</em>
|
}
|
});
|
...
|
mgr.formUpdate(<em>"myFormId"</em>, <em>"http:<i>//myserver.com/index.php"</em>);</i>
|
<br>
|
<i>// or directly (returns the same Updater instance)</i>
|
<b>var</b> mgr = <b>new</b> Ext.Updater(<em>"myElementId"</em>);
|
mgr.startAutoRefresh(60, <em>"http:<i>//myserver.com/index.php"</em>);</i>
|
mgr.on(<em>"update"</em>, myFcnNeedsToKnow);
|
<br>
|
<i>// short handed call directly from the element object</i>
|
Ext.get(<em>"foo"</em>).load({
|
url: <em>"bar.php"</em>,
|
scripts: true,
|
params: <em>"param1=foo&param2=bar"</em>,
|
text: <em>"Loading Foo..."</em>
|
});</code></pre></div><div class="hr"></div><a id="Ext.Updater-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"> </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
|
object during initialization. This should ...</div><div class="long"><p>A config object containing one or more event handlers to be added to this
|
object during initialization. This should be a valid listeners config object as specified in the
|
<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>
|
<br><p><b><u>DOM events from ExtJs <a href="output/Ext.Component.html" ext:cls="Ext.Component">Components</a></u></b></p>
|
<br><p>While <i>some</i> ExtJs Component classes export selected DOM events (e.g. "click", "mouseover" etc), this
|
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
|
<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
|
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
|
has been rendered. A plugin can simplify this step:<pre><code><i>// Plugin is configured <b>with</b> a listeners config object.</i>
|
<i>// The Component is appended to the argument list of all handler functions.</i>
|
Ext.DomObserver = Ext.extend(Object, {
|
constructor: <b>function</b>(config) {
|
this.listeners = config.listeners ? config.listeners : config;
|
},
|
|
<i>// Component passes itself into plugin's init method</i>
|
init: <b>function</b>(c) {
|
<b>var</b> p, l = this.listeners;
|
<b>for</b> (p <b>in</b> l) {
|
<b>if</b> (Ext.isFunction(l[p])) {
|
l[p] = this.createHandler(l[p], c);
|
} <b>else</b> {
|
l[p].fn = this.createHandler(l[p].fn, c);
|
}
|
}
|
|
<i>// Add the listeners to the Element immediately following the render call</i>
|
c.render = c.render.<a href="output/Function.html#Function-createSequence" ext:member="createSequence" ext:cls="Function">createSequence</a>(<b>function</b>() {
|
<b>var</b> e = c.getEl();
|
<b>if</b> (e) {
|
e.on(l);
|
}
|
});
|
},
|
|
createHandler: <b>function</b>(fn, c) {
|
<b>return</b> <b>function</b>(e) {
|
fn.call(this, e, c);
|
};
|
}
|
});
|
|
<b>var</b> combo = <b>new</b> Ext.form.ComboBox({
|
|
<i>// Collapse combo when its element is clicked on</i>
|
plugins: [ <b>new</b> Ext.DomObserver({
|
click: <b>function</b>(evt, comp) {
|
comp.collapse();
|
}
|
})],
|
store: myStore,
|
typeAhead: true,
|
mode: <em>'local'</em>,
|
triggerAction: <em>'all'</em>
|
});</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.Updater-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"> </a></td><td class="sig"><a id="Ext.Updater-defaultUrl"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-defaultUrl">defaultUrl</a></b> : String<div class="mdesc">Cached url to use for refreshes. Overwritten every time update() is called unless "discardUrl" param is set to true.</div></td><td class="msource">Updater</td></tr><tr class="property-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-disableCaching"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-disableCaching">disableCaching</a></b> : Boolean<div class="mdesc"><div class="short">Whether to append unique parameter on get request to disable caching (defaults to Ext.Updater.defaults.disableCaching...</div><div class="long">Whether to append unique parameter on get request to disable caching (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-disableCaching" ext:member="disableCaching" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.disableCaching</a>).</div></div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-el"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-el">el</a></b> : Ext.Element<div class="mdesc">The Element object</div></td><td class="msource">Updater</td></tr><tr class="property-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-formUpdateDelegate"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-formUpdateDelegate">formUpdateDelegate</a></b> : Function<div class="mdesc"><div class="short">Delegate for formUpdate() prebound to "this", use myUpdater.formUpdateDelegate.createCallback(arg1, arg2) to bind arg...</div><div class="long">Delegate for formUpdate() prebound to "this", use myUpdater.formUpdateDelegate.createCallback(arg1, arg2) to bind arguments</div></div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-indicatorText"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-indicatorText">indicatorText</a></b> : String<div class="mdesc">Text for loading indicator (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-indicatorText" ext:member="indicatorText" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.indicatorText</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-loadScripts"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-loadScripts">loadScripts</a></b> : Boolean<div class="mdesc">True to process scripts in the output (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-loadScripts" ext:member="loadScripts" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.loadScripts</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-refreshDelegate"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-refreshDelegate">refreshDelegate</a></b> : Function<div class="mdesc">Delegate for refresh() prebound to "this", use myUpdater.refreshDelegate.createCallback(arg1, arg2) to bind arguments</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-renderer"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-renderer">renderer</a></b> : Object<div class="mdesc">The renderer for this Updater (defaults to <a href="output/Ext.Updater.BasicRenderer.html" ext:cls="Ext.Updater.BasicRenderer">Ext.Updater.BasicRenderer</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-showLoadIndicator"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-showLoadIndicator">showLoadIndicator</a></b> : String<div class="mdesc">Whether to show indicatorText when loading (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-showLoadIndicator" ext:member="showLoadIndicator" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.showLoadIndicator</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-sslBlankUrl"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-sslBlankUrl">sslBlankUrl</a></b> : String<div class="mdesc">Blank page URL to use with SSL file uploads (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-sslBlankUrl" ext:member="sslBlankUrl" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.sslBlankUrl</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-timeout"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-timeout">timeout</a></b> : Number<div class="mdesc">Timeout for requests or form posts in seconds (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-timeout" ext:member="timeout" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.timeout</a>).</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-transaction"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-transaction">transaction</a></b> : Object<div class="mdesc">Transaction object of the current executing transaction, or null if there is no active transaction.</div></td><td class="msource">Updater</td></tr><tr class="property-row "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-updateDelegate"></a><b><a href="source/UpdateManager.html#prop-Ext.Updater-updateDelegate">updateDelegate</a></b> : Function<div class="mdesc">Delegate for update() prebound to "this", use myUpdater.updateDelegate.createCallback(arg1, arg2) to bind arguments</div></td><td class="msource">Updater</td></tr></tbody></table><a id="Ext.Updater-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"> </a></td><td class="sig"><a id="Ext.Updater-Updater"></a><b><a href="source/UpdateManager.html#cls-Ext.Updater">Updater</a></b>( <code>Mixed el</code>, <span title="Optional" class="optional">[<code>Boolean forceNew</code>]</span> )
|
<div class="mdesc"><div class="short">Create new Updater directly.</div><div class="long">Create new Updater directly.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : Mixed<div class="sub-desc">The element to update</div></li><li><code>forceNew</code> : Boolean<div class="sub-desc">(optional) By default the constructor checks to see if the passed element already
|
has an Updater and if it does it returns the same instance. This will skip that check (useful for extending this class).</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-Updater.updateElement"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-Updater.updateElement">Updater.updateElement</a></b>( <code>Mixed el</code>, <code>String url</code>, <span title="Optional" class="optional">[<code>String/Object params</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
|
:
|
void<div class="mdesc"><div class="short"><static> Static convenience method. This method is deprecated in favor of el.load({url:'foo.php', ...}).
|
Usage:
|
Ext.Updater.up...</div><div class="long"><static> Static convenience method. <b>This method is deprecated in favor of el.load({url:'foo.php', ...})</b>.
|
Usage:
|
<pre><code>Ext.Updater.updateElement(<em>"my-div"</em>, <em>"stuff.php"</em>);</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : Mixed<div class="sub-desc">The element to update</div></li><li><code>url</code> : String<div class="sub-desc">The url</div></li><li><code>params</code> : String/Object<div class="sub-desc">(optional) Url encoded param string or an object of name/value pairs</div></li><li><code>options</code> : Object<div class="sub-desc">(optional) A config object with any of the Updater properties you want to set - for
|
example: {disableCaching:true, indicatorText: "Loading data..."}</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-abort"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-abort">abort</a></b>()
|
:
|
void<div class="mdesc"><div class="short">Aborts the currently executing transaction, if any.</div><div class="long">Aborts the currently executing transaction, if any.<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">Updater</td></tr><tr class="method-row expandable inherited"><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> )
|
:
|
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>
|
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.
|
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"> </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>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
|
:
|
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.
|
<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.
|
properties. This may contain any of the following properties:<ul>
|
<li><b>scope</b> : Object<div class="sub-desc">The scope (<code><b>this</b></code> reference) in which the handler function is executed.
|
<b>If omitted, defaults to the object which fired the event.</b></div></li>
|
<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>
|
<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>
|
<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
|
by the specified number of milliseconds. If the event fires again within that time, the original
|
handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li>
|
<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>
|
if the event was bubbled up from a child Observable.</div></li>
|
</ul><br>
|
<p>
|
<b>Combining Options</b><br>
|
Using the options argument, it is possible to combine different types of listeners:<br>
|
<br>
|
A delayed, one-time listener.
|
<pre><code>myDataView.on(<em>'click'</em>, this.onClick, this, {
|
single: true,
|
delay: 100
|
});</code></pre>
|
<p>
|
<b>Attaching multiple handlers in 1 call</b><br>
|
The method also allows for a single argument to be passed which is a config object containing properties
|
which specify multiple handlers.
|
<p>
|
<pre><code>myGridPanel.on({
|
<em>'click'</em> : {
|
fn: this.onClick,
|
scope: this,
|
delay: 100
|
},
|
<em>'mouseover'</em> : {
|
fn: this.onMouseOver,
|
scope: this
|
},
|
<em>'mouseout'</em> : {
|
fn: this.onMouseOut,
|
scope: this
|
}
|
});</code></pre>
|
<p>
|
Or a shorthand syntax:<br>
|
<pre><code>myGridPanel.on({
|
<em>'click'</em> : this.onClick,
|
<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"><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"> </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> )
|
:
|
void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling
|
this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling
|
<code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>
|
<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
|
implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to
|
access the required target more quickly.</p>
|
<p>Example:</p><pre><code>Ext.override(Ext.form.Field, {
|
<i>// Add functionality to Field's initComponent to enable the change event to bubble </i>
|
initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {
|
this.enableBubble(<em>'change'</em>);
|
}),
|
|
<i>// We know that we want Field's events to bubble directly to the FormPanel. </i>
|
getBubbleTarget : <b>function</b>() {
|
<b>if</b> (!this.formPanel) {
|
this.formPanel = this.findParentByType(<em>'form'</em>);
|
}
|
<b>return</b> this.formPanel;
|
}
|
});
|
|
<b>var</b> myForm = <b>new</b> Ext.formPanel({
|
title: <em>'User Details'</em>,
|
items: [{
|
...
|
}],
|
listeners: {
|
change: <b>function</b>() {
|
<i>// Title goes red <b>if</b> form has been modified. </i>
|
myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);
|
}
|
}
|
});</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"><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"> </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> )
|
:
|
Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
|
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>
|
<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>)
|
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"> </a></td><td class="sig"><a id="Ext.Updater-formUpdate"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-formUpdate">formUpdate</a></b>( <code>String/HTMLElement form</code>, <span title="Optional" class="optional">[<code>String url</code>]</span>, <span title="Optional" class="optional">[<code>Boolean reset</code>]</span>, <span title="Optional" class="optional">[<code>Function callback</code>]</span> )
|
:
|
void<div class="mdesc"><div class="short">Performs an asynchronous form post, updating this element with the response. If the form has the attribute
|
enctype="<...</div><div class="long"><p>Performs an asynchronous form post, updating this element with the response. If the form has the attribute
|
enctype="<a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form-data</a>", it assumes it's a file upload.
|
Uses this.sslBlankUrl for SSL file uploads to prevent IE security warning.</p>
|
<p>File uploads are not performed using normal "Ajax" techniques, that is they are <b>not</b>
|
performed using XMLHttpRequests. Instead the form is submitted in the standard manner with the
|
DOM <code><form></code> element temporarily modified to have its
|
<a href="http://www.w3.org/TR/REC-html40/present/frames.html#adef-target">target</a> set to refer
|
to a dynamically generated, hidden <code><iframe></code> which is inserted into the document
|
but removed after the return data has been gathered.</p>
|
<p>Be aware that file upload packets, sent with the content type <a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form-data</a>
|
and some server technologies (notably JEE) may require some custom processing in order to
|
retrieve parameter names and parameter values from the packet content.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>form</code> : String/HTMLElement<div class="sub-desc">The form Id or form element</div></li><li><code>url</code> : String<div class="sub-desc">(optional) The url to pass the form to. If omitted the action attribute on the form will be used.</div></li><li><code>reset</code> : Boolean<div class="sub-desc">(optional) Whether to try to reset the form after the update</div></li><li><code>callback</code> : Function<div class="sub-desc">(optional) Callback when transaction is complete. The following
|
parameters are passed:<ul>
|
<li><b>el</b> : Ext.Element<p class="sub-desc">The Element being updated.</p></li>
|
<li><b>success</b> : Boolean<p class="sub-desc">True for success, false for failure.</p></li>
|
<li><b>response</b> : XMLHttpRequest<p class="sub-desc">The XMLHttpRequest which processed the update.</p></li></ul></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-getDefaultRenderer"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-getDefaultRenderer">getDefaultRenderer</a></b>()
|
:
|
void<div class="mdesc"><div class="short">This is an overrideable method which returns a reference to a default
|
renderer class if none is specified when creati...</div><div class="long">This is an overrideable method which returns a reference to a default
|
renderer class if none is specified when creating the Ext.Updater.
|
Defaults to <a href="output/Ext.Updater.BasicRenderer.html" ext:cls="Ext.Updater.BasicRenderer">Ext.Updater.BasicRenderer</a><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">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-getEl"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-getEl">getEl</a></b>()
|
:
|
Ext.Element<div class="mdesc"><div class="short">Get the Element this Updater is bound to</div><div class="long">Get the Element this Updater is bound to<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Ext.Element</code><div class="sub-desc">The element</div></li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-getRenderer"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-getRenderer">getRenderer</a></b>()
|
:
|
Object<div class="mdesc"><div class="short">Returns the current content renderer for this Updater. See Ext.Updater.BasicRenderer.render for more details.</div><div class="long">Returns the current content renderer for this Updater. See <a href="output/Ext.Updater.BasicRenderer.html#Ext.Updater.BasicRenderer-render" ext:member="render" ext:cls="Ext.Updater.BasicRenderer">Ext.Updater.BasicRenderer.render</a> for more details.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc"></div></li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </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>( <code>String eventName</code> )
|
:
|
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"> </a></td><td class="sig"><a id="Ext.Updater-isAutoRefreshing"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-isAutoRefreshing">isAutoRefreshing</a></b>()
|
:
|
void<div class="mdesc"><div class="short">Returns true if the Updater is currently set to auto refresh its content (see startAutoRefresh), otherwise false.</div><div class="long">Returns true if the Updater is currently set to auto refresh its content (see <a href="output/Ext.Updater.html#Ext.Updater-startAutoRefresh" ext:member="startAutoRefresh" ext:cls="Ext.Updater">startAutoRefresh</a>), otherwise false.<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">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-isUpdating"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-isUpdating">isUpdating</a></b>()
|
:
|
Boolean<div class="mdesc"><div class="short">Returns true if an update is in progress, otherwise false.</div><div class="long">Returns true if an update is in progress, otherwise false.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc"></div></li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </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>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
|
:
|
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.
|
<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"> </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>()
|
:
|
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 "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-refresh"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-refresh">refresh</a></b>( <span title="Optional" class="optional">[<code>Function callback</code>]</span> )
|
:
|
void<div class="mdesc"><div class="short">Refresh the element with the last used url or defaultUrl. If there is no url, it returns immediately</div><div class="long">Refresh the element with the last used url or defaultUrl. If there is no url, it returns immediately<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>callback</code> : Function<div class="sub-desc">(optional) Callback when transaction is complete - called with signature (oElement, bSuccess)</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </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>( <code>Object o</code>, <code>Array events</code> )
|
:
|
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"> </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>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )
|
:
|
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"> </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>()
|
:
|
void<div class="mdesc"><div class="short">Resume firing events. (see suspendEvents)
|
If events were suspended using the queueSuspended parameter, then all
|
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>)
|
If events were suspended using the <tt><b>queueSuspended</b></tt> parameter, then all
|
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 "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-setDefaultUrl"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-setDefaultUrl">setDefaultUrl</a></b>( <code>String/Function defaultUrl</code> )
|
:
|
void<div class="mdesc"><div class="short">Sets the default URL used for updates.</div><div class="long">Sets the default URL used for updates.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>defaultUrl</code> : String/Function<div class="sub-desc">The url or a function to call to get the url</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-setRenderer"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-setRenderer">setRenderer</a></b>( <code>Object renderer</code> )
|
:
|
void<div class="mdesc"><div class="short">Sets the content renderer for this Updater. See Ext.Updater.BasicRenderer.render for more details.</div><div class="long">Sets the content renderer for this Updater. See <a href="output/Ext.Updater.BasicRenderer.html#Ext.Updater.BasicRenderer-render" ext:member="render" ext:cls="Ext.Updater.BasicRenderer">Ext.Updater.BasicRenderer.render</a> for more details.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>renderer</code> : Object<div class="sub-desc">The object implementing the render() method</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-showLoading"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-showLoading">showLoading</a></b>()
|
:
|
void<div class="mdesc"><div class="short">Display the element's "loading" state. By default, the element is updated with indicatorText. This
|
method may be over...</div><div class="long">Display the element's "loading" state. By default, the element is updated with <a href="output/Ext.Updater.html#Ext.Updater-indicatorText" ext:member="indicatorText" ext:cls="Ext.Updater">indicatorText</a>. This
|
method may be overridden to perform a custom action while this Updater is actively updating its contents.<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">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-startAutoRefresh"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-startAutoRefresh">startAutoRefresh</a></b>( <code>Number interval</code>, <span title="Optional" class="optional">[<code>String/Object/Function url</code>]</span>, <span title="Optional" class="optional">[<code>String/Object params</code>]</span>, <span title="Optional" class="optional">[<code>Function callback</code>]</span>, <span title="Optional" class="optional">[<code>Boolean refreshNow</code>]</span> )
|
:
|
void<div class="mdesc"><div class="short">Set this element to auto refresh. Can be canceled by calling stopAutoRefresh.</div><div class="long">Set this element to auto refresh. Can be canceled by calling <a href="output/Ext.Updater.html#Ext.Updater-stopAutoRefresh" ext:member="stopAutoRefresh" ext:cls="Ext.Updater">stopAutoRefresh</a>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>interval</code> : Number<div class="sub-desc">How often to update (in seconds).</div></li><li><code>url</code> : String/Object/Function<div class="sub-desc">(optional) The url for this request, a config object in the same format
|
supported by <a href="output/Ext.Updater.html#Ext.Updater-load" ext:member="load" ext:cls="Ext.Updater">load</a>, or a function to call to get the url (defaults to the last used url). Note that while
|
the url used in a load call can be reused by this method, other load config options will not be reused and must be
|
sepcified as part of a config object passed as this paramter if needed.</div></li><li><code>params</code> : String/Object<div class="sub-desc">(optional) The parameters to pass as either a url encoded string
|
"¶m1=1¶m2=2" or as an object {param1: 1, param2: 2}</div></li><li><code>callback</code> : Function<div class="sub-desc">(optional) Callback when transaction is complete - called with signature (oElement, bSuccess)</div></li><li><code>refreshNow</code> : Boolean<div class="sub-desc">(optional) Whether to execute the refresh now, or wait the interval</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-stopAutoRefresh"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-stopAutoRefresh">stopAutoRefresh</a></b>()
|
:
|
void<div class="mdesc"><div class="short">Stop auto refresh on this element.</div><div class="long">Stop auto refresh on this element.<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">Updater</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </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>( <code>Boolean queueSuspended</code> )
|
:
|
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
|
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"> </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>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )
|
:
|
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><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-update"></a><b><a href="source/UpdateManager.html#method-Ext.Updater-update">update</a></b>( <code>Object options</code> )
|
:
|
void<div class="mdesc"><div class="short">Performs an asynchronous request, updating this element with the response.
|
If params are specified it uses POST, othe...</div><div class="long">Performs an <b>asynchronous</b> request, updating this element with the response.
|
If params are specified it uses POST, otherwise it uses GET.<br><br>
|
<b>Note:</b> Due to the asynchronous nature of remote server requests, the Element
|
will not have been fully updated when the function returns. To post-process the returned
|
data, use the callback option, or an <b><code>update</code></b> event handler.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>options</code> : Object<div class="sub-desc">A config object containing any of the following options:<ul>
|
<li>url : <b>String/Function</b><p class="sub-desc">The URL to request or a function which
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<i>returns</i> the URL (defaults to the value of <a href="output/Ext.Ajax.html#Ext.Ajax-url" ext:member="url" ext:cls="Ext.Ajax">Ext.Ajax.url</a> if not specified).</p></li>
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<li>method : <b>String</b><p class="sub-desc">The HTTP method to
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use. Defaults to POST if the <code>params</code> argument is present, otherwise GET.</p></li>
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<li>params : <b>String/Object/Function</b><p class="sub-desc">The
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parameters to pass to the server (defaults to none). These may be specified as a url-encoded
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string, or as an object containing properties which represent parameters,
|
or as a function, which returns such an object.</p></li>
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<li>scripts : <b>Boolean</b><p class="sub-desc">If <code>true</code>
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any <script> tags embedded in the response text will be extracted
|
and executed (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-loadScripts" ext:member="loadScripts" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.loadScripts</a>). If this option is specified,
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the callback will be called <i>after</i> the execution of the scripts.</p></li>
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<li>callback : <b>Function</b><p class="sub-desc">A function to
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be called when the response from the server arrives. The following
|
parameters are passed:<ul>
|
<li><b>el</b> : Ext.Element<p class="sub-desc">The Element being updated.</p></li>
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<li><b>success</b> : Boolean<p class="sub-desc">True for success, false for failure.</p></li>
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<li><b>response</b> : XMLHttpRequest<p class="sub-desc">The XMLHttpRequest which processed the update.</p></li>
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<li><b>options</b> : Object<p class="sub-desc">The config object passed to the update call.</p></li></ul>
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</p></li>
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<li>scope : <b>Object</b><p class="sub-desc">The scope in which
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to execute the callback (The callback's <code>this</code> reference.) If the
|
<code>params</code> argument is a function, this scope is used for that function also.</p></li>
|
<li>discardUrl : <b>Boolean</b><p class="sub-desc">By default, the URL of this request becomes
|
the default URL for this Updater object, and will be subsequently used in <a href="output/Ext.Updater.html#Ext.Updater-refresh" ext:member="refresh" ext:cls="Ext.Updater">refresh</a>
|
calls. To bypass this behavior, pass <code>discardUrl:true</code> (defaults to false).</p></li>
|
<li>timeout : <b>Number</b><p class="sub-desc">The number of seconds to wait for a response before
|
timing out (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-timeout" ext:member="timeout" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.timeout</a>).</p></li>
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<li>text : <b>String</b><p class="sub-desc">The text to use as the innerHTML of the
|
<a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-indicatorText" ext:member="indicatorText" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.indicatorText</a> div (defaults to 'Loading...'). To replace the entire div, not
|
just the text, override <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-indicatorText" ext:member="indicatorText" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.indicatorText</a> directly.</p></li>
|
<li>nocache : <b>Boolean</b><p class="sub-desc">Only needed for GET
|
requests, this option causes an extra, auto-generated parameter to be appended to the request
|
to defeat caching (defaults to <a href="output/Ext.Updater.defaults.html#Ext.Updater.defaults-disableCaching" ext:member="disableCaching" ext:cls="Ext.Updater.defaults">Ext.Updater.defaults.disableCaching</a>).</p></li></ul>
|
<p>
|
For example:
|
<pre><code>um.update({
|
url: <em>"your-url.php"</em>,
|
params: {param1: <em>"foo"</em>, param2: <em>"bar"</em>}, <i>// or a URL encoded string</i>
|
callback: yourFunction,
|
scope: yourObject, <i>//(optional scope)</i>
|
discardUrl: true,
|
nocache: true,
|
text: <em>"Loading..."</em>,
|
timeout: 60,
|
scripts: false <i>// Save time by avoiding RegExp execution.</i>
|
});</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">Updater</td></tr></tbody></table><a id="Ext.Updater-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 "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-beforeupdate"></a><b><a href="source/UpdateManager.html#event-Ext.Updater-beforeupdate">beforeupdate</a></b> :
|
( <code>Ext.Element el</code>, <code>String/Object/Function url</code>, <code>String/Object params</code> )
|
<div class="mdesc"><div class="short">Fired before an update is made, return false from your handler and the update is cancelled.</div><div class="long">Fired before an update is made, return false from your handler and the update is cancelled.<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>el</code> : Ext.Element<div class="sub-desc"></div></li><li><code>url</code> : String/Object/Function<div class="sub-desc"></div></li><li><code>params</code> : String/Object<div class="sub-desc"></div></li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-failure"></a><b><a href="source/UpdateManager.html#event-Ext.Updater-failure">failure</a></b> :
|
( <code>Ext.Element el</code>, <code>Object oResponseObject</code> )
|
<div class="mdesc"><div class="short">Fired on update failure.</div><div class="long">Fired on update failure.<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>el</code> : Ext.Element<div class="sub-desc"></div></li><li><code>oResponseObject</code> : Object<div class="sub-desc">The response Object</div></li></ul></div></div></div></td><td class="msource">Updater</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.Updater-update"></a><b><a href="source/UpdateManager.html#event-Ext.Updater-update">update</a></b> :
|
( <code>Ext.Element el</code>, <code>Object oResponseObject</code> )
|
<div class="mdesc"><div class="short">Fired after successful update is made.</div><div class="long">Fired after successful update is made.<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>el</code> : Ext.Element<div class="sub-desc"></div></li><li><code>oResponseObject</code> : Object<div class="sub-desc">The response Object</div></li></ul></div></div></div></td><td class="msource">Updater</td></tr></tbody></table></div>
|
