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Phraseanet/www/include/jslibs/yui2.8/docs/YAHOO.util.Subscriber.html
2011-02-16 16:09:48 +01:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#">
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<title>API: event YAHOO.util.Subscriber (YUI Library)</title>
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<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
<h3>Event Utility&nbsp; <span class="subtitle">2.8.2r1</span></h3>
<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
&gt; <a href="./module_event.html" title="event">event</a>
&gt; YAHOO.util.Subscriber
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<h2>
Class <b property="yui:name">YAHOO.util.Subscriber</b>
<span class="extends">
</span>
</h2>
<!-- class tree goes here -->
<div class="summary description" property="yui:description">
Stores the subscriber information to be used when the event fires.
</div>
<div class="section constructor details" rel="yui:constructor" resource="#constructor">
<h3 id="constructor">Constructor</h3>
<div class="content">
<div class="detail">
<strong property="yui:name">YAHOO.util.Subscriber</strong>
<code>
(
fn
,
obj
,
overrideContext
)
</code>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">fn</span>
&lt;<span property="yui:type">Function</span>&gt;
</code>
<span property="yui:description"> The function to execute</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">obj</span>
&lt;<span property="yui:type">Object</span>&gt;
</code>
<span property="yui:description"> An object to be passed along when the event fires</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">overrideContext</span>
&lt;<span property="yui:type">boolean</span>&gt;
</code>
<span property="yui:description"> If true, the obj passed in becomes the execution
context of the listener</span>
</dd>
</dl>
</div>
</div>
</div>
</div>
<div rel="yui:properties" resource="#properties">
<div class="section field details">
<h3 id="properties">Properties</h3>
<div class="content">
<div class="" rel="yui:property" resource="#property_fn">
<h4><a name="property_fn" property="yui:name">fn</a>
- <code><span property="yui:type">function</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The callback that will be execute when the event fires
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_obj">
<h4><a name="property_obj" property="yui:name">obj</a>
- <code><span property="yui:type">object</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
An optional custom object that will passed to the callback when
the event fires
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_overrideContext">
<h4><a name="property_overrideContext" property="yui:name">overrideContext</a>
- <code><span property="yui:type">boolean|object</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The default execution context for the event listener is defined when the
event is created (usually the object which contains the event).
By setting overrideContext to true, the execution context becomes the custom
object passed in by the subscriber. If overrideContext is an object, that
object becomes the context.
</div>
</div>
<hr />
</div>
</div>
</div>
</div>
<div rel="yui:methods" resource="#methods">
<div class="section method details">
<h3 id="methods">Methods</h3>
<div class="content">
<div class="" rel="yui:method" resource="#method_contains">
<h4>
<a name="method_contains">contains</a></h4>
<div class="detail" >
<code>
boolean
<strong property="yui:name">contains</strong>
(
fn
,
obj
)
</code>
<div class="description" property="yui:description">
Returns true if the fn and obj match this objects properties.
Used by the unsubscribe method to match the right subscriber.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">fn</span>
&lt;<span property="yui:type">Function</span>&gt;
</code>
<span property="yui:description"> the function to execute</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">obj</span>
&lt;<span property="yui:type">Object</span>&gt;
</code>
<span property="yui:description"> an object to be passed along when the event fires</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
boolean
</code></dt>
<dd property="yui:returnInfo">true if the supplied arguments match this
subscriber's signature.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getScope">
<h4>
<a name="method_getScope">getScope</a></h4>
<div class="detail" >
<code>
void
<strong property="yui:name">getScope</strong>
(
defaultScope
)
</code>
<div class="description" property="yui:description">
Returns the execution context for this listener. If overrideContext was set to true
the custom obj will be the context. If overrideContext is an object, that is the
context, otherwise the default context will be used.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">defaultScope</span>
&lt;<span property="yui:type">Object</span>&gt;
</code>
<span property="yui:description"> the context to use if this listener does not
override it.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_toString">
<h4>
<a name="method_toString">toString</a></h4>
<div class="detail" >
<code>
void
<strong property="yui:name">toString</strong>
(
)
</code>
<div class="description" property="yui:description">
</div>
<div class="description">
</div>
</div>
<hr />
</div>
</div>
</div>
</div>
<div rel="yui:events" resource="#events">
</div>
<div rel="yui:attributes" resource="#configattributes">
</div>
</div>
</div>
<div class="yui-b">
<div class="nav">
<div id="moduleList" class="module">
<h4>Modules</h4>
<ul class="content">
<li class=""><a href="module_animation.html" title="animation">animation</a></li>
<li class=""><a href="module_autocomplete.html" title="autocomplete">autocomplete</a></li>
<li class=""><a href="module_button.html" title="button">button</a></li>
<li class=""><a href="module_calendar.html" title="calendar">calendar</a></li>
<li class=""><a href="module_carousel.html" title="carousel">carousel</a></li>
<li class=""><a href="module_charts.html" title="charts">charts</a></li>
<li class=""><a href="module_colorpicker.html" title="colorpicker">colorpicker</a></li>
<li class=""><a href="module_connection.html" title="connection">connection</a></li>
<li class=""><a href="module_container.html" title="container">container</a></li>
<li class=""><a href="module_cookie.html" title="cookie">cookie</a></li>
<li class=""><a href="module_datasource.html" title="datasource">datasource</a></li>
<li class=""><a href="module_datatable.html" title="datatable">datatable</a></li>
<li class=""><a href="module_datemath.html" title="datemath">datemath</a></li>
<li class=""><a href="module_dom.html" title="dom">dom</a></li>
<li class=""><a href="module_dragdrop.html" title="dragdrop">dragdrop</a></li>
<li class=""><a href="module_editor.html" title="editor">editor</a></li>
<li class=""><a href="module_element.html" title="element">element</a></li>
<li class=""><a href="module_element-delegate.html" title="element-delegate">element-delegate</a></li>
<li class="selected"><a href="module_event.html" title="event">event</a></li>
<li class=""><a href="module_event-delegate.html" title="event-delegate">event-delegate</a></li>
<li class=""><a href="module_event-mouseenter.html" title="event-mouseenter">event-mouseenter</a></li>
<li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
<li class=""><a href="module_get.html" title="get">get</a></li>
<li class=""><a href="module_history.html" title="history">history</a></li>
<li class=""><a href="module_imagecropper.html" title="imagecropper">imagecropper</a></li>
<li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
<li class=""><a href="module_json.html" title="json">json</a></li>
<li class=""><a href="module_layout.html" title="layout">layout</a></li>
<li class=""><a href="module_logger.html" title="logger">logger</a></li>
<li class=""><a href="module_menu.html" title="menu">menu</a></li>
<li class=""><a href="module_paginator.html" title="paginator">paginator</a></li>
<li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
<li class=""><a href="module_profilerviewer.html" title="profilerviewer">profilerviewer</a></li>
<li class=""><a href="module_progressbar.html" title="progressbar">progressbar</a></li>
<li class=""><a href="module_resize.html" title="resize">resize</a></li>
<li class=""><a href="module_selector.html" title="selector">selector</a></li>
<li class=""><a href="module_slider.html" title="slider">slider</a></li>
<li class=""><a href="module_storage.html" title="Storage">Storage</a></li>
<li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
<li class=""><a href="module_swf.html" title="swf">swf</a></li>
<li class=""><a href="module_swfdetect.html" title="swfdetect">swfdetect</a></li>
<li class=""><a href="module_swfstore.html" title="swfstore">swfstore</a></li>
<li class=""><a href="module_tabview.html" title="tabview">tabview</a></li>
<li class=""><a href="module_treeview.html" title="treeview">treeview</a></li>
<li class=""><a href="module_uploader.html" title="uploader">uploader</a></li>
<li class=""><a href="module_yahoo.html" title="yahoo">yahoo</a></li>
<li class=""><a href="module_yuiloader.html" title="yuiloader">yuiloader</a></li>
<li class=""><a href="module_yuitest.html" title="yuitest">yuitest</a></li>
</ul>
</div>
<div id="classList" class="module">
<h4>Classes</h4>
<ul class="content">
<li class=""><a href="YAHOO.util.CustomEvent.html" title="YAHOO.util.CustomEvent">YAHOO.util.CustomEvent</a></li>
<li class=""><a href="YAHOO.util.Event.html" title="YAHOO.util.Event">YAHOO.util.Event</a></li>
<li class=""><a href="YAHOO.util.EventProvider.html" title="YAHOO.util.EventProvider">YAHOO.util.EventProvider</a></li>
<li class=""><a href="YAHOO.util.KeyListener.html" title="YAHOO.util.KeyListener">YAHOO.util.KeyListener</a></li>
<li class="selected"><a href="YAHOO.util.Subscriber.html" title="YAHOO.util.Subscriber">YAHOO.util.Subscriber</a></li>
</ul>
</div>
<div id="fileList" class="module">
<h4>Files</h4>
<ul class="content">
<li class=""><a href="CustomEvent.js.html" title="CustomEvent.js">CustomEvent.js</a></li>
<li class=""><a href="Event.js.html" title="Event.js">Event.js</a></li>
<li class=""><a href="EventProvider.js.html" title="EventProvider.js">EventProvider.js</a></li>
<li class=""><a href="KeyListener.js.html" title="KeyListener.js">KeyListener.js</a></li>
</ul>
</div>
<div id="propertyList" class="module">
<h4>Properties</h4>
<ul class="content">
<li class=""><a href="#property_fn" title="fn">fn</a></li>
<li class=""><a href="#property_obj" title="obj">obj</a></li>
<li class=""><a href="#property_overrideContext" title="overrideContext">overrideContext</a></li>
</ul>
</div>
<div id="methodsList" class="module">
<h4>Methods</h4>
<ul class="content">
<li class=""><a href="#method_contains" title="contains">contains</a></li>
<li class=""><a href="#method_getScope" title="getScope">getScope</a></li>
<li class=""><a href="#method_toString" title="toString">toString</a></li>
</ul>
</div>
</div>
</div>
</div>
<div id="ft">
<hr />
Copyright &copy; 2010 Yahoo! Inc. All rights reserved.
</div>
</div>
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</script>
</body>
</html>