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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>YUI Library Examples: Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<link rel="stylesheet" type="text/css" href="../../assets/yui.css" >
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<style>
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/*Supplemental CSS for the YUI distribution*/
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#custom-doc { width: 95%; min-width: 950px; }
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#pagetitle {background-image: url(../../assets/bg_hd.gif);}
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/* #pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}*/
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</style>
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<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
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<link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" />
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<script type="text/javascript" src="../../build/yui/yui-min.js"></script>
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<style type="text/css">
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.yui-checkboxes-loading #checkboxes {
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display: none;
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}
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</style>
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<script type="text/javascript">
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// Hide the checkboxes if JavaScript is enabled to prevent
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// the user from seeing a flash of unstyled content while
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// the JavaScript for the checkboxes is being loaded.
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document.documentElement.className = "yui-checkboxes-loading";
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</script>
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</head>
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<body id="yahoo-com" class=" yui-skin-sam">
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<div id="custom-doc" class="yui-t2">
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<div id="hd">
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<div id="ygunav">
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<p>
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<em>
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<a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i>
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</em>
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</p>
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<form action="http://search.yahoo.com/search" id="sitesearchform">
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<input name="vs" type="hidden" value="developer.yahoo.com">
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<input name="vs" type="hidden" value="yuiblog.com">
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<div id="sitesearch">
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<label for="searchinput">Site Search (YDN & YUIBlog): </label>
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<input type="text" id="searchinput" name="p">
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<input type="submit" value="Search" id="searchsubmit" class="ygbt">
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</div>
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</form>
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</div>
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<div id="ygma"><a href="../../"><img src="../../assets/logo.gif" border="0" width="200" height="93"></a></div>
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<div id="pagetitle"><h1>YUI Library Examples: Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</h1></div>
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</div>
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<div id="bd">
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<div id="yui-main">
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<div class="yui-b">
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<div class="yui-ge">
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<div class="yui-u first example" id="main">
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<h2>Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</h2>
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<div id="example" class="promo">
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<div class="example-intro">
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<p>
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Using Progressive Enhancement to skin checkboxes with the help of the
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<a href="../../api/Loader.html">Loader</a>,
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<a href="../../api/module_classnamemanager.html">ClassNameManager Utility</a>,
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and the Event Utility's <code>focus</code> and <code>blur</code> events and the
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<code>delegate</code> method.
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</p> </div>
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<div class="module example-container ">
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<div class="hd exampleHd">
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<p class="newWindowButton yui-skin-sam">
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<a href="event-focus-blur_clean.html" target="_blank">View example in new window.</a>
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</p>
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</div> <div id="example-canvas" class="bd">
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<div id="checkboxes">
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<div>
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<label for="field-1">Field 1: </label>
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<span>
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<span>
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<input type="checkbox" id="field-1" name="field-1" value="1">
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</span>
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</span>
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</div>
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<div>
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<label for="field-2">Field 2: </label>
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<span>
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<span>
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<input type="checkbox" id="field-2" name="field-2" value="2">
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</span>
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</span>
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</div>
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<div>
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<label for="field-3">Field 3: </label>
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<span>
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<span>
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<input type="checkbox" id="field-3" name="field-3" value="3">
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</span>
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</span>
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</div>
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</div>
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<script type="text/javascript">
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YUI({
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base: "../../build/",
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// Load the stylesheet for the skinned checkboxes via JavaScript,
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// since without JavaScript skinning of the checkboxes wouldn't
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// be possible.
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modules: {
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"checkboxcss": {
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type: "css",
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fullpath: "assets/checkbox.css"
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},
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"checkboxjs": {
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type: "js",
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fullpath: "assets/checkbox.js",
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requires: ["classnamemanager", "event-focus", "node-event-delegate", "checkboxcss"]
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}
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}
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}).use("checkboxjs", function(Y, result) {
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// The callback supplied to use() will be executed regardless of
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// whether the operation was successful or not. The second parameter
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// is a result object that has the status of the operation. We can
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// use this to try to recover from failures or timeouts.
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if (!result.success) {
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Y.log("Load failure: " + result.msg, "warn", "Example");
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// Show the checkboxes if the loader failed that way the original
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// unskinned checkboxes will be visible so that the user can
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// interact with them either way.
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document.documentElement.className = "";
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}
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});
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</script>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</div>
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</div>
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</div>
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<h3>Challenges</h3>
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<p>
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There are a few challenges when trying to skin an HTML checkbox using CSS. To start, most of the
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<a href="http://developer.yahoo.com/yui/articles/gbs/#a-grade">A-grade browsers</a> don't provide
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support for CSS properties like <code>border</code> and <code>background</code> on the
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<code><input type="checkbox"></code> element. Additionally, IE 6 and IE 7 (Quirks Mode)
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lack support for attribute selectors — necessary to style the <code>checked</code> and
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<code>disabled</code> states. Additionally, IE 6 and 7 only support the <code>:focus</code> and
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<code>:active</code> pseudo classes on <code><a></code> elements, both of which are needed
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to style a checkbox when it is focused or depressed.
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</p>
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<h3>Approach</h3>
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<p>
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Despite the shortcomings in CSS support, with a little extra markup and through the use of
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JavaScript it is possible to skin an <code><input type="checkbox"></code> element
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consistently well in all of the
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<a href="http://developer.yahoo.com/yui/articles/gbs/#a-grade">A-grade browsers</a>.
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</p>
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<h4>Markup</h4>
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<p>
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Since CSS support for the <code><input type="checkbox"></code> element is lacking, wrap
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<code><input type="checkbox"></code> elements in one or more inline elements to provide the
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necessary hooks for styling. In this example, each <code><input type="checkbox"></code>
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element is wrapped by two <code><span></code>s.
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</p>
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<div id="syntax1" class="yui-syntax-highlight"><div class="numbers"><pre class="html4strict" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="sc2"><<span class="kw2">span</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">span</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"checkbox"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></div></li><li class="li2"><div class="de2"><span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></div></li></ol></pre></div><div class="nonumbers"><pre class="html4strict" style="font-family:monospace;"><span class="sc2"><<span class="kw2">span</span>></span>
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<span class="sc2"><<span class="kw2">span</span>></span>
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<span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"checkbox"</span>></span>
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<span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span>
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<span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></pre></div><textarea id="syntax1-plain"><span>
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<span>
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<input type="checkbox">
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</span>
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</span></textarea></div>
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<h4>CSS</h4>
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<p>
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To style each checkbox, a class name of <code>yui-checkbox</code> will be applied to the
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outtermost <code><span></code> wrapping each <code><input type="checkbox"></code>
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element. An additional class will be used to represent the various states of each checkbox. The
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class name for each state will follow a consistent pattern: <code>yui-checkbox-[state]</code>.
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For this example, the following state-based class names will be used:
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</p>
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<dl>
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<dt><code>yui-checkbox-focus</code></dt>
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<dd>The checkbox has focus</dd>
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<dt><code>yui-checkbox-active</code></dt>
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<dd>The checkbox is active (pressed)</dd>
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<dt><code>yui-checkbox-checked</code></dt>
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<dd>The checkbox is checked</dd>
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</dl>
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<p>
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The styles for each checkbox comes together as follows:
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</p>
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<div id="syntax2" class="yui-syntax-highlight"><div class="numbers"><pre class="css" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> -moz-inline-stack<span class="sy0">;</span> <span class="coMULTI">/* Gecko < 1.9, since it doesn't support "inline-block" */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> inline-<span class="kw2">block</span><span class="sy0">;</span> <span class="coMULTI">/* IE, Opera and Webkit, and Gecko 1.9 */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">border</span><span class="sy0">:</span> <span class="kw2">inset</span> <span class="re3">2px</span> <span class="re0">#999</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#fff</span><span class="sy0">;</span> <span class="coMULTI">/* Need to set a background color or IE won't get mouse events */</span> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="coMULTI">/*</span></div></li><li class="li2"><div class="de2"><span class="coMULTI"> Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> they don't support use of negative margins without relative positioning. </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> */</span></div></li><li class="li1"><div class="de1"> _position<span class="sy0">:</span> <span class="kw2">relative</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> span <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">14px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">12px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">overflow</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="coMULTI">/* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">-5px</span> <span class="nu0">0</span> <span class="nu0">0</span> <span class="re3">1px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="coMULTI">/* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/</span></div></li><li class="li1"><div class="de1"> _margin<span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _position<span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _top<span class="sy0">:</span> <span class="re3">-5px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _left<span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="coMULTI">/* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */</span></div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> span<span class="re2">:after </span><span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">content</span><span class="sy0">:</span> <span class="st0">"."</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">visibility</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">line-height</span><span class="sy0">:</span> <span class="nu0">2</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="coMULTI">/*</span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> Hide the actual checkbox offscreen so that it is out of view, but still accessible via </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> the keyboard. </span></div></li><li class="li1"><div class="de1"><span class="coMULTI">*/</span></div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> input <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">position</span><span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">left</span><span class="sy0">:</span> <span class="re3">-10000px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-focus</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">border-color</span><span class="sy0">:</span> <span class="re0">#39f</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#9cf</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-active</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#ccc</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-checked</span> span <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="coMULTI">/* Draw a custom checkmark for the checked state using a background image. */</span></div></li><li class="li2"><div class="de2"> <span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">checkmark.png</span><span class="br0">)</span> <span class="kw2">no-repeat</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li></ol></pre></div><div class="nonumbers"><pre class="css" style="font-family:monospace;"><span class="re1">.yui-checkbox</span> <span class="br0">{</span>
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229 |
<span class="kw1">display</span><span class="sy0">:</span> -moz-inline-stack<span class="sy0">;</span> <span class="coMULTI">/* Gecko < 1.9, since it doesn't support "inline-block" */</span>
|
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230 |
<span class="kw1">display</span><span class="sy0">:</span> inline-<span class="kw2">block</span><span class="sy0">;</span> <span class="coMULTI">/* IE, Opera and Webkit, and Gecko 1.9 */</span>
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231 |
<span class="kw1">width</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
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232 |
<span class="kw1">height</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
|
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233 |
<span class="kw1">border</span><span class="sy0">:</span> <span class="kw2">inset</span> <span class="re3">2px</span> <span class="re0">#999</span><span class="sy0">;</span>
|
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234 |
<span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#fff</span><span class="sy0">;</span> <span class="coMULTI">/* Need to set a background color or IE won't get mouse events */</span>
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235 |
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236 |
<span class="coMULTI">/*
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237 |
Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since
|
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238 |
they don't support use of negative margins without relative positioning.
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*/</span>
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240 |
_position<span class="sy0">:</span> <span class="kw2">relative</span><span class="sy0">;</span>
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241 |
<span class="br0">}</span>
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242 |
|
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243 |
<span class="re1">.yui-checkbox</span> span <span class="br0">{</span>
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244 |
<span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span>
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245 |
<span class="kw1">height</span><span class="sy0">:</span> <span class="re3">14px</span><span class="sy0">;</span>
|
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246 |
<span class="kw1">width</span><span class="sy0">:</span> <span class="re3">12px</span><span class="sy0">;</span>
|
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247 |
<span class="kw1">overflow</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span>
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248 |
|
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249 |
<span class="coMULTI">/* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */</span>
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250 |
<span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">-5px</span> <span class="nu0">0</span> <span class="nu0">0</span> <span class="re3">1px</span><span class="sy0">;</span>
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251 |
|
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252 |
<span class="coMULTI">/* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/</span>
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253 |
_margin<span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span>
|
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254 |
_position<span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span>
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255 |
_top<span class="sy0">:</span> <span class="re3">-5px</span><span class="sy0">;</span>
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256 |
_left<span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span>
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257 |
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258 |
<span class="br0">}</span>
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259 |
|
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<span class="coMULTI">/* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */</span>
|
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261 |
<span class="re1">.yui-checkbox</span> span<span class="re2">:after </span><span class="br0">{</span>
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262 |
<span class="kw1">content</span><span class="sy0">:</span> <span class="st0">"."</span><span class="sy0">;</span>
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263 |
<span class="kw1">visibility</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span>
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264 |
<span class="kw1">line-height</span><span class="sy0">:</span> <span class="nu0">2</span><span class="sy0">;</span>
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265 |
<span class="br0">}</span>
|
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266 |
|
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267 |
<span class="coMULTI">/*
|
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268 |
Hide the actual checkbox offscreen so that it is out of view, but still accessible via
|
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269 |
the keyboard.
|
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270 |
*/</span>
|
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271 |
<span class="re1">.yui-checkbox</span> input <span class="br0">{</span>
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272 |
<span class="kw1">position</span><span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span>
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273 |
<span class="kw1">left</span><span class="sy0">:</span> <span class="re3">-10000px</span><span class="sy0">;</span>
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274 |
<span class="br0">}</span>
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275 |
|
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276 |
<span class="re1">.yui-checkbox-focus</span> <span class="br0">{</span>
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277 |
<span class="kw1">border-color</span><span class="sy0">:</span> <span class="re0">#39f</span><span class="sy0">;</span>
|
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278 |
<span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#9cf</span><span class="sy0">;</span>
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279 |
<span class="br0">}</span>
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280 |
|
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281 |
<span class="re1">.yui-checkbox-active</span> <span class="br0">{</span>
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282 |
<span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#ccc</span><span class="sy0">;</span>
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283 |
<span class="br0">}</span>
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284 |
|
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285 |
<span class="re1">.yui-checkbox-checked</span> span <span class="br0">{</span>
|
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286 |
<span class="coMULTI">/* Draw a custom checkmark for the checked state using a background image. */</span>
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287 |
<span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">checkmark.png</span><span class="br0">)</span> <span class="kw2">no-repeat</span><span class="sy0">;</span>
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288 |
<span class="br0">}</span></pre></div><textarea id="syntax2-plain">.yui-checkbox {
|
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289 |
display: -moz-inline-stack; /* Gecko < 1.9, since it doesn't support "inline-block" */
|
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290 |
display: inline-block; /* IE, Opera and Webkit, and Gecko 1.9 */
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291 |
width: 10px;
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292 |
height: 10px;
|
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293 |
border: inset 2px #999;
|
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|
294 |
background-color: #fff; /* Need to set a background color or IE won't get mouse events */
|
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|
295 |
|
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|
296 |
/*
|
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|
297 |
Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since
|
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|
298 |
they don't support use of negative margins without relative positioning.
|
|
|
299 |
*/
|
|
|
300 |
_position: relative;
|
|
|
301 |
}
|
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302 |
|
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|
303 |
.yui-checkbox span {
|
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|
304 |
display: block;
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|
305 |
height: 14px;
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|
306 |
width: 12px;
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307 |
overflow: hidden;
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308 |
|
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309 |
/* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */
|
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310 |
margin: -5px 0 0 1px;
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311 |
|
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|
312 |
/* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/
|
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313 |
_margin: 0;
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314 |
_position: absolute;
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315 |
_top: -5px;
|
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316 |
_left: 1px;
|
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317 |
|
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318 |
}
|
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319 |
|
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|
320 |
/* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */
|
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|
321 |
.yui-checkbox span:after {
|
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|
322 |
content: ".";
|
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|
323 |
visibility: hidden;
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|
324 |
line-height: 2;
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325 |
}
|
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326 |
|
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|
327 |
/*
|
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|
328 |
Hide the actual checkbox offscreen so that it is out of view, but still accessible via
|
|
|
329 |
the keyboard.
|
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|
330 |
*/
|
|
|
331 |
.yui-checkbox input {
|
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|
332 |
position: absolute;
|
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|
333 |
left: -10000px;
|
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|
334 |
}
|
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|
335 |
|
|
|
336 |
.yui-checkbox-focus {
|
|
|
337 |
border-color: #39f;
|
|
|
338 |
background-color: #9cf;
|
|
|
339 |
}
|
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|
340 |
|
|
|
341 |
.yui-checkbox-active {
|
|
|
342 |
background-color: #ccc;
|
|
|
343 |
}
|
|
|
344 |
|
|
|
345 |
.yui-checkbox-checked span {
|
|
|
346 |
/* Draw a custom checkmark for the checked state using a background image. */
|
|
|
347 |
background: url(checkmark.png) no-repeat;
|
|
|
348 |
}</textarea></div>
|
|
|
349 |
<h4>JavaScript</h4>
|
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|
350 |
|
|
|
351 |
<p>
|
|
|
352 |
Application and removal of the state-based class names will be facilitated by JavaScript event
|
|
|
353 |
handlers. Each event handler will track the state of the
|
|
|
354 |
<code><input type="checkbox"></code> element, and apply and remove corresponding
|
|
|
355 |
state-based class names from its outtermost <code><span></code> —
|
|
|
356 |
making it easy to style each state. And since each JavaScript is required for state management,
|
|
|
357 |
the stylesheet for the skinned checkboxes will only be added to the page when JavaScript is
|
|
|
358 |
enabled. This will ensure that each checkbox works correctly with and without JavaScript enabled.
|
|
|
359 |
</p>
|
|
|
360 |
|
|
|
361 |
<p>
|
|
|
362 |
Since there could easily be many instances of a skinned checkbox on the page, all event
|
|
|
363 |
listeners will be attached to the containing element for all checkboxes. Each listener will
|
|
|
364 |
listen for events as they bubble up from each checkbox. Relying on event bubbling will improve the
|
|
|
365 |
overall performance of the page by reducing the number of event handlers.
|
|
|
366 |
</p>
|
|
|
367 |
|
|
|
368 |
<p>
|
|
|
369 |
Since the DOM <code>focus</code> and <code>blur</code> events do not bubble, use the Event Utility's
|
|
|
370 |
<a href="../../api/YUI.html#event_focus"><code>focus</code></a> and
|
|
|
371 |
<a href="../../api/YUI.html#event_focus"><code>blur</code></a> custom events, as an alternative to
|
|
|
372 |
attaching discrete focus and blur event handlers to the <code><input type="checkbox"></code>
|
|
|
373 |
element of each skinned checkbox. The
|
|
|
374 |
<a href="../../api/YUI.html#event_focus"><code>focus</code></a> and
|
|
|
375 |
<a href="../../api/YUI.html#event_focus"><code>blur</code></a> custom events leverage
|
|
|
376 |
capture-phase DOM event listeners, making it possible to attach a single focus and blur event
|
|
|
377 |
listener on the containing element of each checkbox — thereby increasing the performance
|
|
|
378 |
of the page. The complete script for the example comes together as follows:
|
|
|
379 |
</p>
|
|
|
380 |
|
|
|
381 |
<div id="syntax3" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"*"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> UA <span class="sy0">=</span> Y.<span class="me1">UA</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> getClassName <span class="sy0">=</span> Y.<span class="me1">ClassNameManager</span>.<span class="me1">getClassName</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> sCheckboxFocusClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"focus"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-focus</span></div></li><li class="li1"><div class="de1"> sCheckboxCheckedClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"checked"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-checked</span></div></li><li class="li1"><div class="de1"> sCheckboxActiveClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"active"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-active</span></div></li><li class="li1"><div class="de1"> bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> forAttr <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> UA.<span class="me1">ie</span> <span class="sy0"><</span> <span class="nu0">8</span><span class="br0">)</span> <span class="sy0">?</span> <span class="st0">"htmlFor"</span> <span class="sy0">:</span> <span class="st0">"for"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> </div></li><li class="li1"><div class="de1"> oActiveCheckbox<span class="sy0">;</span> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> initKeyListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"keydown"</span><span class="sy0">,</span> onCheckboxKeyDown<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"click"</span><span class="sy0">,</span> onCheckboxClick<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"blur"</span><span class="sy0">,</span> onCheckboxBlur<span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> initMouseListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseover"</span><span class="sy0">,</span> onCheckboxMouseOver<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseout"</span><span class="sy0">,</span> onCheckboxMouseOut<span class="sy0">,</span> <span class="st0">".yui-checkbox-active"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">on</span><span class="br0">(</span><span class="st0">"mouseup"</span><span class="sy0">,</span> onDocumentMouseUp<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> getCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>node<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">return</span> <span class="br0">(</span>node.<span class="me1">hasClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span> <span class="sy0">?</span> node <span class="sy0">:</span> node.<span class="me1">ancestor</span><span class="br0">(</span><span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> getCheckboxForLabel <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>label<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> sID <span class="sy0">=</span> label.<span class="me1">getAttribute</span><span class="br0">(</span>forAttr<span class="br0">)</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> oInput<span class="sy0">,</span></div></li><li class="li2"><div class="de2"> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>sID<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#"</span> <span class="sy0">+</span> sID<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oInput<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">return</span> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> updateCheckedState <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>input<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>input<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>input.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="kw1">else</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> setActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>checkbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> checkbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox <span class="sy0">=</span> checkbox<span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> clearActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox <span class="sy0">=</span> <span class="kw2">null</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseOver <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="sy0">,</span> matchedEl<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox <span class="sy0">&&</span> oActiveCheckbox.<span class="me1">compareTo</span><span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseOut <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw2">var</span> onDocumentMouseUp <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockDocumentMouseUp<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>event.<span class="me1">target</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="br0">(</span>oCheckbox <span class="sy0">&&</span> <span class="sy0">!</span>oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="sy0">!</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxFocus <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Remove the focus style from any checkbox that might still have it</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">".yui-checkbox-focus"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Defer adding key-related and click event listeners until </span></div></li><li class="li2"><div class="de2"> <span class="co1">// one of the checkboxes is initially focused.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bKeyListenersInitialized<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> initKeyListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxBlur <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span>bBlockBlur<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">return</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockClearActive <span class="sy0">&&</span> oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Defer adding mouse-related and click event listeners until </span></div></li><li class="li1"><div class="de1"> <span class="co1">// the user mouses down on one of the checkboxes.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bMouseListenersInitialized<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> initMouseListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox<span class="sy0">,</span></div></li><li class="li1"><div class="de1"> oInput<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"nodeName"</span><span class="br0">)</span>.<span class="me1">toLowerCase</span><span class="br0">(</span><span class="br0">)</span> <span class="sy0">===</span> <span class="st0">"label"</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// If the target of the event was the checkbox's label element, the</span></div></li><li class="li1"><div class="de1"> <span class="co1">// label will dispatch a click event to the checkbox, meaning the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// "onCheckboxClick" handler will be called twice. For that reason</span></div></li><li class="li1"><div class="de1"> <span class="co1">// it is necessary to block the "onDocumentMouseUp" handler from</span></div></li><li class="li1"><div class="de1"> <span class="co1">// clearing the active state, so that a reference to the active </span></div></li><li class="li1"><div class="de1"> <span class="co1">// checkbox still exists the second time the "onCheckboxClick"</span></div></li><li class="li1"><div class="de1"> <span class="co1">// handler is called.</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// When the user clicks the label instead of the checkbox itself, </span></div></li><li class="li1"><div class="de1"> <span class="co1">// the checkbox will be blurred if it has focus. Since the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// "onCheckboxBlur" handler clears the active state it is </span></div></li><li class="li1"><div class="de1"> <span class="co1">// necessary to block the clearing of the active state when the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// label is clicked instead of the checkbox itself.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckboxForLabel<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="kw1">else</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> <span class="kw1">this</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Need to focus the input manually for two reasons:</span></div></li><li class="li1"><div class="de1"> <span class="co1">// 1) Mousing down on a label in Webkit doesn't focus its </span></div></li><li class="li1"><div class="de1"> <span class="co1">// associated checkbox</span></div></li><li class="li1"><div class="de1"> <span class="co1">// 2) By default checkboxes are focused when the user mouses </span></div></li><li class="li1"><div class="de1"> <span class="co1">// down on them. However, since the actually checkbox is </span></div></li><li class="li2"><div class="de2"> <span class="co1">// obscurred by the two span elements that are used to </span></div></li><li class="li1"><div class="de1"> <span class="co1">// style it, the checkbox wont' receive focus as it was </span></div></li><li class="li1"><div class="de1"> <span class="co1">// never the actual target of the mousedown event.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput <span class="sy0">=</span> oCheckbox.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Calling Event.preventDefault won't block the blurring of the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// currently focused element in IE, so we'll use the "bBlockBlur"</span></div></li><li class="li1"><div class="de1"> <span class="co1">// variable to stop the code in the blur event handler </span></div></li><li class="li2"><div class="de2"> <span class="co1">// from executing.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> oInput.<span class="kw3">focus</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> setActiveCheckbox<span class="br0">(</span>oCheckbox<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Need to call preventDefault because by default mousing down on</span></div></li><li class="li2"><div class="de2"> <span class="co1">// an element will blur the element in the document that currently </span></div></li><li class="li1"><div class="de1"> <span class="co1">// has focus--in this case, the input element that was </span></div></li><li class="li1"><div class="de1"> <span class="co1">// just focused.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> event.<span class="me1">preventDefault</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxClick <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oInput<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> oInput <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>event.<span class="me1">target</span>.<span class="me1">compareTo</span><span class="br0">(</span>oInput<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// If the click event was fired via the mouse the checked</span></div></li><li class="li2"><div class="de2"> <span class="co1">// state will have to be manually updated since the input </span></div></li><li class="li1"><div class="de1"> <span class="co1">// is hidden offscreen and therefore couldn't be the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// target of the click.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">"checked"</span><span class="sy0">,</span> <span class="br0">(</span><span class="sy0">!</span>oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> updateCheckedState<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxKeyDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Style the checkbox as being active when the user presses the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// space bar</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>event.<span class="me1">keyCode</span> <span class="sy0">===</span> <span class="nu0">32</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> setActiveCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">all</span><span class="br0">(</span><span class="st0">"#checkboxes>div>span"</span><span class="br0">)</span>.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Remove the "yui-checkboxes-loading" class used to hide the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// checkboxes now that the checkboxes have been skinned.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"documentElement"</span><span class="br0">)</span>.<span class="me1">removeClass</span><span class="br0">(</span><span class="st0">"yui-checkboxes-loading"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Add the minimum number of event listeners needed to start, bind the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// rest when needed</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mousedown"</span><span class="sy0">,</span> onCheckboxMouseDown<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">".yui-checkbox,label"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"focus"</span><span class="sy0">,</span> onCheckboxFocus<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"*"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span>
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<span class="kw2">var</span> UA <span class="sy0">=</span> Y.<span class="me1">UA</span><span class="sy0">,</span>
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getClassName <span class="sy0">=</span> Y.<span class="me1">ClassNameManager</span>.<span class="me1">getClassName</span><span class="sy0">,</span>
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sCheckboxFocusClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"focus"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-focus</span>
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sCheckboxCheckedClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"checked"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-checked</span>
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sCheckboxActiveClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"active"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-active</span>
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bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span>
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bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span>
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forAttr <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> UA.<span class="me1">ie</span> <span class="sy0"><</span> <span class="nu0">8</span><span class="br0">)</span> <span class="sy0">?</span> <span class="st0">"htmlFor"</span> <span class="sy0">:</span> <span class="st0">"for"</span><span class="sy0">,</span>
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bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span>
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bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span>
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bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span>
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oActiveCheckbox<span class="sy0">;</span>
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<span class="kw2">var</span> initKeyListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span>
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<span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"keydown"</span><span class="sy0">,</span> onCheckboxKeyDown<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"click"</span><span class="sy0">,</span> onCheckboxClick<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"blur"</span><span class="sy0">,</span> onCheckboxBlur<span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span>
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bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span>
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<span class="br0">}</span><span class="sy0">;</span>
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<span class="kw2">var</span> initMouseListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span>
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<span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseover"</span><span class="sy0">,</span> onCheckboxMouseOver<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseout"</span><span class="sy0">,</span> onCheckboxMouseOut<span class="sy0">,</span> <span class="st0">".yui-checkbox-active"</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">on</span><span class="br0">(</span><span class="st0">"mouseup"</span><span class="sy0">,</span> onDocumentMouseUp<span class="br0">)</span><span class="sy0">;</span>
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bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span>
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<span class="br0">}</span><span class="sy0">;</span>
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<span class="kw2">var</span> getCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>node<span class="br0">)</span> <span class="br0">{</span>
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<span class="kw1">return</span> <span class="br0">(</span>node.<span class="me1">hasClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span> <span class="sy0">?</span> node <span class="sy0">:</span> node.<span class="me1">ancestor</span><span class="br0">(</span><span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span>
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<span class="br0">}</span><span class="sy0">;</span>
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<span class="kw2">var</span> getCheckboxForLabel <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>label<span class="br0">)</span> <span class="br0">{</span>
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<span class="kw2">var</span> sID <span class="sy0">=</span> label.<span class="me1">getAttribute</span><span class="br0">(</span>forAttr<span class="br0">)</span><span class="sy0">,</span>
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oInput<span class="sy0">,</span>
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oCheckbox<span class="sy0">;</span>
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<span class="kw1">if</span> <span class="br0">(</span>sID<span class="br0">)</span> <span class="br0">{</span>
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oInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#"</span> <span class="sy0">+</span> sID<span class="br0">)</span><span class="sy0">;</span>
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436 |
<span class="kw1">if</span> <span class="br0">(</span>oInput<span class="br0">)</span> <span class="br0">{</span>
|
|
|
437 |
oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span>
|
|
|
438 |
<span class="br0">}</span>
|
|
|
439 |
|
|
|
440 |
<span class="br0">}</span>
|
|
|
441 |
|
|
|
442 |
<span class="kw1">return</span> oCheckbox<span class="sy0">;</span>
|
|
|
443 |
|
|
|
444 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
445 |
|
|
|
446 |
|
|
|
447 |
<span class="kw2">var</span> updateCheckedState <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>input<span class="br0">)</span> <span class="br0">{</span>
|
|
|
448 |
|
|
|
449 |
<span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>input<span class="br0">)</span><span class="sy0">;</span>
|
|
|
450 |
|
|
|
451 |
<span class="kw1">if</span> <span class="br0">(</span>input.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
452 |
oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
453 |
<span class="br0">}</span>
|
|
|
454 |
<span class="kw1">else</span> <span class="br0">{</span>
|
|
|
455 |
oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
456 |
<span class="br0">}</span>
|
|
|
457 |
|
|
|
458 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
459 |
|
|
|
460 |
|
|
|
461 |
<span class="kw2">var</span> setActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>checkbox<span class="br0">)</span> <span class="br0">{</span>
|
|
|
462 |
|
|
|
463 |
checkbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
464 |
oActiveCheckbox <span class="sy0">=</span> checkbox<span class="sy0">;</span>
|
|
|
465 |
|
|
|
466 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
467 |
|
|
|
468 |
|
|
|
469 |
<span class="kw2">var</span> clearActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
470 |
|
|
|
471 |
<span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox<span class="br0">)</span> <span class="br0">{</span>
|
|
|
472 |
oActiveCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
473 |
oActiveCheckbox <span class="sy0">=</span> <span class="kw2">null</span><span class="sy0">;</span>
|
|
|
474 |
<span class="br0">}</span>
|
|
|
475 |
|
|
|
476 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
477 |
|
|
|
478 |
|
|
|
479 |
<span class="kw2">var</span> onCheckboxMouseOver <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="sy0">,</span> matchedEl<span class="br0">)</span> <span class="br0">{</span>
|
|
|
480 |
|
|
|
481 |
<span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox <span class="sy0">&&</span> oActiveCheckbox.<span class="me1">compareTo</span><span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
482 |
oActiveCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
483 |
<span class="br0">}</span>
|
|
|
484 |
|
|
|
485 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
486 |
|
|
|
487 |
|
|
|
488 |
<span class="kw2">var</span> onCheckboxMouseOut <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
489 |
|
|
|
490 |
<span class="kw1">this</span>.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
491 |
|
|
|
492 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
493 |
|
|
|
494 |
|
|
|
495 |
<span class="kw2">var</span> onDocumentMouseUp <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
496 |
|
|
|
497 |
<span class="kw2">var</span> oCheckbox<span class="sy0">;</span>
|
|
|
498 |
|
|
|
499 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockDocumentMouseUp<span class="br0">)</span> <span class="br0">{</span>
|
|
|
500 |
|
|
|
501 |
oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>event.<span class="me1">target</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
502 |
|
|
|
503 |
<span class="kw1">if</span> <span class="br0">(</span><span class="br0">(</span>oCheckbox <span class="sy0">&&</span> <span class="sy0">!</span>oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="sy0">!</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span>
|
|
|
504 |
clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
505 |
<span class="br0">}</span>
|
|
|
506 |
|
|
|
507 |
<span class="br0">}</span>
|
|
|
508 |
|
|
|
509 |
bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span>
|
|
|
510 |
|
|
|
511 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
512 |
|
|
|
513 |
|
|
|
514 |
<span class="kw2">var</span> onCheckboxFocus <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
515 |
|
|
|
516 |
<span class="co1">// Remove the focus style from any checkbox that might still have it</span>
|
|
|
517 |
|
|
|
518 |
<span class="kw2">var</span> oCheckbox <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">".yui-checkbox-focus"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
519 |
|
|
|
520 |
<span class="kw1">if</span> <span class="br0">(</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span>
|
|
|
521 |
oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
522 |
<span class="br0">}</span>
|
|
|
523 |
|
|
|
524 |
<span class="co1">// Defer adding key-related and click event listeners until </span>
|
|
|
525 |
<span class="co1">// one of the checkboxes is initially focused.</span>
|
|
|
526 |
|
|
|
527 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bKeyListenersInitialized<span class="br0">)</span> <span class="br0">{</span>
|
|
|
528 |
initKeyListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
529 |
<span class="br0">}</span>
|
|
|
530 |
|
|
|
531 |
<span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
532 |
|
|
|
533 |
oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
534 |
|
|
|
535 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
536 |
|
|
|
537 |
|
|
|
538 |
<span class="kw2">var</span> onCheckboxBlur <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
539 |
|
|
|
540 |
<span class="kw1">if</span> <span class="br0">(</span>bBlockBlur<span class="br0">)</span> <span class="br0">{</span>
|
|
|
541 |
bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span>
|
|
|
542 |
<span class="kw1">return</span><span class="sy0">;</span>
|
|
|
543 |
<span class="br0">}</span>
|
|
|
544 |
|
|
|
545 |
<span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
546 |
|
|
|
547 |
oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span>
|
|
|
548 |
|
|
|
549 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockClearActive <span class="sy0">&&</span> oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
550 |
clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
551 |
<span class="br0">}</span>
|
|
|
552 |
|
|
|
553 |
bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span>
|
|
|
554 |
|
|
|
555 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
556 |
|
|
|
557 |
|
|
|
558 |
<span class="kw2">var</span> onCheckboxMouseDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
559 |
|
|
|
560 |
<span class="co1">// Defer adding mouse-related and click event listeners until </span>
|
|
|
561 |
<span class="co1">// the user mouses down on one of the checkboxes.</span>
|
|
|
562 |
|
|
|
563 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bMouseListenersInitialized<span class="br0">)</span> <span class="br0">{</span>
|
|
|
564 |
initMouseListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
565 |
<span class="br0">}</span>
|
|
|
566 |
|
|
|
567 |
<span class="kw2">var</span> oCheckbox<span class="sy0">,</span>
|
|
|
568 |
oInput<span class="sy0">;</span>
|
|
|
569 |
|
|
|
570 |
|
|
|
571 |
<span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"nodeName"</span><span class="br0">)</span>.<span class="me1">toLowerCase</span><span class="br0">(</span><span class="br0">)</span> <span class="sy0">===</span> <span class="st0">"label"</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
572 |
|
|
|
573 |
<span class="co1">// If the target of the event was the checkbox's label element, the</span>
|
|
|
574 |
<span class="co1">// label will dispatch a click event to the checkbox, meaning the </span>
|
|
|
575 |
<span class="co1">// "onCheckboxClick" handler will be called twice. For that reason</span>
|
|
|
576 |
<span class="co1">// it is necessary to block the "onDocumentMouseUp" handler from</span>
|
|
|
577 |
<span class="co1">// clearing the active state, so that a reference to the active </span>
|
|
|
578 |
<span class="co1">// checkbox still exists the second time the "onCheckboxClick"</span>
|
|
|
579 |
<span class="co1">// handler is called.</span>
|
|
|
580 |
|
|
|
581 |
bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span>
|
|
|
582 |
|
|
|
583 |
<span class="co1">// When the user clicks the label instead of the checkbox itself, </span>
|
|
|
584 |
<span class="co1">// the checkbox will be blurred if it has focus. Since the </span>
|
|
|
585 |
<span class="co1">// "onCheckboxBlur" handler clears the active state it is </span>
|
|
|
586 |
<span class="co1">// necessary to block the clearing of the active state when the </span>
|
|
|
587 |
<span class="co1">// label is clicked instead of the checkbox itself.</span>
|
|
|
588 |
|
|
|
589 |
bBlockClearActive <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span>
|
|
|
590 |
|
|
|
591 |
oCheckbox <span class="sy0">=</span> getCheckboxForLabel<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
592 |
|
|
|
593 |
<span class="br0">}</span>
|
|
|
594 |
<span class="kw1">else</span> <span class="br0">{</span>
|
|
|
595 |
|
|
|
596 |
oCheckbox <span class="sy0">=</span> <span class="kw1">this</span><span class="sy0">;</span>
|
|
|
597 |
|
|
|
598 |
<span class="br0">}</span>
|
|
|
599 |
|
|
|
600 |
<span class="co1">// Need to focus the input manually for two reasons:</span>
|
|
|
601 |
<span class="co1">// 1) Mousing down on a label in Webkit doesn't focus its </span>
|
|
|
602 |
<span class="co1">// associated checkbox</span>
|
|
|
603 |
<span class="co1">// 2) By default checkboxes are focused when the user mouses </span>
|
|
|
604 |
<span class="co1">// down on them. However, since the actually checkbox is </span>
|
|
|
605 |
<span class="co1">// obscurred by the two span elements that are used to </span>
|
|
|
606 |
<span class="co1">// style it, the checkbox wont' receive focus as it was </span>
|
|
|
607 |
<span class="co1">// never the actual target of the mousedown event.</span>
|
|
|
608 |
|
|
|
609 |
oInput <span class="sy0">=</span> oCheckbox.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
610 |
|
|
|
611 |
|
|
|
612 |
<span class="co1">// Calling Event.preventDefault won't block the blurring of the </span>
|
|
|
613 |
<span class="co1">// currently focused element in IE, so we'll use the "bBlockBlur"</span>
|
|
|
614 |
<span class="co1">// variable to stop the code in the blur event handler </span>
|
|
|
615 |
<span class="co1">// from executing.</span>
|
|
|
616 |
|
|
|
617 |
bBlockBlur <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
618 |
|
|
|
619 |
|
|
|
620 |
oInput.<span class="kw3">focus</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
621 |
|
|
|
622 |
setActiveCheckbox<span class="br0">(</span>oCheckbox<span class="br0">)</span><span class="sy0">;</span>
|
|
|
623 |
|
|
|
624 |
<span class="co1">// Need to call preventDefault because by default mousing down on</span>
|
|
|
625 |
<span class="co1">// an element will blur the element in the document that currently </span>
|
|
|
626 |
<span class="co1">// has focus--in this case, the input element that was </span>
|
|
|
627 |
<span class="co1">// just focused.</span>
|
|
|
628 |
|
|
|
629 |
event.<span class="me1">preventDefault</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
630 |
|
|
|
631 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
632 |
|
|
|
633 |
|
|
|
634 |
<span class="kw2">var</span> onCheckboxClick <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
635 |
|
|
|
636 |
<span class="kw2">var</span> oInput<span class="sy0">;</span>
|
|
|
637 |
|
|
|
638 |
<span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
639 |
|
|
|
640 |
oInput <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
641 |
|
|
|
642 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>event.<span class="me1">target</span>.<span class="me1">compareTo</span><span class="br0">(</span>oInput<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
643 |
|
|
|
644 |
<span class="co1">// If the click event was fired via the mouse the checked</span>
|
|
|
645 |
<span class="co1">// state will have to be manually updated since the input </span>
|
|
|
646 |
<span class="co1">// is hidden offscreen and therefore couldn't be the </span>
|
|
|
647 |
<span class="co1">// target of the click.</span>
|
|
|
648 |
|
|
|
649 |
oInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">"checked"</span><span class="sy0">,</span> <span class="br0">(</span><span class="sy0">!</span>oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
650 |
|
|
|
651 |
<span class="br0">}</span>
|
|
|
652 |
|
|
|
653 |
updateCheckedState<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span>
|
|
|
654 |
clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
655 |
|
|
|
656 |
<span class="br0">}</span>
|
|
|
657 |
|
|
|
658 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
659 |
|
|
|
660 |
|
|
|
661 |
<span class="kw2">var</span> onCheckboxKeyDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span>
|
|
|
662 |
|
|
|
663 |
<span class="co1">// Style the checkbox as being active when the user presses the </span>
|
|
|
664 |
<span class="co1">// space bar</span>
|
|
|
665 |
|
|
|
666 |
<span class="kw1">if</span> <span class="br0">(</span>event.<span class="me1">keyCode</span> <span class="sy0">===</span> <span class="nu0">32</span><span class="br0">)</span> <span class="br0">{</span>
|
|
|
667 |
setActiveCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
668 |
<span class="br0">}</span>
|
|
|
669 |
|
|
|
670 |
<span class="br0">}</span><span class="sy0">;</span>
|
|
|
671 |
|
|
|
672 |
Y.<span class="me1">all</span><span class="br0">(</span><span class="st0">"#checkboxes>div>span"</span><span class="br0">)</span>.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
673 |
|
|
|
674 |
<span class="co1">// Remove the "yui-checkboxes-loading" class used to hide the </span>
|
|
|
675 |
<span class="co1">// checkboxes now that the checkboxes have been skinned.</span>
|
|
|
676 |
|
|
|
677 |
Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"documentElement"</span><span class="br0">)</span>.<span class="me1">removeClass</span><span class="br0">(</span><span class="st0">"yui-checkboxes-loading"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
678 |
|
|
|
679 |
<span class="co1">// Add the minimum number of event listeners needed to start, bind the </span>
|
|
|
680 |
<span class="co1">// rest when needed</span>
|
|
|
681 |
|
|
|
682 |
Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mousedown"</span><span class="sy0">,</span> onCheckboxMouseDown<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">".yui-checkbox,label"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
683 |
Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"focus"</span><span class="sy0">,</span> onCheckboxFocus<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
684 |
|
|
|
685 |
<span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></pre></div><textarea id="syntax3-plain">YUI().use("*", function(Y) {
|
|
|
686 |
|
|
|
687 |
var UA = Y.UA,
|
|
|
688 |
getClassName = Y.ClassNameManager.getClassName,
|
|
|
689 |
sCheckboxFocusClass = getClassName("checkbox", "focus"), // Create yui-checkbox-focus
|
|
|
690 |
sCheckboxCheckedClass = getClassName("checkbox", "checked"), // Create yui-checkbox-checked
|
|
|
691 |
sCheckboxActiveClass = getClassName("checkbox", "active"), // Create yui-checkbox-active
|
|
|
692 |
bKeyListenersInitialized = false,
|
|
|
693 |
bMouseListenersInitialized = false,
|
|
|
694 |
forAttr = (UA.ie && UA.ie < 8) ? "htmlFor" : "for",
|
|
|
695 |
bBlockDocumentMouseUp = false,
|
|
|
696 |
bBlockClearActive = false,
|
|
|
697 |
bBlockBlur = false,
|
|
|
698 |
oActiveCheckbox;
|
|
|
699 |
|
|
|
700 |
|
|
|
701 |
var initKeyListeners = function () {
|
|
|
702 |
|
|
|
703 |
this.delegate("keydown", onCheckboxKeyDown, ".yui-checkbox");
|
|
|
704 |
this.delegate("click", onCheckboxClick, ".yui-checkbox");
|
|
|
705 |
this.delegate("blur", onCheckboxBlur, "input[type=checkbox]");
|
|
|
706 |
|
|
|
707 |
bKeyListenersInitialized = true;
|
|
|
708 |
|
|
|
709 |
};
|
|
|
710 |
|
|
|
711 |
|
|
|
712 |
var initMouseListeners = function () {
|
|
|
713 |
|
|
|
714 |
this.delegate("mouseover", onCheckboxMouseOver, ".yui-checkbox");
|
|
|
715 |
this.delegate("mouseout", onCheckboxMouseOut, ".yui-checkbox-active");
|
|
|
716 |
this.get("ownerDocument").on("mouseup", onDocumentMouseUp);
|
|
|
717 |
|
|
|
718 |
bMouseListenersInitialized = true;
|
|
|
719 |
|
|
|
720 |
};
|
|
|
721 |
|
|
|
722 |
|
|
|
723 |
var getCheckbox = function (node) {
|
|
|
724 |
|
|
|
725 |
return (node.hasClass("yui-checkbox") ? node : node.ancestor(".yui-checkbox"));
|
|
|
726 |
|
|
|
727 |
};
|
|
|
728 |
|
|
|
729 |
|
|
|
730 |
var getCheckboxForLabel = function (label) {
|
|
|
731 |
|
|
|
732 |
var sID = label.getAttribute(forAttr),
|
|
|
733 |
oInput,
|
|
|
734 |
oCheckbox;
|
|
|
735 |
|
|
|
736 |
if (sID) {
|
|
|
737 |
|
|
|
738 |
oInput = Y.one("#" + sID);
|
|
|
739 |
|
|
|
740 |
if (oInput) {
|
|
|
741 |
oCheckbox = getCheckbox(oInput);
|
|
|
742 |
}
|
|
|
743 |
|
|
|
744 |
}
|
|
|
745 |
|
|
|
746 |
return oCheckbox;
|
|
|
747 |
|
|
|
748 |
};
|
|
|
749 |
|
|
|
750 |
|
|
|
751 |
var updateCheckedState = function (input) {
|
|
|
752 |
|
|
|
753 |
var oCheckbox = getCheckbox(input);
|
|
|
754 |
|
|
|
755 |
if (input.get("checked")) {
|
|
|
756 |
oCheckbox.addClass(sCheckboxCheckedClass);
|
|
|
757 |
}
|
|
|
758 |
else {
|
|
|
759 |
oCheckbox.removeClass(sCheckboxCheckedClass);
|
|
|
760 |
}
|
|
|
761 |
|
|
|
762 |
};
|
|
|
763 |
|
|
|
764 |
|
|
|
765 |
var setActiveCheckbox = function (checkbox) {
|
|
|
766 |
|
|
|
767 |
checkbox.addClass(sCheckboxActiveClass);
|
|
|
768 |
oActiveCheckbox = checkbox;
|
|
|
769 |
|
|
|
770 |
};
|
|
|
771 |
|
|
|
772 |
|
|
|
773 |
var clearActiveCheckbox = function () {
|
|
|
774 |
|
|
|
775 |
if (oActiveCheckbox) {
|
|
|
776 |
oActiveCheckbox.removeClass(sCheckboxActiveClass);
|
|
|
777 |
oActiveCheckbox = null;
|
|
|
778 |
}
|
|
|
779 |
|
|
|
780 |
};
|
|
|
781 |
|
|
|
782 |
|
|
|
783 |
var onCheckboxMouseOver = function (event, matchedEl) {
|
|
|
784 |
|
|
|
785 |
if (oActiveCheckbox && oActiveCheckbox.compareTo(this)) {
|
|
|
786 |
oActiveCheckbox.addClass(sCheckboxActiveClass);
|
|
|
787 |
}
|
|
|
788 |
|
|
|
789 |
};
|
|
|
790 |
|
|
|
791 |
|
|
|
792 |
var onCheckboxMouseOut = function (event) {
|
|
|
793 |
|
|
|
794 |
this.removeClass(sCheckboxActiveClass);
|
|
|
795 |
|
|
|
796 |
};
|
|
|
797 |
|
|
|
798 |
|
|
|
799 |
var onDocumentMouseUp = function (event) {
|
|
|
800 |
|
|
|
801 |
var oCheckbox;
|
|
|
802 |
|
|
|
803 |
if (!bBlockDocumentMouseUp) {
|
|
|
804 |
|
|
|
805 |
oCheckbox = getCheckbox(event.target);
|
|
|
806 |
|
|
|
807 |
if ((oCheckbox && !oCheckbox.compareTo(oActiveCheckbox)) || !oCheckbox) {
|
|
|
808 |
clearActiveCheckbox();
|
|
|
809 |
}
|
|
|
810 |
|
|
|
811 |
}
|
|
|
812 |
|
|
|
813 |
bBlockDocumentMouseUp = false;
|
|
|
814 |
|
|
|
815 |
};
|
|
|
816 |
|
|
|
817 |
|
|
|
818 |
var onCheckboxFocus = function (event) {
|
|
|
819 |
|
|
|
820 |
// Remove the focus style from any checkbox that might still have it
|
|
|
821 |
|
|
|
822 |
var oCheckbox = Y.one("#checkboxes").one(".yui-checkbox-focus");
|
|
|
823 |
|
|
|
824 |
if (oCheckbox) {
|
|
|
825 |
oCheckbox.removeClass(sCheckboxFocusClass);
|
|
|
826 |
}
|
|
|
827 |
|
|
|
828 |
// Defer adding key-related and click event listeners until
|
|
|
829 |
// one of the checkboxes is initially focused.
|
|
|
830 |
|
|
|
831 |
if (!bKeyListenersInitialized) {
|
|
|
832 |
initKeyListeners.call(event.container);
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
var oCheckbox = getCheckbox(this);
|
|
|
836 |
|
|
|
837 |
oCheckbox.addClass(sCheckboxFocusClass);
|
|
|
838 |
|
|
|
839 |
};
|
|
|
840 |
|
|
|
841 |
|
|
|
842 |
var onCheckboxBlur = function (event) {
|
|
|
843 |
|
|
|
844 |
if (bBlockBlur) {
|
|
|
845 |
bBlockBlur = false;
|
|
|
846 |
return;
|
|
|
847 |
}
|
|
|
848 |
|
|
|
849 |
var oCheckbox = getCheckbox(this);
|
|
|
850 |
|
|
|
851 |
oCheckbox.removeClass(sCheckboxFocusClass);
|
|
|
852 |
|
|
|
853 |
if (!bBlockClearActive && oCheckbox.compareTo(oActiveCheckbox)) {
|
|
|
854 |
clearActiveCheckbox();
|
|
|
855 |
}
|
|
|
856 |
|
|
|
857 |
bBlockClearActive = false;
|
|
|
858 |
|
|
|
859 |
};
|
|
|
860 |
|
|
|
861 |
|
|
|
862 |
var onCheckboxMouseDown = function (event) {
|
|
|
863 |
|
|
|
864 |
// Defer adding mouse-related and click event listeners until
|
|
|
865 |
// the user mouses down on one of the checkboxes.
|
|
|
866 |
|
|
|
867 |
if (!bMouseListenersInitialized) {
|
|
|
868 |
initMouseListeners.call(event.container);
|
|
|
869 |
}
|
|
|
870 |
|
|
|
871 |
var oCheckbox,
|
|
|
872 |
oInput;
|
|
|
873 |
|
|
|
874 |
|
|
|
875 |
if (this.get("nodeName").toLowerCase() === "label") {
|
|
|
876 |
|
|
|
877 |
// If the target of the event was the checkbox's label element, the
|
|
|
878 |
// label will dispatch a click event to the checkbox, meaning the
|
|
|
879 |
// "onCheckboxClick" handler will be called twice. For that reason
|
|
|
880 |
// it is necessary to block the "onDocumentMouseUp" handler from
|
|
|
881 |
// clearing the active state, so that a reference to the active
|
|
|
882 |
// checkbox still exists the second time the "onCheckboxClick"
|
|
|
883 |
// handler is called.
|
|
|
884 |
|
|
|
885 |
bBlockDocumentMouseUp = true;
|
|
|
886 |
|
|
|
887 |
// When the user clicks the label instead of the checkbox itself,
|
|
|
888 |
// the checkbox will be blurred if it has focus. Since the
|
|
|
889 |
// "onCheckboxBlur" handler clears the active state it is
|
|
|
890 |
// necessary to block the clearing of the active state when the
|
|
|
891 |
// label is clicked instead of the checkbox itself.
|
|
|
892 |
|
|
|
893 |
bBlockClearActive = true;
|
|
|
894 |
|
|
|
895 |
oCheckbox = getCheckboxForLabel(this);
|
|
|
896 |
|
|
|
897 |
}
|
|
|
898 |
else {
|
|
|
899 |
|
|
|
900 |
oCheckbox = this;
|
|
|
901 |
|
|
|
902 |
}
|
|
|
903 |
|
|
|
904 |
// Need to focus the input manually for two reasons:
|
|
|
905 |
// 1) Mousing down on a label in Webkit doesn't focus its
|
|
|
906 |
// associated checkbox
|
|
|
907 |
// 2) By default checkboxes are focused when the user mouses
|
|
|
908 |
// down on them. However, since the actually checkbox is
|
|
|
909 |
// obscurred by the two span elements that are used to
|
|
|
910 |
// style it, the checkbox wont' receive focus as it was
|
|
|
911 |
// never the actual target of the mousedown event.
|
|
|
912 |
|
|
|
913 |
oInput = oCheckbox.one("input");
|
|
|
914 |
|
|
|
915 |
|
|
|
916 |
// Calling Event.preventDefault won't block the blurring of the
|
|
|
917 |
// currently focused element in IE, so we'll use the "bBlockBlur"
|
|
|
918 |
// variable to stop the code in the blur event handler
|
|
|
919 |
// from executing.
|
|
|
920 |
|
|
|
921 |
bBlockBlur = (UA.ie && oInput.get("checked"));
|
|
|
922 |
|
|
|
923 |
|
|
|
924 |
oInput.focus();
|
|
|
925 |
|
|
|
926 |
setActiveCheckbox(oCheckbox);
|
|
|
927 |
|
|
|
928 |
// Need to call preventDefault because by default mousing down on
|
|
|
929 |
// an element will blur the element in the document that currently
|
|
|
930 |
// has focus--in this case, the input element that was
|
|
|
931 |
// just focused.
|
|
|
932 |
|
|
|
933 |
event.preventDefault();
|
|
|
934 |
|
|
|
935 |
};
|
|
|
936 |
|
|
|
937 |
|
|
|
938 |
var onCheckboxClick = function (event) {
|
|
|
939 |
|
|
|
940 |
var oInput;
|
|
|
941 |
|
|
|
942 |
if (this.compareTo(oActiveCheckbox)) {
|
|
|
943 |
|
|
|
944 |
oInput = this.one("input");
|
|
|
945 |
|
|
|
946 |
if (!event.target.compareTo(oInput)) {
|
|
|
947 |
|
|
|
948 |
// If the click event was fired via the mouse the checked
|
|
|
949 |
// state will have to be manually updated since the input
|
|
|
950 |
// is hidden offscreen and therefore couldn't be the
|
|
|
951 |
// target of the click.
|
|
|
952 |
|
|
|
953 |
oInput.set("checked", (!oInput.get("checked")));
|
|
|
954 |
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
updateCheckedState(oInput);
|
|
|
958 |
clearActiveCheckbox();
|
|
|
959 |
|
|
|
960 |
}
|
|
|
961 |
|
|
|
962 |
};
|
|
|
963 |
|
|
|
964 |
|
|
|
965 |
var onCheckboxKeyDown = function (event) {
|
|
|
966 |
|
|
|
967 |
// Style the checkbox as being active when the user presses the
|
|
|
968 |
// space bar
|
|
|
969 |
|
|
|
970 |
if (event.keyCode === 32) {
|
|
|
971 |
setActiveCheckbox(this);
|
|
|
972 |
}
|
|
|
973 |
|
|
|
974 |
};
|
|
|
975 |
|
|
|
976 |
Y.all("#checkboxes>div>span").addClass("yui-checkbox");
|
|
|
977 |
|
|
|
978 |
// Remove the "yui-checkboxes-loading" class used to hide the
|
|
|
979 |
// checkboxes now that the checkboxes have been skinned.
|
|
|
980 |
|
|
|
981 |
Y.one("#checkboxes").get("ownerDocument").get("documentElement").removeClass("yui-checkboxes-loading");
|
|
|
982 |
|
|
|
983 |
// Add the minimum number of event listeners needed to start, bind the
|
|
|
984 |
// rest when needed
|
|
|
985 |
|
|
|
986 |
Y.delegate("mousedown", onCheckboxMouseDown, "#checkboxes", ".yui-checkbox,label");
|
|
|
987 |
Y.delegate("focus", onCheckboxFocus, "#checkboxes", "input[type=checkbox]");
|
|
|
988 |
|
|
|
989 |
});</textarea></div>
|
|
|
990 |
<h4>Progressive Enhancement</h4>
|
|
|
991 |
<p>
|
|
|
992 |
The markup above will be transformed using both CSS and JavaScript. To account
|
|
|
993 |
for the scenario where the user has CSS enabled in their browser but JavaScript
|
|
|
994 |
is disabled, the CSS used to style the checkboxes will be loaded via JavaScript
|
|
|
995 |
using the YUI instance's <a href="http://developer.yahoo.com/yui/3/yui#loader">built-in Loader</a>.
|
|
|
996 |
Additionally, a small block of JavaScript will be placed in the
|
|
|
997 |
<code><head></code> — used to temporarily hide the markup
|
|
|
998 |
while the JavaScript and CSS are in the process of loading to prevent the user
|
|
|
999 |
from seeing a flash unstyled content.
|
|
|
1000 |
</p>
|
|
|
1001 |
<div id="syntax4" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">(</span><span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> base<span class="sy0">:</span> <span class="st0">"../../build/"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Load the stylesheet for the skinned checkboxes via JavaScript, </span></div></li><li class="li1"><div class="de1"> <span class="co1">// since without JavaScript skinning of the checkboxes wouldn't </span></div></li><li class="li1"><div class="de1"> <span class="co1">// be possible.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> modules<span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="st0">"checkboxcss"</span><span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> type<span class="sy0">:</span> <span class="st0">"css"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.css"</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> <span class="st0">"checkboxjs"</span><span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> type<span class="sy0">:</span> <span class="st0">"js"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.js"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> requires<span class="sy0">:</span> <span class="br0">[</span><span class="st0">"classnamemanager"</span><span class="sy0">,</span> <span class="st0">"event-focus"</span><span class="sy0">,</span> <span class="st0">"node-event-delegate"</span><span class="sy0">,</span> <span class="st0">"checkboxcss"</span><span class="br0">]</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"checkboxjs"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="sy0">,</span> result<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// The callback supplied to use() will be executed regardless of</span></div></li><li class="li1"><div class="de1"> <span class="co1">// whether the operation was successful or not. The second parameter</span></div></li><li class="li1"><div class="de1"> <span class="co1">// is a result object that has the status of the operation. We can</span></div></li><li class="li1"><div class="de1"> <span class="co1">// use this to try to recover from failures or timeouts.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>result.<span class="me1">success</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">log</span><span class="br0">(</span><span class="st0">"Load failure: "</span> <span class="sy0">+</span> result.<span class="me1">msg</span><span class="sy0">,</span> <span class="st0">"warn"</span><span class="sy0">,</span> <span class="st0">"Example"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Show the checkboxes if the loader failed that way the original </span></div></li><li class="li2"><div class="de2"> <span class="co1">// unskinned checkboxes will be visible so that the user can</span></div></li><li class="li1"><div class="de1"> <span class="co1">// interact with them either way.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> document.<span class="me1">documentElement</span>.<span class="me1">className</span> <span class="sy0">=</span> <span class="st0">""</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">(</span><span class="br0">{</span>
|
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|
1002 |
|
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|
1003 |
base<span class="sy0">:</span> <span class="st0">"../../build/"</span><span class="sy0">,</span>
|
|
|
1004 |
|
|
|
1005 |
<span class="co1">// Load the stylesheet for the skinned checkboxes via JavaScript, </span>
|
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|
1006 |
<span class="co1">// since without JavaScript skinning of the checkboxes wouldn't </span>
|
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|
1007 |
<span class="co1">// be possible.</span>
|
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1008 |
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1009 |
modules<span class="sy0">:</span> <span class="br0">{</span>
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1010 |
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1011 |
<span class="st0">"checkboxcss"</span><span class="sy0">:</span> <span class="br0">{</span>
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1012 |
type<span class="sy0">:</span> <span class="st0">"css"</span><span class="sy0">,</span>
|
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|
1013 |
fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.css"</span>
|
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1014 |
<span class="br0">}</span><span class="sy0">,</span>
|
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1015 |
<span class="st0">"checkboxjs"</span><span class="sy0">:</span> <span class="br0">{</span>
|
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1016 |
type<span class="sy0">:</span> <span class="st0">"js"</span><span class="sy0">,</span>
|
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|
1017 |
fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.js"</span><span class="sy0">,</span>
|
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|
1018 |
requires<span class="sy0">:</span> <span class="br0">[</span><span class="st0">"classnamemanager"</span><span class="sy0">,</span> <span class="st0">"event-focus"</span><span class="sy0">,</span> <span class="st0">"node-event-delegate"</span><span class="sy0">,</span> <span class="st0">"checkboxcss"</span><span class="br0">]</span>
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1019 |
<span class="br0">}</span>
|
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1020 |
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|
1021 |
<span class="br0">}</span>
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1022 |
|
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|
1023 |
<span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"checkboxjs"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="sy0">,</span> result<span class="br0">)</span> <span class="br0">{</span>
|
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|
1024 |
|
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|
1025 |
<span class="co1">// The callback supplied to use() will be executed regardless of</span>
|
|
|
1026 |
<span class="co1">// whether the operation was successful or not. The second parameter</span>
|
|
|
1027 |
<span class="co1">// is a result object that has the status of the operation. We can</span>
|
|
|
1028 |
<span class="co1">// use this to try to recover from failures or timeouts.</span>
|
|
|
1029 |
|
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|
1030 |
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>result.<span class="me1">success</span><span class="br0">)</span> <span class="br0">{</span>
|
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|
1031 |
|
|
|
1032 |
Y.<span class="me1">log</span><span class="br0">(</span><span class="st0">"Load failure: "</span> <span class="sy0">+</span> result.<span class="me1">msg</span><span class="sy0">,</span> <span class="st0">"warn"</span><span class="sy0">,</span> <span class="st0">"Example"</span><span class="br0">)</span><span class="sy0">;</span>
|
|
|
1033 |
|
|
|
1034 |
<span class="co1">// Show the checkboxes if the loader failed that way the original </span>
|
|
|
1035 |
<span class="co1">// unskinned checkboxes will be visible so that the user can</span>
|
|
|
1036 |
<span class="co1">// interact with them either way.</span>
|
|
|
1037 |
|
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|
1038 |
document.<span class="me1">documentElement</span>.<span class="me1">className</span> <span class="sy0">=</span> <span class="st0">""</span><span class="sy0">;</span>
|
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|
1039 |
|
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|
1040 |
<span class="br0">}</span>
|
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|
1041 |
|
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|
1042 |
<span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span>
|
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|
1043 |
</pre></div><textarea id="syntax4-plain">YUI({
|
|
|
1044 |
|
|
|
1045 |
base: "../../build/",
|
|
|
1046 |
|
|
|
1047 |
// Load the stylesheet for the skinned checkboxes via JavaScript,
|
|
|
1048 |
// since without JavaScript skinning of the checkboxes wouldn't
|
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|
1049 |
// be possible.
|
|
|
1050 |
|
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|
1051 |
modules: {
|
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|
1052 |
|
|
|
1053 |
"checkboxcss": {
|
|
|
1054 |
type: "css",
|
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|
1055 |
fullpath: "assets/checkbox.css"
|
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|
1056 |
},
|
|
|
1057 |
"checkboxjs": {
|
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|
1058 |
type: "js",
|
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|
1059 |
fullpath: "assets/checkbox.js",
|
|
|
1060 |
requires: ["classnamemanager", "event-focus", "node-event-delegate", "checkboxcss"]
|
|
|
1061 |
}
|
|
|
1062 |
|
|
|
1063 |
}
|
|
|
1064 |
|
|
|
1065 |
}).use("checkboxjs", function(Y, result) {
|
|
|
1066 |
|
|
|
1067 |
// The callback supplied to use() will be executed regardless of
|
|
|
1068 |
// whether the operation was successful or not. The second parameter
|
|
|
1069 |
// is a result object that has the status of the operation. We can
|
|
|
1070 |
// use this to try to recover from failures or timeouts.
|
|
|
1071 |
|
|
|
1072 |
if (!result.success) {
|
|
|
1073 |
|
|
|
1074 |
Y.log("Load failure: " + result.msg, "warn", "Example");
|
|
|
1075 |
|
|
|
1076 |
// Show the checkboxes if the loader failed that way the original
|
|
|
1077 |
// unskinned checkboxes will be visible so that the user can
|
|
|
1078 |
// interact with them either way.
|
|
|
1079 |
|
|
|
1080 |
document.documentElement.className = "";
|
|
|
1081 |
|
|
|
1082 |
}
|
|
|
1083 |
|
|
|
1084 |
});
|
|
|
1085 |
</textarea></div> </div>
|
|
|
1086 |
<div class="yui-u sidebar">
|
|
|
1087 |
|
|
|
1088 |
|
|
|
1089 |
<div id="examples" class="mod box4">
|
|
|
1090 |
<div class="hd">
|
|
|
1091 |
<h4>
|
|
|
1092 |
Event Examples:</h4>
|
|
|
1093 |
</div>
|
|
|
1094 |
<div class="bd">
|
|
|
1095 |
<ul>
|
|
|
1096 |
<li><a href='../event/event-simple.html'>Simple DOM Events</a></li><li><a href='../event/event-timing.html'>Using 'available', 'contentready', and 'domready'</a></li><li><a href='../event/event-ce.html'>Using Custom Events</a></li><li class='selected'><a href='../event/event-focus-blur.html'>Skinning via Progressive Enhancement using the Event Utility and the Loader</a></li><li><a href='../yui/yui-augment.html'>Compose Classes of Objects with <code>augment</code> (included with examples for The YUI Global Object)</a></li><li><a href='../node-focusmanager/node-focusmanager-3.html'>Accessible Menu Button (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../node-focusmanager/node-focusmanager-2.html'>Accessible TabView (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../attribute/attribute-event.html'>Attribute Change Events (included with examples for Attribute)</a></li><li><a href='../attribute/attribute-event-speeddate.html'>Attribute Event Based Speed Dating (included with examples for Attribute)</a></li><li><a href='../attribute/attribute-getset.html'>Attribute Getters, Setters and Validators (included with examples for Attribute)</a></li><li><a href='../widget/widget-extend.html'>Extending the base widget class (included with examples for Widget)</a></li><li><a href='../dd/photo-browser.html'>Photo Browser (included with examples for Drag & Drop)</a></li> </ul>
|
|
|
1097 |
</div>
|
|
|
1098 |
</div>
|
|
|
1099 |
|
|
|
1100 |
<div class="mod box4">
|
|
|
1101 |
<div class="hd">
|
|
|
1102 |
<h4>More Event Resources:</h4>
|
|
|
1103 |
</div>
|
|
|
1104 |
<div class="bd">
|
|
|
1105 |
<ul>
|
|
|
1106 |
<!-- <li><a href="http://developer.yahoo.com/yui/event/">User's Guide</a> (external)</li> -->
|
|
|
1107 |
<li><a href="../../api/module_event.html">API Documentation</a></li></ul>
|
|
|
1108 |
</div>
|
|
|
1109 |
</div>
|
|
|
1110 |
</div>
|
|
|
1111 |
</div>
|
|
|
1112 |
|
|
|
1113 |
</div>
|
|
|
1114 |
</div>
|
|
|
1115 |
|
|
|
1116 |
|
|
|
1117 |
<div class="yui-b toc3" id="tocWrapper">
|
|
|
1118 |
<!-- TABLE OF CONTENTS -->
|
|
|
1119 |
<div id="toc">
|
|
|
1120 |
|
|
|
1121 |
<ul>
|
|
|
1122 |
<li class="sect first">YUI 3 Resources</li><li class="item"><a title="YUI 3 -- Yahoo! User Interface (YUI) Library" href="http://developer.yahoo.com/yui/3/">YUI 3 Web Site</a></li><li class="item"><a title="Examples of every YUI utility and control in action" href="../../examples/">YUI 3 Examples</a></li><li class="item"><a title="Instantly searchable API documentation for the entire YUI library." href="../../api/">YUI 3 API Docs</a></li><li class="item"><a title="YUI 3 Dependency Configurator -- configure your custom YUI implementation" href="http://developer.yahoo.com/yui/3/configurator">YUI 3 Dependency Configurator</a></li><li class="item"><a title="The YUI 3 Forum on YUILibrary.com" href="http://yuilibrary.com/forum/viewforum.php?f=15">YUI 3 Forums (external)</a></li><li class="item"><a title="Found a bug or a missing feature? Let us know on YUILibrary.com." href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests</a></li><li class="item"><a title="YUI is free and open, offered under a BSD license." href="http://developer.yahoo.com/yui/license.html">YUI License</a></li><li class="item"><a title="Download and fork the YUI project on GitHub" href="http://github.com/yui">YUI on Github</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUI Blog (external)</a></li><li class="sect">YUI 3 Core - Examples</li><li class="item"><a title="YUI Global Object - Functional Examples" href="../../examples/yui/index.html">YUI Global Object</a></li><li class="selected "><a title="Event - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="Node - Functional Examples" href="../../examples/node/index.html">Node</a></li><li class="sect">YUI 3 Component Infrastructure - Examples</li><li class="item"><a title="Attribute - Functional Examples" href="../../examples/attribute/index.html">Attribute</a></li><li class="item"><a title="Plugin - Functional Examples" href="../../examples/plugin/index.html">Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Widget - Functional Examples" href="../../examples/widget/index.html">Widget <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Utilities - Examples</li><li class="item"><a title="Animation - Functional Examples" href="../../examples/anim/index.html">Animation</a></li><li class="item"><a title="AsyncQueue - Functional Examples" href="../../examples/async-queue/index.html">AsyncQueue</a></li><li class="item"><a title="Browser History - Functional Examples" href="../../examples/history/index.html">Browser History</a></li><li class="item"><a title="Cache - Functional Examples" href="../../examples/cache/index.html">Cache</a></li><li class="item"><a title="Cookie - Functional Examples" href="../../examples/cookie/index.html">Cookie</a></li><li class="item"><a title="DataSchema - Functional Examples" href="../../examples/dataschema/index.html">DataSchema <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataSource - Functional Examples" href="../../examples/datasource/index.html">DataSource <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataType - Functional Examples" href="../../examples/datatype/index.html">DataType <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Drag & Drop - Functional Examples" href="../../examples/dd/index.html">Drag & Drop</a></li><li class="item"><a title="Get - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="ImageLoader - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="IO - Functional Examples" href="../../examples/io/index.html">IO</a></li><li class="item"><a title="JSON (JavaScript Object Notation) - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="Stylesheet - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="sect">YUI 3 Widgets - Examples</li><li class="item"><a title="Overlay - Functional Examples" href="../../examples/overlay/index.html">Overlay <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Slider - Functional Examples" href="../../examples/slider/index.html">Slider <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Node Plugins - Examples</li><li class="item"><a title="FocusManager Node Plugin - Functional Examples" href="../../examples/node-focusmanager/index.html">FocusManager Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="MenuNav Node Plugin - Functional Examples" href="../../examples/node-menunav/index.html">MenuNav Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 CSS - Examples</li><li class="item"><a title="YUI CSS Reset - Functional Examples" href="../../examples/cssreset/index.html">CSS Reset</a></li><li class="item"><a title="YUI Fonts - Functional Examples" href="../../examples/cssfonts/index.html">CSS Fonts</a></li><li class="item"><a title="YUI Base - Functional Examples" href="../../examples/cssbase/index.html">CSS Base</a></li><li class="sect">YUI 3 Developer Tools - Examples</li><li class="item"><a title="Console - Functional Examples" href="../../examples/console/index.html">Console <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Console Filters Plugin- Functional Examples" href="../../examples/console-filters/index.html">Plugin.ConsoleFilters <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Profiler - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="Test - Functional Examples" href="../../examples/test/index.html">Test</a></li><li class="sect">Other Useful YUI 3 Resources</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li></ul>
|
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|
1123 |
</div>
|
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|
1124 |
</div>
|
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|
1125 |
</div><!--closes bd-->
|
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|
1126 |
|
|
|
1127 |
<div id="ft">
|
|
|
1128 |
<p class="first">Copyright © 2009 Yahoo! Inc. All rights reserved.</p>
|
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|
1129 |
<p><a href="http://privacy.yahoo.com/privacy/us/devel/index.html">Privacy Policy</a> -
|
|
|
1130 |
<a href="http://docs.yahoo.com/info/terms/">Terms of Service</a> -
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|
1131 |
<a href="http://docs.yahoo.com/info/copyright/copyright.html">Copyright Policy</a> -
|
|
|
1132 |
<a href="http://careers.yahoo.com/">Job Openings</a></p>
|
|
|
1133 |
</div>
|
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|
1134 |
</div>
|
|
|
1135 |
<script language="javascript">
|
|
|
1136 |
var yuiConfig = {base:"../../build/", timeout: 10000};
|
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|
1137 |
</script>
|
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|
1138 |
<script src="../../assets/syntax.js"></script>
|
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|
1139 |
<script src="../../assets/dpSyntaxHighlighter.js"></script>
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1140 |
<script language="javascript">
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1141 |
dp.SyntaxHighlighter.HighlightAll('code');
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1142 |
</script>
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1143 |
</body>
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1144 |
</html>
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