416 lines
37 KiB
HTML
416 lines
37 KiB
HTML
<!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>API: element AttributeProvider.js (YUI Library)</title>
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<link rel="stylesheet" type="text/css" href="assets/api.css">
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<script type="text/javascript" src="assets/api-js"></script>
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<script type="text/javascript" src="assets/ac-js"></script>
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</head>
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<body id="yahoo-com">
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<div id="doc3" class="yui-t2">
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<div id="hd">
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<a href="http://developer.yahoo.com/yui/"><h1>Yahoo! UI Library</h1></a>
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<h3>element <span class="subtitle">2.5.1</span></h3>
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<p>
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<a href="./index.html">Yahoo! UI Library</a>
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> <a href="./module_element.html">element</a>
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> AttributeProvider.js (source view)
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</p>
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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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<form name="yui-classopts-form">
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<span id="classopts"><input type="checkbox" name="showprivate" id="showprivate" /> Show Private</span>
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<span id="classopts"><input type="checkbox" name="showprotected" id="showprotected" /> Show Protected</span>
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</form>
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<div id="srcout">
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<style>
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#doc3 #classopts { display:none; }
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</style>
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<div class="highlight" ><pre><span class="o">(</span><span class="k">function</span><span class="o">()</span> <span class="o">{</span>
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<span class="k">var</span> <span class="nx">Lang</span> <span class="o">=</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">Lang</span><span class="o">;</span>
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<span class="c">/*</span>
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<span class="c"> Copyright (c) 2006, Yahoo! Inc. All rights reserved.</span>
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<span class="c"> Code licensed under the BSD License:</span>
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<span class="c"> http://developer.yahoo.net/yui/license.txt</span>
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<span class="c"> */</span>
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<span class="c">/**</span>
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<span class="c"> * Provides and manages YAHOO.util.Attribute instances</span>
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<span class="c"> * @namespace YAHOO.util</span>
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<span class="c"> * @class AttributeProvider</span>
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<span class="c"> * @uses YAHOO.util.EventProvider</span>
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<span class="c"> */</span>
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<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">AttributeProvider</span> <span class="o">=</span> <span class="k">function</span><span class="o">()</span> <span class="o">{};</span>
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<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">AttributeProvider</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span>
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<span class="c">/**</span>
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<span class="c"> * A key-value map of Attribute configurations</span>
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<span class="c"> * @property _configs</span>
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<span class="c"> * @protected (may be used by subclasses and augmentors)</span>
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<span class="c"> * @private</span>
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<span class="c"> * @type {Object}</span>
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<span class="c"> */</span>
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<span class="nx">_configs</span><span class="o">:</span> <span class="kc">null</span><span class="o">,</span>
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<span class="c">/**</span>
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<span class="c"> * Returns the current value of the attribute.</span>
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<span class="c"> * @method get</span>
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<span class="c"> * @param {String} key The attribute whose value will be returned.</span>
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<span class="c"> */</span>
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<span class="nx">get</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">){</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
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<span class="k">var</span> <span class="nx">config</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">];</span>
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<span class="k">if</span> <span class="o">(!</span><span class="nx">config</span><span class="o">)</span> <span class="o">{</span>
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<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="nx">key</span> <span class="o">+</span> <span class="s1">' not found'</span><span class="o">,</span> <span class="s1">'error'</span><span class="o">,</span> <span class="s1">'AttributeProvider'</span><span class="o">);</span>
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<span class="k">return</span> <span class="kc">undefined</span><span class="o">;</span>
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<span class="o">}</span>
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<span class="k">return</span> <span class="nx">config</span><span class="o">.</span><span class="nx">value</span><span class="o">;</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Sets the value of a config.</span>
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<span class="c"> * @method set</span>
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<span class="c"> * @param {String} key The name of the attribute</span>
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<span class="c"> * @param {Any} value The value to apply to the attribute</span>
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<span class="c"> * @param {Boolean} silent Whether or not to suppress change events</span>
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<span class="c"> * @return {Boolean} Whether or not the value was set.</span>
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<span class="c"> */</span>
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<span class="nx">set</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">value</span><span class="o">,</span> <span class="nx">silent</span><span class="o">){</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
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<span class="k">var</span> <span class="nx">config</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">];</span>
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<span class="k">if</span> <span class="o">(!</span><span class="nx">config</span><span class="o">)</span> <span class="o">{</span>
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<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'set failed: '</span> <span class="o">+</span> <span class="nx">key</span> <span class="o">+</span> <span class="s1">' not found'</span><span class="o">,</span>
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<span class="s1">'error'</span><span class="o">,</span> <span class="s1">'AttributeProvider'</span><span class="o">);</span>
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<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
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<span class="o">}</span>
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<span class="k">return</span> <span class="nx">config</span><span class="o">.</span><span class="nx">setValue</span><span class="o">(</span><span class="nx">value</span><span class="o">,</span> <span class="nx">silent</span><span class="o">);</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Returns an array of attribute names.</span>
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<span class="c"> * @method getAttributeKeys</span>
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<span class="c"> * @return {Array} An array of attribute names.</span>
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<span class="c"> */</span>
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<span class="nx">getAttributeKeys</span><span class="o">:</span> <span class="k">function</span><span class="o">(){</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">;</span>
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<span class="k">var</span> <span class="nx">keys</span> <span class="o">=</span> <span class="o">[];</span>
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<span class="k">var</span> <span class="nx">config</span><span class="o">;</span>
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<span class="k">for</span> <span class="o">(</span><span class="k">var</span> <span class="nx">key</span> <span class="k">in</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">)</span> <span class="o">{</span>
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<span class="nx">config</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">];</span>
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<span class="k">if</span> <span class="o">(</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">,</span> <span class="nx">key</span><span class="o">)</span> <span class="o">&&</span>
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<span class="o">!</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isUndefined</span><span class="o">(</span><span class="nx">config</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
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<span class="nx">keys</span><span class="o">[</span><span class="nx">keys</span><span class="o">.</span><span class="nx">length</span><span class="o">]</span> <span class="o">=</span> <span class="nx">key</span><span class="o">;</span>
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<span class="o">}</span>
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<span class="o">}</span>
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<span class="k">return</span> <span class="nx">keys</span><span class="o">;</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Sets multiple attribute values.</span>
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<span class="c"> * @method setAttributes</span>
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<span class="c"> * @param {Object} map A key-value map of attributes</span>
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<span class="c"> * @param {Boolean} silent Whether or not to suppress change events</span>
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<span class="c"> */</span>
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<span class="nx">setAttributes</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">map</span><span class="o">,</span> <span class="nx">silent</span><span class="o">){</span>
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<span class="k">for</span> <span class="o">(</span><span class="k">var</span> <span class="nx">key</span> <span class="k">in</span> <span class="nx">map</span><span class="o">)</span> <span class="o">{</span>
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<span class="k">if</span> <span class="o">(</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">map</span><span class="o">,</span> <span class="nx">key</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">set</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">[</span><span class="nx">key</span><span class="o">],</span> <span class="nx">silent</span><span class="o">);</span>
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<span class="o">}</span>
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<span class="o">}</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Resets the specified attribute's value to its initial value.</span>
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<span class="c"> * @method resetValue</span>
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<span class="c"> * @param {String} key The name of the attribute</span>
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<span class="c"> * @param {Boolean} silent Whether or not to suppress change events</span>
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<span class="c"> * @return {Boolean} Whether or not the value was set</span>
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<span class="c"> */</span>
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<span class="nx">resetValue</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">silent</span><span class="o">){</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
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<span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">])</span> <span class="o">{</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">set</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">].</span><span class="nx">_initialConfig</span><span class="o">.</span><span class="nx">value</span><span class="o">,</span> <span class="nx">silent</span><span class="o">);</span>
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<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
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<span class="o">}</span>
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<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Sets the attribute's value to its current value.</span>
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<span class="c"> * @method refresh</span>
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<span class="c"> * @param {String | Array} key The attribute(s) to refresh</span>
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<span class="c"> * @param {Boolean} silent Whether or not to suppress change events</span>
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<span class="c"> */</span>
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<span class="nx">refresh</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">silent</span><span class="o">){</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">;</span>
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<span class="nx">key</span> <span class="o">=</span> <span class="o">(</span> <span class="o">(</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">key</span><span class="o">)</span> <span class="o">)</span> <span class="o">?</span> <span class="o">[</span><span class="nx">key</span><span class="o">]</span> <span class="o">:</span> <span class="nx">key</span> <span class="o">)</span> <span class="o">||</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">getAttributeKeys</span><span class="o">();</span>
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<span class="k">for</span> <span class="o">(</span><span class="k">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">len</span> <span class="o">=</span> <span class="nx">key</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">len</span><span class="o">;</span> <span class="o">++</span><span class="nx">i</span><span class="o">)</span> <span class="o">{</span>
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<span class="k">if</span> <span class="o">(</span> <span class="c">// only set if there is a value and not null</span>
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<span class="c"></span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">[</span><span class="nx">i</span><span class="o">]]</span> <span class="o">&&</span>
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<span class="o">!</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">isUndefined</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">[</span><span class="nx">i</span><span class="o">]].</span><span class="nx">value</span><span class="o">)</span> <span class="o">&&</span>
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<span class="o">!</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">isNull</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">[</span><span class="nx">i</span><span class="o">]].</span><span class="nx">value</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">[</span><span class="nx">i</span><span class="o">]].</span><span class="nx">refresh</span><span class="o">(</span><span class="nx">silent</span><span class="o">);</span>
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<span class="o">}</span>
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<span class="o">}</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Adds an Attribute to the AttributeProvider instance. </span>
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<span class="c"> * @method register</span>
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<span class="c"> * @param {String} key The attribute's name</span>
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<span class="c"> * @param {Object} map A key-value map containing the</span>
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<span class="c"> * attribute's properties.</span>
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<span class="c"> * @deprecated Use setAttributeConfig</span>
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<span class="c"> */</span>
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<span class="nx">register</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">)</span> <span class="o">{</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">setAttributeConfig</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">);</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Returns the attribute's properties.</span>
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<span class="c"> * @method getAttributeConfig</span>
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<span class="c"> * @param {String} key The attribute's name</span>
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<span class="c"> * @private</span>
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<span class="c"> * @return {object} A key-value map containing all of the</span>
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<span class="c"> * attribute's properties.</span>
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<span class="c"> */</span>
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<span class="nx">getAttributeConfig</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">)</span> <span class="o">{</span>
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<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
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<span class="k">var</span> <span class="nx">config</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">]</span> <span class="o">||</span> <span class="o">{};</span>
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<span class="k">var</span> <span class="nx">map</span> <span class="o">=</span> <span class="o">{};</span> <span class="c">// returning a copy to prevent overrides</span>
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<span class="c"></span>
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<span class="k">for</span> <span class="o">(</span><span class="nx">key</span> <span class="k">in</span> <span class="nx">config</span><span class="o">)</span> <span class="o">{</span>
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<span class="k">if</span> <span class="o">(</span> <span class="nx">Lang</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">config</span><span class="o">,</span> <span class="nx">key</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
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<span class="nx">map</span><span class="o">[</span><span class="nx">key</span><span class="o">]</span> <span class="o">=</span> <span class="nx">config</span><span class="o">[</span><span class="nx">key</span><span class="o">];</span>
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<span class="o">}</span>
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<span class="o">}</span>
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<span class="k">return</span> <span class="nx">map</span><span class="o">;</span>
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<span class="o">},</span>
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<span class="c">/**</span>
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<span class="c"> * Sets or updates an Attribute instance's properties. </span>
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<span class="c"> * @method setAttributeConfig</span>
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<span class="c"> * @param {String} key The attribute's name.</span>
|
|
<span class="c"> * @param {Object} map A key-value map of attribute properties</span>
|
|
<span class="c"> * @param {Boolean} init Whether or not this should become the intial config.</span>
|
|
<span class="c"> */</span>
|
|
<span class="nx">setAttributeConfig</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">,</span> <span class="nx">init</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
|
|
<span class="nx">map</span> <span class="o">=</span> <span class="nx">map</span> <span class="o">||</span> <span class="o">{};</span>
|
|
<span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">])</span> <span class="o">{</span>
|
|
<span class="nx">map</span><span class="o">.</span><span class="nx">name</span> <span class="o">=</span> <span class="nx">key</span><span class="o">;</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">createAttribute</span><span class="o">(</span><span class="nx">map</span><span class="o">);</span>
|
|
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">].</span><span class="nx">configure</span><span class="o">(</span><span class="nx">map</span><span class="o">,</span> <span class="nx">init</span><span class="o">);</span>
|
|
<span class="o">}</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="c">/**</span>
|
|
<span class="c"> * Sets or updates an Attribute instance's properties. </span>
|
|
<span class="c"> * @method configureAttribute</span>
|
|
<span class="c"> * @param {String} key The attribute's name.</span>
|
|
<span class="c"> * @param {Object} map A key-value map of attribute properties</span>
|
|
<span class="c"> * @param {Boolean} init Whether or not this should become the intial config.</span>
|
|
<span class="c"> * @deprecated Use setAttributeConfig</span>
|
|
<span class="c"> */</span>
|
|
<span class="nx">configureAttribute</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">,</span> <span class="nx">init</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">setAttributeConfig</span><span class="o">(</span><span class="nx">key</span><span class="o">,</span> <span class="nx">map</span><span class="o">,</span> <span class="nx">init</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="c">/**</span>
|
|
<span class="c"> * Resets an attribute to its intial configuration. </span>
|
|
<span class="c"> * @method resetAttributeConfig</span>
|
|
<span class="c"> * @param {String} key The attribute's name.</span>
|
|
<span class="c"> * @private</span>
|
|
<span class="c"> */</span>
|
|
<span class="nx">resetAttributeConfig</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">key</span><span class="o">){</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_configs</span> <span class="o">||</span> <span class="o">{};</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_configs</span><span class="o">[</span><span class="nx">key</span><span class="o">].</span><span class="nx">resetConfig</span><span class="o">();</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="c">// wrapper for EventProvider.subscribe</span>
|
|
<span class="c"></span> <span class="c">// to create events on the fly</span>
|
|
<span class="c"></span> <span class="nx">subscribe</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">callback</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_events</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_events</span> <span class="o">||</span> <span class="o">{};</span>
|
|
|
|
<span class="k">if</span> <span class="o">(</span> <span class="o">!(</span><span class="nx">type</span> <span class="k">in</span> <span class="k">this</span><span class="o">.</span><span class="nx">_events</span><span class="o">)</span> <span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">_events</span><span class="o">[</span><span class="nx">type</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">createEvent</span><span class="o">(</span><span class="nx">type</span><span class="o">);</span>
|
|
<span class="o">}</span>
|
|
|
|
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">EventProvider</span><span class="o">.</span><span class="nx">prototype</span><span class="o">.</span><span class="nx">subscribe</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="nx">on</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">subscribe</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="nx">addListener</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
|
|
<span class="k">this</span><span class="o">.</span><span class="nx">subscribe</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="c">/**</span>
|
|
<span class="c"> * Fires the attribute's beforeChange event. </span>
|
|
<span class="c"> * @method fireBeforeChangeEvent</span>
|
|
<span class="c"> * @param {String} key The attribute's name.</span>
|
|
<span class="c"> * @param {Obj} e The event object to pass to handlers.</span>
|
|
<span class="c"> */</span>
|
|
<span class="nx">fireBeforeChangeEvent</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">var</span> <span class="nx">type</span> <span class="o">=</span> <span class="s1">'before'</span><span class="o">;</span>
|
|
<span class="nx">type</span> <span class="o">+=</span> <span class="nx">e</span><span class="o">.</span><span class="nx">type</span><span class="o">.</span><span class="nx">charAt</span><span class="o">(</span><span class="m">0</span><span class="o">).</span><span class="nx">toUpperCase</span><span class="o">()</span> <span class="o">+</span> <span class="nx">e</span><span class="o">.</span><span class="nx">type</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="m">1</span><span class="o">)</span> <span class="o">+</span> <span class="s1">'Change'</span><span class="o">;</span>
|
|
<span class="nx">e</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="nx">type</span><span class="o">;</span>
|
|
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="nx">e</span><span class="o">.</span><span class="nx">type</span><span class="o">,</span> <span class="nx">e</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="c">/**</span>
|
|
<span class="c"> * Fires the attribute's change event. </span>
|
|
<span class="c"> * @method fireChangeEvent</span>
|
|
<span class="c"> * @param {String} key The attribute's name.</span>
|
|
<span class="c"> * @param {Obj} e The event object to pass to the handlers.</span>
|
|
<span class="c"> */</span>
|
|
<span class="nx">fireChangeEvent</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="nx">e</span><span class="o">.</span><span class="nx">type</span> <span class="o">+=</span> <span class="s1">'Change'</span><span class="o">;</span>
|
|
<span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">fireEvent</span><span class="o">(</span><span class="nx">e</span><span class="o">.</span><span class="nx">type</span><span class="o">,</span> <span class="nx">e</span><span class="o">);</span>
|
|
<span class="o">},</span>
|
|
|
|
<span class="nx">createAttribute</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">map</span><span class="o">)</span> <span class="o">{</span>
|
|
<span class="k">return</span> <span class="k">new</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">Attribute</span><span class="o">(</span><span class="nx">map</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span>
|
|
<span class="o">}</span>
|
|
<span class="o">};</span>
|
|
|
|
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">augment</span><span class="o">(</span><span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">AttributeProvider</span><span class="o">,</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">util</span><span class="o">.</span><span class="nx">EventProvider</span><span class="o">);</span>
|
|
<span class="o">})();</span>
|
|
</pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="yui-b">
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|
<div class="nav">
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|
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<div class="module">
|
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<h4>Modules</h4>
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<ul class="content">
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<li class=""><a href="module_animation.html">animation</a></li>
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<li class=""><a href="module_autocomplete.html">autocomplete</a></li>
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<li class=""><a href="module_button.html">button</a></li>
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<li class=""><a href="module_calendar.html">calendar</a></li>
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<li class=""><a href="module_charts.html">charts</a></li>
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<li class=""><a href="module_colorpicker.html">colorpicker</a></li>
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<li class=""><a href="module_connection.html">connection</a></li>
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<li class=""><a href="module_container.html">container</a></li>
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<li class=""><a href="module_cookie.html">cookie</a></li>
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<li class=""><a href="module_datasource.html">datasource</a></li>
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<li class=""><a href="module_datatable.html">datatable</a></li>
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<li class=""><a href="module_dom.html">dom</a></li>
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<li class=""><a href="module_dragdrop.html">dragdrop</a></li>
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<li class=""><a href="module_editor.html">editor</a></li>
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<li class="selected"><a href="module_element.html">element</a></li>
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<li class=""><a href="module_event.html">event</a></li>
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<li class=""><a href="module_get.html">get</a></li>
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<li class=""><a href="module_history.html">history</a></li>
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<li class=""><a href="module_imagecropper.html">imagecropper</a></li>
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<li class=""><a href="module_imageloader.html">imageloader</a></li>
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<li class=""><a href="module_json.html">json</a></li>
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<li class=""><a href="module_layout.html">layout</a></li>
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<li class=""><a href="module_logger.html">logger</a></li>
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<li class=""><a href="module_menu.html">menu</a></li>
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<li class=""><a href="module_profiler.html">profiler</a></li>
|
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<li class=""><a href="module_profilerviewer.html">profilerviewer</a></li>
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|
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<li class=""><a href="module_resize.html">resize</a></li>
|
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<li class=""><a href="module_selector.html">selector</a></li>
|
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<li class=""><a href="module_slider.html">slider</a></li>
|
|
|
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<li class=""><a href="module_tabview.html">tabview</a></li>
|
|
|
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<li class=""><a href="module_treeview.html">treeview</a></li>
|
|
|
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<li class=""><a href="module_uploader.html">uploader</a></li>
|
|
|
|
<li class=""><a href="module_yahoo.html">yahoo</a></li>
|
|
|
|
<li class=""><a href="module_yuiloader.html">yuiloader</a></li>
|
|
|
|
<li class=""><a href="module_yuitest.html">yuitest</a></li>
|
|
</ul>
|
|
</div>
|
|
|
|
<div class="module">
|
|
<h4>Classes</h4>
|
|
<ul class="content">
|
|
<li class=""><a href="YAHOO.util.Attribute.html">YAHOO.util.Attribute</a></li>
|
|
<li class=""><a href="YAHOO.util.AttributeProvider.html">YAHOO.util.AttributeProvider</a></li>
|
|
<li class=""><a href="YAHOO.util.Element.html">YAHOO.util.Element</a></li>
|
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</ul>
|
|
</div>
|
|
|
|
<div class="module">
|
|
<h4>Files</h4>
|
|
<ul class="content">
|
|
<li class=""><a href="Attribute.js.html">Attribute.js</a></li>
|
|
<li class="selected"><a href="AttributeProvider.js.html">AttributeProvider.js</a></li>
|
|
<li class=""><a href="Element.js.html">Element.js</a></li>
|
|
</ul>
|
|
</div>
|
|
|
|
|
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|
|
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div id="ft">
|
|
<hr />
|
|
Copyright © 2007 Yahoo! Inc. All rights reserved.
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</div>
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</div>
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</body>
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</html>
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