webgui/www/extras/yui/docs/TVFadeIn.js.html
2008-03-25 16:13:25 +00:00

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<title>API: treeview TVFadeIn.js (YUI Library)</title>
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<a href="http://developer.yahoo.com/yui/"><h1>Yahoo! UI Library</h1></a>
<h3>TreeView Widget&nbsp; <span class="subtitle">2.5.1</span></h3>
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<a href="./index.html">Yahoo! UI Library</a>
&gt; <a href="./module_treeview.html">treeview</a>
&gt; TVFadeIn.js (source view)
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<div class="highlight" ><pre><span class="c">/**</span>
<span class="c"> * A 1/2 second fade-in animation.</span>
<span class="c"> * @class TVFadeIn</span>
<span class="c"> * @constructor</span>
<span class="c"> * @param el {HTMLElement} the element to animate</span>
<span class="c"> * @param callback {function} function to invoke when the animation is finished</span>
<span class="c"> */</span>
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">.</span><span class="nx">TVFadeIn</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">el</span><span class="o">,</span> <span class="nx">callback</span><span class="o">)</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * The element to animate</span>
<span class="c"> * @property el</span>
<span class="c"> * @type HTMLElement</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">el</span> <span class="o">=</span> <span class="nx">el</span><span class="o">;</span>
<span class="c">/**</span>
<span class="c"> * the callback to invoke when the animation is complete</span>
<span class="c"> * @property callback</span>
<span class="c"> * @type function</span>
<span class="c"> */</span>
<span class="k">this</span><span class="o">.</span><span class="nx">callback</span> <span class="o">=</span> <span class="nx">callback</span><span class="o">;</span>
<span class="k">this</span><span class="o">.</span><span class="nx">logger</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">.</span><span class="nx">LogWriter</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">toString</span><span class="o">());</span>
<span class="o">};</span>
<span class="nx">YAHOO</span><span class="o">.</span><span class="nx">widget</span><span class="o">.</span><span class="nx">TVFadeIn</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * Performs the animation</span>
<span class="c"> * @method animate</span>
<span class="c"> */</span>
<span class="nx">animate</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">tvanim</span> <span class="o">=</span> <span class="k">this</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">s</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">el</span><span class="o">.</span><span class="nx">style</span><span class="o">;</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">opacity</span> <span class="o">=</span> <span class="m">0</span><span class="o">.</span><span class="m">1</span><span class="o">;</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">filter</span> <span class="o">=</span> <span class="s2">&quot;alpha(opacity=10)&quot;</span><span class="o">;</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">display</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">dur</span> <span class="o">=</span> <span class="m">0</span><span class="o">.</span><span class="m">4</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">a</span> <span class="o">=</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">Anim</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">el</span><span class="o">,</span> <span class="o">{</span><span class="nx">opacity</span><span class="o">:</span> <span class="o">{</span><span class="nx">from</span><span class="o">:</span> <span class="m">0</span><span class="o">.</span><span class="m">1</span><span class="o">,</span> <span class="nx">to</span><span class="o">:</span> <span class="m">1</span><span class="o">,</span> <span class="nx">unit</span><span class="o">:</span><span class="s2">&quot;&quot;</span><span class="o">}},</span> <span class="nx">dur</span><span class="o">);</span>
<span class="nx">a</span><span class="o">.</span><span class="nx">onComplete</span><span class="o">.</span><span class="nx">subscribe</span><span class="o">(</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> <span class="nx">tvanim</span><span class="o">.</span><span class="nx">onComplete</span><span class="o">();</span> <span class="o">}</span> <span class="o">);</span>
<span class="nx">a</span><span class="o">.</span><span class="nx">animate</span><span class="o">();</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Clean up and invoke callback</span>
<span class="c"> * @method onComplete</span>
<span class="c"> */</span>
<span class="nx">onComplete</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">callback</span><span class="o">();</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * toString</span>
<span class="c"> * @method toString</span>
<span class="c"> * @return {string} the string representation of the instance</span>
<span class="c"> */</span>
<span class="nx">toString</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
<span class="k">return</span> <span class="s2">&quot;TVFadeIn&quot;</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">};</span>
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