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<!DOCTYPE html> <html> <head> <title>styles.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="jquerypp.html"> jquerypp.js </a> <a class="source" href="animate.html"> animate.js </a> <a class="source" href="compare.html"> compare.js </a> <a class="source" href="cookie.html"> cookie.js </a> <a class="source" href="dimensions.html"> dimensions.js </a> <a class="source" href="form_params.html"> form_params.js </a> <a class="source" href="range.html"> range.js </a> <a class="source" href="selection.html"> selection.js </a> <a class="source" href="styles.html"> styles.js </a> <a class="source" href="within.html"> within.js </a> <a class="source" href="default.html"> default.js </a> <a class="source" href="destroyed.html"> destroyed.js </a> <a class="source" href="drag.html"> drag.js </a> <a class="source" href="core.html"> core.js </a> <a class="source" href="limit.html"> limit.js </a> <a class="source" href="scroll.html"> scroll.js </a> <a class="source" href="step.html"> step.js </a> <a class="source" href="drop.html"> drop.js </a> <a class="source" href="fastfix.html"> fastfix.js </a> <a class="source" href="hover.html"> hover.js </a> <a class="source" href="key.html"> key.js </a> <a class="source" href="livehack.html"> livehack.js </a> <a class="source" href="pause.html"> pause.js </a> <a class="source" href="resize.html"> resize.js </a> <a class="source" href="reverse.html"> reverse.js </a> <a class="source" href="swipe.html"> swipe.js </a> <a class="source" href="json.html"> json.js </a> <a class="source" href="vector.html"> vector.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> styles.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">$</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">getComputedStyle</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">defaultView</span> <span class="o">&&</span> <span class="nb">document</span><span class="p">.</span><span class="nx">defaultView</span><span class="p">.</span><span class="nx">getComputedStyle</span><span class="p">,</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>The following variables are used to convert camelcased attribute names
into dashed names, e.g. borderWidth to border-width</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">rupper</span> <span class="o">=</span> <span class="sr">/([A-Z])/g</span><span class="p">,</span>
<span class="nx">rdashAlpha</span> <span class="o">=</span> <span class="sr">/-([a-z])/ig</span><span class="p">,</span>
<span class="nx">fcamelCase</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">all</span><span class="p">,</span> <span class="nx">letter</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">letter</span><span class="p">.</span><span class="nx">toUpperCase</span><span class="p">();</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>Returns the computed style for an elementn</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">getStyle</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">elem</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">getComputedStyle</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">getComputedStyle</span><span class="p">(</span><span class="nx">elem</span><span class="p">,</span> <span class="kc">null</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">elem</span><span class="p">.</span><span class="nx">currentStyle</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">elem</span><span class="p">.</span><span class="nx">currentStyle</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>Checks for float px and numeric values</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">rfloat</span> <span class="o">=</span> <span class="sr">/float/i</span><span class="p">,</span>
<span class="nx">rnumpx</span> <span class="o">=</span> <span class="sr">/^-?\d+(?:px)?$/i</span><span class="p">,</span>
<span class="nx">rnum</span> <span class="o">=</span> <span class="sr">/^-?\d/</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>Returns a list of styles for a given element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">$</span><span class="p">.</span><span class="nx">styles</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">styles</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">currentS</span> <span class="o">=</span> <span class="nx">getStyle</span><span class="p">(</span><span class="nx">el</span><span class="p">),</span>
<span class="nx">oldName</span><span class="p">,</span> <span class="nx">val</span><span class="p">,</span> <span class="nx">style</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">style</span><span class="p">,</span>
<span class="nx">results</span> <span class="o">=</span> <span class="p">{},</span>
<span class="nx">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="nx">left</span><span class="p">,</span> <span class="nx">rsLeft</span><span class="p">,</span> <span class="nx">camelCase</span><span class="p">,</span> <span class="nx">name</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>Go through each style</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">for</span> <span class="p">(;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">styles</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">name</span> <span class="o">=</span> <span class="nx">styles</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
<span class="nx">oldName</span> <span class="o">=</span> <span class="nx">name</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">rdashAlpha</span><span class="p">,</span> <span class="nx">fcamelCase</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">rfloat</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">name</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">support</span><span class="p">.</span><span class="nx">cssFloat</span> <span class="o">?</span> <span class="s2">"float"</span> <span class="o">:</span> <span class="s2">"styleFloat"</span><span class="p">;</span>
<span class="nx">oldName</span> <span class="o">=</span> <span class="s2">"cssFloat"</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>If we have getComputedStyle available</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">getComputedStyle</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>convert camelcased property names to dashed name</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">name</span> <span class="o">=</span> <span class="nx">name</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">rupper</span><span class="p">,</span> <span class="s2">"-$1"</span><span class="p">).</span><span class="nx">toLowerCase</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>use getPropertyValue of the current style object</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">val</span> <span class="o">=</span> <span class="nx">currentS</span><span class="p">.</span><span class="nx">getPropertyValue</span><span class="p">(</span><span class="nx">name</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>default opacity is 1</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">name</span> <span class="o">===</span> <span class="s2">"opacity"</span> <span class="o">&&</span> <span class="nx">val</span> <span class="o">===</span> <span class="s2">""</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">val</span> <span class="o">=</span> <span class="s2">"1"</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>Without getComputedStyles</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">camelCase</span> <span class="o">=</span> <span class="nx">name</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">rdashAlpha</span><span class="p">,</span> <span class="nx">fcamelCase</span><span class="p">);</span>
<span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">]</span> <span class="o">=</span> <span class="nx">currentS</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">||</span> <span class="nx">currentS</span><span class="p">[</span><span class="nx">camelCase</span><span class="p">];</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>convert to px</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">rnumpx</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">])</span> <span class="o">&&</span> <span class="nx">rnum</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">]))</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>Remember the original values</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">left</span> <span class="o">=</span> <span class="nx">style</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span>
<span class="nx">rsLeft</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">runtimeStyle</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">¶</a> </div> <p>Put in the new values to get a computed value out</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">el</span><span class="p">.</span><span class="nx">runtimeStyle</span><span class="p">.</span><span class="nx">left</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">currentStyle</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span>
<span class="nx">style</span><span class="p">.</span><span class="nx">left</span> <span class="o">=</span> <span class="nx">camelCase</span> <span class="o">===</span> <span class="s2">"fontSize"</span> <span class="o">?</span> <span class="s2">"1em"</span> <span class="o">:</span> <span class="p">(</span><span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">]</span> <span class="o">||</span> <span class="mi">0</span><span class="p">);</span>
<span class="nx">results</span><span class="p">[</span><span class="nx">oldName</span><span class="p">]</span> <span class="o">=</span> <span class="nx">style</span><span class="p">.</span><span class="nx">pixelLeft</span> <span class="o">+</span> <span class="s2">"px"</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">¶</a> </div> <p>Revert the changed values</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">style</span><span class="p">.</span><span class="nx">left</span> <span class="o">=</span> <span class="nx">left</span><span class="p">;</span>
<span class="nx">el</span><span class="p">.</span><span class="nx">runtimeStyle</span><span class="p">.</span><span class="nx">left</span> <span class="o">=</span> <span class="nx">rsLeft</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">results</span><span class="p">;</span>
<span class="p">};</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">fn</span><span class="p">.</span><span class="nx">styles</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">¶</a> </div> <p>Pass the arguments as an array to $.styles</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="nx">$</span><span class="p">.</span><span class="nx">styles</span><span class="p">(</span><span class="k">this</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">$</span><span class="p">.</span><span class="nx">makeArray</span><span class="p">(</span><span class="nx">arguments</span><span class="p">));</span>
<span class="p">};</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">;</span>
<span class="p">})(</span><span class="nx">jQuery</span><span class="p">);</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>