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<h3>dom <span class="subtitle">3.0.0</span></h3>
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<div class="highlight" ><pre><span class="o">(</span><span class="k">function</span><span class="o">(</span><span class="nx">Y</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">TOP</span> <span class="o">=</span> <span class="s1">'top'</span><span class="o">,</span>
<span class="nx">RIGHT</span> <span class="o">=</span> <span class="s1">'right'</span><span class="o">,</span>
<span class="nx">BOTTOM</span> <span class="o">=</span> <span class="s1">'bottom'</span><span class="o">,</span>
<span class="nx">LEFT</span> <span class="o">=</span> <span class="s1">'left'</span><span class="o">,</span>
<span class="nx">getOffsets</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">r1</span><span class="o">,</span> <span class="nx">r2</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">t</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">max</span><span class="o">(</span><span class="nx">r1</span><span class="o">[</span><span class="nx">TOP</span><span class="o">],</span> <span class="nx">r2</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]),</span>
<span class="nx">r</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="nx">r1</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">],</span> <span class="nx">r2</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]),</span>
<span class="nx">b</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">min</span><span class="o">(</span><span class="nx">r1</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">],</span> <span class="nx">r2</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]),</span>
<span class="nx">l</span> <span class="o">=</span> <span class="nb">Math</span><span class="o">.</span><span class="nx">max</span><span class="o">(</span><span class="nx">r1</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">],</span> <span class="nx">r2</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]),</span>
<span class="nx">ret</span> <span class="o">=</span> <span class="o">{};</span>
<span class="nx">ret</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]</span> <span class="o">=</span> <span class="nx">t</span><span class="o">;</span>
<span class="nx">ret</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">=</span> <span class="nx">r</span><span class="o">;</span>
<span class="nx">ret</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">=</span> <span class="nx">b</span><span class="o">;</span>
<span class="nx">ret</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]</span> <span class="o">=</span> <span class="nx">l</span><span class="o">;</span>
<span class="k">return</span> <span class="nx">ret</span><span class="o">;</span>
<span class="o">},</span>
<span class="nx">DOM</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">DOM</span><span class="o">;</span>
<span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="nx">DOM</span><span class="o">,</span> <span class="o">{</span>
<span class="c">/**</span>
<span class="c"> * Returns an Object literal containing the following about this element: (top, right, bottom, left)</span>
<span class="c"> * @method region</span>
<span class="c"> * @param {HTMLElement} element The DOM element. </span>
<span class="c"> @return {Object} Object literal containing the following about this element: (top, right, bottom, left)</span>
<span class="c"> */</span>
<span class="nx">region</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">xy</span> <span class="o">=</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">getXY</span><span class="o">(</span><span class="nx">node</span><span class="o">),</span>
<span class="nx">ret</span> <span class="o">=</span> <span class="kc">false</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">node</span> <span class="o">&&</span> <span class="nx">xy</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">ret</span> <span class="o">=</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">_getRegion</span><span class="o">(</span>
<span class="nx">xy</span><span class="o">[</span><span class="m">1</span><span class="o">],</span> <span class="c">// top</span>
<span class="c"></span> <span class="nx">xy</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">+</span> <span class="nx">node</span><span class="o">.</span><span class="nx">offsetWidth</span><span class="o">,</span> <span class="c">// right</span>
<span class="c"></span> <span class="nx">xy</span><span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">+</span> <span class="nx">node</span><span class="o">.</span><span class="nx">offsetHeight</span><span class="o">,</span> <span class="c">// bottom</span>
<span class="c"></span> <span class="nx">xy</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="c">// left</span>
<span class="c"></span> <span class="o">);</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">ret</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Find the intersect information for the passes nodes.</span>
<span class="c"> * @method intersect</span>
<span class="c"> * @param {HTMLElement} element The first element </span>
<span class="c"> * @param {HTMLElement | Object} element2 The element or region to check the interect with</span>
<span class="c"> * @param {Object} altRegion An object literal containing the region for the first element if we already have the data (for performance i.e. DragDrop)</span>
<span class="c"> @return {Object} Object literal containing the following intersection data: (top, right, bottom, left, area, yoff, xoff, inRegion)</span>
<span class="c"> */</span>
<span class="nx">intersect</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">node2</span><span class="o">,</span> <span class="nx">altRegion</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">r</span> <span class="o">=</span> <span class="nx">altRegion</span> <span class="o">||</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">region</span><span class="o">(</span><span class="nx">node</span><span class="o">),</span> <span class="nx">region</span> <span class="o">=</span> <span class="o">{},</span>
<span class="nx">n</span> <span class="o">=</span> <span class="nx">node2</span><span class="o">,</span>
<span class="nx">off</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">n</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">region</span> <span class="o">=</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">region</span><span class="o">(</span><span class="nx">n</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">node2</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">region</span> <span class="o">=</span> <span class="nx">node2</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="nx">off</span> <span class="o">=</span> <span class="nx">getOffsets</span><span class="o">(</span><span class="nx">region</span><span class="o">,</span> <span class="nx">r</span><span class="o">);</span>
<span class="k">return</span> <span class="o">{</span>
<span class="nx">top</span><span class="o">:</span> <span class="nx">off</span><span class="o">[</span><span class="nx">TOP</span><span class="o">],</span>
<span class="nx">right</span><span class="o">:</span> <span class="nx">off</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">],</span>
<span class="nx">bottom</span><span class="o">:</span> <span class="nx">off</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">],</span>
<span class="nx">left</span><span class="o">:</span> <span class="nx">off</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">],</span>
<span class="nx">area</span><span class="o">:</span> <span class="o">((</span><span class="nx">off</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">-</span> <span class="nx">off</span><span class="o">[</span><span class="nx">TOP</span><span class="o">])</span> <span class="o">*</span> <span class="o">(</span><span class="nx">off</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">-</span> <span class="nx">off</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">])),</span>
<span class="nx">yoff</span><span class="o">:</span> <span class="o">((</span><span class="nx">off</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">-</span> <span class="nx">off</span><span class="o">[</span><span class="nx">TOP</span><span class="o">])),</span>
<span class="nx">xoff</span><span class="o">:</span> <span class="o">(</span><span class="nx">off</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">-</span> <span class="nx">off</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]),</span>
<span class="nx">inRegion</span><span class="o">:</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">inRegion</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">node2</span><span class="o">,</span> <span class="kc">false</span><span class="o">,</span> <span class="nx">altRegion</span><span class="o">)</span>
<span class="o">};</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Check if any part of this node is in the passed region</span>
<span class="c"> * @method inRegion</span>
<span class="c"> * @param {Object} node2 The node to get the region from or an Object literal of the region</span>
<span class="c"> * $param {Boolean} all Should all of the node be inside the region</span>
<span class="c"> * @param {Object} altRegion An object literal containing the region for this node if we already have the data (for performance i.e. DragDrop)</span>
<span class="c"> * @return {Boolean} True if in region, false if not.</span>
<span class="c"> */</span>
<span class="nx">inRegion</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">node2</span><span class="o">,</span> <span class="nx">all</span><span class="o">,</span> <span class="nx">altRegion</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">region</span> <span class="o">=</span> <span class="o">{},</span>
<span class="nx">r</span> <span class="o">=</span> <span class="nx">altRegion</span> <span class="o">||</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">region</span><span class="o">(</span><span class="nx">node</span><span class="o">),</span>
<span class="nx">n</span> <span class="o">=</span> <span class="nx">node2</span><span class="o">,</span>
<span class="nx">off</span><span class="o">;</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">n</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">region</span> <span class="o">=</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">region</span><span class="o">(</span><span class="nx">n</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">node2</span><span class="o">))</span> <span class="o">{</span>
<span class="nx">region</span> <span class="o">=</span> <span class="nx">node2</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">all</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="o">(</span>
<span class="nx">r</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]</span> <span class="o">>=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]</span> <span class="o">&&</span>
<span class="nx">r</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o"><=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">&&</span>
<span class="nx">r</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]</span> <span class="o">>=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]</span> <span class="o">&&</span>
<span class="nx">r</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o"><=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">off</span> <span class="o">=</span> <span class="nx">getOffsets</span><span class="o">(</span><span class="nx">region</span><span class="o">,</span> <span class="nx">r</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">off</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">>=</span> <span class="nx">off</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]</span> <span class="o">&&</span> <span class="nx">off</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">>=</span> <span class="nx">off</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">])</span> <span class="o">{</span>
<span class="k">return</span> <span class="kc">true</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Check if any part of this element is in the viewport</span>
<span class="c"> * @method inViewportRegion</span>
<span class="c"> * @param {HTMLElement} element The DOM element. </span>
<span class="c"> * @param {Boolean} all Should all of the node be inside the region</span>
<span class="c"> * @param {Object} altRegion An object literal containing the region for this node if we already have the data (for performance i.e. DragDrop)</span>
<span class="c"> * @return {Boolean} True if in region, false if not.</span>
<span class="c"> */</span>
<span class="nx">inViewportRegion</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">all</span><span class="o">,</span> <span class="nx">altRegion</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">inRegion</span><span class="o">(</span><span class="nx">node</span><span class="o">,</span> <span class="nx">DOM</span><span class="o">.</span><span class="nx">viewportRegion</span><span class="o">(</span><span class="nx">node</span><span class="o">),</span> <span class="nx">all</span><span class="o">,</span> <span class="nx">altRegion</span><span class="o">);</span>
<span class="o">},</span>
<span class="nx">_getRegion</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">t</span><span class="o">,</span> <span class="nx">r</span><span class="o">,</span> <span class="nx">b</span><span class="o">,</span> <span class="nx">l</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">region</span> <span class="o">=</span> <span class="o">{};</span>
<span class="nx">region</span><span class="o">[</span><span class="nx">TOP</span><span class="o">]</span> <span class="o">=</span> <span class="nx">region</span><span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">=</span> <span class="nx">t</span><span class="o">;</span>
<span class="nx">region</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">]</span> <span class="o">=</span> <span class="nx">region</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">=</span> <span class="nx">l</span><span class="o">;</span>
<span class="nx">region</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">=</span> <span class="nx">b</span><span class="o">;</span>
<span class="nx">region</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">=</span> <span class="nx">r</span><span class="o">;</span>
<span class="nx">region</span><span class="o">.</span><span class="nx">width</span> <span class="o">=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">RIGHT</span><span class="o">]</span> <span class="o">-</span> <span class="nx">region</span><span class="o">[</span><span class="nx">LEFT</span><span class="o">];</span>
<span class="nx">region</span><span class="o">.</span><span class="nx">height</span> <span class="o">=</span> <span class="nx">region</span><span class="o">[</span><span class="nx">BOTTOM</span><span class="o">]</span> <span class="o">-</span> <span class="nx">region</span><span class="o">[</span><span class="nx">TOP</span><span class="o">];</span>
<span class="k">return</span> <span class="nx">region</span><span class="o">;</span>
<span class="o">},</span>
<span class="c">/**</span>
<span class="c"> * Returns an Object literal containing the following about the visible region of viewport: (top, right, bottom, left)</span>
<span class="c"> * @method viewportRegion</span>
<span class="c"> @return {Object} Object literal containing the following about the visible region of the viewport: (top, right, bottom, left)</span>
<span class="c"> */</span>
<span class="nx">viewportRegion</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">node</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">node</span> <span class="o">=</span> <span class="nx">node</span> <span class="o">||</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">doc</span><span class="o">.</span><span class="nx">documentElement</span><span class="o">;</span>
<span class="k">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="kc">false</span><span class="o">,</span>
<span class="nx">scrollX</span><span class="o">,</span>
<span class="nx">scrollY</span><span class="o">;</span>
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</pre></div>
</div>
</div>
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<h4>Modules</h4>
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<li class=""><a href="module_anim.html" title="anim">anim</a></li>
<li class=""><a href="module_async-queue.html" title="async-queue">async-queue</a></li>
<li class=""><a href="module_attribute.html" title="attribute">attribute</a></li>
<li class=""><a href="module_base.html" title="base">base</a></li>
<li class=""><a href="module_cache.html" title="cache">cache</a></li>
<li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li>
<li class=""><a href="module_collection.html" title="collection">collection</a></li>
<li class=""><a href="module_console.html" title="console">console</a></li>
<li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li>
<li class=""><a href="module_cookie.html" title="cookie">cookie</a></li>
<li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li>
<li class=""><a href="module_datasource.html" title="datasource">datasource</a></li>
<li class=""><a href="module_datatype.html" title="datatype">datatype</a></li>
<li class=""><a href="module_dd.html" title="dd">dd</a></li>
<li class="selected"><a href="module_dom.html" title="dom">dom</a></li>
<li class=""><a href="module_dump.html" title="dump">dump</a></li>
<li class=""><a href="module_event.html" title="event">event</a></li>
<li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li>
<li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
<li class=""><a href="module_history.html" title="history">history</a></li>
<li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
<li class=""><a href="module_io.html" title="io">io</a></li>
<li class=""><a href="module_json.html" title="json">json</a></li>
<li class=""><a href="module_node.html" title="node">node</a></li>
<li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li>
<li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li>
<li class=""><a href="module_oop.html" title="oop">oop</a></li>
<li class=""><a href="module_overlay.html" title="overlay">overlay</a></li>
<li class=""><a href="module_plugin.html" title="plugin">plugin</a></li>
<li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
<li class=""><a href="module_queue-promote.html" title="queue-promote">queue-promote</a></li>
<li class=""><a href="module_slider.html" title="slider">slider</a></li>
<li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
<li class=""><a href="module_substitute.html" title="substitute">substitute</a></li>
<li class=""><a href="module_test.html" title="test">test</a></li>
<li class=""><a href="module_widget.html" title="widget">widget</a></li>
<li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li>
<li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li>
<li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li>
<li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li>
<li class=""><a href="module_yui.html" title="yui">yui</a></li>
</ul>
</div>
<div id="classList" class="module">
<h4>Classes</h4>
<ul class="content">
<li class=""><a href="DOM.html" title="DOM">DOM</a></li>
<li class=""><a href="Selector.html" title="Selector">Selector</a></li>
</ul>
</div>
<div id="fileList" class="module">
<h4>Files</h4>
<ul class="content">
<li class=""><a href="color.js.html" title="color.js">color.js</a></li>
<li class=""><a href="dom-class.js.html" title="dom-class.js">dom-class.js</a></li>
<li class=""><a href="dom-ie-style.js.html" title="dom-ie-style.js">dom-ie-style.js</a></li>
<li class="selected"><a href="dom-region.js.html" title="dom-region.js">dom-region.js</a></li>
<li class=""><a href="dom-screen.js.html" title="dom-screen.js">dom-screen.js</a></li>
<li class=""><a href="dom-style.js.html" title="dom-style.js">dom-style.js</a></li>
<li class=""><a href="dom.js.html" title="dom.js">dom.js</a></li>
<li class=""><a href="selector-css2.js.html" title="selector-css2.js">selector-css2.js</a></li>
<li class=""><a href="selector-css3.js.html" title="selector-css3.js">selector-css3.js</a></li>
<li class=""><a href="selector-native.js.html" title="selector-native.js">selector-native.js</a></li>
</ul>
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