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<div id="pagetitle"><h1>YUI Library Examples: StyleSheet: Adjusting a page theme on the fly</h1></div>
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<h2>StyleSheet: Adjusting a page theme on the fly</h2>
<div id="example" class="promo">
<div class="example-intro">
<p>In this example, we'll use a snapshot of the <a href="http://www.w3.org/TR/html401/present/styles.html">W3C HTML 4.01 specification for Style Sheets</a> and add a custom dynamic StyleSheet to apply some color and font size changes.</p>
<p>A Progressive enhancement strategy is used to extract a static form on the page into a draggable Overlay. Additionally, one of the form inputs is replaced with a Slider. Enter any valid CSS color value into the other inputs (e.g. <code>#123456</code>, <code>#135</code>, <code>rgb(0,0,0)</code>, or <code>red</code>).</p>
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<span class="first-child">
<a href="stylesheet_theme_source.html" target="_blank">View example in new window.</a>
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<h3 class="first">Full code listing</h3>
<h4 id="markup">Markup</h4>
<p>The markup as stated above is a local snapshot of the HTML 4.01 spec, but with the following markup added to the end of the <code><body></code> to show a progressive enhancement model.</p>
<div id="syntax1" class="yui-syntax-highlight yui-syntax-highlight-linenumbers"><div class="numbers"><pre class="html4strict" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="sc-1"><!-- The original body content is above --></span></div></li><li class="li1"><div class="de1"><span class="sc2"><<span class="kw2">div</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"form_container"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">form</span> <span class="kw3">class</span><span class="sy0">=</span><span class="st0">"yui-widget-bd"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"theme_form"</span> <span class="kw3">action</span><span class="sy0">=</span><span class="st0">"#"</span> <span class="kw3">method</span><span class="sy0">=</span><span class="st0">"get"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">fieldset</span>></span></div></li><li class="li2"><div class="de2"> <span class="sc2"><<span class="kw2">h3</span>></span>Update Theme<span class="sc2"><<span class="sy0">/</span><span class="kw2">h3</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"font_size"</span>></span>Font size:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"3"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"font_size"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"16px"</span>></span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"heading_color"</span>></span>Heading color:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span></div></li><li class="li2"><div class="de2"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"12"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"heading_color"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"#005A9C"</span>></span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"link_hover"</span>></span>Link hover backgound:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"12"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"link_hover"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"#ffa"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="sy0">/</span><span class="kw2">fieldset</span>></span></div></li><li class="li2"><div class="de2"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"submit"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="sy0">/</span><span class="kw2">form</span>></span></div></li><li class="li1"><div class="de1"><span class="sc2"><<span class="sy0">/</span><span class="kw2">div</span>></span></div></li></ol></pre></div><div class="nonumbers"><pre class="html4strict" style="font-family:monospace;"><span class="sc-1"><!-- The original body content is above --></span>
<span class="sc2"><<span class="kw2">div</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"form_container"</span>></span>
<span class="sc2"><<span class="kw2">form</span> <span class="kw3">class</span><span class="sy0">=</span><span class="st0">"yui-widget-bd"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"theme_form"</span> <span class="kw3">action</span><span class="sy0">=</span><span class="st0">"#"</span> <span class="kw3">method</span><span class="sy0">=</span><span class="st0">"get"</span>></span>
<span class="sc2"><<span class="kw2">fieldset</span>></span>
<span class="sc2"><<span class="kw2">h3</span>></span>Update Theme<span class="sc2"><<span class="sy0">/</span><span class="kw2">h3</span>></span>
<span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"font_size"</span>></span>Font size:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span>
<span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"3"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"font_size"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"16px"</span>></span>
<span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"heading_color"</span>></span>Heading color:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span>
<span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"12"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"heading_color"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"#005A9C"</span>></span>
<span class="sc2"><<span class="kw2">label</span> <span class="kw3">for</span><span class="sy0">=</span><span class="st0">"link_hover"</span>></span>Link hover backgound:<span class="sc2"><<span class="sy0">/</span><span class="kw2">label</span>></span>
<span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text"</span> <span class="kw3">size</span><span class="sy0">=</span><span class="st0">"12"</span> <span class="kw3">id</span><span class="sy0">=</span><span class="st0">"link_hover"</span> <span class="kw3">value</span><span class="sy0">=</span><span class="st0">"#ffa"</span>></span>
<span class="sc2"><<span class="sy0">/</span><span class="kw2">fieldset</span>></span>
<span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"submit"</span>></span>
<span class="sc2"><<span class="sy0">/</span><span class="kw2">form</span>></span>
<span class="sc2"><<span class="sy0">/</span><span class="kw2">div</span>></span></pre></div><textarea id="syntax1-plain"><!-- The original body content is above -->
<div id="form_container">
<form class="yui-widget-bd" id="theme_form" action="#" method="get">
<fieldset>
<h3>Update Theme</h3>
<label for="font_size">Font size:</label>
<input type="text" size="3" id="font_size" value="16px">
<label for="heading_color">Heading color:</label>
<input type="text" size="12" id="heading_color" value="#005A9C">
<label for="link_hover">Link hover backgound:</label>
<input type="text" size="12" id="link_hover" value="#ffa">
</fieldset>
<input type="submit">
</form>
</div></textarea></div>
<h4>JavaScript</h4>
<div id="syntax2" class="yui-syntax-highlight yui-syntax-highlight-linenumbers"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="co1">// Create a new YUI instance, requiring stylesheet, overlay, slider, and the</span></div></li><li class="li1"><div class="de1"><span class="co1">// dd-plugin to make the overlay draggable</span></div></li><li class="li1"><div class="de1">YUI<span class="br0">(</span><span class="br0">{</span>base<span class="sy0">:</span><span class="st0">"../../build/"</span><span class="sy0">,</span> timeout<span class="sy0">:</span> <span class="nu0">10000</span><span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"stylesheet"</span><span class="sy0">,</span> <span class="st0">"overlay"</span><span class="sy0">,</span> <span class="st0">"slider"</span><span class="sy0">,</span> <span class="st0">"dd-plugin"</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw2">var</span> myStyleSheet <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">StyleSheet</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> overlayContent <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'#form_container'</span><span class="br0">)</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> overlay<span class="sy0">,</span></div></li><li class="li1"><div class="de1"> slider<span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fontSizeInput<span class="sy0">,</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Create the Overlay, using the form container as the contentBox.</span></div></li><li class="li1"><div class="de1"> <span class="co1">// The form is assigned a class yui-widget-bd that will be automatically</span></div></li><li class="li1"><div class="de1"> <span class="co1">// discovered by Overlay to populate the Overlay's body section.</span></div></li><li class="li1"><div class="de1"> <span class="co1">// The overlay is positioned in the top right corner, but made draggable</span></div></li><li class="li2"><div class="de2"> <span class="co1">// using Y.Plugin.Drag, provided by the dd-plugin module.</span></div></li><li class="li1"><div class="de1"> overlay <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">Overlay</span><span class="br0">(</span><span class="br0">{</span></div></li><li class="li1"><div class="de1"> contentBox<span class="sy0">:</span> overlayContent<span class="sy0">,</span></div></li><li class="li1"><div class="de1"> width<span class="sy0">:</span> <span class="st0">'225px'</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> align<span class="sy0">:</span> <span class="br0">{</span> points<span class="sy0">:</span> <span class="br0">[</span> Y.<span class="me1">WidgetPositionExt</span>.<span class="me1">TR</span><span class="sy0">,</span> Y.<span class="me1">WidgetPositionExt</span>.<span class="me1">TR</span> <span class="br0">]</span> <span class="br0">}</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> plugins<span class="sy0">:</span> <span class="br0">[</span> Y.<span class="me1">Plugin</span>.<span class="me1">Drag</span> <span class="br0">]</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="br0">)</span>.<span class="me1">render</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Slider needs a parent element to have the sam skin class for UI skinning</span></div></li><li class="li1"><div class="de1"> overlayContent.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">'yui-skin-sam'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Progressively enhance the font-size input with a Slider</span></div></li><li class="li1"><div class="de1"> fontSizeInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'#font_size'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> fontSizeInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">'type'</span><span class="sy0">,</span><span class="st0">'hidden'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> fontSizeInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">'parentNode'</span><span class="br0">)</span>.<span class="me1">insertBefore</span><span class="br0">(</span></div></li><li class="li2"><div class="de2"> Y.<span class="me1">Node</span>.<span class="me1">create</span><span class="br0">(</span><span class="st0">'6 <div id="font_slider"></div> 36'</span><span class="br0">)</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fontSizeInput<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Create a Slider to contain font size between 6px and 36px, using the</span></div></li><li class="li1"><div class="de1"> <span class="co1">// page's current font size as the initial value.</span></div></li><li class="li2"><div class="de2"> <span class="co1">// Set up an event subscriber during construction to update the replaced</span></div></li><li class="li1"><div class="de1"> <span class="co1">// input field's value and apply the change to the StyleSheet</span></div></li><li class="li1"><div class="de1"> slider <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">Slider</span><span class="br0">(</span><span class="br0">{</span></div></li><li class="li1"><div class="de1"> boundingBox<span class="sy0">:</span> <span class="st0">'#font_slider'</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> railSize<span class="sy0">:</span> <span class="st0">'100px'</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> thumbImage<span class="sy0">:</span> Y.<span class="me1">config</span>.<span class="me1">base</span> <span class="sy0">+</span> <span class="st0">'/slider/assets/skins/sam/thumb-classic-x.png'</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> min<span class="sy0">:</span> <span class="nu0">6</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> max<span class="sy0">:</span> <span class="nu0">36</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> value<span class="sy0">:</span> parseInt<span class="br0">(</span>Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'body'</span><span class="br0">)</span>.<span class="me1">getStyle</span><span class="br0">(</span><span class="st0">'fontSize'</span><span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="nu0">13</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> after<span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> valueChange<span class="sy0">:</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> size <span class="sy0">=</span> e.<span class="me1">newVal</span> <span class="sy0">+</span> <span class="st0">'px'</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'thumb'</span><span class="br0">)</span>.<span class="me1">set</span><span class="br0">(</span><span class="st0">'title'</span><span class="sy0">,</span> size<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> fontSizeInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">'value'</span><span class="sy0">,</span> size<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'body'</span><span class="sy0">,</span> <span class="br0">{</span> fontSize<span class="sy0">:</span> size <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="br0">)</span>.<span class="me1">render</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="co1">// The color inputs are assigned keyup listeners that will update the</span></div></li><li class="li1"><div class="de1"> <span class="co1">// StyleSheet if the current input value is a valid CSS color value</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// The heading input affects all h1s, h2, and h3s</span></div></li><li class="li2"><div class="de2"> Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'keyup'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> color <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'value'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>isValidColor<span class="br0">(</span>color<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'h1, h2, h3'</span><span class="sy0">,</span> <span class="br0">{</span> color<span class="sy0">:</span> color <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#heading_color'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// The link hover affects the background color of links when they are</span></div></li><li class="li1"><div class="de1"> <span class="co1">// hovered. There is no way other than via stylesheet modification to</span></div></li><li class="li2"><div class="de2"> <span class="co1">// change pseudo-class styles.</span></div></li><li class="li1"><div class="de1"> Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'keyup'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> color <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'value'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>isValidColor<span class="br0">(</span>color<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'a:hover'</span><span class="sy0">,</span> <span class="br0">{</span> backgroundColor<span class="sy0">:</span> color <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#link_hover'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Progressive form enhancement complete, now prevent the form from</span></div></li><li class="li2"><div class="de2"> <span class="co1">// submitting normally.</span></div></li><li class="li1"><div class="de1"> Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'submit'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> e.<span class="me1">halt</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#theme_form'</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// A rudimentary validator to make sure we're not trying to set</span></div></li><li class="li1"><div class="de1"> <span class="co1">// invalid color values in StyleSheet.</span></div></li><li class="li1"><div class="de1"> <span class="kw2">function</span> isValidColor<span class="br0">(</span>v<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">return</span> <span class="co2">/^#[0-9a-f]{3}(?:[0-9a-f]{3})?$/i</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span> <span class="sy0">||</span></div></li><li class="li1"><div class="de1"> <span class="co2">/^rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)$/</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span> <span class="sy0">||</span></div></li><li class="li2"><div class="de2"> <span class="co2">/^[a-z]{3,}$/i</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;"><span class="co1">// Create a new YUI instance, requiring stylesheet, overlay, slider, and the</span>
<span class="co1">// dd-plugin to make the overlay draggable</span>
YUI<span class="br0">(</span><span class="br0">{</span>base<span class="sy0">:</span><span class="st0">"../../build/"</span><span class="sy0">,</span> timeout<span class="sy0">:</span> <span class="nu0">10000</span><span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"stylesheet"</span><span class="sy0">,</span> <span class="st0">"overlay"</span><span class="sy0">,</span> <span class="st0">"slider"</span><span class="sy0">,</span> <span class="st0">"dd-plugin"</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span>
<span class="kw2">var</span> myStyleSheet <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">StyleSheet</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">,</span>
overlayContent <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'#form_container'</span><span class="br0">)</span><span class="sy0">,</span>
overlay<span class="sy0">,</span>
slider<span class="sy0">,</span>
fontSizeInput<span class="sy0">,</span>
<span class="co1">// Create the Overlay, using the form container as the contentBox.</span>
<span class="co1">// The form is assigned a class yui-widget-bd that will be automatically</span>
<span class="co1">// discovered by Overlay to populate the Overlay's body section.</span>
<span class="co1">// The overlay is positioned in the top right corner, but made draggable</span>
<span class="co1">// using Y.Plugin.Drag, provided by the dd-plugin module.</span>
overlay <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">Overlay</span><span class="br0">(</span><span class="br0">{</span>
contentBox<span class="sy0">:</span> overlayContent<span class="sy0">,</span>
width<span class="sy0">:</span> <span class="st0">'225px'</span><span class="sy0">,</span>
align<span class="sy0">:</span> <span class="br0">{</span> points<span class="sy0">:</span> <span class="br0">[</span> Y.<span class="me1">WidgetPositionExt</span>.<span class="me1">TR</span><span class="sy0">,</span> Y.<span class="me1">WidgetPositionExt</span>.<span class="me1">TR</span> <span class="br0">]</span> <span class="br0">}</span><span class="sy0">,</span>
plugins<span class="sy0">:</span> <span class="br0">[</span> Y.<span class="me1">Plugin</span>.<span class="me1">Drag</span> <span class="br0">]</span>
<span class="br0">}</span><span class="br0">)</span>.<span class="me1">render</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// Slider needs a parent element to have the sam skin class for UI skinning</span>
overlayContent.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">'yui-skin-sam'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// Progressively enhance the font-size input with a Slider</span>
fontSizeInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'#font_size'</span><span class="br0">)</span><span class="sy0">;</span>
fontSizeInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">'type'</span><span class="sy0">,</span><span class="st0">'hidden'</span><span class="br0">)</span><span class="sy0">;</span>
fontSizeInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">'parentNode'</span><span class="br0">)</span>.<span class="me1">insertBefore</span><span class="br0">(</span>
Y.<span class="me1">Node</span>.<span class="me1">create</span><span class="br0">(</span><span class="st0">'6 <div id="font_slider"></div> 36'</span><span class="br0">)</span><span class="sy0">,</span>
fontSizeInput<span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// Create a Slider to contain font size between 6px and 36px, using the</span>
<span class="co1">// page's current font size as the initial value.</span>
<span class="co1">// Set up an event subscriber during construction to update the replaced</span>
<span class="co1">// input field's value and apply the change to the StyleSheet</span>
slider <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">Slider</span><span class="br0">(</span><span class="br0">{</span>
boundingBox<span class="sy0">:</span> <span class="st0">'#font_slider'</span><span class="sy0">,</span>
railSize<span class="sy0">:</span> <span class="st0">'100px'</span><span class="sy0">,</span>
thumbImage<span class="sy0">:</span> Y.<span class="me1">config</span>.<span class="me1">base</span> <span class="sy0">+</span> <span class="st0">'/slider/assets/skins/sam/thumb-classic-x.png'</span><span class="sy0">,</span>
min<span class="sy0">:</span> <span class="nu0">6</span><span class="sy0">,</span>
max<span class="sy0">:</span> <span class="nu0">36</span><span class="sy0">,</span>
value<span class="sy0">:</span> parseInt<span class="br0">(</span>Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">'body'</span><span class="br0">)</span>.<span class="me1">getStyle</span><span class="br0">(</span><span class="st0">'fontSize'</span><span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="nu0">13</span><span class="sy0">,</span>
after<span class="sy0">:</span> <span class="br0">{</span>
valueChange<span class="sy0">:</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span>
<span class="kw2">var</span> size <span class="sy0">=</span> e.<span class="me1">newVal</span> <span class="sy0">+</span> <span class="st0">'px'</span><span class="sy0">;</span>
<span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'thumb'</span><span class="br0">)</span>.<span class="me1">set</span><span class="br0">(</span><span class="st0">'title'</span><span class="sy0">,</span> size<span class="br0">)</span><span class="sy0">;</span>
fontSizeInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">'value'</span><span class="sy0">,</span> size<span class="br0">)</span><span class="sy0">;</span>
myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'body'</span><span class="sy0">,</span> <span class="br0">{</span> fontSize<span class="sy0">:</span> size <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="br0">}</span>
<span class="br0">}</span><span class="br0">)</span>.<span class="me1">render</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// The color inputs are assigned keyup listeners that will update the</span>
<span class="co1">// StyleSheet if the current input value is a valid CSS color value</span>
<span class="co1">// The heading input affects all h1s, h2, and h3s</span>
Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'keyup'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span>
<span class="kw2">var</span> color <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'value'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="kw1">if</span> <span class="br0">(</span>isValidColor<span class="br0">(</span>color<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'h1, h2, h3'</span><span class="sy0">,</span> <span class="br0">{</span> color<span class="sy0">:</span> color <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#heading_color'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// The link hover affects the background color of links when they are</span>
<span class="co1">// hovered. There is no way other than via stylesheet modification to</span>
<span class="co1">// change pseudo-class styles.</span>
Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'keyup'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span>
<span class="kw2">var</span> color <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">'value'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="kw1">if</span> <span class="br0">(</span>isValidColor<span class="br0">(</span>color<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
myStyleSheet.<span class="me1">set</span><span class="br0">(</span><span class="st0">'a:hover'</span><span class="sy0">,</span> <span class="br0">{</span> backgroundColor<span class="sy0">:</span> color <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#link_hover'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// Progressive form enhancement complete, now prevent the form from</span>
<span class="co1">// submitting normally.</span>
Y.<span class="me1">on</span><span class="br0">(</span><span class="st0">'submit'</span><span class="sy0">,</span> <span class="kw2">function</span> <span class="br0">(</span>e<span class="br0">)</span> <span class="br0">{</span>
e.<span class="me1">halt</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span><span class="sy0">,</span> <span class="st0">'#theme_form'</span><span class="br0">)</span><span class="sy0">;</span>
<span class="co1">// A rudimentary validator to make sure we're not trying to set</span>
<span class="co1">// invalid color values in StyleSheet.</span>
<span class="kw2">function</span> isValidColor<span class="br0">(</span>v<span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">return</span> <span class="co2">/^#[0-9a-f]{3}(?:[0-9a-f]{3})?$/i</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span> <span class="sy0">||</span>
<span class="co2">/^rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)$/</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span> <span class="sy0">||</span>
<span class="co2">/^[a-z]{3,}$/i</span>.<span class="me1">test</span><span class="br0">(</span>v<span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></pre></div><textarea id="syntax2-plain">// Create a new YUI instance, requiring stylesheet, overlay, slider, and the
// dd-plugin to make the overlay draggable
YUI({base:"../../build/", timeout: 10000}).use("stylesheet", "overlay", "slider", "dd-plugin", function (Y) {
var myStyleSheet = new Y.StyleSheet(),
overlayContent = Y.one('#form_container'),
overlay,
slider,
fontSizeInput,
// Create the Overlay, using the form container as the contentBox.
// The form is assigned a class yui-widget-bd that will be automatically
// discovered by Overlay to populate the Overlay's body section.
// The overlay is positioned in the top right corner, but made draggable
// using Y.Plugin.Drag, provided by the dd-plugin module.
overlay = new Y.Overlay({
contentBox: overlayContent,
width: '225px',
align: { points: [ Y.WidgetPositionExt.TR, Y.WidgetPositionExt.TR ] },
plugins: [ Y.Plugin.Drag ]
}).render();
// Slider needs a parent element to have the sam skin class for UI skinning
overlayContent.addClass('yui-skin-sam');
// Progressively enhance the font-size input with a Slider
fontSizeInput = Y.one('#font_size');
fontSizeInput.set('type','hidden');
fontSizeInput.get('parentNode').insertBefore(
Y.Node.create('6 <div id="font_slider"></div> 36'),
fontSizeInput);
// Create a Slider to contain font size between 6px and 36px, using the
// page's current font size as the initial value.
// Set up an event subscriber during construction to update the replaced
// input field's value and apply the change to the StyleSheet
slider = new Y.Slider({
boundingBox: '#font_slider',
railSize: '100px',
thumbImage: Y.config.base + '/slider/assets/skins/sam/thumb-classic-x.png',
min: 6,
max: 36,
value: parseInt(Y.one('body').getStyle('fontSize')) || 13,
after: {
valueChange: function (e) {
var size = e.newVal + 'px';
this.get('thumb').set('title', size);
fontSizeInput.set('value', size);
myStyleSheet.set('body', { fontSize: size });
}
}
}).render();
// The color inputs are assigned keyup listeners that will update the
// StyleSheet if the current input value is a valid CSS color value
// The heading input affects all h1s, h2, and h3s
Y.on('keyup', function (e) {
var color = this.get('value');
if (isValidColor(color)) {
myStyleSheet.set('h1, h2, h3', { color: color });
}
}, '#heading_color');
// The link hover affects the background color of links when they are
// hovered. There is no way other than via stylesheet modification to
// change pseudo-class styles.
Y.on('keyup', function (e) {
var color = this.get('value');
if (isValidColor(color)) {
myStyleSheet.set('a:hover', { backgroundColor: color });
}
}, '#link_hover');
// Progressive form enhancement complete, now prevent the form from
// submitting normally.
Y.on('submit', function (e) {
e.halt();
}, '#theme_form');
// A rudimentary validator to make sure we're not trying to set
// invalid color values in StyleSheet.
function isValidColor(v) {
return /^#[0-9a-f]{3}(?:[0-9a-f]{3})?$/i.test(v) ||
/^rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)$/.test(v) ||
/^[a-z]{3,}$/i.test(v);
}
});</textarea></div>
<h4>CSS</h4>
<p>This is the CSS added to the page to skin the Overlay and its content.</p>
<div id="syntax3" class="yui-syntax-highlight yui-syntax-highlight-linenumbers"><div class="numbers"><pre class="css" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="coMULTI">/* For supporting browsers, the overlay is rendered semi-transparent with</span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> * fancy rounded corners */</span></div></li><li class="li1"><div class="de1"><span class="re1">.yui-overlay</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background</span><span class="sy0">:</span> rgba<span class="br0">(</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">0.3</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> -moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">7px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">cursor</span><span class="sy0">:</span> move<span class="sy0">;</span></div></li><li class="li2"><div class="de2"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-overlay-content</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background</span><span class="sy0">:</span> rgba<span class="br0">(</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">0.3</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> -webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span> </div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="re1">.yui-overlay</span> form <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background</span><span class="sy0">:</span> <span class="re0">#f2fbff</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">gradient-promo.png</span><span class="br0">)</span> <span class="kw2">repeat-x</span> <span class="kw2">scroll</span> <span class="nu0">0</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">border</span><span class="sy0">:</span> <span class="re3">2px</span> <span class="kw2">solid</span> <span class="re0">#fff</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">padding</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">font-size</span><span class="sy0">:</span> <span class="re3">13px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-overlay</span> fieldset <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">border</span><span class="sy0">:</span> <span class="re3">1px</span> <span class="kw2">solid</span> <span class="re0">#bcd</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> -webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">20px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="re1">.yui-overlay</span> h3 <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">border-bottom</span><span class="sy0">:</span> <span class="re3">2px</span> <span class="kw2">solid</span> <span class="re0">#fff</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">color</span><span class="sy0">:</span> <span class="re0">#479</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">transparent</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">font-size</span><span class="sy0">:</span> <span class="re3"><span class="nu0">175</span>%</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-overlay</span> label <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">1.3em</span> <span class="nu0">0</span> <span class="re3">0.5ex</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">font-weight</span><span class="sy0">:</span> <span class="kw2">bold</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">color</span><span class="sy0">:</span> <span class="re0">#003</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="re1">.yui-overlay</span> p <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">2em</span> <span class="nu0">0</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="coMULTI">/* override the move cursor for the Slider */</span></div></li><li class="li2"><div class="de2"><span class="re1">.yui-overlay</span> <span class="re1">.yui-slider</span><span class="re2">:hover </span><span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">cursor</span><span class="sy0">:</span> <span class="kw2">default</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li></ol></pre></div><div class="nonumbers"><pre class="css" style="font-family:monospace;"><span class="coMULTI">/* For supporting browsers, the overlay is rendered semi-transparent with
* fancy rounded corners */</span>
<span class="re1">.yui-overlay</span> <span class="br0">{</span>
<span class="kw1">background</span><span class="sy0">:</span> rgba<span class="br0">(</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">128</span><span class="sy0">,</span><span class="nu0">0.3</span><span class="br0">)</span><span class="sy0">;</span>
-moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
-webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
<span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">7px</span><span class="sy0">;</span>
<span class="kw1">cursor</span><span class="sy0">:</span> move<span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay-content</span> <span class="br0">{</span>
<span class="kw1">background</span><span class="sy0">:</span> rgba<span class="br0">(</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">205</span><span class="sy0">,</span><span class="nu0">0.3</span><span class="br0">)</span><span class="sy0">;</span>
-moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
-webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
<span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay</span> form <span class="br0">{</span>
<span class="kw1">background</span><span class="sy0">:</span> <span class="re0">#f2fbff</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">gradient-promo.png</span><span class="br0">)</span> <span class="kw2">repeat-x</span> <span class="kw2">scroll</span> <span class="nu0">0</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="kw1">border</span><span class="sy0">:</span> <span class="re3">2px</span> <span class="kw2">solid</span> <span class="re0">#fff</span><span class="sy0">;</span>
-moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
-webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
<span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="kw1">padding</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="kw1">font-size</span><span class="sy0">:</span> <span class="re3">13px</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay</span> fieldset <span class="br0">{</span>
<span class="kw1">border</span><span class="sy0">:</span> <span class="re3">1px</span> <span class="kw2">solid</span> <span class="re0">#bcd</span><span class="sy0">;</span>
-moz-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
-webkit-border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
border-radius<span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span>
<span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="kw1">padding</span><span class="sy0">:</span> <span class="re3">20px</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay</span> h3 <span class="br0">{</span>
<span class="kw1">border-bottom</span><span class="sy0">:</span> <span class="re3">2px</span> <span class="kw2">solid</span> <span class="re0">#fff</span><span class="sy0">;</span>
<span class="kw1">color</span><span class="sy0">:</span> <span class="re0">#479</span><span class="sy0">;</span>
<span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">transparent</span><span class="sy0">;</span>
<span class="kw1">margin</span><span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="kw1">font-size</span><span class="sy0">:</span> <span class="re3"><span class="nu0">175</span>%</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay</span> label <span class="br0">{</span>
<span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span>
<span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">1.3em</span> <span class="nu0">0</span> <span class="re3">0.5ex</span><span class="sy0">;</span>
<span class="kw1">font-weight</span><span class="sy0">:</span> <span class="kw2">bold</span><span class="sy0">;</span>
<span class="kw1">color</span><span class="sy0">:</span> <span class="re0">#003</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="re1">.yui-overlay</span> p <span class="br0">{</span>
<span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">2em</span> <span class="nu0">0</span> <span class="nu0">0</span><span class="sy0">;</span>
<span class="br0">}</span>
<span class="coMULTI">/* override the move cursor for the Slider */</span>
<span class="re1">.yui-overlay</span> <span class="re1">.yui-slider</span><span class="re2">:hover </span><span class="br0">{</span>
<span class="kw1">cursor</span><span class="sy0">:</span> <span class="kw2">default</span><span class="sy0">;</span>
<span class="br0">}</span></pre></div><textarea id="syntax3-plain">/* For supporting browsers, the overlay is rendered semi-transparent with
* fancy rounded corners */
.yui-overlay {
background: rgba(128,128,128,0.3);
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
padding: 7px;
cursor: move;
}
.yui-overlay-content {
background: rgba(205,205,205,0.3);
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
padding: 1px;
}
.yui-overlay form {
background: #f2fbff url(gradient-promo.png) repeat-x scroll 0 0;
border: 2px solid #fff;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
margin: 0;
padding: 0;
font-size: 13px;
}
.yui-overlay fieldset {
border: 1px solid #bcd;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
margin: 0;
padding: 20px;
}
.yui-overlay h3 {
border-bottom: 2px solid #fff;
color: #479;
background: transparent;
margin: 0;
font-size: 175%;
}
.yui-overlay label {
display: block;
margin: 1.3em 0 0.5ex;
font-weight: bold;
color: #003;
}
.yui-overlay p {
margin: 2em 0 0;
}
/* override the move cursor for the Slider */
.yui-overlay .yui-slider:hover {
cursor: default;
}</textarea></div> </div>
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<div id="examples" class="mod box4">
<div class="hd">
<h4>
StyleSheet Examples:</h4>
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<li class='selected'><a href='../stylesheet/stylesheet_theme.html'>Adjusting a page theme on the fly</a></li><li><a href='../dd/photo-browser.html'>Photo Browser (included with examples for Drag & Drop)</a></li> </ul>
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<li><a href="../../api/module_stylesheet.html">API Documentation</a></li></ul>
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Examples</li><li class="item"><a title="Animation - Functional Examples" href="../../examples/anim/index.html">Animation</a></li><li class="item"><a title="AsyncQueue - Functional Examples" href="../../examples/async-queue/index.html">AsyncQueue</a></li><li class="item"><a title="Browser History - Functional Examples" href="../../examples/history/index.html">Browser History</a></li><li class="item"><a title="Cache - Functional Examples" href="../../examples/cache/index.html">Cache</a></li><li class="item"><a title="Cookie - Functional Examples" href="../../examples/cookie/index.html">Cookie</a></li><li class="item"><a title="DataSchema - Functional Examples" href="../../examples/dataschema/index.html">DataSchema <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataSource - Functional Examples" href="../../examples/datasource/index.html">DataSource <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataType - Functional Examples" href="../../examples/datatype/index.html">DataType <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Drag & Drop - Functional Examples" href="../../examples/dd/index.html">Drag & Drop</a></li><li class="item"><a title="Get - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="ImageLoader - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="IO - Functional Examples" href="../../examples/io/index.html">IO</a></li><li class="item"><a title="JSON (JavaScript Object Notation) - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="selected "><a title="Stylesheet - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="sect">YUI 3 Widgets - Examples</li><li class="item"><a title="Overlay - Functional Examples" href="../../examples/overlay/index.html">Overlay <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Slider - Functional Examples" href="../../examples/slider/index.html">Slider <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Node Plugins - Examples</li><li class="item"><a title="FocusManager Node Plugin - Functional Examples" href="../../examples/node-focusmanager/index.html">FocusManager Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="MenuNav Node Plugin - Functional Examples" href="../../examples/node-menunav/index.html">MenuNav Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 CSS - Examples</li><li class="item"><a title="YUI CSS Reset - Functional Examples" href="../../examples/cssreset/index.html">CSS Reset</a></li><li class="item"><a title="YUI Fonts - Functional Examples" href="../../examples/cssfonts/index.html">CSS Fonts</a></li><li class="item"><a title="YUI Base - Functional Examples" href="../../examples/cssbase/index.html">CSS Base</a></li><li class="sect">YUI 3 Developer Tools - Examples</li><li class="item"><a title="Console - Functional Examples" href="../../examples/console/index.html">Console <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Console Filters Plugin- Functional Examples" href="../../examples/console-filters/index.html">Plugin.ConsoleFilters <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Profiler - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="Test - Functional Examples" href="../../examples/test/index.html">Test</a></li><li class="sect">Other Useful YUI 3 Resources</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li></ul>
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