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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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<html> |
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<head> |
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<meta http-equiv="content-type" content="text/html; charset=utf-8"> |
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<title>Skinning via Progressive Enhancement using the Event Utility and the Loader</title> |
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<style type="text/css"> |
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/*margin and padding on body element |
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can introduce errors in determining |
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element position and are not recommended; |
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we turn them off as a foundation for YUI |
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CSS treatments. */ |
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body { |
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margin:0; |
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padding:0; |
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} |
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</style> |
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<link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" /> |
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<script type="text/javascript" src="../../build/yui/yui-min.js"></script> |
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<!--begin custom header content for this example--> |
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<style type="text/css"> |
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.yui-checkboxes-loading #checkboxes { |
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display: none; |
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} |
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</style> |
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<script type="text/javascript"> |
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// Hide the checkboxes if JavaScript is enabled to prevent |
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// the user from seeing a flash of unstyled content while |
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// the JavaScript for the checkboxes is being loaded. |
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document.documentElement.className = "yui-checkboxes-loading"; |
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</script> |
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<!--end custom header content for this example--> |
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</head> |
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<body class=" yui-skin-sam"> |
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<h1>Skinning via Progressive Enhancement using the Event Utility and the Loader</h1> |
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<div class="exampleIntro"> |
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<p> |
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Using Progressive Enhancement to skin checkboxes with the help of the |
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<a href="../../api/Loader.html">Loader</a>, |
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<a href="../../api/module_classnamemanager.html">ClassNameManager Utility</a>, |
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and the Event Utility's <code>focus</code> and <code>blur</code> events and the |
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<code>delegate</code> method. |
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</p> |
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</div> |
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== --> |
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<div id="checkboxes"> |
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<div> |
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<label for="field-1">Field 1: </label> |
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<span> |
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<span> |
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<input type="checkbox" id="field-1" name="field-1" value="1"> |
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</span> |
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</span> |
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</div> |
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<div> |
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<label for="field-2">Field 2: </label> |
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<span> |
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<span> |
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<input type="checkbox" id="field-2" name="field-2" value="2"> |
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</span> |
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</span> |
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</div> |
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<div> |
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<label for="field-3">Field 3: </label> |
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<span> |
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<span> |
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<input type="checkbox" id="field-3" name="field-3" value="3"> |
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</span> |
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</span> |
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</div> |
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</div> |
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<script type="text/javascript"> |
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YUI({ |
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base: "../../build/", |
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// Load the stylesheet for the skinned checkboxes via JavaScript, |
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// since without JavaScript skinning of the checkboxes wouldn't |
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// be possible. |
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modules: { |
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"checkboxcss": { |
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type: "css", |
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fullpath: "assets/checkbox.css" |
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}, |
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"checkboxjs": { |
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type: "js", |
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fullpath: "assets/checkbox.js", |
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requires: ["classnamemanager", "event-focus", "node-event-delegate", "checkboxcss"] |
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} |
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} |
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}).use("checkboxjs", function(Y, result) { |
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// The callback supplied to use() will be executed regardless of |
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// whether the operation was successful or not. The second parameter |
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// is a result object that has the status of the operation. We can |
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// use this to try to recover from failures or timeouts. |
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if (!result.success) { |
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Y.log("Load failure: " + result.msg, "warn", "Example"); |
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// Show the checkboxes if the loader failed that way the original |
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// unskinned checkboxes will be visible so that the user can |
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// interact with them either way. |
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document.documentElement.className = ""; |
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} |
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}); |
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</script> |
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<!--END SOURCE CODE FOR EXAMPLE =============================== --> |
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</body> |
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</html> |