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+++ b/src/cm/media/js/lib/yui/yui_3.10.3/docs/datasource/datasource-polling.html Tue Jul 16 14:29:46 2013 +0200
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="utf-8">
+ <title>Example: DataSource with Polling</title>
+ <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic">
+ <link rel="stylesheet" href="../../build/cssgrids/cssgrids-min.css">
+ <link rel="stylesheet" href="../assets/css/main.css">
+ <link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css">
+ <link rel="shortcut icon" type="image/png" href="../assets/favicon.png">
+ <script src="../../build/yui/yui-min.js"></script>
+
+</head>
+<body>
+<!--
+<a href="https://github.com/yui/yui3"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a>
+-->
+<div id="doc">
+ <div id="hd">
+ <h1><img src="http://yuilibrary.com/img/yui-logo.png"></h1>
+ </div>
+
+
+ <h1>Example: DataSource with Polling</h1>
+ <div class="yui3-g">
+ <div class="yui3-u-3-4">
+ <div id="main">
+ <div class="content"><style scoped>
+/* custom styles for this example */
+#demo .output {margin-bottom:1em; padding:10px; border:1px solid #D9D9D9;}
+</style>
+
+<div class="intro">
+ <p>DataSource's Pollable extension enables polling functionality on all your DataSource instances.</p>
+</div>
+
+<div class="example yui3-skin-sam">
+ <form id="demo">
+ <h6>Poll every second for current time:</h6>
+ <input type="button" id="demo_enable" value="Start polling">
+ <input type="button" id="demo_disable" value="End polling">
+ <div id="demo_output_polling" class="output"></div>
+</form>
+
+<script type="text/javascript">
+YUI().use("dump", "node", "datasource-function", "datasource-polling", function (Y) {
+ var id,
+ myFunction = function() {
+ return new Date();
+ },
+ myDataSource = new Y.DataSource.Function({source:myFunction}),
+ request = {
+ callback: {
+ success: function(e){
+ Y.one("#demo_output_polling")
+ .setHTML("At the tone the time will be: " +
+ Y.dump(e.response.results[0].toString()));
+ },
+ failure: function(e){
+ Y.one("#demo_output_polling")
+ .setHTML("Could not retrieve data: " + e.error.message);
+ }
+ }
+ };
+
+ Y.on("click", function(e){
+ if(id) {
+ myDataSource.clearInterval(id);
+ }
+ id = myDataSource.setInterval(1000, request);
+ }, "#demo_enable");
+
+ Y.on("click", function(e){
+ myDataSource.clearInterval(id);
+ }, "#demo_disable");
+});
+</script>
+
+</div>
+
+<p>Include the <code>datasource-pollable</code> extension in your <code>Y.use()</code> statement to add the <code>setInterval()</code>, <code>clearInterval()</code>, and <code>clearAllInterval()</code> methods to all your DataSource instances.</p>
+
+<pre class="code prettyprint">YUI().use("datasource-function", "datasource-polling", function(Y) {
+ var myFunction = function() {
+ return new Date();
+ },
+ myDataSource = new Y.DataSource.Function({source:myFunction}),
+ request = {
+ callback: {
+ success: function(e){
+ Y.one("#demo_output_polling")
+ .setHTML("At the tone the time will be: " +
+ Y.dump(e.response.results[0].toString()));
+ },
+ failure: function(e){
+ Y.one("#demo_output_polling")
+ .setHTML("Could not retrieve data: " + e.error.message);
+ }
+ }
+ },
+ id = myDataSource.setInterval(1000, request); // Starts polling
+
+ myDataSource.clearInterval(id); // Ends polling
+});</pre>
+
+</div>
+ </div>
+ </div>
+
+ <div class="yui3-u-1-4">
+ <div class="sidebar">
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+ <li data-description="The Local DataSource manages retrieval of in-page data, from JavaScript arrays and objects to DOM elements.">
+ <a href="datasource-local.html">DataSource.Local</a>
+ </li>
+
+
+
+ <li data-description="The Get DataSource, which manages retrieval of data from remote sources via the Get Utility, can be useful for accessing data from cross-domain servers without the need for a proxy.">
+ <a href="datasource-get.html">DataSource.Get</a>
+ </li>
+
+
+
+ <li data-description="The IO DataSource manages retrieval of data from remote sources, via the IO Utility.">
+ <a href="datasource-io.html">DataSource.IO</a>
+ </li>
+
+
+
+ <li data-description="The Function DataSource, which manages retrieval of data from a JavaScript function, provides a highly customizeable mechanism for implementer-defined data retrieval algorithms">
+ <a href="datasource-function.html">DataSource.Function</a>
+ </li>
+
+
+
+ <li data-description="Use the DataSourceCache plugin to enable caching and reduce server calls to remote sources.">
+ <a href="datasource-caching.html">DataSource with Caching</a>
+ </li>
+
+
+
+ <li data-description="The DataSourceCache plugin supports offline caching so that cached data persists across browser sessions.">
+ <a href="datasource-offlinecache.html">DataSource with Offline Cache</a>
+ </li>
+
+
+
+ <li data-description="Use the Pollable extension to enable polling in your DataSource.">
+ <a href="datasource-polling.html">DataSource with Polling</a>
+ </li>
+
+
+
+
+ </ul>
+ </div>
+ </div>
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples That Use This Component</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ <li data-description="How to provide autocomplete suggestions using a DataSource instance.">
+ <a href="../autocomplete/ac-datasource.html">Remote Data via DataSource</a>
+ </li>
+
+
+ </ul>
+ </div>
+ </div>
+
+ </div>
+ </div>
+ </div>
+</div>
+
+<script src="../assets/vendor/prettify/prettify-min.js"></script>
+<script>prettyPrint();</script>
+
+<script>
+YUI.Env.Tests = {
+ examples: [],
+ project: '../assets',
+ assets: '../assets/datasource',
+ name: 'datasource-polling',
+ title: 'DataSource with Polling',
+ newWindow: '',
+ auto: false
+};
+YUI.Env.Tests.examples.push('datasource-local');
+YUI.Env.Tests.examples.push('datasource-get');
+YUI.Env.Tests.examples.push('datasource-io');
+YUI.Env.Tests.examples.push('datasource-function');
+YUI.Env.Tests.examples.push('datasource-caching');
+YUI.Env.Tests.examples.push('datasource-offlinecache');
+YUI.Env.Tests.examples.push('datasource-polling');
+YUI.Env.Tests.examples.push('ac-datasource');
+
+</script>
+<script src="../assets/yui/test-runner.js"></script>
+
+
+
+</body>
+</html>