265 lines
19 KiB
HTML
265 lines
19 KiB
HTML
<!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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<title>YUI Library Examples: Uploader Control (experimental): Simple Uploader Example</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<link rel="stylesheet" type="text/css" href="../../assets/yui.css" >
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<style>
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/*Supplemental CSS for the YUI distribution*/
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#custom-doc { width: 95%; min-width: 950px; }
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#pagetitle {background-image: url(../../assets/bg_hd.gif);}
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#pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}
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</style>
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<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
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<!--Script and CSS includes for YUI dependencies on this page-->
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<link rel="stylesheet" type="text/css" href="../../build/button/assets/skins/sam/button.css" />
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<script type="text/javascript" src="../../build/yahoo/yahoo-min.js"></script>
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<script type="text/javascript" src="../../build/dom/dom-min.js"></script>
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<script type="text/javascript" src="../../build/event/event-min.js"></script>
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<script type="text/javascript" src="../../build/element/element-beta-min.js"></script>
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<script type="text/javascript" src="../../build/button/button-min.js"></script>
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<!--there is no custom header content for this example-->
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</head>
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<body id="yahoo-com" class=" yui-skin-sam">
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<div id="custom-doc" class="yui-t2">
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<div id="hd">
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<div id="ygunav">
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<p><em>
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<a href="http://developer.yahoo.com">Yahoo! Developer Network Home</a> <i> - </i>
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<a href="http://help.yahoo.com/help/us/ysearch">Help</a>
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</em>
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</p>
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<form action="http://search.yahoo.com/search"><label for="ygsp">YDN Site Search</label>
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<input name="vs" type="hidden" value="developer.yahoo.com">
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<input name="fr" type="hidden" value="ush-myweb">
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<input id="ygsp" name="va" size="22">
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<input type="submit" value="Search" class="ygbt"></form>
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</div>
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<div id="ygma"><a href="../../"><img src="../../assets/yui.gif" border="0" width="378" height="28"></a></div>
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<div id="pagetitle"><h1>YUI Library Examples: Uploader Control (experimental): Simple Uploader Example</h1></div>
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</div>
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<div id="bd">
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<div id="yui-main">
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<div class="yui-b">
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<div class="yui-ge">
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<div class="yui-u first example">
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<div class="promo">
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<h1>Uploader Control (experimental): Simple Uploader Example</h1>
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<div class="exampleIntro">
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<p>This example is a demonstration of the <a href="../../uploader/">YUI Uploader Control</a>'s features.</p>
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<p><strong>Note:</strong> The YUI Uploader Control requires Flash Player 9.0.45 or higher. The latest version of Flash Player is available at the <a href="http://www.adobe.com/go/getflashplayer">Adobe Flash Player Download Center</a>.</p>
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<p><strong>Note:</strong> The YUI Uploader Control requires the uploader.swf Flash file that is distributed as part of the YUI package, in the uploader/assets folder. Copy the uploader.swf to your server and set the YAHOO.Uploader.SWFURL variable to its full path.</p>
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</div>
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<div class="example-container module ">
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<div id="example-canvas" class="bd">
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<p><strong>Note:</strong> This example requires a backend component to receive uploaded files. Download the source for this example below to use on your own PHP server.</p>
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<p><a href="assets/uploader-simple.zip"><strong>Download example source.</strong></a></p>
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<p>When you have the example running on your own server, it should look like the screenshot below:</p>
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<p><img src="assets/uploader-simple.jpg" alt="Simple Uploader Example Screenshot"/></p>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</div>
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</div>
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</div>
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<h2 class="first">A Simple Use Case for the Uploader Control</h2>
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<p>Start by including all the necessary files for the Uploader and Logger controls: </p>
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<textarea name="code" class="html" cols="60" rows="5"><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>Uploader Simple Example</title>
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<!-- Required YUI files -->
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<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/2.5.0/build/fonts/fonts-min.css" />
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<script type="text/javascript" src="http://yui.yahooapis.com/2.5.0/build/yahoo-dom-event/yahoo-dom-event.js"></script>
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<script type="text/javascript" src="http://yui.yahooapis.com/2.5.0/build/element/element-beta.js"></script>
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<!-- Main Uploader script -->
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<script type="text/javascript" src="http://yui.yahooapis.com/2.5.0/build/uploader/uploader-experimental.js"></script>
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<!-- Logger CSS and JS -->
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<link type="text/css" rel="stylesheet" href="http://yui.yahooapis.com/2.5.0/build/logger/assets/skins/sam/logger.css">
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<script type="text/javascript" src="http://yui.yahooapis.com/2.5.0/build/logger/logger-min.js"></script>
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</head>
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<body class="yui-skin-sam">
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<h1>Uploader Quickstart Example</h1></textarea>
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<p> Next, we set a placeholder for the Uploader Control. The Control has a built-in logging console, so if you set the size of the div to 400x210, you'll see the internal logs of the Uploader. </p>
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<textarea name="code" class="html" cols="60" rows="5">
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<div id="uploaderPlaceHolder" style="width:400px;height:210px">
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Unable to load Flash content. The YUI File Uploader Control requires Flash Player 9.0.45 or higher.
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You can download the latest version of Flash Player from the
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<a href="http://www.adobe.com/go/getflashplayer">Adobe Flash Player Download Center</a>
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</div></textarea>
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<p> Next, we'll add two buttons, a "Browse" button, and the "Upload" button. Note that the buttons call the <code>browse()</code> and <code>upload()</code> functions, respectively. </p>
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<textarea name="code" class="html" cols="60" rows="5">
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<input type="Button" value="Browse" onClick="browse();" />
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<input type="Button" value="Upload" onClick="upload();" />
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</textarea>
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<p> We will now initialize the Logger and the Uploader controls. Note that we are also specifying the <code>SWFURL</code> property for the uploader that's different from the default (./assets/Uploader.swf): </p>
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<p> </p>
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<textarea name="code" class="JScript" cols="60" rows="5">
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<script type="text/javascript">
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this.myLogReader = new YAHOO.widget.LogReader();
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YAHOO.widget.Uploader.SWFURL = "http://yui.yahooapis.com/2.5.0/build/uploader/assets/uploader.swf";
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var uploader = new YAHOO.widget.Uploader( "uploaderPlaceHolder" );
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</textarea>
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<p> Next, we'll add the event listeners to the Uploader control, and initialize a <code>fileList</code> variable to hold the list of fileIDs and file information. </p>
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<textarea name="code" class="JScript" cols="60" rows="5">uploader.addListener('fileSelect',onFileSelect)
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uploader.addListener('uploadStart',onUploadStart);
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uploader.addListener('uploadProgress',onUploadProgress);
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uploader.addListener('uploadCancel',onUploadCancel);
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uploader.addListener('uploadComplete',onUploadComplete);
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uploader.addListener('uploadCompleteData',onUploadResponse);
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uploader.addListener('uploadError', onUploadError);
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var fileList;
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</textarea>
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<p>Next, we'll define the <code>browse()</code> and <code>upload()</code> functions that are called when the respective buttons are pressed. In the <code>browse()</code> function, we call the <code>uploader.clearFileList()</code>, to make sure that no files are left over from the previous upload (if this is the first time the page loads, then there wont be any files there to start with; but the upload queue is not automatically cleared between file selections, so unless we want it to preserve, we want to clear it). We then call the <code>uploader.browse</code> function. The first argument to that function specifies whether we want the user to be able to select multiple files. To keep this example simple, we'll restrict the user to just one file. The second argument is an array of extension filters -- in this case, we have just one, limiting the file extensions to ".jpg". We also post a message to the Logger control. </p>
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<p> </p>
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<textarea name="code" class="JScript" cols="60" rows="5">
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function browse() {
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uploader.clearFileList();
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uploader.browse(false, [{description:"Images", extensions:"*.jpg"}]);
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YAHOO.log("Started browsing for images");
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}
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</textarea>
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<p> In the <code>upload()</code> function, we go through the fileList (that's populated by the <code>onFileSelect</code> function below) and call the upload method on all of the file ids contained in it (since we are only allowing the user to select one file, there will be only one file id in the list): </p>
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<p> </p>
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<textarea name="code" class="JScript" cols="60" rows="5">
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function upload() {
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if (fileList != null) {
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for(var i in fileList) {
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uploader.upload(i, 'YOUR UPLOAD URL HERE');
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}
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}
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}
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</textarea>
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<p>Next, we'll define the functions that are called in response to the events. These are the functions we specified when we added the event listeners above: </p>
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<p> The <code>onFileSelect</code> receives the list of files and populates the <code>fileList</code> variable with it. </p>
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<p> </p>
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<textarea name="code" class="html" cols="60" rows="5">
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function onFileSelect(event) {
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fileList = event.fileList;
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YAHOO.log("Files selected");
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YAHOO.log(event);
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}
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</textarea>
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<p>The rest of the functions simply log the events they receive in the Logger. By examining the event object dump in the Logger, you will be able to see what variables are passed for each specific event (see the Getting Started for the detailed description): </p>
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<p> </p>
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<textarea name="code" class="JScript" cols="60" rows="5">
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function onUploadStart(event) {
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YAHOO.log(event);
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}
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function onUploadProgress(event) {
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YAHOO.log(event);
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}
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function onUploadComplete(event) {
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YAHOO.log(event);
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}
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function onUploadError(event) {
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YAHOO.log(event, "error");
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}
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function onUploadCancel(event) {
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YAHOO.log(event);
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}
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function onUploadResponse(event) {
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YAHOO.log(event);
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}
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</script>
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</body>
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</html>
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</textarea> </div>
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<div class="yui-u">
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<div id="examples">
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<h3 class='firstContent'>Uploader Control (experimental) Examples:</h3>
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<div id="exampleToc">
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<ul>
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<li class='selected'><a href='../uploader/uploader-simple.html'>Simple Uploader Example</a></li><li><a href='../uploader/uploader-advanced.html'>Advanced Uploader Example</a></li> </ul>
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</div>
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</div>
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<div id="module">
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<h3>More Uploader Control (experimental) Resources:</h3>
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<ul>
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<li><a href="http://developer.yahoo.com/yui/uploader/">User's Guide</a> (external)</li>
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<li><a href="../../docs/module_uploader.html">API Documentation</a></li>
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<li><a href="http://yuiblog.com/assets/pdf/cheatsheets/uploader.pdf">Cheat Sheet PDF</a> (external)</li></ul>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="yui-b" id="tocWrapper">
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<!-- TABLE OF CONTENTS -->
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<div id="toc">
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<ul>
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<li class="sect first">Yahoo! UI Library</li><li class="item"><a title="The Yahoo! User Interface Library (YUI)" href="http://developer.yahoo.com/yui/">Home (external)</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUIBlog (external)</a></li><li class="item"><a title="The Yahoo! Group YDN-JavaScript hosts the YUI community forum" href="http://tech.groups.yahoo.com/group/ydn-javascript/">YUI Discussion Forum (external)</a></li><li class="item"><a title="The YUI Library can be downloaded from SourceForge" href="http://sourceforge.net/projects/yui/">YUI on Sourceforge (external)</a></li><li class="item"><a title="Instantly searchable API documentation for the entire YUI library." href="../../docs/index.html">API Documentation</a></li><li class="item"><a title="Examples of every YUI utility and control in action" href="../../examples/">Functional Examples</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><li class="item"><a title="YUI is free and open, offered under a BSD license." href="http://developer.yahoo.com/yui/license.html">YUI License (external)</a></li><li class="sect">YUI Functional Examples</li><li class="item"><a title="The YUI Animation Utility - Functional Examples" href="../../examples/animation/index.html">Animation</a></li><li class="item"><a title="The YUI AutoComplete Control - Functional Examples" href="../../examples/autocomplete/index.html">AutoComplete</a></li><li class="item"><a title="The YUI Browser History Manager - Functional Examples" href="../../examples/history/index.html">Browser History Manager</a></li><li class="item"><a title="The YUI Button Control - Functional Examples" href="../../examples/button/index.html">Button</a></li><li class="item"><a title="The YUI Calendar Control - Functional Examples" href="../../examples/calendar/index.html">Calendar</a></li><li class="item"><a title="The YUI Charts Control - Functional Examples" href="../../examples/charts/index.html">Charts (experimental)</a></li><li class="item"><a title="The YUI Color Picker Control - Functional Examples" href="../../examples/colorpicker/index.html">Color Picker</a></li><li class="item"><a title="The YUI Cookie Utility - Functional Examples" href="../../examples/cookie/index.html">Cookie (beta)</a></li><li class="item"><a title="The YUI Connection Manager (AJAX) - Functional Examples" href="../../examples/connection/index.html">Connection Manager</a></li><li class="item"><a title="The YUI Container Family (Module, Overlay, Tooltip, Panel, Dialog, SimpleDialog) - Functional Examples" href="../../examples/container/index.html">Container</a></li><li class="item"><a title="The YUI DataTable Control - Functional Examples" href="../../examples/datatable/index.html">DataTable (beta)</a></li><li class="item"><a title="The YUI Dom Collection - Functional Examples" href="../../examples/dom/index.html">Dom</a></li><li class="item"><a title="The YUI Drag & Drop Utility - Functional Examples" href="../../examples/dragdrop/index.html">Drag & Drop</a></li><li class="item"><a title="The YUI Event Utility - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="The YUI Get Utility - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="The YUI ImageCropper Control - Functional Examples" href="../../examples/imagecropper/index.html">ImageCropper (beta)</a></li><li class="item"><a title="The YUI ImageLoader Utility - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="The YUI JSON Utility - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="The YUI Layout Manager - Functional Examples" href="../../examples/layout/index.html">Layout Manager (beta)</a></li><li class="item"><a title="The YUI Logger Control - Functional Examples" href="../../examples/logger/index.html">Logger</a></li><li class="item"><a title="The YUI Menu Control - Functional Examples" href="../../examples/menu/index.html">Menu</a></li><li class="item"><a title="The YUI Profiler Utility - Functional Examples" href="../../examples/profiler/index.html">Profiler (beta)</a></li><li class="item"><a title="The YUI ProfileViewer Control - Functional Examples" href="../../examples/profilerviewer/index.html">ProfilerViewer (beta)</a></li><li class="item"><a title="The YUI Resize Utility - Functional Examples" href="../../examples/resize/index.html">Resize (beta)</a></li><li class="item"><a title="The YUI Rich Text Editor - Functional Examples" href="../../examples/editor/index.html">Rich Text Editor (beta)</a></li><li class="item"><a title="The YUI Selector Utility - Functional Examples" href="../../examples/selector/index.html">Selector (beta)</a></li><li class="item"><a title="The YUI Slider Control - Functional Examples" href="../../examples/slider/index.html">Slider</a></li><li class="item"><a title="The YUI TabView Control - Functional Examples" href="../../examples/tabview/index.html">TabView</a></li><li class="item"><a title="The YUI TreeView Control - Functional Examples" href="../../examples/treeview/index.html">TreeView</a></li><li class="selected "><a title="The YUI Uploader Utility - Functional Examples" href="../../examples/uploader/index.html">Uploader (experimental)</a></li><li class="item"><a title="The YUI YAHOO Global Object - Functional Examples" href="../../examples/yahoo/index.html">YAHOO Global Object</a></li><li class="item"><a title="The YUI Loader Utility - Functional Examples" href="../../examples/yuiloader/index.html">YUI Loader (beta)</a></li><li class="item"><a title="The YUI Test Utility - Functional Examples" href="../../examples/yuitest/index.html">YUI Test</a></li><li class="item"><a title="YUI Reset CSS - Functional Examples" href="../../examples/reset/index.html">Reset CSS</a></li><li class="item"><a title="YUI Base CSS - Functional Examples" href="../../examples/base/index.html">Base CSS</a></li><li class="item"><a title="YUI Fonts CSS - Functional Examples" href="../../examples/fonts/index.html">Fonts CSS</a></li><li class="item"><a title="YUI Grids CSS - Functional Examples" href="../../examples/grids/index.html">Grids CSS</a></li><li class="sect">YUI Articles on the YUI Website</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="Reporting Bugs and Making Feature Requests for YUI Components" href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests (external)</a></li><li class="item"><a title="Serve YUI source files from Yahoo! -- free, fast, and simple" href="http://developer.yahoo.com/yui/articles/hosting/">Serving YUI Files from Yahoo! (external)</a></li><li class="item"><a title="Best practices for working with web services while protecting user privacy" href="http://developer.yahoo.com/security/">Security Best Practices (external)</a></li></ul>
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</div>
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</div>
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</div><!--closes bd-->
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<div id="ft">
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<p class="first">Copyright © 2008 Yahoo! Inc. All rights reserved.</p>
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<p><a href="http://privacy.yahoo.com/privacy/us/devel/index.html">Privacy Policy</a> -
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<a href="http://docs.yahoo.com/info/terms/">Terms of Service</a> -
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<a href="http://docs.yahoo.com/info/copyright/copyright.html">Copyright Policy</a> -
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<a href="http://careers.yahoo.com/">Job Openings</a></p>
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</div>
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</div>
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<script src="../../assets/dpSyntaxHighlighter.js"></script>
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<script language="javascript">
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dp.SyntaxHighlighter.HighlightAll('code');
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</script>
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<script src='../../assets/YUIexamples.js'></script>
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