Andreas Hocevar
66 lines
2.3 KiB
HTML
66 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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Copyright 2010 The Closure Library Authors. All Rights Reserved.
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Use of this source code is governed by the Apache License, Version 2.0.
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See the COPYING file for details.
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-->
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<head>
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<title>goog.events.FileDropHandler Demo</title>
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<script src="../base.js"></script>
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<script>
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goog.require('goog.debug.DivConsole');
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goog.require('goog.dom');
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goog.require('goog.events.FileDropHandler');
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goog.require('goog.log');
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</script>
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<link rel="stylesheet" href="css/demo.css">
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</head>
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<body>
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<h2>Demo of goog.events.FileDropHandler</h2>
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<fieldset>
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<legend>Demo of the <strong>goog.events.FileDropHandler</strong>:</legend>
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<label>goog.events.FileDropHandler detects file drag and drop events in
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elements. Try dropping a file in the textarea below and watch the event
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log at the bottom of the page. Try dropping some text too.<br></label>
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<textarea id="drop-zone" rows="5" cols="50"></textarea>
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</fieldset>
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<fieldset class="goog-debug-panel">
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<legend>Event Log</legend>
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<div id="log" style="height: 400px;"></div>
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</fieldset>
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<script>
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var dropZone = goog.dom.getElement('drop-zone');
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var handler = new goog.events.FileDropHandler(dropZone, true);
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var logger = goog.log.getLogger('demo');
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goog.events.listen(handler, goog.events.FileDropHandler.EventType.DROP,
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function(e) {
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goog.log.log(logger, goog.log.Level.SHOUT, 'DROP event detected!');
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goog.log.info(logger, 'dataTransfer:\n' +
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goog.debug.deepExpose(e.getBrowserEvent().dataTransfer));
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var files = e.getBrowserEvent().dataTransfer.files;
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for (var i = 0; i < files.length; i++) {
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// If you want to access the filename you should try both
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// alternatives.
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var file = files[i];
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var fileName = file.name || file.fileName;
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goog.log.info(logger, 'File name: ' + fileName);
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// Sample code to upload the dropped files (commented out).
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// var xhr = new goog.net.XmlHttp();
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// xhr.open('POST', 'http://www.myserver.com/upload');
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// xhr.send(file);
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}
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});
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goog.debug.LogManager.getRoot().setLevel(goog.log.Level.FINER);
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var logconsole = new goog.debug.DivConsole(goog.dom.getElement('log'));
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logconsole.setCapturing(true);
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</script>
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</body>
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</html>
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