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