chao
/
mini_cocopi


			
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							<!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.InputHandler</title>
<script src="../base.js"></script>
<script>
goog.require('goog.debug.DivConsole');
goog.require('goog.dom');
goog.require('goog.events');
goog.require('goog.events.InputHandler');
goog.require('goog.log');
</script>
<link rel="stylesheet" href="css/demo.css">
</head>
<body>
<h1>goog.events.InputHandler</h1>
<p><button onclick="addSome('text')">Add Some</button>
<input type="text" id="text"><span></span>

<p><button onclick="addSome('password')">Add Some</button>
<input type="password" id="password"><span></span>


<p><button onclick="addSome('textarea')">Add Some</button>
<textarea id="textarea"></textarea><span></span>

<br><br>
<fieldset class="goog-debug-panel">
  <legend>Event Log</legend>
  <div id="log" style="height: 400px;"></div>
</fieldset>

<script>
var $ = goog.dom.getElement;
var logger = goog.log.getLogger('demo');
var logconsole = new goog.debug.DivConsole(goog.dom.getElement('log'));

goog.debug.LogManager.getRoot().setLevel(goog.log.Level.FINER);
logconsole.setCapturing(true);

var DOM_EVENTS = ['keydown', 'keyup', 'keypress', 'change', 'cut', 'paste',
    'drop', 'input'];
var INPUTHANDLER_EVENTS =
    goog.object.getValues(goog.events.InputHandler.EventType);


function logEvent(src, e) {
  goog.log.info(logger, '[Event from ' + src + ']:  ' + e.type);
}

function addSome(id) {
  var el = $(id);
  el.value += '.';
}

function updateText(e) {
  var inputEl = e.target;
  var outputEl = inputEl.nextSibling;
  while (outputEl.hasChildNodes()) {
    outputEl.removeChild(outputEl.lastChild);
  }
  outputEl.appendChild(document.createTextNode(inputEl.value));
}


goog.object.forEach(['text', 'password', 'textarea'], function(id) {
  var el = $(id);
  var ih = new goog.events.InputHandler(el);

  goog.events.listen(ih, goog.events.InputHandler.EventType.INPUT, updateText);
  goog.events.listen(ih, INPUTHANDLER_EVENTS,
      goog.partial(logEvent, 'InputHandler'));
  goog.events.listen(el, DOM_EVENTS,
      goog.partial(logEvent, 'DOM'));
});
</script>
</body>
</html>