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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.dom');
goog.require('goog.events');
goog.require('goog.events.InputHandler');
</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>
<script>
var $ = goog.dom.getElement;
function addSome(id) {
var el = $(id);
el.value += '.';
}
function updateText(e) {
var inputEl = e.target;
var outputEl = inputEl.nextSibling;
while (outputEl.hasChildNodes()) {
outputEl.removeChild(outputEl.lastChild);
}
outputEl.appendChild(document.createTextNode(inputEl.value));
}
var textIh = new goog.events.InputHandler($('text'));
var passwordIh = new goog.events.InputHandler($('password'));
var textareaIh = new goog.events.InputHandler($('textarea'));
goog.events.listen(textIh, goog.events.InputHandler.EventType.INPUT,
updateText);
goog.events.listen(passwordIh, goog.events.InputHandler.EventType.INPUT,
updateText);
goog.events.listen(textareaIh, goog.events.InputHandler.EventType.INPUT,
updateText);
goog.events.listen(window, 'unload', function() {
goog.events.unlisten(textIh, goog.events.InputHandler.EventType.INPUT,
updateText);
goog.events.unlisten(passwordIh, goog.events.InputHandler.EventType.INPUT,
updateText);
goog.events.unlisten(textareaIh, goog.events.InputHandler.EventType.INPUT,
updateText);
});
</script>
</body>
</html>
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