index.html
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<!doctype html>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<title>iron-autogrow-textarea demo</title>
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<link rel="import" href="../iron-autogrow-textarea.html">
<link rel="stylesheet" href="../../paper-styles/paper-styles.html">
<link rel="import" href="../../paper-styles/demo-pages.html">
</head>
<style>
iron-autogrow-textarea {
width: 200px;
}
</style>
<body>
<div class="vertical-section-container centered">
<h4>Updating the value imperatively</h4>
<template is="dom-bind">
<div class="vertical-section">
<iron-autogrow-textarea bind-value="{{bindValue}}" id="a1"></iron-autogrow-textarea>
<br><br>
<code>bind-value</code>: <span>[[bindValue]]</span>
<p on-click="setValue">
set <code>bind-value</code> to: <br>
<textarea></textarea>
<button value="bindValue">set</button>
<br><br>
set <code>textarea.value</code> to: <br>
<textarea></textarea>
<button value="value">set</button>
</p>
</div>
</template>
<h4>Custom</h4>
<div class="vertical-section">
<p>Scrolls after 4 rows:</p>
<iron-autogrow-textarea max-rows="4"></iron-autogrow-textarea>
<p>Initial height of 4 rows</p>
<iron-autogrow-textarea rows="4"></iron-autogrow-textarea>
</div>
</div>
<script>
var scope = document.querySelector('template[is=dom-bind]');
scope.setValue = function(event) {
if (!(event.target instanceof HTMLButtonElement)) {
return;
}
var inputValue = event.target.previousElementSibling.value;
if (event.target.value == "bindValue") {
document.querySelector('iron-autogrow-textarea').bindValue = inputValue;
} else {
document.querySelector('iron-autogrow-textarea').textarea.value = inputValue;
}
}
</script>
</body>
</html>