simple-element.html
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<!--
@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
-->
<link rel="import" href="../../polymer/polymer.html">
<link rel="import" href="../../iron-form-element-behavior/iron-form-element-behavior.html">
<link rel="import" href="../../iron-validatable-behavior/iron-validatable-behavior.html">
<dom-module id="simple-element">
<style>
:host([invalid]) input {
border-color: red;
}
</style>
<template>
<input value="{{value}}" id="input">
</template>
</dom-module>
<script>
Polymer({
is: 'simple-element',
behaviors: [
Polymer.IronFormElementBehavior,
Polymer.IronValidatableBehavior
],
listeners: {
'input': '_onInput'
},
_onInput: function() {
this.value = this.$.input.value;
},
// Overidden from Polymer.IronValidatableBehavior. Will set the `invalid`
// attribute automatically, which should be used for styling.
_getValidity: function() {
return !!this.value;
}
});
</script>