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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>
<title>iron-form demo</title>
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<script src="https://unpkg.com/@webcomponents/webcomponentsjs@^2.0.0/webcomponents-loader.js"></script>
<!-- Ensure Web Animations polyfill is loaded since neon-animation 2.0 doesn't import it -->
<script src="https://unpkg.com/web-animations-js@^2.0.0/web-animations-next-lite.min.js"></script>
<script type="module">
import '@polymer/iron-demo-helpers/demo-snippet.js';
import '@polymer/iron-demo-helpers/demo-pages-shared-styles.js';
import '@polymer/paper-input/paper-input.js';
import '@polymer/paper-button/paper-button.js';
import '@polymer/paper-checkbox/paper-checkbox.js';
import '@polymer/paper-dropdown-menu/paper-dropdown-menu.js';
import '@polymer/paper-item/paper-item.js';
import '@polymer/paper-listbox/paper-listbox.js';
import '@polymer/paper-spinner/paper-spinner.js';
import '@polymer/paper-styles/shadow.js';
import '../iron-form.js';
import './cats-only.js';
import {html} from '@polymer/polymer/lib/utils/html-tag.js';
const template = html`
<custom-style>
<style is="custom-style" include="demo-pages-shared-styles">
input, paper-input, paper-checkbox {
margin-bottom: 8px;
}
iron-form {
@apply --shadow-elevation-2dp;
padding: 20px;
}
paper-button {
display: inline-block;
width: 45%;
text-align: center;
}
#form1 paper-button {
width: 30%;
}
paper-button:not([disabled]) {
background: #03a9f4;
color: white;
}
paper-spinner {
width: 14px;
height: 14px;
margin-right: 20px;
}
paper-spinner[hidden] {
display: none;
}
.output {
margin-top: 20px;
word-wrap: break-word;
font-family: monospace;
}
</style>
</custom-style>`;
document.body.appendChild(template.content);
</script>
</head>
<body unresolved>
<div class="vertical-section-container centered">
<h3><code>iron-form</code> works with native and custom elements, and can prevent automatic redirection</h3>
<demo-snippet>
<template>
<label>
<input type="checkbox" checked onchange="form1.allowRedirect = !this.checked;">Prevent automatic form redirection
</label>
<br><br>
<iron-form id="form1">
<form action="/foo" method="get">
<paper-input type="text" name="name" required label="Name" value="Batman"></paper-input>
<input name="foo" required>
<input type="checkbox" name="donuts" checked>I like donuts<br>
<paper-checkbox name="food" value="pizza" checked>pizza</paper-checkbox><br>
<paper-checkbox name="food" value="cheese" required>cheese</paper-checkbox>
<br>
<paper-dropdown-menu label="Cars" name="cars" required>
<paper-listbox class="dropdown-content" slot="dropdown-content">
<paper-item value="volvo">Volvo</paper-item>
<paper-item value="saab">Saab</paper-item>
<paper-item value="fiat">Fiat</paper-item>
<paper-item value="audi">Audi</paper-item>
</paper-listbox>
</paper-dropdown-menu>
<br><br>
<paper-button raised onclick="form1.submit()">Submit</paper-button>
<paper-button raised onclick="form1.reset()">Reset</paper-button>
<paper-button raised onclick="form1.validate()">Validate</paper-button>
</form>
<br>
<div class="output"></div>
</iron-form>
<script>
form1.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
});
</script>
</template>
</demo-snippet>
<h3>You can submit a form in many different ways: by manually calling <code>submit()</code>,
using a native button, or by wrapping a <code>paper-button</code> in a native button:</h3>
<demo-snippet>
<template>
<iron-form id="form2">
<form action="/foo" method="get">
<paper-input label="Name" value="Batman" name="name"></paper-input>
<input type="checkbox" required> You must check this box.
<p>Using a native button to submit the form will display
the native browser validation UI for native elements: </p>
<button type="submit">Submit</button>
<button type="reset">Reset</button>
<p>Using a custom element to submit the form will not display
the native browser validation UI:</p>
<paper-button raised onclick="form2.submit()">Submit</paper-button>
<paper-button raised onclick="form2.reset()">Reset</paper-button>
</form>
<br>
<div class="output"></div>
</iron-form>
<script>
form2.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
});
</script>
</template>
</demo-snippet>
<h3>To customize the request sent to the server, you can listen to the <code>iron-form-presubmit</code> event</h3>
<demo-snippet>
<template>
<iron-form id="form3">
<form action="/foo" method="get">
<paper-input name="name" label="Name" value="Batman" required></paper-input>
<paper-button raised onclick="form3.submit()">Submit</paper-button>
<paper-button raised onclick="form3.reset()">Reset</paper-button>
</form>
<div class="output"></div>
</iron-form>
<script>
form3.addEventListener('iron-form-presubmit', function(event) {
this.request.params['sidekick'] = 'Robin';
});
form3.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
});
</script>
</template>
</demo-snippet>
<h3>Example of an <code>iron-form</code> reacting to state changes</h3>
<p>This form will have the "Submit" button disabled until all fields
are valid, and then show a <code>paper-spinner</code> during submission.</p>
<demo-snippet>
<template>
<iron-form id="form4">
<form action="/foo" method="get">
<paper-input name="name" label="Name" required auto-validate></paper-input>
<paper-checkbox name="read" required>You must check this box</paper-checkbox><br>
<paper-button raised onclick="_delayedSubmit(event)" disabled id="form4Submit">
<paper-spinner id="spinner" hidden></paper-spinner>Submit</paper-button>
<paper-button raised onclick="form4.reset()">Reset</paper-button>
</form>
<div class="output"></div>
</iron-form>
<script>
form4.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
spinner.active = false;
spinner.hidden = true;
form4Submit.disabled = false;
});
form4.addEventListener('change', function(event) {
// Validate the entire form to see if we should enable the \`Submit\` button.
form4Submit.disabled = !form4.validate();
});
function _delayedSubmit(event) {
spinner.active = true;
spinner.hidden = false;
form4Submit.disabled = true;
// Simulate a slow server response.
setTimeout(function() {
form4.submit()
}, 1000);
}
</script>
</template>
</demo-snippet>
<h3>Iron-form respects the <code>novalidate</code> form attribute</h3>
<demo-snippet>
<template>
<iron-form id="form5">
<form method="get" action="/foo" novalidate>
<paper-input name="name" label="Name" required></paper-input>
<cats-only name="cats"></cats-only>
<input name="animal" placeholder="animal" required value="meerkat"><br>
<paper-checkbox name="cheese" required>Cheese</paper-checkbox>
<br>
<paper-button raised onclick="form5.submit()">Submit</paper-button>
<paper-button raised onclick="form5.reset()">Reset</paper-button>
</form>
<div class="output"></div>
</iron-form>
<script>
form5.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
});
</script>
</template>
</demo-snippet>
<h3><code>iron-form</code> respects nested elements</h3>
<demo-snippet>
<template>
<iron-form id="form6">
<form method="get" action="/foo">
<p>
<input name="name" label="Name" required>
<cats-only name="cats"></cats-only>
<paper-checkbox name="cheese" required>Cheese</paper-checkbox>
</p>
<input type="submit" value="Submit">
<br>
<paper-button raised onclick="form6.submit()">Submit</paper-button>
<paper-button raised onclick="form6.reset()">Reset</paper-button>
</form>
<div class="output"></div>
</iron-form>
<script>
form6.addEventListener('iron-form-submit', function(event) {
this.querySelector('.output').innerHTML = JSON.stringify(event.detail);
});
</script>
</template>
</demo-snippet>
</div>
</body>
</html>