2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
3 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
5 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
6 Code distributed by Google as part of the polymer project is also
7 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
11 `paper-toggle-button` provides a ON/OFF switch that user can toggle the state
12 by tapping or by dragging the swtich.
16 <paper-toggle-button></paper-toggle-button>
18 Styling toggle button:
20 To change the ink color for checked state:
22 paper-toggle-button::shadow paper-radio-button::shadow #ink[checked] {
26 To change the radio checked color:
28 paper-toggle-button::shadow paper-radio-button::shadow #onRadio {
29 background-color: #4285f4;
32 To change the bar color for checked state:
34 paper-toggle-button::shadow #toggleBar[checked] {
35 background-color: #4285f4;
38 To change the ink color for unchecked state:
40 paper-toggle-button::shadow paper-radio-button::shadow #ink {
44 To change the radio unchecked color:
46 paper-toggle-button::shadow paper-radio-button::shadow #offRadio {
47 border-color: #b5b5b5;
50 To change the bar color for unchecked state:
52 paper-toggle-button::shadow #toggleBar {
53 background-color: red;
57 @element paper-toggle-button
61 <link rel="import" href="../paper-radio-button/paper-radio-button.html">
63 <polymer-element name="paper-toggle-button" attributes="checked" role="button" aria-pressed="false" tabindex="0">
66 <link rel="stylesheet" href="paper-toggle-button.css">
68 <div id="toggleContainer">
70 <div id="toggleBar" checked?="{{checked}}"></div>
72 <paper-radio-button id="toggleRadio" toggles checked="{{checked}}"
73 on-trackstart="{{trackStart}}" on-trackx="{{trackx}}" on-trackend="{{trackEnd}}"></paper-radio-button>
80 Polymer('paper-toggle-button', {
83 * Fired when the checked state changes.
89 * Gets or sets the state, `true` is checked and `false` is unchecked.
97 trackStart: function(e) {
98 this._w = this.$.toggleBar.offsetLeft + this.$.toggleBar.offsetWidth;
102 trackx: function(e) {
103 this._x = Math.min(this._w,
104 Math.max(0, this.checked ? this._w + e.dx : e.dx));
105 this.$.toggleRadio.classList.add('dragging');
106 var s = this.$.toggleRadio.style;
107 s.webkitTransform = s.transform = 'translate3d(' + this._x + 'px,0,0)';
110 trackEnd: function() {
111 var s = this.$.toggleRadio.style;
112 s.webkitTransform = s.transform = null;
113 this.$.toggleRadio.classList.remove('dragging');
114 this.checked = Math.abs(this._x) > this._w / 2;
117 checkedChanged: function() {
118 this.setAttribute('aria-pressed', Boolean(this.checked));