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| 1 <!-- |
| 2 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. |
| 3 This code may only be used under the BSD style license found at http://polymer.g
ithub.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/CONTRI
BUTORS.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/PATEN
TS.txt |
| 8 --> |
| 9 |
| 10 <link rel="import" href="../polymer/polymer.html"> |
| 11 <link rel="import" href="../paper-ripple/paper-ripple.html"> |
| 12 <link rel="import" href="../paper-styles/default-theme.html"> |
| 13 <link rel="import" href="../paper-behaviors/paper-inky-focus-behavior.html"> |
| 14 |
| 15 <!-- |
| 16 `paper-radio-button` is a button that can be either checked or unchecked. |
| 17 User can tap the radio button to check it. But it cannot be unchecked by |
| 18 tapping once checked. |
| 19 |
| 20 Use `paper-radio-group` to group a set of radio buttons. When radio buttons |
| 21 are inside a radio group, only one radio button in the group can be checked. |
| 22 |
| 23 Example: |
| 24 |
| 25 <paper-radio-button></paper-radio-button> |
| 26 |
| 27 ### Styling |
| 28 |
| 29 The following custom properties and mixins are available for styling: |
| 30 |
| 31 Custom property | Description | Default |
| 32 ----------------|-------------|---------- |
| 33 `--paper-radio-button-unchecked-color` | Radio button color when the input is no
t checked | `--primary-text-color` |
| 34 `--paper-radio-button-unchecked-ink-color` | Selected/focus ripple color when th
e input is not checked | `--primary-text-color` |
| 35 `--paper-radio-button-checked-color` | Radio button color when the input is chec
ked | `--default-primary-color` |
| 36 `--paper-radio-button-checked-ink-color` | Selected/focus ripple color when the
input is checked | `--default-primary-color` |
| 37 `--paper-radio-button-label-color` | Label color | `--primary-text-color` |
| 38 |
| 39 @group Paper Elements |
| 40 @element paper-radio-button |
| 41 @hero hero.svg |
| 42 @demo demo/index.html |
| 43 --> |
| 44 |
| 45 <dom-module id="paper-radio-button"> |
| 46 |
| 47 <link rel="import" type="css" href="paper-radio-button.css"> |
| 48 |
| 49 <template> |
| 50 |
| 51 <div id="radioContainer"> |
| 52 <div id="offRadio"></div> |
| 53 <div id="onRadio"></div> |
| 54 <paper-ripple id="ink" class="circle" center checked$="[[checked]]"></pape
r-ripple> |
| 55 </div> |
| 56 |
| 57 <div id="radioLabel" aria-hidden="true"><content></content></div> |
| 58 |
| 59 </template> |
| 60 |
| 61 <script> |
| 62 Polymer({ |
| 63 is: 'paper-radio-button', |
| 64 |
| 65 behaviors: [ |
| 66 Polymer.PaperInkyFocusBehavior |
| 67 ], |
| 68 |
| 69 hostAttributes: { |
| 70 role: 'radio', |
| 71 'aria-checked': false, |
| 72 tabindex: 0 |
| 73 }, |
| 74 |
| 75 properties: { |
| 76 /** |
| 77 * Fired when the checked state changes due to user interaction. |
| 78 * |
| 79 * @event change |
| 80 */ |
| 81 |
| 82 /** |
| 83 * Fired when the checked state changes. |
| 84 * |
| 85 * @event iron-change |
| 86 */ |
| 87 |
| 88 /** |
| 89 * Gets or sets the state, `true` is checked and `false` is unchecked. |
| 90 */ |
| 91 checked: { |
| 92 type: Boolean, |
| 93 value: false, |
| 94 reflectToAttribute: true, |
| 95 notify: true, |
| 96 observer: '_checkedChanged' |
| 97 }, |
| 98 |
| 99 /** |
| 100 * If true, the button toggles the active state with each tap or press |
| 101 * of the spacebar. |
| 102 */ |
| 103 toggles: { |
| 104 type: Boolean, |
| 105 value: true, |
| 106 reflectToAttribute: true |
| 107 } |
| 108 }, |
| 109 |
| 110 ready: function() { |
| 111 if (Polymer.dom(this).textContent == '') { |
| 112 this.$.radioLabel.hidden = true; |
| 113 } else { |
| 114 this.setAttribute('aria-label', Polymer.dom(this).textContent); |
| 115 } |
| 116 this._isReady = true; |
| 117 }, |
| 118 |
| 119 _buttonStateChanged: function() { |
| 120 if (this.disabled) { |
| 121 return; |
| 122 } |
| 123 if (this._isReady) { |
| 124 this.checked = this.active; |
| 125 } |
| 126 }, |
| 127 |
| 128 _checkedChanged: function() { |
| 129 this.setAttribute('aria-checked', this.checked ? 'true' : 'false'); |
| 130 this.active = this.checked; |
| 131 this.fire('iron-change'); |
| 132 } |
| 133 }) |
| 134 </script> |
| 135 |
| 136 </dom-module> |
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