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| 1 <!-- | |
| 2 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 --> | |
| 6 <import src="/sky/framework/sky-button/sky-button.sky" as="SkyButton" /> | |
| 7 | |
| 8 <sky-element | |
| 9 name="sky-radio" | |
| 10 attributes="selected:boolean, group:string" | |
| 11 on-click="handleClick"> | |
| 12 <template> | |
| 13 <style> | |
| 14 :host { | |
| 15 display: inline-block; | |
| 16 -webkit-user-select: none; | |
| 17 width: 14px; | |
| 18 height: 14px; | |
| 19 border-radius: 7px; | |
| 20 border: 1px solid blue; | |
| 21 margin: 0 5px; | |
| 22 } | |
| 23 :host([highlight=true]) box { | |
| 24 background-color: orange; | |
| 25 } | |
| 26 dot { | |
| 27 -webkit-user-select: none; | |
| 28 width: 10px; | |
| 29 height: 10px; | |
| 30 border-radius: 5px; | |
| 31 background-color: black; | |
| 32 margin: 2px; | |
| 33 } | |
| 34 </style> | |
| 35 <template if="{{ selected }}"> | |
| 36 <dot /> | |
| 37 </template> | |
| 38 </template> | |
| 39 <script> | |
| 40 const kControllerMap = new WeakMap(); | |
| 41 | |
| 42 class RadioGroupController { | |
| 43 static forRadio(radio) { | |
| 44 var scope = radio.ownerScope; | |
| 45 var controller = kControllerMap.get(scope); | |
| 46 if (!controller) | |
| 47 kControllerMap.set(scope, new RadioGroupController()); | |
| 48 return kControllerMap.get(scope); | |
| 49 } | |
| 50 constructor() { | |
| 51 this.radios = new Set(); | |
| 52 } | |
| 53 addRadio(radio) { | |
| 54 this.radios.add(radio); | |
| 55 // If this new radio is default-selected, take selection from the group. | |
| 56 if (radio.selected) | |
| 57 this.takeSelectionFromGroup(radio); | |
| 58 } | |
| 59 removeRadio(radio) { | |
| 60 this.radios.remove(radio); | |
| 61 } | |
| 62 takeSelectionFromGroup(selectedRadio) { | |
| 63 // Emtpy/null/undefined group means an isolated radio. | |
| 64 if (!selectedRadio.group) | |
| 65 return; | |
| 66 this.radios.forEach(function(radio) { | |
| 67 if (selectedRadio === radio) | |
| 68 return; | |
| 69 if (radio.group != selectedRadio.group) | |
| 70 return; | |
| 71 radio.selected = false; | |
| 72 }); | |
| 73 } | |
| 74 }; | |
| 75 | |
| 76 module.exports = class extends SkyButton { | |
| 77 created() { | |
| 78 super.created(); | |
| 79 | |
| 80 this.controller = null; | |
| 81 } | |
| 82 attached() { | |
| 83 super.attached(); | |
| 84 this.controller = RadioGroupController.forRadio(this); | |
| 85 this.controller.addRadio(this); | |
| 86 } | |
| 87 detached() { | |
| 88 super.detached(); | |
| 89 this.controller.removeRadio(this); | |
| 90 this.controller = null; | |
| 91 } | |
| 92 selectedChanged(oldValue, newValue) { | |
| 93 if (newValue && this.controller) | |
| 94 this.controller.takeSelectionFromGroup(this); | |
| 95 } | |
| 96 groupChanged(oldValue, newValue) { | |
| 97 if (this.selected && this.controller) | |
| 98 this.controller.takeSelectionFromGroup(this); | |
| 99 } | |
| 100 handleClick() { | |
| 101 this.selected = true; | |
| 102 } | |
| 103 }.register(); | |
| 104 </script> | |
| 105 </sky-element> | |
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Chromium Code Reviews
Issue 874303003:
Move sky-box,-button,-checkbox,-radio out of their directories (Closed)
Base URL: git@github.com:domokit/mojo.git@master