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1 <!-- | |
2 // Copyright 2015 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-element.sky" /> | |
7 <import src="sky-icon.sky" /> | |
8 | |
9 <sky-element attributes="checked:boolean"> | |
10 <template> | |
11 <style> | |
12 :host { | |
13 display: inline-block; | |
14 -webkit-user-select: none; | |
15 margin: 8px 16px; | |
16 } | |
17 </style> | |
18 <sky-icon size="18" /> | |
19 </template> | |
20 <script> | |
21 import "dart:sky"; | |
22 | |
23 const String _kOnIcon = 'toggle/check_box_black'; | |
24 const String _kOffIcon = 'toggle/check_box_outline_blank_black'; | |
25 | |
26 @Tagname('sky-checkbox') | |
27 class SkyCheckbox extends SkyElement { | |
28 SkyIcon _icon; | |
29 | |
30 SkyCheckbox() { | |
31 addEventListener('click', _handleClick); | |
32 } | |
33 | |
34 void shadowRootReady() { | |
35 _icon = shadowRoot.querySelector('sky-icon'); | |
36 _icon.type = checked ? _kOnIcon : _kOffIcon; | |
37 } | |
38 | |
39 void checkedChanged(bool oldValue, bool newValue) { | |
40 if (_icon != null) | |
41 _icon.type = newValue ? _kOnIcon : _kOffIcon; | |
42 } | |
43 | |
44 void _handleClick(_) { | |
45 checked = !checked; | |
46 } | |
47 } | |
48 | |
49 _init(script) => register(script, SkyCheckbox); | |
50 </script> | |
51 </sky-element> | |
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