OLD | NEW |
| (Empty) |
1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 import 'dart:html'; | |
6 | |
7 import 'package:observatory/app.dart'; | |
8 import 'package:observatory/src/elements/helpers/tag.dart'; | |
9 import 'package:observatory/src/elements/shims/binding.dart'; | |
10 import 'package:observatory/src/elements/nav/menu.dart'; | |
11 | |
12 @bindable | |
13 class NavMenuElementWrapper extends HtmlElement { | |
14 static const binder = const Binder<NavMenuElementWrapper>(const { | |
15 'anchor': #anchor, 'link': #link, 'last': #last | |
16 }); | |
17 | |
18 static const tag = | |
19 const Tag<NavMenuElementWrapper>('nav-menu'); | |
20 | |
21 String _anchor = '---'; | |
22 String _link; | |
23 bool _last = false; | |
24 | |
25 String get anchor => _anchor; | |
26 String get link => _link; | |
27 bool get last => _last; | |
28 | |
29 set anchor(String value) { | |
30 _anchor = value; | |
31 render(); | |
32 } | |
33 set link(String value) { | |
34 _link = value; | |
35 render(); | |
36 } | |
37 set last(bool value) { | |
38 _last = value; | |
39 render(); | |
40 } | |
41 | |
42 NavMenuElementWrapper.created() : super.created() { | |
43 binder.registerCallback(this); | |
44 _anchor = getAttribute('anchor'); | |
45 _link = getAttribute('link'); | |
46 _last = _getBoolAttribute('last'); | |
47 createShadowRoot(); | |
48 render(); | |
49 } | |
50 | |
51 @override | |
52 void attached() { | |
53 super.attached(); | |
54 render(); | |
55 } | |
56 | |
57 void render() { | |
58 shadowRoot.children = []; | |
59 if (_anchor == null || _last == null) { | |
60 return; | |
61 } | |
62 | |
63 shadowRoot.children = [ | |
64 new NavMenuElement(_anchor, link: '#$_link', last: last, | |
65 queue: ObservatoryApplication.app.queue) | |
66 ..children = [new ContentElement()] | |
67 ]; | |
68 } | |
69 | |
70 bool _getBoolAttribute(String name) { | |
71 final String value = getAttribute(name); | |
72 return !(value == null || value == 'false'); | |
73 } | |
74 } | |
OLD | NEW |