OLD | NEW |
| (Empty) |
1 <!-- | |
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.g
ithub.io/LICENSE | |
4 The complete set of authors may be found at http://polymer.github.io/AUTHORS | |
5 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS | |
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 | |
8 --> | |
9 | |
10 <!-- | |
11 Use to create nested menus inside of `core-menu` elements. | |
12 | |
13 <core-menu selected="0"> | |
14 | |
15 <core-submenu icon="settings" label="Topics"> | |
16 <core-item label="Topic 1"></core-item> | |
17 <core-item label="Topic 2"></core-item> | |
18 </core-submenu> | |
19 | |
20 <core-submenu icon="settings" label="Favorites"> | |
21 <core-item label="Favorite 1"></core-item> | |
22 <core-item label="Favorite 2"></core-item> | |
23 <core-item label="Favorite 3"></core-item> | |
24 </core-submenu> | |
25 | |
26 </core-menu> | |
27 | |
28 There is a margin set on the submenu to indent the items. | |
29 You can override the margin by doing: | |
30 | |
31 core-submenu::shadow #submenu { | |
32 margin-left: 20px; | |
33 } | |
34 | |
35 @group Polymer Core Elements | |
36 @element core-submenu | |
37 @extends core-item | |
38 --> | |
39 | |
40 <link rel="import" href="../core-item/core-item.html"> | |
41 <link rel="import" href="../core-menu/core-menu.html"> | |
42 <link rel="import" href="../core-collapse/core-collapse.html"> | |
43 | |
44 <polymer-element name="core-submenu" attributes="selected selectedItem label ico
n src valueattr"> | |
45 <template> | |
46 | |
47 <link rel="stylesheet" href="core-submenu.css"> | |
48 | |
49 <core-item src="{{src}}" label="{{label}}" icon="{{icon}}" class="{{ {'core-se
lected' : active} | tokenList}}" on-tap="{{activate}}"> | |
50 <content select=".item-content"></content> | |
51 </core-item> | |
52 | |
53 <core-menu id="submenu" selected="{{selected}}" selectedItem="{{selectedItem}}
" valueattr="{{valueattr}}"> | |
54 <content></content> | |
55 </core-menu> | |
56 | |
57 <core-collapse target="{{$.submenu}}" opened="{{opened}}"></core-collapse> | |
58 | |
59 </template> | |
60 <script> | |
61 | |
62 Polymer('core-submenu', { | |
63 | |
64 publish: { | |
65 active: {value: false, reflect: true} | |
66 }, | |
67 | |
68 opened: false, | |
69 | |
70 get items() { | |
71 return this.$.submenu.items; | |
72 }, | |
73 | |
74 hasItems: function() { | |
75 return !!this.items.length; | |
76 }, | |
77 | |
78 unselectAllItems: function() { | |
79 this.$.submenu.selected = null; | |
80 this.$.submenu.clearSelection(); | |
81 }, | |
82 | |
83 activeChanged: function() { | |
84 if (this.hasItems()) { | |
85 this.opened = this.active; | |
86 } | |
87 if (!this.active) { | |
88 this.unselectAllItems(); | |
89 } | |
90 }, | |
91 | |
92 toggle: function() { | |
93 this.opened = !this.opened; | |
94 }, | |
95 | |
96 activate: function() { | |
97 if (this.hasItems() && this.active) { | |
98 this.toggle(); | |
99 this.unselectAllItems(); | |
100 } | |
101 } | |
102 | |
103 }); | |
104 | |
105 </script> | |
106 </polymer-element> | |
OLD | NEW |