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| 1 <!-- | |
| 2 @license | |
| 3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. | |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 7 Code distributed by Google as part of the polymer project is also | |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 9 --> | |
| 10 | |
| 11 <link rel="import" href="../polymer/polymer.html"> | |
| 12 <link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"> | |
| 13 <link rel="import" href="../iron-flex-layout/iron-flex-layout.html"> | |
| 14 <link rel="import" href="../iron-behaviors/iron-control-state.html"> | |
| 15 <link rel="import" href="../paper-ripple/paper-ripple.html"> | |
| 16 | |
| 17 <!-- | |
| 18 `paper-tab` is styled to look like a tab. It should be used in conjunction with | |
| 19 `paper-tabs`. | |
| 20 | |
| 21 Example: | |
| 22 | |
| 23 <paper-tabs selected="0"> | |
| 24 <paper-tab>TAB 1</paper-tab> | |
| 25 <paper-tab>TAB 2</paper-tab> | |
| 26 <paper-tab>TAB 3</paper-tab> | |
| 27 </paper-tabs> | |
| 28 | |
| 29 ### Styling | |
| 30 | |
| 31 The following custom properties and mixins are available for styling: | |
| 32 | |
| 33 Custom property | Description | Default | |
| 34 ----------------|-------------|---------- | |
| 35 `--paper-tab-ink` | Ink color | `--paper-yellow-a100` | |
| 36 `--paper-tab` | Mixin applied to the tab | `{}` | |
| 37 `--paper-tab-content` | Mixin applied to the tab content | `{}` | |
| 38 | |
| 39 --> | |
| 40 | |
| 41 <dom-module id="paper-tab"> | |
| 42 | |
| 43 <style> | |
| 44 | |
| 45 :host { | |
| 46 @apply(--layout-inline); | |
| 47 @apply(--layout-center); | |
| 48 @apply(--layout-center-justified); | |
| 49 @apply(--layout-flex); | |
| 50 | |
| 51 position: relative; | |
| 52 padding: 0 12px; | |
| 53 overflow: hidden; | |
| 54 cursor: pointer; | |
| 55 | |
| 56 @apply(--paper-tab); | |
| 57 } | |
| 58 | |
| 59 :host(:focus) { | |
| 60 outline: none; | |
| 61 } | |
| 62 | |
| 63 :host([link]) { | |
| 64 padding: 0; | |
| 65 } | |
| 66 | |
| 67 .tab-content { | |
| 68 height: 100%; | |
| 69 -webkit-transform: translateZ(0); | |
| 70 transform: translateZ(0); | |
| 71 transition: opacity 0.1s cubic-bezier(0.4, 0.0, 1, 1); | |
| 72 | |
| 73 @apply(--paper-tab-content); | |
| 74 } | |
| 75 | |
| 76 :host(:not(.iron-selected)) > .tab-content { | |
| 77 opacity: 0.8; | |
| 78 } | |
| 79 | |
| 80 :host(:focus) .tab-content { | |
| 81 opacity: 1; | |
| 82 font-weight: 700; | |
| 83 } | |
| 84 | |
| 85 #ink { | |
| 86 color: var(--paper-tab-ink, --paper-yellow-a100); | |
| 87 pointer-events: none; | |
| 88 } | |
| 89 | |
| 90 .tab-content > ::content > a { | |
| 91 height: 100%; | |
| 92 /* flex */ | |
| 93 -ms-flex: 1 1 0.000000001px; | |
| 94 -webkit-flex: 1; | |
| 95 flex: 1; | |
| 96 -webkit-flex-basis: 0.000000001px; | |
| 97 flex-basis: 0.000000001px; | |
| 98 } | |
| 99 | |
| 100 </style> | |
| 101 | |
| 102 <template> | |
| 103 | |
| 104 <div class="tab-content flex-auto center-center horizontal layout"> | |
| 105 <content></content> | |
| 106 </div> | |
| 107 | |
| 108 <template is="dom-if" if="[[!noink]]"> | |
| 109 <paper-ripple id="ink" initial-opacity="0.95" opacity-decay-velocity="0.98
"></paper-ripple> | |
| 110 </template> | |
| 111 | |
| 112 </template> | |
| 113 | |
| 114 </dom-module> | |
| 115 | |
| 116 <script> | |
| 117 | |
| 118 Polymer({ | |
| 119 | |
| 120 is: 'paper-tab', | |
| 121 | |
| 122 behaviors: [ | |
| 123 Polymer.IronControlState | |
| 124 ], | |
| 125 | |
| 126 properties: { | |
| 127 | |
| 128 /** | |
| 129 * If true, ink ripple effect is disabled. | |
| 130 * | |
| 131 * @attribute noink | |
| 132 */ | |
| 133 noink: { | |
| 134 type: Boolean, | |
| 135 value: false | |
| 136 } | |
| 137 | |
| 138 }, | |
| 139 | |
| 140 hostAttributes: { | |
| 141 role: 'tab' | |
| 142 }, | |
| 143 | |
| 144 listeners: { | |
| 145 down: '_onDown' | |
| 146 }, | |
| 147 | |
| 148 get _parentNoink () { | |
| 149 var parent = Polymer.dom(this).parentNode; | |
| 150 return !!parent && !!parent.noink; | |
| 151 }, | |
| 152 | |
| 153 _onDown: function(e) { | |
| 154 this.noink = !!this.noink || !!this._parentNoink; | |
| 155 } | |
| 156 }); | |
| 157 | |
| 158 </script> | |
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