third_party/polymer/components/paper-tabs/paper-tab.html

   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.github.io/LICENSE.txt
   4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
   5 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
   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/PATENTS.txt
   8 -->
   9
  10 <!--
  11 `paper-tab` is styled to look like a tab.  It should be used in conjunction with
  12 `paper-tabs`.
  13
  14 Example:
  15
  16     <paper-tabs selected="0">
  17       <paper-tab>TAB 1</paper-tab>
  18       <paper-tab>TAB 2</paper-tab>
  19       <paper-tab>TAB 3</paper-tab>
  20     </paper-tabs>
  21
  22 Styling tab:
  23
  24 To change the ink color:
  25
  26     .pink paper-tab::shadow #ink {
  27       color: #ff4081;
  28     }
  29
  30 @group Paper Elements
  31 @element paper-tab
  32 @homepage github.io
  33 -->
  34
  35 <link rel="import" href="../paper-ripple/paper-ripple.html">
  36
  37 <polymer-element name="paper-tab" attributes="noink" role="tab" inline flex center-center horizontal layout>
  38 <template>
  39
  40   <link rel="stylesheet" href="paper-tab.css">
  41
  42   <div class="tab-content" flex auto center-center horizontal layout><content></content></div>
  43   <paper-ripple id="ink" initialOpacity="0.95" opacityDecayVelocity="0.98"></paper-ripple>
  44
  45 </template>
  46 <script>
  47
  48   Polymer('paper-tab', {
  49
  50     /**
  51      * If true, ink ripple effect is disabled.
  52      *
  53      * @attribute noink
  54      * @type boolean
  55      * @default false
  56      */
  57     noink: false,
  58
  59     eventDelegates: {
  60       down: 'downAction',
  61       up: 'upAction'
  62     },
  63
  64     downAction: function(e) {
  65       if (this.noink || (this.parentElement && this.parentElement.noink)) {
  66         return;
  67       }
  68       this.$.ink.downAction(e);
  69     },
  70
  71     upAction: function() {
  72       this.$.ink.upAction();
  73     },
  74
  75     cancelRipple: function() {
  76       this.$.ink.upAction();
  77     }
  78
  79   });
  80
  81 </script>
  82 </polymer-element>