| <!-- |
| Copyright (c) 2014 The Polymer Project Authors. All rights reserved. |
| This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt |
| The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt |
| The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt |
| Code distributed by Google as part of the polymer project is also |
| subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt |
| --> |
| |
| <!-- |
| |
| `paper-shadow` is a container that renders two shadows on top of each other to |
| create the effect of a lifted piece of paper. |
| |
| Example: |
| |
| <paper-shadow z="1"> |
| ... card content ... |
| </paper-shadow> |
| |
| @group Paper Elements |
| @class paper-shadow |
| --> |
| |
| <link href="../polymer/polymer.html" rel="import"> |
| |
| <link href="paper-shadow.css" rel="stylesheet" shim-shadowdom> |
| |
| <polymer-element name="paper-shadow"> |
| |
| <template> |
| |
| <div id="shadow-bottom" fit animated?="[[animated]]" class="paper-shadow-bottom-z-[[z]]"></div> |
| <div id="shadow-top" fit animated?="[[animated]]" class="paper-shadow-top-z-[[z]]"></div> |
| |
| <content></content> |
| |
| </template> |
| |
| <script> |
| Polymer({ |
| |
| publish: { |
| |
| /** |
| * The z-depth of this shadow, from 0-5. Setting this property |
| * after element creation has no effect. Use `setZ()` instead. |
| * |
| * @attribute z |
| * @type number |
| * @default 1 |
| */ |
| z: 1, |
| |
| /** |
| * Set this to true to animate the shadow when setting a new |
| * `z` value. |
| * |
| * @attribute animated |
| * @type boolean |
| * @default false |
| */ |
| animated: false |
| |
| }, |
| |
| /** |
| * Set the z-depth of the shadow. This should be used after element |
| * creation instead of setting the z property directly. |
| * |
| * @method setZ |
| * @param {Number} newZ |
| */ |
| setZ: function(newZ) { |
| if (this.z !== newZ) { |
| this.$['shadow-bottom'].classList.remove('paper-shadow-bottom-z-' + this.z); |
| this.$['shadow-bottom'].classList.add('paper-shadow-bottom-z-' + newZ); |
| this.$['shadow-top'].classList.remove('paper-shadow-top-z-' + this.z); |
| this.$['shadow-top'].classList.add('paper-shadow-top-z-' + newZ); |
| this.z = newZ; |
| } |
| } |
| |
| }); |
| </script> |
| </polymer-element> |