| <!-- |
| @license |
| Copyright (c) 2015 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 |
| --> |
| <link rel="import" href="../../../polymer/polymer.html"> |
| <link rel="import" href="../../../iron-flex-layout/iron-flex-layout.html"> |
| <link rel="import" href="../../neon-shared-element-animatable-behavior.html"> |
| |
| <dom-module id="circles-page"> |
| <template> |
| <style> |
| :host { |
| @apply(--layout-horizontal); |
| @apply(--layout-center-center); |
| } |
| |
| .circle { |
| display: inline-block; |
| box-sizing: border-box; |
| width: 100px; |
| height: 100px; |
| margin: 16px; |
| border-radius: 50%; |
| background: var(--color-one); |
| } |
| </style> |
| |
| <div> |
| <div class="circle"></div> |
| <div class="circle"></div> |
| <div class="circle"></div> |
| <div class="circle"></div> |
| </div> |
| |
| </template> |
| |
| </dom-module> |
| |
| <script> |
| |
| Polymer({ |
| |
| is: 'circles-page', |
| |
| behaviors: [ |
| Polymer.NeonSharedElementAnimatableBehavior |
| ], |
| |
| properties: { |
| |
| animationConfig: { |
| value: function() { |
| var circles = Polymer.dom(this.root).querySelectorAll('.circle'); |
| var circlesArray = Array.prototype.slice.call(circles); |
| return { |
| 'entry': [{ |
| name: 'cascaded-animation', |
| animation: 'scale-up-animation', |
| nodes: circlesArray |
| }], |
| |
| 'exit': [{ |
| name: 'hero-animation', |
| id: 'hero', |
| fromPage: this |
| }, { |
| name: 'cascaded-animation', |
| animation: 'scale-down-animation' |
| }] |
| }; |
| } |
| } |
| }, |
| |
| listeners: { |
| 'click': '_onClick' |
| }, |
| |
| _onClick: function(event) { |
| var target = Polymer.dom(event).rootTarget; |
| if (target.classList.contains('circle')) { |
| // configure the page animation |
| this.sharedElements = { |
| 'hero': target |
| }; |
| |
| var nodesToScale = []; |
| var circles = Polymer.dom(this.root).querySelectorAll('.circle'); |
| for (var node, index = 0; node = circles[index]; index++) { |
| if (node !== event.target) { |
| nodesToScale.push(node); |
| } |
| } |
| this.animationConfig['exit'][1].nodes = nodesToScale; |
| |
| this.fire('circle-click'); |
| } |
| } |
| |
| }); |
| |
| </script> |