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bower_components/neon-animation/demo/tiles/circles-page.html 2.66 KB
73bcce88   luigser   COMPONENTS
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  <!--
  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="../../../paper-styles/paper-styles.html">
  <link rel="import" href="../../neon-shared-element-animatable-behavior.html">
  
  <dom-module id="circles-page">
  
    <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>
  
    <template>
  
      <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 = event.target;
        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>