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@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
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-->
<link rel="import" href="../../../polymer/polymer.html">
<link rel="import" href="../../neon-shared-element-animatable-behavior.html">

<dom-module id="squares-page">
  <template>
    <style>
      .header {
        height: 40%;
        background: var(--color-one);
      }

      .body {
        text-align: center;
        padding: 8px;
      }

      .square {
        display: inline-block;
        width: 150px;
        height: 150px;
        margin: 8px;
        background: var(--color-two);
      }
    </style>
    
    <div id="header" class="header"></div>

    <div class="body">
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
    </div>

  </template>

</dom-module>

<script>

  Polymer({

    is: 'squares-page',

    behaviors: [
      Polymer.NeonSharedElementAnimatableBehavior
    ],

    properties: {

      sharedElements: {
        value: function() {
          return {
            'hero': this.$.header
          }
        }
      },

      animationConfig: {
        value: function() {
          var squares = Polymer.dom(this.root).querySelectorAll('.square');
          var squaresArray = Array.prototype.slice.call(squares);
          return {
            'entry': [{
              name: 'hero-animation',
              id: 'hero',
              toPage: this
            }, {
              name: 'cascaded-animation',
              animation: 'transform-animation',
              transformFrom: 'translateY(100%)',
              nodes: squaresArray
            }],

            'exit': [{
              name: 'slide-up-animation',
              node: this.$.header
            }, {
              name: 'cascaded-animation',
              animation: 'transform-animation',
              transformTo: 'translateY(60vh)',
              nodes: squaresArray
            }]
          };
        }
      }
    }

  });

</script>