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<html>
<head>
  <title>core-list</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  <script src="../../webcomponentsjs/webcomponents.js"></script>
  <link rel="import" href="../core-list.html">
  <link rel="import" href="../../core-ajax/core-ajax.html">
  <link rel="import" href="../../core-icon/core-icon.html">
  <link rel="import" href="../../core-icon-button/core-icon-button.html">
  <link rel="import" href="../../core-icons/core-icons.html">
  <link rel="import" href="../../paper-shadow/paper-shadow.html">
  <link rel="import" href="../../paper-icon-button/paper-icon-button.html">
  <link rel="import" href="../../paper-fab/paper-fab.html">
  <link rel="import" href="../../paper-menu-button/paper-menu-button.html">
  <link rel="import" href="../../paper-dropdown/paper-dropdown.html">
  <link rel="import" href="../../core-menu/core-menu.html">
  <link rel="import" href="../../paper-item/paper-item.html">
  <link rel="import" href="../../paper-input/paper-input.html">
  <link rel="import" href="../../paper-tabs/paper-tabs.html">
  <link rel="import" href="../../paper-spinner/paper-spinner.html">
  <link rel="import" href="../../core-splitter/core-splitter.html">
  <link rel="import" href="../../core-overlay/core-overlay.html">
  <link rel="import" href="../../core-scroll-threshold/core-scroll-threshold.html">
  <link rel="import" href="../../core-image/core-image.html">
  <link rel="import" href="../../core-toolbar/core-toolbar.html">
  <style>
    html, body {
      margin: 0;
      -webkit-tap-highlight-color: transparent;
      overflow: hidden;
      user-select: none;
      -webkit-user-select: none;
      font-family: sans-serif;
    }
    
    list-test {
      display: block;
      height: 100%;
      margin: 0 auto;
    }
  </style>
</head>
<body fit>

<list-test></list-test>

<polymer-element name="list-test" layout vertical relative>
<template>
  <style>
    .message-item {
      padding: 16px;
    }
    .message-item.selected{
      background-color: #eee;
    }
    .tabs {
      background: #E91E63;
      box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
      color: white;
    }
    .toolbar {
      background: #E91E63;
      box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
      color: white;
    }
    .avatar {
      height: 40px;
      width: 40px;
      border-radius: 20px;
      box-sizing: border-box;
      border: 1px solid #DDD;
      background-color: #DDD;
    }
    .pad {
      padding: 0 16px;
    }
    .primary {
      font-size: 16px;
    }
    .secondary {
      font-size: 14px;
    }
    .dim {
      color: gray;
    }
    .divider {
      font-size: 14px;
      font-weight: bold;
      color: gray;
      padding: 24px 16px 8px 16px;
    }
    .border {
      margin-left: 72px;
      border-bottom: 1px solid #DDD;
    }

    .photo-item {
      box-sizing: border-box;
      padding: 8px;
    }
    .photo {
      background-size: cover;
      height: 200px;
      width: 200px;
      box-sizing: border-box;
      background-color: lightgray;
    }
    .title {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 12px 8px 8px 8px;
      color: white;
      background: rgba(0,0,0,0.3);
    }
    .photo-pad {
      padding: 16px;
      align-items: center;
    }
    .photo-pad-left {
      padding-left: 8px;
    }

  </style>

  <core-ajax url="demo-data-500.json" response="{{messageData}}" auto></core-ajax>

  <div layout horizontal fit>

    <div layout vertical style="width: 50%;">
      <core-toolbar class="toolbar">Messages</core-toolbar>
      <core-list id="messages" data="{{messageData}}" groups="{{messageGroups}}" flex>
        <template>
          <div class="divider" divider>{{groupModel.label}}</div>
          <div>
            <div class="message-item {{selected?'selected':''}}" layout horizontal>
              <img class="avatar" src="{{model.image}}">
              <div class="pad" flex layout vertical>
                <div class="primary">{{index}} {{model.name}}</div>
                <div class="secondary">{{model.shortText}}</div>
                <div class="secondary dim Xclamp">{{model.longText}}</div>
              </div>
              <core-icon icon="{{model.boolean ? 'star' : 'star-outline'}}"></core-icon>
            </div>
            <div class="border"></div>
          </div>
        </template>
      </core-list>
    </div>

    <core-splitter></core-splitter>
  
    <div layout vertical flex>
      <core-toolbar class="toolbar">Photos</core-toolbar>
      <div id="photos" style="overflow:auto;" flex>
        <core-scroll-threshold id="threshold" scrollTarget="{{$.photos}}" 
          lowerThreshold="1000" on-lower-trigger="{{loadMore}}">
        </core-scroll-threshold>
        <core-list id="photosList" data="{{photosData}}" scrollTarget="{{$.photos}}" grid width="216">
          <template>
            <div class="photo-item">
              <core-image class="photo" sizing="cover" load?="{{!!model}}" src="https://farm{{model.farm}}.staticflickr.com/{{model.server}}/{{model.id}}_{{model.secret}}_m.jpg" preload relative>
                <div class="title">{{index}} {{model.title}}</div>
              </core-image>
            </div>
          </template>
        </core-list>
        <div class="photo-pad" hidden?="{{!$.threshold.lowerTriggered}}" layout horizontal center-justified>
          <paper-spinner active></paper-spinner>
          <div class="photo-pad-left">Loading...</div>
        </div>
      </div>
    </div>

  </core-animated-pages>

</template>
<script>
(function() {

  Polymer('list-test', {
    page: 'messages',
    ready: function() {
      CoreStyle.g.paperInput.focusedColor = 'white';
      this.messageGroups = [
        {length: 3, data: {label: 'Today'}},
        {length: 15, data: {label: 'Yesterday'}},
        {length: 30, data: {label: 'Last Week'}},
        {length: 150, data: {label: 'Last Month'}},
        {length: 150, data: {label: 'Last Quarter'}},
        {length: 152, data: {label: 'Last Year'}}
      ];

      this.photosData = [];
      this.photosPage = 1;
      this.searchText = 'Japan';
      this.apiKey = 'c304f1096a06486d3c1e7ab271bf7f3f';
      this.perPage = 100;
      this.load(1);
    },
    loadMore: function() {
      this.load();
    },
    load: function(moreCount) {
      if (this.photosPage > 0) {
        var ajax = document.createElement('core-ajax');
        ajax.url = 'https://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=' + 
          this.apiKey + '&safe_search=1&sort=interestingness-desc&text=' + 
          encodeURIComponent(this.searchText) + '&page=' + this.photosPage + "&format=json&per_page=" + this.perPage;
        ajax.addEventListener('core-response', function(e) {
          var data = this.photosData;
          var resp = JSON.parse(e.detail.response.match('jsonFlickrApi\\((.*)\\)')[1]);
          if (resp.stat == 'ok') {
            resp.photos.photo.forEach(function(o) { data.push(o); });
            this.photosPage = (resp.photos.page != resp.photos.pages) ? resp.photos.page + 1 : 0;
            this.$.threshold.clearLower(!!this.photosPage);
            if (moreCount) {
              this.load(--moreCount);
            }
          }
        }.bind(this));
        ajax.go();
      }
    }
  });
})();  
</script>
</polymer-element>

</body>
</html>
