designer

designer.html

<link rel="import" href="../core-drawer-panel/core-drawer-panel.html">
<link rel="import" href="../core-header-panel/core-header-panel.html">
<link rel="import" href="../paper-icon-button/paper-icon-button.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #core_drawer_panel {
        position: absolute;
        top: 0px;
        right: 0px;
        bottom: 0px;
        left: 0px;
      }
      #section {
        box-shadow: rgba(0, 0, 0, 0.0980392) 0px 2px 4px, rgba(0, 0, 0, 0.0980392) 0px 0px 3px;
        background-color: rgb(250, 250, 250);
      }
      #section1 {
        height: 100%;
        box-sizing: border-box;
        background-color: rgb(221, 221, 221);
      }
    </style>
    <core-drawer-panel transition id="drawerPanel" touch-action selected="main">
      <core-header-panel drawer>
        <core-toolbar id="navheader">
          <span>Menu</span>
        </core-toolbar>
        <core-menu>
          <core-item label="One" horizontal center laytout class="core-selected" active></core-item>
          <core-item label="Two" horizontal center laytout></core-item>
        </core-menu>
      </core-header-panel>
      <core-header-panel main>
        <core-toolbar id="mainheader">
          <paper-icon-button id="navicon" on-tap="{{ toggleDrawer }}" icon="menu" role="button" tabindex="0" aria-label="menu"></paper-icon-button>
          <span flex>Title</span>
        </core-toolbar>
        <div class="content">Main content</div>
      </core-header-panel>
    </core-drawer-panel>
  </template>

  <script>

  <!-- [START javascript] 
  document.addEventListener('polymer-ready', function() {
    var navicon = document.getElementById('navicon');
    var drawerPanel = document.getElementById('drawerPanel');
    navicon.addEventListener('click', function() {
      drawerPanel.togglePanel();
    });
  });

    [END javascript] -->

    Polymer({
      toggleDrawer: function() {
 				this.$.drawerPanel.togglePanel();
      }
    });

  </script>

</polymer-element>