catapult/dashboard/dashboard/elements/select-menu.html

<link rel="import" href="/components/paper-dropdown-menu/paper-dropdown-menu.html">
<link rel="import" href="/components/paper-dropdown/paper-dropdown.html">
<link rel="import" href="/components/core-menu/core-menu.html">
<link rel="import" href="/components/paper-item/paper-item.html">

<polymer-element name="select-menu" attributes="menuItems">
  <template>
  <style>
  </style>
  <paper-dropdown-menu>
    <paper-dropdown class="dropdown">
      <core-menu class="menu" valueattr="label" id="menu">
        <template repeat="{{menuItems}}">
          <paper-item label="{{}}">{{}}</paper-item>
        </template>
      </core-menu>
    </paper-dropdown>
  </paper-dropdown-menu>
  </template>
  <script>
    'use strict';
    Polymer('select-menu', {
      select: function(label) {
        this.$.menu.selected = label;
      },

      get selected() {
        return this.$.menu.selected;
      }
    });
  </script>
</polymer-element>