Polymer tabs: very simpleexample with binding to the content

This pen shows how to bind paper-tabs with sections using core-selector.

HTML

<script src="http://www.polymer-project.org/platform.js"></script>
<link rel="import" href="http://www.polymer-project.org/components/polymer/polymer.html">
<link rel="import" href="http://www.polymer-project.org/components/paper-tabs/paper-tabs.html">
<link href="http://www.polymer-project.org/components/core-icons/core-icons.html" rel="import">
<link href="http://www.polymer-project.org/components/paper-item/paper-item.html" rel="import">
<link rel="import" href="http://www.polymer-project.org/components/paper-menu-button/paper-menu-button.html">
<script src="http://scenejs.org/api/latest/scenejs.js"></script>
<polymer-element name="tabs-with-content">
    <template>
        <style type="text/css">
            section {
                position: absolute !important;
                top: -9999px !important;
                left: -9999px !important;
            }
            section.core-selected {
                position: static !important;
                top: 0px !important;
                left: 0px !important;
            }
        </style>
        <div horizontal layout>
            <div>
                <paper-menu-button icon="menu">
                    <paper-item>Load map</paper-item>
                    <paper-item>Save map</paper-item>
                    <paper-item>Login user</paper-item>
                </paper-menu-button>
            </div>
            <div flex>
                <paper-tabs selected="{{selected}}">
                    <paper-tab>ViewCenter</paper-tab>
                    <paper-tab>Plugins</paper-tab>
                    <paper-tab>Configuration</paper-tab>
                </paper-tabs>
            </div>
        </div>
        <core-selector selected="{{selected}}" flex layout vertical>
            <section flex layout vertical>
                <canvas id="myCanvas" flex></canvas>
            </section>
            <section><mt-plugins></mt-plugins></section>
            <section><mt-conf></mt-conf></section>
       ...