Based on Nicolas Bouillon nicolas@bouil.org angular-google-chart but added controllers.
Controllers and Charts is part of a dashboard
<google-dashboard dashboard="dashboard">
<google-chart chart="chart1" on-select="onSelected(selectedItem)"></google-chart>
<google-chart chart="chart2" on-select="onSelected(selectedItem)"></google-chart>
<google-controller controller="controller" style="height:50px"></google-controller>
</google-dashboard>