Controls Example

An example of controlling a Google Chart post draw.

by AMS7

HTML

<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['corechart', 'controls']}]}"></script>
       <div id="programmatic_dashboard_div" style="border: 1px solid #ccc">
      <table class="columns">
        <tr>
          <td>
            <div id="programmatic_control_div" style="padding-left: 2em; min-width: 250px"></div>
            <div>
              <button style="margin: 1em 1em 1em 2em" onclick="changeRange();">
                Select range [2, 5]
              </button><br />
              <button style="margin: 1em 1em 1em 2em" onclick="changeOptions();">
                Make the pie chart 3D
              </button>
            </div>
            <script type="text/javascript">
              function changeRange() {
                programmaticSlider.setState({'lowValue': 2, 'highValue': 5});
                programmaticSlider.draw();
              }

              function changeOptions() {
                programmaticChart.setOption('is3D', true);
                programmaticChart.draw();
              }
            </script>
          </td>
          <td>
            <div id="programmatic_chart_div"></div>
          </td>
        </tr>
      </table>
    </div>

JavaScript

google.setOnLoadCallback(drawChart);

      function drawChart() {

        var dashboard = new google.visualization.Dashboard(
          document.getElementById('programmatic_dashboard_div'));

        // We omit "var" so that programmaticSlider is visible to changeRange.
        programmaticSlider = new google.visualization.ControlWrapper({
          'controlType': 'NumberRangeFilter',
          'containerId': 'programmatic_control_div',
          'options': {
            'filterColumnLabel': 'Donuts eaten',
            'ui': {'labelStacking': 'vertical'}
          }
        });

       programmaticChart  = new google.visualization.ChartWrapper({
        'chartType': 'PieChart',
        'containerId': 'programmatic_chart_div',
        'options': {
          'width': 300,
          'height': 300,
          'legend': 'none',
          'chartArea': {'left': 15, 'top': 15, 'right': 0, 'bottom': 0},
          'pieSliceText': 'value'
        }
      });
  
      var data = google.visualization.arrayToDataTable([
        ['Name', 'Percent of Visits'],
        ['Michael' , 2],
        ['Other', 98],
      ]);

      dashboard.bind(programmaticSlider, programmaticChart);
      dashboard.draw(data);
    }