Controls Example

An example of controlling a Google Chart post draw.

by Florian Gropp

HTML

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></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.charts.load('current', {
        'packages': ['corechart', 'controls']
      });
      google.charts.setOnLoadCallback(drawStuff);

      function drawStuff() {

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

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

        var 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', 'Donuts eaten'],
          ['Michael', 5],
          ['Elisa', 7],
          ['Robert', 3],
          ['John', 2],
          ['Jessica', 6],
          ['Aaron', 1],
          ['Margareth', 8]
        ]);

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

        changeRange = function() {
          programmaticSlider.setState({
            'lowValue': 2,
            'highValue': 5
          });
          programmaticSlider.draw();
        };

        changeOptions = function() {
          programmaticChart.setOption('is3D', true);
          programmaticChart.draw();
        };
      }