{% extends "graphos/gchart/base.html" %}

{% block create_chart %}
  var chart_data = data;
  var chart_div = document.getElementById('{{ chart.get_html_id }}');
  var chart = new google.visualization.ColumnChart(chart_div);

  var data = new google.visualization.DataView(chart_data);
      data.setColumns([0, 1,
                       { calc: "stringify",
                         sourceColumn: 1,
                         type: "string",
                         role: "annotation" },
                       ]);

  // Wait for the chart to finish drawing before calling the getImageURI() method.
  google.visualization.events.addListener(chart, 'ready', function () {
        $("#image-{{ chart.get_html_id }}").attr("href", chart.getImageURI());
  });
{% endblock %}