<%// SubgroupData:%>

<%
// To generate a bar chart that displays subgroups (segments) within each bar,
// assign the Subgroup variable role to a categorical variable whose unique
// values can be used to form the bar segments. 
%>

<%@page import="
  com.sas.servlet.tbeans.graphics.html.BarChart,
  com.sas.graphics.components.barchart.BarChartTableDataModel,
  com.sas.graphics.components.AnalysisVariable,
  com.sas.graphics.components.ClassificationVariable,
  com.sas.swing.models.TableModelAdapter,
  com.sas.models.SimpleTable"
%>

<%
 // Create a BarChart instance
    BarChart barChart = new BarChart();

 // Create a simple SAS table and add data to it
    SimpleTable table = new SimpleTable();
%>

<%@ include file="EnergyData.jsp" %>

<% 
 // Convert a simple SAS table to a simple Java Swing table
    TableModelAdapter tma = new TableModelAdapter(table);
    tma.setFormattedDataUsed(false);

 // Create a data model and attach the data source
    BarChartTableDataModel dataModel=
      new BarChartTableDataModel(tma);

 // Assign the data model to the BarChart
    barChart.setDataModel(dataModel);

 // Assign the Subgroup role to a categorical variable
    dataModel.setSubgroupVariable(
      new ClassificationVariable("Year"));

  // Assign the Category variable role, and optionally the
  // Response variable role, to appropriate variable(s)
     dataModel.setCategoryVariable(
       new ClassificationVariable("EnergyType"));
     dataModel.setResponseVariable(
       new AnalysisVariable("Produced"));

 // Assign the data model to the BarChart
    barChart.setDataModel(dataModel);

 // Set a graph title
    barChart.getTitle1().setText("Energy Production");

 // Set HTTP-specific response and request functionality
    barChart.setResponse(response);
    barChart.setRequest(request);

 // Write the chart to the display
    barChart.write(out);
%>