// ChangeStyle:

    // Numerous pre-defined styles are available to all BIP graphs.
    // The styles control visual characteristics of the graph, such
    // as the fonts and color scheme it uses.
    //
    // To change a graph's style, call the PieChart's applyGraphStyle() method

       import com.sas.graphics.components.piechart.PieChart;
       import com.sas.graphics.components.GraphStyle;
       import com.sas.graphics.components.piechart.PieChartTableDataModel;
       import com.sas.graphics.components.AnalysisVariable;
       import com.sas.graphics.components.ClassificationVariable;
       import java.awt.BorderLayout;
       import java.awt.Color;
       import java.awt.Container;
       import java.awt.event.WindowAdapter;
       import java.awt.event.WindowEvent;
       import javax.swing.JFrame;
       import javax.swing.JPanel;
       import javax.swing.table.DefaultTableModel;

       public class ChangeStyle extends JPanel  {
         private ChangeStyle  theApp;
         public ChangeStyle () {
            setLayout(new BorderLayout());

      // Create a PieChart instance
         PieChart pieChart = new PieChart();

      // Override the default style
         pieChart.applyGraphStyle(
                 new GraphStyle(GraphStyle.STYLE_ANALYSIS));

      // Create a simple SAS table and add data to it
         SampleData dataTable=new SampleData();

      // Create a data model and attach the data source to it
         PieChartTableDataModel pieChartDataModel=
                 new PieChartTableDataModel(dataTable);

      // Assign the Category and Response variable roles
         pieChartDataModel.setCategoryVariable(
                 new ClassificationVariable("EnergyType"));
         pieChartDataModel.setResponseVariable(
                 new AnalysisVariable("Produced"));

      // Assign the data model to the PieChart
         pieChart.setDataModel(pieChartDataModel);

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

            add(pieChart, BorderLayout.CENTER);
          }
       // Create the data source
          static private class SampleData extends DefaultTableModel {
            private static Class  columnClass[]={String.class, String.class,
                                                 Double.class, Double.class};
            private static String columnNames[]={"EnergyType","Year","Produced","Consumed"};
              public SampleData() {
    	    super();
                Object data[][] = {
                  {"coal", "1985", new Double(19.33), new Double(17.48) },
                  {"gas", "1985", new Double(16.92), new Double(17.85) },
                  {"petro", "1985", new Double(21.23), new Double(30.92) },
                  {"hydro", "1985", new Double(2.94), new Double(3.36) },
                  {"nuclear", "1985", new Double(4.15), new Double(4.15) },
                  {"geotherm", "1985", new Double(0.20), new Double(0.20) },

                  {"coal", "1986", new Double(19.51), new Double(17.26) },
                  {"gas", "1986", new Double(16.47), new Double(16.71) },
                  {"petro", "1986", new Double(20.53), new Double(32.20) },
                  {"hydro", "1986", new Double(3.03), new Double(3.40) },
                  {"nuclear", "1986", new Double(4.47), new Double(4.47) },
                  {"geotherm", "1986", new Double(0.22), new Double(0.22) },

                  {"coal", "1987", new Double(20.14), new Double(18.01) },
                  {"gas", "1987", new Double(17.05), new Double(17.67) },
                  {"petro", "1987", new Double(19.89), new Double(32.87) },
                  {"hydro", "1987", new Double(2.59), new Double(3.07) },
                  {"nuclear", "1987", new Double(4.91), new Double(4.91) },
                  {"geotherm", "1987", new Double(0.23), new Double(0.23) },

                  {"coal", "1988", new Double(20.94), new Double(18.81) },
                  {"gas", "1988", new Double(17.19), new Double(18.60) },
                  {"petro", "1988", new Double(19.52), new Double(33.96) },
                  {"hydro", "1988", new Double(2.32), new Double(2.62) },
                  {"nuclear", "1988", new Double(5.68), new Double(5.68) },
                  {"geotherm", "1988", new Double(0.22), new Double(0.22) }
                };
                setDataVector(data, columnNames);
              }
              public Class getColumnClass(int column) {
    	    return columnClass[column];
    	  }
          }
          public static void main(String[] args) {
          	  JFrame frame = new JFrame("BIP Graph Sample");
          	  Container container = frame.getContentPane();
              container.setLayout(new BorderLayout());
              container.setBackground(Color.white);

              JPanel bipPanel = new JPanel();
              bipPanel.setLayout(new BorderLayout());
              ChangeStyle  bipGraphSample = new ChangeStyle ();

              bipPanel.add(bipGraphSample, BorderLayout.CENTER);
              container.add(bipPanel, BorderLayout.CENTER);

              frame.setSize(600,450);
              frame.addWindowListener(new WindowAdapter() {
                  public void windowClosing(WindowEvent e) {
                         System.exit(0);
                  }
              } );
              frame.setVisible(true);
          }
       }