// SetBaseline:

// The BarChartModel class lets you set a reference line that
// serves as a base line for the bar chart. Response values greater
// than the baseline value are displayed as bars above the baseline, 
// and response values below the baseline value are displayed as
// bars below the baseline value. To set the baseline, call the
// BarChartModel's setResponseAxisBaselineModel() method.

   import com.sas.graphics.components.barchart.BarChart;
   import com.sas.graphics.components.barchart.BarChartTableDataModel;
   import com.sas.graphics.components.AnalysisVariable;
   import com.sas.graphics.components.ClassificationVariable;
   import com.sas.graphics.components.barchart.BarChartModel;
   import com.sas.graphics.components.ReferenceLineModel;
   import com.sas.graphics.components.GraphConstants;
   import com.sas.graphics.components.StrokeLineStyle;
   import com.sas.measures.BaseLength;
   import javax.swing.table.DefaultTableModel;
   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;

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

     // Create a BarChart and a data source 
        BarChart barChart=new BarChart();
        SampleData dataTable=new SampleData();

     // Define a line style for the baseline
        StrokeLineStyle lineStyle=new StrokeLineStyle(
          StrokeLineStyle.SASGRAPH_LINE01,
          Color.red,
          new BaseLength(3, "pt"),
          GraphConstants.TRUE);

     // Create a reference line for the baseline
        ReferenceLineModel refModel = new ReferenceLineModel();
        refModel.setLineStyle(lineStyle);
        refModel.setPosition(40);

     // Set the baseline on the response axis
        barChart.getGraphModel()
         .setResponseAxisBaselineModel(refModel);

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

     // Assign the Category variable role, and the
     // BarResponse and LineResponse variable roles
        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");

        add(barChart, 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());
          SetBaseline  bipGraphSample = new SetBaseline ();

          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);
      }
   }