package de.laures.cewolf.taglib;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.List;

 import org.jfree.chart.JFreeChart;

 import org.jfree.chart.plot.DefaultDrawingSupplier;

 import org.jfree.chart.plot.DrawingSupplier;

 import de.laures.cewolf.ChartValidationException;

 import de.laures.cewolf.DatasetProduceException;

 /**

  * Chart definition subclass to handle combined charts

  *

  * @author guido

  * @author tbardzil

  */

 public class CombinedChartDefinition extends AbstractChartDefinition implements Serializable {

     private String layout;

     private List plotDefinitions = new ArrayList();

     private transient DrawingSupplier drawingSupplier = new DefaultDrawingSupplier();

     public void setLayout(String layout) {

         this.layout = layout;

     }

     public Object getDataset() throws DatasetProduceException {

         return ((PlotDefinition)plotDefinitions.get(0)).getDataset();

     }

     public void addPlot(PlotDefinition pd) {

         pd.setDrawingSupplier(drawingSupplier);

         plotDefinitions.add(pd);

     }

     protected JFreeChart produceChart() throws DatasetProduceException, ChartValidationException {

         return CewolfChartFactory.getCombinedChartInstance(type, title, xAxisLabel, yAxisLabel, plotDefinitions, layout);

     }

 }