StackedXYAreaChartDemo2 jfreechat demo源代码

package net.java2000.jfreechat.demo;

import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2;
import org.jfree.data.xy.CategoryTableXYDataset;
import org.jfree.data.xy.TableXYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class StackedXYAreaChartDemo2 extends ApplicationFrame {

  public StackedXYAreaChartDemo2(String s) {
    super(s);
    JPanel jpanel = createDemoPanel();
    jpanel.setPreferredSize(new Dimension(500, 270));
    setContentPane(jpanel);
  }

  private static TableXYDataset createDataset() {
    CategoryTableXYDataset categorytablexydataset = new CategoryTableXYDataset();
    categorytablexydataset.add(0.0D, 0.0D, "Series 1");
    categorytablexydataset.add(10D, 20D, "Series 1");
    categorytablexydataset.add(20D, 15D, "Series 1");
    categorytablexydataset.add(30D, 25D, "Series 1");
    categorytablexydataset.add(40D, 21D, "Series 1");
    categorytablexydataset.add(10D, 9D, "Series 2");
    categorytablexydataset.add(20D, -7D, "Series 2");
    categorytablexydataset.add(30D, 15D, "Series 2");
    categorytablexydataset.add(40D, 11D, "Series 2");
    categorytablexydataset.add(45D, -10D, "Series 2");
    categorytablexydataset.add(50D, 0.0D, "Series 2");
    return categorytablexydataset;
  }

  private static JFreeChart createChart(TableXYDataset tablexydataset) {
    JFreeChart jfreechart = ChartFactory.createStackedXYAreaChart("Stacked XY Area Chart Demo 2",
        "X Value", "Y Value", tablexydataset, PlotOrientation.VERTICAL, true, true, false);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    StackedXYAreaRenderer2 stackedxyarearenderer2 = new StackedXYAreaRenderer2();
    stackedxyarearenderer2.setRoundXCoordinates(true);
    stackedxyarearenderer2.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    xyplot.setRenderer(0, stackedxyarearenderer2);
    return jfreechart;
  }

  public static JPanel createDemoPanel() {
    JFreeChart jfreechart = createChart(createDataset());
    return new ChartPanel(jfreechart);
  }

  public static void main(String args[]) {
    StackedXYAreaChartDemo2 stackedxyareachartdemo2 = new StackedXYAreaChartDemo2(
        "Stacked XY Area Chart Demo 2");
    stackedxyareachartdemo2.pack();
    RefineryUtilities.centerFrameOnScreen(stackedxyareachartdemo2);
    stackedxyareachartdemo2.setVisible(true);
  }
}