spiderwebchartdemo1.java

Jfreechart 源码例子 是和jfreechart development Guide文档相配套的

package demo;

import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.SpiderWebPlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RectangleEdge;
import org.jfree.ui.RefineryUtilities;

public class SpiderWebChartDemo1 extends ApplicationFrame
{
  public SpiderWebChartDemo1(String paramString)
  {
    super(paramString);
    JPanel localJPanel = createDemoPanel();
    localJPanel.setPreferredSize(new Dimension(500, 270));
    setContentPane(localJPanel);
  }

  private static CategoryDataset createDataset()
  {
    String str1 = "First";
    String str2 = "Second";
    String str3 = "Third";
    String str4 = "Category 1";
    String str5 = "Category 2";
    String str6 = "Category 3";
    String str7 = "Category 4";
    String str8 = "Category 5";
    DefaultCategoryDataset localDefaultCategoryDataset = new DefaultCategoryDataset();
    localDefaultCategoryDataset.addValue(1D, str1, str4);
    localDefaultCategoryDataset.addValue(4.0D, str1, str5);
    localDefaultCategoryDataset.addValue(3.0D, str1, str6);
    localDefaultCategoryDataset.addValue(5.0D, str1, str7);
    localDefaultCategoryDataset.addValue(5.0D, str1, str8);
    localDefaultCategoryDataset.addValue(5.0D, str2, str4);
    localDefaultCategoryDataset.addValue(7.0D, str2, str5);
    localDefaultCategoryDataset.addValue(6.0D, str2, str6);
    localDefaultCategoryDataset.addValue(8.0D, str2, str7);
    localDefaultCategoryDataset.addValue(4.0D, str2, str8);
    localDefaultCategoryDataset.addValue(4.0D, str3, str4);
    localDefaultCategoryDataset.addValue(3.0D, str3, str5);
    localDefaultCategoryDataset.addValue(2.0D, str3, str6);
    localDefaultCategoryDataset.addValue(3.0D, str3, str7);
    localDefaultCategoryDataset.addValue(6.0D, str3, str8);
    return localDefaultCategoryDataset;
  }

  private static JFreeChart createChart(CategoryDataset paramCategoryDataset)
  {
    SpiderWebPlot localSpiderWebPlot = new SpiderWebPlot(paramCategoryDataset);
    localSpiderWebPlot.setStartAngle(54.0D);
    localSpiderWebPlot.setInteriorGap(0.40000000000000002D);
    localSpiderWebPlot.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    JFreeChart localJFreeChart = new JFreeChart("Spider Web Chart Demo 1", TextTitle.DEFAULT_FONT, localSpiderWebPlot, false);
    LegendTitle localLegendTitle = new LegendTitle(localSpiderWebPlot);
    localLegendTitle.setPosition(RectangleEdge.BOTTOM);
    localJFreeChart.addSubtitle(localLegendTitle);
    ChartUtilities.applyCurrentTheme(localJFreeChart);
    return localJFreeChart;
  }

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

  public static void main(String[] paramArrayOfString)
  {
    SpiderWebChartDemo1 localSpiderWebChartDemo1 = new SpiderWebChartDemo1("JFreeChart: SpiderWebChartDemo1.java");
    localSpiderWebChartDemo1.pack();
    RefineryUtilities.centerFrameOnScreen(localSpiderWebChartDemo1);
    localSpiderWebChartDemo1.setVisible(true);
  }
}