piechartdemo2.java

来自「Jfreechart 源码例子 是和jfreechart developmen」· Java 代码 · 共 71 行

package demo;

import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class PieChartDemo2 extends ApplicationFrame
{
  public PieChartDemo2(String paramString)
  {
    super(paramString);
    JPanel localJPanel = createDemoPanel();
    localJPanel.setPreferredSize(new Dimension(500, 270));
    setContentPane(localJPanel);
  }

  private static PieDataset createDataset()
  {
    DefaultPieDataset localDefaultPieDataset = new DefaultPieDataset();
    localDefaultPieDataset.setValue("One", 43.200000000000003D);
    localDefaultPieDataset.setValue("Two", 10.0D);
    localDefaultPieDataset.setValue("Three", 27.5D);
    localDefaultPieDataset.setValue("Four", 17.5D);
    localDefaultPieDataset.setValue("Five", 11.0D);
    localDefaultPieDataset.setValue("Six", 19.399999999999999D);
    return localDefaultPieDataset;
  }

  private static JFreeChart createChart(PieDataset paramPieDataset)
  {
    JFreeChart localJFreeChart = ChartFactory.createPieChart("Pie Chart Demo 2", paramPieDataset, true, true, false);
    PiePlot localPiePlot = (PiePlot)localJFreeChart.getPlot();
    localPiePlot.setSectionPaint("One", new Color(160, 160, 255));
    localPiePlot.setSectionPaint("Two", new Color(128, 128, 223));
    localPiePlot.setSectionPaint("Three", new Color(96, 96, 191));
    localPiePlot.setSectionPaint("Four", new Color(64, 64, 159));
    localPiePlot.setSectionPaint("Five", new Color(32, 32, 127));
    localPiePlot.setSectionPaint("Six", new Color(0, 0, 111));
    localPiePlot.setNoDataMessage("No data available");
    localPiePlot.setExplodePercent("Two", 0.20000000000000001D);
    localPiePlot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2} percent)"));
    localPiePlot.setLabelBackgroundPaint(new Color(220, 220, 220));
    localPiePlot.setLegendLabelToolTipGenerator(new StandardPieSectionLabelGenerator("Tooltip for legend item {0}"));
    localPiePlot.setSimpleLabels(true);
    localPiePlot.setInteriorGap(0D);
    return localJFreeChart;
  }

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

  public static void main(String[] paramArrayOfString)
  {
    PieChartDemo2 localPieChartDemo2 = new PieChartDemo2("JFreeChart: PieChartDemo2.java");
    localPieChartDemo2.pack();
    RefineryUtilities.centerFrameOnScreen(localPieChartDemo2);
    localPieChartDemo2.setVisible(true);
  }
}