?? piechartdemo8.java
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package demo;
import java.awt.Dimension;
import java.awt.font.TextAttribute;
import java.text.AttributedString;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.PieSectionLabelGenerator;
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 PieChartDemo8 extends ApplicationFrame
{
public PieChartDemo8(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", new Double(43.200000000000003D));
localDefaultPieDataset.setValue("Two", new Double(10.0D));
localDefaultPieDataset.setValue("Three", new Double(27.5D));
localDefaultPieDataset.setValue("Four", new Double(17.5D));
localDefaultPieDataset.setValue("Five", new Double(11.0D));
localDefaultPieDataset.setValue("Six", new Double(19.399999999999999D));
return localDefaultPieDataset;
}
private static JFreeChart createChart(PieDataset paramPieDataset)
{
JFreeChart localJFreeChart = ChartFactory.createPieChart("Pie Chart Demo 8", paramPieDataset, false, true, false);
PiePlot localPiePlot = (PiePlot)localJFreeChart.getPlot();
localPiePlot.setLabelGenerator(new CustomLabelGenerator());
return localJFreeChart;
}
public static JPanel createDemoPanel()
{
JFreeChart localJFreeChart = createChart(createDataset());
return new ChartPanel(localJFreeChart);
}
public static void main(String[] paramArrayOfString)
{
PieChartDemo8 localPieChartDemo8 = new PieChartDemo8("JFreeChart: PieChartDemo8.java");
localPieChartDemo8.pack();
RefineryUtilities.centerFrameOnScreen(localPieChartDemo8);
localPieChartDemo8.setVisible(true);
}
static class CustomLabelGenerator
implements PieSectionLabelGenerator
{
public String generateSectionLabel(PieDataset paramPieDataset, Comparable paramComparable)
{
String str = null;
if ((paramPieDataset != null) && (!(paramComparable.equals("Two"))))
str = paramComparable.toString();
return str;
}
public AttributedString generateAttributedSectionLabel(PieDataset paramPieDataset, Comparable paramComparable)
{
AttributedString localAttributedString = null;
String str1 = paramComparable.toString();
String str2 = str1 + " : " + String.valueOf(paramPieDataset.getValue(paramComparable));
localAttributedString = new AttributedString(str2);
localAttributedString.addAttribute(TextAttribute.WEIGHT, TextAttribute.WEIGHT_BOLD, 0, str1.length() - 1);
return localAttributedString;
}
}
}
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