?? piechartdemo4.java
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package demo;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PieLabelLinkStyle;
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;
import org.jfree.util.SortOrder;
public class PieChartDemo4 extends ApplicationFrame
{
public PieChartDemo4(String paramString)
{
super(paramString);
JPanel localJPanel = createDemoPanel();
localJPanel.setPreferredSize(new Dimension(500, 270));
setContentPane(localJPanel);
}
private static DefaultPieDataset createDataset()
{
DefaultPieDataset localDefaultPieDataset = new DefaultPieDataset();
localDefaultPieDataset.setValue("Section A", new Double(43.200000000000003D));
localDefaultPieDataset.setValue("Section B", new Double(10.0D));
localDefaultPieDataset.setValue("Section C", new Double(27.5D));
localDefaultPieDataset.setValue("Section D", new Double(17.5D));
localDefaultPieDataset.setValue("Section E", new Double(11.0D));
localDefaultPieDataset.setValue("Section F", new Double(19.399999999999999D));
return localDefaultPieDataset;
}
private static JFreeChart createChart(PieDataset paramPieDataset)
{
JFreeChart localJFreeChart = ChartFactory.createPieChart("Pie Chart Demo 4", paramPieDataset, true, true, false);
PiePlot localPiePlot = (PiePlot)localJFreeChart.getPlot();
localPiePlot.setNoDataMessage("No data available");
localPiePlot.setCircular(false);
localPiePlot.setLabelGap(0.02D);
localPiePlot.setExplodePercent("Section D", 0.5D);
localPiePlot.setLabelLinkStyle(PieLabelLinkStyle.CUBIC_CURVE);
return localJFreeChart;
}
public static JPanel createDemoPanel()
{
return new MyDemoPanel(createDataset());
}
public static void main(String[] paramArrayOfString)
{
PieChartDemo4 localPieChartDemo4 = new PieChartDemo4("JFreeChart: PieChartDemo4.java");
localPieChartDemo4.pack();
RefineryUtilities.centerFrameOnScreen(localPieChartDemo4);
localPieChartDemo4.setVisible(true);
}
static JFreeChart access$000(PieDataset paramPieDataset)
{
return createChart(paramPieDataset);
}
private static class MyDemoPanel extends DemoPanel
implements ActionListener
{
JFreeChart chart;
DefaultPieDataset dataset;
boolean ascendingByKey = false;
boolean ascendingByValue = false;
public MyDemoPanel(DefaultPieDataset paramDefaultPieDataset)
{
super(new BorderLayout());
this.dataset = paramDefaultPieDataset;
this.chart = PieChartDemo4.access$000(paramDefaultPieDataset);
addChart(this.chart);
ChartPanel localChartPanel = new ChartPanel(this.chart);
add(localChartPanel);
JPanel localJPanel = new JPanel(new FlowLayout());
JButton localJButton1 = new JButton("By Key");
localJButton1.setActionCommand("BY_KEY");
localJButton1.addActionListener(this);
JButton localJButton2 = new JButton("By Value");
localJButton2.setActionCommand("BY_VALUE");
localJButton2.addActionListener(this);
JButton localJButton3 = new JButton("Random");
localJButton3.setActionCommand("RANDOM");
localJButton3.addActionListener(this);
JCheckBox localJCheckBox = new JCheckBox("Simple Labels");
localJCheckBox.setActionCommand("LABELS");
localJCheckBox.addActionListener(this);
localJPanel.add(localJButton1);
localJPanel.add(localJButton2);
localJPanel.add(localJButton3);
localJPanel.add(localJCheckBox);
add(localJPanel, "South");
}
public void actionPerformed(ActionEvent paramActionEvent)
{
String str = paramActionEvent.getActionCommand();
if ("BY_KEY".equals(str))
{
if (!(this.ascendingByKey))
{
this.dataset.sortByKeys(SortOrder.ASCENDING);
this.ascendingByKey = true;
}
else
{
this.dataset.sortByKeys(SortOrder.DESCENDING);
this.ascendingByKey = false;
}
}
else if ("BY_VALUE".equals(str))
{
if (!(this.ascendingByValue))
{
this.dataset.sortByValues(SortOrder.ASCENDING);
this.ascendingByValue = true;
}
else
{
this.dataset.sortByValues(SortOrder.DESCENDING);
this.ascendingByValue = false;
}
}
else
{
Object localObject1;
if ("RANDOM".equals(str))
{
localObject1 = new ArrayList(this.dataset.getKeys());
Collections.shuffle((List)localObject1);
DefaultPieDataset localDefaultPieDataset = new DefaultPieDataset();
Iterator localIterator = ((List)localObject1).iterator();
while (localIterator.hasNext())
{
localObject2 = (Comparable)localIterator.next();
localDefaultPieDataset.setValue((Comparable)localObject2, this.dataset.getValue((Comparable)localObject2));
}
Object localObject2 = (PiePlot)this.chart.getPlot();
((PiePlot)localObject2).setDataset(localDefaultPieDataset);
this.dataset = localDefaultPieDataset;
}
else if ("LABELS".equals(str))
{
localObject1 = (PiePlot)this.chart.getPlot();
boolean bool = ((PiePlot)localObject1).getSimpleLabels();
if (bool)
{
((PiePlot)localObject1).setInteriorGap(0.050000000000000003D);
((PiePlot)localObject1).setSimpleLabels(false);
}
else
{
((PiePlot)localObject1).setInteriorGap(0.01D);
((PiePlot)localObject1).setSimpleLabels(true);
}
}
}
}
}
}
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