Java tutorial
package org.jfree.chart.demo; import java.awt.Font; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.block.BlockBorder; import org.jfree.chart.block.BlockContainer; import org.jfree.chart.block.BorderArrangement; import org.jfree.chart.block.LabelBlock; import org.jfree.chart.plot.PiePlot; import org.jfree.chart.title.LegendTitle; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.HorizontalAlignment; import org.jfree.ui.RectangleEdge; import org.jfree.ui.RefineryUtilities; public class LegendWrapperDemo1 extends ApplicationFrame { private static final long serialVersionUID = 1L; public LegendWrapperDemo1(String s) { super(s); setContentPane(createDemoPanel()); } private static PieDataset createDataset() { DefaultPieDataset defaultpiedataset = new DefaultPieDataset(); defaultpiedataset.setValue("One", new Double(43.200000000000003D)); defaultpiedataset.setValue("Two", new Double(10D)); defaultpiedataset.setValue("Three", new Double(27.5D)); defaultpiedataset.setValue("Four", new Double(17.5D)); defaultpiedataset.setValue("Five", new Double(11D)); defaultpiedataset.setValue("Six", new Double(19.399999999999999D)); return defaultpiedataset; } private static JFreeChart createChart(PieDataset piedataset) { JFreeChart jfreechart = ChartFactory.createPieChart("Legend Wrapper Demo 1", piedataset, false, true, false); PiePlot pieplot = (PiePlot) jfreechart.getPlot(); pieplot.setLabelFont(new Font("SansSerif", 0, 12)); pieplot.setNoDataMessage("No data available"); pieplot.setCircular(true); pieplot.setLabelGap(0.02D); LegendTitle legendtitle = new LegendTitle(jfreechart.getPlot()); BlockContainer blockcontainer = new BlockContainer(new BorderArrangement()); blockcontainer.setFrame(new BlockBorder(1.0D, 1.0D, 1.0D, 1.0D)); LabelBlock labelblock = new LabelBlock("Legend Items:", new Font("SansSerif", 1, 12)); labelblock.setPadding(5D, 5D, 5D, 5D); blockcontainer.add(labelblock, RectangleEdge.TOP); LabelBlock labelblock1 = new LabelBlock("Source: http://www.jfree.org"); labelblock1.setPadding(8D, 20D, 2D, 5D); blockcontainer.add(labelblock1, RectangleEdge.BOTTOM); BlockContainer blockcontainer1 = legendtitle.getItemContainer(); blockcontainer1.setPadding(2D, 10D, 5D, 2D); blockcontainer.add(blockcontainer1); legendtitle.setWrapper(blockcontainer); legendtitle.setPosition(RectangleEdge.RIGHT); legendtitle.setHorizontalAlignment(HorizontalAlignment.LEFT); jfreechart.addSubtitle(legendtitle); return jfreechart; } public static JPanel createDemoPanel() { JFreeChart jfreechart = createChart(createDataset()); return new ChartPanel(jfreechart); } public static void main(String args[]) { LegendWrapperDemo1 legendwrapperdemo1 = new LegendWrapperDemo1("Legend Wrapper Demo 1"); legendwrapperdemo1.pack(); RefineryUtilities.centerFrameOnScreen(legendwrapperdemo1); legendwrapperdemo1.setVisible(true); } }