superdemo.java

jfreechart1.0.6源程序,没有注释,不过都能运行起来

package demo;

import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Rectangle2D;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.filechooser.FileFilter;
import javax.swing.tree.*;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.ui.*;

// Referenced classes of package demo:
//            MemoryUsageDemo, DemoDescription

public class SuperDemo extends ApplicationFrame
    implements ActionListener, TreeSelectionListener
{
    static class DisplayDemo
        implements Runnable
    {

        public void run()
        {
            try
            {
                Class class1 = Class.forName(demoDescription.getClassName());
                Method method = class1.getDeclaredMethod("createDemoPanel", null);
                JPanel jpanel = (JPanel)method.invoke(null, null);
                app.chartContainer.removeAll();
                app.chartContainer.add(jpanel);
                app.displayPanel.validate();
                String s = class1.getName();
                String s1 = s;
                int i = s.lastIndexOf('.');
                if(i > 0)
                    s1 = s.substring(i + 1);
                s1 = s1 + ".html";
                app.displayDescription(s1);
            }
            catch(ClassNotFoundException classnotfoundexception)
            {
                classnotfoundexception.printStackTrace();
            }
            catch(NoSuchMethodException nosuchmethodexception)
            {
                nosuchmethodexception.printStackTrace();
            }
            catch(InvocationTargetException invocationtargetexception)
            {
                invocationtargetexception.printStackTrace();
            }
            catch(IllegalAccessException illegalaccessexception)
            {
                illegalaccessexception.printStackTrace();
            }
        }

        private SuperDemo app;
        private DemoDescription demoDescription;

        public DisplayDemo(SuperDemo superdemo, DemoDescription demodescription)
        {
            app = superdemo;
            demoDescription = demodescription;
        }
    }

    static class PDFExportTask
        implements Runnable
    {

        public void run()
        {
            try
            {
                SuperDemo.saveChartAsPDF(file, chart, width, height, new DefaultFontMapper());
            }
            catch(IOException ioexception)
            {
                ioexception.printStackTrace();
            }
        }

        JFreeChart chart;
        int width;
        int height;
        File file;

        public PDFExportTask(JFreeChart jfreechart, int i, int j, File file1)
        {
            chart = jfreechart;
            file = file1;
            width = i;
            height = j;
            jfreechart.setBorderVisible(true);
            jfreechart.setPadding(new RectangleInsets(2D, 2D, 2D, 2D));
        }
    }


    public SuperDemo(String s)
    {
        super(s);
        setContentPane(createContent());
        setJMenuBar(createMenuBar());
    }

    private JComponent createContent()
    {
        JPanel jpanel = new JPanel(new BorderLayout());
        JTabbedPane jtabbedpane = new JTabbedPane();
        JPanel jpanel1 = new JPanel(new BorderLayout());
        jpanel1.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        JSplitPane jsplitpane = new JSplitPane(1);
        JTree jtree = new JTree(createTreeModel());
        jtree.addTreeSelectionListener(this);
        JScrollPane jscrollpane = new JScrollPane(jtree);
        jscrollpane.setPreferredSize(new Dimension(300, 100));
        jsplitpane.setLeftComponent(jscrollpane);
        jsplitpane.setRightComponent(createChartDisplayPanel());
        jpanel1.add(jsplitpane);
        jtabbedpane.add("Demos", jpanel1);
        MemoryUsageDemo memoryusagedemo = new MemoryUsageDemo(0x493e0);
        (new MemoryUsageDemo.DataGenerator(memoryusagedemo, 1000)).start();
        jtabbedpane.add("Memory Usage", memoryusagedemo);
        jtabbedpane.add("Source Code", createSourceCodePanel());
        jtabbedpane.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        jpanel.add(jtabbedpane);
        return jpanel;
    }

    private JMenuBar createMenuBar()
    {
        JMenuBar jmenubar = new JMenuBar();
        JMenu jmenu = new JMenu("File", true);
        jmenu.setMnemonic('F');
        JMenuItem jmenuitem = new JMenuItem("Export to PDF...", 112);
        jmenuitem.setActionCommand("EXPORT_TO_PDF");
        jmenuitem.addActionListener(this);
        jmenu.add(jmenuitem);
        jmenu.addSeparator();
        JMenuItem jmenuitem1 = new JMenuItem("Exit", 120);
        jmenuitem1.setActionCommand("EXIT");
        jmenuitem1.addActionListener(this);
        jmenu.add(jmenuitem1);
        jmenubar.add(jmenu);
        return jmenubar;
    }

    private JPanel createSourceCodePanel()
    {
        JPanel jpanel = new JPanel(new BorderLayout());
        jpanel.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        JEditorPane jeditorpane = new JEditorPane();
        jeditorpane.setEditable(false);
        java.net.URL url = (demo.SuperDemo.class).getResource("source.html");
        if(url != null)
            try
            {
                jeditorpane.setPage(url);
            }
            catch(IOException ioexception)
            {
                System.err.println("Attempted to read a bad URL: " + url);
            }
        else
            System.err.println("Couldn't find file: source.html");
        JScrollPane jscrollpane = new JScrollPane(jeditorpane);
        jscrollpane.setVerticalScrollBarPolicy(20);
        jscrollpane.setPreferredSize(new Dimension(250, 145));
        jscrollpane.setMinimumSize(new Dimension(10, 10));
        jpanel.add(jscrollpane);
        return jpanel;
    }

    public void actionPerformed(ActionEvent actionevent)
    {
        String s = actionevent.getActionCommand();
        if(s.equals("EXPORT_TO_PDF"))
            exportToPDF();