superdemo.java

很好的制作统计图表的代码

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 8/14/2005 10:56:19 AM
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 

package org.jfree.chart.demo;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.PrintStream;
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.tree.*;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

// 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;
        }
    }


    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);
        jsplitpane.setLeftComponent(new JScrollPane(jtree));
        jsplitpane.setRightComponent(createChartDisplayPanel());
        jpanel1.add(jsplitpane);
        jtabbedpane.add("Demos", jpanel1);
        MemoryUsageDemo memoryusagedemo = new MemoryUsageDemo(0x493e0);
        //(new MemoryUsageDemo.DataGenerator(memoryusagedemo, 1000)).start();
        (memoryusagedemo. new DataGenerator(100)).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("Exit", 120);
        jmenuitem.setActionCommand("EXIT");
        jmenuitem.addActionListener(this);
        jmenu.add(jmenuitem);
        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 = (org.jfree.chart.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("EXIT"))
            attemptExit();
    }

    private void attemptExit()
    {
        String s = "Confirm";
        String s1 = "Are you sure you want to exit the demo?";
        int i = JOptionPane.showConfirmDialog(this, s1, s, 0, 3);
        if(i == 0)
        {
            dispose();
            System.exit(0);
        }
    }

    private JPanel createChartDisplayPanel()
    {
        displayPanel = new JPanel(new BorderLayout());
        chartContainer = new JPanel(new BorderLayout());
        chartContainer.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4), BorderFactory.createLineBorder(Color.black)));
        chartContainer.add(createNoDemoSelectedPanel());
        descriptionContainer = new JPanel(new BorderLayout());
        descriptionContainer.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        descriptionContainer.setPreferredSize(new Dimension(600, 140));
        descriptionPane = new JTextPane();
        descriptionPane.setEditable(false);
        JScrollPane jscrollpane = new JScrollPane(descriptionPane, 20, 31);
        descriptionContainer.add(jscrollpane);
        displayDescription("select.html");
        JSplitPane jsplitpane = new JSplitPane(0);
        jsplitpane.setTopComponent(chartContainer);
        jsplitpane.setBottomComponent(descriptionContainer);
        displayPanel.add(jsplitpane);
        jsplitpane.setDividerLocation(0.75D);
        return displayPanel;
    }

    private TreeModel createTreeModel()
    {
        DefaultMutableTreeNode defaultmutabletreenode = new DefaultMutableTreeNode("JFreeChart");
        defaultmutabletreenode.add(createPieChartsNode());
        defaultmutabletreenode.add(createBarChartsNode());