java2demo.java

一个小公司要求给写的很简单的任务管理系统。

/*
 * @(#)Java2Demo.java	1.50 06/08/29
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduce the above copyright notice, 
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL 
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, 
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY 
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * @(#)Java2Demo.java	1.50 06/08/29
 */


package java2d;

import java.awt.*;
import java.awt.event.*;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;
import javax.swing.*;
import javax.swing.border.*;

import static java2d.CustomControlsContext.State.*;


/**
 * A demo that shows Java 2D(TM) features.
 *
 * @version @(#)Java2Demo.java	1.33 99/08/16
 * @author Brian Lichtenwalter  (Framework, Intro, demos)
 * @author Jim Graham           (demos)
 */
public class Java2Demo extends JPanel implements ItemListener, ActionListener
{

    static Java2Demo demo;
    static GlobalControls controls;
    static MemoryMonitor memorymonitor;
    static PerformanceMonitor performancemonitor;
    static JTabbedPane tabbedPane;
    static JLabel progressLabel;
    static JProgressBar progressBar;
    static DemoGroup group[];
    static JCheckBoxMenuItem verboseCB;
    static JCheckBoxMenuItem ccthreadCB;
    static JCheckBoxMenuItem printCB = new JCheckBoxMenuItem("Default Printer");
    static Color backgroundColor;
    static JCheckBoxMenuItem memoryCB, perfCB;
    static Intro intro;
    static String[][] demos = 
    { 
        {"Arcs_Curves", "Arcs", "BezierAnim", "Curves", "Ellipses"},
        {"Clipping", "Areas", "ClipAnim", "Intersection", "Text"},
        {"Colors", "BullsEye", "ColorConvert", "Rotator3D"},
        {"Composite", "ACimages", "ACrules", "FadeAnim"},
        {"Fonts", "AttributedStr", "Highlighting", "Outline", "Tree"},
        {"Images", "DukeAnim", "ImageOps", "JPEGFlip", "WarpImage"},
        {"Lines", "Caps", "Dash", "Joins", "LineAnim"},
        {"Mix", "Balls", "BezierScroller", "Stars3D"},
        {"Paint", "GradAnim", "Gradient", "Texture", "TextureAnim"},
        {"Paths", "Append", "CurveQuadTo", "FillStroke", "WindingRule"},
        {"Transforms", "Rotate", "SelectTx", "TransformAnim"}
    };

    private JCheckBoxMenuItem controlsCB;
    private JMenuItem runMI, cloneMI, fileMI, backgMI;
    private JMenuItem ccthreadMI, verboseMI;
    private RunWindow runwindow;
    private CloningFeature cloningfeature;
    private JFrame rf, cf;
    private GlobalPanel gp;



    /**
     * Construct the Java2D Demo.
     */
    public Java2Demo() {

        setLayout(new BorderLayout());
        setBorder(new EtchedBorder());

        add(createMenuBar(), BorderLayout.NORTH);

        // hard coding 14 = 11 demo dirs + images + fonts + Intro
        progressBar.setMaximum(13);   
        progressLabel.setText("Loading images");
        new DemoImages();
        progressBar.setValue(progressBar.getValue() + 1);
        progressLabel.setText("Loading fonts");
        new DemoFonts();
        progressBar.setValue(progressBar.getValue() + 1);
        progressLabel.setText("Loading Intro");
        intro = new Intro();
        progressBar.setValue(progressBar.getValue() + 1);
        UIManager.put("Button.margin", new Insets(0,0,0,0));
       
        controls = new GlobalControls();
        memorymonitor = new MemoryMonitor();
        performancemonitor = new PerformanceMonitor();

        GlobalPanel gp = new GlobalPanel();

        tabbedPane = new JTabbedPane();
        tabbedPane.setFont(new Font("serif", Font.PLAIN, 12));
        tabbedPane.addTab("", new J2DIcon(), gp);
        tabbedPane.addChangeListener(gp);

        group = new DemoGroup[demos.length];
        for (int i = 0; i < demos.length; i++) {
            progressLabel.setText("Loading demos." + demos[i][0]);
            group[i] = new DemoGroup(demos[i][0]);
            tabbedPane.addTab(demos[i][0], null);
            progressBar.setValue(progressBar.getValue() + 1);
        }

        add(tabbedPane, BorderLayout.CENTER);
    }

 
    private JMenuBar createMenuBar() {

        JPopupMenu.setDefaultLightWeightPopupEnabled(false);
        JMenuBar menuBar = new JMenuBar();

        if (Java2DemoApplet.applet == null) {
            JMenu file = (JMenu) menuBar.add(new JMenu("File"));
            fileMI = (JMenuItem) file.add(new JMenuItem("Exit"));
            fileMI.addActionListener(this);
        }

        JMenu options = (JMenu) menuBar.add(new JMenu("Options"));

        controlsCB = (JCheckBoxMenuItem) options.add(
                new JCheckBoxMenuItem("Global Controls", true));
        controlsCB.addItemListener(this);

        memoryCB = (JCheckBoxMenuItem) options.add(
                new JCheckBoxMenuItem("Memory Monitor", true));
        memoryCB.addItemListener(this);

        perfCB = (JCheckBoxMenuItem) options.add(
                new JCheckBoxMenuItem("Performance Monitor", true));
        perfCB.addItemListener(this);

        options.add(new JSeparator());

        ccthreadCB = (JCheckBoxMenuItem) options.add(
                new JCheckBoxMenuItem("Custom Controls Thread"));
        ccthreadCB.addItemListener(this);

        printCB = (JCheckBoxMenuItem) options.add(printCB);

        verboseCB = (JCheckBoxMenuItem) options.add(
                new JCheckBoxMenuItem("Verbose"));

        options.add(new JSeparator());

        backgMI = (JMenuItem) options.add(new JMenuItem("Background Color"));
	backgMI.addActionListener(this);

        runMI = (JMenuItem) options.add(new JMenuItem("Run Window"));
        runMI.addActionListener(this);

        cloneMI = (JMenuItem) options.add(new JMenuItem("Cloning Feature"));
        cloneMI.addActionListener(this);

        return menuBar;
    }


    public void createRunWindow() {
        if (rf != null) {
            rf.toFront();
            return;
        }
        runwindow = new RunWindow();
        WindowListener l = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                runwindow.stop(); rf.dispose();
            }
            public void windowClosed(WindowEvent e) { 
                rf = null;
            }
        };
        rf = new JFrame("Run");
        rf.addWindowListener(l);
        rf.getContentPane().add("Center", runwindow);
        rf.pack();
        if (Java2DemoApplet.applet == null) {
            rf.setSize(new Dimension(200,125));
        } else {
            rf.setSize(new Dimension(200,150));
        }
        rf.setVisible(true);
    }


    public void startRunWindow() {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                runwindow.doRunAction();
            }
        });
    }


    public void actionPerformed(ActionEvent e) {
        if (e.getSource().equals(fileMI)) {
            System.exit(0);
        } else if (e.getSource().equals(runMI)) {
            createRunWindow();
        } else if (e.getSource().equals(cloneMI)) {
            if (cloningfeature == null) {
                cloningfeature = new CloningFeature();
                WindowListener l = new WindowAdapter() {
                    public void windowClosing(WindowEvent e) {
                        cloningfeature.stop(); cf.dispose();
                    }
                    public void windowClosed(WindowEvent e) {
                        cloningfeature = null;
                    }
                };
                cf = new JFrame("Cloning Demo");
                cf.addWindowListener(l);
                cf.getContentPane().add("Center", cloningfeature);
                cf.pack();
                cf.setSize(new Dimension(320,330));
                cf.setVisible(true);
            } else {
                cf.toFront();
            }
        } else if (e.getSource().equals(backgMI)) {
	    backgroundColor = 
                JColorChooser.showDialog(this, "Background Color", Color.white);
            for (int i = 1; i < tabbedPane.getTabCount(); i++) {
                JPanel p = group[i-1].getPanel();
                for (int j = 0; j < p.getComponentCount(); j++) {
                    DemoPanel dp = (DemoPanel) p.getComponent(j);
                    if (dp.surface != null) {
                        dp.surface.setBackground(backgroundColor);
                    }
                } 
            } 
        }
    }