realeditor.java

这个小软件( RealEditor )是同学一起编写的

package com.ecust.mainframe;


import java.net.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


public class RealEditor {
        
	public static void main( String[] args ) {
        RegistrationDetails rd = new RegistrationDetails();
        if ( !Registration.getRegistrationFile().exists() ) {
            Registration.saveRegistrationDetails( rd );
        }
            
        RegistrationDetails savedRd = Registration.getRegistrationDetails();
        
	    if (  !savedRd.getStarted() ) {
            Registration.setStarted( true );
            
            String vers = System.getProperty("java.version");
            
            if ( vers.compareTo( "1.5.0" ) < 0) {
                
                JOptionPane.showMessageDialog( 
                        null, "!!!WARNING: This Program must be run with a " +
                        "1.5.0 or higher version VM!!!",
                        "WARNING", JOptionPane.WARNING_MESSAGE );
            }
              
            
            SplashWindow splashWindow = new SplashWindow();
            Thread splashThread = splashWindow.getSplashThread();
            splashWindow.start();
            
            
            try {
                splashThread.join();
            } catch ( InterruptedException e ) {
                e.printStackTrace( System.err );
            }
            
            
            
            Registration.register();
                
            
            
        } else {
            JOptionPane.showMessageDialog( 
                    null, "RealEditor Has Been Started.",
                    "INFORMATION", JOptionPane.INFORMATION_MESSAGE );
        }
    }
   
}



class SplashWindow extends JWindow implements Runnable {
	/**
     * 
     */
    private static final long serialVersionUID = 875207297597770299L;
    private Thread splashThread = new Thread(this);
	private JProgressBar progressBar;
	public SplashWindow() {
		setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
		JPanel splashPanel = new JPanel(new BorderLayout());
		URL url = getClass().getResource("WELCOME.jpg");

		if(url != null) {
            JButton button = new JButton(new ImageIcon(url) );
            splashPanel.add( button, BorderLayout.CENTER);
            button.addActionListener( 
                    new ActionListener() {
                        public void actionPerformed( ActionEvent e ) {
                        	Registration.setStarted( false );
                            System.exit( 0 );
                        }
                    }
            );
        }
			

		progressBar = new JProgressBar(0, 500);
		progressBar.setStringPainted(true);
		progressBar.setBorderPainted(false);
		progressBar.setString("Program Is Loading, please wait...");
		progressBar.setBackground(Color.white);

		splashPanel.add(progressBar, BorderLayout.SOUTH);

		setContentPane(splashPanel);
		
		Dimension screenSize = getToolkit().getScreenSize();
		pack();                
		setLocation((screenSize.width - getSize().width) / 2,
			        (screenSize.height - getSize().height) / 2);
	
	}
    
    public Thread getSplashThread() {
        return splashThread;
    }

	public void start() {
		this.toFront();
		splashThread.start();
	}

	public void run() {
		try 
		{
			setVisible(true);
			int delay = 5;
			for(int i = 0; i < 500; i++) {
				if ( i == 100 ) {
					delay = 4;
				} else if ( i == 200 ) {
					delay = 3;
				} else if ( i == 300 ) {
					delay = 2;
				} else if ( i == 400 ) {
					delay = 1;
				}
				
				Thread.sleep( delay );
				progressBar.setValue(progressBar.getValue() + 1);
			}
		} catch(Exception e) {
			e.printStackTrace();
		}
		dispose();
	}
}