waitdialog.java

一个用纯java 编写的mail 的例子

//package mailbox;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
/**
 * Title:        MailBox
 * Description:  send and recieve Email
 * Copyright:    Copyright (c) 2002
 * Company:      421
 * @author xuhao
 * @version 1.0
 */

public class waitDialog extends JDialog   implements Serializable {
  JPanel panel1 = new JPanel();
  BorderLayout borderLayout1 = new BorderLayout();
  JProgressBar waitBar = new JProgressBar(0,100);
  Timer timer=new Timer(40,new Action());
  int value=5;
  public waitDialog() {
  jbInit();  
    
  }
  void jbInit(){
    panel1.setLayout(borderLayout1);
    this.getContentPane().setLayout(null);
    panel1.setBounds(new Rectangle(360, 0, 0, 0));
    waitBar.setForeground(UIManager.getColor("TextField.selectionBackground"));
    waitBar.setBounds(new Rectangle(31, 37, 252, 27));
    this.getContentPane().add(panel1, null);
    this.getContentPane().add(waitBar, null);
    setSize(320,125);
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = this.getSize();
    if (frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }
    setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
    timer.start();

  }
  
  
  class Action implements ActionListener,Serializable
  {	public void actionPerformed(ActionEvent e)
  	{
  	if(value>=100)
  	value=5;
        waitBar.setValue(value);
      	value+=5;
         }
    }
  public void Start()
  {
  	timer.start();
  }
  public void Stop()
  {
  	timer.stop();
  }
        	
}