ITEEDU

11-2-1:输出Message Dialog Message

Dialog是在对话框上显示出一段信息,目的在告知用户一些相关信息,因此Message Dialog只会有一个确定按钮,让用户 看完信息后就可以关闭这个对话框.下面这个例子我们使用Message对话框,我们来看看不同的MessageType会有什么样的图案产生. MessageDialog.java

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
import com.incors.plaf.alloy.*;
import com.incors.plaf.alloy.themes.glass.*;
public class MessageDialog implements ActionListener{
   JFrame f=null;
   public MessageDialog(){
     f=new JFrame("optionPane");
     Container contentPane=f.getContentPane();
     contentPane.setLayout(new GridLayout(2,3));
     JButton b=new JButton("Show Error Icon");
     b.addActionListener(this);
     contentPane.add(b);
     b=new JButton("Show Information Icon");
     b.addActionListener(this);
     contentPane.add(b);
     b=new JButton("Show Waring Icon");
     b.addActionListener(this);
     contentPane.add(b);
     b=new JButton("Show Question Icon");
     b.addActionListener(this);
     contentPane.add(b);
     b=new JButton("Show Plain Icon");
     b.addActionListener(this);
     contentPane.add(b);
     b=new JButton("Show User Define Icon");
     b.addActionListener(this);
     contentPane.add(b);
     f.pack();
     f.setVisible(true);
     f.addWindowListener(new WindowAdapter(){
     	 public void windowClosing(WindowEvent e){
     	   System.exit(0);	
     	 }
     });
   }	
   public static void main(String[] args){
   	  SwingUtil.setLookAndFeel();
   	  new MessageDialog();
   }
   public void actionPerformed(ActionEvent e){
   	  String cmd=e.getActionCommand();
   	  String title="Message Dialog";
   	  String message="";
   	  int type=JOptionPane.PLAIN_MESSAGE;
   	  if (cmd.equals("Show Error Icon")){
   	  	  type=JOptionPane.ERROR_MESSAGE;
   	  	  message="Error Message";
   	  }else if (cmd.equals("Show Information Icon")){
   	  	  type=JOptionPane.INFORMATION_MESSAGE;
   	  	  message="information Message";
   	  }else if (cmd.equals("Show Waring Icon")){
   	  	  type=JOptionPane.WARNING_MESSAGE;
   	  	  message="Waring Message";
   	  }else if (cmd.equals("Show Question Icon")){
   	  	  type=JOptionPane.QUESTION_MESSAGE;
   	  	  message="Question Message";
   	  }else if (cmd.equals("Show Plain Icon")){
   	  	  type=JOptionPane.PLAIN_MESSAGE;
   	  	  message="Plain Message";
   	  }else if (cmd.equals("Show User Define Icon")){
   	  	  type=JOptionPane.PLAIN_MESSAGE;
   	  	  JOptionPane.showMessageDialog(f,message,title,type,new ImageIcon("..\\icons\\glass.jpg"));
   	  	  return ;
   	  }
   	  JOptionPane.showMessageDialog(f,message,title,type);
   }
}
class SwingUtil{
  public static final void setLookAndFeel() {
  	try{
            Font font = new Font("JFrame", Font.PLAIN, 12);
            Enumeration keys = UIManager.getLookAndFeelDefaults().keys();
 
            while (keys.hasMoreElements()) {
               Object key = keys.nextElement();
               if (UIManager.get(key) instanceof Font) {
                  UIManager.put(key, font);
                }
            } 
        	AlloyLookAndFeel.setProperty("alloy.isLookAndFeelFrameDecoration", "true");
        	AlloyTheme theme = new GlassTheme();
        	LookAndFeel alloyLnF = new AlloyLookAndFeel(theme);
           JFrame.setDefaultLookAndFeelDecorated(true); 
          
           UIManager.setLookAndFeel(alloyLnF);
  	}catch(UnsupportedLookAndFeelException ex){
  	  ex.printStackTrace();	
  	}
 }
}