borderdemo.java

来自「java 完全探索的随书源码」· Java 代码 · 共 59 行

// BorderDemo.java

import javax.swing.*;
import javax.swing.border.*;

import java.awt.*;
import java.awt.event.*;

class BorderDemo extends JFrame implements ActionListener
{
   BorderDemo (String title)
   {
      super (title);

      addWindowListener (new WindowAdapter ()
                         {
                             public void windowClosing (WindowEvent e)
                             {
                                System.exit (0);
                             }
                         });

  //    getRootPane ().setBorder (new EmptyBorder (5, 5, 5, 5));

      getRootPane ().setBorder (new BevelBorder (BevelBorder.LOWERED));

      JLabel jl = new JLabel ("Etched border");
      jl.setBorder (new EtchedBorder ());
      getContentPane ().add (jl, BorderLayout.WEST);

      JButton jb = new JButton ("Matted border");
      Icon icon = new ImageIcon ("bullet.gif");
      jb.setBorder (new MatteBorder (10, 10, 10, 10, icon));
      getContentPane ().add (jb, BorderLayout.CENTER);

      jl = new JLabel ("Titled border");
      jl.setBorder (new TitledBorder ("Title"));
      getContentPane ().add (jl, BorderLayout.EAST);

      pack ();
      setVisible (true);
   }

   public void actionPerformed (ActionEvent e)
   {
      if (e.getActionCommand ().equals ("Ok"))
          System.out.println ("OK was pressed.");
      else
          System.out.println ("Cancel was pressed.");

      System.exit (0);
   }

   public static void main (String [] args)
   {
      new BorderDemo ("Border Demo");
   }
}