testbuttonmodel.java

来自「java2 primer plus一书源程序」· Java 代码 · 共 69 行

/*
 * TestButtonModel.java
 *
 * Created on July 30, 2002, 2:36 PM
 */

package ch16;
import javax.swing.*;
import javax.swing.plaf.*;
import java.awt.FlowLayout;
import java.awt.event.*;

/**
 *
 * @author  Stephen Potts
 * @version
 */
public class TestButtonModel extends JFrame implements ActionListener
{
   JButton btnTest;
   
   /** Creates new TestButtonModel */
   public TestButtonModel()
   {
      btnTest = new JButton("Test");
      btnTest.addActionListener(this);
      
      getContentPane().add(btnTest);
      this.getContentPane().setLayout(new FlowLayout());
     
      addWindowListener(new WinCloser());
      setTitle("Using a JButton Model");
      setBounds( 100, 100, 300, 300);
      setVisible(true);
   }
   
   public void actionPerformed(ActionEvent ae)
   {
      if (ae.getActionCommand().equals("Test"))
      {
          ButtonModel bm = btnTest.getModel();
          System.out.println("The ButtonModel class is " + bm);
          System.out.println(bm.getMnemonic());
          System.out.println(bm.isArmed());
          System.out.println(bm.isEnabled());
          System.out.println(bm.isPressed());
          System.out.println(bm.isRollover());
          System.out.println(bm.isSelected());
          
          ButtonUI bu = btnTest.getUI();
          System.out.println("The ButtonUI class is " + bu);
      }
   }
   
   public static void main(String[] args)
   {
      TestButtonModel tbm = new TestButtonModel();
   }
   
}

class WinCloser extends WindowAdapter
{
   public void windowClosing(WindowEvent e)
   {
      System.exit(0);
   }
}