componentlistenerframe.java~22~

jbuilder2006一书的所有源代码

package listener;

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

public class ComponentListenerFrame extends JFrame {
  JPanel contentPane;
  JButton jButton1 = new JButton();

  public ComponentListenerFrame() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("对类直接应用接收器示例");
    jButton1.setText("jButton1");
    jButton1.setBounds(new Rectangle(104, 108, 174, 52));
    //为控件加入动作接收器
    jButton1.addActionListener(new
                               ComponentListenerFrame_jButton1_actionAdapter(this));
    contentPane.add(jButton1, null);
  }

  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  //单击事件的处理代码
  void jButton1_actionPerformed(ActionEvent e) {
    JOptionPane.showMessageDialog(null,
                                  ( (JButton) e.getSource()).getText() + "按钮被单击");
  }
}

//应用动作接收器的类
class ComponentListenerFrame_jButton1_actionAdapter
    implements java.awt.event.ActionListener {
  //声明窗口类
  ComponentListenerFrame adaptee;

  //取得传入窗口类
  ComponentListenerFrame_jButton1_actionAdapter(ComponentListenerFrame adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    //当单击按钮时应用窗口类的jButton1_actionPerformed方法
    adaptee.jButton1_actionPerformed(e);
  }
}