swingui.java

Java与模式 源代码

package com.javapatterns.adapter.windowadapter;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.*;

class SwingUI extends JFrame implements ActionListener
{
    //correction
    private JLabel text;
    //   private JLabel clicked;
    private JButton button;
    //   private JButton clickButton;
    private JPanel panel;
    private boolean clickMeMode = true;

    SwingUI()
    {
        text = new JLabel("我很高兴！");
        button = new JButton("理我");
        button.addActionListener(this);

        panel = new JPanel();
        panel.setLayout(new BorderLayout());
        panel.setBackground(Color.white);
        getContentPane().add(panel);
        panel.add(BorderLayout.CENTER, text);
        panel.add(BorderLayout.SOUTH, button);
    }

    public void actionPerformed(ActionEvent event)
    {
        Object source = event.getSource();
        if (clickMeMode)
        {
            text.setText("我很烦！");
            button.setText("别理我");
            clickMeMode = false;
        }
        else
        {
            text.setText("我很高兴！");
            button.setText("理我");
            clickMeMode = true;
        }
    }

    public static void main(String[] args)
    {
        SwingUI frame = new SwingUI();
        frame.setTitle("我");
        WindowListener listener = new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
                System.exit(0);
            }
        };

        frame.addWindowListener(listener);
        frame.pack();
        frame.setVisible(true);
    }
}