enddialog.java

Java 开发的弹跳球小游戏代码. 便于理解OO的概念.

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

/** 
 * Dialog box when player finishes game.
 * (Could enter name of winning player, if highest score, etc.)
 */
public class EndDialog extends Dialog {
    
    public String choice = "DONE";
        
    private Button done;
    private Button newGame;
    
    public EndDialog (Frame frm, boolean modal, int scoreVal, int bonusVal) {
        super(frm, modal);
                
        // Crude layout - not portable!
        setLayout(new FlowLayout());    
        setSize(160, 150);
        
        setFont(new Font("Fixed", Font.BOLD, 12));
        
        add(new Label("YOUR SCORE"));
                
        add(new Label("Game score:  "));
        add(new Label("" + scoreVal));
        
        add(new Label("Bonus score: "));
        add(new Label("" + bonusVal));
        
        add(new Label("Total score: "));
        add(new Label("" + (scoreVal + bonusVal)));
        
        done = new Button("Done");
        add(done);
        done.addActionListener(new ActionListener () {
            public void actionPerformed (ActionEvent e) {
                choice = "DONE";
                dispose();
            }});
        
        newGame = new Button("New Game");
        add(newGame);
        newGame.addActionListener(new ActionListener () {
            public void actionPerformed (ActionEvent e) {
                choice = "RESTART";
                dispose();
            }});        
    }

}