statusbar.java

一个java的游戏程序

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

/**
 * Creates the TextLabel and the TokenCanvas of the Statusbar and keeps them up
 * to date
 */
class StatusBar 
    extends Panel 
    implements Observer
{

    Label _statusText;
    Game _game;

    Field _field;
    FieldView _fieldView;

    public StatusBar(Game game)
    {
	_game = game;

	_statusText = new Label("          ");
	add(_statusText);

	_field = new Field(_game);
	_fieldView = new FieldView(_field, new Dimension(30,30));
	_field.addObserver(_fieldView);
	_field.setBorder();
	add(_fieldView);

	setVisible(true);
    }
    
    public void update(Observable o, Object arg)
    {
	if(_game.getFinished())
	    _statusText.setText("Game over ");
	else
	    _statusText.setText("Next      ");
	_field.setOccupier(_game.getCurrentPlayer().getToken());
	repaint();
    }

    public void paint(Graphics g)
    {
        Dimension d = getSize();
        Color bg = getBackground();
        g.setColor(bg);
        g.draw3DRect(0, 0, d.width - 1, d.height - 1, true);
        g.draw3DRect(3, 3, d.width - 7, d.height - 7, false);
    }  
}