import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.BorderFactory;
import javax.swing.JApplet;
import javax.swing.JComboBox;
import javax.swing.JPanel;

class BoutonChoix extends JPanel implements ItemListener {  
    JComboBox choix =new JComboBox();
    ArdoiseChoix ardoise = new ArdoiseChoix();
    
    BoutonChoix() {
	JPanel panneau = new JPanel();
	
	choix.addItem("noir");
	choix.addItem("rouge");
	choix.addItem("vert");
	choix.addItem("bleu");
	choix.addItem("jaune");
	choix.addItemListener(this);
	panneau.add(choix);
	
	setLayout(new BorderLayout(5, 5));
	add(panneau, BorderLayout.NORTH);
	add(ardoise, BorderLayout.CENTER);

	setBorder(BorderFactory.createLineBorder(Color.BLACK));
    }
    
    public void itemStateChanged(ItemEvent evt)  {  
	ardoise.setForeground(getCouleur(choix.getSelectedItem()));
    }
    
    Color getCouleur(Object s) {
	if (s.equals("rouge")) return Color.RED;
	else if (s.equals("vert")) return Color.GREEN;
	else if (s.equals("bleu")) return Color.BLUE;
	else if (s.equals("jaune")) return Color.YELLOW;
	return Color.BLACK;
    }
}

class ArdoiseChoix extends JPanel {
    ArdoiseChoix() {
	setPreferredSize(new Dimension(100, 100));
    }
    
    public  void paintComponent(Graphics g) {
	super.paintComponent(g);
	g.fillOval(10,10,80,80);
    }
}

public class EssaiBoutonChoix extends JApplet{
    public void init() {
	setContentPane(new BoutonChoix());
    }
}