CButtons.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
Demonstrate Swing components in an applet.
*/
public class CButtons extends JApplet
{
public void init()
{
Container contentPane = getContentPane();
JPanel p = new JPanel();
contentPane.add(p);
Action[] action = new Action[3];
action[0] = new CBAction(p,Color.RED,"Red");
action[1] = new CBAction(p,Color.YELLOW,"Yellow");
action[2] = new CBAction(p,Color.GREEN,"Green");
for (int i=0; i<action.length; i++) {
JButton b = new JButton(action[i]);
p.add(b);
}
}
}
class CBAction extends AbstractAction
{
public CBAction(Container container,Color color,String name)
{
this.container = container;
this.color = color;
putValue(Action.NAME,name);
}
public void actionPerformed(ActionEvent e)
{
container.setBackground(color);
}
private Container container;
private Color color;
}