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

public class LayoutDemoPanel extends Panel {
  ActionListener listener;

  public LayoutDemoPanel (ActionListener actionListener) {
	listener = actionListener;
	setLayout(new CardLayout());
	add("one", create(new FlowLayout()));
	add("two", create(new BorderLayout()));
	add("three", create(new GridLayout(2, 2)));
	add("four", create(new BorderLayout(10, 10)));
	add("five", create(new FlowLayout(FlowLayout.LEFT, 10, 10)));
	add("six", create(new GridLayout(2, 2, 10, 10)));
   }

  private Panel create(LayoutManager layout) {
	Button b = null;
	Panel p = new Panel();

	p.setLayout(layout);

	b = new Button("one");
	b.addActionListener(listener);
        p.add("North", b);

	b = new Button("two");
	b.addActionListener(listener);
	p.add("West", b);

	b = new Button("three");
	b.addActionListener(listener);
	p.add("South", b);

	b = new Button("four");
	b.addActionListener(listener);
	p.add("East", b);

	b = new Button("five");
	b.addActionListener(listener);
	p.add("Center", b);

	b = new Button("six");
	b.addActionListener(listener);
	p.add("Center", b);

	return p;
    }
}

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class LayoutDemoApplet extends Applet
		      implements ActionListener {

  LayoutDemoPanel layoutDemoPanel;
  Label layoutLabel;

  String[] layoutName = { "FlowLayout()", 
                          "BorderLayout()",
                          "GridLayout(2, 2)",
                          "BorderLayout(10, 10)",
                          "FlowLayout(FlowLayout.LEFT, 10, 10)", 
                          "GridLayout(2, 2, 10, 10)"}; 
  int layoutNum = 0;

  public void init() {

    setLayout(new BorderLayout());

    layoutLabel = new Label(layoutName[layoutNum]);
    add("North",layoutLabel);
    add("Center", layoutDemoPanel = new LayoutDemoPanel(this));

    Panel p = new Panel();
    p.setLayout(new FlowLayout());
    add("South", p);

    p.add(new Label(layoutDemoPanel.getLayout().toString()));
        
    Button b = new Button("first");
    b.addActionListener(this);
    p.add(b);

    b = new Button("next");
    b.addActionListener(this);
    p.add(b);

    b = new Button("previous");
    b.addActionListener(this);
    p.add(b);

    b = new Button("last");
    b.addActionListener(this);
    p.add(b);
  }

  public void actionPerformed(ActionEvent e) {

    String arg = e.getActionCommand();

    if ("first".equals(arg)) {
       ((CardLayout)layoutDemoPanel.getLayout()).first(layoutDemoPanel);
       layoutNum = 0;
    } else if ("next".equals(arg)) {
             ((CardLayout)layoutDemoPanel.getLayout()).next(layoutDemoPanel);
            layoutNum = (layoutNum == layoutName.length - 1?0:layoutNum+1);
    } else if ("previous".equals(arg)) {
               ((CardLayout)layoutDemoPanel.getLayout()).previous(layoutDemoPanel);
               layoutNum = (layoutNum == 0?layoutName.length - 1:layoutNum-1); 
    } else if ("last".equals(arg)) {
                 ((CardLayout)layoutDemoPanel.getLayout()).last(layoutDemoPanel);
                 layoutNum = layoutName.length - 1;
    } else {
            ((CardLayout)layoutDemoPanel.getLayout()).show(layoutDemoPanel,(String)arg);
            switch (((String)arg).charAt(2)) {
              case 'e' : layoutNum = 0; break;
              case 'o' : layoutNum = 1; break;
              case 'r' : layoutNum = 2; break;
              case 'u' : layoutNum = 3; break;
              case 'v' : layoutNum = 4; break;
              case 'x' : layoutNum = 5; break;
            }
	}
        layoutLabel.setText(layoutName[layoutNum]);
  }
}