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

public class CardLayout1 extends Applet {
  private CardLayout cardLayout;
  private Panel cardPanel;
  private List list;

  public void init() {
    cardLayout = new CardLayout();
    Panel controlPanel = new Panel();
    controlPanel.setBackground(Color.pink);
    controlPanel.add(new Button("Buttons"));
    controlPanel.add(new Button("TextFields"));
    controlPanel.add(new Button("Lists"));
    
    cardPanel = new Panel();
    
    cardPanel.setLayout(cardLayout);
    Panel buttonsPanel = new Panel();
    buttonsPanel.setBackground(Color.yellow);
    buttonsPanel.add(new Button("Button 1"));
    buttonsPanel.add(new Button("Button 2"));
    buttonsPanel.add(new Button("Button 3"));
    Panel textFieldsPanel = new Panel();
    textFieldsPanel.setBackground(Color.cyan);
    textFieldsPanel.add(new TextField(10));
    String msg = "Please enter your name";
    textFieldsPanel.add(new TextField(msg, 40));
    Panel listsPanel = new Panel();
    listsPanel.setBackground(Color.magenta);
    list = new List(5, false);
    list.addItem("Hamlet");
    list.addItem("Claudius");
    list.addItem("Gertrude");
    list.addItem("Polonius");
    list.addItem("Horatio");
    list.addItem("Laertes");
    list.addItem("Ophelia");
    list.addItem("Caesar");
    list.addItem("Brutus");
    list.addItem("Alexandrius");
    listsPanel.add(list);
    Panel welcomePanel = new Panel();
    welcomePanel.setBackground(Color.gray);
    welcomePanel.add(new Label("Welcome to an example of CardLayout"));
    cardPanel.add("card 1", welcomePanel);
    cardPanel.add("card 2", buttonsPanel);
    cardPanel.add("card 3", textFieldsPanel);
    cardPanel.add("card 4", listsPanel);
    setLayout(new BorderLayout());
    add("North",controlPanel);
    add("Center",cardPanel);
  }

  public boolean action(Event evt, Object arg) {
    if (arg.equals("Buttons")) {
      cardLayout.show(cardPanel, "card 2");
    } 
    else if (arg.equals("TextFields")) {
      cardLayout.show(cardPanel, "card 3");
    }  
    else if (arg.equals("Lists")) {
      cardLayout.show(cardPanel, "card 4");
    }
    else return super.action(evt,arg);
    return true;
  }
}