//CardDemo
//Demonstrates the Card Layout Manager
//Andy Harris, 04/00

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

public class CardDemo extends Applet implements ActionListener{

  //Control panel components
  Panel pnlControls = new Panel();
  Button btnFirst = new Button("|<<");
  Button btnPrev = new Button("<==");
  Button btnC = new Button("C");
  Button btnNext = new Button("==>");
  Button btnLast = new Button(">>|");
    
  //The Cards
  Panel pnlCards = new Panel();
  CardLayout stack = new CardLayout();
  Label lblA = new Label("A");
  Label lblB = new Label("B");
  Label lblC = new Label("C");
  Label lblD = new Label("D");
  Label lblE = new Label("E");

  public void init(){
    //set up the main page
    this.setLayout(new BorderLayout());
    this.add(pnlControls, BorderLayout.SOUTH);
    this.add(pnlCards, BorderLayout.CENTER);

    //set up the control panel
    pnlControls.setFont(new Font("SansSerif", Font.BOLD, 20));
    pnlControls.setLayout(new FlowLayout());
    pnlControls.add(btnFirst);
    pnlControls.add(btnPrev);
    pnlControls.add(btnC);
    pnlControls.add(btnNext);
    pnlControls.add(btnLast);

    //register actionListeners
    btnFirst.addActionListener(this);
    btnPrev.addActionListener(this);
    btnC.addActionListener(this);
    btnNext.addActionListener(this);
    btnLast.addActionListener(this);

    //set up the card panel
    pnlCards.setLayout(stack);
    pnlCards.setFont(new Font("SansSerif", Font.BOLD, 60));
    pnlCards.add(lblA, "A");
    pnlCards.add(lblB, "B");
    pnlCards.add(lblC, "C");
    pnlCards.add(lblD, "D");
    pnlCards.add(lblE, "E");

    //center the labels
    lblA.setAlignment(Label.CENTER);
    lblB.setAlignment(Label.CENTER);
    lblC.setAlignment(Label.CENTER);
    lblD.setAlignment(Label.CENTER);
    lblE.setAlignment(Label.CENTER);
    
    
  } // end init


  public void actionPerformed(ActionEvent e){
    String theCommand = e.getActionCommand();
    if (theCommand.equals("|<<")){
      stack.first(pnlCards);
    } else if (theCommand.equals("<==")){
      stack.previous(pnlCards);
    } else if (theCommand.equals("C")){
      stack.show(pnlCards, "C");
    } else if (theCommand.equals("==>")){
      stack.next(pnlCards);
    } else if (theCommand.equals(">>|")){
      stack.last(pnlCards);
    } // end if  
    //do nothing for now
  } // end actionPerformed

} // end CardDemo def