// Written by:	Darren Gates & Ray Klefstad
// Date:	January 2000
// School:	U.C. Irvine

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

public class CardLayoutExample extends Applet
{
    public void init()
    {
        new MyCardPanel();
    }   
}

class MyCardPanel extends Frame 
{
    private Tab1 p;
    private Tab2 p1;
    private Tab3 p2;
    private Panel cardPanel;
    private CardLayout card;
    private Color activeColor = new Color(200,200,200);
    private Color inactiveColor = new Color(150,150,150);
    
    public MyCardPanel()
    {
        p = new Tab1();
        p1 = new Tab2();
        p2 = new Tab3();
        
        setBackground(activeColor);
        setBounds(200,200,300,350);
        addWindowListener(new Terminator());
        
        Panel controls = new Panel(new GridLayout(1,3));
        controls.add(p);
        controls.add(p1);
        controls.add(p2);
        
        card = new CardLayout();
        cardPanel = new Panel(card);
       
        cardPanel.add("Card1", new FirstCard());
        cardPanel.add("Card2", new SecondCard());
        cardPanel.add("Card3", new ThirdCard());
        
        Panel border = new Panel(new BorderLayout());
        
        border.add(controls, "North");
        border.add(cardPanel, "Center");
        add(border);
		
        setVisible(true);
    }
    
    public class Terminator
        extends WindowAdapter
    {
        public void windowClosing(WindowEvent e)
        {
	    dispose();
        }  
    }
    
    public class FirstCard
        extends Panel 
    {
        public FirstCard()
        {
            add(new Label("First Card"));
            setBackground(activeColor);   
        }
    }
    
    public class SecondCard
        extends Panel 
    {
        public SecondCard()
        {
            add(new Label("Second Card"));
            setBackground(activeColor);   
        }
    }
    
    public class ThirdCard
        extends Panel 
    {
        public ThirdCard()
        {
            add(new Label("Third Card"));
            setBackground(activeColor);
        }
    }
    
    public class Tab1
        extends Panel
    {
        public Tab1()
        {			
            addMouseListener(new MouseAdapter()
            {
                public void mousePressed(MouseEvent e)
                {
                    card.show(cardPanel, "Card1");
                    setBackground(activeColor);
                    p1.setBackground(inactiveColor);
                    p2.setBackground(inactiveColor);
                }
            });
        }
		
        public void paint(Graphics g)
        {
            g.drawString("Tab 1",25,20); 
        }
		
	public Dimension getPreferredSize()
	{
	    // only need this for one of the tabs
	    return new Dimension(100,35);
	}
    }
    
    public class Tab2
        extends Panel
    {
        public Tab2()
        {     
	    setBackground(inactiveColor);
			
            addMouseListener(new MouseAdapter()
            {
                public void mousePressed(MouseEvent e)
                {
                    card.show(cardPanel, "Card2");
                    setBackground(activeColor);
                    p.setBackground(inactiveColor);
                    p2.setBackground(inactiveColor);
                }
            });
        }
        
        public void paint(Graphics g)
        {
            g.drawString("Tab 2",25,20); 
        }
    }
    
    public class Tab3
        extends Panel
    {
        public Tab3()
        {       
            setBackground(inactiveColor);
            
            addMouseListener(new MouseAdapter()
            {
                public void mousePressed(MouseEvent e)
                {
                    card.show(cardPanel, "Card3");
                    setBackground(activeColor);
                    p.setBackground(inactiveColor);
                    p1.setBackground(inactiveColor);
                }
            });
        }
        
        public void paint(Graphics g)
        {
            g.drawString("Tab 3",25,20); 
        }
    }
}