// CardDeck.java
// Demonstrating CardLayout.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class CardDeck extends JFrame
implements ActionListener {
private CardLayout cardManager;
private JPanel deck;
private JButton controls[];
private String names[] = { "First card", "Next card",
"Previous card", "Last card" };
public CardDeck()
{
super( "CardLayout " );
Container c = getContentPane();
// create the JPanel with CardLayout
deck = new JPanel();
cardManager = new CardLayout();
deck.setLayout( cardManager );
// set up card1 and add it to JPanel deck
JLabel label1 =
new JLabel( "card one", SwingConstants.CENTER );
JPanel card1 = new JPanel();
card1.add( label1 );
deck.add( card1, label1.getText() ); // add card to deck
// set up card2 and add it to JPanel deck
JLabel label2 =
new JLabel( "card two", SwingConstants.CENTER );
JPanel card2 = new JPanel();
card2.setBackground( Color.yellow );
card2.add( label2 );
deck.add( card2, label2.getText() ); // add card to deck
// set up card3 and add it to JPanel deck
JLabel label3 = new JLabel( "card three" );
JPanel card3 = new JPanel();
card3.setLayout( new BorderLayout() );
card3.add( new JButton( "North" ), BorderLayout.NORTH );
card3.add( new JButton( "West" ), BorderLayout.WEST );
card3.add( new JButton( "East" ), BorderLayout.EAST );
card3.add( new JButton( "South" ), BorderLayout.SOUTH );
card3.add( label3, BorderLayout.CENTER );
deck.add( card3, label3.getText() ); // add card to deck
// create and layout buttons that will control deck
JPanel buttons = new JPanel();
buttons.setLayout( new GridLayout( 2, 2 ) );
controls = new JButton[ names.length ];
for ( int i = 0; i < controls.length; i++ ) {
controls[ i ] = new JButton( names[ i ] );
controls[ i ].addActionListener( this );
buttons.add( controls[ i ] );
}
// add JPanel deck and JPanel buttons to the applet
c.add( buttons, BorderLayout.WEST );
c.add( deck, BorderLayout.EAST );
setSize( 450, 200 );
show();
}
public void actionPerformed( ActionEvent e )
{
if ( e.getSource() == controls[ 0 ] )
cardManager.first( deck ); // show first card
else if ( e.getSource() == controls[ 1 ] )
cardManager.next( deck ); // show next card
else if ( e.getSource() == controls[ 2 ] )
cardManager.previous( deck ); // show previous card
else if ( e.getSource() == controls[ 3 ] )
cardManager.last( deck ); // show last card
}
public static void main( String args[] )
{
CardDeck cardDeckDemo = new CardDeck();
cardDeckDemo.addWindowListener(
new WindowAdapter() {
public void windowClosing( WindowEvent e )
{
System.exit( 0 );
}
}
);
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CardWindow extends JFrame
implements ItemListener {
boolean inAnApplet = true;
JPanel cards;
final static String BUTTONPANEL = "JPanel with JButtons";
final static String TEXTPANEL = "JPanel with JTextField";
public CardWindow() {
Container contentPane = getContentPane();
//Put the JComboBox in a JPanel to get a nicer look.
String comboBoxItems[] = { BUTTONPANEL, TEXTPANEL };
JPanel cbp = new JPanel();
JComboBox c = new JComboBox(comboBoxItems);
c.setEditable(false);
c.addItemListener(this);
cbp.add(c);
//Use the default layout manager, BorderLayout
contentPane.add(cbp, BorderLayout.NORTH);
cards = new JPanel();
cards.setLayout(new CardLayout());
JPanel p1 = new JPanel();
p1.add(new JButton("Button 1"));
p1.add(new JButton("Button 2"));
p1.add(new JButton("Button 3"));
JPanel p2 = new JPanel();
p2.add(new JTextField("TextField", 20));
cards.add(p1, BUTTONPANEL);
cards.add(p2, TEXTPANEL);
contentPane.add(cards, BorderLayout.CENTER);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
if (inAnApplet) {
dispose();
} else {
System.exit(0);
}
}
});
}
public void itemStateChanged(ItemEvent evt) {
CardLayout cl = (CardLayout)(cards.getLayout());
cl.show(cards, (String)evt.getItem());
}
public static void main(String args[]) {
CardWindow window = new CardWindow();
window.inAnApplet = false;
window.setTitle("CardLayout");
window.pack();
window.setVisible(true);
}
}
Maintained by John Loomis, last updated 20 June 2000