96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
Demonstrating CardLayout
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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public class CardDeck extends JFrame implements ActionListener
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{
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private CardLayout cardManager;
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private JPanel deck;
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private JButton controls[];
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private String names[] = { "First card", "Next card", "Previous card", "Last card" };
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public CardDeck()
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{
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super( "CardLayout " );
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Container c = getContentPane();
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// create the JPanel with CardLayout
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deck = new JPanel();
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cardManager = new CardLayout();
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deck.setLayout( cardManager );
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// set up card1 and add it to JPanel deck
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JLabel label1 = new JLabel( "card one", SwingConstants.CENTER );
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JPanel card1 = new JPanel();
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card1.add( label1 );
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deck.add( card1, label1.getText() ); // add card to deck
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// set up card2 and add it to JPanel deck
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JLabel label2 = new JLabel( "card two", SwingConstants.CENTER );
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JPanel card2 = new JPanel();
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card2.setBackground( Color.yellow );
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card2.add( label2 );
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deck.add( card2, label2.getText() ); // add card to deck
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// set up card3 and add it to JPanel deck
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JLabel label3 = new JLabel( "card three" );
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JPanel card3 = new JPanel();
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card3.setLayout( new BorderLayout() );
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card3.add( new JButton( "North" ), BorderLayout.NORTH );
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card3.add( new JButton( "West" ), BorderLayout.WEST );
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card3.add( new JButton( "East" ), BorderLayout.EAST );
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card3.add( new JButton( "South" ), BorderLayout.SOUTH );
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card3.add( label3, BorderLayout.CENTER );
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deck.add( card3, label3.getText() ); // add card to deck
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// create and layout buttons that will control deck
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JPanel buttons = new JPanel();
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buttons.setLayout( new GridLayout( 2, 2 ) );
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controls = new JButton[ names.length ];
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for ( int i = 0; i < controls.length; i++ )
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{
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controls[ i ] = new JButton( names[ i ] );
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controls[ i ].addActionListener( this );
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buttons.add( controls[ i ] );
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}
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// add JPanel deck and JPanel buttons to the applet
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c.add( buttons, BorderLayout.WEST );
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c.add( deck, BorderLayout.EAST );
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setSize( 450, 200 );
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show();
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}
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public void actionPerformed( ActionEvent e )
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{
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if ( e.getSource() == controls[ 0 ] )
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cardManager.first( deck ); // show first card
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else if ( e.getSource() == controls[ 1 ] )
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cardManager.next( deck ); // show next card
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else if ( e.getSource() == controls[ 2 ] )
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cardManager.previous( deck ); // show previous card
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else if ( e.getSource() == controls[ 3 ] )
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cardManager.last( deck ); // show last card
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}
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public static void main( String args[] )
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{
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CardDeck cardDeckDemo = new CardDeck();
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cardDeckDemo.addWindowListener( new WindowAdapter()
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{
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public void windowClosing( WindowEvent e )
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{
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System.exit( 0 );
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}
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} );
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}
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}
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