Using CardLayout : Layout « Swing JFC « Java






  1. Java
  2. Swing JFC
  3. Layout

Using CardLayout

     

import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.FlowLayout;
import java.awt.Label;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

class CardFrame extends JFrame implements ActionListener {
  JButton nextCard = new JButton("Next Card >");
  JButton prevCard = new JButton("< Previous Card");
  JButton firstCard = new JButton("<< First Card");
  JButton lastCard = new JButton("Last Card >>");
  JPanel cardPanel = new JPanel();

  CardLayout cardLayout = new CardLayout(10, 10);

  public CardFrame(String title) {
    setLayout(new BorderLayout(10, 10));
    nextCard.addActionListener(this);
    prevCard.addActionListener(this);
    firstCard.addActionListener(this);
    lastCard.addActionListener(this);

    Panel buttonsPanel = new Panel(new FlowLayout(FlowLayout.CENTER));
    buttonsPanel.add(firstCard);
    buttonsPanel.add(prevCard);
    buttonsPanel.add(nextCard);
    buttonsPanel.add(lastCard);

    setCardLayout();
    add(BorderLayout.CENTER, cardPanel);
    add(BorderLayout.NORTH, buttonsPanel);
  }

  private void setCardLayout() {
    cardPanel.setLayout(cardLayout);

    Label one = new Label("CARD 1", Label.CENTER);
    Label two = new Label("CARD 2", Label.CENTER);
    Label three = new Label("CARD 3", Label.CENTER);
    Label four = new Label("CARD 4", Label.CENTER);
    Label five = new Label("CARD 5", Label.CENTER);
    cardPanel.add(one, "one");
    cardPanel.add(two, "two");
    cardPanel.add(three, "three");
    cardPanel.add(four, "four");
    cardPanel.add(five, "five");

    cardLayout.show(cardPanel, "one");
  }

  public void actionPerformed(ActionEvent ae) {
    if (ae.getSource().equals(nextCard)) {
      cardLayout.next(cardPanel);
    } else if (ae.getSource().equals(prevCard)) {
      cardLayout.previous(cardPanel);
    } else if (ae.getSource().equals(lastCard)) {
      cardLayout.last(cardPanel);
    } else if (ae.getSource().equals(firstCard)) {
      cardLayout.first(cardPanel);
    }
  }
}








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