// This example is from the book _Java AWT Reference_ by John Zukowski.
// Written by John Zukowski. Copyright (c) 1997 O'Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or
import java.awt.*;
class CardPanel extends Panel {
Panel create(LayoutManager layout) {
Panel p = new Panel();
p.setLayout(layout);
p.add("North", new Button("this"));
p.add("West", new Button("is"));
p.add("South", new Button("a"));
p.add("East", new Button("test"));
p.add("Center", new Button("applet"));
return p;
}
CardPanel() {
setLayout(new CardLayout());
add("flow", create(new FlowLayout()));
add("border", create(new BorderLayout()));
add("grid", create(new GridLayout(2, 2)));
}
}
public class CardLayoutTest extends java.applet.Applet {
CardPanel cards;
public CardLayoutTest() {
setLayout(new BorderLayout());
add("Center", cards = new CardPanel());
Choice c = new Choice();
c.addItem("flow");
c.addItem("border");
c.addItem("grid");
add("South", c);
}
public boolean action(Event evt, Object arg) {
if (evt.target instanceof Choice) {
((CardLayout)cards.getLayout()).show(cards,(String)arg);
}
return true;
}
public static void main(String args[]) {
Frame f = new Frame("CardLayoutTest");
CardLayoutTest card = new CardLayoutTest();
card.init();
card.start();
f.add("Center", card);
f.resize(300, 300);
f.show();
}
}
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