Simpler CardLayout demo
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.CardLayout;
import java.awt.Label;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/**
* Simpler CardLayout demo: cycles through some labels.
*
* @author Ian Darwin
* @version $Id: CardLayDemo1.java,v 1.3 2004/03/21 00:44:36 ian Exp $
*/
public class CardLayDemo1 extends Applet {
CardLayout cardlay;
Panel panel;
Button b1;
int cardno = 0;
final int NCARDS = 4;
String labels[] = new String[NCARDS];
public void init() {
panel = new Panel();
cardlay = new CardLayout();
b1 = new Button("Next");
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if (++cardno >= NCARDS)
cardno = 0;
cardlay.show(panel, labels[cardno]);
}
});
labels[0] = "Card One";
labels[1] = "Card Two";
labels[2] = "Card Three";
labels[3] = "Card Four";
panel.setLayout(cardlay);
for (int i = 0; i < NCARDS; i++)
panel.add(labels[i], new Label(labels[i]));
cardlay.show(panel, labels[0]);
setLayout(new BorderLayout());
add("Center", panel);
add("South", b1);
}
}
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