CardLayDemo1.java Source code

Introduction

Here is the source code for CardLayDemo1.java

Source

/*
 * 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
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * 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);
    }
}