/*
 * @(#)CardTest.java	1.7 95/08/23 Arthur van Hoff
 *
 * Copyright (c) 1994-1995 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
 * without fee is hereby granted. 
 * Please refer to the file http://java.sun.com/copy_trademarks.html
 * for further important copyright and trademark information and to
 * http://java.sun.com/licensing.html for further important licensing
 * information for the Java (tm) Technology.
 * 
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 * 
 * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
 * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
 * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
 * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
 * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
 * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
 * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES").  SUN
 * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
 * HIGH RISK ACTIVITIES.
 */

import java.awt.*;
import java.applet.Applet;

class CardPanel extends Panel {
    final static String one="Flow";
    final static String two="Border";
    final static String three="Grid";
    final static String four="FlowLeft";
    final static String five="Border2";
    final static String six="Grid2";

    Panel create(LayoutManager layout) {
	Panel p = new Panel();
	p.setLayout(layout);
		//all LayoutManagers allow you to add parts
		//Some make use of North, Southwest,...
	p.add("North",  whited(new Button(one)));
	p.add("West",   whited(new Button(two)));
	p.add("South",  whited(new Button(three)));
	p.add("East",   whited(new Button(four)));
	p.add("Center", whited(new Button(five)));
	if( !(p.getLayout() instanceof BorderLayout))
		p.add(whited(new Button(six)));
	return p;
    }

    Component whited(Component c){ c.setBackground(Color.white); return c;}

    CardPanel() {
	setLayout(new CardLayout());//Layout for this panel
		//In A Cardlayout only one component is visible at a time
		//as selected by the show(cardPanelObject, namePanel)

	add(one, create(new FlowLayout()));
		//In a FlowLaout items follow each other
	add(two, create(new BorderLayout()));
		//In a Borderlayout the Compus points position components
	add(three, create(new GridLayout(2, 2)));
		//In a Grid layou things are ina 2D array
	add(four, create(new FlowLayout(FlowLayout.LEFT, 10, 10)));
		//FlowLayout LEFT justified
	add(five, create(new BorderLayout(10, 10)));
		// border with bigger gaps in between
	add(six, create(new GridLayout(2, 2, 10, 10)));
		// grid with bigger gutters between

	//This does not show the more complex GridBagLayout
    }

    public Dimension preferredSize() {
	return new Dimension(200, 100);
    }
}//CardPanel

public class CardTest extends Applet {
    CardPanel cards;

    public CardTest() {
	setLayout(new BorderLayout());//Layout of this Applet!
	add("Center", cards = new CardPanel());
		//card are put in the center of the Applet
	Panel p = new Panel();//will be for fixed buttons
	p.setLayout(new FlowLayout());
	p.setBackground(Color.lightGray);
	add("South", p);//add panel p to Bottom of Applet

	p.add(new Button("first"));//Add button to panel on Applet
	p.add(new Button("next"));
	p.add(new Button("previous"));
	p.add(new Button("last"));
	Choice c = new Choice();//The button/menu at end of botom row.
	  c.addItem(CardPanel.one);//item in choice
	  c.addItem(CardPanel.two);
	  c.addItem(CardPanel.three);
	  c.addItem(CardPanel.four);
	  c.addItem(CardPanel.five);
	  c.addItem(CardPanel.six);
	//Choice c is complete so...
	p.add(c);//add it to the panel
    }
/* action is called when something happens.... like a mouse click
*/
    public boolean action(Event evt, Object arg) {
	if (evt.target instanceof Choice) {
	    ((CardLayout)cards.getLayout()).setVisible( truecards,(String)arg);
		//asked layout manager for cards to show selected card.
		//Depends on the choices names match the card names! 
	} else {
	    if ("first".equals(arg)) {
		((CardLayout)cards.getLayout()).first(cards);
	    } else if ("next".equals(arg)) {
		((CardLayout)cards.getLayout()).next(cards);
	    } else if ("previous".equals(arg)) {
		((CardLayout)cards.getLayout()).previous(cards);
	    } else if ("last".equals(arg)) {
		((CardLayout)cards.getLayout()).last(cards);
	    } else { //it is some other button or thing
		((CardLayout)cards.getLayout()).setVisible( truecards,(String)arg);
	    }
	}
	return true;//this means that the action has been handled
    }//action

    public static void main(String args[]) {
	Frame f = new Frame("CardTest");
	f.setBackground(Color.red);
		//f is where the Applet is put
        //construct the applet
	  CardTest cardTest = new CardTest();
			//constructor assmbled all the buttons and bows
	  cardTest.init();
	  cardTest.start();
	//and add it to the frame
	f.add("Center", cardTest);
	//make sure we have room
	f.setSize(400, 400);
	//display the whole thing
	f.setVisible( true);
    }//main
}//CardTest