// Copyright 2003 Nokia Corporation.
//
// THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER,
// EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS
// FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE
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// RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT
// OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED
// BY THIRD PARTIES
//
// Furthermore, information provided in this source code is preliminary,
// and may be changed substantially prior to final release. Nokia Corporation
// retains the right to make changes to this source code at
// any time, without notice. This source code is provided for informational
// purposes only.
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// Corporation.
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// Sun Microsystems, Inc.
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// source code. The licensee has the right to market, sell, distribute and
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import java.util.*;
import javax.microedition.lcdui.*;


// This class displays the contents of a book as a list of chapters
class BookScreen
    extends List
    implements CommandListener
{
    private final BookReaderMIDlet midlet;
    private final Command exitCommand = new Command("Exit", Command.EXIT, 1);
    private final Command infoCommand = new Command("Info", Command.SCREEN, 2);


    // sets the basic properties of the screen
    BookScreen(BookReaderMIDlet midlet)
    {
        super("Book", List.IMPLICIT);

        this.midlet = midlet;

        setCommandListener(this);
        addCommand(exitCommand);
        addCommand(infoCommand);
    }


    // when a book object is passed to the method, the list of chapters' titles
    // are added to the list
    void setBook(Book book)
    {
        setTitle(book.getTitle());

        Vector chapters = book.getChapters();
        for (int i = 0; i < chapters.size(); i++)
        {
            Chapter c = (Chapter) chapters.elementAt(i);
            append(c.getTitle(), null);
        }
    }


    public void commandAction(Command command, Displayable displayable)
    {
        if (command == List.SELECT_COMMAND)
        {
            midlet.displayChapter(getSelectedIndex());
        }
        else if (command == infoCommand)
        {
            midlet.displayBookInfo();
        }
        else  if (command == exitCommand)
        {
            midlet.destroyApp(true);
        }
    }

}