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/* Book.java -- A mixed group of pages to print.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the non-peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
package java.awt.print;
import java.util.Vector;
/**
* This class allows documents to be created with different paper types,
* page formatters, and painters.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public class Book implements Pageable
{
/*
* Instance Variables
*/
// Painter objects for the book
Vector printables = new Vector();
// Page formats for the book
Vector page_formats = new Vector();
/*************************************************************************/
/*
* Constructors
*/
/**
* Initializes a new instance of <code>Book</code> that is empty.
*/
public
Book()
{
;
}
/*************************************************************************/
/**
* Returns the number of pages in this book.
*
* @return The number of pages in this book.
*/
public int
getNumberOfPages()
{
return(printables.size());
}
/*************************************************************************/
/**
* This method returns the <code>PageFormat</code> object for the
* specified page.
*
* @param page_numbers The number of the page to get information for, where
* page numbers start at 0.
*
* @return The <code>PageFormat</code> object for the specified page.
*
* @exception IndexOutOfBoundsException If the page number is not valid.
*/
public PageFormat
getPageFormat(int page_number)
{
return((PageFormat)page_formats.elementAt(page_number));
}
/*************************************************************************/
/**
* This method returns the <code>Printable</code> object for the
* specified page.
*
* @param page_numbers The number of the page to get information for, where
* page numbers start at 0.
*
* @return The <code>Printable</code> object for the specified page.
*
* @exception IndexOutOfBoundsException If the page number is not valid.
*/
public Printable
getPrintable(int page_number)
{
return((Printable)printables.elementAt(page_number));
}
/*************************************************************************/
/**
* This method appends a page to the end of the book.
*
* @param printable The <code>Printable</code> for this page.
* @param page_format The <code>PageFormat</code> for this page.
*
* @exception NullPointerException If either argument is <code>null</code>.
*/
public void
append(Printable printable, PageFormat page_format)
{
append(printable, page_format, 1);
}
/*************************************************************************/
/**
* This method appends the specified number of pages to the end of the book.
* Each one will be associated with the specified <code>Printable</code>
* and <code>PageFormat</code>.
*
* @param printable The <code>Printable</code> for this page.
* @param page_format The <code>PageFormat</code> for this page.
* @param num_pages The number of pages to append.
*
* @exception NullPointerException If any argument is <code>null</code>.
*/
public void
append(Printable painter, PageFormat page_format, int num_pages)
{
for (int i = 0; i < num_pages; i++)
{
printables.addElement(painter);
page_formats.addElement(page_format);
}
}
/*************************************************************************/
/**
* This method changes the <code>Printable</code> and <code>PageFormat</code>
* for the specified page. The page must already exist or an exception
* will be thrown.
*
* @param page_num The page number to alter.
* @param printable The new <code>Printable</code> for the page.
* @param page_format The new <code>PageFormat</code> for the page.
*
* @param IndexOutOfBoundsException If the specified page does not exist.
*/
public void
setPage(int page_num, Printable printable, PageFormat page_format)
{
printables.setElementAt(printable, page_num);
page_formats.setElementAt(page_format, page_num);
}
} // class Book
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