/*
 * $Id: PdfPageElement.java,v 1.24 2002/07/09 11:28:23 blowagie Exp $
 * $Name:  $
 *
 * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
 *
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 *
 * 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 version.
 * 
 * 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., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.pdf;

/**
 * The <CODE>PdfPageElement</CODE> interface has to be implemented by <CODE>PdfPage</CODE> and <CODE>PdfPages</CODE>.
 *
 * @see		PdfPage
 * @see		PdfPages
 */

interface PdfPageElement {
    
/**
 * Set the value for the <B>Parent</B> key in the Page or Pages Dictionary.
 *
 * @param	reference			an indirect reference to a <CODE>PdfPages</CODE>-object
 */
    
    public void setParent(PdfIndirectReference reference);
    
/**
 * Checks if this page element is a tree of pages.
 *
 * @return	<CODE>true</CODE> if it's a tree of pages;
 *			<CODE>false</CODE> if it's a single page
 */
    
    public boolean isParent();
}