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/*
* $Id: PRTokeniser.java,v 1.15 2002/06/20 13:30:25 blowagie Exp $
*
* Copyright 2005 by Paulo Soares.
*
*
* 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;
//import java.util.ArrayList;
/**
* This is a node in a document logical structure. It may contain a mark point or it may contain
* other nodes.
* @author Paulo Soares (psoares@consiste.pt)
*/
public class PdfStructureElement extends PdfDictionary {
/**
* Holds value of property kids.
*/
private PdfStructureElement parent;
private PdfStructureTreeRoot top;
/**
* Holds value of property reference.
*/
private PdfIndirectReference reference;
/**
* Creates a new instance of PdfStructureElement.
* @param parent the parent of this node
* @param structureType the type of structure. It may be a standard type or a user type mapped by the role map
*/
public PdfStructureElement(PdfStructureElement parent, PdfName structureType) {
top = parent.top;
init(parent, structureType);
this.parent = parent;
put(PdfName.P, parent.reference);
}
/**
* Creates a new instance of PdfStructureElement.
* @param parent the parent of this node
* @param structureType the type of structure. It may be a standard type or a user type mapped by the role map
*/
public PdfStructureElement(PdfStructureTreeRoot parent, PdfName structureType) {
top = parent;
init(parent, structureType);
put(PdfName.P, parent.getReference());
}
private void init(PdfDictionary parent, PdfName structureType) {
PdfObject kido = parent.get(PdfName.K);
PdfArray kids = null;
if (kido != null && !kido.isArray())
throw new IllegalArgumentException("The parent has already another function.");
if (kido == null) {
kids = new PdfArray();
parent.put(PdfName.K, kids);
}
else
kids = (PdfArray)kido;
kids.add(this);
put(PdfName.S, structureType);
reference = top.getWriter().getPdfIndirectReference();
}
/**
* Gets the parent of this node.
* @return the parent of this node
*/
public PdfDictionary getParent() {
return parent;
}
void setPageMark(int page, int mark) {
if (mark >= 0)
put(PdfName.K, new PdfNumber(mark));
top.setPageMark(page, reference);
}
/**
* Gets the reference this object will be written to.
* @return the reference this object will be written to
*/
public PdfIndirectReference getReference() {
return this.reference;
}
}
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