/*
* $Id: DocListener.java,v 1.52 2004/12/14 11:52:47 blowagie Exp $
* $Name: $
*
* Copyright (c) 1999, 2000, 2001, 2002 Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* 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.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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.
*
* 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;
/**
* A class that implements DocListener
will perform some
* actions when some actions are performed on a Document
.
*
* @see ElementListener
* @see Document
* @see DocWriter
*/
public interface DocListener extends ElementListener {
// methods
/**
* Signals that the Document
has been opened and that
* Elements
can be added.
*/
public void open();
/**
* Sets the pagesize.
*
* @param pageSize the new pagesize
* @return a boolean
*/
public boolean setPageSize(Rectangle pageSize);
/**
* Signals that a Watermark
was added to the Document
.
*
* @param watermark the Watermark object
* @return true
if the element was added, false
if not.
*/
public boolean add(Watermark watermark);
/**
* Signals that a Watermark
was removed from the Document
.
*/
public void removeWatermark();
/**
* Sets the margins.
*
* @param marginLeft the margin on the left
* @param marginRight the margin on the right
* @param marginTop the margin on the top
* @param marginBottom the margin on the bottom
* @return a boolean
*/
public boolean setMargins(float marginLeft, float marginRight, float marginTop, float marginBottom);
/**
* Parameter that allows you to do margin mirroring (odd/even pages)
* @param marginMirroring
* @return true if succesfull
*/
public boolean setMarginMirroring(boolean marginMirroring);
/**
* Signals that an new page has to be started.
*
* @return true
if the page was added, false
if not.
* @throws DocumentException when a document isn't open yet, or has been closed
*/
public boolean newPage() throws DocumentException;
/**
* Changes the header of this document.
*
* @param header the new header
*/
public void setHeader(HeaderFooter header);
/**
* Resets the header of this document.
*/
public void resetHeader();
/**
* Changes the footer of this document.
*
* @param footer the new footer
*/
public void setFooter(HeaderFooter footer);
/**
* Resets the footer of this document.
*/
public void resetFooter();
/**
* Sets the page number to 0.
*/
public void resetPageCount();
/**
* Sets the page number.
*
* @param pageN the new page number
*/
public void setPageCount(int pageN);
/**
* Clears text wrapping around images (if applicable).
* Method suggested by Pelikan Stephan
* @throws DocumentException
*/
public void clearTextWrap() throws DocumentException;
/**
* Signals that the Document
was closed and that no other
* Elements
will be added.
*
* The outputstream of every writer implementing DocListener
will be closed.
*/
public void close();
}