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/**
* Copyright (C) 2011-2012 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package org.apache.poi.xwpf.converter.core;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import org.apache.poi.xwpf.converter.core.utils.XWPFUtils;
import org.apache.poi.xwpf.usermodel.BodyElementType;
import org.apache.poi.xwpf.usermodel.IBodyElement;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTHdrFtrRef;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTPPr;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTSectPr;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STHdrFtr;
/**
* See http://officeopenxml.com/WPsection.php
*/
public class MasterPageManager
extends LinkedList
{
private final XWPFDocument document;
private final XWPFDocumentVisitor documentHandler;
private final CTSectPr bodySectPr;
private CTSectPr currentSectPr;
private final Map masterPages;
private boolean initialized;
private boolean changeSection;
private int nbPages;
private IXWPFMasterPage currentMasterPage;
public MasterPageManager( XWPFDocument document, XWPFDocumentVisitor visitor )
throws Exception
{
this.document = document;
this.documentHandler = visitor;
this.bodySectPr = document.getDocument().getBody().getSectPr();
this.masterPages = new HashMap();
this.initialized = false;
this.changeSection = false;
this.nbPages = 0;
}
public void initialize()
throws Exception
{
this.initialized = true;
compute( document );
if ( isEmpty() )
{
currentSectPr = bodySectPr;
addSection( currentSectPr, false );
fireSectionChanged( currentSectPr );
}
else
{
currentSectPr = super.poll();
fireSectionChanged( currentSectPr );
}
}
private void compute( XWPFDocument document )
throws Exception
{
for ( IBodyElement bodyElement : document.getBodyElements() )
{
if ( bodyElement.getElementType() == BodyElementType.PARAGRAPH )
{
XWPFParagraph paragraph = (XWPFParagraph) bodyElement;
CTSectPr sectPr = getSectPr( paragraph );
if ( sectPr != null )
{
addSection( sectPr, true );
}
}
}
addSection( bodySectPr, false );
}
public CTSectPr getBodySectPr()
{
return bodySectPr;
}
public void update( XWPFParagraph paragraph )
{
if ( changeSection )
{
changeSection = false;
if ( !isEmpty() )
{
currentSectPr = super.poll();
fireSectionChanged( currentSectPr );
}
else
{
currentSectPr = bodySectPr;
fireSectionChanged( currentSectPr );
}
}
else
{
CTSectPr sectPr = getSectPr( paragraph );
if ( sectPr != null )
{
currentSectPr = sectPr;
changeSection = true;
}
}
}
private void fireSectionChanged( CTSectPr sectPr )
{
currentMasterPage = getMasterPage( sectPr );
documentHandler.setActiveMasterPage( currentMasterPage );
}
private void addSection( CTSectPr sectPr, boolean pushIt )
throws Exception
{
if ( pushIt )
{
super.add( sectPr );
}
// For each ),
// then the section will use a first page header;
// if it is false (e.g., )
// (the default value), then the first page uses the odd page header. If the element is set to true but the
// first page header type is omitted, then a blank header is created.
boolean ignoreFirstHeaderFooter = !XWPFUtils.isCTOnOff( sectPr.getTitlePg() );
Collection headersRef = sectPr.getHeaderReferenceList();
Collection footersRef = sectPr.getFooterReferenceList();
boolean firstHeaderFooter = false;
for ( CTHdrFtrRef headerRef : headersRef )
{
STHdrFtr type = headerRef.xgetType();
firstHeaderFooter = ( type != null && type.enumValue() == STHdrFtr.FIRST );
if ( !firstHeaderFooter || ( firstHeaderFooter && !ignoreFirstHeaderFooter ) )
{
masterPage.setType( type.enumValue().intValue() );
documentHandler.visitHeaderRef( headerRef, sectPr, masterPage );
}
}
for ( CTHdrFtrRef footerRef : footersRef )
{
STHdrFtr type = footerRef.xgetType();
firstHeaderFooter = ( type != null && type.enumValue() == STHdrFtr.FIRST );
if ( !firstHeaderFooter || ( firstHeaderFooter && !ignoreFirstHeaderFooter ) )
{
masterPage.setType( type.enumValue().intValue() );
documentHandler.visitFooterRef( footerRef, sectPr, masterPage );
}
}
masterPage.setType( STHdrFtr.INT_FIRST );
}
private CTSectPr getSectPr( XWPFParagraph paragraph )
{
CTPPr ppr = paragraph.getCTP().getPPr();
if ( ppr != null )
{
return ppr.getSectPr();
}
return null;
}
public IXWPFMasterPage getMasterPage( CTSectPr sectPr )
{
return masterPages.get( sectPr );
}
public boolean isInitialized()
{
return initialized;
}
public void onNewPage()
{
if ( currentMasterPage != null )
{
int oldType = currentMasterPage.getType();
int newType = STHdrFtr.INT_DEFAULT;
if ( nbPages % 2 == 0 )
{
newType = STHdrFtr.INT_EVEN;
}
if ( oldType != newType )
{
currentMasterPage.setType( newType );
}
}
}
}
