/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwpd
* Version: MPL 2.0 / LGPLv2.1+
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Major Contributor(s):
* Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2006 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU Lesser General Public License Version 2.1 or later
* (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
* applicable instead of those above.
*
* For further information visit http://libwpd.sourceforge.net
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#include "WP3StylesListener.h"
#include "WPXTable.h"
#include "WP3FileStructure.h"
#include "WPXFileStructure.h"
#include "libwpd_internal.h"
#include "WP3SubDocument.h"
WP3StylesListener::WP3StylesListener(std::list<WPXPageSpan> &pageList, WPXTableList tableList, std::vector<WP3SubDocument *> &subDocuments) :
WP3Listener(),
WPXStylesListener(pageList),
m_currentPage(WPXPageSpan()),
m_tableList(tableList),
m_currentTable(nullptr),
m_tempMarginLeft(1.0),
m_tempMarginRight(1.0),
m_currentPageHasContent(false),
m_isSubDocument(false),
m_subDocuments(subDocuments),
m_pageListHardPageMark(m_pageList.end())
{
m_pageListHardPageMark = m_pageList.end();
}
void WP3StylesListener::endDocument()
{
insertBreak(WPX_SOFT_PAGE_BREAK); // pretend we just had a soft page break (for the last page)
setUndoOn(false);
}
void WP3StylesListener::endSubDocument()
{
insertBreak(WPX_SOFT_PAGE_BREAK); // pretend we just had a soft page break (for the last page)
setUndoOn(false);
}
void WP3StylesListener::insertBreak(const unsigned char breakType)
{
if (m_isSubDocument)
return;
if (!isUndoOn())
{
m_currentPageHasContent = true;
WPXTableList tableList;
switch (breakType)
{
case WPX_PAGE_BREAK:
case WPX_SOFT_PAGE_BREAK:
if ((m_pageList.size() > 0) && (m_currentPage==m_pageList.back())
&& (m_pageListHardPageMark != m_pageList.end()))
{
m_pageList.back().setPageSpan(m_pageList.back().getPageSpan() + 1);
}
else
{
m_pageList.push_back(WPXPageSpan(m_currentPage));
if (m_pageListHardPageMark == m_pageList.end())
--m_pageListHardPageMark;
}
m_currentPage = WPXPageSpan(m_pageList.back(), 0.0, 0.0);
m_currentPage.setPageSpan(1);
m_currentPageHasContent = false;
break;
default:
break;
}
if (breakType == WPX_PAGE_BREAK)
{
m_pageListHardPageMark = m_pageList.end();
m_currentPage.setMarginLeft(m_tempMarginLeft);
m_currentPage.setMarginRight(m_tempMarginRight);
}
}
}
void WP3StylesListener::undoChange(const unsigned char /* undoType */, const unsigned short /* undoLevel */)
{
// enable when have understood the undo change functions in WP3 file-format
#if 0
if (undoType == 0x00) // begin invalid text
setUndoOn(true);
else if (undoType == 0x01) // end invalid text
setUndoOn(false);
#endif
}
void WP3StylesListener::pageMarginChange(const unsigned char side, const unsigned short margin)
{
if (!isUndoOn())
{
double marginInch = (double)((double)margin / (double)WPX_NUM_WPUS_PER_INCH);
switch (side)
{
case WPX_TOP:
m_currentPage.setMarginTop(marginInch);
break;
case WPX_BOTTOM:
m_currentPage.setMarginBottom(marginInch);
break;
default:
break;
}
}
}
void WP3StylesListener::marginChange(const unsigned char side, const unsigned short margin)
{
if (!isUndoOn())
{
if (m_isSubDocument)
return; // do not collect L/R margin information in sub documents
std::list<WPXPageSpan>::iterator Iter;
double marginInch = (double)((double)margin / (double)WPX_NUM_WPUS_PER_INCH);
switch (side)
{
case WPX_LEFT:
if (!m_currentPageHasContent && (m_pageListHardPageMark == m_pageList.end()))
m_currentPage.setMarginLeft(marginInch);
else if (m_currentPage.getMarginLeft() > marginInch)
{
// Change the margin for the current page and for all pages in the list since the last Hard Break
m_currentPage.setMarginLeft(marginInch);
for (Iter = m_pageListHardPageMark; Iter != m_pageList.end(); ++Iter)
{
(*Iter).setMarginLeft(marginInch);
}
}
m_tempMarginLeft = marginInch;
break;
case WPX_RIGHT:
if (!m_currentPageHasContent && (m_pageListHardPageMark == m_pageList.end()))
m_currentPage.setMarginRight(marginInch);
else if (m_currentPage.getMarginRight() > marginInch)
{
// Change the margin for the current page and for all pages in the list since the last Hard Break
m_currentPage.setMarginRight(marginInch);
for (Iter = m_pageListHardPageMark; Iter != m_pageList.end(); ++Iter)
{
(*Iter).setMarginRight(marginInch);
}
}
m_tempMarginRight = marginInch;
break;
default:
break;
}
}
}
void WP3StylesListener::pageFormChange(const unsigned short length, const unsigned short width, const WPXFormOrientation orientation)
{
if (!isUndoOn())
{
double lengthInch = (double)((double)length / (double)WPX_NUM_WPUS_PER_INCH);
double widthInch = (double)((double)width / (double)WPX_NUM_WPUS_PER_INCH);
if (!m_currentPageHasContent)
{
m_currentPage.setFormLength(lengthInch);
m_currentPage.setFormWidth(widthInch);
m_currentPage.setFormOrientation(orientation);
}
}
}
void WP3StylesListener::headerFooterGroup(const unsigned char headerFooterType, const unsigned char occurrenceBits, WP3SubDocument *subDocument)
{
if (!isUndoOn())
{
if (subDocument)
m_subDocuments.push_back(subDocument);
WPD_DEBUG_MSG(("WordPerfect: headerFooterGroup (headerFooterType: %i, occurrenceBits: %i)\n",
headerFooterType, occurrenceBits));
bool tempCurrentPageHasContent = m_currentPageHasContent;
if (headerFooterType <= WP3_HEADER_FOOTER_GROUP_FOOTER_B) // ignore watermarks for now
{
WPXHeaderFooterType wpxType = ((headerFooterType <= WP3_HEADER_FOOTER_GROUP_HEADER_B) ? HEADER : FOOTER);
WPXHeaderFooterOccurrence wpxOccurrence;
if ((occurrenceBits & WP3_HEADER_FOOTER_GROUP_EVEN_BIT) && (occurrenceBits & WP3_HEADER_FOOTER_GROUP_ODD_BIT))
wpxOccurrence = ALL;
else if (occurrenceBits & WP3_HEADER_FOOTER_GROUP_EVEN_BIT)
wpxOccurrence = EVEN;
else if (occurrenceBits & WP3_HEADER_FOOTER_GROUP_ODD_BIT)
wpxOccurrence = ODD;
else
wpxOccurrence = NEVER;
WPXTableList tableList;
if (wpxOccurrence != NEVER)
{
m_currentPage.setHeaderFooter(wpxType, headerFooterType, wpxOccurrence, subDocument, tableList);
_handleSubDocument(subDocument, WPX_SUBDOCUMENT_HEADER_FOOTER, tableList);
}
else
m_currentPage.setHeaderFooter(wpxType, headerFooterType, wpxOccurrence, nullptr, tableList);
}
m_currentPageHasContent = tempCurrentPageHasContent;
}
}
void WP3StylesListener::suppressPage(const unsigned short suppressCode)
{
if (!isUndoOn())
{
WPD_DEBUG_MSG(("WordPerfect: suppressPageCharacteristics (suppressCode: %u)\n", suppressCode));
if (suppressCode & WP3_PAGE_GROUP_SUPPRESS_HEADER_A)
m_currentPage.setHeadFooterSuppression(WPX_HEADER_A, true);
if (suppressCode & WP3_PAGE_GROUP_SUPPRESS_HEADER_B)
m_currentPage.setHeadFooterSuppression(WPX_HEADER_B, true);
if (suppressCode & WP3_PAGE_GROUP_SUPPRESS_FOOTER_A)
m_currentPage.setHeadFooterSuppression(WPX_FOOTER_A, true);
if (suppressCode & WP3_PAGE_GROUP_SUPPRESS_FOOTER_B)
m_currentPage.setHeadFooterSuppression(WPX_FOOTER_B, true);
}
}
void WP3StylesListener::startTable()
{
if (!isUndoOn())
{
m_currentPageHasContent = true;
m_currentTable = new WPXTable();
m_tableList.add(m_currentTable);
}
}
void WP3StylesListener::_handleSubDocument(const WPXSubDocument *subDocument, WPXSubDocumentType subDocumentType,
WPXTableList tableList, int /* nextTableIndice */)
{
bool oldIsSubDocument = m_isSubDocument;
m_isSubDocument = true;
bool oldIsUndoOn = isUndoOn();
if (subDocumentType == WPX_SUBDOCUMENT_HEADER_FOOTER)
{
bool oldCurrentPageHasContent = m_currentPageHasContent;
WPXTable *oldCurrentTable = m_currentTable;
WPXTableList oldTableList = m_tableList;
m_tableList = tableList;
if (subDocument)
static_cast<const WP3SubDocument *>(subDocument)->parse(this);
m_tableList = oldTableList;
m_currentTable = oldCurrentTable;
m_currentPageHasContent = oldCurrentPageHasContent;
}
else
{
if (subDocument)
static_cast<const WP3SubDocument *>(subDocument)->parse(this);
}
m_isSubDocument = oldIsSubDocument;
setUndoOn(oldIsUndoOn);
}
/* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */