WP6StylesListener.h

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/* libwpd
 * Copyright (C) 2003 William Lachance (wrlach@gmail.com)
 * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)
 *
 * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA
 *
 * For further information visit http://libwpd.sourceforge.net
 */

/* "This product is not manufactured, approved, or supported by
 * Corel Corporation or Corel Corporation Limited."
 */

// WP6StylesListener: creates an intermediate table representation, given a
// sequence of messages passed to it by the parser.

#ifndef WP6STYLESLISTENER_H
#define WP6STYLESLISTENER_H

#include "WP6Listener.h"
#include "WPXStylesListener.h"
#include <vector>
#include <set>
#include <list>
#include "WPXPageSpan.h"
#include "WPXTable.h"

class WPXSubDocument;

class WP6StylesListener : public WP6Listener, protected WPXStylesListener
{
public:
        WP6StylesListener(std::list<WPXPageSpan> &pageList, WPXTableList tableList);

        void setDate(const uint16_t /* type */, const uint16_t /* year */, 
                     const uint8_t /* month */, const uint8_t /* day */, 
                     const uint8_t /* hour */, const uint8_t /* minute */, 
                     const uint8_t /* second */, const uint8_t /* dayOfWeek */, 
                     const uint8_t /* timeZone */, const uint8_t /* unused */) {}
        void setExtendedInformation(const uint16_t /* type */, const WPXString & /* data */) {}
        void startDocument() {}
        void setAlignmentCharacter(const uint16_t /* character */) {}
        void setLeaderCharacter(const uint16_t /* character */, const uint8_t /* numberOfSpaces */) {}
        void defineTabStops(const bool /* isRelative */, const std::vector<WPXTabStop> & /* tabStops */, 
                                    const std::vector<bool> & /* usePreWP9LeaderMethods */) {}
        void insertCharacter(const uint16_t /* character */) { if (!isUndoOn()) m_currentPageHasContent = true; }
        void insertTab(const uint8_t /* tabType */, float /* tabPosition */) { if (!isUndoOn()) m_currentPageHasContent = true; }
        void handleLineBreak()  { if (!isUndoOn()) m_currentPageHasContent = true; }
        void insertEOL() { if (!isUndoOn()) m_currentPageHasContent = true; }
        void insertBreak(const uint8_t breakType);
        void characterColorChange(const uint8_t /* red */, const uint8_t /* green */, const uint8_t /* blue */) {}
        void characterShadingChange(const uint8_t /* shading */) {}
        void highlightChange(const bool /* isOn */, const RGBSColor /* color */) {}
        void fontChange(const uint16_t /* matchedFontPointSize */, const uint16_t /* fontPID */) {}
        void attributeChange(const bool /* isOn */, const uint8_t /* attribute */) {}
        void lineSpacingChange(const float /* lineSpacing */) {}
        void spacingAfterParagraphChange(const float /* spacingRelative */, const float /* spacingAbsolute */) {}
        void justificationChange(const uint8_t /* justification */) {}
        void pageMarginChange(const uint8_t side, const uint16_t margin);
        void pageFormChange(const uint16_t length, const uint16_t width, const WPXFormOrientation orientation);
        void marginChange(const uint8_t side, const uint16_t margin);
        void paragraphMarginChange(const uint8_t /* side */, const int16_t /* margin */) {}
        void indentFirstLineChange(const int16_t /* offset */) {}
        void columnChange(const WPXTextColumnType /* columnType */, const uint8_t /* numColumns */,
                                const std::vector<float> & /* columnWidth */, const std::vector<bool> & /* isFixedWidth */) {}
        void updateOutlineDefinition(const WP6OutlineLocation /* outlineLocation */, const uint16_t /* outlineHash */,
                                             const uint8_t * /* numberingMethods */, const uint8_t /* tabBehaviourFlag */) {}

        void paragraphNumberOn(const uint16_t /* outlineHash */, const uint8_t /* level */, const uint8_t /* flag */) {}
        void paragraphNumberOff() { if (!isUndoOn()) m_currentPageHasContent = true; }
        void displayNumberReferenceGroupOn(const uint8_t /* subGroup */, const uint8_t /* level */) {}
        void displayNumberReferenceGroupOff(const uint8_t /* subGroup */) { if (!isUndoOn()) m_currentPageHasContent = true; }
        void styleGroupOn(const uint8_t /* subGroup */) {}
        void styleGroupOff(const uint8_t /* subGroup */) {}
        void globalOn(const uint8_t /* systemStyle */) {}
        void globalOff() {}
        void noteOn(const uint16_t textPID);
        void noteOff(const WPXNoteType /* noteType */) {}
        void headerFooterGroup(const uint8_t headerFooterType, const uint8_t occurenceBits, const uint16_t textPID);
        void suppressPageCharacteristics(const uint8_t suppressCode);
        void endDocument();

        void defineTable(const uint8_t position, const uint16_t leftOffset);
        void addTableColumnDefinition(const uint32_t /* width */, const uint32_t /* leftGutter */, const uint32_t /* rightGutter */,
                                const uint32_t /* attributes */, const uint8_t /* alignment */) {}
        void startTable();
        void insertRow(const uint16_t rowHeight, const bool isMinimumHeight, const bool isHeaderRow);
        void insertCell(const uint8_t colSpan, const uint8_t rowSpan, const uint8_t borderBits, 
                                const RGBSColor * cellFgColor, const RGBSColor * cellBgColor,
                                const RGBSColor * cellBorderColor, const WPXVerticalAlignment cellVerticalAlignment, 
                                const bool useCellAttributes, const uint32_t cellAttributes);
        void endTable();

        void undoChange(const uint8_t undoType, const uint16_t undoLevel);

protected:
        void _handleSubDocument(const WPXSubDocument *subDocument, const bool isHeaderFooter, WPXTableList tableList, int nextTableIndice = 0);

        void _flushText() {}
        void _changeList() {}

private:
        WP6StylesListener(const WP6StylesListener&);
        WP6StylesListener& operator=(const WP6StylesListener&);
        WPXPageSpan m_currentPage;

        WPXTableList m_tableList;
        WPXTable * m_currentTable;
        float m_tempMarginLeft, m_tempMarginRight;
        bool m_currentPageHasContent;
        bool m_isTableDefined;
        bool m_isSubDocument;
        std::set <const WPXSubDocument *> m_subDocuments;
        std::list<WPXPageSpan>::iterator m_pageListHardPageMark;
};

#endif /* WP6STYLESLISTENER_H */

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