px_ChangeRecord.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */


#ifndef PX_CHANGERECORD_H
#define PX_CHANGERECORD_H

#include "ut_types.h"
#include "ut_uuid.h"
#include "pt_Types.h"
#include "pd_Document.h"
#include "pt_PieceTable.h"

class PD_Document;

class ABI_EXPORT PX_ChangeRecord
{
  friend class pt_PieceTable;
public:
    typedef enum _PXType { 
        PXT__FIRST__=-1,
        PXT_GlobMarker=-1,
        PXT_InsertSpan=0, 
        PXT_DeleteSpan=1,
        PXT_ChangeSpan=2, 
        PXT_InsertStrux=3,
        PXT_DeleteStrux=4, 
        PXT_ChangeStrux=5,
        PXT_InsertObject=6, 
        PXT_DeleteObject=7,
        PXT_ChangeObject=8, 
        PXT_InsertFmtMark=9,
        PXT_DeleteFmtMark=10, 
        PXT_ChangeFmtMark=11,
        PXT_ChangePoint=12, 
        PXT_ListUpdate=13, 
        PXT_StopList=14, 
        PXT_UpdateField=15,
        PXT_RemoveList=16,
        PXT_UpdateLayout=17,
        PXT_AddStyle=18,
        PXT_RemoveStyle=19,
        PXT_CreateDataItem=20,
        PXT_ChangeDocProp=21,
        PXT__LAST__ = 22
    }PXType;

    PX_ChangeRecord(PXType type,
            PT_DocPosition position,
            PT_AttrPropIndex indexNewAP,
            UT_uint32 iXID);

    virtual ~PX_ChangeRecord();

    PXType                  getType(void) const;
    PT_DocPosition          getPosition(void) const;
    PT_AttrPropIndex        getIndexAP(void) const;
    bool                    getPersistance(void) const;

    inline void             setPersistance(bool persistant) 
        { m_persistant = persistant; }

    virtual PX_ChangeRecord* reverse(void) const;
    PXType                  getRevType(void) const;
    UT_sint32               getCRNumber(void) const
      { return m_iCRNumber;}
    UT_uint32               getXID() const {return m_iXID;}

    const char *            getDocUUID() const;
    
    PD_Document *           getDocument(void) const;
    void                    setDocument(const PD_Document * pDoc) const;
    bool                    setCRNumber(void) const;
    bool                    isFromThisDoc(void) const;
    void                    setAdjustment(UT_sint32 iAdj) const;
    UT_sint32               getAdjustment(void) const;
#ifdef PT_TEST
    virtual void            __dump(FILE * fp) const;
    void                    __dump_type(FILE * fp) const;
#endif
    
protected:
    PXType                  m_type;
    PT_DocPosition          m_position;
    PT_AttrPropIndex        m_indexAP;
    bool                    m_persistant;

    // the XID attribute of the frag
    UT_uint32               m_iXID;
mutable  UT_sint32          m_iCRNumber;
mutable  PD_Document *      m_pDoc;
private:
    mutable struct uuid     m_MyDocUUID;
    mutable UT_sint32       m_iAdjust;
};
#endif /* PX_CHANGERECORD_H */

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