00001 /* AbiWord 00002 * Copyright (C) 1998 AbiSource, Inc. 00003 * 00004 * This program is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU General Public License 00006 * as published by the Free Software Foundation; either version 2 00007 * of the License, or (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00017 * 02110-1301 USA. 00018 */ 00019 00020 00021 #ifndef PX_CHANGERECORD_OBJECT_H 00022 #define PX_CHANGERECORD_OBJECT_H 00023 00024 #include "ut_types.h" 00025 #include "px_ChangeRecord.h" 00026 00027 class fd_Field; 00028 00029 // PX_ChangeRecord_Object describes an insertObject or 00030 // deleteObject change made to the document. 00031 // This description should be sufficient to allow undo to 00032 // work and sufficient to allow the formatter to do a 00033 // partial format and screen update (if appropriate). 00034 // The change record must be free of pointers, since it 00035 // represents what was done to the document -- and not 00036 // how it was done (that is, not what was done to various 00037 // intermediate data structures). this also lets it be 00038 // cached to disk (for autosave and maybe multi-session 00039 // undo). 00040 // 00041 00042 00043 class ABI_EXPORT PX_ChangeRecord_Object : public PX_ChangeRecord 00044 { 00045 public: 00046 PX_ChangeRecord_Object(PXType type, 00047 PT_DocPosition position, 00048 PT_AttrPropIndex indexAP, 00049 UT_uint32 iXID, 00050 PTObjectType ObjectType, 00051 PT_BlockOffset blockOffset, 00052 fd_Field * field, 00053 pf_Frag_Object* pOH); 00054 ~PX_ChangeRecord_Object(); 00055 00056 virtual PX_ChangeRecord * reverse(void) const; 00057 00058 PTObjectType getObjectType(void) const; 00059 PT_BlockOffset getBlockOffset(void) const; 00060 fd_Field * getField(void) const {return m_field;} 00061 pf_Frag_Object* getObjectHandle(void) const 00062 { return m_OH;} 00063 void setObjectHandle(pf_Frag_Object * pfo) const 00064 { m_OH = pfo;} 00065 void AdjustBlockOffset(PT_BlockOffset iBlk) const 00066 { m_blockOffset = iBlk;} 00067 00068 protected: 00069 PTObjectType m_objectType; /* our type (image, etc.) */ 00070 mutable PT_BlockOffset m_blockOffset; /* offset of span from beginning of paragraph */ 00071 // this only serves as a unique identifier of a field 00072 // it should not be thought of as a valid pointer 00073 fd_Field * m_field; 00074 mutable pf_Frag_Object* m_OH; 00075 }; 00076 00077 #endif /* PX_CHANGERECORD_OBJECT_H */