fd_Field.h

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/* AbiWord
 * Copyright (C) 2000 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 FIELD_H
#define FIELD_H

#include "ut_types.h"
#include "ut_xml.h"
#include "pf_Frag_Object.h"
#include "pf_Frag_Text.h"
#include "pt_Types.h"

class fl_BlockLayout;
class pf_Frag_Object;

class ABI_EXPORT fd_Field
{
 public:
    // TBD: convention for naming 
    typedef enum _FieldType 
    {
            FD_None,
        FD_Test,
        FD_MartinTest,
        FD_Time, 
        FD_PageNumber, 
        FD_PageCount,
        FD_ListLabel,
        FD_FileName,
        FD_Date,

        FD_Date_MMDDYY,
        FD_Date_DDMMYY,
        FD_Date_MDY,
        FD_Date_MthDY,
        FD_Date_DFL,
        FD_Date_NTDFL,
        FD_Date_Wkday,
        FD_Date_DOY,

        FD_Time_MilTime,
        FD_Time_AMPM,
        FD_Time_Zone,
        FD_Time_Epoch,

        FD_Table_sum_rows,
        FD_Table_sum_cols,

        FD_DateTime_Custom,

        FD_Doc_WordCount,
        FD_Doc_CharCount,
        FD_Doc_LineCount,
        FD_Doc_ParaCount,
        FD_Doc_NbspCount,

        FD_App_Version,
        FD_App_ID,
        FD_App_Options,
        FD_App_Target,
        FD_App_CompileTime,
        FD_App_CompileDate,
        
        FD_Endnote_Ref,
        FD_Endnote_Anchor,

        FD_Footnote_Ref,
        FD_Footnote_Anchor,
        
        FD_PageReference,
        FD_MailMerge,

        FD_Meta_Title,
        FD_Meta_Creator,
        FD_Meta_Subject,
        FD_Meta_Publisher,
        FD_Meta_Date,
        FD_Meta_Type,
        FD_Meta_Language,
        FD_Meta_Rights,
        FD_Meta_Keywords,
        FD_Meta_Contributor,
        FD_Meta_Coverage,
        FD_Meta_Description,

        __last_field_dont_use__
    } FieldType;
    fd_Field(pf_Frag_Object& fO, pt_PieceTable * pt, FieldType fieldType, const gchar *pParam);
    virtual                         ~fd_Field(void);
    bool                            update(void);
    void                            setBlock(fl_BlockLayout * pBlock);
    fl_BlockLayout *                getBlock( void);
    FieldType                       getFieldType(void) const;
    gchar *                     getValue(void) const;
    void                            setValue(const gchar * szValue);
    const gchar *               getParameter(void) const {return static_cast<const gchar *>(m_pParameter);};
    // probably need different types of update
    // which are overridden in the appropriate subclass
    // eg positionChangeUpdate
    //    referenceChangeUpdate
 protected:
    bool                            _deleteSpan(void);
    void                            _throwChangeRec(PT_DocPosition docPos);
    fl_BlockLayout * m_pBlock;
    // will need some more helper functions in here eg. to test 
    // whether text has changed to avoid unnecessary updates
 private:
    pf_Frag_Object& m_fragObject;
    pt_PieceTable * m_pPieceTable;
    UT_uint32 m_updateCount;
    FieldType m_iFieldType;
    gchar * m_szValue;
    gchar * m_pParameter;
};

#endif

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