hk_dsdatavisible.h

// ****************************************************************************
// copyright (c) 2000-2004 Horst Knorr <hk_classes@knoda.org>  
// This file is part of the hk_classes library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file COPYING included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#ifndef HK_DSDATAVISIBLE
#define HK_DSDATAVISIBLE
#include "hk_dsvisible.h"
using namespace std;
class hk_column;
class hk_form;
class hk_dsdatavisibleprivate;
class hk_dsdatavisible: public hk_dsvisible
{
    friend class hk_column;
    public:
        hk_dsdatavisible(hk_presentation* p=NULL);
        virtual ~hk_dsdatavisible();
        void set_columnname(const hk_string& c,bool registerchange=true);
        void set_columnname(const hk_string& c, bool registerchange, int coloccurance);
        hk_column* column(void);
        hk_string columnname(void);
        virtual void set_datasource(hk_datasource* d);
        hk_datasource* datasource(void);
        virtual void savedata(ostream& s );
        virtual void loaddata(const hk_string& definition);
        bool    use_defaultvalue(void);
        void    set_defaultvalue(const hk_string& def,bool registerchange=true);
        hk_string raw_defaultvalue(void);
        hk_string defaultvalue(void);
        void    reset_default(bool registerchange=true);

        void    set_numberformat(bool use_numberseparator=false, int commadigits=-1,bool registerchange=true);
        void    set_numberformat(bool use_numberseparator, int commadigits,bool registerchange,bool force_setting);
        bool    use_numberseparator(void);
        int     commadigits(void);
        int precision(void);
        static void set_defaultnumberformat(bool use_thousandsseparator,int precision);
        static bool defaultuse_numberseparator(void);
        static int defaultprecision(void);
        virtual hk_string value_at(unsigned long row);
        virtual hk_string value(void);
        virtual void set_value(const hk_string&);

        unsigned int find(unsigned int from,unsigned int to,const hk_string& searchtext,bool wholephrase=false,bool casesensitive=false,bool backwards=false);
        unsigned int find(const hk_string& searchtext,bool wholephrase=false,bool casesensitive=false,bool backwards=false);


    protected:

        virtual bool datasource_disable(void);
        virtual bool datasource_enable(void);
        virtual void datasource_delete(void);
        virtual bool before_columns_deleted(void);
        virtual void widget_specific_set_column(void);
        virtual void widget_specific_numberformat(void);
        virtual void columndata_has_changed(void){}
        virtual void before_insert_row(void);
        virtual void new_column_pointer_created(void);
        virtual void    presentationmode_changed(void);
        hk_column* p_column;

    private:

        void set_column(void);
        bool           p_usedefault;
        bool           p_virginname;//used to find out whether to automatically set defaultvalues
        static  bool p_defaultthousandsseparator;
        static  int  p_defaultprecision;
        hk_dsdatavisibleprivate* p_designdata;
        hk_dsdatavisibleprivate* p_viewdata;


}


;
#endif

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