hk_dsgridcolumn.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_DSGRIDCOLUMN_H
#define HK_DSGRIDCOLUMN_H
#include "hk_dsdatavisible.h"
using namespace std;
class hk_column;
class hk_dsgrid;
class hk_dscombobox;
const int default_cellwidth=100;
const int default_cellheight=20;

class  hk_dsgridcolumn :public hk_dsdatavisible
{
    friend class hk_dsgrid;
    public:
        enum  enum_columntype{columnedit,columnbool,columncombo};
        hk_dsgridcolumn(void);
        virtual ~hk_dsgridcolumn(void);
        void  set_displayname(hk_string,bool registerchange=true);
        hk_string displayname(void);
        void set_columntype(enum_columntype,bool registerchange=true);
        enum_columntype columntype(void);
        void set_columnwidth(int ,bool registerchange=true);
        int columnwidth(void);
        virtual   void  savedata(ostream& s);
        virtual   void loaddata(const hk_string& definition);

        void    set_listdatasource(const hk_string& datasourcename,datasourcetype dt=dt_table, bool registerchange=true);
        hk_datasource* listdatasource(void);
        hk_string      listdatasourcename(void);
        datasourcetype listdatasourcetype() const;
        void    set_viewcolumnname(const hk_string& viewcolumn,bool registerchange=true);
        hk_string  viewcolumnname(void);
        void    set_listcolumnname(const hk_string& listcolumn,bool registerchange=true);
        hk_string listcolumnname(void);

        virtual bool        set_listpresentationdatasource(long n, bool registerchange=true);
        long        listpresentationdatasource(void);
        hk_string   value_at(unsigned long);

        virtual void set_datasource(hk_datasource*);
        hk_dscombobox* combobox(void);
        
        unsigned int find(unsigned int from,unsigned int to,const hk_string& searchtext,bool wholephrase=false,bool casesensitive=false,bool backwards=false);
        bool is_findstring(unsigned int pos,const hk_string& searchtext,bool wholephrase=false,bool casesensitive=false);

    private:
        void set_grid(hk_dsgrid*);
        void set_combovalues(void);
        hk_string p_displayname;
        hk_string     p_comboviewcolumnname;
        hk_string p_combolistcolumnname;
        long      p_combopresentationdatasource;
        hk_string p_combolistdatasourcename;
        datasourcetype      p_combolistdatasourcetype;

        enum_columntype   p_columntype;
        int       p_columnwidth;
        hk_dsgrid* p_grid;
        hk_dscombobox* p_combobox;

};
#endif

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