hk_button.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_BUTTON_H
#define HK_BUTTON_H
#include "hk_dsvisible.h"
#include <list>
using namespace std;
class hk_database;
class hk_button :public hk_dsvisible
{
    public:
        hk_button(hk_form* form=NULL);
        virtual ~hk_button(void);
        void set_action(const hk_string& action,const hk_string& object,bool showmaximized=false,bool registerchange=true);
        void set_action(long action,const hk_string& object,bool showmaximized=false,bool registerchange=true);
virtual bool push_action(void);
        hk_string object (void);
        int action(void);
        bool show_maximized(void);
        void set_database(hk_database* database);
        hk_database* database(void);

        virtual void loaddata(const hk_string& definition);
        virtual void  savedata(ostream& s );

        typedef class
        {
            public:
                hk_string reportfield;
                hk_string condition;
                hk_string formdatasource;
                hk_string formfield;
        } struct_condition;

        void add_condition(const hk_string& reportfield,const hk_string& condition,const hk_string& formdatasource,const hk_string& formfield,bool registerchange=true);
        list<struct_condition>* conditions(void);
        void clear_conditions(bool registerchange=true);

    protected:
        virtual bool    widget_specific_open_form(void);
        virtual bool    widget_specific_close_form(void);
        virtual bool    widget_specific_open_table(void);
        virtual bool    widget_specific_open_query(void);
        virtual bool    widget_specific_preview_report(void);
        virtual bool    widget_specific_print_report(void);
        hk_string parsed_condition(hk_presentation*);

    private:
        long int p_action;
        hk_string p_object;
        bool p_showmaximized;
        hk_database* p_database;
        list<struct_condition> p_reportconditions;

};
#endif

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