hk_drivermanager.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_DRIVERMANAGER_H
#define HK_DRIVERMANAGER_H
#include "hk_definitions.h"
#include <list>
#include <vector>
#include "hk_class.h"
#include "hk_definitions.h"
#include "hk_string.h"
using namespace std;

class hk_connection;
class hk_drivermanagerprivate;
typedef hk_string requestdialogtype(void);

class hk_drivermanager: public hk_class
{
    friend class hk_connection;
    public:
        hk_drivermanager(void);
        hk_drivermanager(bool runtime);
 virtual       ~hk_drivermanager(void);
        hk_connection* new_connection(const hk_string& drivername="",enum_interaction i=interactive);
        hk_connection* find_existing_connection(const hk_string& drivername,const hk_string& host,unsigned int tcp_port,const hk_string& user);

        static   vector<hk_string>* driverlist(void);
        static   void set_path(const hk_string& path);
        static   hk_string path(void);
        static void set_driverselectdialog(requestdialogtype* dialog);
        static hk_string show_driverselectdialog(void);

    protected:

    private:
        void init(bool runtime);
        void load_preferences(void);
        void set_preferences(const hk_string& preferences);

        void    connection_remove(hk_connection* c);
        static   hk_string p_hk_classespath;
        static   vector<hk_string> p_driverlist;
        static   void scan_directory(void);
        static requestdialogtype* p_driverselectdialog;
        list<hk_connection*> p_connections;
        hk_drivermanagerprivate* p_private;
};


#endif

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