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/* mg-data-handler.h
*
* Copyright (C) 2003 Vivien Malerba
*
* 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 __MG_DATA_HANDLER_H_
#define __MG_DATA_HANDLER_H_
#include <gtk/gtk.h>
#include "mg-defs.h"
#include <libgda/libgda.h>
G_BEGIN_DECLS
#define MG_DATA_HANDLER_TYPE (mg_data_handler_get_type())
#define MG_DATA_HANDLER(obj) G_TYPE_CHECK_INSTANCE_CAST (obj, mg_data_handler_get_type(), MgDataHandler)
#define IS_MG_DATA_HANDLER(obj) G_TYPE_CHECK_INSTANCE_TYPE (obj, mg_data_handler_get_type ())
#define MG_DATA_HANDLER_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), MG_DATA_HANDLER_TYPE, MgDataHandlerIface))
/* struct for the interface */
struct _MgDataHandlerIface
{
GTypeInterface g_iface;
/* virtual table */
MgDataEntry *(* get_entry_from_value) (MgDataHandler *dh, const GdaValue *value, GdaValueType type);
gchar *(* get_sql_from_value) (MgDataHandler *dh, const GdaValue *value);
gchar *(* get_str_from_value) (MgDataHandler *dh, const GdaValue *value);
GdaValue *(* get_value_from_sql) (MgDataHandler *dh, const gchar *sql, GdaValueType type);
GdaValue *(* get_value_from_str) (MgDataHandler *dh, const gchar *str, GdaValueType type);
GdaValue *(* get_sane_init_value) (MgDataHandler *dh, GdaValueType type);
GtkCellRenderer *(* get_cell_renderer) (MgDataHandler *dh, GdaValueType type);
guint (* get_nb_gda_types) (MgDataHandler * dh);
GdaValueType (* get_gda_type_index) (MgDataHandler * dh, guint index);
gboolean (* accepts_gda_type) (MgDataHandler * dh, GdaValueType type);
const gchar *(* get_descr) (MgDataHandler * dh);
const gchar *(* get_descr_detail) (MgDataHandler * dh);
const gchar *(* get_version) (MgDataHandler * dh);
gboolean (* is_plugin) (MgDataHandler * dh);
const gchar *(* get_plugin_name) (MgDataHandler * dh);
const gchar *(* get_plugin_file) (MgDataHandler * dh);
gchar *(* get_key) (MgDataHandler * dh);
};
guint mg_data_handler_get_type (void);
/* Creates new widgets for data manipulation */
MgDataEntry *mg_data_handler_get_entry_from_value (MgDataHandler * dh, const GdaValue *value, GdaValueType type);
GtkCellRenderer *mg_data_handler_get_cell_renderer (MgDataHandler * dh, GdaValueType type);
/* Simply does data manipulation */
gchar *mg_data_handler_get_sql_from_value (MgDataHandler * dh, const GdaValue *value);
gchar *mg_data_handler_get_str_from_value (MgDataHandler * dh, const GdaValue *value);
GdaValue *mg_data_handler_get_value_from_sql (MgDataHandler * dh, const gchar *sql, GdaValueType type);
GdaValue *mg_data_handler_get_value_from_str (MgDataHandler * dh, const gchar *str, GdaValueType type);
GdaValue *mg_data_handler_get_sane_init_value (MgDataHandler * dh, GdaValueType type);
/* information about the data handler itself */
guint mg_data_handler_get_nb_gda_types (MgDataHandler * dh);
GdaValueType mg_data_handler_get_gda_type_index (MgDataHandler * dh, guint index);
gboolean mg_data_handler_accepts_gda_type (MgDataHandler * dh, GdaValueType type);
const gchar *mg_data_handler_get_descr (MgDataHandler * dh);
const gchar *mg_data_handler_get_descr_detail (MgDataHandler * dh);
const gchar *mg_data_handler_get_version (MgDataHandler * dh);
gboolean mg_data_handler_is_plugin (MgDataHandler * dh);
const gchar *mg_data_handler_get_plugin_name (MgDataHandler * dh);
const gchar *mg_data_handler_get_plugin_file (MgDataHandler * dh);
gchar *mg_data_handler_get_key (MgDataHandler * dh);
G_END_DECLS
#endif
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