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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-table-sort-info.h
 * Copyright 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License, version 2, as published by the Free Software Foundation.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef _E_TABLE_SORT_INFO_H_
#define _E_TABLE_SORT_INFO_H_

#include <glib-object.h>
#include <libxml/tree.h>

G_BEGIN_DECLS

#define E_TABLE_SORT_INFO_TYPE        (e_table_sort_info_get_type ())
#define E_TABLE_SORT_INFO(o)          (G_TYPE_CHECK_INSTANCE_CAST ((o), E_TABLE_SORT_INFO_TYPE, ETableSortInfo))
#define E_TABLE_SORT_INFO_CLASS(k)    (G_TYPE_CHECK_CLASS_CAST((k), E_TABLE_SORT_INFO_TYPE, ETableSortInfoClass))
#define E_IS_TABLE_SORT_INFO(o)       (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_TABLE_SORT_INFO_TYPE))
#define E_IS_TABLE_SORT_INFO_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_TABLE_SORT_INFO_TYPE))
#define E_TABLE_SORT_INFO_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), E_TABLE_SORT_INFO_TYPE, ETableSortInfoClass))

typedef struct _ETableSortColumn ETableSortColumn;

struct _ETableSortColumn {
    guint column : 31;
    guint ascending : 1;
};

typedef struct {
    GObject   base;
    
    gint group_count;
    ETableSortColumn *groupings;
    gint sort_count;
    ETableSortColumn *sortings;
    
    guint frozen : 1;
    guint sort_info_changed : 1;
    guint group_info_changed : 1;

    guint can_group : 1;
} ETableSortInfo;

typedef struct {
    GObjectClass parent_class;

    /*
     * Signals
     */
    void        (*sort_info_changed)      (ETableSortInfo *info);
    void        (*group_info_changed)     (ETableSortInfo *info);
} ETableSortInfoClass;

GType             e_table_sort_info_get_type            (void);

void              e_table_sort_info_freeze              (ETableSortInfo   *info);
void              e_table_sort_info_thaw                (ETableSortInfo   *info);

guint             e_table_sort_info_grouping_get_count  (ETableSortInfo   *info);
void              e_table_sort_info_grouping_truncate   (ETableSortInfo   *info,
                             int               length);
ETableSortColumn  e_table_sort_info_grouping_get_nth    (ETableSortInfo   *info,
                             int               n);
void              e_table_sort_info_grouping_set_nth    (ETableSortInfo   *info,
                             int               n,
                             ETableSortColumn  column);

guint             e_table_sort_info_sorting_get_count   (ETableSortInfo   *info);
void              e_table_sort_info_sorting_truncate    (ETableSortInfo   *info,
                             int               length);
ETableSortColumn  e_table_sort_info_sorting_get_nth     (ETableSortInfo   *info,
                             int               n);
void              e_table_sort_info_sorting_set_nth     (ETableSortInfo   *info,
                             int               n,
                             ETableSortColumn  column);

ETableSortInfo   *e_table_sort_info_new                 (void);
void              e_table_sort_info_load_from_node      (ETableSortInfo   *info,
                             xmlNode          *node,
                             gdouble           state_version);
xmlNode          *e_table_sort_info_save_to_node        (ETableSortInfo   *info,
                             xmlNode          *parent);
ETableSortInfo   *e_table_sort_info_duplicate           (ETableSortInfo   *info);
void              e_table_sort_info_set_can_group       (ETableSortInfo   *info,
                             gboolean          can_group);
gboolean          e_table_sort_info_get_can_group       (ETableSortInfo   *info);

G_END_DECLS

#endif /* _E_TABLE_SORT_INFO_H_ */