/*
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 *
 * Authors:
 *		Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-selection-model-array.h"
#include "e-selection-model-simple.h"

static gint esms_get_row_count (ESelectionModelArray *esma);

G_DEFINE_TYPE (
	ESelectionModelSimple,
	e_selection_model_simple,
	E_TYPE_SELECTION_MODEL_ARRAY)

static void
e_selection_model_simple_init (ESelectionModelSimple *selection)
{
	selection->row_count = 0;
}

static void
e_selection_model_simple_class_init (ESelectionModelSimpleClass *class)
{
	ESelectionModelArrayClass *esma_class;

	esma_class = E_SELECTION_MODEL_ARRAY_CLASS (class);
	esma_class->get_row_count = esms_get_row_count;
}

/**
 * e_selection_model_simple_new
 *
 * This routine creates a new #ESelectionModelSimple.
 *
 * Returns: The new #ESelectionModelSimple.
 */
ESelectionModelSimple *
e_selection_model_simple_new (void)
{
	return g_object_new (E_TYPE_SELECTION_MODEL_SIMPLE, NULL);
}

void
e_selection_model_simple_set_row_count (ESelectionModelSimple *esms,
                                        gint row_count)
{
	gboolean any_selected = FALSE;

	if (esms->row_count != row_count) {
		ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY (esms);
		if (esma->eba) {
			any_selected = e_bit_array_selected_count (esma->eba) > 0;
			g_object_unref (esma->eba);
		}
		esma->eba = NULL;
		esma->selected_row = -1;
		esma->selected_range_end = -1;
	}

	esms->row_count = row_count;

	if (any_selected)
		e_selection_model_selection_changed (E_SELECTION_MODEL (esms));
}

static gint
esms_get_row_count (ESelectionModelArray *esma)
{
	ESelectionModelSimple *esms = E_SELECTION_MODEL_SIMPLE (esma);

	return esms->row_count;
}

void
e_selection_model_simple_insert_rows (ESelectionModelSimple *esms,
                                      gint row,
                                      gint count)
{
	esms->row_count += count;
	e_selection_model_array_insert_rows (
		E_SELECTION_MODEL_ARRAY (esms), row, count);
}

void
e_selection_model_simple_delete_rows (ESelectionModelSimple *esms,
                                      gint row,
                                      gint count)
{
	esms->row_count -= count;
	e_selection_model_array_delete_rows (
		E_SELECTION_MODEL_ARRAY (esms), row, count);
}

void
e_selection_model_simple_move_row (ESelectionModelSimple *esms,
                                   gint old_row,
                                   gint new_row)
{
	e_selection_model_array_move_row (
		E_SELECTION_MODEL_ARRAY (esms), old_row, new_row);
}