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/*
 * e-table-column-specification.c - Savable specification of a column.
 *
 * 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-table-column-specification.h"

#include <stdlib.h>

G_DEFINE_TYPE (
    ETableColumnSpecification,
    e_table_column_specification,
    G_TYPE_OBJECT)

static void
free_strings (ETableColumnSpecification *etcs)
{
    g_free (etcs->title);
    etcs->title = NULL;
    g_free (etcs->pixbuf);
    etcs->pixbuf = NULL;
    g_free (etcs->cell);
    etcs->cell = NULL;
    g_free (etcs->compare);
    etcs->compare = NULL;
    g_free (etcs->search);
    etcs->search = NULL;
}

static void
etcs_finalize (GObject *object)
{
    ETableColumnSpecification *etcs = E_TABLE_COLUMN_SPECIFICATION (object);

    free_strings (etcs);

    G_OBJECT_CLASS (e_table_column_specification_parent_class)->finalize (object);
}

static void
e_table_column_specification_class_init (ETableColumnSpecificationClass *class)
{
    GObjectClass *object_class = G_OBJECT_CLASS (class);

    object_class->finalize = etcs_finalize;
}

static void
e_table_column_specification_init (ETableColumnSpecification *specification)
{
    specification->model_col = 0;
    specification->compare_col = 0;
    specification->title = NULL;
    specification->pixbuf = NULL;

    specification->expansion = 0;
    specification->minimum_width = 0;
    specification->resizable = FALSE;
    specification->disabled = FALSE;

    specification->cell = NULL;
    specification->compare = NULL;
    specification->search = NULL;
    specification->priority = 0;
}

ETableColumnSpecification *
e_table_column_specification_new (void)
{
    return g_object_new (E_TYPE_TABLE_COLUMN_SPECIFICATION, NULL);
}

/**
 * e_table_column_specification_equal:
 * @spec_a: an #ETableColumnSpecification
 * @spec_b: another #ETableColumnSpecification
 *
 * Convenience function compares @spec_a and @spec_b for equality, which
 * simply means they share the same model column number.
 *
 * <note>
 *   <para>
 *     We should strive to get rid of this function by ensuring only one
 *     #ETableSpecification instance exists per table specification file.
 *     Then we could compare for equality by simply comparing pointers.
 *   </para>
 * </note>
 *
 * Returns: %TRUE if @spec_a and @spec_b describe the same column
 **/
gboolean
e_table_column_specification_equal (ETableColumnSpecification *spec_a,
                                    ETableColumnSpecification *spec_b)
{
    g_return_val_if_fail (E_IS_TABLE_COLUMN_SPECIFICATION (spec_a), FALSE);
    g_return_val_if_fail (E_IS_TABLE_COLUMN_SPECIFICATION (spec_b), FALSE);

    return (spec_a->model_col == spec_b->model_col);
}