/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2017  Tony Gregerson <tony.gregerson@gmail.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

#include "tagfilterproxymodel.h"

#include "tagfiltermodel.h"

TagFilterProxyModel::TagFilterProxyModel(QObject *parent)
    : QSortFilterProxyModel(parent)
{
}

QModelIndex TagFilterProxyModel::index(const Tag &tag) const
{
    return mapFromSource(static_cast<TagFilterModel *>(sourceModel())->index(tag));
}

Tag TagFilterProxyModel::tag(const QModelIndex &index) const
{
    return static_cast<TagFilterModel *>(sourceModel())->tag(mapToSource(index));
}

bool TagFilterProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
    // "All" and "Untagged" must be left in place
    if (TagFilterModel::isSpecialItem(left) || TagFilterModel::isSpecialItem(right))
        return (left < right);
    return m_naturalLessThan(left.data().toString(), right.data().toString());
}
