sneedmc/launcher/groupview/GroupedProxyModel.cpp

49 lines
1.5 KiB
C++

/* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GroupedProxyModel.h"
#include "GroupView.h"
#include <QDebug>
GroupedProxyModel::GroupedProxyModel(QObject *parent) : QSortFilterProxyModel(parent)
{
}
bool GroupedProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
const QString leftCategory = left.data(GroupViewRoles::GroupRole).toString();
const QString rightCategory = right.data(GroupViewRoles::GroupRole).toString();
if (leftCategory == rightCategory)
{
return subSortLessThan(left, right);
}
else
{
// FIXME: real group sorting happens in GroupView::updateGeometries(), see LocaleString
auto result = leftCategory.localeAwareCompare(rightCategory);
if(result == 0)
{
return subSortLessThan(left, right);
}
return result < 0;
}
}
bool GroupedProxyModel::subSortLessThan(const QModelIndex &left, const QModelIndex &right) const
{
return left.row() < right.row();
}