/*
 * Copyright (c) 2019 Frank Fischer <frank-fischer@shadow-soft.de>
 *
 * 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 3 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, see  <http://www.gnu.org/licenses/>
 */

#ifndef __KOLLAGESHUFFLEMODEL_HXX__
#define __KOLLAGESHUFFLEMODEL_HXX__

#include <QtCore/QIdentityProxyModel>

class KollageShuffleModel : public QIdentityProxyModel
{
    Q_OBJECT

public:
    KollageShuffleModel(QObject* parent = nullptr);

    QVariant data(const QModelIndex& proxyIndex, int role = Qt::DisplayRole) const override;

    void setSourceIndex(int sourceIndex);

    void setTargetIndex(int targetIndex);

    void clearSourceIndex();

    void clearTargetIndex();

protected:
    QModelIndex map2source(const QModelIndex& sourceIndex) const;

private:
    int sourceIndex_ = -1;
    int targetIndex_ = -1;
};

#endif
