/********************************************************************
Copyright 2016  Eike Hein <hein.org>

This library 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; either
version 2.1 of the License, or (at your option) version 3, or any
later version accepted by the membership of KDE e.V. (or its
successor approved by the membership of KDE e.V.), which shall
act as a proxy defined in Section 6 of version 3 of the license.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library.  If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#ifndef FLATTENTASKGROUPSPROXYMODEL_H
#define FLATTENTASKGROUPSPROXYMODEL_H

#include "abstracttasksproxymodeliface.h"

#include <KDescendantsProxyModel>

#include "taskmanager_export.h"

namespace TaskManager
{

/**
 * @short A proxy tasks model for flattening a tree-structured tasks model
 * into a list-structured tasks model.
 *
 * This proxy model is a subclass of KDescendantsProxyModel implementing
 * AbstractTasksModelIface.
 *
 * @author Eike Hein <hein@kde.org>
 **/

class TASKMANAGER_EXPORT FlattenTaskGroupsProxyModel : public KDescendantsProxyModel,
    public AbstractTasksProxyModelIface
{
    Q_OBJECT

public:
    explicit FlattenTaskGroupsProxyModel(QObject *parent = nullptr);
    ~FlattenTaskGroupsProxyModel() override;

    void setSourceModel(QAbstractItemModel *sourceModel) override;

protected:
    QModelIndex mapIfaceToSource(const QModelIndex &index) const override;
private:
    class Private;
    QScopedPointer<Private> d;
};

}

#endif
