pgngameentrymodel.h

/*
    This file is part of Cute Chess.
    Copyright (C) 2008-2018 Cute Chess authors

    Cute Chess 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.

    Cute Chess 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 Cute Chess.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PGN_GAME_ENTRY_MODEL_H
#define PGN_GAME_ENTRY_MODEL_H

#include <QAbstractItemModel>
#include <QList>
#include <QFuture>
#include <QFutureWatcher>
#include <pgngamefilter.h>
class PgnGameEntry;

class PgnGameEntryModel : public QAbstractItemModel
{
    Q_OBJECT

    public:
        PgnGameEntryModel(QObject* parent = nullptr);

        const PgnGameEntry* entryAt(int row) const;
        int entryCount() const;
        int sourceIndex(int row) const;
        void setEntries(const QList<const PgnGameEntry*>& entries);

        // Inherited from QAbstractItemModel
        virtual QModelIndex index(int row, int column,
                      const QModelIndex& parent = QModelIndex()) const;
        virtual QModelIndex parent(const QModelIndex& index) const;
        virtual int rowCount(const QModelIndex& parent = QModelIndex()) const;
        virtual int columnCount(const QModelIndex& parent = QModelIndex()) const;
        virtual QVariant data(const QModelIndex& index, int role) const;
        virtual QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;

    public slots:
        void setFilter(const PgnGameFilter& filter);

    protected:
        // Inherited from QAbstractItemModel
        virtual bool canFetchMore(const QModelIndex& parent) const;
        virtual void fetchMore(const QModelIndex& parent);

    private slots:
        void onResultsReady();

    private:
        void applyFilter(const PgnGameFilter& filter);

        QList<const PgnGameEntry*> m_entries;
        QVector<int> m_indexes;
        int m_entryCount;
        QFuture<int> m_filtered;
        QFutureWatcher<int> m_watcher;
        PgnGameFilter m_filter;
};

#endif // PGN_GAME_ENTRY_MODEL_H