src/KGantt/kganttsummaryhandlingproxymodel_p.h

0001 /*
0002  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
0003  *
0004  * This file is part of the KGantt library.
0005  *
0006  * This program is free software; you can redistribute it and/or
0007  * modify it under the terms of the GNU General Public License as
0008  * published by the Free Software Foundation; either version 2 of
0009  * the License, or (at your option) any later version.
0010  *
0011  * This program is distributed in the hope that it will be useful,
0012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014  * GNU General Public License for more details.
0015  *
0016  * You should have received a copy of the GNU General Public License
0017  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
0018  */
0019
0020 #ifndef KGANTTSUMMARYHANDLINGPROXYMODEL_P_H
0021 #define KGANTTSUMMARYHANDLINGPROXYMODEL_P_H
0022
0023 #include "kganttsummaryhandlingproxymodel.h"
0024
0025 #include <QDateTime>
0026 #include <QHash>
0027 #include <QPair>
0028 #include <QPersistentModelIndex>
0029
0030 namespace KGantt {
0031     class Q_DECL_HIDDEN SummaryHandlingProxyModel::Private {
0032     public:
0033         bool cacheLookup( const QModelIndex& idx,
0034                           QPair<QDateTime,QDateTime>* result ) const;
0035         void insertInCache( const SummaryHandlingProxyModel* model, const QModelIndex& idx ) const;
0036         void removeFromCache( const QModelIndex& idx ) const;
0037         void clearCache() const;
0038
0039         inline bool isSummary( const QModelIndex& idx ) const {
0040             int typ = idx.data( ItemTypeRole ).toInt();
0041             return (typ==TypeSummary) || (typ==TypeMulti);
0042         }
0043
0044         mutable QHash<QModelIndex, QPair<QDateTime, QDateTime> > cached_summary_items;
0045     };
0046 }
0047
0048 #endif /* KGANTTSUMMARYHANDLINGPROXYMODEL_P_H */
0049