84 lines
2.3 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
#ifndef SEMANTICINFODIRMODEL_H
#define SEMANTICINFODIRMODEL_H
// Qt
// KF
#include <KDirModel>
// Local
class QUrl;
namespace Gwenview
{
class AbstractSemanticInfoBackEnd;
struct SemanticInfo;
struct SemanticInfoDirModelPrivate;
/**
* Extends KDirModel by providing read/write access to image metadata such as
* rating, tags and descriptions.
*/
class SemanticInfoDirModel : public KDirModel
{
Q_OBJECT
public:
enum {
RatingRole = 0x21a43a51,
DescriptionRole = 0x26FB33FA,
TagsRole = 0x0462F0A8,
};
SemanticInfoDirModel(QObject *parent);
~SemanticInfoDirModel() override;
void clearSemanticInfoCache();
bool semanticInfoAvailableForIndex(const QModelIndex &) const;
void retrieveSemanticInfoForIndex(const QModelIndex &);
SemanticInfo semanticInfoForIndex(const QModelIndex &) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
bool setData(const QModelIndex &index, const QVariant &data, int role = Qt::EditRole) override;
AbstractSemanticInfoBackEnd *semanticInfoBackEnd() const;
Q_SIGNALS:
void semanticInfoRetrieved(const QUrl &, const SemanticInfo &);
private:
SemanticInfoDirModelPrivate *const d;
private Q_SLOTS:
void slotSemanticInfoRetrieved(const QUrl &url, const SemanticInfo &);
void slotRowsAboutToBeRemoved(const QModelIndex &, int, int);
void slotModelAboutToBeReset();
};
} // namespace
#endif /* SEMANTICINFODIRMODEL_H */