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/* This file is part of the Calligra project, made with-in the KDE community
Copyright (C) 2010 KO GmbH <ben.martin@kogmbh.com>
Copyright (C) 2013 Friedrich W. H. Kossebau <kossebau@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KORDFSEMANTICITEMREGISTRY_H
#define KORDFSEMANTICITEMREGISTRY_H
#include "kordf_export.h"
#include "KoRdfSemanticItem.h"
#include "KoRdfSemanticItemFactoryBase.h"
// Calligra
#include <KoGenericRegistry.h>
class KoCanvasBase;
/**
* This singleton class keeps a register of all available semantic item factories.
* @see KoRdfSemanticItemFactoryBase
* @see KoRdfSemanticItem
*/
class KORDF_EXPORT KoRdfSemanticItemRegistry : public KoGenericRegistry<KoRdfSemanticItemFactoryBase*>
{
public:
~KoRdfSemanticItemRegistry();
/**
* Return an instance of the KoRdfSemanticItemRegistry
* Creates an instance if that has never happened before and returns the singleton instance.
*/
static KoRdfSemanticItemRegistry *instance();
/**
* Gets a list of SemanticItem subclasses that can be created.
* Any of the strings in the return value can be created using
* createSemanticItem().
*
* @see createSemanticItem()
*/
QStringList classNames() const;
/**
* Returns the display name of the class, or an empty string if none was found.
*/
QString classDisplayName(const QString &className) const;
/**
* Create a SemanticItem subclass using its name from
* classNames(). Useful for menus and other places that want to
* allow the user to create new SemanticItem Objects.
*/
hKoRdfSemanticItem createSemanticItem(const QString &semanticClass, const KoDocumentRdf *docRdf, QObject *parent = 0) const;
/**
* Create a SemanticItem subclass from the passed mimeData.
* TODO: support that mimedata could be used for different semantic item classes
*/
hKoRdfSemanticItem createSemanticItemFromMimeData(const QMimeData *mimeData, KoCanvasBase *host, const KoDocumentRdf *docRdf, QObject *parent = 0) const;
/**
* Returns if a semantic item could be principially created from the passed mimeData.
* Creation could still fail if actually tried.
*/
bool canCreateSemanticItemFromMimeData(const QMimeData *mimeData) const;
void updateSemanticItems(QList<hKoRdfSemanticItem> &semanticItems, const KoDocumentRdf *docRdf,
const QString &className,
QSharedPointer<Soprano::Model> m = QSharedPointer<Soprano::Model>(0)) const;
private:
KoRdfSemanticItemRegistry();
KoRdfSemanticItemRegistry(const KoRdfSemanticItemRegistry&);
KoRdfSemanticItemRegistry operator=(const KoRdfSemanticItemRegistry&);
class Private;
Private * const d;
};
#endif
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