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/* This file is part of the KDE project
* Copyright (c) 2006 Boudewijn Rempt (boud@valdyas.org)
* Copyright (C) 2006, 2010 Thomas Zander <zander@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 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 KOSHAPEREGISTRY_H
#define KOSHAPEREGISTRY_H
#include <QObject>
#include <KoGenericRegistry.h>
#include <KoXmlReader.h>
#include <KoShapeFactoryBase.h>
#include "flake_export.h"
class KoShape;
class KoShapeFactoryBase;
class KoShapeLoadingContext;
/**
* This singleton class keeps a register of all available flake shapes,
* or rather, of the factories that applications can use to create flake
* shape objects.
*/
class FLAKE_EXPORT KoShapeRegistry : public KoGenericRegistry<KoShapeFactoryBase*>
{
public:
~KoShapeRegistry();
/**
* Return an instance of the KoShapeRegistry
* Creates an instance if that has never happened before and returns the singleton instance.
*/
static KoShapeRegistry *instance();
/**
* Add shape factory for a shape that is not a plugin
* This can be used also if you want to have a shape only in one application
*
* @param factory The factory of the shape
*/
void addFactory(KoShapeFactoryBase *factory);
/**
* Use the element to find out which flake plugin can load it, and
* returns the loaded shape. The element expected is one of
* 'draw:line', 'draw:frame' / etc.
*
* @returns the shape or 0 if no shape could be created. The shape may have as its parent
* set a layer which was previously created and stored in the context.
* @see KoShapeLoadingContext::layer()
*/
KoShape *createShapeFromOdf(const KoXmlElement &element, KoShapeLoadingContext &context) const;
/**
* Returns a list of shape factories supporting the specified xml element.
* @param nameSpace the namespace of the xml element, see KoXmlNS for valid namespaces
* @param elementName the tag name of the element
* @return the list of shape factories supporting the specified xml element
*/
QList<KoShapeFactoryBase*> factoriesForElement(const QString &nameSpace, const QString &elementName);
private:
KoShapeRegistry();
KoShapeRegistry(const KoShapeRegistry&);
KoShapeRegistry operator=(const KoShapeRegistry&);
class Private;
Private *d;
};
#endif
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