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/*
* SerializingObject.h - declaration of class SerializingObject
*
* Copyright (c) 2008-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef SERIALIZING_OBJECT_H
#define SERIALIZING_OBJECT_H
#include <QtCore/QString>
#include "export.h"
class QDomDocument;
class QDomElement;
class SerializingObjectHook;
class EXPORT SerializingObject
{
public:
SerializingObject();
virtual ~SerializingObject();
virtual QDomElement saveState( QDomDocument & _doc, QDomElement & _parent );
virtual void restoreState( const QDomElement & _this );
// to be implemented by actual object
virtual QString nodeName() const = 0;
void setHook( SerializingObjectHook * _hook );
SerializingObjectHook* hook()
{
return m_hook;
}
protected:
// to be implemented by sub-objects
virtual void saveSettings( QDomDocument& doc, QDomElement& element ) = 0;
virtual void loadSettings( const QDomElement& element ) = 0;
private:
SerializingObjectHook * m_hook;
} ;
class SerializingObjectHook
{
public:
SerializingObjectHook() :
m_hookedIn( NULL )
{
}
virtual ~SerializingObjectHook()
{
if( m_hookedIn != NULL )
{
m_hookedIn->setHook( NULL );
}
}
virtual void saveSettings( QDomDocument & _doc, QDomElement & _this ) = 0;
virtual void loadSettings( const QDomElement & _this ) = 0;
private:
SerializingObject * m_hookedIn;
friend class SerializingObject;
} ;
#endif
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