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/* This file is part of the KDE project
Copyright (C) 2002, 2003 The Karbon Developers
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 __VGROUP_H__
#define __VGROUP_H__
#include <qptrlist.h>
#include "vobject.h"
#include <koffice_export.h>
typedef QPtrList<VObject> VObjectList;
typedef QPtrListIterator<VObject> VObjectListIterator;
/**
* Base class for all sort of VObject conglomerats.
*/
class KARBONBASE_EXPORT VGroup : public VObject
{
public:
/**
* Constructs a new group object that is child of parent and has the given state.
*
* The object's fill and stroke are created here.
*
* @param parent the new object's parent
* @param state the new object's state
*/
VGroup( VObject* parent, VState state = normal );
/**
* Copy constructor.
*
* @param group the group to copy properties from
*/
VGroup( const VGroup& group );
/**
* Destroys the group and all of the child objects.
*/
virtual ~VGroup();
virtual void draw( VPainter* painter, const KoRect* rect = 0L ) const;
virtual const KoRect& boundingBox() const;
virtual void setStroke( const VStroke& stroke );
virtual void setFill( const VFill& fill );
virtual void setState( const VState state );
virtual void save( QDomElement& element ) const;
virtual void saveOasis( KoStore *store, KoXmlWriter *docWriter, KoGenStyles &mainStyles, int &index ) const;
virtual void load( const QDomElement& element );
virtual bool loadOasis( const QDomElement &element, KoOasisLoadingContext &context );
virtual VGroup* clone() const;
virtual void accept( VVisitor& visitor );
/**
* Removes the reference to child object, not the object itself.
*
* @param object the child object to remove
*/
void take( const VObject& object );
/**
* Appends a new child object.
*
* @param object the object to append
*/
void append( VObject* object );
/**
* This function is important for undo/redo. It inserts newObject in front
* of oldObject.
*
* @param newObject the new object to insert
* @param oldObject the old object the new object is inserted in front of
*/
virtual void insertInfrontOf( VObject* newObject, VObject* oldObject );
/**
* Clears the group, without destroying the grouped objects.
*/
void clear();
/**
* Read only access to the grouped objects.
*
* @return reference to the list of grouped objects
*/
const VObjectList& objects() const { return m_objects; }
protected:
VObjectList m_objects; /**< the list of grouped objects */
};
#endif
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