/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  version 2.1 as published by the Free Software Foundation. See the
 *  file LICENSE.LGPL at the root directory of the distribution for
 *  more details.
 *
 *  If you want to use Coin for applications not compatible with the
 *  LGPL, please contact SIM to acquire a Professional Edition license.
 *
 *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
 *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
 *
\**************************************************************************/

#ifndef COIN_SOGROUP_H
#define COIN_SOGROUP_H

#include <Inventor/nodes/SoSubNode.h>


class COIN_DLL_API SoGroup : public SoNode {
  typedef SoNode inherited;

  SO_NODE_HEADER(SoGroup);

public:
  static void initClass(void);
  SoGroup(void);

  SoGroup(int nchildren);

  void addChild(SoNode * const node);
  void insertChild(SoNode * const child, const int newchildindex);
  SoNode * getChild(const int index) const;
  int findChild(const SoNode * const node) const;
  int getNumChildren(void) const;
  void removeChild(const int childindex);
  void removeChild(SoNode * const child);
  void removeAllChildren(void);
  void replaceChild(const int index, SoNode * const newchild);
  void replaceChild(SoNode * const oldchild, SoNode * const newchild);

  virtual void doAction(SoAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void callback(SoCallbackAction * action);
  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
  virtual void getMatrix(SoGetMatrixAction * action);
  virtual void handleEvent(SoHandleEventAction * action);
  virtual void pick(SoPickAction * action);
  virtual void search(SoSearchAction * action);
  virtual void write(SoWriteAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
  SoChildList * getChildren(void) const;

protected:
  virtual ~SoGroup();

  virtual SbBool readInstance(SoInput * in, unsigned short flags);
  virtual SbBool readChildren(SoInput * in);

  virtual void copyContents(const SoFieldContainer * from,
                            SbBool copyconnections);

  SoChildList * children;

  // FIXME: there's a bug in Doxygen (at least with version 1.2.9)
  // which causes the following statement to be regarded as a member
  // variable. Remove this workaround when the bug has been
  // fixed. 20011113 mortene.
#ifndef DOXYGEN_SKIP_THIS
  friend class SoUnknownNode; // Let SoUnknownNode access readChildren().
#endif // DOXYGEN_SKIP_THIS
};

#endif // !COIN_SOGROUP_H
