/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2006 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 General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Systems in Motion about acquiring
 *  a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

#ifndef COIN_SOVRMLPARENT_H
#define COIN_SOVRMLPARENT_H

#include <Inventor/nodes/SoGroup.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/fields/SoMFNode.h>

class SoVRMLParentP;
class SoSensor;

class COIN_DLL_API SoVRMLParent : public SoGroup
{
  typedef SoGroup inherited;
  SO_NODE_ABSTRACT_HEADER(SoVRMLParent);

public:
  static void initClass(void);

  SoMFNode children;

  virtual SbBool affectsState(void) const;
  virtual void addChild(SoNode * child);
  virtual void insertChild(SoNode * child, int idx);
  virtual SoNode * getChild(int idx) const;
  virtual int findChild(const SoNode * child) const;
  virtual int getNumChildren(void) const;
  virtual void removeChild(int idx);
  virtual void removeChild(SoNode * child);
  virtual void removeAllChildren(void);
  virtual void replaceChild(int idx, SoNode * child);
  virtual void replaceChild(SoNode * old, SoNode * child);
  virtual SoChildList * getChildren(void) const;

  virtual void doAction(SoAction * action);
  virtual void search(SoSearchAction * action);
  virtual void write(SoWriteAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);

  static void updateChildList(const SoNode * const * nodes, const int numnodes,
                              SoChildList & cl);
  static void updateChildList(SoNode * nodewithsfnode,
                              SoChildList & cl);

protected:
  SoVRMLParent(void);
  SoVRMLParent(int approxchildren);
  virtual ~SoVRMLParent();

  SoMFNode addChildren;
  SoMFNode removeChildren;

  virtual void notify(SoNotList * list);
  virtual SbBool readInstance(SoInput * in, unsigned short flags);
  virtual void copyContents(const SoFieldContainer * from, SbBool copyConn);

private:
  static void field_sensor_cb(void * data, SoSensor * sensor);
  void commonConstructor(void);
  void processAddChildren(void);
  void processRemoveChildren(void);
  SoFieldData * makeWriteData(void);
  
  SoVRMLParentP * pimpl;
}; // class SoVRMLParent

#endif // ! COIN_SOVRMLPARENT_H
