/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2005 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 <URL:http://www.coin3d.org/> for more information.
 *
 *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
 *  <URL:http://www.sim.no/>.
 *
\**************************************************************************/

#ifndef COIN_SOVRMLLOD_H
#define COIN_SOVRMLLOD_H

#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoMFNode.h>

class SoVRMLLODP;

class COIN_DLL_API SoVRMLLOD : public SoGroup
{
  typedef SoGroup inherited;
  SO_NODE_HEADER(SoVRMLLOD);

public:
  static void initClass(void);
  SoVRMLLOD(void);
  SoVRMLLOD(int levels);

  SoMFFloat range;
  SoSFVec3f center;
  SoMFNode level;

  virtual SbBool affectsState(void) const;

  void addLevel(SoNode * level);
  void insertLevel(SoNode * level, int idx);
  SoNode * getLevel(int idx) const;
  int findLevel(const SoNode * level) const;
  int getNumLevels(void) const;
  void removeLevel(int idx);
  void removeLevel(SoNode * level);
  void removeAllLevels(void);
  void replaceLevel(int idx, SoNode * level);
  void replaceLevel(SoNode * old, SoNode * level);

  virtual void doAction(SoAction * action);
  virtual void callback(SoCallbackAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void rayPick(SoRayPickAction * action);
  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
  virtual void search(SoSearchAction * action);
  virtual void write(SoWriteAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
  virtual void audioRender(SoAudioRenderAction * action);

  virtual void GLRenderBelowPath(SoGLRenderAction * action);
  virtual void GLRenderInPath(SoGLRenderAction * action);
  virtual void GLRenderOffPath(SoGLRenderAction * action);

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

protected:
  virtual ~SoVRMLLOD();

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

  virtual int whichToTraverse(SoAction * action);

private:
  void commonConstructor(void);
  SoVRMLLODP * pimpl;
  friend class SoVRMLLODP;
}; // class SoVRMLLOD

#endif // ! COIN_SOVRMLLOD_H
