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   * Copyright (c) Kongsberg Oil & Gas Technologies AS
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   * this list of conditions and the following disclaimer.
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  \**************************************************************************/
  
  #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
  