SoSField.h

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/*=======================================================================
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 * ALL RIGHTS RESERVED
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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
** Modified by : Nick Thompson (MMM yyyy)
** Modified by : Gavin Bell (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_SFIELD_
#define  _SO_SFIELD_
 
#include <Inventor/fields/SoField.h>
 
//
//  Class: SoSField
//
//  Field that always has only one value.
//
 
class  SoSField : public SoField {
 public:
  // Destructor
#ifndef HIDDEN_FROM_DOC
  virtual ~SoSField();
#endif // HIDDEN_FROM_DOC
 
  static SoType getClassTypeId();
 
 private:
  // Constructor
  SoSField();
  
 private:
  static void initClass();
  static void exitClass();
 
  static void *createInstance(SoType* dynamicType = NULL);
 
  // Called by an instance to indicate that a value has changed. If
  // resetDefault is TRUE, this turns off default flag. Initiates
  // notification, if necessary.
  void valueChanged(SbBool resetDefault = TRUE)
    {valueChangedBasic(resetDefault);}
 
  // Reads value of field
  virtual SbBool readValue(SoInput *in) = 0;
  
  // Writes value of field
  virtual void writeValue(SoOutput *out) const = 0;
 
private:
  static SoType classTypeId;
 
};
 
#endif /* _SO_SFIELD_ */