PbBase.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_BASE_
#define  _PB_BASE_
 
#include <Inventor/SbBasic.h>
#include <MeshViz/PbBasic.h>
 
class PoBase;
 
class  PbBase {
 
 public:
 
  void enableConnection(SbBool flag) 
    { m_connectionEnabled = flag; } 
 
  SbBool isConnectionEnabled() const
    { return m_connectionEnabled; }
 
  void touch();
 
  PbBase &operator=(const PbBase &base);
 
  /*--------------------------------------------------------------------------*/
 private:
  // Add or remove a PoBase object to the list of connected objects
  void addConnection(const PoBase *baseObj);
  SbBool removeConnection(const PoBase *baseObj);
  
  // Change type for a PbBase Object
  enum ChangeType {
    TGS_TOUCH_TYPE,
    TGS_DELETE_TYPE,
    TGS_GEOMETRY_TYPE,
    TGS_SET_OF_VALUES_TYPE,
    TGS_SET_OF_STRINGS_TYPE,
    TGS_SET_OF_VECTORS_TYPE,
    TGS_DOMAIN_TRANSFORM_TYPE
  };
  
  // Get changement type
  ChangeType getChangeType() const { return m_changeType; }
  void getDataChange(int &data) const { data = m_intDataChange; }
 
 private:
  // Constructors & destructors
  PbBase();
  PbBase(const PbBase &base);
  virtual ~PbBase();
  
  // Empty the list of connected objects
  void removeAllConnection();
  
  // Set changement type and data for a PbBase Object
  void setChangeType(ChangeType type) { m_changeType = type; }
  void setDataChange(int data) { m_intDataChange = data; }
  
  // Notify a change to all connected objects 
  void notifyChange();
  
 private:
  struct Element {
    PoBase *baseObj;
    Element *next;
  };
  
  // Used by constructor per copy and affectation operator
  void copy(const PbBase &base, SbBool isConstructorPerCopy);
  
  // Header of the list of PoBase object
  Element *m_headBaseObjList;
  
  // Indicate if the connection is enabled or not
  SbBool m_connectionEnabled;
  
  // Type of change
  ChangeType m_changeType;
  
  // Integer data change
  int m_intDataChange;
}; 
/*---------------------------------------------------------------------------*/
 
#endif /* _PB_BASE_ */