DbBlockElement.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
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//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
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#ifndef _DbBlockElement_h_Included_
#define _DbBlockElement_h_Included_
 
#include "DbEvalGraph.h"
#include "IntArray.h"
#include "Ge/GePoint3dArray.h"
 
class OdDbBlockTableRecord;
class OdDbBlockRepresentationContext;
 
#define ODDB_EVAL_DECLARE_MEMBERS(ClassName) \
  ODDB_DECLARE_MEMBERS(ClassName);\
  OdResult dwgInFields(OdDbDwgFiler* pFiler);\
  void dwgOutFields(OdDbDwgFiler* pFiler) const;\
  OdResult dxfInFields(OdDbDxfFiler* pFiler);\
  void dxfOutFields(OdDbDxfFiler* pFiler) const
 
// #define DEBUG_EVALGRAPH 1
 
class DYNBLOCKS_EXPORT OdDbBlockElement : public OdDbEvalConnectable
{
public:
  enum HistoryCompression{kHistoryCompression0,kHistoryCompression1,kHistoryCompression2,kHistoryCompression3};
  ODDB_EVAL_DECLARE_MEMBERS(OdDbBlockElement);
  virtual bool evaluate( const OdDbEvalContext* );
  virtual bool connectionAllowed(const OdString&,OdDbEvalNodeId,const OdString&) const;
  virtual bool connectTo(const OdString&,OdDbEvalNodeId,const OdString&);
  virtual bool disconnectFrom(const OdString&,OdDbEvalNodeId,const OdString&);
  virtual bool hasConnectionNamed(const OdString&) const;
  virtual bool getConnectedNames(const OdString&,unsigned long,OdStringArray&) const;
  virtual bool getConnectedObjects(const OdString&,OdDbEvalNodeIdArray&) const;
  virtual void getConnectionNames(OdStringArray&) const;
  virtual bool getConnectionType  (const OdString& name, OdResBuf::ValueType& type) const;
  virtual OdResBufPtr getConnectionValue (const OdString& name) const;
  virtual OdString name() const;
  virtual void setName( const OdString& );
  virtual OdDb::MaintReleaseVer getInstanceMaintenanceVersion();
  virtual OdDb::DwgVersion  getInstanceVersion();
  virtual void getStretchPoints( OdGePoint3dArray& )const;
  virtual void moveStretchPointsAt( const OdIntArray &, const OdGeVector3d &);
  virtual HistoryCompression historyCompression() const;
  virtual bool historyRequired() const;
  virtual bool hasInstanceData()const; // has instance data loaded
  virtual bool loadInstanceData(const OdResBuf*, bool bRequireEvaluate = false); // loads instance data from xdata chain
  virtual OdResBufPtr saveInstanceData()const; // saves instance data to xdata chain
  virtual void updateConnections();
 
  virtual bool isMemberOfCurrentVisibilitySet()const;
  virtual void setMemberOfCurrentVisibilitySet(bool);
  virtual OdResult transformBy( const OdGeMatrix3d& );
};
typedef OdSmartPtr<OdDbBlockElement>OdDbBlockElementPtr;
 
#endif // _DbBlockElement_h_Included_