- public:
- SketchSolver_Constraint();
- SketchSolver_Constraint(boost::shared_ptr<SketchPlugin_Constraint> theConstraint);
-
- /** \brief Compute constraint type according to SolveSpace identifiers
- * and verify that constraint parameters are correct
- * \param[in] theConstraint constraint which type should be determined
- * \return identifier of constraint type or SLVS_C_UNKNOWN if the type is wrong
- */
- const int& getType(boost::shared_ptr<SketchPlugin_Constraint> theConstraint);
- /// \brief Returns the type of myConstraint member
- inline const int& getType() const
- {
- return myType;
- }
-
- /// \brief Returns list of attributes names in the correct order required by SolveSpace
- inline const std::vector<std::string>& getAttributes() const
- {
- return myAttributesList;
- }
-
- private:
- boost::shared_ptr<SketchPlugin_Constraint> myConstraint;
- int myType;
- std::vector<std::string> myAttributesList;
+protected:
+ /// Default constructor
+ SketchSolver_Constraint()
+ : myGroupID(GID_UNKNOWN),
+ myType(CONSTRAINT_UNKNOWN)
+ {}
+
+public:
+ /// Constructor based on SketchPlugin constraint
+ SKETCHSOLVER_EXPORT SketchSolver_Constraint(ConstraintPtr theConstraint);
+
+ virtual ~SketchSolver_Constraint() {}
+
+ /// \brief Initializes parameters and start constraint creation
+ /// \param theStorage [in] storage where to place new constraint
+ /// \param theGroupID [in] group for constraint
+ /// \param theSketchID [in] sketch for constraint
+ void process(StoragePtr theStorage, const GroupID& theGroupID, const EntityID& theSketchID);
+
+ /// \brief Update constraint
+ SKETCHSOLVER_EXPORT virtual void update();
+
+ /// \brief Tries to remove constraint
+ /// \return \c false, if current constraint contains another SketchPlugin constraints
+ /// (like for multiple coincidence)
+ SKETCHSOLVER_EXPORT virtual bool remove();
+
+ /// \brief Obtain a type of SketchPlugin constraint
+ SKETCHSOLVER_EXPORT static SketchSolver_ConstraintType TYPE(ConstraintPtr theConstraint);
+
+ /// \brief Returns the type of constraint
+ virtual SketchSolver_ConstraintType getType() const
+ { return myType; }
+
+ /// \brief Returns list of attributes of constraint
+ const std::list<EntityWrapperPtr>& attributes() const
+ { return myAttributes; }
+
+ /// \brief Verify the feature or any its attribute is used by constraint
+ virtual bool isUsed(FeaturePtr theFeature) const;
+ /// \brief Verify the attribute is used by constraint
+ virtual bool isUsed(AttributePtr theAttribute) const;
+
+ /// \brief Notify constraint, that coincidence appears or removed
+ virtual void notifyCoincidenceChanged(EntityWrapperPtr theCoincAttr1,
+ EntityWrapperPtr theCoincAttr2) { /* implement in derived class */ }
+
+ /// \brief Shows error message
+ const std::string& error() const
+ { return myErrorMsg; }
+
+protected:
+ /// \brief Converts SketchPlugin constraint to a list of solver's constraints
+ virtual void process();
+
+ /// \brief Generate list of attributes of constraint in order useful for constraints
+ /// \param[out] theValue numerical characteristic of constraint (e.g. distance)
+ /// \param[out] theAttributes list of attributes to be filled
+ virtual void getAttributes(double& theValue, std::vector<EntityWrapperPtr>& theAttributes);
+
+ /// \brief This method is used in derived objects to check consistency of constraint.
+ /// E.g. the distance between line and point may be signed.
+ virtual void adjustConstraint()
+ {}
+
+ /// \brief Removes last error
+ void cleanErrorMsg()
+ { myErrorMsg.clear(); }
+
+protected:
+ GroupID myGroupID; ///< identifier of the group, the constraint belongs to
+ EntityID mySketchID; ///< identifier of the sketch, the constraint belongs to
+ ConstraintPtr myBaseConstraint; ///< base SketchPlugin constraint
+
+ /// storage, which contains all information about entities and constraints
+ StoragePtr myStorage;
+ SketchSolver_ConstraintType myType; ///< type of constraint
+ std::list<EntityWrapperPtr> myAttributes; ///< attributes of constraint
+
+ std::string myErrorMsg; ///< error message