+ /// \param theSelected the list of selected presentations
+ /// \param theHighlighted the list of highlighted presentations
+ static ObjectPtr nearestFeature(QPoint thePoint, Handle_V3d_View theView, FeaturePtr theSketch,
+ const QList<ModuleBase_ViewerPrs>& theSelected,
+ const QList<ModuleBase_ViewerPrs>& theHighlighted);
+
+ /// Returns pointer to the root document.
+ static boost::shared_ptr<ModelAPI_Document> document();
+
+
+ /// Returns a point attribute of the feature by the coordinates if it is
+ /// \param theFeature the feature
+ /// \param theX the horizontal coordinate
+ /// \param theY the vertical coordinate
+ static boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(FeaturePtr theFeature,
+ double theX, double theY);
+
+ /// \brief Save the double to the feature. If the attribute is double, it is filled.
+ /// \param theFeature the feature
+ /// \param theValue the horizontal coordinate
+ /// \param theAttribute the feature attribute
+ static void setFeatureValue(FeaturePtr theFeature, double theX, const std::string& theAttribute);
+
+ /// \brief Returns the feature double value if it is.
+ /// \param theFeature the feature
+ /// \param theAttribute the feature attribute
+ /// \param isValid an output parameter whether the value is valid
+ /// \returns the feature value
+ static double featureValue(FeaturePtr theFeature, const std::string& theAttribute, bool& isValid);
+
+ /// Find a feature in the attribute of the given feature. If the kind is not empty,
+ /// the return feature should be this type. Otherwise it is null
+ /// \param theFeature a source feature
+ /// \param theAttribute a name of the requried attribute attribute
+ /// \param theKind an output feature kind
+ /// \return the feature
+ static FeaturePtr feature(FeaturePtr theFeature, const std::string& theAttribute,
+ const std::string& theKind);
+
+ /// Creates a constraint on two points
+ /// \param thePoint1 the first point
+ /// \param thePoint1 the second point
+ static void createConstraint(CompositeFeaturePtr theSketch,
+ boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
+ boost::shared_ptr<GeomDataAPI_Point2D> thePoint2);
+
+ /// Creates constrains of the current
+ /// \param theSketch a sketch feature
+ /// \param theFeature a source feature
+ /// \param theAttribute a name of the requried attribute attribute
+ /// \param theClickedX the horizontal coordnate of the point
+ /// \param theClickedY the vertical coordnate of the point
+ static void setConstraints(CompositeFeaturePtr theSketch, FeaturePtr theFeature,
+ const std::string& theAttribute, double theClickedX,
+ double theClickedY);
+
+ /// Create a sketch plane instance
+ /// \param theSketch a sketch feature
+ /// \return API object of geom plane
+ static boost::shared_ptr<GeomAPI_Pln> sketchPlane(CompositeFeaturePtr theSketch);
+
+ /// Create a point 3D on a basis of point 2D and sketch feature
+ /// \param thePoint2D a point on a sketch
+ /// \param theSketch a sketch feature
+ /// \return API object of point 3D
+ static boost::shared_ptr<GeomAPI_Pnt> point3D(boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
+ CompositeFeaturePtr theSketch);
+ /// Check whether there is a constraint with the feature kind given
+ /// \param theKind a feature kind
+ /// \return the boolean value
+ static bool isConstraintFeature(const std::string& theKind);
+
+ /// Creates a line (arc or circle) by given edge
+ /// Created line will have fixed constraint
+ /// \param theEdge - an edge
+ /// \return - result of created feature
+ static ResultPtr createFixedObjectByEdge(const ModuleBase_ViewerPrs& thePrs, CompositeFeaturePtr theSketch);
+
+ /// Checks whether the list of selected presentations contains the given one
+ /// \param theSelected a list of presentations
+ /// \param thePrs a presentation to be found
+ /// \return - result of check, true if the list contains the prs
+ static bool isContainPresentation(const QList<ModuleBase_ViewerPrs>& theSelected,
+ const ModuleBase_ViewerPrs& thePrs);
+
+ /// Returns Result object if the given skietch contains external edge equal to the given
+ /// \param theSketch - the sketch feature
+ /// \param theEdge - the edge
+ /// \return result object with external edge if it is found
+ static ResultPtr findExternalEdge(CompositeFeaturePtr theSketch, boost::shared_ptr<GeomAPI_Edge> theEdge);
+
+ /// Returns whether the selected presentation has a shape with the vertex type
+ /// \param thePrs a selected presentation
+ /// \param theSketch the sketch feature
+ /// \param theView a 3D view
+ /// \param theX the output horizontal coordinate of the point
+ /// \param theY the output vertical coordinate of the point
+ static bool hasVertexShape(const ModuleBase_ViewerPrs& thePrs, FeaturePtr theSketch,
+ Handle_V3d_View theView, double& theX, double& theY);
+protected:
+ /// Returns an object that is under the mouse point. Firstly it checks the highlighting,
+ /// if it exists, the first object is returned. Secondly, there is an iteration on
+ /// the selected list to find the point. Thirdly, if the object is not found under the
+ /// the point, the first selected object is returned.
+ /// \param thePoint a screen point
+ /// \param theView a 3D view
+ /// \param theSketch the sketch feature
+ /// \param thePresentations the list of presentations
+ static ObjectPtr nearestFeature(QPoint thePoint, Handle_V3d_View theView, FeaturePtr theSketch,
+ const QList<ModuleBase_ViewerPrs>& thePresentations);
+