+ bool isPlaneSet() const
+ {
+ std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
+ data()->attribute(NORM_ID()));
+
+ return aNormal && !(aNormal->x() == 0 && aNormal->y() == 0 && aNormal->z() == 0);
+ }
+
+
+ /// removes also all sub-sketch elements
+ SKETCHPLUGIN_EXPORT virtual void erase();
+
+ /// appends a feature to the sketch sub-elements container
+ SKETCHPLUGIN_EXPORT virtual std::shared_ptr<ModelAPI_Feature> addFeature(std::string theID);
+
+ /// Just to synchronise the container of sub-features
+ virtual void removeFeature(std::shared_ptr<ModelAPI_Feature> theFeature);
+
+ /// Returns the number of sub-elements
+ SKETCHPLUGIN_EXPORT virtual int numberOfSubs(bool forTree = false) const;
+
+ /// Returns the sub-feature by zero-base index
+ SKETCHPLUGIN_EXPORT virtual std::shared_ptr<ModelAPI_Feature>
+ subFeature(const int theIndex, bool forTree = false);
+
+ /// Returns the sub-feature unique identifier in this composite feature by index
+ SKETCHPLUGIN_EXPORT virtual int subFeatureId(const int theIndex) const;
+
+ /// Returns true if feature or reuslt belong to this composite feature as subs
+ SKETCHPLUGIN_EXPORT virtual bool isSub(ObjectPtr theObject) const;
+
+ /// Construction result is allways recomuted on the fly
+ SKETCHPLUGIN_EXPORT virtual bool isPersistentResult() {return false;}
+
+ SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
+
+ /// \brief Create a result for the point in the attribute if the attribute is initialized
+ /// \param theAttributeID an attribute string
+ /// \param theIndex an index of the result
+ static void createPoint2DResult(ModelAPI_Feature* theFeature,
+ SketchPlugin_Sketch* theSketch,
+ const std::string& theAttributeID, const int theIndex);
+
+ /// Add new feature and fill the data of the feature by the data of the parameter feature.
+ /// The name of the created feature stays unique.
+ /// \param theFeature a source feature
+ /// \return a created feature
+ static FeaturePtr addUniqueNamedCopiedFeature(FeaturePtr aFeature,
+ SketchPlugin_Sketch* theSketch);
+
+ /// Creates a plane of the sketch.
+ /// \param theSketch a sketch intance
+ static std::shared_ptr<GeomAPI_Ax3> plane(SketchPlugin_Sketch* theSketch);
+
+ /// Customize presentation of the feature
+ virtual bool customisePresentation(ResultPtr theResult, AISObjectPtr thePrs,
+ std::shared_ptr<GeomAPI_ICustomPrs> theDefaultPrs)
+ {
+ bool isCustomized = false;
+ // apply the color of the result to the presentation
+ if (theDefaultPrs.get())
+ isCustomized = theDefaultPrs->customisePresentation(theResult, thePrs, theDefaultPrs);
+ // set the sketch presentation bold
+ isCustomized = thePrs->setWidth(2) || isCustomized;
+
+ return isCustomized;
+ }
+