+//********************************************************************
+GeomShapePtr PartSet_WidgetShapeSelector::getShape() const
+{
+ // an empty shape by default
+ GeomShapePtr aShape;
+
+ // 1. find an attribute value in attribute reference attribute value
+ DataPtr aData = myFeature->data();
+ AttributePtr aAttr = aData->attribute(attributeID());
+ AttributeRefAttrPtr aRefAttr =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
+ if (aRefAttr) {
+ if (!aRefAttr->isObject()) {
+ AttributePtr anAttribute = aRefAttr->attr();
+ if (anAttribute.get()) {
+ XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
+ XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
+
+ // 2. find visualized vertices of the attribute and if the attribute of the vertex is
+ // the same, return it
+ FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(anAttribute->owner());
+ // 2.1 get visualized results of the feature
+ const std::list<ResultPtr>& aResList = anAttributeFeature->results();
+ std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
+ for (; anIt != aLast; anIt++) {
+ AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
+ if (aAISObj.get() != NULL) {
+ Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
+ // 2.2 find selected owners of a visualizedd object
+ SelectMgr_IndexedMapOfOwner aSelectedOwners;
+ aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
+ for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
+ Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
+ if (!anOwner.IsNull()) {
+ Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
+ if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
+ const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
+ if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
+ // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
+ // attribute, returns the shape
+ AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
+ aBRepShape, sketch());
+ if (aPntAttr.get() != NULL && aPntAttr == anAttribute) {
+ aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
+ aShape->setImpl(new TopoDS_Shape(aBRepShape));
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ if (!aShape.get())
+ aShape = ModuleBase_WidgetShapeSelector::getShape();
+ return aShape;
+}
+