- boost::shared_ptr<ModelAPI_Data> aData = data();
- boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr1 =
- boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
- boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr2 =
- boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
- if (!anAttr1 || !anAttr1->isFeature() ||
- !anAttr2 || !anAttr2->isFeature())
- return anAIS;
- boost::shared_ptr<SketchPlugin_Line> aLine1Feature =
- boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr1->feature());
- boost::shared_ptr<SketchPlugin_Line> aLine2Feature =
- boost::dynamic_pointer_cast<SketchPlugin_Line>(anAttr2->feature());
- if (!aLine1Feature || !aLine2Feature)
- return anAIS;
-
- boost::shared_ptr<GeomAPI_Shape> aLine1 = aLine1Feature->preview();
- boost::shared_ptr<GeomAPI_Shape> aLine2 = aLine2Feature->preview();
- Handle(Geom_Plane) aPlane = new Geom_Plane(sketch()->plane()->impl<gp_Pln>());
-
- boost::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
- boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
- boost::shared_ptr<GeomAPI_Pnt2d> aFOPnt2d = aFlyoutAttr->pnt();
- boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = sketch()->to3D(aFOPnt2d->x(), aFOPnt2d->y());
-
- if (anAIS.IsNull())
- {
- Handle(AIS_ParallelRelation) aParallel =
- new AIS_ParallelRelation(aLine1->impl<TopoDS_Shape>(), aLine2->impl<TopoDS_Shape>(), aPlane);
- aParallel->SetPosition(aFlyoutPnt->impl<gp_Pnt>());
- anAIS = aParallel;
- }
- else
- {
- Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
- if (!aParallel.IsNull())
- {
- aParallel->SetFirstShape(aLine1->impl<TopoDS_Shape>());
- aParallel->SetSecondShape(aLine2->impl<TopoDS_Shape>());
- aParallel->SetPlane(aPlane);
- aParallel->SetPosition(aFlyoutPnt->impl<gp_Pnt>());
- aParallel->Redisplay(Standard_True);
- }
- }