+
+#define FIX_BUG1 1
+std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape,
+ const TDF_Label& theLabel)
+{
+ std::string aName;
+ // check if the subShape is already in DF
+ Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
+ Handle(TDataStd_Name) anAttr;
+ if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document
+ if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
+ aName = TCollection_AsciiString(anAttr->Get()).ToCString();
+ if(!aName.empty()) {
+ const TDF_Label& aLabel = theDoc->findNamingName(aName);
+ if(!aLabel.IsEqual(aNS->Label())) {
+ //aName.erase(); //something is wrong, to be checked!!!
+ aName += "_SomethingWrong";
+ return aName;
+ }
+ const TopoDS_Shape& aShape = aNS->Get();
+ if(aShape.ShapeType() == TopAbs_COMPOUND) {
+ std::string aPostFix("_");
+ TopoDS_Iterator it(aShape);
+ for (int i = 1;it.More();it.Next(), i++) {
+ if(it.Value() == theShape) {
+ aPostFix += TCollection_AsciiString (i).ToCString();
+ aName += aPostFix;
+ break;
+ }
+ else continue;
+ }
+ }
+ }
+ }
+ }
+ return aName;
+}
+
+bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
+{
+// a trivial case: F1 & F2, aNumber = 1, i.e. intersection gives 1 edge.
+ TopoDS_Compound aCmp;
+ BRep_Builder BB;
+ BB.MakeCompound(aCmp);
+ TopTools_ListIteratorOfListOfShape it(theAncestors);
+ for(;it.More();it.Next()) {
+ BB.Add(aCmp, it.Value());
+ theSMap.Add(it.Value());
+ }
+ int aNumber(0);
+ TopTools_IndexedDataMapOfShapeListOfShape aMap2;
+ TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
+ for (int i = 1; i <= aMap2.Extent(); i++) {
+ const TopoDS_Shape& aKey = aMap2.FindKey(i);
+ const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
+ if(anAncestors.Extent() > 1) aNumber++;
+ }
+ if(aNumber > 1) return false;
+ return true;
+}
+std::string Model_AttributeSelection::namingName()//std::shared_ptr<GeomAPI_Shape> theSubShape,
+ // const ResultPtr& theContext)
+{
+ std::shared_ptr<GeomAPI_Shape> aSubSh = value();
+ ResultPtr aCont = context();
+ std::string aName;
+ if(!aSubSh.get() || aSubSh->isNull() || !aCont.get() || aCont->shape()->isNull())
+ return aName;
+ TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
+ TopoDS_Shape aContext = aCont->shape()->impl<TopoDS_Shape>();
+ std::shared_ptr<Model_Document> aDoc =
+ std::dynamic_pointer_cast<Model_Document>(aCont->document());
+
+ // check if the subShape is already in DF
+ aName = GetShapeName(aDoc, aSubShape, selectionLabel());
+ if(aName.empty() ) { // not in the document!
+ TopAbs_ShapeEnum aType = aSubShape.ShapeType();
+ switch (aType) {
+ case TopAbs_FACE:
+ // the Face should be in DF. If it is not a case, it is an error ==> to be dbugged
+ break;
+ case TopAbs_EDGE:
+ {
+ // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
+ // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
+ TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
+ TopTools_IndexedDataMapOfShapeListOfShape aMap;
+ TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
+ bool isTrivialCase(true);
+ for (int i = 1; i <= aMap.Extent(); i++) {
+ const TopoDS_Shape& aKey = aMap.FindKey(i);
+ if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
+
+ const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
+ // check that it is not a trivial case (F1 & F2: aNumber = 1)
+ isTrivialCase = isTrivial(anAncestors, aSMap);
+ break;
+ }
+
+ TopTools_ListOfShape aListOfNbs;
+ if(!isTrivialCase) { // find Neighbors
+ TNaming_Localizer aLocalizer;
+ TopTools_MapOfShape aMap3;
+ aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
+ //int n = aMap3.Extent();
+ TopTools_MapIteratorOfMapOfShape it(aMap3);
+ for(;it.More();it.Next()) {
+ const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
+ //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
+ const TopTools_ListOfShape& aList = aMap.FindFromKey(aNbShape);
+ TopTools_ListIteratorOfListOfShape it2(aList);
+ for(;it2.More();it2.Next()) {
+ if(aSMap.Contains(it2.Value())) continue; // skip this Face
+ aListOfNbs.Append(it2.Value());
+ }
+ }
+ } // else a trivial case
+
+ // build name of the sub-shape Edge
+ for(int i=1; i <= aSMap.Extent(); i++) {
+ const TopoDS_Shape& aFace = aSMap.FindKey(i);
+ std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
+ if(i == 1)
+ aName = aFaceName;
+ else
+ aName += "|" + aFaceName;
+ }
+ TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
+ for (;itl.More();itl.Next()) {
+ std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
+ aName += "|" + aFaceName;
+ }
+ }
+ break;
+
+ case TopAbs_VERTEX:
+ // name structure (Monifold Topology):
+ // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
+ // 2) F1 | F2 - intersection of 2 faces definses a vertex - applicable for case
+ // when 1 faces is cylindrical, conical, spherical or revolution and etc.
+ // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
+ // or compound of 2 open faces.
+ // 4) E1 | E2 - intesection of 2 edges defines a vertex - when we have a case of
+ // two independent edges (wire or compound)
+ // implemented 2 first cases
+ {
+ TopTools_IndexedDataMapOfShapeListOfShape aMap;
+ TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
+ const TopTools_ListOfShape& aList2 = aMap.FindFromKey(aSubShape);
+ TopTools_ListOfShape aList;
+ TopTools_MapOfShape aFMap;
+#ifdef FIX_BUG1
+ //int n = aList2.Extent(); //bug!
+ // fix is below
+ TopTools_ListIteratorOfListOfShape itl2(aList2);
+ for (int i = 1;itl2.More();itl2.Next(),i++) {
+ if(aFMap.Add(itl2.Value()))
+ aList.Append(itl2.Value());
+ }
+ //n = aList.Extent();
+#endif
+ TopTools_ListIteratorOfListOfShape itl(aList);
+ for (int i = 1;itl.More();itl.Next(),i++) {
+ const TopoDS_Shape& aFace = itl.Value();
+ std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
+ if(i == 1)
+ aName = aFaceName;
+ else
+ aName += "|" + aFaceName;
+ }
+ }
+ break;
+ }
+ // register name
+ // aDoc->addNamingName(selectionLabel(), aName);
+ // the selected sub-shape will not be shared and as result it will not require registration
+ }
+ return aName;
+}