src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_AttributeSelection.cpp
   4 // Created:     2 Oct 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include "Model_AttributeSelection.h"
   8 #include "Model_Application.h"
   9 #include "Model_Events.h"
  10 #include "Model_Data.h"
  11 #include "Model_Document.h"
  12 #include "Model_SelectionNaming.h"
  13 #include <ModelAPI_Feature.h>
  14 #include <ModelAPI_ResultBody.h>
  15 #include <ModelAPI_ResultConstruction.h>
  16 #include <ModelAPI_ResultPart.h>
  17 #include <ModelAPI_CompositeFeature.h>
  18 #include <ModelAPI_Tools.h>
  19 #include <GeomAPI_Shape.h>
  20 #include <GeomAPI_PlanarEdges.h>
  21 #include <Events_InfoMessage.h>
  22
  23 #include <TNaming_Selector.hxx>
  24 #include <TNaming_NamedShape.hxx>
  25 #include <TNaming_Tool.hxx>
  26 #include <TNaming_Builder.hxx>
  27 #include <TNaming_Localizer.hxx>
  28 #include <TopoDS_Shape.hxx>
  29 #include <TopoDS_Compound.hxx>
  30 #include <TDataStd_IntPackedMap.hxx>
  31 #include <TDataStd_Integer.hxx>
  32 #include <TDataStd_UAttribute.hxx>
  33 #include <TDataStd_Name.hxx>
  34 #include <TopTools_MapOfShape.hxx>
  35 #include <TopTools_IndexedMapOfShape.hxx>
  36 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  37 #include <TopTools_ListOfShape.hxx>
  38 #include <NCollection_DataMap.hxx>
  39 #include <TopExp_Explorer.hxx>
  40 #include <TDF_LabelMap.hxx>
  41 #include <BRep_Tool.hxx>
  42 #include <BRep_Builder.hxx>
  43 #include <TopoDS_Edge.hxx>
  44 #include <TopoDS.hxx>
  45 #include <TopExp.hxx>
  46 #include <TColStd_MapOfTransient.hxx>
  47 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  48 #include <TopTools_ListIteratorOfListOfShape.hxx>
  49 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  50 #include <gp_Pnt.hxx>
  51 #include <Precision.hxx>
  52 #include <TDF_ChildIterator.hxx>
  53 #include <TDF_ChildIDIterator.hxx>
  54 #include <TDataStd_Name.hxx>
  55 #include <TopAbs_ShapeEnum.hxx>
  56 #include <TopoDS_Iterator.hxx>
  57 #include <TNaming_Iterator.hxx>
  58 #include <BRep_Builder.hxx>
  59 using namespace std;
  60 //#define DEB_NAMING 1
  61 #ifdef DEB_NAMING
  62 #include <BRepTools.hxx>
  63 #endif
  64 /// added to the index in the packed map to signalize that the vertex of edge is selected
  65 /// (multiplied by the index of the edge)
  66 static const int kSTART_VERTEX_DELTA = 1000000;
  67 // identifier that there is simple reference: selection equals to context
  68 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  69 // simple reference in the construction
  70 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  71 // reference to Part sub-object
  72 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  73 // selection is invalid after recomputation
  74 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  75
  76 // on this label is stored:
  77 // TNaming_NamedShape - selected shape
  78 // TNaming_Naming - topological selection information (for the body)
  79 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  80 // TDataStd_Integer - type of the selected shape (for construction)
  81 // TDF_Reference - from ReferenceAttribute, the context
  82 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  83   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
  84 {
  85   if (theTemporarily) { // just keep the stored without DF update
  86     myTmpContext = theContext;
  87     myTmpSubShape = theSubShape;
  88     owner()->data()->sendAttributeUpdated(this);
  89     return;
  90   } else {
  91     myTmpContext.reset();
  92     myTmpSubShape.reset();
  93   }
  94
  95   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  96   bool isOldContext = theContext == myRef.value();
  97   bool isOldShape = isOldContext &&
  98     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  99   if (isOldShape) return; // shape is the same, so context is also unchanged
 100   // update the referenced object if needed
 101   if (!isOldContext) {
 102       myRef.setValue(theContext);
 103   }
 104
 105   // do noth use naming if selected shape is result shape itself, but not sub-shape
 106   TDF_Label aSelLab = selectionLabel();
 107   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 108   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
 109   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 110
 111   bool isDegeneratedEdge = false;
 112   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 113   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 114     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 115     if (aSubShape.ShapeType() == TopAbs_EDGE)
 116       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 117   }
 118   if (!theContext.get() || isDegeneratedEdge) {
 119     // to keep the reference attribute label
 120     TDF_Label aRefLab = myRef.myRef->Label();
 121     aSelLab.ForgetAllAttributes(true);
 122     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 123     return;
 124   }
 125   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 126     // do not select the whole shape for body:it is already must be in the data framework
 127     // equal and null selected objects mean the same: object is equal to context,
 128     if (theContext->shape().get() &&
 129         (theContext->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 130       aSelLab.ForgetAllAttributes(true);
 131       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 132     } else {
 133       selectBody(theContext, theSubShape);
 134     }
 135   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 136     if (!theSubShape.get()) {
 137       // to sub, so the whole result is selected
 138       aSelLab.ForgetAllAttributes(true);
 139       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 140       ResultConstructionPtr aConstruction =
 141         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 142       if (aConstruction->isInfinite()) {
 143         // For correct naming selection, put the shape into the naming structure.
 144         // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 145         TNaming_Builder aBuilder(aSelLab);
 146         aBuilder.Generated(theContext->shape()->impl<TopoDS_Shape>());
 147         std::shared_ptr<Model_Document> aMyDoc =
 148           std::dynamic_pointer_cast<Model_Document>(owner()->document());
 149         std::string aName = theContext->data()->name();
 150         aMyDoc->addNamingName(aSelLab, aName);
 151         TDataStd_Name::Set(aSelLab, aName.c_str());
 152       } else {  // for sketch the naming is needed in DS
 153         BRep_Builder aCompoundBuilder;
 154         TopoDS_Compound aComp;
 155         aCompoundBuilder.MakeCompound(aComp);
 156         for(int a = 0; a < aConstruction->facesNum(); a++) {
 157           TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 158           aCompoundBuilder.Add(aComp, aFace);
 159         }
 160         std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 161         aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 162         selectConstruction(theContext, aShape);
 163       }
 164     } else {
 165       selectConstruction(theContext, theSubShape);
 166     }
 167   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 168     aSelLab.ForgetAllAttributes(true);
 169     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 170     selectPart(theContext, theSubShape);
 171   }
 172   //the attribute initialized state should be changed by sendAttributeUpdated only
 173   //myIsInitialized = true;
 174
 175   owner()->data()->sendAttributeUpdated(this);
 176
 177   std::string aSelName = namingName();
 178   if(!aSelName.empty())
 179     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 180 }
 181
 182 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 183 {
 184   GeomShapePtr aResult;
 185   if (myTmpContext.get() || myTmpSubShape.get()) {
 186     ResultConstructionPtr aResulConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 187     if(aResulConstruction.get()) {
 188       // it is just reference to construction.
 189       return myTmpSubShape;
 190     }
 191     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 192   }
 193
 194   TDF_Label aSelLab = selectionLabel();
 195   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 196     return aResult;
 197
 198   if (myRef.isInitialized()) {
 199     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 200       ResultPtr aContext = context();
 201       if (!aContext.get())
 202         return aResult; // empty result
 203       return aContext->shape();
 204     }
 205     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 206         return aResult; // empty result
 207     }
 208     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 209       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 210       if (!aPart.get() || !aPart->isActivated())
 211         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 212       Handle(TDataStd_Integer) anIndex;
 213       if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 214         if (anIndex->Get()) { // special selection attribute was created, use it
 215           return aPart->selectionValue(anIndex->Get());
 216         } else { // face with name is already in the data model, so try to take it by name
 217           Handle(TDataStd_Name) aName;
 218           if (selectionLabel().FindAttribute(TDataStd_Name::GetID(), aName)) {
 219             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 220             std::size_t aPartEnd = aSubShapeName.find('/');
 221             if (aPartEnd != string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 222               string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 223               int anIndex;
 224               std::string aType; // to reuse already existing selection the type is not needed
 225               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 226             }
 227           }
 228         }
 229       }
 230     }
 231
 232     Handle(TNaming_NamedShape) aSelection;
 233     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 234       TopoDS_Shape aSelShape = aSelection->Get();
 235       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 236       aResult->setImpl(new TopoDS_Shape(aSelShape));
 237     } else { // for simple construction element: just shape of this construction element
 238       ResultConstructionPtr aConstr =
 239         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 240       if (aConstr) {
 241         return aConstr->shape();
 242       }
 243     }
 244   }
 245   return aResult;
 246 }
 247
 248 bool Model_AttributeSelection::isInvalid()
 249 {
 250   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 251 }
 252
 253 bool Model_AttributeSelection::isInitialized()
 254 {
 255   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 256     std::shared_ptr<GeomAPI_Shape> aResult;
 257     if (myRef.isInitialized()) {
 258       TDF_Label aSelLab = selectionLabel();
 259       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 260         ResultPtr aContext = context();
 261         return aContext.get() != NULL;
 262       }
 263       if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 264           return true;
 265       }
 266
 267       Handle(TNaming_NamedShape) aSelection;
 268       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 269         return !aSelection->Get().IsNull();
 270       } else { // for simple construction element: just shape of this construction element
 271         ResultConstructionPtr aConstr =
 272           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 273         if (aConstr.get()) {
 274           return aConstr->shape().get() != NULL;
 275         }
 276       }
 277     }
 278   }
 279   return false;
 280 }
 281
 282 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 283   : myRef(theLabel)
 284 {
 285   myIsInitialized = myRef.isInitialized();
 286 }
 287
 288 void Model_AttributeSelection::setID(const std::string theID)
 289 {
 290   myRef.setID(theID);
 291   ModelAPI_AttributeSelection::setID(theID);
 292 }
 293
 294 ResultPtr Model_AttributeSelection::context() {
 295   if (myTmpContext.get() || myTmpSubShape.get()) {
 296     return myTmpContext;
 297   }
 298
 299   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 300   // for parts there could be same-data result, so take the last enabled
 301   if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group()) {
 302     int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 303     for(int a = aSize - 1; a >= 0; a--) {
 304       ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 305       if (aPart.get() && aPart->data() == aResult->data()) {
 306         ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 307         FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 308         // check that this result is not this-feature result (it is forbidden t oselect itself)
 309         if (anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 310           return aPartResult;
 311         }
 312       }
 313     }
 314   }
 315   return aResult;
 316 }
 317
 318
 319 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 320 {
 321   ModelAPI_AttributeSelection::setObject(theObject);
 322   myRef.setObject(theObject);
 323 }
 324
 325 TDF_LabelMap& Model_AttributeSelection::scope()
 326 {
 327   if (myScope.IsEmpty()) { // create a new scope if not yet done
 328     // gets all features with named shapes that are before this feature label (before in history)
 329     DocumentPtr aMyDoc = owner()->document();
 330     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 331     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 332     bool aMePassed = false;
 333     CompositeFeaturePtr aComposite =
 334       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 335     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 336     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 337     if (aFeature.get()) {
 338       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 339       if (aCompositeOwner.get()) {
 340          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 341       }
 342     }
 343     // for group Scope is not limitet: this is always up to date objects
 344     bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 345     for(; aFIter != allFeatures.end(); aFIter++) {
 346       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 347         aMePassed = true;
 348         continue;
 349       }
 350       if (isGroup) aMePassed = false;
 351       bool isInScope = !aMePassed;
 352       if (!isInScope && aComposite.get()) { // try to add sub-elements of composite if this is composite
 353         if (aComposite->isSub(*aFIter))
 354           isInScope = true;
 355       }
 356       // remove the composite-owner of this feature (sketch in extrusion-cut)
 357       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 358         isInScope = false;
 359
 360       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 361         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 362           (*aFIter)->data())->label().Father();
 363         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), 1);
 364         for(; aNSIter.More(); aNSIter.Next()) {
 365           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 366           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 367             myScope.Add(aNS->Label());
 368           }
 369         }
 370       }
 371     }
 372   }
 373   return myScope;
 374 }
 375
 376 /// produces theEdge orientation relatively to theContext face
 377 int edgeOrientation(const TopoDS_Shape& theContext, TopoDS_Edge& theEdge)
 378 {
 379   if (theContext.ShapeType() != TopAbs_FACE)
 380     return 0;
 381   TopoDS_Face aContext = TopoDS::Face(theContext);
 382   if (theEdge.Orientation() == TopAbs_FORWARD)
 383     return 1;
 384   if (theEdge.Orientation() == TopAbs_REVERSED)
 385     return -1;
 386   return 0; // unknown
 387 }
 388
 389 /// Sets the invalid flag if flag is false, or removes it if "true"
 390 /// Returns theFlag
 391 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 392   if (theFlag) {
 393     theLab.ForgetAttribute(kINVALID_SELECTION);
 394   } else {
 395     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 396   }
 397   return theFlag;
 398 }
 399
 400 bool Model_AttributeSelection::update()
 401 {
 402   TDF_Label aSelLab = selectionLabel();
 403   ResultPtr aContext = context();
 404   if (!aContext.get())
 405     return setInvalidIfFalse(aSelLab, false);
 406   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 407     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 408   }
 409   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 410     // if there is a sketch, the sketch-naming must be updated
 411     ResultConstructionPtr aConstruction =
 412       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 413     if (!aConstruction->isInfinite()) {
 414       BRep_Builder aCompoundBuilder;
 415       TopoDS_Compound aComp;
 416       aCompoundBuilder.MakeCompound(aComp);
 417       for(int a = 0; a < aConstruction->facesNum(); a++) {
 418         TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 419         aCompoundBuilder.Add(aComp, aFace);
 420       }
 421       std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 422       aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 423       selectConstruction(aContext, aShape);
 424     } else {
 425       // For correct naming selection, put the shape into the naming structure.
 426       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 427       TNaming_Builder aBuilder(aSelLab);
 428       aBuilder.Generated(aContext->shape()->impl<TopoDS_Shape>());
 429       std::shared_ptr<Model_Document> aMyDoc =
 430         std::dynamic_pointer_cast<Model_Document>(owner()->document());
 431       std::string aName = aContext->data()->name();
 432       aMyDoc->addNamingName(aSelLab, aName);
 433       TDataStd_Name::Set(aSelLab, aName.c_str());
 434     }
 435     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 436   }
 437
 438   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 439     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 440     bool aResult = selectPart(aContext, aNoSelection, true);
 441     aResult = setInvalidIfFalse(aSelLab, aResult);
 442     if (aResult) {
 443       owner()->data()->sendAttributeUpdated(this);
 444     }
 445     return aResult;
 446   }
 447
 448   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 449     // body: just a named shape, use selection mechanism from OCCT
 450     TNaming_Selector aSelector(aSelLab);
 451     bool aResult = aSelector.Solve(scope()) == Standard_True;
 452     aResult = setInvalidIfFalse(aSelLab, aResult); // must be before sending of updated attribute (1556)
 453     owner()->data()->sendAttributeUpdated(this);
 454     return aResult;
 455   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 456     // construction: identification by the results indexes, recompute faces and
 457     // take the face that more close by the indexes
 458     ResultConstructionPtr aConstructionContext =
 459       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 460     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 461     // sketch sub-element
 462     if (aConstructionContext &&
 463         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 464     {
 465       TDF_Label aLab = myRef.myRef->Label();
 466       // getting a type of selected shape
 467       Handle(TDataStd_Integer) aTypeAttr;
 468       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 469         return setInvalidIfFalse(aSelLab, false);
 470       }
 471       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 472       // selected indexes will be needed in each "if"
 473       Handle(TDataStd_IntPackedMap) aSubIds;
 474       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 475       bool aNoIndexes =
 476         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 477       // for now working only with composite features
 478       CompositeFeaturePtr aComposite =
 479         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 480       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 481         return setInvalidIfFalse(aSelLab, false);
 482       }
 483
 484       if (aShapeType == TopAbs_FACE || aShapeType == TopAbs_WIRE) { // compound is for the whole sketch selection
 485         // If this is a wire with plane defined then it is a sketch-like object
 486         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 487           return setInvalidIfFalse(aSelLab, false);
 488         // if there is no edges indexes, any face can be used: take the first
 489         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 490         if (aNoIndexes) {
 491           aNewSelected = aConstructionContext->face(0);
 492         } else { // searching for most looks-like initial face by the indexes
 493           // prepare edges of the current result for the fast searching
 494           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
 495           const int aSubNum = aComposite->numberOfSubs();
 496           for(int a = 0; a < aSubNum; a++) {
 497             int aSubID = aComposite->subFeatureId(a);
 498             if (aSubIds->Contains(aSubID)) {
 499               FeaturePtr aSub = aComposite->subFeature(a);
 500               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 501               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 502               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 503                 ResultConstructionPtr aConstr =
 504                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 505                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 506                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 507                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 508                   if (!anEdge.IsNull()) {
 509                     Standard_Real aFirst, aLast;
 510                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 511                     // searching for orientation information
 512                     int anOrient = 0;
 513                     Handle(TDataStd_Integer) anInt;
 514                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
 515                       anOrient = anInt->Get();
 516                     }
 517                     allCurves.Bind(aCurve, anOrient);
 518                   }
 519                 }
 520               }
 521             }
 522           }
 523           int aBestFound = 0; // best number of found edges (not percentage: issue 1019)
 524           int aBestOrient = 0; // for the equal "BestFound" additional parameter is orientation
 525           for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
 526             int aFound = 0, aNotFound = 0, aSameOrientation = 0;
 527             TopoDS_Face aFace =
 528               TopoDS::Face(aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>());
 529             TopExp_Explorer anEdgesExp(aFace, TopAbs_EDGE);
 530             TColStd_MapOfTransient alreadyProcessed; // to avoid counting edges with same curved (841)
 531             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 532               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 533               if (!anEdge.IsNull()) {
 534                 Standard_Real aFirst, aLast;
 535                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 536                 if (alreadyProcessed.Contains(aCurve))
 537                   continue;
 538                 alreadyProcessed.Add(aCurve);
 539                 if (allCurves.IsBound(aCurve)) {
 540                   aFound++;
 541                   int anOrient = allCurves.Find(aCurve);
 542                   if (anOrient != 0) {  // extra comparision score is orientation
 543                     if (edgeOrientation(aFace, anEdge) == anOrient)
 544                       aSameOrientation++;
 545                   }
 546                 } else {
 547                   aNotFound++;
 548                 }
 549               }
 550             }
 551             if (aFound + aNotFound != 0) {
 552               if (aFound > aBestFound ||
 553                   (aFound == aBestFound && aSameOrientation > aBestOrient)) {
 554                 aBestFound = aFound;
 555                 aBestOrient = aSameOrientation;
 556                 aNewSelected = aConstructionContext->face(aFaceIndex);
 557               }
 558             }
 559           }
 560         }
 561         if (aNewSelected) { // store this new selection
 562           if (aShapeType == TopAbs_WIRE) { // just get a wire from face to have wire
 563             TopExp_Explorer aWireExp(aNewSelected->impl<TopoDS_Shape>(), TopAbs_WIRE);
 564             if (aWireExp.More()) {
 565               aNewSelected.reset(new GeomAPI_Shape);
 566               aNewSelected->setImpl<TopoDS_Shape>(new TopoDS_Shape(aWireExp.Current()));
 567             }
 568           }
 569           selectConstruction(aContext, aNewSelected);
 570           setInvalidIfFalse(aSelLab, true);
 571           owner()->data()->sendAttributeUpdated(this);
 572           return true;
 573         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
 574           TNaming_Builder anEmptyBuilder(selectionLabel());
 575           return setInvalidIfFalse(aSelLab, false);
 576         }
 577       } else if (aShapeType == TopAbs_EDGE) {
 578         // just reselect the edge by the id
 579         const int aSubNum = aComposite->numberOfSubs();
 580         for(int a = 0; a < aSubNum; a++) {
 581           // if aSubIds take any, the first appropriate
 582           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 583             // found the appropriate feature
 584             FeaturePtr aFeature = aComposite->subFeature(a);
 585             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 586               aFeature->results().cbegin();
 587             for(;aResIter != aFeature->results().cend(); aResIter++) {
 588               ResultConstructionPtr aRes =
 589                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 590               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 591                 selectConstruction(aContext, aRes->shape());
 592                 setInvalidIfFalse(aSelLab, true);
 593                 owner()->data()->sendAttributeUpdated(this);
 594                 return true;
 595               }
 596             }
 597           }
 598         }
 599       } else if (aShapeType == TopAbs_VERTEX) {
 600         // just reselect the vertex by the id of edge
 601         const int aSubNum = aComposite->numberOfSubs();
 602         for(int a = 0; a < aSubNum; a++) {
 603           // if aSubIds take any, the first appropriate
 604           int aFeatureID = aComposite->subFeatureId(a);
 605           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 606             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 607             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 608               // searching for deltas
 609               int aVertexNum = 0;
 610               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 611               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 612               // found the feature with appropriate edge
 613               FeaturePtr aFeature = aComposite->subFeature(a);
 614               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 615                 aFeature->results().cbegin();
 616               for(;aResIter != aFeature->results().cend(); aResIter++) {
 617                 ResultConstructionPtr aRes =
 618                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 619                 if (aRes && aRes->shape()) {
 620                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 621                     selectConstruction(aContext, aRes->shape());
 622                     setInvalidIfFalse(aSelLab, true);
 623                     owner()->data()->sendAttributeUpdated(this);
 624                     return true;
 625                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 626                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 627                     int aVIndex = 1;
 628                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 629                       if (aVIndex == aVertexNum) { // found!
 630                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 631                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 632                         selectConstruction(aContext, aVertex);
 633                         setInvalidIfFalse(aSelLab, true);
 634                         owner()->data()->sendAttributeUpdated(this);
 635                         return true;
 636                       }
 637                       aVIndex++;
 638                     }
 639                   }
 640                 }
 641               }
 642           }
 643         }
 644       }
 645     } else { // simple construction element: the selected is that needed
 646       selectConstruction(aContext, aContext->shape());
 647       setInvalidIfFalse(aSelLab, true);
 648       owner()->data()->sendAttributeUpdated(this);
 649       return true;
 650     }
 651   }
 652   return setInvalidIfFalse(aSelLab, false); // unknown case
 653 }
 654
 655
 656 void Model_AttributeSelection::selectBody(
 657   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 658 {
 659   // perform the selection
 660   TNaming_Selector aSel(selectionLabel());
 661   TopoDS_Shape aContext;
 662
 663   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 664   if (aBody) {
 665     aContext = aBody->shape()->impl<TopoDS_Shape>();
 666   } else {
 667     ResultPtr aResult =
 668       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 669     if (aResult) {
 670       aContext = aResult->shape()->impl<TopoDS_Shape>();
 671     } else {
 672       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 673       return;
 674     }
 675   }
 676   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 677   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 678   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 679   if (aFeatureOwner.get())
 680     aFeatureOwner->eraseResults();
 681   if (!aContext.IsNull()) {
 682     aSel.Select(aNewShape, aContext);
 683   }
 684 }
 685
 686 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 687 /// if theID is zero,
 688 /// theOrientation is additional information about the positioning of edge relatively to face
 689 ///    it is stored in the integer attribute of the edge sub-label:
 690 ///    -1 is out, 1 is in, 0 is not needed
 691 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 692   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 693   std::string theAdditionalName, std::map<int, int>& theOrientations,
 694   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
 695   const int theOrientation = 0)
 696 {
 697   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 698   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
 699     TDataStd_Integer::Set(aLab, theOrientation);
 700   }
 701   TNaming_Builder aBuilder(aLab);
 702   aBuilder.Generated(theShape);
 703   std::stringstream aName;
 704   aName<<theContextFeature->name()<<"/";
 705   if (!theAdditionalName.empty())
 706     aName<<theAdditionalName<<"/";
 707   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 708   else if (theShape.ShapeType() == TopAbs_WIRE) aName<<"Wire";
 709   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 710   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 711
 712   if (theRefs.IsNull()) {
 713     aName<<theID;
 714     if (theOrientation == 1)
 715       aName<<"f";
 716     else if (theOrientation == -1)
 717       aName<<"r";
 718   } else { // make a composite name from all sub-elements indexes: "1_2_3_4"
 719     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 720     for(; aRef.More(); aRef.Next()) {
 721       aName<<"-"<<aRef.Key();
 722       if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
 723         if (theOrientations[aRef.Key()] == 1)
 724           aName<<"f";
 725         else if (theOrientations[aRef.Key()] == -1)
 726           aName<<"r";
 727       }
 728     }
 729   }
 730
 731   theDoc->addNamingName(aLab, aName.str());
 732   TDataStd_Name::Set(aLab, aName.str().c_str());
 733 }
 734
 735 void Model_AttributeSelection::selectConstruction(
 736   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 737 {
 738   std::shared_ptr<Model_Document> aMyDoc =
 739     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 740   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 741   CompositeFeaturePtr aComposite =
 742     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 743   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 744   if (!aComposite || aComposite->numberOfSubs() == 0) {
 745     // saving of context is enough: result construction contains exactly the needed shape
 746     TNaming_Builder aBuilder(selectionLabel());
 747     aBuilder.Generated(aSubShape);
 748     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 749     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 750     return;
 751   }
 752   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 753   TDF_Label aLab = myRef.myRef->Label();
 754   // identify the results of sub-object of the composite by edges
 755   // save type of the selected shape in integer attribute
 756   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 757   TDataStd_Integer::Set(aLab, (int)aShapeType);
 758   gp_Pnt aVertexPos;
 759   TColStd_MapOfTransient allCurves;
 760   if (aShapeType == TopAbs_VERTEX) { // compare positions
 761     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 762   } else {
 763     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 764       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 765       Standard_Real aFirst, aLast;
 766       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 767       allCurves.Add(aCurve);
 768     }
 769   }
 770   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 771   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 772   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
 773   aRefs->Clear();
 774   const int aSubNum = aComposite->numberOfSubs();
 775   for(int a = 0; a < aSubNum; a++) {
 776     FeaturePtr aSub = aComposite->subFeature(a);
 777     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 778     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 779     // there may be many shapes (circle and center): register if at least one is in selection
 780     for(; aRes != aResults.cend(); aRes++) {
 781       ResultConstructionPtr aConstr =
 782         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 783       if (!aConstr->shape()) {
 784         continue;
 785       }
 786       if (aShapeType == TopAbs_VERTEX) {
 787         if (aConstr->shape()->isVertex()) { // compare vertices positions
 788           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 789           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 790           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 791             aRefs->Add(aComposite->subFeatureId(a));
 792           }
 793         } else { // get first or last vertex of the edge: last is stored with negative sign
 794           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 795           int aDelta = kSTART_VERTEX_DELTA;
 796           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 797             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 798             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 799               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 800               break;
 801             }
 802             aDelta += kSTART_VERTEX_DELTA;
 803           }
 804         }
 805       } else {
 806         if (aConstr->shape()->isEdge()) {
 807           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 808           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 809           if (!anEdge.IsNull()) {
 810             Standard_Real aFirst, aLast;
 811             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 812             if (allCurves.Contains(aCurve)) {
 813               int anID = aComposite->subFeatureId(a);
 814               aRefs->Add(anID);
 815               if (aShapeType != TopAbs_EDGE) { // face needs the sub-edges on sub-labels
 816                 // add edges to sub-label to support naming for edges selection
 817                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 818                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 819                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 820                   Standard_Real aFirst, aLast;
 821                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 822                   if (aFaceCurve == aCurve) {
 823                     int anOrient = edgeOrientation(aSubShape, anEdge);
 824                     anOrientations[anID] = anOrient;
 825                     registerSubShape(
 826                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
 827                       Handle(TDataStd_IntPackedMap)(), anOrient);
 828                   }
 829                 }
 830               } else { // put vertices of the selected edge to sub-labels
 831                 // add edges to sub-label to support naming for edges selection
 832                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 833                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 834                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 835                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 836
 837                   std::stringstream anAdditionalName;
 838                   registerSubShape(
 839                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations);
 840                 }
 841               }
 842             }
 843           }
 844         }
 845       }
 846     }
 847   }
 848   // store the selected as primitive
 849   TNaming_Builder aBuilder(selectionLabel());
 850   aBuilder.Generated(aSubShape);
 851     registerSubShape(
 852       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aRefs);
 853 }
 854
 855 bool Model_AttributeSelection::selectPart(
 856   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 857   const bool theUpdate)
 858 {
 859   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 860   if (!aPart.get() || !aPart->isActivated())
 861     return true; // postponed naming
 862   if (theUpdate) {
 863     Handle(TDataStd_Integer) anIndex;
 864     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
 865       if (anIndex->Get() > 0) {
 866         // update the selection by index
 867         return aPart->updateInPart(anIndex->Get());
 868       } else {
 869         return true; // nothing to do, referencing just by name
 870       }
 871     }
 872     return true; // nothing to do, referencing just by name
 873   }
 874   // store the shape (in case part is not loaded it should be useful
 875   TopoDS_Shape aShape;
 876   std::string aName = theContext->data()->name();
 877   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 878     aShape = theContext->shape()->impl<TopoDS_Shape>();
 879   } else {
 880     aShape = theSubShape->impl<TopoDS_Shape>();
 881     int anIndex;
 882     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 883     TDataStd_Integer::Set(selectionLabel(), anIndex);
 884   }
 885   TNaming_Builder aBuilder(selectionLabel());
 886   aBuilder.Select(aShape, aShape);
 887   // identify by name in the part
 888   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 889   return !aName.empty();
 890 }
 891
 892 TDF_Label Model_AttributeSelection::selectionLabel()
 893 {
 894   return myRef.myRef->Label().FindChild(1);
 895 }
 896
 897 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 898 {
 899   std::string aName("");
 900   if(!this->isInitialized())
 901     return !theDefaultName.empty() ? theDefaultName : aName;
 902   Handle(TDataStd_Name) anAtt;
 903   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 904     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 905     return aName;
 906   }
 907
 908   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 909   ResultPtr aCont = context();
 910
 911   Model_SelectionNaming aSelNaming(selectionLabel());
 912   return aSelNaming.namingName(aCont, aSubSh, theDefaultName);
 913 }
 914
 915 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 916 void Model_AttributeSelection::selectSubShape(
 917   const std::string& theType, const std::string& theSubShapeName)
 918 {
 919   if(theSubShapeName.empty() || theType.empty()) return;
 920
 921   // check this is Part-name: 2 delimiters in the name
 922   std::size_t aPartEnd = theSubShapeName.find('/');
 923   if (aPartEnd != string::npos && aPartEnd != theSubShapeName.rfind('/')) {
 924     std::string aPartName = theSubShapeName.substr(0, aPartEnd);
 925     ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 926     if (aFound.get()) { // found such part, so asking it for the name
 927       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 928       string aNameInPart = theSubShapeName.substr(aPartEnd + 1);
 929       int anIndex;
 930       std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, theType, anIndex);
 931       if (aSelected.get()) {
 932         setValue(aPart, aSelected);
 933         TDataStd_Integer::Set(selectionLabel(), anIndex);
 934         return;
 935       }
 936     }
 937   }
 938
 939   Model_SelectionNaming aSelNaming(selectionLabel());
 940   std::shared_ptr<Model_Document> aDoc =
 941     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 942   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 943   ResultPtr aCont;
 944   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 945     setValue(aCont, aShapeToBeSelected);
 946   }
 947 }
 948
 949 int Model_AttributeSelection::Id()
 950 {
 951   int anID = 0;
 952   std::shared_ptr<GeomAPI_Shape> aSelection = value();
 953   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
 954   // support for compsolids:
 955   if (context().get() && ModelAPI_Tools::compSolidOwner(context()).get())
 956     aContext = ModelAPI_Tools::compSolidOwner(context())->shape();
 957
 958
 959   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
 960   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
 961   // searching for the latest main shape
 962   if (aSelection && !aSelection->isNull() &&
 963     aContext   && !aContext->isNull())
 964   {
 965     std::shared_ptr<Model_Document> aDoc =
 966       std::dynamic_pointer_cast<Model_Document>(context()->document());
 967     if (aDoc.get()) {
 968       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
 969       if (!aNS.IsNull()) {
 970         aMainShape = TNaming_Tool::CurrentShape(aNS);
 971       }
 972     }
 973
 974     TopTools_IndexedMapOfShape aSubShapesMap;
 975     TopExp::MapShapes(aMainShape, aSubShapesMap);
 976     anID = aSubShapesMap.FindIndex(aSubShape);
 977   }
 978   return anID;
 979 }