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 /// Sets the invalid flag if flag is false, or removes it if "true"
 377 /// Returns theFlag
 378 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 379   if (theFlag) {
 380     theLab.ForgetAttribute(kINVALID_SELECTION);
 381   } else {
 382     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 383   }
 384   return theFlag;
 385 }
 386
 387 bool Model_AttributeSelection::update()
 388 {
 389   TDF_Label aSelLab = selectionLabel();
 390   ResultPtr aContext = context();
 391   if (!aContext.get())
 392     return setInvalidIfFalse(aSelLab, false);
 393   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 394     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 395   }
 396   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 397     // if there is a sketch, the sketch-naming must be updated
 398     ResultConstructionPtr aConstruction =
 399       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 400     if (!aConstruction->isInfinite()) {
 401       BRep_Builder aCompoundBuilder;
 402       TopoDS_Compound aComp;
 403       aCompoundBuilder.MakeCompound(aComp);
 404       for(int a = 0; a < aConstruction->facesNum(); a++) {
 405         TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 406         aCompoundBuilder.Add(aComp, aFace);
 407       }
 408       std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 409       aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 410       selectConstruction(aContext, aShape);
 411     } else {
 412       // For correct naming selection, put the shape into the naming structure.
 413       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 414       TNaming_Builder aBuilder(aSelLab);
 415       aBuilder.Generated(aContext->shape()->impl<TopoDS_Shape>());
 416       std::shared_ptr<Model_Document> aMyDoc =
 417         std::dynamic_pointer_cast<Model_Document>(owner()->document());
 418       std::string aName = aContext->data()->name();
 419       aMyDoc->addNamingName(aSelLab, aName);
 420       TDataStd_Name::Set(aSelLab, aName.c_str());
 421     }
 422     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 423   }
 424
 425   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 426     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 427     bool aResult = selectPart(aContext, aNoSelection, true);
 428     aResult = setInvalidIfFalse(aSelLab, aResult);
 429     if (aResult) {
 430       owner()->data()->sendAttributeUpdated(this);
 431     }
 432     return aResult;
 433   }
 434
 435   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 436     // body: just a named shape, use selection mechanism from OCCT
 437     TNaming_Selector aSelector(aSelLab);
 438     bool aResult = aSelector.Solve(scope()) == Standard_True;
 439     aResult = setInvalidIfFalse(aSelLab, aResult); // must be before sending of updated attribute (1556)
 440     owner()->data()->sendAttributeUpdated(this);
 441     return aResult;
 442   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 443     // construction: identification by the results indexes, recompute faces and
 444     // take the face that more close by the indexes
 445     ResultConstructionPtr aConstructionContext =
 446       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 447     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 448     // sketch sub-element
 449     if (aConstructionContext &&
 450         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 451     {
 452       TDF_Label aLab = myRef.myRef->Label();
 453       // getting a type of selected shape
 454       Handle(TDataStd_Integer) aTypeAttr;
 455       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 456         return setInvalidIfFalse(aSelLab, false);
 457       }
 458       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 459       // selected indexes will be needed in each "if"
 460       Handle(TDataStd_IntPackedMap) aSubIds;
 461       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 462       bool aNoIndexes =
 463         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 464       // for now working only with composite features
 465       CompositeFeaturePtr aComposite =
 466         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 467       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 468         return setInvalidIfFalse(aSelLab, false);
 469       }
 470
 471       if (aShapeType == TopAbs_FACE || aShapeType == TopAbs_WIRE) { // compound is for the whole sketch selection
 472         // If this is a wire with plane defined then it is a sketch-like object
 473         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 474           return setInvalidIfFalse(aSelLab, false);
 475         // if there is no edges indexes, any face can be used: take the first
 476         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 477         if (aNoIndexes) {
 478           aNewSelected = aConstructionContext->face(0);
 479         } else { // searching for most looks-like initial face by the indexes
 480           // prepare edges of the current result for the fast searching
 481           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
 482           const int aSubNum = aComposite->numberOfSubs();
 483           for(int a = 0; a < aSubNum; a++) {
 484             int aSubID = aComposite->subFeatureId(a);
 485             if (aSubIds->Contains(aSubID)) {
 486               FeaturePtr aSub = aComposite->subFeature(a);
 487               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 488               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 489               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 490                 ResultConstructionPtr aConstr =
 491                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 492                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 493                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 494                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 495                   if (!anEdge.IsNull()) {
 496                     Standard_Real aFirst, aLast;
 497                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 498                     // searching for orientation information
 499                     int anOrient = 0;
 500                     Handle(TDataStd_Integer) anInt;
 501                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
 502                       anOrient = anInt->Get();
 503                     }
 504                     allCurves.Bind(aCurve, anOrient);
 505                   }
 506                 }
 507               }
 508             }
 509           }
 510           aNewSelected = Model_SelectionNaming::findAppropriateFace(aContext, allCurves);
 511         }
 512         if (aNewSelected) { // store this new selection
 513           if (aShapeType == TopAbs_WIRE) { // just get a wire from face to have wire
 514             TopExp_Explorer aWireExp(aNewSelected->impl<TopoDS_Shape>(), TopAbs_WIRE);
 515             if (aWireExp.More()) {
 516               aNewSelected.reset(new GeomAPI_Shape);
 517               aNewSelected->setImpl<TopoDS_Shape>(new TopoDS_Shape(aWireExp.Current()));
 518             }
 519           }
 520           selectConstruction(aContext, aNewSelected);
 521           setInvalidIfFalse(aSelLab, true);
 522           owner()->data()->sendAttributeUpdated(this);
 523           return true;
 524         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
 525           TNaming_Builder anEmptyBuilder(selectionLabel());
 526           return setInvalidIfFalse(aSelLab, false);
 527         }
 528       } else if (aShapeType == TopAbs_EDGE) {
 529         // just reselect the edge by the id
 530         const int aSubNum = aComposite->numberOfSubs();
 531         for(int a = 0; a < aSubNum; a++) {
 532           // if aSubIds take any, the first appropriate
 533           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 534             // found the appropriate feature
 535             FeaturePtr aFeature = aComposite->subFeature(a);
 536             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 537               aFeature->results().cbegin();
 538             for(;aResIter != aFeature->results().cend(); aResIter++) {
 539               ResultConstructionPtr aRes =
 540                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 541               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 542                 selectConstruction(aContext, aRes->shape());
 543                 setInvalidIfFalse(aSelLab, true);
 544                 owner()->data()->sendAttributeUpdated(this);
 545                 return true;
 546               }
 547             }
 548           }
 549         }
 550       } else if (aShapeType == TopAbs_VERTEX) {
 551         // just reselect the vertex by the id of edge
 552         const int aSubNum = aComposite->numberOfSubs();
 553         for(int a = 0; a < aSubNum; a++) {
 554           // if aSubIds take any, the first appropriate
 555           int aFeatureID = aComposite->subFeatureId(a);
 556           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 557             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 558             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 559               // searching for deltas
 560               int aVertexNum = 0;
 561               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 562               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 563               // found the feature with appropriate edge
 564               FeaturePtr aFeature = aComposite->subFeature(a);
 565               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 566                 aFeature->results().cbegin();
 567               for(;aResIter != aFeature->results().cend(); aResIter++) {
 568                 ResultConstructionPtr aRes =
 569                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 570                 if (aRes && aRes->shape()) {
 571                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 572                     selectConstruction(aContext, aRes->shape());
 573                     setInvalidIfFalse(aSelLab, true);
 574                     owner()->data()->sendAttributeUpdated(this);
 575                     return true;
 576                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 577                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 578                     int aVIndex = 1;
 579                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 580                       if (aVIndex == aVertexNum) { // found!
 581                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 582                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 583                         selectConstruction(aContext, aVertex);
 584                         setInvalidIfFalse(aSelLab, true);
 585                         owner()->data()->sendAttributeUpdated(this);
 586                         return true;
 587                       }
 588                       aVIndex++;
 589                     }
 590                   }
 591                 }
 592               }
 593           }
 594         }
 595       }
 596     } else { // simple construction element: the selected is that needed
 597       selectConstruction(aContext, aContext->shape());
 598       setInvalidIfFalse(aSelLab, true);
 599       owner()->data()->sendAttributeUpdated(this);
 600       return true;
 601     }
 602   }
 603   return setInvalidIfFalse(aSelLab, false); // unknown case
 604 }
 605
 606
 607 void Model_AttributeSelection::selectBody(
 608   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 609 {
 610   // perform the selection
 611   TNaming_Selector aSel(selectionLabel());
 612   TopoDS_Shape aContext;
 613
 614   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 615   if (aBody) {
 616     aContext = aBody->shape()->impl<TopoDS_Shape>();
 617   } else {
 618     ResultPtr aResult =
 619       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 620     if (aResult) {
 621       aContext = aResult->shape()->impl<TopoDS_Shape>();
 622     } else {
 623       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 624       return;
 625     }
 626   }
 627   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 628   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 629   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 630   if (aFeatureOwner.get())
 631     aFeatureOwner->eraseResults();
 632   if (!aContext.IsNull()) {
 633     aSel.Select(aNewShape, aContext);
 634   }
 635 }
 636
 637 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 638 /// if theID is zero,
 639 /// theOrientation is additional information about the positioning of edge relatively to face
 640 ///    it is stored in the integer attribute of the edge sub-label:
 641 ///    -1 is out, 1 is in, 0 is not needed
 642 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 643   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 644   std::string theAdditionalName, std::map<int, int>& theOrientations,
 645   std::map<int, std::string>& theSubNames, // name of sub-elements by ID to be exported instead of indexes
 646   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
 647   const int theOrientation = 0)
 648 {
 649   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 650   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
 651     TDataStd_Integer::Set(aLab, theOrientation);
 652   }
 653   TNaming_Builder aBuilder(aLab);
 654   aBuilder.Generated(theShape);
 655   std::stringstream aName;
 656   aName<<theContextFeature->name();
 657   if (theShape.ShapeType() != TopAbs_COMPOUND) { // compound means the whole result for construction
 658     aName<<"/";
 659     if (!theAdditionalName.empty())
 660       aName<<theAdditionalName<<"/";
 661     if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 662     else if (theShape.ShapeType() == TopAbs_WIRE) aName<<"Wire";
 663     else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 664     else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 665
 666     if (theRefs.IsNull()) {
 667       aName<<theID;
 668       if (theOrientation == 1)
 669         aName<<"f";
 670       else if (theOrientation == -1)
 671         aName<<"r";
 672     } else { // make a composite name from all sub-elements indexes: "1_2_3_4"
 673       TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 674       for(; aRef.More(); aRef.Next()) {
 675         aName<<"-"<<theSubNames[aRef.Key()];
 676         if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
 677           if (theOrientations[aRef.Key()] == 1)
 678             aName<<"f";
 679           else if (theOrientations[aRef.Key()] == -1)
 680             aName<<"r";
 681         }
 682       }
 683     }
 684   }
 685
 686   theDoc->addNamingName(aLab, aName.str());
 687   TDataStd_Name::Set(aLab, aName.str().c_str());
 688 }
 689
 690 void Model_AttributeSelection::selectConstruction(
 691   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 692 {
 693   std::shared_ptr<Model_Document> aMyDoc =
 694     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 695   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 696   CompositeFeaturePtr aComposite =
 697     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 698   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 699   if (!aComposite || aComposite->numberOfSubs() == 0) {
 700     // saving of context is enough: result construction contains exactly the needed shape
 701     TNaming_Builder aBuilder(selectionLabel());
 702     aBuilder.Generated(aSubShape);
 703     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 704     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 705     return;
 706   }
 707   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 708   TDF_Label aLab = myRef.myRef->Label();
 709   // identify the results of sub-object of the composite by edges
 710   // save type of the selected shape in integer attribute
 711   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 712   TDataStd_Integer::Set(aLab, (int)aShapeType);
 713   gp_Pnt aVertexPos;
 714   TColStd_MapOfTransient allCurves;
 715   if (aShapeType == TopAbs_VERTEX) { // compare positions
 716     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 717   } else {
 718     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 719       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 720       Standard_Real aFirst, aLast;
 721       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 722       allCurves.Add(aCurve);
 723     }
 724   }
 725   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 726   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 727   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
 728   std::map<int, std::string> aSubNames; //map from edges IDs to names of edges
 729   aRefs->Clear();
 730   const int aSubNum = aComposite->numberOfSubs();
 731   for(int a = 0; a < aSubNum; a++) {
 732     FeaturePtr aSub = aComposite->subFeature(a);
 733     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 734     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 735     // there may be many shapes (circle and center): register if at least one is in selection
 736     for(; aRes != aResults.cend(); aRes++) {
 737       ResultConstructionPtr aConstr =
 738         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 739       if (!aConstr->shape()) {
 740         continue;
 741       }
 742       if (aShapeType == TopAbs_VERTEX) {
 743         if (aConstr->shape()->isVertex()) { // compare vertices positions
 744           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 745           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 746           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 747             aRefs->Add(aComposite->subFeatureId(a));
 748             aSubNames[aComposite->subFeatureId(a)] = Model_SelectionNaming::shortName(aConstr);
 749           }
 750         } else { // get first or last vertex of the edge: last is stored with additional delta
 751           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 752           int aDelta = kSTART_VERTEX_DELTA;
 753           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 754             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 755             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 756               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 757               aSubNames[aDelta + aComposite->subFeatureId(a)] =
 758                 Model_SelectionNaming::shortName(aConstr, aDelta / kSTART_VERTEX_DELTA);
 759               break;
 760             }
 761             aDelta += kSTART_VERTEX_DELTA;
 762           }
 763         }
 764       } else {
 765         if (aConstr->shape()->isEdge()) {
 766           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 767           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 768           if (!anEdge.IsNull()) {
 769             Standard_Real aFirst, aLast;
 770             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 771             if (allCurves.Contains(aCurve)) {
 772               int anID = aComposite->subFeatureId(a);
 773               aRefs->Add(anID);
 774               aSubNames[anID] = Model_SelectionNaming::shortName(aConstr);
 775               if (aShapeType != TopAbs_EDGE) { // face needs the sub-edges on sub-labels
 776                 // add edges to sub-label to support naming for edges selection
 777                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 778                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 779                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 780                   Standard_Real aFirst, aLast;
 781                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 782                   if (aFaceCurve == aCurve) {
 783                     int anOrient = Model_SelectionNaming::edgeOrientation(aSubShape, anEdge);
 784                     anOrientations[anID] = anOrient;
 785                     registerSubShape(
 786                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
 787                       aSubNames, Handle(TDataStd_IntPackedMap)(), anOrient);
 788                   }
 789                 }
 790               } else { // put vertices of the selected edge to sub-labels
 791                 // add edges to sub-label to support naming for edges selection
 792                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 793                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 794                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 795                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 796
 797                   std::stringstream anAdditionalName;
 798                   registerSubShape(
 799                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations,
 800                     aSubNames);
 801                 }
 802               }
 803             }
 804           }
 805         }
 806       }
 807     }
 808   }
 809   // store the selected as primitive
 810   TNaming_Builder aBuilder(selectionLabel());
 811   aBuilder.Generated(aSubShape);
 812     registerSubShape(
 813       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aSubNames, aRefs);
 814 }
 815
 816 bool Model_AttributeSelection::selectPart(
 817   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 818   const bool theUpdate)
 819 {
 820   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 821   if (!aPart.get() || !aPart->isActivated())
 822     return true; // postponed naming
 823   if (theUpdate) {
 824     Handle(TDataStd_Integer) anIndex;
 825     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
 826       if (anIndex->Get() > 0) {
 827         // update the selection by index
 828         return aPart->updateInPart(anIndex->Get());
 829       } else {
 830         return true; // nothing to do, referencing just by name
 831       }
 832     }
 833     return true; // nothing to do, referencing just by name
 834   }
 835   // store the shape (in case part is not loaded it should be useful
 836   TopoDS_Shape aShape;
 837   std::string aName = theContext->data()->name();
 838   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 839     aShape = theContext->shape()->impl<TopoDS_Shape>();
 840   } else {
 841     aShape = theSubShape->impl<TopoDS_Shape>();
 842     int anIndex;
 843     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 844     TDataStd_Integer::Set(selectionLabel(), anIndex);
 845   }
 846   TNaming_Builder aBuilder(selectionLabel());
 847   aBuilder.Select(aShape, aShape);
 848   // identify by name in the part
 849   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 850   return !aName.empty();
 851 }
 852
 853 TDF_Label Model_AttributeSelection::selectionLabel()
 854 {
 855   return myRef.myRef->Label().FindChild(1);
 856 }
 857
 858 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 859 {
 860   std::string aName("");
 861   if(!this->isInitialized())
 862     return !theDefaultName.empty() ? theDefaultName : aName;
 863   Handle(TDataStd_Name) anAtt;
 864   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 865     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 866     return aName;
 867   }
 868
 869   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 870   ResultPtr aCont = context();
 871
 872   Model_SelectionNaming aSelNaming(selectionLabel());
 873   return aSelNaming.namingName(aCont, aSubSh, theDefaultName);
 874 }
 875
 876 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 877 void Model_AttributeSelection::selectSubShape(
 878   const std::string& theType, const std::string& theSubShapeName)
 879 {
 880   if(theSubShapeName.empty() || theType.empty()) return;
 881
 882   // check this is Part-name: 2 delimiters in the name
 883   std::size_t aPartEnd = theSubShapeName.find('/');
 884   if (aPartEnd != string::npos && aPartEnd != theSubShapeName.rfind('/')) {
 885     std::string aPartName = theSubShapeName.substr(0, aPartEnd);
 886     ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 887     if (aFound.get()) { // found such part, so asking it for the name
 888       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 889       string aNameInPart = theSubShapeName.substr(aPartEnd + 1);
 890       int anIndex;
 891       std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, theType, anIndex);
 892       if (aSelected.get()) {
 893         setValue(aPart, aSelected);
 894         TDataStd_Integer::Set(selectionLabel(), anIndex);
 895         return;
 896       }
 897     }
 898   }
 899
 900   Model_SelectionNaming aSelNaming(selectionLabel());
 901   std::shared_ptr<Model_Document> aDoc =
 902     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 903   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 904   ResultPtr aCont;
 905   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 906     setValue(aCont, aShapeToBeSelected);
 907   }
 908 }
 909
 910 int Model_AttributeSelection::Id()
 911 {
 912   int anID = 0;
 913   std::shared_ptr<GeomAPI_Shape> aSelection = value();
 914   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
 915   // support for compsolids:
 916   if (context().get() && ModelAPI_Tools::compSolidOwner(context()).get())
 917     aContext = ModelAPI_Tools::compSolidOwner(context())->shape();
 918
 919
 920   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
 921   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
 922   // searching for the latest main shape
 923   if (aSelection && !aSelection->isNull() &&
 924     aContext   && !aContext->isNull())
 925   {
 926     std::shared_ptr<Model_Document> aDoc =
 927       std::dynamic_pointer_cast<Model_Document>(context()->document());
 928     if (aDoc.get()) {
 929       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
 930       if (!aNS.IsNull()) {
 931         aMainShape = TNaming_Tool::CurrentShape(aNS);
 932       }
 933     }
 934
 935     TopTools_IndexedMapOfShape aSubShapesMap;
 936     TopExp::MapShapes(aMainShape, aSubShapesMap);
 937     anID = aSubShapesMap.FindIndex(aSubShape);
 938   }
 939   return anID;
 940 }
 941
 942 void Model_AttributeSelection::setId(int theID)
 943 {
 944   const ResultPtr& aContext = context();
 945   std::shared_ptr<GeomAPI_Shape> aSelection;
 946
 947   std::shared_ptr<GeomAPI_Shape> aContextShape = aContext->shape();
 948   // support for compsolids:
 949   if (aContext.get() && ModelAPI_Tools::compSolidOwner(aContext).get())
 950     aContextShape = ModelAPI_Tools::compSolidOwner(aContext)->shape();
 951
 952   TopoDS_Shape aMainShape = aContextShape->impl<TopoDS_Shape>();
 953   // searching for the latest main shape
 954   if (theID > 0 &&
 955       aContextShape && !aContextShape->isNull())
 956   {
 957     std::shared_ptr<Model_Document> aDoc =
 958       std::dynamic_pointer_cast<Model_Document>(aContext->document());
 959     if (aDoc.get()) {
 960       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
 961       if (!aNS.IsNull()) {
 962         aMainShape = TNaming_Tool::CurrentShape(aNS);
 963       }
 964     }
 965
 966     TopTools_IndexedMapOfShape aSubShapesMap;
 967     TopExp::MapShapes(aMainShape, aSubShapesMap);
 968     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
 969
 970     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
 971     aResult->setImpl(new TopoDS_Shape(aSelShape));
 972
 973     aSelection = aResult;
 974   }
 975
 976   setValue(aContext, aSelection);
 977 }
 978