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 <Model_Objects.h>
  14 #include <ModelAPI_Feature.h>
  15 #include <ModelAPI_ResultBody.h>
  16 #include <ModelAPI_ResultConstruction.h>
  17 #include <ModelAPI_ResultPart.h>
  18 #include <ModelAPI_CompositeFeature.h>
  19 #include <ModelAPI_Tools.h>
  20 #include <GeomAPI_Shape.h>
  21 #include <ModelAPI_Session.h>
  22 #include <GeomAPI_PlanarEdges.h>
  23 #include <Events_InfoMessage.h>
  24
  25 #include <TNaming_Selector.hxx>
  26 #include <TNaming_NamedShape.hxx>
  27 #include <TNaming_Tool.hxx>
  28 #include <TNaming_Builder.hxx>
  29 #include <TNaming_Localizer.hxx>
  30 #include <TopoDS_Shape.hxx>
  31 #include <TopoDS_Compound.hxx>
  32 #include <TDataStd_IntPackedMap.hxx>
  33 #include <TDataStd_Integer.hxx>
  34 #include <TDataStd_UAttribute.hxx>
  35 #include <TDataStd_Name.hxx>
  36 #include <TopTools_MapOfShape.hxx>
  37 #include <TopTools_IndexedMapOfShape.hxx>
  38 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  39 #include <TopTools_ListOfShape.hxx>
  40 #include <NCollection_DataMap.hxx>
  41 #include <TopExp_Explorer.hxx>
  42 #include <TDF_LabelMap.hxx>
  43 #include <BRep_Tool.hxx>
  44 #include <BRep_Builder.hxx>
  45 #include <TopoDS_Edge.hxx>
  46 #include <TopoDS.hxx>
  47 #include <TopExp.hxx>
  48 #include <TColStd_MapOfTransient.hxx>
  49 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  50 #include <TopTools_ListIteratorOfListOfShape.hxx>
  51 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  52 #include <gp_Pnt.hxx>
  53 #include <Precision.hxx>
  54 #include <TDF_ChildIterator.hxx>
  55 #include <TDF_ChildIDIterator.hxx>
  56 #include <TDataStd_Name.hxx>
  57 #include <TopAbs_ShapeEnum.hxx>
  58 #include <TopoDS_Iterator.hxx>
  59 #include <BRep_Builder.hxx>
  60 #include <TNaming_SameShapeIterator.hxx>
  61 #include <TNaming_Iterator.hxx>
  62
  63 using namespace std;
  64 //#define DEB_NAMING 1
  65 #ifdef DEB_NAMING
  66 #include <BRepTools.hxx>
  67 #endif
  68 /// added to the index in the packed map to signalize that the vertex of edge is selected
  69 /// (multiplied by the index of the edge)
  70 static const int kSTART_VERTEX_DELTA = 1000000;
  71 // identifier that there is simple reference: selection equals to context
  72 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  73 // simple reference in the construction
  74 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  75 // reference to Part sub-object
  76 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  77 // selection is invalid after recomputation
  78 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  79
  80 // on this label is stored:
  81 // TNaming_NamedShape - selected shape
  82 // TNaming_Naming - topological selection information (for the body)
  83 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  84 // TDataStd_Integer - type of the selected shape (for construction)
  85 // TDF_Reference - from ReferenceAttribute, the context
  86 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  87   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
  88 {
  89   if (theTemporarily) { // just keep the stored without DF update
  90     myTmpContext = theContext;
  91     myTmpSubShape = theSubShape;
  92     owner()->data()->sendAttributeUpdated(this);
  93     return;
  94   } else {
  95     myTmpContext.reset();
  96     myTmpSubShape.reset();
  97   }
  98
  99   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
 100   bool isOldContext = theContext == myRef.value();
 101   bool isOldShape = isOldContext &&
 102     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 103   if (isOldShape) return; // shape is the same, so context is also unchanged
 104   // update the referenced object if needed
 105   if (!isOldContext) {
 106       myRef.setValue(theContext);
 107   }
 108
 109   // do noth use naming if selected shape is result shape itself, but not sub-shape
 110   TDF_Label aSelLab = selectionLabel();
 111   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 112   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
 113   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 114
 115   bool isDegeneratedEdge = false;
 116   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 117   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 118     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 119     if (aSubShape.ShapeType() == TopAbs_EDGE)
 120       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 121   }
 122   if (!theContext.get() || isDegeneratedEdge) {
 123     // to keep the reference attribute label
 124     TDF_Label aRefLab = myRef.myRef->Label();
 125     aSelLab.ForgetAllAttributes(true);
 126     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 127     return;
 128   }
 129   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 130     // do not select the whole shape for body:it is already must be in the data framework
 131     // equal and null selected objects mean the same: object is equal to context,
 132     if (theContext->shape().get() &&
 133         (theContext->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 134       aSelLab.ForgetAllAttributes(true);
 135       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 136     } else {
 137       selectBody(theContext, theSubShape);
 138     }
 139   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 140     if (!theSubShape.get()) {
 141       // to sub, so the whole result is selected
 142       aSelLab.ForgetAllAttributes(true);
 143       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 144       ResultConstructionPtr aConstruction =
 145         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 146       if (aConstruction->isInfinite()) {
 147         // For correct naming selection, put the shape into the naming structure.
 148         // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 149         TNaming_Builder aBuilder(aSelLab);
 150         aBuilder.Generated(theContext->shape()->impl<TopoDS_Shape>());
 151         std::shared_ptr<Model_Document> aMyDoc =
 152           std::dynamic_pointer_cast<Model_Document>(owner()->document());
 153         std::string aName = contextName(theContext);
 154         // for selection in different document, add the document name
 155         aMyDoc->addNamingName(aSelLab, aName);
 156         TDataStd_Name::Set(aSelLab, aName.c_str());
 157       } else {  // for sketch the naming is needed in DS
 158         BRep_Builder aCompoundBuilder;
 159         TopoDS_Compound aComp;
 160         aCompoundBuilder.MakeCompound(aComp);
 161         for(int a = 0; a < aConstruction->facesNum(); a++) {
 162           TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 163           aCompoundBuilder.Add(aComp, aFace);
 164         }
 165         std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 166         aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 167         selectConstruction(theContext, aShape);
 168       }
 169     } else {
 170       selectConstruction(theContext, theSubShape);
 171     }
 172   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 173     aSelLab.ForgetAllAttributes(true);
 174     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 175     selectPart(theContext, theSubShape);
 176   }
 177   //the attribute initialized state should be changed by sendAttributeUpdated only
 178   //myIsInitialized = true;
 179
 180   owner()->data()->sendAttributeUpdated(this);
 181 }
 182
 183 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 184 {
 185   GeomShapePtr aResult;
 186   if (myTmpContext.get() || myTmpSubShape.get()) {
 187     ResultConstructionPtr aResulConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 188     if(aResulConstruction.get()) {
 189       // it is just reference to construction.
 190       return myTmpSubShape;
 191     }
 192     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 193   }
 194
 195   TDF_Label aSelLab = selectionLabel();
 196   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 197     return aResult;
 198
 199   if (myRef.isInitialized()) {
 200     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 201       ResultPtr aContext = context();
 202       if (!aContext.get())
 203         return aResult; // empty result
 204       return aContext->shape();
 205     }
 206     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 207         return aResult; // empty result
 208     }
 209     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 210       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 211       if (!aPart.get() || !aPart->isActivated())
 212         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 213       Handle(TDataStd_Integer) anIndex;
 214       if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 215         if (anIndex->Get()) { // special selection attribute was created, use it
 216           return aPart->selectionValue(anIndex->Get());
 217         } else { // face with name is already in the data model, so try to take it by name
 218           Handle(TDataStd_Name) aName;
 219           if (selectionLabel().FindAttribute(TDataStd_Name::GetID(), aName)) {
 220             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 221             std::size_t aPartEnd = aSubShapeName.find('/');
 222             if (aPartEnd != string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 223               string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 224               int anIndex;
 225               std::string aType; // to reuse already existing selection the type is not needed
 226               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 227             }
 228           }
 229         }
 230       }
 231     }
 232
 233     Handle(TNaming_NamedShape) aSelection;
 234     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 235       TopoDS_Shape aSelShape = aSelection->Get();
 236       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 237       aResult->setImpl(new TopoDS_Shape(aSelShape));
 238     } else { // for simple construction element: just shape of this construction element
 239       ResultConstructionPtr aConstr =
 240         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 241       if (aConstr) {
 242         return aConstr->shape();
 243       }
 244     }
 245   }
 246   return aResult;
 247 }
 248
 249 bool Model_AttributeSelection::isInvalid()
 250 {
 251   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 252 }
 253
 254 bool Model_AttributeSelection::isInitialized()
 255 {
 256   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 257     std::shared_ptr<GeomAPI_Shape> aResult;
 258     if (myRef.isInitialized()) {
 259       TDF_Label aSelLab = selectionLabel();
 260       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 261         ResultPtr aContext = context();
 262         return aContext.get() != NULL;
 263       }
 264       if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 265           return true;
 266       }
 267
 268       Handle(TNaming_NamedShape) aSelection;
 269       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 270         return !aSelection->Get().IsNull();
 271       } else { // for simple construction element: just shape of this construction element
 272         ResultConstructionPtr aConstr =
 273           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 274         if (aConstr.get()) {
 275           return aConstr->shape().get() != NULL;
 276         }
 277       }
 278     }
 279   }
 280   return false;
 281 }
 282
 283 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 284   : myRef(theLabel)
 285 {
 286   myIsInitialized = myRef.isInitialized();
 287 }
 288
 289 void Model_AttributeSelection::setID(const std::string theID)
 290 {
 291   myRef.setID(theID);
 292   ModelAPI_AttributeSelection::setID(theID);
 293 }
 294
 295 ResultPtr Model_AttributeSelection::context() {
 296   if (myTmpContext.get() || myTmpSubShape.get()) {
 297     return myTmpContext;
 298   }
 299
 300   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 301   // for parts there could be same-data result, so take the last enabled
 302   if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group()) {
 303     int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 304     for(int a = aSize - 1; a >= 0; a--) {
 305       ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 306       if (aPart.get() && aPart->data() == aResult->data()) {
 307         ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 308         FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 309         // check that this result is not this-feature result (it is forbidden t oselect itself)
 310         if (anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 311           return aPartResult;
 312         }
 313       }
 314     }
 315   }
 316   return aResult;
 317 }
 318
 319
 320 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 321 {
 322   ModelAPI_AttributeSelection::setObject(theObject);
 323   myRef.setObject(theObject);
 324 }
 325
 326 TDF_LabelMap& Model_AttributeSelection::scope()
 327 {
 328   if (myScope.IsEmpty()) { // create a new scope if not yet done
 329     // gets all features with named shapes that are before this feature label (before in history)
 330     DocumentPtr aMyDoc = owner()->document();
 331     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 332     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 333     bool aMePassed = false;
 334     CompositeFeaturePtr aComposite =
 335       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 336     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 337     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 338     if (aFeature.get()) {
 339       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 340       if (aCompositeOwner.get()) {
 341          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 342       }
 343     }
 344     // for group Scope is not limitet: this is always up to date objects
 345     bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 346     for(; aFIter != allFeatures.end(); aFIter++) {
 347       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 348         aMePassed = true;
 349         continue;
 350       }
 351       if (isGroup) aMePassed = false;
 352       bool isInScope = !aMePassed;
 353       if (!isInScope && aComposite.get()) { // try to add sub-elements of composite if this is composite
 354         if (aComposite->isSub(*aFIter))
 355           isInScope = true;
 356       }
 357       // remove the composite-owner of this feature (sketch in extrusion-cut)
 358       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 359         isInScope = false;
 360
 361       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 362         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 363           (*aFIter)->data())->label().Father();
 364         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), 1);
 365         for(; aNSIter.More(); aNSIter.Next()) {
 366           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 367           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 368             myScope.Add(aNS->Label());
 369           }
 370         }
 371       }
 372     }
 373   }
 374   return myScope;
 375 }
 376
 377 /// Sets the invalid flag if flag is false, or removes it if "true"
 378 /// Returns theFlag
 379 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 380   if (theFlag) {
 381     theLab.ForgetAttribute(kINVALID_SELECTION);
 382   } else {
 383     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 384   }
 385   return theFlag;
 386 }
 387
 388 bool Model_AttributeSelection::update()
 389 {
 390   TDF_Label aSelLab = selectionLabel();
 391   ResultPtr aContext = context();
 392   if (!aContext.get())
 393     return setInvalidIfFalse(aSelLab, false);
 394   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 395     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 396   }
 397   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 398     // if there is a sketch, the sketch-naming must be updated
 399     ResultConstructionPtr aConstruction =
 400       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 401     if (!aConstruction->isInfinite()) {
 402       BRep_Builder aCompoundBuilder;
 403       TopoDS_Compound aComp;
 404       aCompoundBuilder.MakeCompound(aComp);
 405       for(int a = 0; a < aConstruction->facesNum(); a++) {
 406         TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 407         aCompoundBuilder.Add(aComp, aFace);
 408       }
 409       std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 410       aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 411       selectConstruction(aContext, aShape);
 412     } else {
 413       // For correct naming selection, put the shape into the naming structure.
 414       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 415       TNaming_Builder aBuilder(aSelLab);
 416       aBuilder.Generated(aContext->shape()->impl<TopoDS_Shape>());
 417       std::shared_ptr<Model_Document> aMyDoc =
 418         std::dynamic_pointer_cast<Model_Document>(owner()->document());
 419       std::string aName = contextName(aContext);
 420       aMyDoc->addNamingName(aSelLab, aName);
 421       TDataStd_Name::Set(aSelLab, aName.c_str());
 422     }
 423     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 424   }
 425
 426   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 427     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 428     bool aResult = selectPart(aContext, aNoSelection, true);
 429     aResult = setInvalidIfFalse(aSelLab, aResult);
 430     if (aResult) {
 431       owner()->data()->sendAttributeUpdated(this);
 432     }
 433     return aResult;
 434   }
 435
 436   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 437     // body: just a named shape, use selection mechanism from OCCT
 438     TNaming_Selector aSelector(aSelLab);
 439     bool aResult = aSelector.Solve(scope()) == Standard_True;
 440     aResult = setInvalidIfFalse(aSelLab, aResult); // must be before sending of updated attribute (1556)
 441     owner()->data()->sendAttributeUpdated(this);
 442     return aResult;
 443   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 444     // construction: identification by the results indexes, recompute faces and
 445     // take the face that more close by the indexes
 446     ResultConstructionPtr aConstructionContext =
 447       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 448     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 449     // sketch sub-element
 450     if (aConstructionContext &&
 451         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 452     {
 453       TDF_Label aLab = myRef.myRef->Label();
 454       // getting a type of selected shape
 455       Handle(TDataStd_Integer) aTypeAttr;
 456       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 457         return setInvalidIfFalse(aSelLab, false);
 458       }
 459       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 460       // selected indexes will be needed in each "if"
 461       Handle(TDataStd_IntPackedMap) aSubIds;
 462       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 463       bool aNoIndexes =
 464         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 465       // for now working only with composite features
 466       CompositeFeaturePtr aComposite =
 467         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 468       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 469         return setInvalidIfFalse(aSelLab, false);
 470       }
 471
 472       if (aShapeType == TopAbs_FACE || aShapeType == TopAbs_WIRE) { // compound is for the whole sketch selection
 473         // If this is a wire with plane defined then it is a sketch-like object
 474         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 475           return setInvalidIfFalse(aSelLab, false);
 476         // if there is no edges indexes, any face can be used: take the first
 477         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 478         if (aNoIndexes) {
 479           aNewSelected = aConstructionContext->face(0);
 480         } else { // searching for most looks-like initial face by the indexes
 481           // prepare edges of the current result for the fast searching
 482           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
 483           const int aSubNum = aComposite->numberOfSubs();
 484           for(int a = 0; a < aSubNum; a++) {
 485             int aSubID = aComposite->subFeatureId(a);
 486             if (aSubIds->Contains(aSubID)) {
 487               FeaturePtr aSub = aComposite->subFeature(a);
 488               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 489               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 490               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 491                 ResultConstructionPtr aConstr =
 492                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 493                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 494                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 495                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 496                   if (!anEdge.IsNull()) {
 497                     Standard_Real aFirst, aLast;
 498                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 499                     // searching for orientation information
 500                     int anOrient = 0;
 501                     Handle(TDataStd_Integer) anInt;
 502                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
 503                       anOrient = anInt->Get();
 504                     }
 505                     allCurves.Bind(aCurve, anOrient);
 506                   }
 507                 }
 508               }
 509             }
 510           }
 511           aNewSelected = Model_SelectionNaming::findAppropriateFace(
 512             aContext, allCurves, aShapeType == TopAbs_WIRE);
 513         }
 514         if (aNewSelected) { // store this new selection
 515           selectConstruction(aContext, aNewSelected);
 516           setInvalidIfFalse(aSelLab, true);
 517           owner()->data()->sendAttributeUpdated(this);
 518           return true;
 519         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
 520           TNaming_Builder anEmptyBuilder(selectionLabel());
 521           return setInvalidIfFalse(aSelLab, false);
 522         }
 523       } else if (aShapeType == TopAbs_EDGE) {
 524         // just reselect the edge by the id
 525         const int aSubNum = aComposite->numberOfSubs();
 526         for(int a = 0; a < aSubNum; a++) {
 527           // if aSubIds take any, the first appropriate
 528           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 529             // found the appropriate feature
 530             FeaturePtr aFeature = aComposite->subFeature(a);
 531             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 532               aFeature->results().cbegin();
 533             for(;aResIter != aFeature->results().cend(); aResIter++) {
 534               ResultConstructionPtr aRes =
 535                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 536               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 537                 selectConstruction(aContext, aRes->shape());
 538                 setInvalidIfFalse(aSelLab, true);
 539                 owner()->data()->sendAttributeUpdated(this);
 540                 return true;
 541               }
 542             }
 543           }
 544         }
 545       } else if (aShapeType == TopAbs_VERTEX) {
 546         // just reselect the vertex by the id of edge
 547         const int aSubNum = aComposite->numberOfSubs();
 548         for(int a = 0; a < aSubNum; a++) {
 549           // if aSubIds take any, the first appropriate
 550           int aFeatureID = aComposite->subFeatureId(a);
 551           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 552             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 553             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 554               // searching for deltas
 555               int aVertexNum = 0;
 556               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 557               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 558               // found the feature with appropriate edge
 559               FeaturePtr aFeature = aComposite->subFeature(a);
 560               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 561                 aFeature->results().cbegin();
 562               for(;aResIter != aFeature->results().cend(); aResIter++) {
 563                 ResultConstructionPtr aRes =
 564                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 565                 if (aRes && aRes->shape()) {
 566                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 567                     selectConstruction(aContext, aRes->shape());
 568                     setInvalidIfFalse(aSelLab, true);
 569                     owner()->data()->sendAttributeUpdated(this);
 570                     return true;
 571                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 572                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 573                     int aVIndex = 1;
 574                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 575                       if (aVIndex == aVertexNum) { // found!
 576                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 577                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 578                         selectConstruction(aContext, aVertex);
 579                         setInvalidIfFalse(aSelLab, true);
 580                         owner()->data()->sendAttributeUpdated(this);
 581                         return true;
 582                       }
 583                       aVIndex++;
 584                     }
 585                   }
 586                 }
 587               }
 588           }
 589         }
 590       }
 591     } else { // simple construction element: the selected is that needed
 592       selectConstruction(aContext, aContext->shape());
 593       setInvalidIfFalse(aSelLab, true);
 594       owner()->data()->sendAttributeUpdated(this);
 595       return true;
 596     }
 597   }
 598   return setInvalidIfFalse(aSelLab, false); // unknown case
 599 }
 600
 601 void Model_AttributeSelection::selectBody(
 602   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 603 {
 604   // perform the selection
 605   TNaming_Selector aSel(selectionLabel());
 606   TopoDS_Shape aContext;
 607
 608   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 609   if (aBody) {
 610     aContext = aBody->shape()->impl<TopoDS_Shape>();
 611   } else {
 612     ResultPtr aResult =
 613       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 614     if (aResult) {
 615       aContext = aResult->shape()->impl<TopoDS_Shape>();
 616     } else {
 617       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 618       return;
 619     }
 620   }
 621
 622   // with "recover" feature the selected context may be not up to date (issue 1710)
 623   Handle(TNaming_NamedShape) aResult;
 624   TDF_Label aSelLab = selectionLabel();
 625   TopoDS_Shape aNewContext = aContext;
 626   bool isUpdated = true;
 627   while(!aNewContext.IsNull() && isUpdated) { // searching for the very last shape that was produced from this one
 628     isUpdated = false;
 629     if (!TNaming_Tool::HasLabel(aSelLab, aNewContext)) // to avoid crash of TNaming_SameShapeIterator if pure shape does not exists
 630       break;
 631     for(TNaming_SameShapeIterator anIter(aNewContext, aSelLab); anIter.More(); anIter.Next()) {
 632       TDF_Label aNSLab = anIter.Label();
 633       if (!scope().Contains(aNSLab))
 634         continue;
 635       Handle(TNaming_NamedShape) aNS;
 636       if (aNSLab.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 637         for(TNaming_Iterator aShapesIter(aNS); aShapesIter.More(); aShapesIter.Next()) {
 638           if (aShapesIter.Evolution() == TNaming_SELECTED)
 639             continue; // don't use the selection evolution
 640           if (!aShapesIter.OldShape().IsNull() && aShapesIter.OldShape().IsSame(aNewContext)) {
 641              // found the original shape
 642             aNewContext = aShapesIter.NewShape(); // go to the newer shape
 643             isUpdated = true;
 644             break;
 645           }
 646         }
 647       }
 648     }
 649   }
 650   if (aNewContext.IsNull()) { // a context is already deleted
 651     setInvalidIfFalse(aSelLab, false);
 652     Events_InfoMessage("Model_AttributeSelection", "Failed to select shape already deleted").send();
 653     return;
 654   }
 655
 656   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 657   if (!aNewSub.IsEqual(aContext)) { // searching for subshape in the new context
 658     bool isFound = false;
 659     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
 660     for(; anExp.More(); anExp.Next()) {
 661       if (anExp.Current().IsEqual(aNewSub)) {
 662         isFound = true;
 663         break;
 664       }
 665     }
 666     if (!isFound) { // sub-shape is not found in the up-to-date instance of the context shape
 667       setInvalidIfFalse(aSelLab, false);
 668       Events_InfoMessage("Model_AttributeSelection", "Failed to select sub-shape already modified").send();
 669       return;
 670     }
 671   }
 672
 673
 674   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 675   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 676   if (aFeatureOwner.get())
 677     aFeatureOwner->eraseResults();
 678   if (!aContext.IsNull()) {
 679     aSel.Select(aNewSub, aNewContext);
 680   }
 681 }
 682
 683 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 684 /// if theID is zero,
 685 /// theOrientation is additional information about the positioning of edge relatively to face
 686 ///    it is stored in the integer attribute of the edge sub-label:
 687 ///    -1 is out, 1 is in, 0 is not needed
 688 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 689   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 690   std::string theAdditionalName, std::map<int, int>& theOrientations,
 691   std::map<int, std::string>& theSubNames, // name of sub-elements by ID to be exported instead of indexes
 692   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
 693   const int theOrientation = 0)
 694 {
 695   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 696   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
 697     TDataStd_Integer::Set(aLab, theOrientation);
 698   }
 699   TNaming_Builder aBuilder(aLab);
 700   aBuilder.Generated(theShape);
 701   std::stringstream aName;
 702   // add the part name if the selected object is located in other part
 703   if (theDoc != theContextFeature->document()) {
 704     if (theContextFeature->document() == ModelAPI_Session::get()->moduleDocument()) {
 705       aName<<theContextFeature->document()->kind()<<"/";
 706     } else {
 707       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
 708         ModelAPI_Session::get()->moduleDocument(), theContextFeature->document());
 709       if (aDocRes.get()) {
 710         aName<<aDocRes->data()->name()<<"/";
 711       }
 712     }
 713   }
 714   aName<<theContextFeature->name();
 715   if (theShape.ShapeType() != TopAbs_COMPOUND) { // compound means the whole result for construction
 716     aName<<"/";
 717     if (!theAdditionalName.empty())
 718       aName<<theAdditionalName<<"/";
 719     if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 720     else if (theShape.ShapeType() == TopAbs_WIRE) aName<<"Wire";
 721     else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 722     else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 723
 724     if (theRefs.IsNull()) {
 725       aName<<theID;
 726       if (theOrientation == 1)
 727         aName<<"f";
 728       else if (theOrientation == -1)
 729         aName<<"r";
 730     } else { // make a composite name from all sub-elements indexes: "1_2_3_4"
 731       TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 732       for(; aRef.More(); aRef.Next()) {
 733         aName<<"-"<<theSubNames[aRef.Key()];
 734         if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
 735           if (theOrientations[aRef.Key()] == 1)
 736             aName<<"f";
 737           else if (theOrientations[aRef.Key()] == -1)
 738             aName<<"r";
 739         }
 740       }
 741     }
 742   }
 743
 744   theDoc->addNamingName(aLab, aName.str());
 745   TDataStd_Name::Set(aLab, aName.str().c_str());
 746 }
 747
 748 void Model_AttributeSelection::selectConstruction(
 749   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 750 {
 751   std::shared_ptr<Model_Document> aMyDoc =
 752     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 753   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 754   CompositeFeaturePtr aComposite =
 755     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 756   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 757   if (!aComposite || aComposite->numberOfSubs() == 0) {
 758     // saving of context is enough: result construction contains exactly the needed shape
 759     TNaming_Builder aBuilder(selectionLabel());
 760     aBuilder.Generated(aSubShape);
 761     std::string aName = contextName(theContext);
 762     aMyDoc->addNamingName(selectionLabel(), aName);
 763     TDataStd_Name::Set(selectionLabel(), aName.c_str());
 764     return;
 765   }
 766   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 767   TDF_Label aLab = myRef.myRef->Label();
 768   // identify the results of sub-object of the composite by edges
 769   // save type of the selected shape in integer attribute
 770   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 771   TDataStd_Integer::Set(aLab, (int)aShapeType);
 772   gp_Pnt aVertexPos;
 773   TColStd_MapOfTransient allCurves;
 774   if (aShapeType == TopAbs_VERTEX) { // compare positions
 775     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 776   } else {
 777     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 778       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 779       Standard_Real aFirst, aLast;
 780       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 781       allCurves.Add(aCurve);
 782     }
 783   }
 784   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 785   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 786   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
 787   std::map<int, std::string> aSubNames; //map from edges IDs to names of edges
 788   aRefs->Clear();
 789   const int aSubNum = aComposite->numberOfSubs();
 790   for(int a = 0; a < aSubNum; a++) {
 791     FeaturePtr aSub = aComposite->subFeature(a);
 792     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 793     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 794     // there may be many shapes (circle and center): register if at least one is in selection
 795     for(; aRes != aResults.cend(); aRes++) {
 796       ResultConstructionPtr aConstr =
 797         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 798       if (!aConstr->shape()) {
 799         continue;
 800       }
 801       if (aShapeType == TopAbs_VERTEX) {
 802         if (aConstr->shape()->isVertex()) { // compare vertices positions
 803           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 804           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 805           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 806             aRefs->Add(aComposite->subFeatureId(a));
 807             aSubNames[aComposite->subFeatureId(a)] = Model_SelectionNaming::shortName(aConstr);
 808           }
 809         } else { // get first or last vertex of the edge: last is stored with additional delta
 810           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 811           int aDelta = kSTART_VERTEX_DELTA;
 812           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 813             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 814             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 815               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 816               aSubNames[aDelta + aComposite->subFeatureId(a)] =
 817                 Model_SelectionNaming::shortName(aConstr, aDelta / kSTART_VERTEX_DELTA);
 818               break;
 819             }
 820             aDelta += kSTART_VERTEX_DELTA;
 821           }
 822         }
 823       } else {
 824         if (aConstr->shape()->isEdge()) {
 825           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 826           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 827           if (!anEdge.IsNull()) {
 828             Standard_Real aFirst, aLast;
 829             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 830             if (allCurves.Contains(aCurve)) {
 831               int anID = aComposite->subFeatureId(a);
 832               aRefs->Add(anID);
 833               aSubNames[anID] = Model_SelectionNaming::shortName(aConstr);
 834               if (aShapeType != TopAbs_EDGE) { // face needs the sub-edges on sub-labels
 835                 // add edges to sub-label to support naming for edges selection
 836                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 837                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 838                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 839                   Standard_Real aFirst, aLast;
 840                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 841                   if (aFaceCurve == aCurve) {
 842                     int anOrient = Model_SelectionNaming::edgeOrientation(aSubShape, anEdge);
 843                     anOrientations[anID] = anOrient;
 844                     registerSubShape(
 845                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
 846                       aSubNames, Handle(TDataStd_IntPackedMap)(), anOrient);
 847                   }
 848                 }
 849               } else { // put vertices of the selected edge to sub-labels
 850                 // add edges to sub-label to support naming for edges selection
 851                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 852                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 853                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 854                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 855
 856                   std::stringstream anAdditionalName;
 857                   registerSubShape(
 858                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations,
 859                     aSubNames);
 860                 }
 861               }
 862             }
 863           }
 864         }
 865       }
 866     }
 867   }
 868   // store the selected as primitive
 869   TNaming_Builder aBuilder(selectionLabel());
 870   aBuilder.Generated(aSubShape);
 871     registerSubShape(
 872       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aSubNames, aRefs);
 873 }
 874
 875 bool Model_AttributeSelection::selectPart(
 876   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 877   const bool theUpdate)
 878 {
 879   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 880   if (!aPart.get() || !aPart->isActivated())
 881     return true; // postponed naming
 882   if (theUpdate) {
 883     Handle(TDataStd_Integer) anIndex;
 884     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
 885       if (anIndex->Get() > 0) {
 886         // update the selection by index
 887         return aPart->updateInPart(anIndex->Get());
 888       } else {
 889         return true; // nothing to do, referencing just by name
 890       }
 891     }
 892     return true; // nothing to do, referencing just by name
 893   }
 894   // store the shape (in case part is not loaded it should be useful
 895   TopoDS_Shape aShape;
 896   std::string aName = theContext->data()->name();
 897   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 898     aShape = theContext->shape()->impl<TopoDS_Shape>();
 899   } else {
 900     aShape = theSubShape->impl<TopoDS_Shape>();
 901     int anIndex;
 902     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 903     TDataStd_Integer::Set(selectionLabel(), anIndex);
 904   }
 905   TNaming_Builder aBuilder(selectionLabel());
 906   aBuilder.Select(aShape, aShape);
 907   // identify by name in the part
 908   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 909   return !aName.empty();
 910 }
 911
 912 TDF_Label Model_AttributeSelection::selectionLabel()
 913 {
 914   return myRef.myRef->Label().FindChild(1);
 915 }
 916
 917 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 918 {
 919   std::string aName("");
 920   if(!this->isInitialized())
 921     return !theDefaultName.empty() ? theDefaultName : aName;
 922
 923   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 924   ResultPtr aCont = context();
 925
 926   Model_SelectionNaming aSelNaming(selectionLabel());
 927   return aSelNaming.namingName(
 928     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 929 }
 930
 931 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 932 void Model_AttributeSelection::selectSubShape(
 933   const std::string& theType, const std::string& theSubShapeName)
 934 {
 935   if(theSubShapeName.empty() || theType.empty()) return;
 936
 937   // check this is Part-name: 2 delimiters in the name
 938   std::size_t aPartEnd = theSubShapeName.find('/');
 939   if (aPartEnd != string::npos && aPartEnd != theSubShapeName.rfind('/')) {
 940     std::string aPartName = theSubShapeName.substr(0, aPartEnd);
 941     ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 942     if (aFound.get()) { // found such part, so asking it for the name
 943       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 944       string aNameInPart = theSubShapeName.substr(aPartEnd + 1);
 945       int anIndex;
 946       std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, theType, anIndex);
 947       if (aSelected.get()) {
 948         setValue(aPart, aSelected);
 949         TDataStd_Integer::Set(selectionLabel(), anIndex);
 950         return;
 951       }
 952     }
 953   }
 954
 955   Model_SelectionNaming aSelNaming(selectionLabel());
 956   std::shared_ptr<Model_Document> aDoc =
 957     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 958   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 959   ResultPtr aCont;
 960   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 961     // try to find the last context to find the up to dat shape
 962     if (aCont->shape().get() && !aCont->shape()->isNull() &&
 963       aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
 964       const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
 965       if (!aConShape.IsNull()) {
 966         Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
 967         if (!aNS.IsNull()) {
 968           aNS = TNaming_Tool::CurrentNamedShape(aNS);
 969           if (!aNS.IsNull()) {
 970             TDF_Label aLab = aNS->Label();
 971             while(aLab.Depth() != 7 && aLab.Depth() > 5)
 972               aLab = aLab.Father();
 973             ObjectPtr anObj = aDoc->objects()->object(aLab);
 974             if (anObj.get()) {
 975               ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
 976               if (aRes)
 977                 aCont = aRes;
 978             }
 979           }
 980         }
 981       }
 982     }
 983     setValue(aCont, aShapeToBeSelected);
 984   }
 985 }
 986
 987 int Model_AttributeSelection::Id()
 988 {
 989   int anID = 0;
 990   std::shared_ptr<GeomAPI_Shape> aSelection = value();
 991   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
 992   // support for compsolids:
 993   if (context().get() && ModelAPI_Tools::compSolidOwner(context()).get())
 994     aContext = ModelAPI_Tools::compSolidOwner(context())->shape();
 995
 996
 997   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
 998   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
 999   // searching for the latest main shape
1000   if (aSelection && !aSelection->isNull() &&
1001     aContext   && !aContext->isNull())
1002   {
1003     std::shared_ptr<Model_Document> aDoc =
1004       std::dynamic_pointer_cast<Model_Document>(context()->document());
1005     if (aDoc.get()) {
1006       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1007       if (!aNS.IsNull()) {
1008         aMainShape = TNaming_Tool::CurrentShape(aNS);
1009       }
1010     }
1011
1012     TopTools_IndexedMapOfShape aSubShapesMap;
1013     TopExp::MapShapes(aMainShape, aSubShapesMap);
1014     anID = aSubShapesMap.FindIndex(aSubShape);
1015   }
1016   return anID;
1017 }
1018
1019 void Model_AttributeSelection::setId(int theID)
1020 {
1021   const ResultPtr& aContext = context();
1022   std::shared_ptr<GeomAPI_Shape> aSelection;
1023
1024   std::shared_ptr<GeomAPI_Shape> aContextShape = aContext->shape();
1025   // support for compsolids:
1026   if (aContext.get() && ModelAPI_Tools::compSolidOwner(aContext).get())
1027     aContextShape = ModelAPI_Tools::compSolidOwner(aContext)->shape();
1028
1029   TopoDS_Shape aMainShape = aContextShape->impl<TopoDS_Shape>();
1030   // searching for the latest main shape
1031   if (theID > 0 &&
1032       aContextShape && !aContextShape->isNull())
1033   {
1034     std::shared_ptr<Model_Document> aDoc =
1035       std::dynamic_pointer_cast<Model_Document>(aContext->document());
1036     if (aDoc.get()) {
1037       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1038       if (!aNS.IsNull()) {
1039         aMainShape = TNaming_Tool::CurrentShape(aNS);
1040       }
1041     }
1042
1043     TopTools_IndexedMapOfShape aSubShapesMap;
1044     TopExp::MapShapes(aMainShape, aSubShapesMap);
1045     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1046
1047     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1048     aResult->setImpl(new TopoDS_Shape(aSelShape));
1049
1050     aSelection = aResult;
1051   }
1052
1053   setValue(aContext, aSelection);
1054 }
1055
1056 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1057 {
1058   std::string aResult;
1059   if (owner()->document() != theContext->document()) {
1060     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1061       aResult = theContext->document()->kind() + "/";
1062     } else {
1063       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1064         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1065       if (aDocRes.get()) {
1066         aResult = aDocRes->data()->name() + "/";
1067       }
1068     }
1069   }
1070   aResult += theContext->data()->name();
1071   return aResult;
1072 }