src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "Model_AttributeSelection.h"
  22 #include "Model_Application.h"
  23 #include "Model_Events.h"
  24 #include "Model_Data.h"
  25 #include "Model_Document.h"
  26 #include "Model_SelectionNaming.h"
  27 #include <Model_Objects.h>
  28 #include <Model_AttributeSelectionList.h>
  29 #include <Model_ResultConstruction.h>
  30 #include <ModelAPI_Feature.h>
  31 #include <ModelAPI_ResultBody.h>
  32 #include <ModelAPI_ResultBody.h>
  33 #include <ModelAPI_ResultConstruction.h>
  34 #include <ModelAPI_ResultPart.h>
  35 #include <ModelAPI_CompositeFeature.h>
  36 #include <ModelAPI_Tools.h>
  37 #include <ModelAPI_Session.h>
  38 #include <ModelAPI_Validator.h>
  39 #include <Events_InfoMessage.h>
  40 #include <GeomAPI_Edge.h>
  41 #include <GeomAPI_Pnt.h>
  42 #include <GeomAPI_Vertex.h>
  43 #include <GeomAlgoAPI_CompoundBuilder.h>
  44
  45 #include <TNaming_Selector.hxx>
  46 #include <TNaming_NamedShape.hxx>
  47 #include <TNaming_Tool.hxx>
  48 #include <TNaming_Builder.hxx>
  49 #include <TNaming_SameShapeIterator.hxx>
  50 #include <TNaming_Iterator.hxx>
  51 #include <TDataStd_Integer.hxx>
  52 #include <TDataStd_UAttribute.hxx>
  53 #include <TDataStd_Name.hxx>
  54 #include <TopTools_ListOfShape.hxx>
  55 #include <TopTools_DataMapOfShapeShape.hxx>
  56 #include <TopTools_MapOfShape.hxx>
  57 #include <TopExp_Explorer.hxx>
  58 #include <BRep_Tool.hxx>
  59 #include <TopoDS.hxx>
  60 #include <TopExp.hxx>
  61 #include <TDF_ChildIterator.hxx>
  62 #include <TDF_ChildIDIterator.hxx>
  63 #include <TopoDS_Iterator.hxx>
  64 #include <TDF_ChildIDIterator.hxx>
  65 #include <Geom_Circle.hxx>
  66 #include <Geom_Ellipse.hxx>
  67 #include <BRep_Builder.hxx>
  68
  69 //#define DEB_NAMING 1
  70 #ifdef DEB_NAMING
  71 #include <BRepTools.hxx>
  72 #endif
  73 /// added to the index in the packed map to signalize that the vertex of edge is selected
  74 /// (multiplied by the index of the edge)
  75 static const int kSTART_VERTEX_DELTA = 1000000;
  76 // identifier that there is simple reference: selection equals to context
  77 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  78 // reference to Part sub-object
  79 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  80 // selection is invalid after recomputation
  81 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  82
  83 // identifier of the selection of the center of circle on edge
  84 Standard_GUID kCIRCLE_CENTER("d0d0e0f1-217a-4b95-8fbb-0c4132f23718");
  85 // identifier of the selection of the first focus point of ellipse on edge
  86 Standard_GUID kELLIPSE_CENTER1("f70df04c-3168-4dc9-87a4-f1f840c1275d");
  87 // identifier of the selection of the second focus point of ellipse on edge
  88 Standard_GUID kELLIPSE_CENTER2("1395ae73-8e02-4cf8-b204-06ff35873a32");
  89
  90 // prefix for the whole feature context identification
  91 const static std::string kWHOLE_FEATURE = "all-in-";
  92
  93 // on this label is stored:
  94 // TNaming_NamedShape - selected shape
  95 // TNaming_Naming - topological selection information (for the body)
  96 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  97 // TDataStd_Integer - type of the selected shape (for construction)
  98 // TDF_Reference - from ReferenceAttribute, the context
  99 bool Model_AttributeSelection::setValue(const ObjectPtr& theContext,
 100   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 101 {
 102   if (theTemporarily &&
 103       (!theContext.get() || theContext->groupName() != ModelAPI_Feature::group())) {
 104     // just keep the stored without DF update
 105     myTmpContext = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 106     myTmpSubShape = theSubShape;
 107     owner()->data()->sendAttributeUpdated(this);
 108     return true;
 109   } else {
 110     myTmpContext.reset();
 111     myTmpSubShape.reset();
 112     myTmpCenterType = NOT_CENTER;
 113   }
 114
 115   CenterType aType;
 116   const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
 117   bool isOldContext = theContext == myRef.value();
 118   bool isOldShape = isOldContext &&
 119     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 120   if (isOldShape) return false; // shape is the same, so context is also unchanged
 121   bool aToUnblock = false;
 122   // update the referenced object if needed
 123   if (!isOldContext) {
 124     aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
 125     myRef.setValue(theContext);
 126   }
 127
 128   // do noth use naming if selected shape is result shape itself, but not sub-shape
 129   TDF_Label aSelLab = selectionLabel();
 130   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 131   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 132   aSelLab.ForgetAttribute(kCIRCLE_CENTER);
 133   aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
 134   aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 135
 136   bool isDegeneratedEdge = false;
 137   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 138   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 139     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 140     if (aSubShape.ShapeType() == TopAbs_EDGE)
 141       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 142   }
 143   if (!theContext.get() || isDegeneratedEdge) {
 144     // to keep the reference attribute label
 145     TDF_Label aRefLab = myRef.myRef->Label();
 146     aSelLab.ForgetAllAttributes(true);
 147     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 148     if (aToUnblock)
 149       owner()->data()->blockSendAttributeUpdated(false);
 150     return false;
 151   }
 152   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 153     ResultBodyPtr aContextBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);
 154     // do not select the whole shape for body:it is already must be in the data framework
 155     // equal and null selected objects mean the same: object is equal to context,
 156     if (aContextBody->shape().get() &&
 157         (aContextBody->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 158       aSelLab.ForgetAllAttributes(true);
 159       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 160     } else {
 161       selectBody(aContextBody, theSubShape);
 162     }
 163   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 164     ResultConstructionPtr aContextConstruction =
 165       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 166     aSelLab.ForgetAllAttributes(true); // to remove old selection data
 167     std::shared_ptr<Model_ResultConstruction> aConstruction =
 168       std::dynamic_pointer_cast<Model_ResultConstruction>(theContext);
 169     std::shared_ptr<GeomAPI_Shape> aSubShape;
 170     if (theSubShape.get() && !aContextConstruction->shape()->isEqual(theSubShape))
 171       aSubShape = theSubShape; // the whole context
 172     if (aConstruction->isInfinite()) {
 173       // For correct naming selection, put the shape into the naming structure.
 174       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 175       TNaming_Builder aBuilder(aSelLab);
 176       aBuilder.Generated(aContextConstruction->shape()->impl<TopoDS_Shape>());
 177     }
 178     int anIndex = aConstruction->select(theSubShape, owner()->document());
 179     TDataStd_Integer::Set(aSelLab, anIndex);
 180   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 181     aSelLab.ForgetAllAttributes(true);
 182     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 183     selectPart(std::dynamic_pointer_cast<ModelAPI_Result>(theContext), theSubShape);
 184   } else { // check the feature context: parent-Part of this feature should not be used
 185     FeaturePtr aFeatureContext = std::dynamic_pointer_cast<ModelAPI_Feature>(theContext);
 186     if (aFeatureContext.get()) {
 187       if (owner()->document() != aFeatureContext->document()) {
 188         aSelLab.ForgetAllAttributes(true);
 189         myRef.setValue(ObjectPtr());
 190         if (aToUnblock)
 191           owner()->data()->blockSendAttributeUpdated(false);
 192         return false;
 193       }
 194     }
 195   }
 196
 197   owner()->data()->sendAttributeUpdated(this);
 198
 199   if (aToUnblock)
 200     owner()->data()->blockSendAttributeUpdated(false);
 201
 202   return true;
 203 }
 204
 205 void Model_AttributeSelection::setValueCenter(
 206     const ObjectPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
 207     const CenterType theCenterType, const bool theTemporarily)
 208 {
 209   bool anUpdated = setValue(theContext, theEdge, theTemporarily);
 210   if (theTemporarily) {
 211     myTmpCenterType = theCenterType;
 212   } else { // store in the data structure
 213     TDF_Label aSelLab = selectionLabel();
 214     switch(theCenterType) {
 215     case CIRCLE_CENTER:
 216       if (!anUpdated)
 217         anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
 218       TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
 219       break;
 220     case ELLIPSE_FIRST_FOCUS:
 221       if (!anUpdated)
 222         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
 223       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
 224       break;
 225     case ELLIPSE_SECOND_FOCUS:
 226       if (!anUpdated)
 227         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
 228       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
 229       break;
 230     }
 231     if (anUpdated)
 232       owner()->data()->sendAttributeUpdated(this);
 233   }
 234 }
 235
 236 void Model_AttributeSelection::selectValue(
 237     const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
 238 {
 239   CenterType aType;
 240   std::shared_ptr<GeomAPI_Shape> aValue =
 241     std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
 242   if (!aValue.get() || aType == NOT_CENTER) {
 243     setValue(theSource->context(), aValue);
 244   } else {
 245     std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
 246     anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
 247     setValueCenter(theSource->context(), anEdge, aType);
 248   }
 249 }
 250
 251 void Model_AttributeSelection::removeTemporaryValues()
 252 {
 253   if (myTmpContext.get() || myTmpSubShape.get()) {
 254     myTmpContext.reset();
 255     myTmpSubShape.reset();
 256   }
 257 }
 258
 259 // returns the center of the edge: circular or elliptical
 260 GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
 261 {
 262   if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
 263     TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
 264     if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
 265       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
 266       double aFirst, aLast;
 267       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 268       if (!aCurve.IsNull()) {
 269         TopoDS_Vertex aVertex;
 270         BRep_Builder aBuilder;
 271         if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
 272           Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
 273           if (!aCirc.IsNull()) {
 274             aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
 275           }
 276         } else { // ellipse
 277           Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
 278           if (!anEll.IsNull()) {
 279             aBuilder.MakeVertex(aVertex,
 280               theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
 281               anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
 282           }
 283         }
 284         if (!aVertex.IsNull()) {
 285           std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
 286           aResult->setImpl(new TopoDS_Vertex(aVertex));
 287           return aResult;
 288         }
 289       }
 290     }
 291   }
 292   return theEdge; // no vertex, so, return the initial edge
 293 }
 294
 295 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 296 {
 297   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 298     return std::shared_ptr<GeomAPI_Shape>();
 299   CenterType aType = NOT_CENTER;
 300   std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
 301   return centerByEdge(aResult, aType);
 302 }
 303
 304 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
 305 {
 306   theType = NOT_CENTER;
 307   GeomShapePtr aResult;
 308   if (myTmpContext.get() || myTmpSubShape.get()) {
 309     theType = myTmpCenterType;
 310     ResultConstructionPtr aResulConstruction =
 311       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 312     if(aResulConstruction.get()) {
 313       // it is just reference to construction.
 314       return myTmpSubShape;
 315     }
 316     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 317   }
 318
 319   TDF_Label aSelLab = selectionLabel();
 320   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 321     return aResult;
 322
 323   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
 324     theType = CIRCLE_CENTER;
 325   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
 326     theType = ELLIPSE_FIRST_FOCUS;
 327   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
 328     theType = ELLIPSE_SECOND_FOCUS;
 329
 330
 331   if (myRef.isInitialized()) {
 332     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 333       ResultPtr aContext = context();
 334       if (!aContext.get())
 335         return aResult; // empty result
 336       return aContext->shape();
 337     }
 338     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 339       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 340       if (!aPart.get() || !aPart->isActivated())
 341         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 342       Handle(TDataStd_Integer) anIndex;
 343       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 344         if (anIndex->Get()) { // special selection attribute was created, use it
 345           return aPart->selectionValue(anIndex->Get());
 346         } else { // face with name is already in the data model, so try to take it by name
 347           Handle(TDataStd_Name) aName;
 348           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
 349             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 350             std::size_t aPartEnd = aSubShapeName.find('/');
 351             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 352               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 353               int anIndex;
 354               std::string aType; // to reuse already existing selection the type is not needed
 355               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 356             }
 357           }
 358         }
 359       }
 360     }
 361
 362     std::shared_ptr<Model_ResultConstruction> aConstr =
 363       std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 364     if (aConstr) {
 365       if (aConstr->isInfinite())
 366         return aResult; // empty result
 367     }
 368     if (!aConstr.get()) { // for construction context, return empty result as usual even
 369       // the whole feature is selected
 370       FeaturePtr aFeature = contextFeature();
 371       if (aFeature.get()) {
 372         std::list<GeomShapePtr> allShapes;
 373         std::list<ResultPtr>::const_iterator aRes = aFeature->results().cbegin();
 374         for (; aRes != aFeature->results().cend(); aRes++) {
 375           if (aRes->get() && !(*aRes)->isDisabled()) {
 376             GeomShapePtr aShape = (*aRes)->shape();
 377             if (aShape.get() && !aShape->isNull()) {
 378               allShapes.push_back(aShape);
 379             }
 380           }
 381         }
 382         return GeomAlgoAPI_CompoundBuilder::compound(allShapes);
 383       }
 384     }
 385
 386     Handle(TNaming_NamedShape) aSelection;
 387     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 388       TopoDS_Shape aSelShape = aSelection->Get();
 389       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 390       aResult->setImpl(new TopoDS_Shape(aSelShape));
 391     } else if (aConstr) { // simple construction element: just shape of this construction element
 392       Handle(TDataStd_Integer) anIndex;
 393       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 394         if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
 395           return aResult;
 396         return aConstr->shape(anIndex->Get(), owner()->document());
 397       }
 398     }
 399   }
 400   return aResult;
 401 }
 402
 403 bool Model_AttributeSelection::isInvalid()
 404 {
 405   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 406 }
 407
 408 bool Model_AttributeSelection::isInitialized()
 409 {
 410   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 411     std::shared_ptr<GeomAPI_Shape> aResult;
 412     if (myRef.isInitialized()) {
 413       TDF_Label aSelLab = selectionLabel();
 414       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 415         ResultPtr aContext = context();
 416         return aContext.get() != NULL;
 417       }
 418       Handle(TNaming_NamedShape) aSelection;
 419       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 420         return !aSelection->Get().IsNull();
 421       } else { // for simple construction element: just shape of this construction element
 422         std::shared_ptr<Model_ResultConstruction> aConstr =
 423           std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 424         if (aConstr.get()) {
 425           Handle(TDataStd_Integer) anIndex;
 426           if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 427             // for the whole shape it may return null, so, if index exists, returns true
 428             return true;
 429           }
 430         }
 431         // for the whole feature, a feature object
 432         FeaturePtr aFeat = contextFeature();
 433         if (aFeat.get())
 434           return true;
 435       }
 436     }
 437   }
 438   return false;
 439 }
 440
 441 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 442   : myRef(theLabel)
 443 {
 444   myIsInitialized = myRef.isInitialized();
 445   myParent = NULL;
 446 }
 447
 448 void Model_AttributeSelection::setID(const std::string theID)
 449 {
 450   myRef.setID(theID);
 451   ModelAPI_AttributeSelection::setID(theID);
 452 }
 453
 454 ResultPtr Model_AttributeSelection::context()
 455 {
 456   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 457     return ResultPtr();
 458
 459   if (myTmpContext.get() || myTmpSubShape.get()) {
 460     return myTmpContext;
 461   }
 462
 463   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 464   // for parts there could be same-data result, so take the last enabled
 465   if (aResult.get()) {
 466     if(aResult->groupName() == ModelAPI_ResultPart::group()) {
 467       int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 468       for(int a = aSize - 1; a >= 0; a--) {
 469         ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 470         if(aPart.get() && aPart->data() == aResult->data()) {
 471           ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 472           FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 473           // check that this result is not this-feature result (it is forbidden t oselect itself)
 474           if(anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 475             return aPartResult;
 476           }
 477         }
 478       }
 479     }
 480   } else { // if feature - construction is selected, it has only one result, return this result
 481     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 482     if (aFeature.get() && aFeature->results().size() == 1 &&
 483         aFeature->firstResult()->groupName() == ModelAPI_ResultConstruction::group())
 484       return aFeature->firstResult();
 485   }
 486   return aResult;
 487 }
 488
 489 FeaturePtr Model_AttributeSelection::contextFeature() {
 490   if (myTmpContext.get() || myTmpSubShape.get()) {
 491     return FeaturePtr(); // feature can not be selected temporarily
 492   }
 493   return std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 494 }
 495 ObjectPtr Model_AttributeSelection::contextObject() {
 496   FeaturePtr aRes = contextFeature();
 497   if (aRes.get())
 498     return aRes;
 499   return context();
 500 }
 501
 502
 503 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 504 {
 505   ModelAPI_AttributeSelection::setObject(theObject);
 506   myRef.setObject(theObject);
 507 }
 508
 509 TDF_LabelMap& Model_AttributeSelection::scope()
 510 {
 511   if (myScope.IsEmpty()) { // create a new scope if not yet done
 512     // gets all features with named shapes that are before this feature label (before in history)
 513     DocumentPtr aMyDoc = owner()->document();
 514     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 515     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 516     bool aMePassed = false;
 517     CompositeFeaturePtr aComposite =
 518       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 519     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 520     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 521     if (aFeature.get()) {
 522       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 523       if (aCompositeOwner.get()) {
 524          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 525       }
 526     }
 527     // for group Scope is not limitet: this is always up to date objects
 528     // this causes problem in galeries.py
 529     //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 530     for(; aFIter != allFeatures.end(); aFIter++) {
 531       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 532         aMePassed = true;
 533         continue;
 534       }
 535       //if (isGroup) aMePassed = false;
 536       bool isInScope = !aMePassed;
 537       if (!isInScope && aComposite.get()) {
 538         // try to add sub-elements of composite if this is composite
 539         if (aComposite->isSub(*aFIter))
 540           isInScope = true;
 541       }
 542       // remove the composite-owner of this feature (sketch in extrusion-cut)
 543       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 544         isInScope = false;
 545
 546       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 547         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 548           (*aFIter)->data())->label().Father();
 549         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), true);
 550         for(; aNSIter.More(); aNSIter.Next()) {
 551           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 552           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 553             myScope.Add(aNS->Label());
 554           }
 555         }
 556       }
 557     }
 558     // also add all naming labels created for external constructions
 559     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
 560     TDF_Label anExtDocLab = aDoc->extConstructionsLabel();
 561     TDF_ChildIDIterator aNSIter(anExtDocLab, TNaming_NamedShape::GetID(), true);
 562     for(; aNSIter.More(); aNSIter.Next()) {
 563       Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 564       if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 565         myScope.Add(aNS->Label());
 566       }
 567     }
 568   }
 569   return myScope;
 570 }
 571
 572 /// Sets the invalid flag if flag is false, or removes it if "true"
 573 /// Returns theFlag
 574 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 575   if (theFlag) {
 576     theLab.ForgetAttribute(kINVALID_SELECTION);
 577   } else {
 578     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 579   }
 580   return theFlag;
 581 }
 582
 583 void Model_AttributeSelection::split(
 584   ResultPtr theContext, TopoDS_Shape theNewShape, TopAbs_ShapeEnum theType)
 585 {
 586   TopTools_ListOfShape aSubs;
 587   for(TopoDS_Iterator anExplorer(theNewShape); anExplorer.More(); anExplorer.Next()) {
 588     if (!anExplorer.Value().IsNull() &&
 589       anExplorer.Value().ShapeType() == theType) {
 590         aSubs.Append(anExplorer.Value());
 591     } else { // invalid case; bad result shape, so, impossible to split easily
 592       aSubs.Clear();
 593       break;
 594     }
 595   }
 596   if (aSubs.Extent() > 1) { // ok to split
 597     TopTools_ListIteratorOfListOfShape aSub(aSubs);
 598     GeomShapePtr aSubSh(new GeomAPI_Shape);
 599     aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 600     setValue(theContext, aSubSh);
 601     for(aSub.Next(); aSub.More(); aSub.Next()) {
 602       GeomShapePtr aSubSh(new GeomAPI_Shape);
 603       aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 604       myParent->append(theContext, aSubSh);
 605     }
 606   }
 607 }
 608
 609 bool Model_AttributeSelection::update()
 610 {
 611   FeaturePtr aContextFeature = contextFeature();
 612   if (aContextFeature.get()) {
 613     return true;
 614   }
 615   TDF_Label aSelLab = selectionLabel();
 616   ResultPtr aContext = context();
 617   if (!aContext.get())
 618     return setInvalidIfFalse(aSelLab, false);
 619   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 620     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 621   }
 622
 623   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 624     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 625     bool aResult = selectPart(aContext, aNoSelection, true);
 626     aResult = setInvalidIfFalse(aSelLab, aResult);
 627     if (aResult) {
 628       owner()->data()->sendAttributeUpdated(this);
 629     }
 630     return aResult;
 631   }
 632
 633   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 634     // body: just a named shape, use selection mechanism from OCCT
 635     TNaming_Selector aSelector(aSelLab);
 636     TopoDS_Shape anOldShape;
 637     if (!aSelector.NamedShape().IsNull()) {
 638       anOldShape = aSelector.NamedShape()->Get();
 639     }
 640     bool aResult = aSelector.Solve(scope()) == Standard_True;
 641     // must be before sending of updated attribute (1556)
 642     aResult = setInvalidIfFalse(aSelLab, aResult);
 643     TopoDS_Shape aNewShape;
 644     if (!aSelector.NamedShape().IsNull()) {
 645       aNewShape = aSelector.NamedShape()->Get();
 646     }
 647     if (anOldShape.IsNull() || aNewShape.IsNull() ||
 648         !anOldShape.IsEqual(aSelector.NamedShape()->Get())) {
 649       // shape type shoud not not changed: if shape becomes compound of such shapes, then split
 650       if (myParent && !anOldShape.IsNull() && !aNewShape.IsNull() &&
 651           anOldShape.ShapeType() != aNewShape.ShapeType() &&
 652           (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID))
 653       {
 654         split(aContext, aNewShape, anOldShape.ShapeType());
 655       }
 656       owner()->data()->sendAttributeUpdated(this);  // send updated if shape is changed
 657     }
 658     return aResult;
 659   }
 660
 661   if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 662     Handle(TDataStd_Integer) anIndex;
 663     if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 664       std::shared_ptr<Model_ResultConstruction> aConstructionContext =
 665         std::dynamic_pointer_cast<Model_ResultConstruction>(aContext);
 666       bool aModified = true;
 667       bool aValid = aConstructionContext->update(anIndex->Get(), owner()->document(), aModified);
 668       setInvalidIfFalse(aSelLab, aValid);
 669       if (aConstructionContext->isInfinite()) {
 670         // Update the selected shape.
 671         TNaming_Builder aBuilder(aSelLab);
 672         aBuilder.Generated(aConstructionContext->shape()->impl<TopoDS_Shape>());
 673       }
 674       if (aModified)
 675         owner()->data()->sendAttributeUpdated(this);
 676       return aValid;
 677     }
 678   }
 679   return setInvalidIfFalse(aSelLab, false); // unknown case
 680 }
 681
 682 void Model_AttributeSelection::selectBody(
 683   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 684 {
 685   // perform the selection
 686   TNaming_Selector aSel(selectionLabel());
 687   TopoDS_Shape aContext;
 688
 689   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);//myRef.value()
 690   if (aBody) {
 691     aContext = aBody->shape()->impl<TopoDS_Shape>();
 692   } else {
 693     ResultPtr aResult =
 694       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 695     if (aResult) {
 696       aContext = aResult->shape()->impl<TopoDS_Shape>();
 697     } else {
 698       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 699       return;
 700     }
 701   }
 702
 703   // with "recover" feature the selected context may be not up to date (issue 1710)
 704   Handle(TNaming_NamedShape) aResult;
 705   TDF_Label aSelLab = selectionLabel();
 706   TopoDS_Shape aNewContext = aContext;
 707   bool isUpdated = true;
 708   while(!aNewContext.IsNull() && isUpdated) {
 709     // searching for the very last shape that was produced from this one
 710     isUpdated = false;
 711     if (!TNaming_Tool::HasLabel(aSelLab, aNewContext))
 712       // to avoid crash of TNaming_SameShapeIterator if pure shape does not exists
 713       break;
 714     for(TNaming_SameShapeIterator anIter(aNewContext, aSelLab); anIter.More(); anIter.Next()) {
 715       TDF_Label aNSLab = anIter.Label();
 716       if (!scope().Contains(aNSLab))
 717         continue;
 718       Handle(TNaming_NamedShape) aNS;
 719       if (aNSLab.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 720         for(TNaming_Iterator aShapesIter(aNS); aShapesIter.More(); aShapesIter.Next()) {
 721           if (aShapesIter.Evolution() == TNaming_SELECTED)
 722             continue; // don't use the selection evolution
 723           if (!aShapesIter.OldShape().IsNull() && aShapesIter.OldShape().IsSame(aNewContext)) {
 724              // found the original shape
 725             aNewContext = aShapesIter.NewShape(); // go to the newer shape
 726             isUpdated = true;
 727             break;
 728           }
 729         }
 730       }
 731     }
 732   }
 733   if (aNewContext.IsNull()) { // a context is already deleted
 734     setInvalidIfFalse(aSelLab, false);
 735     Events_InfoMessage("Model_AttributeSelection", "Failed to select shape already deleted").send();
 736     return;
 737   }
 738
 739   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 740   if (!aNewSub.IsEqual(aContext)) { // searching for subshape in the new context
 741     bool isFound = false;
 742     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
 743     for(; anExp.More(); anExp.Next()) {
 744       if (anExp.Current().IsSame(aNewSub)) {
 745         isFound = true;
 746         break;
 747       }
 748     }
 749     if (!isFound) { // sub-shape is not found in the up-to-date instance of the context shape
 750       // if context is sub-result of compound/compsolid, selection of sub-shape better propagate to
 751       // the main result (which is may be modified); the case is in 1799
 752       ResultBodyPtr aMain = ModelAPI_Tools::bodyOwner(theContext);
 753       while(ModelAPI_Tools::bodyOwner(aMain).get())
 754         aMain = ModelAPI_Tools::bodyOwner(theContext);
 755       if (aMain.get()) {
 756         selectBody(aMain, theSubShape);
 757         return;
 758       }
 759       setInvalidIfFalse(aSelLab, false);
 760       Events_InfoMessage("Model_AttributeSelection",
 761         "Failed to select sub-shape already modified").send();
 762       return;
 763     }
 764   }
 765
 766   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 767   if (!aContext.IsNull()) {
 768     FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 769     bool aEraseResults = false;
 770     if (aFeatureOwner.get()) {
 771       aEraseResults = !aFeatureOwner->results().empty();
 772       if (aEraseResults) // erase results without flash deleted and redisplay: do it after Select
 773         aFeatureOwner->removeResults(0, false, false);
 774     }
 775     aSel.Select(aNewSub, aNewContext);
 776
 777     if (aEraseResults) { // flash after Select : in Groups it makes selection with shift working
 778       static Events_Loop* aLoop = Events_Loop::loop();
 779       static const Events_ID kDeletedEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 780       aLoop->flush(kDeletedEvent);
 781     }
 782   }
 783 }
 784
 785 bool Model_AttributeSelection::selectPart(
 786   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 787   const bool theUpdate)
 788 {
 789   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 790   if (!aPart.get() || !aPart->isActivated())
 791     return true; // postponed naming
 792   if (theUpdate) {
 793     Handle(TDataStd_Integer) anIndex;
 794     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 795       // by internal selection
 796       if (anIndex->Get() > 0) {
 797         // update the selection by index
 798         return aPart->updateInPart(anIndex->Get());
 799       } else {
 800         return true; // nothing to do, referencing just by name
 801       }
 802     }
 803     return true; // nothing to do, referencing just by name
 804   }
 805   // store the shape (in case part is not loaded it should be useful
 806   TopoDS_Shape aShape;
 807   std::string aName = theContext->data()->name();
 808   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 809     aShape = theContext->shape()->impl<TopoDS_Shape>();
 810   } else {
 811     aShape = theSubShape->impl<TopoDS_Shape>();
 812     int anIndex;
 813     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 814     TDataStd_Integer::Set(selectionLabel(), anIndex);
 815   }
 816   TNaming_Builder aBuilder(selectionLabel());
 817   aBuilder.Select(aShape, aShape);
 818   // identify by name in the part
 819   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 820   return !aName.empty();
 821 }
 822
 823 TDF_Label Model_AttributeSelection::selectionLabel()
 824 {
 825   return myRef.myRef->Label().FindChild(1);
 826 }
 827
 828 /// prefixes of the shape names with centers defined
 829 static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
 830
 831 /// returns the map that contains all possible prefixes of the center-names
 832 static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
 833 {
 834   if (kCENTERS_PREFIX.empty()) { // fill map by initial values
 835     kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
 836     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
 837     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
 838   }
 839   return kCENTERS_PREFIX;
 840 }
 841
 842 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 843 {
 844   std::string aName("");
 845   if(!this->isInitialized())
 846     return !theDefaultName.empty() ? theDefaultName : aName;
 847
 848   CenterType aCenterType = NOT_CENTER;
 849   std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
 850   ResultPtr aCont = context();
 851
 852   if (!aCont.get() ||
 853       (aCont->groupName() == ModelAPI_ResultConstruction::group() && contextFeature().get())) {
 854     // selection of a full feature
 855     FeaturePtr aFeatureCont = contextFeature();
 856     if (aFeatureCont.get()) {
 857       return kWHOLE_FEATURE + aFeatureCont->name();
 858     }
 859     // in case of selection of removed result
 860     return "";
 861   }
 862
 863   Model_SelectionNaming aSelNaming(selectionLabel());
 864   std::string aResult = aSelNaming.namingName(
 865     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 866   if (aCenterType != NOT_CENTER) {
 867     aResult += centersMap()[aCenterType];
 868   }
 869   return aResult;
 870 }
 871
 872 // returns the center type and modifies the shape name if this name is center-name
 873 static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
 874 {
 875   std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
 876     centersMap().begin();
 877   for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
 878     std::size_t aFound = theShapeName.find(aPrefixIter->second);
 879     if (aFound != std::string::npos &&
 880         aFound == theShapeName.size() - aPrefixIter->second.size()) {
 881       theShapeName = theShapeName.substr(0, aFound);
 882       return aPrefixIter->first;
 883     }
 884   }
 885   return ModelAPI_AttributeSelection::NOT_CENTER;
 886 }
 887
 888 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 889 void Model_AttributeSelection::selectSubShape(
 890   const std::string& theType, const std::string& theSubShapeName)
 891 {
 892   if(theSubShapeName.empty() || theType.empty()) return;
 893
 894   std::string aSubShapeName = theSubShapeName;
 895   CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
 896     centerTypeByName(aSubShapeName) : NOT_CENTER;
 897   std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
 898
 899   // first iteration is selection by name without center prefix, second - in case of problem,
 900   // try with initial name
 901   for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
 902     if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
 903       aSubShapeName = theSubShapeName;
 904       aCenterType = NOT_CENTER;
 905       aType = theType;
 906     } else if (aUseCenter != 1) continue;
 907
 908     // check this is Part-name: 2 delimiters in the name
 909     std::size_t aPartEnd = aSubShapeName.find('/');
 910     if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 911       std::string aPartName = aSubShapeName.substr(0, aPartEnd);
 912       ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 913       if (aFound.get()) { // found such part, so asking it for the name
 914         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 915         std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 916         int anIndex;
 917         std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
 918         if (aSelected.get()) {
 919           if (aCenterType != NOT_CENTER) {
 920             if (!aSelected->isEdge())
 921               continue;
 922             std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
 923             setValueCenter(aPart, aSelectedEdge, aCenterType);
 924           } else
 925             setValue(aPart, aSelected);
 926           TDataStd_Integer::Set(selectionLabel(), anIndex);
 927           return;
 928         }
 929       }
 930     }
 931
 932     std::shared_ptr<Model_Document> aDoc =
 933       std::dynamic_pointer_cast<Model_Document>(owner()->document());
 934     // check this is a whole feature context
 935     if (aSubShapeName.size() > kWHOLE_FEATURE.size() &&
 936       aSubShapeName.substr(0, kWHOLE_FEATURE.size()) == kWHOLE_FEATURE) {
 937       std::string aFeatureName = aSubShapeName.substr(kWHOLE_FEATURE.size());
 938       ObjectPtr anObj = aDoc->objectByName(ModelAPI_Feature::group(), aFeatureName);
 939       if (anObj.get()) {
 940         static const GeomShapePtr anEmptyShape;
 941         setValue(anObj, anEmptyShape);
 942         return;
 943       }
 944     }
 945
 946     Model_SelectionNaming aSelNaming(selectionLabel());
 947     std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 948     ResultPtr aCont;
 949     if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 950       // try to find the last context to find the up to date shape
 951       if (aCont->shape().get() && !aCont->shape()->isNull() &&
 952         aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
 953         const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
 954         if (!aConShape.IsNull()) {
 955           Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
 956           if (!aNS.IsNull()) {
 957             aNS = TNaming_Tool::CurrentNamedShape(aNS);
 958             if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
 959               TDF_Label aLab = aNS->Label();
 960               if (aLab.Depth() % 2 == 0)
 961                 aLab = aLab.Father();
 962               ObjectPtr anObj = aDoc->objects()->object(aLab);
 963               while(!anObj.get() && aLab.Depth() > 5) {
 964                 aLab = aLab.Father().Father();
 965                 anObj = aDoc->objects()->object(aLab);
 966               }
 967
 968               if (anObj.get()) {
 969                 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
 970                 if (aRes)
 971                   aCont = aRes;
 972               }
 973             }
 974           }
 975         }
 976       }
 977       // if compsolid is context, try to take sub-solid as context: like in GUI and scripts
 978       if (aCont.get() && aShapeToBeSelected.get()) {
 979         ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aCont);
 980         if (aComp && aComp->numberOfSubs()) {
 981           std::list<ResultPtr> allSubs;
 982           ModelAPI_Tools::allSubs(aComp, allSubs);
 983           std::list<ResultPtr>::iterator aS = allSubs.begin();
 984           for(; aS != allSubs.end(); aS++) {
 985             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aS);
 986             if (aSub && aSub->numberOfSubs() == 0 && aSub->shape().get() &&
 987                 aSub->shape()->isSubShape(aShapeToBeSelected)) {
 988               aCont = aSub;
 989               break;
 990             }
 991           }
 992         }
 993       }
 994       // try to find the latest active result that must be used instead of the selected
 995       // to set the active context (like in GUI selection), not concealed one
 996       bool aFindNewContext = true;
 997       while(aFindNewContext && aCont.get()) {
 998         aFindNewContext = false;
 999         // take references to all results: root one, any sub
1000         ResultBodyPtr aCompContext = ModelAPI_Tools::bodyOwner(aCont, true);
1001         std::list<ResultPtr> allRes;
1002         if (aCompContext.get()) {
1003           ModelAPI_Tools::allSubs(aCompContext, allRes);
1004           allRes.push_back(aCompContext);
1005         } else {
1006           allRes.push_back(aCont);
1007         }
1008         for(std::list<ResultPtr>::iterator aSub = allRes.begin(); aSub != allRes.end(); aSub++) {
1009           ResultPtr aResCont = *aSub;
1010           ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResCont);
1011           // only lower and higher level subs are counted
1012           if (aResBody.get() && aResBody->numberOfSubs() > 0 && aResBody != aCompContext)
1013             continue;
1014           const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
1015           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1016           for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
1017             if (!aRef->get() || !(*aRef)->owner().get())
1018               continue;
1019             // concealed attribute only
1020             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1021             if (!ModelAPI_Session::get()->validators()->isConcealed(
1022               aRefFeat->getKind(), (*aRef)->id()))
1023               continue;
1024             // search the feature result that contains sub-shape selected
1025             std::list<std::shared_ptr<ModelAPI_Result> > aResults;
1026
1027             // take all sub-results or one result
1028             std::list<ResultPtr> aRefFeatResults;
1029             ModelAPI_Tools::allResults(aRefFeat, aRefFeatResults);
1030             std::list<ResultPtr>::iterator aRefResIter = aRefFeatResults.begin();
1031             for(; aRefResIter != aRefFeatResults.end(); aRefResIter++) {
1032               ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRefResIter);
1033               if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1034                 aResults.push_back(aBody);
1035             }
1036             std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
1037             for(; aResIter != aResults.end(); aResIter++) {
1038               if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
1039                 continue;
1040               GeomShapePtr aShape = (*aResIter)->shape();
1041               GeomShapePtr aSelectedShape =
1042                 aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
1043               if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
1044                 aCont = *aResIter; // found new context (produced from this) with same subshape
1045                 aFindNewContext = true; // continue searching futher
1046                 break;
1047               }
1048             }
1049           }
1050         }
1051       }
1052
1053       if (aCenterType != NOT_CENTER) {
1054         if (!aShapeToBeSelected->isEdge())
1055           continue;
1056         std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
1057         setValueCenter(aCont, aSelectedEdge, aCenterType);
1058       } else
1059         setValue(aCont, aShapeToBeSelected);
1060       return;
1061     }
1062   }
1063
1064   TDF_Label aSelLab = selectionLabel();
1065   setInvalidIfFalse(aSelLab, false);
1066   reset();
1067 }
1068
1069
1070 // Check the point is within shape's bounding box
1071 static bool isPointWithinBB(const GeomPointPtr& thePoint, const GeomShapePtr& theShape)
1072 {
1073   double aXMin, aXMax, aYMin, aYMax, aZMin, aZMax;
1074   theShape->computeSize(aXMin, aYMin, aZMin, aXMax, aYMax, aZMax);
1075   return thePoint->x() >= aXMin - Precision::Confusion() &&
1076          thePoint->x() <= aXMax + Precision::Confusion() &&
1077          thePoint->y() >= aYMin - Precision::Confusion() &&
1078          thePoint->y() <= aYMax + Precision::Confusion() &&
1079          thePoint->z() >= aZMin - Precision::Confusion() &&
1080          thePoint->z() <= aZMax + Precision::Confusion();
1081 }
1082
1083 // Select sub-shape of the given type, which contains the given point
1084 static GeomShapePtr findSubShape(const GeomShapePtr& theShape,
1085                                    const GeomAPI_Shape::ShapeType& theType,
1086                                    const GeomPointPtr& thePoint)
1087 {
1088   std::list<GeomShapePtr> aSubs = theShape->subShapes(theType);
1089   for (std::list<GeomShapePtr>::const_iterator aSubIt = aSubs.begin();
1090     aSubIt != aSubs.end(); ++aSubIt) {
1091     if ((*aSubIt)->middlePoint()->distance(thePoint) < Precision::Confusion())
1092       return *aSubIt;
1093   }
1094
1095   // not found
1096   return GeomShapePtr();
1097 }
1098
1099 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1100                                               const GeomPointPtr& thePoint)
1101 {
1102   if (theType.empty() || !thePoint)
1103     return;
1104
1105   GeomAPI_Shape::ShapeType aType = GeomAPI_Shape::shapeTypeByStr(theType);
1106   GeomShapePtr aFoundSubShape;
1107
1108   std::list<FeaturePtr> aFeatures = owner()->document()->allFeatures();
1109   // Process results of all features from the last to the first
1110   // to find appropriate sub-shape
1111   for (std::list<FeaturePtr>::const_reverse_iterator anIt = aFeatures.rbegin();
1112        anIt != aFeatures.rend(); ++anIt) {
1113     const std::list<ResultPtr>& aResults = (*anIt)->results();
1114     for (std::list<ResultPtr>::const_iterator aResIt = aResults.begin();
1115          aResIt != aResults.end(); ++aResIt) {
1116       GeomShapePtr aCurShape = (*aResIt)->shape();
1117       // first of all, check the point is within bounding box of the result
1118       if (!isPointWithinBB(thePoint, aCurShape))
1119         continue;
1120       // now, process all sub-shapes of the given type and check their inner points
1121       aFoundSubShape = findSubShape(aCurShape, aType, thePoint);
1122       if (aFoundSubShape) {
1123         setValue(*aResIt, aFoundSubShape);
1124         return;
1125       }
1126
1127       // special case for ResultConstruction if the FACE is selected
1128       ResultConstructionPtr aResConstr =
1129           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIt);
1130       if (aResConstr && aType >= GeomAPI_Shape::FACE) {
1131         int aNbFaces = aResConstr->facesNum();
1132         for (int aFaceInd = 0; aFaceInd < aNbFaces; ++aFaceInd) {
1133           GeomFacePtr aCurFace = aResConstr->face(aFaceInd);
1134           // check the point is within bounding box of the face
1135           if (!isPointWithinBB(thePoint, aCurFace))
1136             continue;
1137           aFoundSubShape = findSubShape(aCurFace, aType, thePoint);
1138           if (aFoundSubShape) {
1139             setValue(*aResIt, aFoundSubShape);
1140             return;
1141           }
1142         }
1143       }
1144     }
1145   }
1146
1147   TDF_Label aSelLab = selectionLabel();
1148   setInvalidIfFalse(aSelLab, false);
1149   reset();
1150 }
1151
1152 int Model_AttributeSelection::Id()
1153 {
1154   int anID = 0;
1155   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1156   ResultPtr aContextRes = context();
1157   // support for compsolids:
1158   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1159     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1160   }
1161   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1162
1163
1164   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1165   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1166   // searching for the latest main shape
1167   if (aSelection && !aSelection->isNull() && aContext && !aContext->isNull())
1168   {
1169     std::shared_ptr<Model_Document> aDoc =
1170       std::dynamic_pointer_cast<Model_Document>(context()->document());
1171     if (aDoc.get()) {
1172       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1173       if (!aNS.IsNull()) {
1174         aMainShape = TNaming_Tool::CurrentShape(aNS);
1175       }
1176     }
1177
1178     TopTools_IndexedMapOfShape aSubShapesMap;
1179     TopExp::MapShapes(aMainShape, aSubShapesMap);
1180     anID = aSubShapesMap.FindIndex(aSubShape);
1181   }
1182   return anID;
1183 }
1184
1185 void Model_AttributeSelection::setId(int theID)
1186 {
1187   std::shared_ptr<GeomAPI_Shape> aSelection;
1188
1189   ResultPtr aContextRes = context();
1190   // support for compsolids:
1191   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1192     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1193   }
1194   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1195
1196   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1197   // searching for the latest main shape
1198   if (theID > 0 && aContext && !aContext->isNull())
1199   {
1200     std::shared_ptr<Model_Document> aDoc =
1201       std::dynamic_pointer_cast<Model_Document>(aContextRes->document());
1202     if (aDoc.get()) {
1203       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1204       if (!aNS.IsNull()) {
1205         aMainShape = TNaming_Tool::CurrentShape(aNS);
1206       }
1207     }
1208
1209     TopTools_IndexedMapOfShape aSubShapesMap;
1210     TopExp::MapShapes(aMainShape, aSubShapesMap);
1211     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1212
1213     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1214     aResult->setImpl(new TopoDS_Shape(aSelShape));
1215
1216     aSelection = aResult;
1217   }
1218
1219   setValue(aContextRes, aSelection);
1220 }
1221
1222 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1223 {
1224   std::string aResult;
1225   if (owner()->document() != theContext->document()) {
1226     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1227       aResult = theContext->document()->kind() + "/";
1228     } else {
1229       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1230         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1231       if (aDocRes.get()) {
1232         aResult = aDocRes->data()->name() + "/";
1233       }
1234     }
1235   }
1236   aResult += theContext->data()->name();
1237   return aResult;
1238 }
1239
1240 void Model_AttributeSelection::computeValues(
1241   ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
1242   TopTools_ListOfShape& theShapes)
1243 {
1244   bool aWasWholeContext = theValShape.IsNull();
1245   if (aWasWholeContext) {
1246     //theShapes.Append(theValShape);
1247     //return;
1248     theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
1249   }
1250   //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
1251   TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
1252   //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
1253     //theShapes.Append(aNewContShape);
1254     //return;
1255   //}
1256   // if a new value is unchanged in the new context, do nothing: value is correct
1257   TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
1258   for(; aSubExp.More(); aSubExp.Next()) {
1259     if (aSubExp.Current().IsSame(theValShape)) {
1260       theShapes.Append(theValShape);
1261       return;
1262     }
1263   }
1264   // if new context becomes compsolid, the resulting sub may be in sub-solids
1265   std::list<ResultPtr> aNewToIterate;
1266   aNewToIterate.push_back(theNewContext);
1267   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theNewContext);
1268   if (aComp.get()) {
1269     std::list<ResultPtr> allNewContextSubs;
1270     ModelAPI_Tools::allSubs(aComp, allNewContextSubs);
1271     std::list<ResultPtr>::iterator aSub = allNewContextSubs.begin();
1272     for(; aSub != allNewContextSubs.end(); aSub++) {
1273       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSub);
1274       if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1275         aNewToIterate.push_back(aBody);
1276     }
1277   }
1278
1279   // first iteration: searching for the whole shape appearance (like face of the box)
1280   // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
1281   int aToFindPart = 0;
1282   TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
1283   TopTools_MapOfShape anOlds; // to know how many olds produced new containers
1284   for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
1285     std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
1286     for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
1287       std::shared_ptr<Model_Data> aNewData =
1288         std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
1289       TDF_Label aNewLab = aNewData->label();
1290       // searching for produced sub-shape fully on some label
1291       TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
1292       for(; aNSIter.More(); aNSIter.Next()) {
1293         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
1294         for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
1295           if (aToFindPart == 0) { // search shape is fully inside
1296             if (aPairIter.OldShape().IsSame(theValShape)) {
1297               if (aPairIter.NewShape().IsNull()) {// value was removed
1298                 theShapes.Clear();
1299                 return;
1300               }
1301               theShapes.Append(aPairIter.NewShape());
1302             }
1303           } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
1304             TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
1305             for(; anExp.More(); anExp.Next()) {
1306               if (anExp.Current().IsSame(theValShape)) { // found a new container
1307                 if (aPairIter.NewShape().IsNull()) {// value was removed
1308                   theShapes.Clear();
1309                   return;
1310                 }
1311                 aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
1312                 anOlds.Add(aPairIter.OldShape());
1313                 break;
1314               }
1315             }
1316           }
1317         }
1318       }
1319     }
1320   }
1321   if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
1322     // map of sub-shapes -> number of occurences of these shapes in containers
1323     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
1324     TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
1325     for(; aContIter.More(); aContIter.Next()) {
1326       TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
1327       for(; aSubExp.More(); aSubExp.Next()) {
1328         if (!aSubs.IsBound(aSubExp.Current())) {
1329           aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
1330         }
1331         // store old to know how many olds produced this shape
1332         aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
1333       }
1334     }
1335     // if sub is appeared same times in containers as the number of old shapes that contain it
1336     int aCountInOld = anOlds.Size();
1337     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
1338       aSubsIter(aSubs);
1339     for(; aSubsIter.More(); aSubsIter.Next()) {
1340       if (aSubsIter.Value().Size() == aCountInOld) {
1341         theShapes.Append(aSubsIter.Key());
1342       }
1343     }
1344   }
1345   if (theShapes.IsEmpty()) { // nothing was changed
1346     theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
1347   }
1348 }
1349
1350 bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
1351   const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
1352   TDF_Label theAccessLabel,
1353   std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
1354 {
1355   std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
1356   TopTools_ListOfShape aResContShapes;
1357   // iterate context and shape, but also if it is sub-shape of main shape, check also it
1358   TopTools_ListOfShape aContextList;
1359   aContextList.Append(theContShape);
1360   if (theContext.get()) {
1361     ResultPtr aComposite = ModelAPI_Tools::bodyOwner(theContext);
1362     if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
1363       aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
1364   }
1365   for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
1366     TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), theAccessLabel);
1367     for(; aModifIter.More(); aModifIter.Next()) {
1368       TDF_Label anObjLab = aModifIter.Label().Father();
1369       ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1370         (theDoc->objects()->object(anObjLab));
1371       if (!aModifierObj.get()) {
1372         // #2241: shape may be sub-element of new object, not main (shell created from faces)
1373         if (!anObjLab.IsRoot())
1374           aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1375           (theDoc->objects()->object(anObjLab.Father()));
1376         if (!aModifierObj.get())
1377           continue;
1378       }
1379       FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
1380       if (!aModifierFeat.get())
1381         continue;
1382       FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1383       if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
1384         continue; // the modifier feature is later than this, so, should not be used
1385       FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
1386       if (aCurrentModifierFeat == aModifierFeat ||
1387         theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
1388         continue; // the current modifier is later than the found, so, useless
1389       Handle(TNaming_NamedShape) aNewNS;
1390       aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
1391       if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
1392         aResults.insert(aModifierObj);
1393         //TNaming_Iterator aPairIter(aNewNS);
1394         //aResContShapes.Append(aPairIter.NewShape());
1395         aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
1396       } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
1397         aResults.insert(ResultPtr());
1398       } else { // not-precessed modification => don't support it
1399         continue;
1400       }
1401     }
1402   }
1403   if (aResults.empty())
1404     return false; // no modifications found, must stay the same
1405   // iterate all results to find futher modifications
1406   std::set<ResultPtr>::iterator aResIter = aResults.begin();
1407   for(; aResIter != aResults.end(); aResIter++) {
1408     if (aResIter->get() != NULL) {
1409       // compute new values by two contextes: the old and the new
1410       TopTools_ListOfShape aValShapes;
1411       computeValues(theContext, *aResIter, theValShape, aValShapes);
1412
1413       TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
1414       for(; aNewVal.More(); aNewVal.Next()) {
1415         std::list<ResultPtr> aNewRes;
1416         TopTools_ListOfShape aNewUpdatedVal;
1417         TopoDS_Shape aNewValSh = aNewVal.Value();
1418         TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
1419         if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
1420           aNewValSh.Nullify();
1421         if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
1422                              theAccessLabel, aNewRes, aNewUpdatedVal))
1423         {
1424           // appeand new results instead of the current ones
1425           std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
1426           TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
1427           for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
1428             theResults.push_back(*aNewIter);
1429             theValShapes.Append(aNewUpdVal.Value());
1430           }
1431         } else { // the current result is good
1432           theResults.push_back(*aResIter);
1433           theValShapes.Append(aNewValSh);
1434         }
1435       }
1436     }
1437   }
1438   return true; // theResults must be empty: everything is deleted
1439 }
1440
1441 void Model_AttributeSelection::updateInHistory()
1442 {
1443   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
1444   // only bodies and parts may be modified later in the history, don't do anything otherwise
1445   if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
1446       aContext->groupName() != ModelAPI_ResultPart::group()))
1447     return;
1448   std::shared_ptr<Model_Document> aDoc =
1449     std::dynamic_pointer_cast<Model_Document>(aContext->document());
1450   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
1451   if (!aContData.get() || !aContData->isValid())
1452     return;
1453   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
1454   Handle(TNaming_NamedShape) aContNS;
1455   if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
1456     bool aFoundNewContext = true;
1457     ResultPtr aNewContext = aContext;
1458     while(aFoundNewContext) {
1459       aFoundNewContext = false;
1460       // parts have no shape in result, so, trace references using the Part info
1461       if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
1462         ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
1463         if (aPartContext.get()) { // searching for the up to date references to the referenced cont
1464           const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
1465           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1466           for(; aRef != aRefs.end(); aRef++) {
1467             // to avoid detection of part changes by local selection only
1468             AttributeSelectionPtr aSel =
1469               std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
1470             if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
1471               continue;
1472
1473             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1474             if (aRefFeat.get() && aRefFeat != owner()) {
1475               FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1476               if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
1477                 aFoundNewContext = true;
1478                 aNewContext = aRefFeat->firstResult();
1479               }
1480             }
1481           }
1482         }
1483       }
1484     }
1485     if (aNewContext != aContext) {
1486       setValue(aNewContext, value());
1487     }
1488     return;
1489   }
1490   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1491   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
1492   // iterate the context shape modifications in order to find a feature that is upper in history
1493   // that this one and is really modifies the referenced result to refer to it
1494   ResultPtr aModifierResFound;
1495   TNaming_Iterator aPairIter(aContNS);
1496   if (!aPairIter.More())
1497     return;
1498   TopoDS_Shape aNewCShape = aPairIter.NewShape();
1499   bool anIterate = true;
1500   // trying to update also the sub-shape selected
1501   GeomShapePtr aSubShape = value();
1502   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
1503     aSubShape.reset();
1504   TopoDS_Shape aValShape;
1505   if (aSubShape.get()) {
1506     aValShape = aSubShape->impl<TopoDS_Shape>();
1507   }
1508
1509   std::list<ResultPtr> aNewContexts;
1510   TopTools_ListOfShape aValShapes;
1511   if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
1512   {
1513     // update scope to reset to a new one
1514     myScope.Clear();
1515
1516     std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
1517     TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
1518     if (aNewCont == aNewContexts.end()) { // all results were deleted
1519       ResultPtr anEmptyContext;
1520       std::shared_ptr<GeomAPI_Shape> anEmptyShape;
1521       setValue(anEmptyContext, anEmptyShape); // nullify the selection
1522       return;
1523     }
1524
1525     GeomShapePtr aValueShape;
1526     if (!aNewValues.Value().IsNull()) {
1527       aValueShape = std::make_shared<GeomAPI_Shape>();
1528       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1529     }
1530     setValue(*aNewCont, aValueShape);
1531     // if there are more than one result, put them by "append" into "parent" list
1532     if (myParent) {
1533       for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
1534           aNewCont++, aNewValues.Next()) {
1535         GeomShapePtr aValueShape;
1536         if (!aNewValues.Value().IsNull()) {
1537           aValueShape = std::make_shared<GeomAPI_Shape>();
1538           aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1539         }
1540
1541         // Check that list has the same type of shape selection before adding.
1542         GeomAPI_Shape::ShapeType aListShapeType = GeomAPI_Shape::SHAPE;
1543         if (myParent->selectionType() == "VERTEX") aListShapeType = GeomAPI_Shape::VERTEX;
1544         else if (myParent->selectionType() == "EDGE") aListShapeType = GeomAPI_Shape::EDGE;
1545         else if (myParent->selectionType() == "FACE") aListShapeType = GeomAPI_Shape::FACE;
1546
1547         GeomAPI_Shape::ShapeType aShapeShapeType = GeomAPI_Shape::SHAPE;
1548         if (aValueShape.get()) {
1549           aShapeShapeType = aValueShape->shapeType();
1550         } else {
1551           (*aNewCont)->shape()->shapeType();
1552         }
1553
1554         if (aListShapeType != GeomAPI_Shape::SHAPE && aListShapeType != aShapeShapeType) {
1555           continue;
1556         }
1557
1558         myParent->append(*aNewCont, aValueShape);
1559       }
1560     }
1561   }
1562 }
1563
1564 void Model_AttributeSelection::setParent(Model_AttributeSelectionList* theParent)
1565 {
1566   myParent = theParent;
1567 }