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 <ModelGeomAlgo_Shape.h>
  40 #include <Events_InfoMessage.h>
  41 #include <GeomAPI_Edge.h>
  42 #include <GeomAPI_Pnt.h>
  43 #include <GeomAPI_ShapeIterator.h>
  44 #include <GeomAPI_Vertex.h>
  45 #include <GeomAlgoAPI_CompoundBuilder.h>
  46 #include <GeomAlgoAPI_NExplode.h>
  47
  48 #include <TNaming_Selector.hxx>
  49 #include <TNaming_NamedShape.hxx>
  50 #include <TNaming_Tool.hxx>
  51 #include <TNaming_Builder.hxx>
  52 #include <TNaming_SameShapeIterator.hxx>
  53 #include <TNaming_Iterator.hxx>
  54 #include <TDataStd_Integer.hxx>
  55 #include <TDataStd_UAttribute.hxx>
  56 #include <TDataStd_Name.hxx>
  57 #include <TopTools_ListOfShape.hxx>
  58 #include <TopTools_DataMapOfShapeShape.hxx>
  59 #include <TopTools_MapOfShape.hxx>
  60 #include <TopExp_Explorer.hxx>
  61 #include <BRep_Tool.hxx>
  62 #include <TopoDS.hxx>
  63 #include <TopExp.hxx>
  64 #include <TDF_ChildIterator.hxx>
  65 #include <TDF_ChildIDIterator.hxx>
  66 #include <TopoDS_Iterator.hxx>
  67 #include <TDF_ChildIDIterator.hxx>
  68 #include <Geom_Circle.hxx>
  69 #include <Geom_Ellipse.hxx>
  70 #include <BRep_Builder.hxx>
  71
  72 //#define DEB_NAMING 1
  73 #ifdef DEB_NAMING
  74 #include <BRepTools.hxx>
  75 #endif
  76 /// added to the index in the packed map to signalize that the vertex of edge is selected
  77 /// (multiplied by the index of the edge)
  78 static const int kSTART_VERTEX_DELTA = 1000000;
  79 // identifier that there is simple reference: selection equals to context
  80 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  81 // reference to Part sub-object
  82 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  83 // selection is invalid after recomputation
  84 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  85
  86 // identifier of the selection of the center of circle on edge
  87 Standard_GUID kCIRCLE_CENTER("d0d0e0f1-217a-4b95-8fbb-0c4132f23718");
  88 // identifier of the selection of the first focus point of ellipse on edge
  89 Standard_GUID kELLIPSE_CENTER1("f70df04c-3168-4dc9-87a4-f1f840c1275d");
  90 // identifier of the selection of the second focus point of ellipse on edge
  91 Standard_GUID kELLIPSE_CENTER2("1395ae73-8e02-4cf8-b204-06ff35873a32");
  92
  93 // prefix for the whole feature context identification
  94 const static std::string kWHOLE_FEATURE = "all-in-";
  95
  96 // on this label is stored:
  97 // TNaming_NamedShape - selected shape
  98 // TNaming_Naming - topological selection information (for the body)
  99 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
 100 // TDataStd_Integer - type of the selected shape (for construction)
 101 // TDF_Reference - from ReferenceAttribute, the context
 102 bool Model_AttributeSelection::setValue(const ObjectPtr& theContext,
 103   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 104 {
 105   if (theTemporarily &&
 106       (!theContext.get() || theContext->groupName() != ModelAPI_Feature::group())) {
 107     // just keep the stored without DF update
 108     myTmpContext = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 109     myTmpSubShape = theSubShape;
 110     owner()->data()->sendAttributeUpdated(this);
 111     return true;
 112   } else {
 113     myTmpContext.reset();
 114     myTmpSubShape.reset();
 115     myTmpCenterType = NOT_CENTER;
 116   }
 117
 118   CenterType aType;
 119   const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
 120   bool isOldContext = theContext == myRef.value();
 121   bool isOldShape = isOldContext &&
 122     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 123   if (isOldShape) return false; // shape is the same, so context is also unchanged
 124   bool aToUnblock = false;
 125   // update the referenced object if needed
 126   if (!isOldContext) {
 127     aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
 128     myRef.setValue(theContext);
 129   }
 130
 131   // do noth use naming if selected shape is result shape itself, but not sub-shape
 132   TDF_Label aSelLab = selectionLabel();
 133   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 134   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 135   aSelLab.ForgetAttribute(kCIRCLE_CENTER);
 136   aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
 137   aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 138
 139   bool isDegeneratedEdge = false;
 140   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 141   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 142     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 143     if (aSubShape.ShapeType() == TopAbs_EDGE)
 144       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 145   }
 146   if (!theContext.get() || isDegeneratedEdge) {
 147     // to keep the reference attribute label
 148     TDF_Label aRefLab = myRef.myRef->Label();
 149     aSelLab.ForgetAllAttributes(true);
 150     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 151     if (aToUnblock)
 152       owner()->data()->blockSendAttributeUpdated(false);
 153     return false;
 154   }
 155   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 156     ResultBodyPtr aContextBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);
 157     // do not select the whole shape for body:it is already must be in the data framework
 158     // equal and null selected objects mean the same: object is equal to context,
 159     if (aContextBody->shape().get() &&
 160         (aContextBody->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 161       aSelLab.ForgetAllAttributes(true);
 162       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 163     } else {
 164       selectBody(aContextBody, theSubShape);
 165     }
 166   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 167     ResultConstructionPtr aContextConstruction =
 168       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 169     aSelLab.ForgetAllAttributes(true); // to remove old selection data
 170     std::shared_ptr<Model_ResultConstruction> aConstruction =
 171       std::dynamic_pointer_cast<Model_ResultConstruction>(theContext);
 172     std::shared_ptr<GeomAPI_Shape> aSubShape;
 173     if (theSubShape.get() && !aContextConstruction->shape()->isEqual(theSubShape))
 174       aSubShape = theSubShape; // the whole context
 175     if (aConstruction->isInfinite()) {
 176       // For correct naming selection, put the shape into the naming structure.
 177       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 178       TNaming_Builder aBuilder(aSelLab);
 179       aBuilder.Generated(aContextConstruction->shape()->impl<TopoDS_Shape>());
 180     }
 181     int anIndex = aConstruction->select(theSubShape, owner()->document());
 182     TDataStd_Integer::Set(aSelLab, anIndex);
 183   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 184     aSelLab.ForgetAllAttributes(true);
 185     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 186     selectPart(std::dynamic_pointer_cast<ModelAPI_Result>(theContext), theSubShape);
 187   } else { // check the feature context: parent-Part of this feature should not be used
 188     FeaturePtr aFeatureContext = std::dynamic_pointer_cast<ModelAPI_Feature>(theContext);
 189     if (aFeatureContext.get()) {
 190       if (owner()->document() != aFeatureContext->document()) {
 191         aSelLab.ForgetAllAttributes(true);
 192         myRef.setValue(ObjectPtr());
 193         if (aToUnblock)
 194           owner()->data()->blockSendAttributeUpdated(false);
 195         return false;
 196       }
 197     }
 198   }
 199
 200   owner()->data()->sendAttributeUpdated(this);
 201
 202   if (aToUnblock)
 203     owner()->data()->blockSendAttributeUpdated(false);
 204
 205   return true;
 206 }
 207
 208 void Model_AttributeSelection::setValueCenter(
 209     const ObjectPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
 210     const CenterType theCenterType, const bool theTemporarily)
 211 {
 212   bool anUpdated = setValue(theContext, theEdge, theTemporarily);
 213   if (theTemporarily) {
 214     myTmpCenterType = theCenterType;
 215   } else { // store in the data structure
 216     TDF_Label aSelLab = selectionLabel();
 217     switch(theCenterType) {
 218     case CIRCLE_CENTER:
 219       if (!anUpdated)
 220         anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
 221       TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
 222       break;
 223     case ELLIPSE_FIRST_FOCUS:
 224       if (!anUpdated)
 225         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
 226       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
 227       break;
 228     case ELLIPSE_SECOND_FOCUS:
 229       if (!anUpdated)
 230         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
 231       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
 232       break;
 233     }
 234     if (anUpdated)
 235       owner()->data()->sendAttributeUpdated(this);
 236   }
 237 }
 238
 239 void Model_AttributeSelection::selectValue(
 240     const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
 241 {
 242   CenterType aType;
 243   std::shared_ptr<GeomAPI_Shape> aValue =
 244     std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
 245   if (!aValue.get() || aType == NOT_CENTER) {
 246     setValue(theSource->context(), aValue);
 247   } else {
 248     std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
 249     anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
 250     setValueCenter(theSource->context(), anEdge, aType);
 251   }
 252 }
 253
 254 void Model_AttributeSelection::removeTemporaryValues()
 255 {
 256   if (myTmpContext.get() || myTmpSubShape.get()) {
 257     myTmpContext.reset();
 258     myTmpSubShape.reset();
 259   }
 260 }
 261
 262 // returns the center of the edge: circular or elliptical
 263 GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
 264 {
 265   if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
 266     TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
 267     if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
 268       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
 269       double aFirst, aLast;
 270       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 271       if (!aCurve.IsNull()) {
 272         TopoDS_Vertex aVertex;
 273         BRep_Builder aBuilder;
 274         if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
 275           Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
 276           if (!aCirc.IsNull()) {
 277             aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
 278           }
 279         } else { // ellipse
 280           Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
 281           if (!anEll.IsNull()) {
 282             aBuilder.MakeVertex(aVertex,
 283               theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
 284               anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
 285           }
 286         }
 287         if (!aVertex.IsNull()) {
 288           std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
 289           aResult->setImpl(new TopoDS_Vertex(aVertex));
 290           return aResult;
 291         }
 292       }
 293     }
 294   }
 295   return theEdge; // no vertex, so, return the initial edge
 296 }
 297
 298 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 299 {
 300   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 301     return std::shared_ptr<GeomAPI_Shape>();
 302   CenterType aType = NOT_CENTER;
 303   std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
 304   return centerByEdge(aResult, aType);
 305 }
 306
 307 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
 308 {
 309   theType = NOT_CENTER;
 310   GeomShapePtr aResult;
 311   if (myTmpContext.get() || myTmpSubShape.get()) {
 312     theType = myTmpCenterType;
 313     ResultConstructionPtr aResulConstruction =
 314       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 315     if(aResulConstruction.get()) {
 316       // it is just reference to construction.
 317       return myTmpSubShape;
 318     }
 319     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 320   }
 321
 322   TDF_Label aSelLab = selectionLabel();
 323   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 324     return aResult;
 325
 326   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
 327     theType = CIRCLE_CENTER;
 328   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
 329     theType = ELLIPSE_FIRST_FOCUS;
 330   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
 331     theType = ELLIPSE_SECOND_FOCUS;
 332
 333
 334   if (myRef.isInitialized()) {
 335     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 336       ResultPtr aContext = context();
 337       if (!aContext.get())
 338         return aResult; // empty result
 339       return aContext->shape();
 340     }
 341     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 342       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 343       if (!aPart.get() || !aPart->isActivated())
 344         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 345       Handle(TDataStd_Integer) anIndex;
 346       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 347         if (anIndex->Get()) { // special selection attribute was created, use it
 348           return aPart->selectionValue(anIndex->Get());
 349         } else { // face with name is already in the data model, so try to take it by name
 350           Handle(TDataStd_Name) aName;
 351           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
 352             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 353             std::size_t aPartEnd = aSubShapeName.find('/');
 354             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 355               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 356               int anIndex;
 357               std::string aType; // to reuse already existing selection the type is not needed
 358               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 359             }
 360           }
 361         }
 362       }
 363     }
 364
 365     std::shared_ptr<Model_ResultConstruction> aConstr =
 366       std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 367     if (aConstr) {
 368       if (aConstr->isInfinite())
 369         return aResult; // empty result
 370     }
 371     if (!aConstr.get()) { // for construction context, return empty result as usual even
 372       // the whole feature is selected
 373       FeaturePtr aFeature = contextFeature();
 374       if (aFeature.get()) {
 375         std::list<GeomShapePtr> allShapes;
 376         std::list<ResultPtr>::const_iterator aRes = aFeature->results().cbegin();
 377         for (; aRes != aFeature->results().cend(); aRes++) {
 378           if (aRes->get() && !(*aRes)->isDisabled()) {
 379             GeomShapePtr aShape = (*aRes)->shape();
 380             if (aShape.get() && !aShape->isNull()) {
 381               allShapes.push_back(aShape);
 382             }
 383           }
 384         }
 385         return GeomAlgoAPI_CompoundBuilder::compound(allShapes);
 386       }
 387     }
 388
 389     Handle(TNaming_NamedShape) aSelection;
 390     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 391       TopoDS_Shape aSelShape = aSelection->Get();
 392       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 393       aResult->setImpl(new TopoDS_Shape(aSelShape));
 394     } else if (aConstr) { // simple construction element: just shape of this construction element
 395       Handle(TDataStd_Integer) anIndex;
 396       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 397         if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
 398           return aResult;
 399         return aConstr->shape(anIndex->Get(), owner()->document());
 400       }
 401     }
 402   }
 403   return aResult;
 404 }
 405
 406 bool Model_AttributeSelection::isInvalid()
 407 {
 408   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 409 }
 410
 411 bool Model_AttributeSelection::isInitialized()
 412 {
 413   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 414     std::shared_ptr<GeomAPI_Shape> aResult;
 415     if (myRef.isInitialized()) {
 416       TDF_Label aSelLab = selectionLabel();
 417       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 418         ResultPtr aContext = context();
 419         return aContext.get() != NULL;
 420       }
 421       Handle(TNaming_NamedShape) aSelection;
 422       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 423         return !aSelection->Get().IsNull();
 424       } else { // for simple construction element: just shape of this construction element
 425         std::shared_ptr<Model_ResultConstruction> aConstr =
 426           std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 427         if (aConstr.get()) {
 428           Handle(TDataStd_Integer) anIndex;
 429           if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 430             // for the whole shape it may return null, so, if index exists, returns true
 431             return true;
 432           }
 433         }
 434         // for the whole feature, a feature object
 435         FeaturePtr aFeat = contextFeature();
 436         if (aFeat.get())
 437           return true;
 438       }
 439     }
 440   }
 441   return false;
 442 }
 443
 444 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 445   : myRef(theLabel)
 446 {
 447   myIsInitialized = myRef.isInitialized();
 448   myParent = NULL;
 449 }
 450
 451 void Model_AttributeSelection::setID(const std::string theID)
 452 {
 453   myRef.setID(theID);
 454   ModelAPI_AttributeSelection::setID(theID);
 455   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 456   // TODO: check if parent list have geometrical selection flag.
 457   myIsGeometricalSelection =
 458     ModelAPI_Session::get()->validators()->isGeometricalSelection(aFeature->getKind(), id());
 459 }
 460
 461 ResultPtr Model_AttributeSelection::context()
 462 {
 463   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 464     return ResultPtr();
 465
 466   if (myTmpContext.get() || myTmpSubShape.get()) {
 467     return myTmpContext;
 468   }
 469
 470   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 471   // for parts there could be same-data result, so take the last enabled
 472   if (aResult.get()) {
 473     if(aResult->groupName() == ModelAPI_ResultPart::group()) {
 474       int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 475       for(int a = aSize - 1; a >= 0; a--) {
 476         ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 477         if(aPart.get() && aPart->data() == aResult->data()) {
 478           ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 479           FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 480           // check that this result is not this-feature result (it is forbidden t oselect itself)
 481           if(anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 482             return aPartResult;
 483           }
 484         }
 485       }
 486     }
 487   } else { // if feature - construction is selected, it has only one result, return this result
 488     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 489     if (aFeature.get() && aFeature->results().size() == 1 &&
 490         aFeature->firstResult()->groupName() == ModelAPI_ResultConstruction::group())
 491       return aFeature->firstResult();
 492   }
 493   return aResult;
 494 }
 495
 496 FeaturePtr Model_AttributeSelection::contextFeature() {
 497   if (myTmpContext.get() || myTmpSubShape.get()) {
 498     return FeaturePtr(); // feature can not be selected temporarily
 499   }
 500   return std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 501 }
 502 ObjectPtr Model_AttributeSelection::contextObject() {
 503   FeaturePtr aRes = contextFeature();
 504   if (aRes.get())
 505     return aRes;
 506   return context();
 507 }
 508
 509
 510 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 511 {
 512   ModelAPI_AttributeSelection::setObject(theObject);
 513   myRef.setObject(theObject);
 514 }
 515
 516 TDF_LabelMap& Model_AttributeSelection::scope()
 517 {
 518   if (myScope.IsEmpty()) { // create a new scope if not yet done
 519     // gets all features with named shapes that are before this feature label (before in history)
 520     DocumentPtr aMyDoc = owner()->document();
 521     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 522     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 523     bool aMePassed = false;
 524     CompositeFeaturePtr aComposite =
 525       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 526     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 527     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 528     if (aFeature.get()) {
 529       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 530       if (aCompositeOwner.get()) {
 531          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 532       }
 533     }
 534     // for group Scope is not limitet: this is always up to date objects
 535     // this causes problem in galeries.py
 536     //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 537     for(; aFIter != allFeatures.end(); aFIter++) {
 538       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 539         aMePassed = true;
 540         continue;
 541       }
 542       //if (isGroup) aMePassed = false;
 543       bool isInScope = !aMePassed;
 544       if (!isInScope && aComposite.get()) {
 545         // try to add sub-elements of composite if this is composite
 546         if (aComposite->isSub(*aFIter))
 547           isInScope = true;
 548       }
 549       // remove the composite-owner of this feature (sketch in extrusion-cut)
 550       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 551         isInScope = false;
 552
 553       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 554         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 555           (*aFIter)->data())->label().Father();
 556         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), true);
 557         for(; aNSIter.More(); aNSIter.Next()) {
 558           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 559           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 560             myScope.Add(aNS->Label());
 561           }
 562         }
 563       }
 564     }
 565     // also add all naming labels created for external constructions
 566     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
 567     TDF_Label anExtDocLab = aDoc->extConstructionsLabel();
 568     TDF_ChildIDIterator aNSIter(anExtDocLab, TNaming_NamedShape::GetID(), true);
 569     for(; aNSIter.More(); aNSIter.Next()) {
 570       Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 571       if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 572         myScope.Add(aNS->Label());
 573       }
 574     }
 575   }
 576   return myScope;
 577 }
 578
 579 /// Sets the invalid flag if flag is false, or removes it if "true"
 580 /// Returns theFlag
 581 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 582   if (theFlag) {
 583     theLab.ForgetAttribute(kINVALID_SELECTION);
 584   } else {
 585     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 586   }
 587   return theFlag;
 588 }
 589
 590 void Model_AttributeSelection::split(
 591   ResultPtr theContext, TopoDS_Shape theNewShape, TopAbs_ShapeEnum theType)
 592 {
 593   TopTools_ListOfShape aSubs;
 594   for(TopoDS_Iterator anExplorer(theNewShape); anExplorer.More(); anExplorer.Next()) {
 595     if (!anExplorer.Value().IsNull() &&
 596       anExplorer.Value().ShapeType() == theType) {
 597         aSubs.Append(anExplorer.Value());
 598     } else { // invalid case; bad result shape, so, impossible to split easily
 599       aSubs.Clear();
 600       break;
 601     }
 602   }
 603   if (aSubs.Extent() > 1) { // ok to split
 604     TopTools_ListIteratorOfListOfShape aSub(aSubs);
 605     GeomShapePtr aSubSh(new GeomAPI_Shape);
 606     aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 607     setValue(theContext, aSubSh);
 608     for(aSub.Next(); aSub.More(); aSub.Next()) {
 609       GeomShapePtr aSubSh(new GeomAPI_Shape);
 610       aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 611       myParent->append(theContext, aSubSh);
 612     }
 613   }
 614 }
 615
 616 bool Model_AttributeSelection::update()
 617 {
 618   FeaturePtr aContextFeature = contextFeature();
 619   if (aContextFeature.get()) {
 620     return true;
 621   }
 622   TDF_Label aSelLab = selectionLabel();
 623   ResultPtr aContext = context();
 624   if (!aContext.get())
 625     return setInvalidIfFalse(aSelLab, false);
 626   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 627     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 628   }
 629
 630   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 631     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 632     bool aResult = selectPart(aContext, aNoSelection, true);
 633     aResult = setInvalidIfFalse(aSelLab, aResult);
 634     if (aResult) {
 635       owner()->data()->sendAttributeUpdated(this);
 636     }
 637     return aResult;
 638   }
 639
 640   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 641     // body: just a named shape, use selection mechanism from OCCT
 642     TNaming_Selector aSelector(aSelLab);
 643     TopoDS_Shape anOldShape;
 644     if (!aSelector.NamedShape().IsNull()) {
 645       anOldShape = aSelector.NamedShape()->Get();
 646     }
 647     bool aResult = aSelector.Solve(scope()) == Standard_True;
 648     // must be before sending of updated attribute (1556)
 649     aResult = setInvalidIfFalse(aSelLab, aResult);
 650     TopoDS_Shape aNewShape;
 651     if (!aSelector.NamedShape().IsNull()) {
 652       aNewShape = aSelector.NamedShape()->Get();
 653     }
 654     if (anOldShape.IsNull() || aNewShape.IsNull() ||
 655         !anOldShape.IsEqual(aSelector.NamedShape()->Get())) {
 656       // shape type shoud not not changed: if shape becomes compound of such shapes, then split
 657       if (myParent && !anOldShape.IsNull() && !aNewShape.IsNull() &&
 658           anOldShape.ShapeType() != aNewShape.ShapeType() &&
 659           (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID))
 660       {
 661         split(aContext, aNewShape, anOldShape.ShapeType());
 662       }
 663       owner()->data()->sendAttributeUpdated(this);  // send updated if shape is changed
 664     }
 665     return aResult;
 666   }
 667
 668   if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 669     Handle(TDataStd_Integer) anIndex;
 670     if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 671       std::shared_ptr<Model_ResultConstruction> aConstructionContext =
 672         std::dynamic_pointer_cast<Model_ResultConstruction>(aContext);
 673       bool aModified = true;
 674       bool aValid = aConstructionContext->update(anIndex->Get(), owner()->document(), aModified);
 675       setInvalidIfFalse(aSelLab, aValid);
 676       if (aConstructionContext->isInfinite()) {
 677         // Update the selected shape.
 678         TNaming_Builder aBuilder(aSelLab);
 679         aBuilder.Generated(aConstructionContext->shape()->impl<TopoDS_Shape>());
 680       }
 681       if (aModified)
 682         owner()->data()->sendAttributeUpdated(this);
 683       return aValid;
 684     }
 685   }
 686   return setInvalidIfFalse(aSelLab, false); // unknown case
 687 }
 688
 689 void Model_AttributeSelection::selectBody(
 690   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 691 {
 692   // perform the selection
 693   TNaming_Selector aSel(selectionLabel());
 694   TopoDS_Shape aContext;
 695
 696   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);//myRef.value()
 697   if (aBody) {
 698     aContext = aBody->shape()->impl<TopoDS_Shape>();
 699   } else {
 700     ResultPtr aResult =
 701       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 702     if (aResult) {
 703       aContext = aResult->shape()->impl<TopoDS_Shape>();
 704     } else {
 705       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 706       return;
 707     }
 708   }
 709
 710   // with "recover" feature the selected context may be not up to date (issue 1710)
 711   Handle(TNaming_NamedShape) aResult;
 712   TDF_Label aSelLab = selectionLabel();
 713   TopoDS_Shape aNewContext = aContext;
 714   bool isUpdated = true;
 715   while(!aNewContext.IsNull() && isUpdated) {
 716     // searching for the very last shape that was produced from this one
 717     isUpdated = false;
 718     if (!TNaming_Tool::HasLabel(aSelLab, aNewContext))
 719       // to avoid crash of TNaming_SameShapeIterator if pure shape does not exists
 720       break;
 721     for(TNaming_SameShapeIterator anIter(aNewContext, aSelLab); anIter.More(); anIter.Next()) {
 722       TDF_Label aNSLab = anIter.Label();
 723       if (!scope().Contains(aNSLab))
 724         continue;
 725       Handle(TNaming_NamedShape) aNS;
 726       if (aNSLab.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 727         for(TNaming_Iterator aShapesIter(aNS); aShapesIter.More(); aShapesIter.Next()) {
 728           if (aShapesIter.Evolution() == TNaming_SELECTED)
 729             continue; // don't use the selection evolution
 730           if (!aShapesIter.OldShape().IsNull() && aShapesIter.OldShape().IsSame(aNewContext)) {
 731              // found the original shape
 732             aNewContext = aShapesIter.NewShape(); // go to the newer shape
 733             isUpdated = true;
 734             break;
 735           }
 736         }
 737       }
 738     }
 739   }
 740   if (aNewContext.IsNull()) { // a context is already deleted
 741     setInvalidIfFalse(aSelLab, false);
 742     Events_InfoMessage("Model_AttributeSelection", "Failed to select shape already deleted").send();
 743     return;
 744   }
 745
 746   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 747   if (!aNewSub.IsEqual(aContext)) { // searching for subshape in the new context
 748     bool isFound = false;
 749     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
 750     for(; anExp.More(); anExp.Next()) {
 751       if (anExp.Current().IsSame(aNewSub)) {
 752         isFound = true;
 753         break;
 754       }
 755     }
 756     if (!isFound) { // sub-shape is not found in the up-to-date instance of the context shape
 757       // if context is sub-result of compound/compsolid, selection of sub-shape better propagate to
 758       // the main result (which is may be modified); the case is in 1799
 759       ResultBodyPtr aMain = ModelAPI_Tools::bodyOwner(theContext);
 760       while(ModelAPI_Tools::bodyOwner(aMain).get())
 761         aMain = ModelAPI_Tools::bodyOwner(theContext);
 762       if (aMain.get()) {
 763         selectBody(aMain, theSubShape);
 764         return;
 765       }
 766       setInvalidIfFalse(aSelLab, false);
 767       Events_InfoMessage("Model_AttributeSelection",
 768         "Failed to select sub-shape already modified").send();
 769       return;
 770     }
 771   }
 772
 773   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 774   if (!aContext.IsNull()) {
 775     FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 776     bool aEraseResults = false;
 777     if (aFeatureOwner.get()) {
 778       aEraseResults = !aFeatureOwner->results().empty();
 779       if (aEraseResults) // erase results without flash deleted and redisplay: do it after Select
 780         aFeatureOwner->removeResults(0, false, false);
 781     }
 782     aSel.Select(aNewSub, aNewContext, myIsGeometricalSelection);
 783     // face may become divided after the model update, so, new labels may be added to the scope
 784     myScope.Clear();
 785
 786     if (aEraseResults) { // flash after Select : in Groups it makes selection with shift working
 787       static Events_Loop* aLoop = Events_Loop::loop();
 788       static const Events_ID kDeletedEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 789       aLoop->flush(kDeletedEvent);
 790     }
 791   }
 792 }
 793
 794 bool Model_AttributeSelection::selectPart(
 795   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 796   const bool theUpdate)
 797 {
 798   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 799   if (!aPart.get() || !aPart->isActivated())
 800     return true; // postponed naming
 801   if (theUpdate) {
 802     Handle(TDataStd_Integer) anIndex;
 803     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 804       // by internal selection
 805       if (anIndex->Get() > 0) {
 806         // update the selection by index
 807         return aPart->updateInPart(anIndex->Get());
 808       } else {
 809         return true; // nothing to do, referencing just by name
 810       }
 811     }
 812     return true; // nothing to do, referencing just by name
 813   }
 814   // store the shape (in case part is not loaded it should be useful
 815   TopoDS_Shape aShape;
 816   std::string aName = theContext->data()->name();
 817   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 818     aShape = theContext->shape()->impl<TopoDS_Shape>();
 819   } else {
 820     aShape = theSubShape->impl<TopoDS_Shape>();
 821     int anIndex;
 822     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 823     TDataStd_Integer::Set(selectionLabel(), anIndex);
 824   }
 825   TNaming_Builder aBuilder(selectionLabel());
 826   aBuilder.Select(aShape, aShape);
 827   // identify by name in the part
 828   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 829   return !aName.empty();
 830 }
 831
 832 TDF_Label Model_AttributeSelection::selectionLabel()
 833 {
 834   return myRef.myRef->Label().FindChild(1);
 835 }
 836
 837 /// prefixes of the shape names with centers defined
 838 static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
 839
 840 /// returns the map that contains all possible prefixes of the center-names
 841 static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
 842 {
 843   if (kCENTERS_PREFIX.empty()) { // fill map by initial values
 844     kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
 845     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
 846     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
 847   }
 848   return kCENTERS_PREFIX;
 849 }
 850
 851 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 852 {
 853   std::string aName("");
 854   if(!this->isInitialized())
 855     return !theDefaultName.empty() ? theDefaultName : aName;
 856
 857   CenterType aCenterType = NOT_CENTER;
 858   std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
 859   ResultPtr aCont = context();
 860
 861   if (!aCont.get() ||
 862       (aCont->groupName() == ModelAPI_ResultConstruction::group() && contextFeature().get())) {
 863     // selection of a full feature
 864     FeaturePtr aFeatureCont = contextFeature();
 865     if (aFeatureCont.get()) {
 866       return kWHOLE_FEATURE + aFeatureCont->name();
 867     }
 868     // in case of selection of removed result
 869     return "";
 870   }
 871
 872   if (myIsGeometricalSelection
 873       && aSubSh.get()
 874       && aSubSh->isCompound())
 875   {
 876     GeomAPI_ShapeIterator anIt(aSubSh);
 877     aSubSh = anIt.current();
 878   }
 879
 880   Model_SelectionNaming aSelNaming(selectionLabel());
 881   std::string aResult = aSelNaming.namingName(
 882     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 883   if (aCenterType != NOT_CENTER) {
 884     aResult += centersMap()[aCenterType];
 885   }
 886   return aResult;
 887 }
 888
 889 // returns the center type and modifies the shape name if this name is center-name
 890 static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
 891 {
 892   std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
 893     centersMap().begin();
 894   for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
 895     std::size_t aFound = theShapeName.find(aPrefixIter->second);
 896     if (aFound != std::string::npos &&
 897         aFound == theShapeName.size() - aPrefixIter->second.size()) {
 898       theShapeName = theShapeName.substr(0, aFound);
 899       return aPrefixIter->first;
 900     }
 901   }
 902   return ModelAPI_AttributeSelection::NOT_CENTER;
 903 }
 904
 905 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 906 void Model_AttributeSelection::selectSubShape(
 907   const std::string& theType, const std::string& theSubShapeName)
 908 {
 909   if(theSubShapeName.empty() || theType.empty()) return;
 910
 911   std::string aSubShapeName = theSubShapeName;
 912   CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
 913     centerTypeByName(aSubShapeName) : NOT_CENTER;
 914   std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
 915
 916   // first iteration is selection by name without center prefix, second - in case of problem,
 917   // try with initial name
 918   for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
 919     if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
 920       aSubShapeName = theSubShapeName;
 921       aCenterType = NOT_CENTER;
 922       aType = theType;
 923     } else if (aUseCenter != 1) continue;
 924
 925     // check this is Part-name: 2 delimiters in the name
 926     std::size_t aPartEnd = aSubShapeName.find('/');
 927     if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 928       std::string aPartName = aSubShapeName.substr(0, aPartEnd);
 929       ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 930       if (aFound.get()) { // found such part, so asking it for the name
 931         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 932         std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 933         int anIndex;
 934         std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
 935         if (aSelected.get()) {
 936           if (aCenterType != NOT_CENTER) {
 937             if (!aSelected->isEdge())
 938               continue;
 939             std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
 940             setValueCenter(aPart, aSelectedEdge, aCenterType);
 941           } else
 942             setValue(aPart, aSelected);
 943           TDataStd_Integer::Set(selectionLabel(), anIndex);
 944           return;
 945         }
 946       }
 947     }
 948
 949     std::shared_ptr<Model_Document> aDoc =
 950       std::dynamic_pointer_cast<Model_Document>(owner()->document());
 951     // check this is a whole feature context
 952     if (aSubShapeName.size() > kWHOLE_FEATURE.size() &&
 953       aSubShapeName.substr(0, kWHOLE_FEATURE.size()) == kWHOLE_FEATURE) {
 954       std::string aFeatureName = aSubShapeName.substr(kWHOLE_FEATURE.size());
 955       ObjectPtr anObj = aDoc->objectByName(ModelAPI_Feature::group(), aFeatureName);
 956       if (anObj.get()) {
 957         static const GeomShapePtr anEmptyShape;
 958         setValue(anObj, anEmptyShape);
 959         return;
 960       }
 961     }
 962
 963     Model_SelectionNaming aSelNaming(selectionLabel());
 964     std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 965     ResultPtr aCont;
 966     if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 967       // try to find the last context to find the up to date shape
 968       if (aCont->shape().get() && !aCont->shape()->isNull() &&
 969         aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
 970         const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
 971         if (!aConShape.IsNull()) {
 972           Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
 973           if (!aNS.IsNull()) {
 974             aNS = TNaming_Tool::CurrentNamedShape(aNS);
 975             if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
 976               TDF_Label aLab = aNS->Label();
 977               if (aLab.Depth() % 2 == 0)
 978                 aLab = aLab.Father();
 979               ObjectPtr anObj = aDoc->objects()->object(aLab);
 980               while(!anObj.get() && aLab.Depth() > 5) {
 981                 aLab = aLab.Father().Father();
 982                 anObj = aDoc->objects()->object(aLab);
 983               }
 984
 985               if (anObj.get()) {
 986                 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
 987                 if (aRes)
 988                   aCont = aRes;
 989               }
 990             }
 991           }
 992         }
 993       }
 994       // if compsolid is context, try to take sub-solid as context: like in GUI and scripts
 995       if (aCont.get() && aShapeToBeSelected.get()) {
 996         ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aCont);
 997         if (aComp && aComp->numberOfSubs()) {
 998           std::list<ResultPtr> allSubs;
 999           ModelAPI_Tools::allSubs(aComp, allSubs);
1000           std::list<ResultPtr>::iterator aS = allSubs.begin();
1001           for(; aS != allSubs.end(); aS++) {
1002             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aS);
1003             if (aSub && aSub->numberOfSubs() == 0 && aSub->shape().get() &&
1004                 aSub->shape()->isSubShape(aShapeToBeSelected)) {
1005               aCont = aSub;
1006               break;
1007             }
1008           }
1009         }
1010       }
1011       // try to find the latest active result that must be used instead of the selected
1012       // to set the active context (like in GUI selection), not concealed one
1013       bool aFindNewContext = true;
1014       while(aFindNewContext && aCont.get()) {
1015         aFindNewContext = false;
1016         // take references to all results: root one, any sub
1017         ResultBodyPtr aCompContext = ModelAPI_Tools::bodyOwner(aCont, true);
1018         std::list<ResultPtr> allRes;
1019         if (aCompContext.get()) {
1020           ModelAPI_Tools::allSubs(aCompContext, allRes);
1021           allRes.push_back(aCompContext);
1022         } else {
1023           allRes.push_back(aCont);
1024         }
1025         for(std::list<ResultPtr>::iterator aSub = allRes.begin(); aSub != allRes.end(); aSub++) {
1026           ResultPtr aResCont = *aSub;
1027           ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResCont);
1028           // only lower and higher level subs are counted
1029           if (aResBody.get() && aResBody->numberOfSubs() > 0 && aResBody != aCompContext)
1030             continue;
1031           const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
1032           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1033           for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
1034             if (!aRef->get() || !(*aRef)->owner().get())
1035               continue;
1036             // concealed attribute only
1037             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1038             if (!ModelAPI_Session::get()->validators()->isConcealed(
1039               aRefFeat->getKind(), (*aRef)->id()))
1040               continue;
1041             // search the feature result that contains sub-shape selected
1042             std::list<std::shared_ptr<ModelAPI_Result> > aResults;
1043
1044             // take all sub-results or one result
1045             std::list<ResultPtr> aRefFeatResults;
1046             ModelAPI_Tools::allResults(aRefFeat, aRefFeatResults);
1047             std::list<ResultPtr>::iterator aRefResIter = aRefFeatResults.begin();
1048             for(; aRefResIter != aRefFeatResults.end(); aRefResIter++) {
1049               ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRefResIter);
1050               if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1051                 aResults.push_back(aBody);
1052             }
1053             std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
1054             for(; aResIter != aResults.end(); aResIter++) {
1055               if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
1056                 continue;
1057               GeomShapePtr aShape = (*aResIter)->shape();
1058               GeomShapePtr aSelectedShape =
1059                 aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
1060               if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
1061                 aCont = *aResIter; // found new context (produced from this) with same subshape
1062                 aFindNewContext = true; // continue searching futher
1063                 break;
1064               }
1065             }
1066           }
1067         }
1068       }
1069
1070       if (aCenterType != NOT_CENTER) {
1071         if (!aShapeToBeSelected->isEdge())
1072           continue;
1073         std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
1074         setValueCenter(aCont, aSelectedEdge, aCenterType);
1075       } else
1076         setValue(aCont, aShapeToBeSelected);
1077       return;
1078     }
1079   }
1080
1081   TDF_Label aSelLab = selectionLabel();
1082   setInvalidIfFalse(aSelLab, false);
1083   reset();
1084 }
1085
1086 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1087                                               const GeomPointPtr& thePoint)
1088 {
1089   if (theType.empty() || !thePoint)
1090     return;
1091
1092   // list of parent features
1093   FeaturePtr anOwner = ModelAPI_Feature::feature(owner());
1094   std::set<FeaturePtr> aParents = ModelAPI_Tools::getParents(anOwner);
1095
1096   int aSelectionIndex = 0;
1097   GeomAPI_Shape::ShapeType aType = GeomAPI_Shape::shapeTypeByStr(theType);
1098   if (aType == GeomAPI_Shape::SHAPE) {
1099     // possibly, the string consists of the type and the index,
1100     // thus, try to separate them
1101     size_t aUndersporePos = theType.find_first_of('_');
1102     if (aUndersporePos != std::string::npos)
1103       aType = GeomAPI_Shape::shapeTypeByStr(theType.substr(0, aUndersporePos));
1104
1105     if (aType != GeomAPI_Shape::SHAPE) {
1106       for (std::string::const_iterator aChar = theType.begin() + aUndersporePos + 1;
1107            aChar != theType.end(); ++aChar) {
1108         if (std::isdigit(*aChar))
1109           aSelectionIndex = aSelectionIndex * 10 + (*aChar - '0');
1110         else {
1111           aSelectionIndex = 1;
1112           break;
1113         }
1114       }
1115       aSelectionIndex -= 1;
1116     }
1117   }
1118
1119   std::list<ModelGeomAlgo_Shape::SubshapeOfResult> anAppropriate;
1120
1121   // collect features from PartSet and the current part
1122   SessionPtr aSession = ModelAPI_Session::get();
1123   std::list<FeaturePtr> aFeatures = aSession->moduleDocument()->allFeatures();
1124   if (aSession->moduleDocument() != owner()->document()) {
1125     std::list<FeaturePtr> aPartFeatures = owner()->document()->allFeatures();
1126     aFeatures.insert(aFeatures.end(), aPartFeatures.begin(), aPartFeatures.end());
1127   }
1128   // Process results of all features from the last to the first
1129   // to find appropriate sub-shape
1130   for (std::list<FeaturePtr>::const_reverse_iterator anIt = aFeatures.rbegin();
1131        anIt != aFeatures.rend(); ++anIt) {
1132     // selection cannot be linked to the parent features
1133     if (aParents.find(*anIt) != aParents.end())
1134       continue;
1135     // check the feature is a part of composite feature (like sketch elements),
1136     // then do not process it, it will be processed in scope of composite feature
1137     bool isSubOfComposite = false;
1138     const std::set<AttributePtr>& aRefs = (*anIt)->data()->refsToMe();
1139     for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
1140          aRefIt != aRefs.end() && !isSubOfComposite; ++aRefIt) {
1141       FeaturePtr aFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
1142       CompositeFeaturePtr aCompFeature =
1143           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
1144       isSubOfComposite = aCompFeature && aCompFeature->isSub(*anIt);
1145     }
1146     if (isSubOfComposite)
1147       continue;
1148
1149     // process results of the current feature to find appropriate sub-shape
1150     if (ModelGeomAlgo_Shape::findSubshapeByPoint(*anIt, thePoint, aType, anAppropriate)) {
1151       std::list<ModelGeomAlgo_Shape::SubshapeOfResult>::iterator anApIt = anAppropriate.begin();
1152       for (; aSelectionIndex > 0 && anApIt != anAppropriate.end(); --aSelectionIndex)
1153         ++anApIt; // skip this shape, because one of the previous is selected
1154
1155       if (anApIt != anAppropriate.end()) {
1156         if (anApIt->myCenterType == (int)ModelAPI_AttributeSelection::NOT_CENTER)
1157           setValue(anApIt->myResult, anApIt->mySubshape);
1158         else
1159           setValueCenter(anApIt->myResult, anApIt->mySubshape->edge(),
1160                          (ModelAPI_AttributeSelection::CenterType)anApIt->myCenterType);
1161         return;
1162       }
1163     }
1164   }
1165
1166   TDF_Label aSelLab = selectionLabel();
1167   setInvalidIfFalse(aSelLab, false);
1168   reset();
1169 }
1170
1171 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1172   const std::string& theContextName, const int theIndex)
1173 {
1174   // selection of context by name
1175   //std::string aNamingContextName = theContextName + "/";
1176   //selectSubShape(theType, aNamingContextName);
1177   std::shared_ptr<Model_Document> aDoc =
1178     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1179   if (aDoc.get()) {
1180     bool aUnique = true;
1181     std::string aContextName = theContextName;
1182     std::string anEmptySub = "";
1183     ResultPtr aContext = aDoc->findByName(aContextName, anEmptySub, aUnique);
1184     //ResultPtr aContext = context();
1185     if (aContext.get()) {
1186       GeomShapePtr aContShape = aContext->shape();
1187       if (aContShape.get()) {
1188         GeomAlgoAPI_NExplode aNExp(aContShape, GeomAPI_Shape::shapeTypeByStr(theType));
1189         GeomShapePtr aValue = aNExp.shape(theIndex);
1190         if (aValue.get())
1191           setValue(aContext, aValue);
1192       }
1193     }
1194   }
1195 }
1196
1197 int Model_AttributeSelection::Id()
1198 {
1199   int anID = 0;
1200   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1201   ResultPtr aContextRes = context();
1202   // support for compsolids:
1203   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1204     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1205   }
1206   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1207
1208
1209   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1210   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1211   // searching for the latest main shape
1212   if (aSelection && !aSelection->isNull() && aContext && !aContext->isNull())
1213   {
1214     std::shared_ptr<Model_Document> aDoc =
1215       std::dynamic_pointer_cast<Model_Document>(context()->document());
1216     if (aDoc.get()) {
1217       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1218       if (!aNS.IsNull()) {
1219         aMainShape = TNaming_Tool::CurrentShape(aNS);
1220       }
1221     }
1222
1223     TopTools_IndexedMapOfShape aSubShapesMap;
1224     TopExp::MapShapes(aMainShape, aSubShapesMap);
1225     anID = aSubShapesMap.FindIndex(aSubShape);
1226   }
1227   return anID;
1228 }
1229
1230 void Model_AttributeSelection::setId(int theID)
1231 {
1232   std::shared_ptr<GeomAPI_Shape> aSelection;
1233
1234   ResultPtr aContextRes = context();
1235   // support for compsolids:
1236   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1237     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1238   }
1239   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1240
1241   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1242   // searching for the latest main shape
1243   if (theID > 0 && aContext && !aContext->isNull())
1244   {
1245     std::shared_ptr<Model_Document> aDoc =
1246       std::dynamic_pointer_cast<Model_Document>(aContextRes->document());
1247     if (aDoc.get()) {
1248       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1249       if (!aNS.IsNull()) {
1250         aMainShape = TNaming_Tool::CurrentShape(aNS);
1251       }
1252     }
1253
1254     TopTools_IndexedMapOfShape aSubShapesMap;
1255     TopExp::MapShapes(aMainShape, aSubShapesMap);
1256     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1257
1258     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1259     aResult->setImpl(new TopoDS_Shape(aSelShape));
1260
1261     aSelection = aResult;
1262   }
1263
1264   setValue(aContextRes, aSelection);
1265 }
1266
1267 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1268 {
1269   std::string aResult;
1270   if (owner()->document() != theContext->document()) {
1271     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1272       aResult = theContext->document()->kind() + "/";
1273     } else {
1274       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1275         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1276       if (aDocRes.get()) {
1277         aResult = aDocRes->data()->name() + "/";
1278       }
1279     }
1280   }
1281   aResult += theContext->data()->name();
1282   return aResult;
1283 }
1284
1285 void Model_AttributeSelection::computeValues(
1286   ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
1287   TopTools_ListOfShape& theShapes)
1288 {
1289   bool aWasWholeContext = theValShape.IsNull();
1290   if (aWasWholeContext) {
1291     //theShapes.Append(theValShape);
1292     //return;
1293     theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
1294   }
1295   //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
1296   TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
1297   //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
1298     //theShapes.Append(aNewContShape);
1299     //return;
1300   //}
1301   // if a new value is unchanged in the new context, do nothing: value is correct
1302   TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
1303   for(; aSubExp.More(); aSubExp.Next()) {
1304     if (aSubExp.Current().IsSame(theValShape)) {
1305       theShapes.Append(theValShape);
1306       return;
1307     }
1308   }
1309   // if new context becomes compsolid, the resulting sub may be in sub-solids
1310   std::list<ResultPtr> aNewToIterate;
1311   aNewToIterate.push_back(theNewContext);
1312   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theNewContext);
1313   if (aComp.get()) {
1314     std::list<ResultPtr> allNewContextSubs;
1315     ModelAPI_Tools::allSubs(aComp, allNewContextSubs);
1316     std::list<ResultPtr>::iterator aSub = allNewContextSubs.begin();
1317     for(; aSub != allNewContextSubs.end(); aSub++) {
1318       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSub);
1319       if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1320         aNewToIterate.push_back(aBody);
1321     }
1322   }
1323
1324   // first iteration: searching for the whole shape appearance (like face of the box)
1325   // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
1326   int aToFindPart = 0;
1327   TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
1328   TopTools_MapOfShape anOlds; // to know how many olds produced new containers
1329   for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
1330     std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
1331     for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
1332       std::shared_ptr<Model_Data> aNewData =
1333         std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
1334       TDF_Label aNewLab = aNewData->label();
1335       // searching for produced sub-shape fully on some label
1336       TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
1337       for(; aNSIter.More(); aNSIter.Next()) {
1338         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
1339         for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
1340           if (aToFindPart == 0) { // search shape is fully inside
1341             if (aPairIter.OldShape().IsSame(theValShape)) {
1342               if (aPairIter.NewShape().IsNull()) {// value was removed
1343                 theShapes.Clear();
1344                 return;
1345               }
1346               theShapes.Append(aPairIter.NewShape());
1347             }
1348           } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
1349             TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
1350             for(; anExp.More(); anExp.Next()) {
1351               if (anExp.Current().IsSame(theValShape)) { // found a new container
1352                 if (aPairIter.NewShape().IsNull()) {// value was removed
1353                   theShapes.Clear();
1354                   return;
1355                 }
1356                 aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
1357                 anOlds.Add(aPairIter.OldShape());
1358                 break;
1359               }
1360             }
1361           }
1362         }
1363       }
1364     }
1365   }
1366   if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
1367     // map of sub-shapes -> number of occurences of these shapes in containers
1368     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
1369     TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
1370     for(; aContIter.More(); aContIter.Next()) {
1371       TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
1372       for(; aSubExp.More(); aSubExp.Next()) {
1373         if (!aSubs.IsBound(aSubExp.Current())) {
1374           aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
1375         }
1376         // store old to know how many olds produced this shape
1377         aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
1378       }
1379     }
1380     // if sub is appeared same times in containers as the number of old shapes that contain it
1381     int aCountInOld = anOlds.Size();
1382     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
1383       aSubsIter(aSubs);
1384     for(; aSubsIter.More(); aSubsIter.Next()) {
1385       if (aSubsIter.Value().Size() == aCountInOld) {
1386         theShapes.Append(aSubsIter.Key());
1387       }
1388     }
1389   }
1390   if (theShapes.IsEmpty()) { // nothing was changed
1391     theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
1392   }
1393 }
1394
1395 bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
1396   const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
1397   TDF_Label theAccessLabel,
1398   std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
1399 {
1400   std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
1401   TopTools_ListOfShape aResContShapes;
1402   // iterate context and shape, but also if it is sub-shape of main shape, check also it
1403   TopTools_ListOfShape aContextList;
1404   aContextList.Append(theContShape);
1405   if (theContext.get()) {
1406     ResultPtr aComposite = ModelAPI_Tools::bodyOwner(theContext);
1407     if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
1408       aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
1409   }
1410   for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
1411     TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), theAccessLabel);
1412     for(; aModifIter.More(); aModifIter.Next()) {
1413       TDF_Label anObjLab = aModifIter.Label().Father();
1414       ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1415         (theDoc->objects()->object(anObjLab));
1416       if (!aModifierObj.get()) {
1417         // #2241: shape may be sub-element of new object, not main (shell created from faces)
1418         if (!anObjLab.IsRoot())
1419           aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1420           (theDoc->objects()->object(anObjLab.Father()));
1421         if (!aModifierObj.get())
1422           continue;
1423       }
1424       FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
1425       if (!aModifierFeat.get())
1426         continue;
1427       FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1428       if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
1429         continue; // the modifier feature is later than this, so, should not be used
1430       FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
1431       if (aCurrentModifierFeat == aModifierFeat ||
1432         theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
1433         continue; // the current modifier is later than the found, so, useless
1434       Handle(TNaming_NamedShape) aNewNS;
1435       aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
1436       if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
1437         aResults.insert(aModifierObj);
1438         //TNaming_Iterator aPairIter(aNewNS);
1439         //aResContShapes.Append(aPairIter.NewShape());
1440         aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
1441       } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
1442         aResults.insert(ResultPtr());
1443       } else { // not-precessed modification => don't support it
1444         continue;
1445       }
1446     }
1447   }
1448   if (aResults.empty())
1449     return false; // no modifications found, must stay the same
1450   // iterate all results to find futher modifications
1451   std::set<ResultPtr>::iterator aResIter = aResults.begin();
1452   for(; aResIter != aResults.end(); aResIter++) {
1453     if (aResIter->get() != NULL) {
1454       // compute new values by two contextes: the old and the new
1455       TopTools_ListOfShape aValShapes;
1456       computeValues(theContext, *aResIter, theValShape, aValShapes);
1457
1458       TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
1459       for(; aNewVal.More(); aNewVal.Next()) {
1460         std::list<ResultPtr> aNewRes;
1461         TopTools_ListOfShape aNewUpdatedVal;
1462         TopoDS_Shape aNewValSh = aNewVal.Value();
1463         TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
1464         if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
1465           aNewValSh.Nullify();
1466         if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
1467                              theAccessLabel, aNewRes, aNewUpdatedVal))
1468         {
1469           // appeand new results instead of the current ones
1470           std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
1471           TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
1472           for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
1473             theResults.push_back(*aNewIter);
1474             theValShapes.Append(aNewUpdVal.Value());
1475           }
1476         } else { // the current result is good
1477           theResults.push_back(*aResIter);
1478           theValShapes.Append(aNewValSh);
1479         }
1480       }
1481     }
1482   }
1483   return true; // theResults must be empty: everything is deleted
1484 }
1485
1486 void Model_AttributeSelection::updateInHistory()
1487 {
1488   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
1489   // only bodies and parts may be modified later in the history, don't do anything otherwise
1490   if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
1491       aContext->groupName() != ModelAPI_ResultPart::group()))
1492     return;
1493   std::shared_ptr<Model_Document> aDoc =
1494     std::dynamic_pointer_cast<Model_Document>(aContext->document());
1495   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
1496   if (!aContData.get() || !aContData->isValid())
1497     return;
1498   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
1499   Handle(TNaming_NamedShape) aContNS;
1500   if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
1501     bool aFoundNewContext = true;
1502     ResultPtr aNewContext = aContext;
1503     while(aFoundNewContext) {
1504       aFoundNewContext = false;
1505       // parts have no shape in result, so, trace references using the Part info
1506       if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
1507         ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
1508         if (aPartContext.get()) { // searching for the up to date references to the referenced cont
1509           const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
1510           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1511           for(; aRef != aRefs.end(); aRef++) {
1512             // to avoid detection of part changes by local selection only
1513             AttributeSelectionPtr aSel =
1514               std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
1515             if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
1516               continue;
1517
1518             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1519             if (aRefFeat.get() && aRefFeat != owner()) {
1520               FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1521               if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
1522                 aFoundNewContext = true;
1523                 aNewContext = aRefFeat->firstResult();
1524               }
1525             }
1526           }
1527         }
1528       }
1529     }
1530     if (aNewContext != aContext) {
1531       setValue(aNewContext, value());
1532     }
1533     return;
1534   }
1535   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1536   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
1537   // iterate the context shape modifications in order to find a feature that is upper in history
1538   // that this one and is really modifies the referenced result to refer to it
1539   ResultPtr aModifierResFound;
1540   TNaming_Iterator aPairIter(aContNS);
1541   if (!aPairIter.More())
1542     return;
1543   TopoDS_Shape aNewCShape = aPairIter.NewShape();
1544   bool anIterate = true;
1545   // trying to update also the sub-shape selected
1546   GeomShapePtr aSubShape = value();
1547   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
1548     aSubShape.reset();
1549   TopoDS_Shape aValShape;
1550   if (aSubShape.get()) {
1551     aValShape = aSubShape->impl<TopoDS_Shape>();
1552   }
1553
1554   std::list<ResultPtr> aNewContexts;
1555   TopTools_ListOfShape aValShapes;
1556   if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
1557   {
1558     // update scope to reset to a new one
1559     myScope.Clear();
1560
1561     std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
1562     TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
1563     if (aNewCont == aNewContexts.end()) { // all results were deleted
1564       ResultPtr anEmptyContext;
1565       std::shared_ptr<GeomAPI_Shape> anEmptyShape;
1566       setValue(anEmptyContext, anEmptyShape); // nullify the selection
1567       return;
1568     }
1569
1570     GeomShapePtr aValueShape;
1571     if (!aNewValues.Value().IsNull()) {
1572       aValueShape = std::make_shared<GeomAPI_Shape>();
1573       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1574     }
1575     setValue(*aNewCont, aValueShape);
1576     // if there are more than one result, put them by "append" into "parent" list
1577     if (myParent) {
1578       for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
1579           aNewCont++, aNewValues.Next()) {
1580         GeomShapePtr aValueShape;
1581         if (!aNewValues.Value().IsNull()) {
1582           aValueShape = std::make_shared<GeomAPI_Shape>();
1583           aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1584         }
1585
1586         // Check that list has the same type of shape selection before adding.
1587         GeomAPI_Shape::ShapeType aListShapeType = GeomAPI_Shape::SHAPE;
1588         if (myParent->selectionType() == "VERTEX") aListShapeType = GeomAPI_Shape::VERTEX;
1589         else if (myParent->selectionType() == "EDGE") aListShapeType = GeomAPI_Shape::EDGE;
1590         else if (myParent->selectionType() == "FACE") aListShapeType = GeomAPI_Shape::FACE;
1591
1592         GeomAPI_Shape::ShapeType aShapeShapeType = GeomAPI_Shape::SHAPE;
1593         if (aValueShape.get()) {
1594           aShapeShapeType = aValueShape->shapeType();
1595         } else {
1596           (*aNewCont)->shape()->shapeType();
1597         }
1598
1599         if (aListShapeType != GeomAPI_Shape::SHAPE && aListShapeType != aShapeShapeType) {
1600           continue;
1601         }
1602
1603         myParent->append(*aNewCont, aValueShape);
1604       }
1605     }
1606   }
1607 }
1608
1609 void Model_AttributeSelection::setParent(Model_AttributeSelectionList* theParent)
1610 {
1611   myParent = theParent;
1612 }