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_Vertex.h>
  44 #include <GeomAlgoAPI_CompoundBuilder.h>
  45 #include <GeomAlgoAPI_NExplode.h>
  46 #include <Selector_Selector.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 // identifier of the weak naming index
  93 Standard_GUID kWEAK_NAMING("9dcdd9be-a3a9-46eb-9b16-1c957ab20142");
  94 // identifier of the weak naming sub-shape type
  95 Standard_GUID kWEAK_NAMING_SHAPETYPE("6b9cc709-e320-4a1f-9c42-df5622369ea7");
  96
  97 // prefix for the whole feature context identification
  98 const static std::string kWHOLE_FEATURE = "all-in-";
  99
 100 // on this label is stored:
 101 // TNaming_NamedShape - selected shape
 102 // TNaming_Naming - topological selection information (for the body)
 103 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
 104 // TDataStd_Integer - type of the selected shape (for construction)
 105 // TDF_Reference - from ReferenceAttribute, the context
 106 bool Model_AttributeSelection::setValue(const ObjectPtr& theContext,
 107   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 108 {
 109   if (theTemporarily &&
 110       (!theContext.get() || theContext->groupName() != ModelAPI_Feature::group())) {
 111     // just keep the stored without DF update
 112     myTmpContext = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 113     myTmpSubShape = theSubShape;
 114     owner()->data()->sendAttributeUpdated(this);
 115     return true;
 116   } else {
 117     myTmpContext.reset();
 118     myTmpSubShape.reset();
 119     myTmpCenterType = NOT_CENTER;
 120   }
 121
 122   CenterType aType;
 123   const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
 124   bool isOldContext = theContext == myRef.value();
 125   bool isOldShape = isOldContext &&
 126     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 127   if (isOldShape) return false; // shape is the same, so context is also unchanged
 128   bool aToUnblock = false;
 129   // update the referenced object if needed
 130   if (!isOldContext) {
 131     aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
 132     myRef.setValue(theContext);
 133   }
 134
 135   // do noth use naming if selected shape is result shape itself, but not sub-shape
 136   TDF_Label aSelLab = selectionLabel();
 137   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 138   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 139   aSelLab.ForgetAttribute(kCIRCLE_CENTER);
 140   aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
 141   aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 142   aSelLab.ForgetAttribute(kWEAK_NAMING);
 143   aSelLab.ForgetAttribute(kWEAK_NAMING_SHAPETYPE);
 144
 145   bool isDegeneratedEdge = false;
 146   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 147   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 148     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 149     if (aSubShape.ShapeType() == TopAbs_EDGE)
 150       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 151   }
 152   if (!theContext.get() || isDegeneratedEdge) {
 153     // to keep the reference attribute label
 154     TDF_Label aRefLab = myRef.myRef->Label();
 155     aSelLab.ForgetAllAttributes(true);
 156     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 157     if (aToUnblock)
 158       owner()->data()->blockSendAttributeUpdated(false);
 159     return false;
 160   }
 161   bool isSelectBody = theContext->groupName() == ModelAPI_ResultBody::group();
 162   if (!isSelectBody) {
 163     ResultConstructionPtr aContextConstruction =
 164       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 165     isSelectBody = aContextConstruction.get() && !aContextConstruction->isInfinite();
 166   }
 167   if (isSelectBody) {
 168     ResultPtr aContextResult = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 169     GeomShapePtr aContextShape = aContextResult->shape();
 170     // do not select the whole shape for body:it is already must be in the data framework
 171     // equal and null selected objects mean the same: object is equal to context,
 172     if (aContextShape.get() && (aContextShape->isEqual(theSubShape) || !theSubShape.get())) {
 173       aSelLab.ForgetAllAttributes(true);
 174       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 175     } else {
 176       selectBody(aContextResult, theSubShape);
 177     }
 178   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 179     aSelLab.ForgetAllAttributes(true); // to remove old selection data
 180     std::shared_ptr<Model_ResultConstruction> aConstruction =
 181       std::dynamic_pointer_cast<Model_ResultConstruction>(theContext);
 182     std::shared_ptr<GeomAPI_Shape> aSubShape;
 183     if (theSubShape.get() && !aConstruction->shape()->isEqual(theSubShape))
 184       aSubShape = theSubShape; // the whole context
 185     if (aConstruction->isInfinite()) {
 186       // For correct naming selection, put the shape into the naming structure.
 187       // It seems sub-shapes are not needed: only this shape is (and can be) selected.
 188       TNaming_Builder aBuilder(aSelLab);
 189       aBuilder.Generated(aConstruction->shape()->impl<TopoDS_Shape>());
 190     }
 191   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 192     aSelLab.ForgetAllAttributes(true);
 193     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 194     selectPart(std::dynamic_pointer_cast<ModelAPI_Result>(theContext), theSubShape);
 195   } else { // check the feature context: parent-Part of this feature should not be used
 196     FeaturePtr aFeatureContext = std::dynamic_pointer_cast<ModelAPI_Feature>(theContext);
 197     if (aFeatureContext.get()) {
 198       if (owner()->document() != aFeatureContext->document()) {
 199         aSelLab.ForgetAllAttributes(true);
 200         myRef.setValue(ObjectPtr());
 201         if (aToUnblock)
 202           owner()->data()->blockSendAttributeUpdated(false);
 203         return false;
 204       }
 205     }
 206   }
 207
 208   owner()->data()->sendAttributeUpdated(this);
 209
 210   if (aToUnblock)
 211     owner()->data()->blockSendAttributeUpdated(false);
 212
 213   return true;
 214 }
 215
 216 void Model_AttributeSelection::setValueCenter(
 217     const ObjectPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
 218     const CenterType theCenterType, const bool theTemporarily)
 219 {
 220   bool anUpdated = setValue(theContext, theEdge, theTemporarily);
 221   if (theTemporarily) {
 222     myTmpCenterType = theCenterType;
 223   } else { // store in the data structure
 224     TDF_Label aSelLab = selectionLabel();
 225     switch(theCenterType) {
 226     case CIRCLE_CENTER:
 227       if (!anUpdated)
 228         anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
 229       TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
 230       break;
 231     case ELLIPSE_FIRST_FOCUS:
 232       if (!anUpdated)
 233         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
 234       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
 235       break;
 236     case ELLIPSE_SECOND_FOCUS:
 237       if (!anUpdated)
 238         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
 239       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
 240       break;
 241     }
 242     if (anUpdated)
 243       owner()->data()->sendAttributeUpdated(this);
 244   }
 245 }
 246
 247 void Model_AttributeSelection::selectValue(
 248     const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
 249 {
 250   CenterType aType;
 251   std::shared_ptr<GeomAPI_Shape> aValue =
 252     std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
 253   if (!aValue.get() || aType == NOT_CENTER) {
 254     setValue(theSource->context(), aValue);
 255   } else {
 256     std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
 257     anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
 258     setValueCenter(theSource->context(), anEdge, aType);
 259   }
 260 }
 261
 262 void Model_AttributeSelection::removeTemporaryValues()
 263 {
 264   if (myTmpContext.get() || myTmpSubShape.get()) {
 265     myTmpContext.reset();
 266     myTmpSubShape.reset();
 267   }
 268 }
 269
 270 // returns the center of the edge: circular or elliptical
 271 GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
 272 {
 273   if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
 274     TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
 275     if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
 276       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
 277       double aFirst, aLast;
 278       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 279       if (!aCurve.IsNull()) {
 280         TopoDS_Vertex aVertex;
 281         BRep_Builder aBuilder;
 282         if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
 283           Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
 284           if (!aCirc.IsNull()) {
 285             aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
 286           }
 287         } else { // ellipse
 288           Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
 289           if (!anEll.IsNull()) {
 290             aBuilder.MakeVertex(aVertex,
 291               theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
 292               anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
 293           }
 294         }
 295         if (!aVertex.IsNull()) {
 296           std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
 297           aResult->setImpl(new TopoDS_Vertex(aVertex));
 298           return aResult;
 299         }
 300       }
 301     }
 302   }
 303   return theEdge; // no vertex, so, return the initial edge
 304 }
 305
 306 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 307 {
 308   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 309     return std::shared_ptr<GeomAPI_Shape>();
 310   CenterType aType = NOT_CENTER;
 311   std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
 312   return centerByEdge(aResult, aType);
 313 }
 314
 315 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
 316 {
 317   theType = NOT_CENTER;
 318   GeomShapePtr aResult;
 319   if (myTmpContext.get() || myTmpSubShape.get()) {
 320     theType = myTmpCenterType;
 321     ResultConstructionPtr aResulConstruction =
 322       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 323     if(aResulConstruction.get()) {
 324       // it is just reference to construction.
 325       return myTmpSubShape;
 326     }
 327     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 328   }
 329
 330   TDF_Label aSelLab = selectionLabel();
 331   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 332     return aResult;
 333
 334   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
 335     theType = CIRCLE_CENTER;
 336   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
 337     theType = ELLIPSE_FIRST_FOCUS;
 338   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
 339     theType = ELLIPSE_SECOND_FOCUS;
 340
 341
 342   if (myRef.isInitialized()) {
 343     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 344       ResultPtr aContext = context();
 345       if (!aContext.get())
 346         return aResult; // empty result
 347       return aContext->shape();
 348     }
 349     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 350       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 351       if (!aPart.get() || !aPart->isActivated())
 352         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 353       Handle(TDataStd_Integer) anIndex;
 354       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 355         if (anIndex->Get()) { // special selection attribute was created, use it
 356           return aPart->selectionValue(anIndex->Get());
 357         } else { // face with name is already in the data model, so try to take it by name
 358           Handle(TDataStd_Name) aName;
 359           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
 360             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 361             std::size_t aPartEnd = aSubShapeName.find('/');
 362             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 363               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 364               int anIndex;
 365               std::string aType; // to reuse already existing selection the type is not needed
 366               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 367             }
 368           }
 369         }
 370       }
 371     }
 372
 373     std::shared_ptr<Model_ResultConstruction> aConstr =
 374       std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 375     if (aConstr) {
 376       if (aConstr->isInfinite())
 377         return aResult; // empty result
 378     }
 379     if (!aConstr.get()) { // for construction context, return empty result as usual even
 380       // the whole feature is selected
 381       FeaturePtr aFeature = contextFeature();
 382       if (aFeature.get()) {
 383         std::list<GeomShapePtr> allShapes;
 384         std::list<ResultPtr>::const_iterator aRes = aFeature->results().cbegin();
 385         for (; aRes != aFeature->results().cend(); aRes++) {
 386           if (aRes->get() && !(*aRes)->isDisabled()) {
 387             GeomShapePtr aShape = (*aRes)->shape();
 388             if (aShape.get() && !aShape->isNull()) {
 389               allShapes.push_back(aShape);
 390             }
 391           }
 392         }
 393         return GeomAlgoAPI_CompoundBuilder::compound(allShapes);
 394       }
 395     }
 396
 397     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 398       Handle(TDataStd_Integer) aWeakId;
 399       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 400       // get the context shape
 401       GeomShapePtr aContextShape;
 402       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(context());
 403       if (aBody.get()) {
 404         aContextShape = aBody->shape();
 405       } else {
 406         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 407         if (aResult) {
 408           aContextShape = aResult->shape();
 409         }
 410       }
 411       if (!aContextShape.get())
 412         return GeomShapePtr();
 413       Handle(TDataStd_Integer) aWeakShapeType;
 414       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 415       GeomAlgoAPI_NExplode aNExplode(
 416         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 417       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 418       return aValue;
 419     }
 420
 421     Handle(TNaming_NamedShape) aSelection;
 422     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 423       TopoDS_Shape aSelShape = aSelection->Get();
 424       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 425       aResult->setImpl(new TopoDS_Shape(aSelShape));
 426     } else if (aConstr) { // simple construction element: just shape of this construction element
 427       aResult = aConstr->shape();
 428     }
 429   }
 430   return aResult;
 431 }
 432
 433 bool Model_AttributeSelection::isInvalid()
 434 {
 435   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 436 }
 437
 438 bool Model_AttributeSelection::isInitialized()
 439 {
 440   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 441     std::shared_ptr<GeomAPI_Shape> aResult;
 442     if (myRef.isInitialized()) {
 443       TDF_Label aSelLab = selectionLabel();
 444       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 445         ResultPtr aContext = context();
 446         return aContext.get() != NULL;
 447       }
 448       Handle(TNaming_NamedShape) aSelection;
 449       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 450         return !aSelection->Get().IsNull();
 451       } else { // for simple construction element: just shape of this construction element
 452         std::shared_ptr<Model_ResultConstruction> aConstr =
 453           std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 454         if (aConstr.get()) {
 455             return true;
 456         }
 457         // for the whole feature, a feature object
 458         FeaturePtr aFeat = contextFeature();
 459         if (aFeat.get())
 460           return true;
 461       }
 462     }
 463   }
 464   return false;
 465 }
 466
 467 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 468   : myRef(theLabel)
 469 {
 470   myIsInitialized = myRef.isInitialized();
 471   myParent = NULL;
 472 }
 473
 474 void Model_AttributeSelection::setID(const std::string theID)
 475 {
 476   myRef.setID(theID);
 477   ModelAPI_AttributeSelection::setID(theID);
 478 }
 479
 480 ResultPtr Model_AttributeSelection::context()
 481 {
 482   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 483     return ResultPtr();
 484
 485   if (myTmpContext.get() || myTmpSubShape.get()) {
 486     return myTmpContext;
 487   }
 488
 489   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 490   // for parts there could be same-data result, so take the last enabled
 491   if (aResult.get()) {
 492     if(aResult->groupName() == ModelAPI_ResultPart::group()) {
 493       int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 494       for(int a = aSize - 1; a >= 0; a--) {
 495         ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 496         if(aPart.get() && aPart->data() == aResult->data()) {
 497           ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 498           FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 499           // check that this result is not this-feature result (it is forbidden t oselect itself)
 500           if(anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 501             return aPartResult;
 502           }
 503         }
 504       }
 505     }
 506   } else { // if feature - construction is selected, it has only one result, return this result
 507     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 508     if (aFeature.get() && aFeature->results().size() == 1 &&
 509         aFeature->firstResult()->groupName() == ModelAPI_ResultConstruction::group())
 510       return aFeature->firstResult();
 511   }
 512   return aResult;
 513 }
 514
 515 FeaturePtr Model_AttributeSelection::contextFeature() {
 516   if (myTmpContext.get() || myTmpSubShape.get()) {
 517     return FeaturePtr(); // feature can not be selected temporarily
 518   }
 519   return std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 520 }
 521 ObjectPtr Model_AttributeSelection::contextObject() {
 522   FeaturePtr aRes = contextFeature();
 523   if (aRes.get())
 524     return aRes;
 525   return context();
 526 }
 527
 528
 529 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 530 {
 531   ModelAPI_AttributeSelection::setObject(theObject);
 532   myRef.setObject(theObject);
 533 }
 534
 535 TDF_LabelMap& Model_AttributeSelection::scope()
 536 {
 537   if (myScope.IsEmpty()) { // create a new scope if not yet done
 538     // gets all features with named shapes that are before this feature label (before in history)
 539     DocumentPtr aMyDoc = owner()->document();
 540     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 541     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 542     bool aMePassed = false;
 543     CompositeFeaturePtr aComposite =
 544       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 545     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 546     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 547     if (aFeature.get()) {
 548       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 549       if (aCompositeOwner.get()) {
 550          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 551       }
 552     }
 553     // for group Scope is not limitet: this is always up to date objects
 554     // this causes problem in galeries.py
 555     //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 556     for(; aFIter != allFeatures.end(); aFIter++) {
 557       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 558         aMePassed = true;
 559         continue;
 560       }
 561       //if (isGroup) aMePassed = false;
 562       bool isInScope = !aMePassed;
 563       if (!isInScope && aComposite.get()) {
 564         // try to add sub-elements of composite if this is composite
 565         if (aComposite->isSub(*aFIter))
 566           isInScope = true;
 567       }
 568       // remove the composite-owner of this feature (sketch in extrusion-cut)
 569       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 570         isInScope = false;
 571
 572       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 573         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 574           (*aFIter)->data())->label().Father();
 575         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), true);
 576         for(; aNSIter.More(); aNSIter.Next()) {
 577           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 578           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 579             myScope.Add(aNS->Label());
 580           }
 581         }
 582       }
 583     }
 584     // also add all naming labels created for external constructions
 585     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
 586     TDF_Label anExtDocLab = aDoc->extConstructionsLabel();
 587     TDF_ChildIDIterator aNSIter(anExtDocLab, TNaming_NamedShape::GetID(), true);
 588     for(; aNSIter.More(); aNSIter.Next()) {
 589       Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 590       if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 591         myScope.Add(aNS->Label());
 592       }
 593     }
 594   }
 595   return myScope;
 596 }
 597
 598 /// Sets the invalid flag if flag is false, or removes it if "true"
 599 /// Returns theFlag
 600 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 601   if (theFlag) {
 602     theLab.ForgetAttribute(kINVALID_SELECTION);
 603   } else {
 604     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 605   }
 606   return theFlag;
 607 }
 608
 609 void Model_AttributeSelection::split(
 610   ResultPtr theContext, TopoDS_Shape theNewShape, TopAbs_ShapeEnum theType)
 611 {
 612   TopTools_ListOfShape aSubs;
 613   for(TopoDS_Iterator anExplorer(theNewShape); anExplorer.More(); anExplorer.Next()) {
 614     if (!anExplorer.Value().IsNull() &&
 615       anExplorer.Value().ShapeType() == theType) {
 616         aSubs.Append(anExplorer.Value());
 617     } else { // invalid case; bad result shape, so, impossible to split easily
 618       aSubs.Clear();
 619       break;
 620     }
 621   }
 622   if (aSubs.Extent() > 1) { // ok to split
 623     TopTools_ListIteratorOfListOfShape aSub(aSubs);
 624     GeomShapePtr aSubSh(new GeomAPI_Shape);
 625     aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 626     setValue(theContext, aSubSh);
 627     for(aSub.Next(); aSub.More(); aSub.Next()) {
 628       GeomShapePtr aSubSh(new GeomAPI_Shape);
 629       aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 630       myParent->append(theContext, aSubSh);
 631     }
 632   }
 633 }
 634
 635 bool Model_AttributeSelection::update()
 636 {
 637   FeaturePtr aContextFeature = contextFeature();
 638   if (aContextFeature.get()) {
 639     return true;
 640   }
 641   TDF_Label aSelLab = selectionLabel();
 642   ResultPtr aContext = context();
 643   if (!aContext.get())
 644     return setInvalidIfFalse(aSelLab, false);
 645   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 646     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 647   }
 648
 649   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 650     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 651     bool aResult = selectPart(aContext, aNoSelection, true);
 652     aResult = setInvalidIfFalse(aSelLab, aResult);
 653     if (aResult) {
 654       owner()->data()->sendAttributeUpdated(this);
 655     }
 656     return aResult;
 657   }
 658
 659   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 660     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 661       Handle(TDataStd_Integer) aWeakId;
 662       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 663       // get the context shape
 664       GeomShapePtr aContextShape;
 665       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aContext);
 666       if (aBody.get()) {
 667         aContextShape = aBody->shape();
 668       } else {
 669         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 670         if (aResult) {
 671           aContextShape = aResult->shape();
 672         }
 673       }
 674       if (!setInvalidIfFalse(aSelLab, aContextShape.get() != NULL)) // context shape not found
 675         return false;
 676       Handle(TDataStd_Integer) aWeakShapeType;
 677       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 678       GeomAlgoAPI_NExplode aNExplode(
 679         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 680       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 681       return setInvalidIfFalse(aSelLab, aValue.get() != NULL);
 682     }
 683     // body: just a named shape, use topological selection mechanism
 684     bool aResult = false;
 685     TopoDS_Shape anOldShape;
 686     Handle(TNaming_NamedShape) aNS;
 687     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aNS))
 688       anOldShape = aNS->Get();
 689
 690     Selector_Selector aSelector(aSelLab);
 691     if (!aSelector.restore()) { // it is stored in old OCCT format, use TNaming_Selector
 692       TNaming_Selector aSelector(aSelLab);
 693       if (!aSelector.NamedShape().IsNull()) {
 694         anOldShape = aSelector.NamedShape()->Get();
 695       }
 696       aResult = aSelector.Solve(scope()) == Standard_True;
 697     } else {
 698       TopoDS_Shape aContextShape = aContext->shape()->impl<TopoDS_Shape>();
 699       aResult = aSelector.solve(aContextShape);
 700     }
 701     aResult = setInvalidIfFalse(aSelLab, aResult);
 702
 703     TopoDS_Shape aNewShape;
 704     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aNS))
 705       aNewShape = aNS->Get();
 706
 707     if (anOldShape.IsNull() || aNewShape.IsNull() || !anOldShape.IsEqual(aNewShape)) {
 708       // shape type shoud not not changed: if shape becomes compound of such shapes, then split
 709       if (myParent && !anOldShape.IsNull() && !aNewShape.IsNull() &&
 710           anOldShape.ShapeType() != aNewShape.ShapeType() &&
 711           (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID))
 712       {
 713         split(aContext, aNewShape, anOldShape.ShapeType());
 714       }
 715       owner()->data()->sendAttributeUpdated(this);  // send updated if shape is changed
 716     }
 717     return aResult;
 718   }
 719
 720   if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 721     bool aResult = true;
 722     std::shared_ptr<Model_ResultConstruction> aConstructionContext =
 723       std::dynamic_pointer_cast<Model_ResultConstruction>(aContext);
 724     if (!aConstructionContext->isInfinite()) {
 725       Selector_Selector aSelector(aSelLab);
 726       aResult = aSelector.restore();
 727       if (aResult) {
 728         TopoDS_Shape aContextShape = aContext->shape()->impl<TopoDS_Shape>();
 729         aResult = aSelector.solve(aContextShape);
 730       }
 731       aResult = setInvalidIfFalse(aSelLab, aResult);
 732     }
 733     return aResult;
 734   }
 735   return setInvalidIfFalse(aSelLab, false); // unknown case
 736 }
 737
 738 void Model_AttributeSelection::selectBody(
 739   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 740 {
 741   // perform the selection
 742   TopoDS_Shape aContext;
 743
 744   ResultPtr aBody = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);//myRef.value()
 745   if (aBody) {
 746     aContext = aBody->shape()->impl<TopoDS_Shape>();
 747   } else {
 748     ResultPtr aResult =
 749       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 750     if (aResult) {
 751       aContext = aResult->shape()->impl<TopoDS_Shape>();
 752     } else {
 753       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 754       return;
 755     }
 756   }
 757
 758   // with "recover" feature the selected context may be not up to date (issue 1710)
 759   TDF_Label aSelLab = selectionLabel();
 760   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 761
 762   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 763   if (!aContext.IsNull()) {
 764     FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 765     bool aEraseResults = false;
 766     if (aFeatureOwner.get()) {
 767       aEraseResults = !aFeatureOwner->results().empty();
 768       if (aEraseResults) // erase results without flash deleted and redisplay: do it after Select
 769         aFeatureOwner->removeResults(0, false, false);
 770     }
 771     bool aSelectorOk = true;
 772     //TNaming_Selector aSel(aSelLab);
 773     Selector_Selector aSel(aSelLab);
 774     try {
 775       //aSel.Select(aNewSub, aNewContext);
 776       aSelectorOk = aSel.select(aContext, aNewSub);
 777       if (aSelectorOk) {
 778         aSel.store();
 779         aSelectorOk = aSel.solve(aContext);
 780       }
 781     } catch(...) {
 782       aSelectorOk = false;
 783     }
 784     // face may become divided after the model update, so, new labels may be added to the scope
 785     myScope.Clear();
 786
 787     // check that selection is correct, otherwise use weak naming solution
 788     TDF_Label aSelLab = selectionLabel();
 789     aSelLab.ForgetAttribute(kWEAK_NAMING);
 790     Handle(TNaming_NamedShape) aSelectorShape;
 791     if (aSelectorOk && aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelectorShape))
 792     {
 793       TopoDS_Shape aShape = aSelectorShape->Get();
 794       if (aShape.IsNull() || aShape.ShapeType() != aNewSub.ShapeType())
 795         aSelectorOk = false;
 796     }
 797     if (!aSelectorOk) { // weak naming identifier instead
 798       GeomShapePtr aContextShape(new GeomAPI_Shape);
 799       aContextShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aContext));
 800       GeomShapePtr aValueShape(new GeomAPI_Shape);
 801       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewSub));
 802
 803       GeomAlgoAPI_NExplode aNExplode(aContextShape, aValueShape->shapeType());
 804       int anId = aNExplode.index(aValueShape);
 805       if (anId) {
 806         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING, anId);
 807         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING_SHAPETYPE, int(aValueShape->shapeType()));
 808       }
 809     }
 810
 811     if (aEraseResults) { // flash after Select : in Groups it makes selection with shift working
 812       static Events_Loop* aLoop = Events_Loop::loop();
 813       static const Events_ID kDeletedEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 814       aLoop->flush(kDeletedEvent);
 815     }
 816   }
 817 }
 818
 819 bool Model_AttributeSelection::selectPart(
 820   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 821   const bool theUpdate)
 822 {
 823   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 824   if (!aPart.get() || !aPart->isActivated())
 825     return true; // postponed naming
 826   if (theUpdate) {
 827     Handle(TDataStd_Integer) anIndex;
 828     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 829       // by internal selection
 830       if (anIndex->Get() > 0) {
 831         // update the selection by index
 832         return aPart->updateInPart(anIndex->Get());
 833       } else {
 834         return true; // nothing to do, referencing just by name
 835       }
 836     }
 837     return true; // nothing to do, referencing just by name
 838   }
 839   // store the shape (in case part is not loaded it should be useful
 840   TopoDS_Shape aShape;
 841   std::string aName = theContext->data()->name();
 842   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 843     aShape = theContext->shape()->impl<TopoDS_Shape>();
 844   } else {
 845     aShape = theSubShape->impl<TopoDS_Shape>();
 846     int anIndex;
 847     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 848     TDataStd_Integer::Set(selectionLabel(), anIndex);
 849   }
 850   TNaming_Builder aBuilder(selectionLabel());
 851   aBuilder.Select(aShape, aShape);
 852   // identify by name in the part
 853   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 854   return !aName.empty();
 855 }
 856
 857 TDF_Label Model_AttributeSelection::selectionLabel()
 858 {
 859   return myRef.myRef->Label().FindChild(1);
 860 }
 861
 862 /// prefixes of the shape names with centers defined
 863 static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
 864
 865 /// returns the map that contains all possible prefixes of the center-names
 866 static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
 867 {
 868   if (kCENTERS_PREFIX.empty()) { // fill map by initial values
 869     kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
 870     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
 871     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
 872   }
 873   return kCENTERS_PREFIX;
 874 }
 875
 876 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 877 {
 878   std::string aName("");
 879   if(!this->isInitialized())
 880     return !theDefaultName.empty() ? theDefaultName : aName;
 881
 882   CenterType aCenterType = NOT_CENTER;
 883   std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
 884   ResultPtr aCont = context();
 885
 886   if (!aCont.get() ||
 887       (aCont->groupName() == ModelAPI_ResultConstruction::group() && contextFeature().get())) {
 888     // selection of a full feature
 889     FeaturePtr aFeatureCont = contextFeature();
 890     if (aFeatureCont.get()) {
 891       return kWHOLE_FEATURE + aFeatureCont->name();
 892     }
 893     // in case of selection of removed result
 894     return "";
 895   }
 896
 897   TDF_Label aSelLab = selectionLabel();
 898   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // whole context, no value
 899     return contextName(aCont);
 900   }
 901
 902   Handle(TDataStd_Integer) aWeakId;
 903   if (aSelLab.FindAttribute(kWEAK_NAMING, aWeakId)) { // a weak naming is used
 904     std::ostringstream aNameStream;
 905     aNameStream<<contextName(aCont)<<"/weak_name_"<<aWeakId->Get();
 906     return aNameStream.str();
 907   }
 908
 909   // whole infinitive construction
 910   if (aCont->groupName() == ModelAPI_ResultConstruction::group()) {
 911     ResultConstructionPtr aConstr = std::dynamic_pointer_cast<Model_ResultConstruction>(aCont);
 912     if (aConstr->isInfinite()) {
 913       return contextName(aCont);
 914     }
 915   }
 916
 917   Selector_Selector aSelector(aSelLab);
 918   std::string aResult;
 919   if (aSelector.restore())
 920     aResult = aSelector.name(this);
 921   /*
 922   Model_SelectionNaming aSelNaming(aSelLab);
 923   std::string aResult = aSelNaming.namingName(
 924     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 925     */
 926   if (aCenterType != NOT_CENTER) {
 927     aResult += centersMap()[aCenterType];
 928   }
 929   return aResult;
 930 }
 931
 932 // returns the center type and modifies the shape name if this name is center-name
 933 static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
 934 {
 935   std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
 936     centersMap().begin();
 937   for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
 938     std::size_t aFound = theShapeName.find(aPrefixIter->second);
 939     if (aFound != std::string::npos &&
 940         aFound == theShapeName.size() - aPrefixIter->second.size()) {
 941       theShapeName = theShapeName.substr(0, aFound);
 942       return aPrefixIter->first;
 943     }
 944   }
 945   return ModelAPI_AttributeSelection::NOT_CENTER;
 946 }
 947
 948 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 949 void Model_AttributeSelection::selectSubShape(
 950   const std::string& theType, const std::string& theSubShapeName)
 951 {
 952   if(theSubShapeName.empty() || theType.empty()) return;
 953
 954   std::string aSubShapeName = theSubShapeName;
 955   CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
 956     centerTypeByName(aSubShapeName) : NOT_CENTER;
 957   std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
 958
 959   // first iteration is selection by name without center prefix, second - in case of problem,
 960   // try with initial name
 961   for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
 962     if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
 963       aSubShapeName = theSubShapeName;
 964       aCenterType = NOT_CENTER;
 965       aType = theType;
 966     } else if (aUseCenter != 1) continue;
 967
 968     // check this is Part-name: 2 delimiters in the name
 969     std::size_t aPartEnd = aSubShapeName.find('/');
 970     if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 971       std::string aPartName = aSubShapeName.substr(0, aPartEnd);
 972       ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
 973       if (aFound.get()) { // found such part, so asking it for the name
 974         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
 975         std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 976         int anIndex;
 977         std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
 978         if (aSelected.get()) {
 979           if (aCenterType != NOT_CENTER) {
 980             if (!aSelected->isEdge())
 981               continue;
 982             std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
 983             setValueCenter(aPart, aSelectedEdge, aCenterType);
 984           } else
 985             setValue(aPart, aSelected);
 986           TDataStd_Integer::Set(selectionLabel(), anIndex);
 987           return;
 988         }
 989       }
 990     }
 991
 992     std::shared_ptr<Model_Document> aDoc =
 993       std::dynamic_pointer_cast<Model_Document>(owner()->document());
 994     // check this is a whole feature context
 995     if (aSubShapeName.size() > kWHOLE_FEATURE.size() &&
 996       aSubShapeName.substr(0, kWHOLE_FEATURE.size()) == kWHOLE_FEATURE) {
 997       std::string aFeatureName = aSubShapeName.substr(kWHOLE_FEATURE.size());
 998       ObjectPtr anObj = aDoc->objectByName(ModelAPI_Feature::group(), aFeatureName);
 999       if (anObj.get()) {
1000         static const GeomShapePtr anEmptyShape;
1001         setValue(anObj, anEmptyShape);
1002         return;
1003       }
1004     }
1005
1006     Model_SelectionNaming aSelNaming(selectionLabel());
1007     std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
1008     ResultPtr aCont;
1009     if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
1010       // try to find the last context to find the up to date shape
1011       if (aCont->shape().get() && !aCont->shape()->isNull() &&
1012         aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
1013         const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
1014         if (!aConShape.IsNull()) {
1015           Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
1016           if (!aNS.IsNull()) {
1017             aNS = TNaming_Tool::CurrentNamedShape(aNS);
1018             if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
1019               TDF_Label aLab = aNS->Label();
1020               if (aLab.Depth() % 2 == 0)
1021                 aLab = aLab.Father();
1022               ObjectPtr anObj = aDoc->objects()->object(aLab);
1023               while(!anObj.get() && aLab.Depth() > 5) {
1024                 aLab = aLab.Father().Father();
1025                 anObj = aDoc->objects()->object(aLab);
1026               }
1027
1028               if (anObj.get()) {
1029                 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1030                 if (aRes)
1031                   aCont = aRes;
1032               }
1033             }
1034           }
1035         }
1036       }
1037       // if compsolid is context, try to take sub-solid as context: like in GUI and scripts
1038       if (aCont.get() && aShapeToBeSelected.get()) {
1039         ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aCont);
1040         if (aComp && aComp->numberOfSubs()) {
1041           std::list<ResultPtr> allSubs;
1042           ModelAPI_Tools::allSubs(aComp, allSubs);
1043           std::list<ResultPtr>::iterator aS = allSubs.begin();
1044           for(; aS != allSubs.end(); aS++) {
1045             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aS);
1046             if (aSub && aSub->numberOfSubs() == 0 && aSub->shape().get() &&
1047                 aSub->shape()->isSubShape(aShapeToBeSelected)) {
1048               aCont = aSub;
1049               break;
1050             }
1051           }
1052         }
1053       }
1054       // try to find the latest active result that must be used instead of the selected
1055       // to set the active context (like in GUI selection), not concealed one
1056       bool aFindNewContext = true;
1057       while(aFindNewContext && aCont.get()) {
1058         aFindNewContext = false;
1059         // take references to all results: root one, any sub
1060         ResultBodyPtr aCompContext = ModelAPI_Tools::bodyOwner(aCont, true);
1061         std::list<ResultPtr> allRes;
1062         if (aCompContext.get()) {
1063           ModelAPI_Tools::allSubs(aCompContext, allRes);
1064           allRes.push_back(aCompContext);
1065         } else {
1066           allRes.push_back(aCont);
1067         }
1068         for(std::list<ResultPtr>::iterator aSub = allRes.begin(); aSub != allRes.end(); aSub++) {
1069           ResultPtr aResCont = *aSub;
1070           ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResCont);
1071           // only lower and higher level subs are counted
1072           if (aResBody.get() && aResBody->numberOfSubs() > 0 && aResBody != aCompContext)
1073             continue;
1074           const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
1075           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1076           for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
1077             if (!aRef->get() || !(*aRef)->owner().get())
1078               continue;
1079             // concealed attribute only
1080             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1081             if (!ModelAPI_Session::get()->validators()->isConcealed(
1082               aRefFeat->getKind(), (*aRef)->id()))
1083               continue;
1084             // search the feature result that contains sub-shape selected
1085             std::list<std::shared_ptr<ModelAPI_Result> > aResults;
1086
1087             // take all sub-results or one result
1088             std::list<ResultPtr> aRefFeatResults;
1089             ModelAPI_Tools::allResults(aRefFeat, aRefFeatResults);
1090             std::list<ResultPtr>::iterator aRefResIter = aRefFeatResults.begin();
1091             for(; aRefResIter != aRefFeatResults.end(); aRefResIter++) {
1092               ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRefResIter);
1093               if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1094                 aResults.push_back(aBody);
1095             }
1096             std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
1097             for(; aResIter != aResults.end(); aResIter++) {
1098               if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
1099                 continue;
1100               GeomShapePtr aShape = (*aResIter)->shape();
1101               GeomShapePtr aSelectedShape =
1102                 aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
1103               if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
1104                 aCont = *aResIter; // found new context (produced from this) with same subshape
1105                 aFindNewContext = true; // continue searching futher
1106                 break;
1107               }
1108             }
1109           }
1110         }
1111       }
1112
1113       if (aCenterType != NOT_CENTER) {
1114         if (!aShapeToBeSelected->isEdge())
1115           continue;
1116         std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
1117         setValueCenter(aCont, aSelectedEdge, aCenterType);
1118       } else
1119         setValue(aCont, aShapeToBeSelected);
1120       return;
1121     }
1122   }
1123
1124   TDF_Label aSelLab = selectionLabel();
1125   setInvalidIfFalse(aSelLab, false);
1126   reset();
1127 }
1128
1129 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1130                                               const GeomPointPtr& thePoint)
1131 {
1132   if (theType.empty() || !thePoint)
1133     return;
1134
1135   // list of parent features
1136   FeaturePtr anOwner = ModelAPI_Feature::feature(owner());
1137   std::set<FeaturePtr> aParents = ModelAPI_Tools::getParents(anOwner);
1138
1139   int aSelectionIndex = 0;
1140   GeomAPI_Shape::ShapeType aType = GeomAPI_Shape::shapeTypeByStr(theType);
1141   if (aType == GeomAPI_Shape::SHAPE) {
1142     // possibly, the string consists of the type and the index,
1143     // thus, try to separate them
1144     size_t aUndersporePos = theType.find_first_of('_');
1145     if (aUndersporePos != std::string::npos)
1146       aType = GeomAPI_Shape::shapeTypeByStr(theType.substr(0, aUndersporePos));
1147
1148     if (aType != GeomAPI_Shape::SHAPE) {
1149       for (std::string::const_iterator aChar = theType.begin() + aUndersporePos + 1;
1150            aChar != theType.end(); ++aChar) {
1151         if (std::isdigit(*aChar))
1152           aSelectionIndex = aSelectionIndex * 10 + (*aChar - '0');
1153         else {
1154           aSelectionIndex = 1;
1155           break;
1156         }
1157       }
1158       aSelectionIndex -= 1;
1159     }
1160   }
1161
1162   std::list<ModelGeomAlgo_Shape::SubshapeOfResult> anAppropriate;
1163
1164   // collect features from PartSet and the current part
1165   SessionPtr aSession = ModelAPI_Session::get();
1166   std::list<FeaturePtr> aFeatures = aSession->moduleDocument()->allFeatures();
1167   if (aSession->moduleDocument() != owner()->document()) {
1168     std::list<FeaturePtr> aPartFeatures = owner()->document()->allFeatures();
1169     aFeatures.insert(aFeatures.end(), aPartFeatures.begin(), aPartFeatures.end());
1170   }
1171   // Process results of all features from the last to the first
1172   // to find appropriate sub-shape
1173   for (std::list<FeaturePtr>::const_reverse_iterator anIt = aFeatures.rbegin();
1174        anIt != aFeatures.rend(); ++anIt) {
1175     // selection cannot be linked to the parent features
1176     if (aParents.find(*anIt) != aParents.end())
1177       continue;
1178     // check the feature is a part of composite feature (like sketch elements),
1179     // then do not process it, it will be processed in scope of composite feature
1180     bool isSubOfComposite = false;
1181     const std::set<AttributePtr>& aRefs = (*anIt)->data()->refsToMe();
1182     for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
1183          aRefIt != aRefs.end() && !isSubOfComposite; ++aRefIt) {
1184       FeaturePtr aFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
1185       CompositeFeaturePtr aCompFeature =
1186           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
1187       isSubOfComposite = aCompFeature && aCompFeature->isSub(*anIt);
1188     }
1189     if (isSubOfComposite)
1190       continue;
1191
1192     // process results of the current feature to find appropriate sub-shape
1193     if (ModelGeomAlgo_Shape::findSubshapeByPoint(*anIt, thePoint, aType, anAppropriate)) {
1194       std::list<ModelGeomAlgo_Shape::SubshapeOfResult>::iterator anApIt = anAppropriate.begin();
1195       for (; aSelectionIndex > 0 && anApIt != anAppropriate.end(); --aSelectionIndex)
1196         ++anApIt; // skip this shape, because one of the previous is selected
1197
1198       if (anApIt != anAppropriate.end()) {
1199         if (anApIt->myCenterType == (int)ModelAPI_AttributeSelection::NOT_CENTER)
1200           setValue(anApIt->myResult, anApIt->mySubshape);
1201         else
1202           setValueCenter(anApIt->myResult, anApIt->mySubshape->edge(),
1203                          (ModelAPI_AttributeSelection::CenterType)anApIt->myCenterType);
1204         return;
1205       }
1206     }
1207   }
1208
1209   TDF_Label aSelLab = selectionLabel();
1210   setInvalidIfFalse(aSelLab, false);
1211   reset();
1212 }
1213
1214 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1215   const std::string& theContextName, const int theIndex)
1216 {
1217   // selection of context by name
1218   //std::string aNamingContextName = theContextName + "/";
1219   //selectSubShape(theType, aNamingContextName);
1220   std::shared_ptr<Model_Document> aDoc =
1221     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1222   if (aDoc.get()) {
1223     bool aUnique = true;
1224     std::string aContextName = theContextName;
1225     std::string anEmptySub = "";
1226     ResultPtr aContext = aDoc->findByName(aContextName, anEmptySub, aUnique);
1227     //ResultPtr aContext = context();
1228     if (aContext.get()) {
1229       GeomShapePtr aContShape = aContext->shape();
1230       if (aContShape.get()) {
1231         GeomAlgoAPI_NExplode aNExp(aContShape, GeomAPI_Shape::shapeTypeByStr(theType));
1232         GeomShapePtr aValue = aNExp.shape(theIndex);
1233         if (aValue.get())
1234           setValue(aContext, aValue);
1235       }
1236     }
1237   }
1238 }
1239
1240 int Model_AttributeSelection::Id()
1241 {
1242   int anID = 0;
1243   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1244   ResultPtr aContextRes = context();
1245   // support for compsolids:
1246   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1247     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1248   }
1249   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1250
1251
1252   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1253   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1254   // searching for the latest main shape
1255   if (aSelection && !aSelection->isNull() && aContext && !aContext->isNull())
1256   {
1257     std::shared_ptr<Model_Document> aDoc =
1258       std::dynamic_pointer_cast<Model_Document>(context()->document());
1259     if (aDoc.get()) {
1260       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1261       if (!aNS.IsNull()) {
1262         aMainShape = TNaming_Tool::CurrentShape(aNS);
1263       }
1264     }
1265
1266     TopTools_IndexedMapOfShape aSubShapesMap;
1267     TopExp::MapShapes(aMainShape, aSubShapesMap);
1268     anID = aSubShapesMap.FindIndex(aSubShape);
1269   }
1270   return anID;
1271 }
1272
1273 void Model_AttributeSelection::setId(int theID)
1274 {
1275   std::shared_ptr<GeomAPI_Shape> aSelection;
1276
1277   ResultPtr aContextRes = context();
1278   // support for compsolids:
1279   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1280     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1281   }
1282   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1283
1284   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1285   // searching for the latest main shape
1286   if (theID > 0 && aContext && !aContext->isNull())
1287   {
1288     std::shared_ptr<Model_Document> aDoc =
1289       std::dynamic_pointer_cast<Model_Document>(aContextRes->document());
1290     if (aDoc.get()) {
1291       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1292       if (!aNS.IsNull()) {
1293         aMainShape = TNaming_Tool::CurrentShape(aNS);
1294       }
1295     }
1296
1297     TopTools_IndexedMapOfShape aSubShapesMap;
1298     TopExp::MapShapes(aMainShape, aSubShapesMap);
1299     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1300
1301     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1302     aResult->setImpl(new TopoDS_Shape(aSelShape));
1303
1304     aSelection = aResult;
1305   }
1306
1307   setValue(aContextRes, aSelection);
1308 }
1309
1310 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1311 {
1312   std::string aResult;
1313   if (owner()->document() != theContext->document()) {
1314     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1315       aResult = theContext->document()->kind() + "/";
1316     } else {
1317       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1318         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1319       if (aDocRes.get()) {
1320         aResult = aDocRes->data()->name() + "/";
1321       }
1322     }
1323   }
1324   aResult += theContext->data()->name();
1325   return aResult;
1326 }
1327
1328 void Model_AttributeSelection::computeValues(
1329   ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
1330   TopTools_ListOfShape& theShapes)
1331 {
1332   bool aWasWholeContext = theValShape.IsNull();
1333   if (aWasWholeContext) {
1334     //theShapes.Append(theValShape);
1335     //return;
1336     theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
1337   }
1338   //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
1339   TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
1340   //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
1341     //theShapes.Append(aNewContShape);
1342     //return;
1343   //}
1344   // if a new value is unchanged in the new context, do nothing: value is correct
1345   TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
1346   for(; aSubExp.More(); aSubExp.Next()) {
1347     if (aSubExp.Current().IsSame(theValShape)) {
1348       theShapes.Append(theValShape);
1349       return;
1350     }
1351   }
1352   // if new context becomes compsolid, the resulting sub may be in sub-solids
1353   std::list<ResultPtr> aNewToIterate;
1354   aNewToIterate.push_back(theNewContext);
1355   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theNewContext);
1356   if (aComp.get()) {
1357     std::list<ResultPtr> allNewContextSubs;
1358     ModelAPI_Tools::allSubs(aComp, allNewContextSubs);
1359     std::list<ResultPtr>::iterator aSub = allNewContextSubs.begin();
1360     for(; aSub != allNewContextSubs.end(); aSub++) {
1361       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSub);
1362       if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1363         aNewToIterate.push_back(aBody);
1364     }
1365   }
1366
1367   // first iteration: searching for the whole shape appearance (like face of the box)
1368   // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
1369   int aToFindPart = 0;
1370   TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
1371   TopTools_MapOfShape anOlds; // to know how many olds produced new containers
1372   for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
1373     std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
1374     for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
1375       std::shared_ptr<Model_Data> aNewData =
1376         std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
1377       TDF_Label aNewLab = aNewData->label();
1378       // searching for produced sub-shape fully on some label
1379       TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
1380       for(; aNSIter.More(); aNSIter.Next()) {
1381         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
1382         for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
1383           if (aToFindPart == 0) { // search shape is fully inside
1384             if (aPairIter.OldShape().IsSame(theValShape)) {
1385               if (aPairIter.NewShape().IsNull()) {// value was removed
1386                 theShapes.Clear();
1387                 return;
1388               }
1389               theShapes.Append(aPairIter.NewShape());
1390             }
1391           } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
1392             TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
1393             for(; anExp.More(); anExp.Next()) {
1394               if (anExp.Current().IsSame(theValShape)) { // found a new container
1395                 if (aPairIter.NewShape().IsNull()) {// value was removed
1396                   theShapes.Clear();
1397                   return;
1398                 }
1399                 aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
1400                 anOlds.Add(aPairIter.OldShape());
1401                 break;
1402               }
1403             }
1404           }
1405         }
1406       }
1407     }
1408   }
1409   if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
1410     // map of sub-shapes -> number of occurences of these shapes in containers
1411     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
1412     TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
1413     for(; aContIter.More(); aContIter.Next()) {
1414       TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
1415       for(; aSubExp.More(); aSubExp.Next()) {
1416         if (!aSubs.IsBound(aSubExp.Current())) {
1417           aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
1418         }
1419         // store old to know how many olds produced this shape
1420         aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
1421       }
1422     }
1423     // if sub is appeared same times in containers as the number of old shapes that contain it
1424     int aCountInOld = anOlds.Size();
1425     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
1426       aSubsIter(aSubs);
1427     for(; aSubsIter.More(); aSubsIter.Next()) {
1428       if (aSubsIter.Value().Size() == aCountInOld) {
1429         theShapes.Append(aSubsIter.Key());
1430       }
1431     }
1432   }
1433   if (theShapes.IsEmpty()) { // nothing was changed
1434     theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
1435   }
1436 }
1437
1438 bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
1439   const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
1440   TDF_Label theAccessLabel,
1441   std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
1442 {
1443   std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
1444   TopTools_ListOfShape aResContShapes;
1445   // iterate context and shape, but also if it is sub-shape of main shape, check also it
1446   TopTools_ListOfShape aContextList;
1447   aContextList.Append(theContShape);
1448   if (theContext.get()) {
1449     ResultPtr aComposite = ModelAPI_Tools::bodyOwner(theContext);
1450     if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
1451       aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
1452   }
1453   for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
1454     TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), theAccessLabel);
1455     for(; aModifIter.More(); aModifIter.Next()) {
1456       TDF_Label anObjLab = aModifIter.Label().Father();
1457       ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1458         (theDoc->objects()->object(anObjLab));
1459       if (!aModifierObj.get()) {
1460         // #2241: shape may be sub-element of new object, not main (shell created from faces)
1461         if (!anObjLab.IsRoot())
1462           aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1463           (theDoc->objects()->object(anObjLab.Father()));
1464         if (!aModifierObj.get())
1465           continue;
1466       }
1467       FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
1468       if (!aModifierFeat.get())
1469         continue;
1470       FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1471       if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
1472         continue; // the modifier feature is later than this, so, should not be used
1473       FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
1474       if (aCurrentModifierFeat == aModifierFeat ||
1475         theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
1476         continue; // the current modifier is later than the found, so, useless
1477       Handle(TNaming_NamedShape) aNewNS;
1478       aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
1479       if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
1480         aResults.insert(aModifierObj);
1481         //TNaming_Iterator aPairIter(aNewNS);
1482         //aResContShapes.Append(aPairIter.NewShape());
1483         aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
1484       } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
1485         aResults.insert(ResultPtr());
1486       } else { // not-precessed modification => don't support it
1487         continue;
1488       }
1489     }
1490   }
1491   if (aResults.empty())
1492     return false; // no modifications found, must stay the same
1493   // iterate all results to find futher modifications
1494   std::set<ResultPtr>::iterator aResIter = aResults.begin();
1495   for(; aResIter != aResults.end(); aResIter++) {
1496     if (aResIter->get() != NULL) {
1497       // compute new values by two contextes: the old and the new
1498       TopTools_ListOfShape aValShapes;
1499       computeValues(theContext, *aResIter, theValShape, aValShapes);
1500
1501       TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
1502       for(; aNewVal.More(); aNewVal.Next()) {
1503         std::list<ResultPtr> aNewRes;
1504         TopTools_ListOfShape aNewUpdatedVal;
1505         TopoDS_Shape aNewValSh = aNewVal.Value();
1506         TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
1507         if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
1508           aNewValSh.Nullify();
1509         if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
1510                              theAccessLabel, aNewRes, aNewUpdatedVal))
1511         {
1512           // appeand new results instead of the current ones
1513           std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
1514           TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
1515           for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
1516             theResults.push_back(*aNewIter);
1517             theValShapes.Append(aNewUpdVal.Value());
1518           }
1519         } else { // the current result is good
1520           theResults.push_back(*aResIter);
1521           theValShapes.Append(aNewValSh);
1522         }
1523       }
1524     }
1525   }
1526   return true; // theResults must be empty: everything is deleted
1527 }
1528
1529 void Model_AttributeSelection::updateInHistory()
1530 {
1531   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
1532   // only bodies and parts may be modified later in the history, don't do anything otherwise
1533   if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
1534       aContext->groupName() != ModelAPI_ResultPart::group()))
1535     return;
1536   std::shared_ptr<Model_Document> aDoc =
1537     std::dynamic_pointer_cast<Model_Document>(aContext->document());
1538   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
1539   if (!aContData.get() || !aContData->isValid())
1540     return;
1541   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
1542   Handle(TNaming_NamedShape) aContNS;
1543   if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
1544     bool aFoundNewContext = true;
1545     ResultPtr aNewContext = aContext;
1546     while(aFoundNewContext) {
1547       aFoundNewContext = false;
1548       // parts have no shape in result, so, trace references using the Part info
1549       if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
1550         ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
1551         if (aPartContext.get()) { // searching for the up to date references to the referenced cont
1552           const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
1553           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1554           for(; aRef != aRefs.end(); aRef++) {
1555             // to avoid detection of part changes by local selection only
1556             AttributeSelectionPtr aSel =
1557               std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
1558             if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
1559               continue;
1560
1561             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1562             if (aRefFeat.get() && aRefFeat != owner()) {
1563               FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1564               if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
1565                 aFoundNewContext = true;
1566                 aNewContext = aRefFeat->firstResult();
1567               }
1568             }
1569           }
1570         }
1571       }
1572     }
1573     if (aNewContext != aContext) {
1574       setValue(aNewContext, value());
1575     }
1576     return;
1577   }
1578   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1579   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
1580   // iterate the context shape modifications in order to find a feature that is upper in history
1581   // that this one and is really modifies the referenced result to refer to it
1582   ResultPtr aModifierResFound;
1583   TNaming_Iterator aPairIter(aContNS);
1584   if (!aPairIter.More())
1585     return;
1586   TopoDS_Shape aNewCShape = aPairIter.NewShape();
1587   bool anIterate = true;
1588   // trying to update also the sub-shape selected
1589   GeomShapePtr aSubShape = value();
1590   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
1591     aSubShape.reset();
1592   TopoDS_Shape aValShape;
1593   if (aSubShape.get()) {
1594     aValShape = aSubShape->impl<TopoDS_Shape>();
1595   }
1596
1597   std::list<ResultPtr> aNewContexts;
1598   TopTools_ListOfShape aValShapes;
1599   if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
1600   {
1601     // update scope to reset to a new one
1602     myScope.Clear();
1603
1604     std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
1605     TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
1606     if (aNewCont == aNewContexts.end()) { // all results were deleted
1607       ResultPtr anEmptyContext;
1608       std::shared_ptr<GeomAPI_Shape> anEmptyShape;
1609       setValue(anEmptyContext, anEmptyShape); // nullify the selection
1610       return;
1611     }
1612
1613     GeomShapePtr aValueShape;
1614     if (!aNewValues.Value().IsNull()) {
1615       aValueShape = std::make_shared<GeomAPI_Shape>();
1616       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1617     }
1618     setValue(*aNewCont, aValueShape);
1619     // if there are more than one result, put them by "append" into "parent" list
1620     if (myParent) {
1621       for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
1622           aNewCont++, aNewValues.Next()) {
1623         GeomShapePtr aValueShape;
1624         if (!aNewValues.Value().IsNull()) {
1625           aValueShape = std::make_shared<GeomAPI_Shape>();
1626           aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1627         }
1628
1629         // Check that list has the same type of shape selection before adding.
1630         GeomAPI_Shape::ShapeType aListShapeType = GeomAPI_Shape::SHAPE;
1631         if (myParent->selectionType() == "VERTEX") aListShapeType = GeomAPI_Shape::VERTEX;
1632         else if (myParent->selectionType() == "EDGE") aListShapeType = GeomAPI_Shape::EDGE;
1633         else if (myParent->selectionType() == "FACE") aListShapeType = GeomAPI_Shape::FACE;
1634
1635         GeomAPI_Shape::ShapeType aShapeShapeType = GeomAPI_Shape::SHAPE;
1636         if (aValueShape.get()) {
1637           aShapeShapeType = aValueShape->shapeType();
1638         } else {
1639           (*aNewCont)->shape()->shapeType();
1640         }
1641
1642         if (aListShapeType != GeomAPI_Shape::SHAPE && aListShapeType != aShapeShapeType) {
1643           continue;
1644         }
1645
1646         myParent->append(*aNewCont, aValueShape);
1647       }
1648     }
1649   }
1650 }
1651
1652 void Model_AttributeSelection::setParent(Model_AttributeSelectionList* theParent)
1653 {
1654   myParent = theParent;
1655 }
1656
1657 bool Model_AttributeSelection::isWeakNaming()
1658 {
1659   return selectionLabel().IsAttribute(kWEAK_NAMING);
1660 }
1661
1662 std::string Model_AttributeSelection::contextName(const TDF_Label theSelectionLab)
1663 {
1664   DocumentPtr aMyDoc = owner()->document();
1665   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
1666   FeaturePtr aFeatureOwner = aDoc->featureByLab(theSelectionLab);
1667   if (aFeatureOwner.get()) {
1668     // if it is sub-element of the sketch, the context name is the name of the sketch
1669     // searching also for result - real context
1670     ResultPtr aResult;
1671     FeaturePtr aComposite = ModelAPI_Tools::compositeOwner(aFeatureOwner);
1672     if (aComposite.get() && aComposite->results().size() == 1 &&
1673         aComposite->firstResult()->groupName() == ModelAPI_ResultConstruction::group()) {
1674       aFeatureOwner = aComposite;
1675       aResult = aFeatureOwner->firstResult();
1676     } else {
1677       aResult = aDoc->resultByLab(theSelectionLab);
1678     }
1679     if (aResult.get()) {
1680       // this is to avoid duplicated names of results problem
1681       std::string aContextName = aResult->data()->name();
1682       // myLab corresponds to the current time
1683       TDF_Label aCurrentLab = selectionLabel();
1684       while(aCurrentLab.Depth() > 3)
1685         aCurrentLab = aCurrentLab.Father();
1686
1687       int aNumInHistoryNames =
1688         aDoc->numberOfNameInHistory(aResult, aCurrentLab);
1689       while(aNumInHistoryNames > 1) { // add "_" before name the needed number of times
1690         aContextName = "_" + aContextName;
1691         aNumInHistoryNames--;
1692       }
1693       return aContextName;
1694     }
1695   }
1696   return ""; // invalid case
1697 }