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
  47 #include <TNaming_Selector.hxx>
  48 #include <TNaming_NamedShape.hxx>
  49 #include <TNaming_Tool.hxx>
  50 #include <TNaming_Builder.hxx>
  51 #include <TNaming_SameShapeIterator.hxx>
  52 #include <TNaming_Iterator.hxx>
  53 #include <TDataStd_Integer.hxx>
  54 #include <TDataStd_UAttribute.hxx>
  55 #include <TDataStd_Name.hxx>
  56 #include <TopTools_ListOfShape.hxx>
  57 #include <TopTools_DataMapOfShapeShape.hxx>
  58 #include <TopTools_MapOfShape.hxx>
  59 #include <TopExp_Explorer.hxx>
  60 #include <BRep_Tool.hxx>
  61 #include <TopoDS.hxx>
  62 #include <TopExp.hxx>
  63 #include <TDF_ChildIterator.hxx>
  64 #include <TDF_ChildIDIterator.hxx>
  65 #include <TopoDS_Iterator.hxx>
  66 #include <TDF_ChildIDIterator.hxx>
  67 #include <Geom_Circle.hxx>
  68 #include <Geom_Ellipse.hxx>
  69 #include <BRep_Builder.hxx>
  70
  71 //#define DEB_NAMING 1
  72 #ifdef DEB_NAMING
  73 #include <BRepTools.hxx>
  74 #endif
  75 /// added to the index in the packed map to signalize that the vertex of edge is selected
  76 /// (multiplied by the index of the edge)
  77 static const int kSTART_VERTEX_DELTA = 1000000;
  78 // identifier that there is simple reference: selection equals to context
  79 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  80 // reference to Part sub-object
  81 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  82 // selection is invalid after recomputation
  83 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  84
  85 // identifier of the selection of the center of circle on edge
  86 Standard_GUID kCIRCLE_CENTER("d0d0e0f1-217a-4b95-8fbb-0c4132f23718");
  87 // identifier of the selection of the first focus point of ellipse on edge
  88 Standard_GUID kELLIPSE_CENTER1("f70df04c-3168-4dc9-87a4-f1f840c1275d");
  89 // identifier of the selection of the second focus point of ellipse on edge
  90 Standard_GUID kELLIPSE_CENTER2("1395ae73-8e02-4cf8-b204-06ff35873a32");
  91 // identifier of the weak naming index
  92 Standard_GUID kWEAK_NAMING("9dcdd9be-a3a9-46eb-9b16-1c957ab20142");
  93 // identifier of the weak naming sub-shape type
  94 Standard_GUID kWEAK_NAMING_SHAPETYPE("6b9cc709-e320-4a1f-9c42-df5622369ea7");
  95
  96 // prefix for the whole feature context identification
  97 const static std::string kWHOLE_FEATURE = "all-in-";
  98
  99 // on this label is stored:
 100 // TNaming_NamedShape - selected shape
 101 // TNaming_Naming - topological selection information (for the body)
 102 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
 103 // TDataStd_Integer - type of the selected shape (for construction)
 104 // TDF_Reference - from ReferenceAttribute, the context
 105 bool Model_AttributeSelection::setValue(const ObjectPtr& theContext,
 106   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 107 {
 108   if (theTemporarily &&
 109       (!theContext.get() || theContext->groupName() != ModelAPI_Feature::group())) {
 110     // just keep the stored without DF update
 111     myTmpContext = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 112     myTmpSubShape = theSubShape;
 113     owner()->data()->sendAttributeUpdated(this);
 114     return true;
 115   } else {
 116     myTmpContext.reset();
 117     myTmpSubShape.reset();
 118     myTmpCenterType = NOT_CENTER;
 119   }
 120
 121   CenterType aType;
 122   const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
 123   bool isOldContext = theContext == myRef.value();
 124   bool isOldShape = isOldContext &&
 125     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 126   if (isOldShape) return false; // shape is the same, so context is also unchanged
 127   bool aToUnblock = false;
 128   // update the referenced object if needed
 129   if (!isOldContext) {
 130     aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
 131     myRef.setValue(theContext);
 132   }
 133
 134   // do noth use naming if selected shape is result shape itself, but not sub-shape
 135   TDF_Label aSelLab = selectionLabel();
 136   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 137   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 138   aSelLab.ForgetAttribute(kCIRCLE_CENTER);
 139   aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
 140   aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 141   aSelLab.ForgetAttribute(kWEAK_NAMING);
 142   aSelLab.ForgetAttribute(kWEAK_NAMING_SHAPETYPE);
 143
 144   bool isDegeneratedEdge = false;
 145   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 146   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 147     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 148     if (aSubShape.ShapeType() == TopAbs_EDGE)
 149       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 150   }
 151   if (!theContext.get() || isDegeneratedEdge) {
 152     // to keep the reference attribute label
 153     TDF_Label aRefLab = myRef.myRef->Label();
 154     aSelLab.ForgetAllAttributes(true);
 155     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 156     if (aToUnblock)
 157       owner()->data()->blockSendAttributeUpdated(false);
 158     return false;
 159   }
 160   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 161     ResultBodyPtr aContextBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);
 162     // do not select the whole shape for body:it is already must be in the data framework
 163     // equal and null selected objects mean the same: object is equal to context,
 164     if (aContextBody->shape().get() &&
 165         (aContextBody->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 166       aSelLab.ForgetAllAttributes(true);
 167       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 168     } else {
 169       selectBody(aContextBody, theSubShape);
 170     }
 171   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 172     ResultConstructionPtr aContextConstruction =
 173       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 174     aSelLab.ForgetAllAttributes(true); // to remove old selection data
 175     std::shared_ptr<Model_ResultConstruction> aConstruction =
 176       std::dynamic_pointer_cast<Model_ResultConstruction>(theContext);
 177     std::shared_ptr<GeomAPI_Shape> aSubShape;
 178     if (theSubShape.get() && !aContextConstruction->shape()->isEqual(theSubShape))
 179       aSubShape = theSubShape; // the whole context
 180     if (aConstruction->isInfinite()) {
 181       // For correct naming selection, put the shape into the naming structure.
 182       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 183       TNaming_Builder aBuilder(aSelLab);
 184       aBuilder.Generated(aContextConstruction->shape()->impl<TopoDS_Shape>());
 185     }
 186     int anIndex = aConstruction->select(theSubShape, owner()->document());
 187     TDataStd_Integer::Set(aSelLab, anIndex);
 188   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 189     aSelLab.ForgetAllAttributes(true);
 190     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 191     selectPart(std::dynamic_pointer_cast<ModelAPI_Result>(theContext), theSubShape);
 192   } else { // check the feature context: parent-Part of this feature should not be used
 193     FeaturePtr aFeatureContext = std::dynamic_pointer_cast<ModelAPI_Feature>(theContext);
 194     if (aFeatureContext.get()) {
 195       if (owner()->document() != aFeatureContext->document()) {
 196         aSelLab.ForgetAllAttributes(true);
 197         myRef.setValue(ObjectPtr());
 198         if (aToUnblock)
 199           owner()->data()->blockSendAttributeUpdated(false);
 200         return false;
 201       }
 202     }
 203   }
 204
 205   owner()->data()->sendAttributeUpdated(this);
 206
 207   if (aToUnblock)
 208     owner()->data()->blockSendAttributeUpdated(false);
 209
 210   return true;
 211 }
 212
 213 void Model_AttributeSelection::setValueCenter(
 214     const ObjectPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
 215     const CenterType theCenterType, const bool theTemporarily)
 216 {
 217   bool anUpdated = setValue(theContext, theEdge, theTemporarily);
 218   if (theTemporarily) {
 219     myTmpCenterType = theCenterType;
 220   } else { // store in the data structure
 221     TDF_Label aSelLab = selectionLabel();
 222     switch(theCenterType) {
 223     case CIRCLE_CENTER:
 224       if (!anUpdated)
 225         anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
 226       TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
 227       break;
 228     case ELLIPSE_FIRST_FOCUS:
 229       if (!anUpdated)
 230         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
 231       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
 232       break;
 233     case ELLIPSE_SECOND_FOCUS:
 234       if (!anUpdated)
 235         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
 236       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
 237       break;
 238     }
 239     if (anUpdated)
 240       owner()->data()->sendAttributeUpdated(this);
 241   }
 242 }
 243
 244 void Model_AttributeSelection::selectValue(
 245     const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
 246 {
 247   CenterType aType;
 248   std::shared_ptr<GeomAPI_Shape> aValue =
 249     std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
 250   if (!aValue.get() || aType == NOT_CENTER) {
 251     setValue(theSource->context(), aValue);
 252   } else {
 253     std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
 254     anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
 255     setValueCenter(theSource->context(), anEdge, aType);
 256   }
 257 }
 258
 259 void Model_AttributeSelection::removeTemporaryValues()
 260 {
 261   if (myTmpContext.get() || myTmpSubShape.get()) {
 262     myTmpContext.reset();
 263     myTmpSubShape.reset();
 264   }
 265 }
 266
 267 // returns the center of the edge: circular or elliptical
 268 GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
 269 {
 270   if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
 271     TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
 272     if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
 273       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
 274       double aFirst, aLast;
 275       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 276       if (!aCurve.IsNull()) {
 277         TopoDS_Vertex aVertex;
 278         BRep_Builder aBuilder;
 279         if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
 280           Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
 281           if (!aCirc.IsNull()) {
 282             aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
 283           }
 284         } else { // ellipse
 285           Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
 286           if (!anEll.IsNull()) {
 287             aBuilder.MakeVertex(aVertex,
 288               theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
 289               anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
 290           }
 291         }
 292         if (!aVertex.IsNull()) {
 293           std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
 294           aResult->setImpl(new TopoDS_Vertex(aVertex));
 295           return aResult;
 296         }
 297       }
 298     }
 299   }
 300   return theEdge; // no vertex, so, return the initial edge
 301 }
 302
 303 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 304 {
 305   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 306     return std::shared_ptr<GeomAPI_Shape>();
 307   CenterType aType = NOT_CENTER;
 308   std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
 309   return centerByEdge(aResult, aType);
 310 }
 311
 312 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
 313 {
 314   theType = NOT_CENTER;
 315   GeomShapePtr aResult;
 316   if (myTmpContext.get() || myTmpSubShape.get()) {
 317     theType = myTmpCenterType;
 318     ResultConstructionPtr aResulConstruction =
 319       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 320     if(aResulConstruction.get()) {
 321       // it is just reference to construction.
 322       return myTmpSubShape;
 323     }
 324     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 325   }
 326
 327   TDF_Label aSelLab = selectionLabel();
 328   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 329     return aResult;
 330
 331   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
 332     theType = CIRCLE_CENTER;
 333   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
 334     theType = ELLIPSE_FIRST_FOCUS;
 335   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
 336     theType = ELLIPSE_SECOND_FOCUS;
 337
 338
 339   if (myRef.isInitialized()) {
 340     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 341       ResultPtr aContext = context();
 342       if (!aContext.get())
 343         return aResult; // empty result
 344       return aContext->shape();
 345     }
 346     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 347       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 348       if (!aPart.get() || !aPart->isActivated())
 349         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 350       Handle(TDataStd_Integer) anIndex;
 351       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 352         if (anIndex->Get()) { // special selection attribute was created, use it
 353           return aPart->selectionValue(anIndex->Get());
 354         } else { // face with name is already in the data model, so try to take it by name
 355           Handle(TDataStd_Name) aName;
 356           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
 357             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 358             std::size_t aPartEnd = aSubShapeName.find('/');
 359             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 360               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 361               int anIndex;
 362               std::string aType; // to reuse already existing selection the type is not needed
 363               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 364             }
 365           }
 366         }
 367       }
 368     }
 369
 370     std::shared_ptr<Model_ResultConstruction> aConstr =
 371       std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 372     if (aConstr) {
 373       if (aConstr->isInfinite())
 374         return aResult; // empty result
 375     }
 376     if (!aConstr.get()) { // for construction context, return empty result as usual even
 377       // the whole feature is selected
 378       FeaturePtr aFeature = contextFeature();
 379       if (aFeature.get()) {
 380         std::list<GeomShapePtr> allShapes;
 381         std::list<ResultPtr>::const_iterator aRes = aFeature->results().cbegin();
 382         for (; aRes != aFeature->results().cend(); aRes++) {
 383           if (aRes->get() && !(*aRes)->isDisabled()) {
 384             GeomShapePtr aShape = (*aRes)->shape();
 385             if (aShape.get() && !aShape->isNull()) {
 386               allShapes.push_back(aShape);
 387             }
 388           }
 389         }
 390         return GeomAlgoAPI_CompoundBuilder::compound(allShapes);
 391       }
 392     }
 393
 394     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 395       Handle(TDataStd_Integer) aWeakId;
 396       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 397       // get the context shape
 398       GeomShapePtr aContextShape;
 399       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(context());
 400       if (aBody.get()) {
 401         aContextShape = aBody->shape();
 402       } else {
 403         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 404         if (aResult) {
 405           aContextShape = aResult->shape();
 406         }
 407       }
 408       if (!aContextShape.get())
 409         return GeomShapePtr();
 410       Handle(TDataStd_Integer) aWeakShapeType;
 411       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 412       GeomAlgoAPI_NExplode aNExplode(
 413         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 414       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 415       return aValue;
 416     }
 417
 418     Handle(TNaming_NamedShape) aSelection;
 419     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 420       TopoDS_Shape aSelShape = aSelection->Get();
 421       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 422       aResult->setImpl(new TopoDS_Shape(aSelShape));
 423     } else if (aConstr) { // simple construction element: just shape of this construction element
 424       Handle(TDataStd_Integer) anIndex;
 425       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 426         if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
 427           return aResult;
 428         return aConstr->shape(anIndex->Get(), owner()->document());
 429       }
 430     }
 431   }
 432   return aResult;
 433 }
 434
 435 bool Model_AttributeSelection::isInvalid()
 436 {
 437   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 438 }
 439
 440 bool Model_AttributeSelection::isInitialized()
 441 {
 442   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 443     std::shared_ptr<GeomAPI_Shape> aResult;
 444     if (myRef.isInitialized()) {
 445       TDF_Label aSelLab = selectionLabel();
 446       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 447         ResultPtr aContext = context();
 448         return aContext.get() != NULL;
 449       }
 450       Handle(TNaming_NamedShape) aSelection;
 451       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 452         return !aSelection->Get().IsNull();
 453       } else { // for simple construction element: just shape of this construction element
 454         std::shared_ptr<Model_ResultConstruction> aConstr =
 455           std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 456         if (aConstr.get()) {
 457           Handle(TDataStd_Integer) anIndex;
 458           if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 459             // for the whole shape it may return null, so, if index exists, returns true
 460             return true;
 461           }
 462         }
 463         // for the whole feature, a feature object
 464         FeaturePtr aFeat = contextFeature();
 465         if (aFeat.get())
 466           return true;
 467       }
 468     }
 469   }
 470   return false;
 471 }
 472
 473 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 474   : myRef(theLabel)
 475 {
 476   myIsInitialized = myRef.isInitialized();
 477   myParent = NULL;
 478 }
 479
 480 void Model_AttributeSelection::setID(const std::string theID)
 481 {
 482   myRef.setID(theID);
 483   ModelAPI_AttributeSelection::setID(theID);
 484 }
 485
 486 ResultPtr Model_AttributeSelection::context()
 487 {
 488   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 489     return ResultPtr();
 490
 491   if (myTmpContext.get() || myTmpSubShape.get()) {
 492     return myTmpContext;
 493   }
 494
 495   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 496   // for parts there could be same-data result, so take the last enabled
 497   if (aResult.get()) {
 498     if(aResult->groupName() == ModelAPI_ResultPart::group()) {
 499       int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 500       for(int a = aSize - 1; a >= 0; a--) {
 501         ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 502         if(aPart.get() && aPart->data() == aResult->data()) {
 503           ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 504           FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 505           // check that this result is not this-feature result (it is forbidden t oselect itself)
 506           if(anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 507             return aPartResult;
 508           }
 509         }
 510       }
 511     }
 512   } else { // if feature - construction is selected, it has only one result, return this result
 513     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 514     if (aFeature.get() && aFeature->results().size() == 1 &&
 515         aFeature->firstResult()->groupName() == ModelAPI_ResultConstruction::group())
 516       return aFeature->firstResult();
 517   }
 518   return aResult;
 519 }
 520
 521 FeaturePtr Model_AttributeSelection::contextFeature() {
 522   if (myTmpContext.get() || myTmpSubShape.get()) {
 523     return FeaturePtr(); // feature can not be selected temporarily
 524   }
 525   return std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 526 }
 527 ObjectPtr Model_AttributeSelection::contextObject() {
 528   FeaturePtr aRes = contextFeature();
 529   if (aRes.get())
 530     return aRes;
 531   return context();
 532 }
 533
 534
 535 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 536 {
 537   ModelAPI_AttributeSelection::setObject(theObject);
 538   myRef.setObject(theObject);
 539 }
 540
 541 TDF_LabelMap& Model_AttributeSelection::scope()
 542 {
 543   if (myScope.IsEmpty()) { // create a new scope if not yet done
 544     // gets all features with named shapes that are before this feature label (before in history)
 545     DocumentPtr aMyDoc = owner()->document();
 546     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 547     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 548     bool aMePassed = false;
 549     CompositeFeaturePtr aComposite =
 550       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 551     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 552     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 553     if (aFeature.get()) {
 554       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 555       if (aCompositeOwner.get()) {
 556          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 557       }
 558     }
 559     // for group Scope is not limitet: this is always up to date objects
 560     // this causes problem in galeries.py
 561     //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 562     for(; aFIter != allFeatures.end(); aFIter++) {
 563       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 564         aMePassed = true;
 565         continue;
 566       }
 567       //if (isGroup) aMePassed = false;
 568       bool isInScope = !aMePassed;
 569       if (!isInScope && aComposite.get()) {
 570         // try to add sub-elements of composite if this is composite
 571         if (aComposite->isSub(*aFIter))
 572           isInScope = true;
 573       }
 574       // remove the composite-owner of this feature (sketch in extrusion-cut)
 575       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 576         isInScope = false;
 577
 578       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 579         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 580           (*aFIter)->data())->label().Father();
 581         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), true);
 582         for(; aNSIter.More(); aNSIter.Next()) {
 583           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 584           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 585             myScope.Add(aNS->Label());
 586           }
 587         }
 588       }
 589     }
 590     // also add all naming labels created for external constructions
 591     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
 592     TDF_Label anExtDocLab = aDoc->extConstructionsLabel();
 593     TDF_ChildIDIterator aNSIter(anExtDocLab, TNaming_NamedShape::GetID(), true);
 594     for(; aNSIter.More(); aNSIter.Next()) {
 595       Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 596       if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 597         myScope.Add(aNS->Label());
 598       }
 599     }
 600   }
 601   return myScope;
 602 }
 603
 604 /// Sets the invalid flag if flag is false, or removes it if "true"
 605 /// Returns theFlag
 606 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 607   if (theFlag) {
 608     theLab.ForgetAttribute(kINVALID_SELECTION);
 609   } else {
 610     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 611   }
 612   return theFlag;
 613 }
 614
 615 void Model_AttributeSelection::split(
 616   ResultPtr theContext, TopoDS_Shape theNewShape, TopAbs_ShapeEnum theType)
 617 {
 618   TopTools_ListOfShape aSubs;
 619   for(TopoDS_Iterator anExplorer(theNewShape); anExplorer.More(); anExplorer.Next()) {
 620     if (!anExplorer.Value().IsNull() &&
 621       anExplorer.Value().ShapeType() == theType) {
 622         aSubs.Append(anExplorer.Value());
 623     } else { // invalid case; bad result shape, so, impossible to split easily
 624       aSubs.Clear();
 625       break;
 626     }
 627   }
 628   if (aSubs.Extent() > 1) { // ok to split
 629     TopTools_ListIteratorOfListOfShape aSub(aSubs);
 630     GeomShapePtr aSubSh(new GeomAPI_Shape);
 631     aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 632     setValue(theContext, aSubSh);
 633     for(aSub.Next(); aSub.More(); aSub.Next()) {
 634       GeomShapePtr aSubSh(new GeomAPI_Shape);
 635       aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 636       myParent->append(theContext, aSubSh);
 637     }
 638   }
 639 }
 640
 641 bool Model_AttributeSelection::update()
 642 {
 643   FeaturePtr aContextFeature = contextFeature();
 644   if (aContextFeature.get()) {
 645     return true;
 646   }
 647   TDF_Label aSelLab = selectionLabel();
 648   ResultPtr aContext = context();
 649   if (!aContext.get())
 650     return setInvalidIfFalse(aSelLab, false);
 651   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 652     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 653   }
 654
 655   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 656     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 657     bool aResult = selectPart(aContext, aNoSelection, true);
 658     aResult = setInvalidIfFalse(aSelLab, aResult);
 659     if (aResult) {
 660       owner()->data()->sendAttributeUpdated(this);
 661     }
 662     return aResult;
 663   }
 664
 665   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 666     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 667       Handle(TDataStd_Integer) aWeakId;
 668       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 669       // get the context shape
 670       GeomShapePtr aContextShape;
 671       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aContext);
 672       if (aBody.get()) {
 673         aContextShape = aBody->shape();
 674       } else {
 675         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 676         if (aResult) {
 677           aContextShape = aResult->shape();
 678         }
 679       }
 680       if (!setInvalidIfFalse(aSelLab, aContextShape.get() != NULL)) // context shape not found
 681         return false;
 682       Handle(TDataStd_Integer) aWeakShapeType;
 683       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 684       GeomAlgoAPI_NExplode aNExplode(
 685         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 686       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 687       return setInvalidIfFalse(aSelLab, aValue.get() != NULL);
 688     }
 689     // body: just a named shape, use selection mechanism from OCCT
 690     TNaming_Selector aSelector(aSelLab);
 691     TopoDS_Shape anOldShape;
 692     if (!aSelector.NamedShape().IsNull()) {
 693       anOldShape = aSelector.NamedShape()->Get();
 694     }
 695     bool aResult = aSelector.Solve(scope()) == Standard_True;
 696     // must be before sending of updated attribute (1556)
 697     aResult = setInvalidIfFalse(aSelLab, aResult);
 698     TopoDS_Shape aNewShape;
 699     if (!aSelector.NamedShape().IsNull()) {
 700       aNewShape = aSelector.NamedShape()->Get();
 701     }
 702     if (anOldShape.IsNull() || aNewShape.IsNull() ||
 703         !anOldShape.IsEqual(aSelector.NamedShape()->Get())) {
 704       // shape type shoud not not changed: if shape becomes compound of such shapes, then split
 705       if (myParent && !anOldShape.IsNull() && !aNewShape.IsNull() &&
 706           anOldShape.ShapeType() != aNewShape.ShapeType() &&
 707           (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID))
 708       {
 709         split(aContext, aNewShape, anOldShape.ShapeType());
 710       }
 711       owner()->data()->sendAttributeUpdated(this);  // send updated if shape is changed
 712     }
 713     return aResult;
 714   }
 715
 716   if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 717     Handle(TDataStd_Integer) anIndex;
 718     if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 719       std::shared_ptr<Model_ResultConstruction> aConstructionContext =
 720         std::dynamic_pointer_cast<Model_ResultConstruction>(aContext);
 721       bool aModified = true;
 722       bool aValid = aConstructionContext->update(anIndex->Get(), owner()->document(), aModified);
 723       setInvalidIfFalse(aSelLab, aValid);
 724       if (aConstructionContext->isInfinite()) {
 725         // Update the selected shape.
 726         TNaming_Builder aBuilder(aSelLab);
 727         aBuilder.Generated(aConstructionContext->shape()->impl<TopoDS_Shape>());
 728       }
 729       if (aModified)
 730         owner()->data()->sendAttributeUpdated(this);
 731       return aValid;
 732     }
 733   }
 734   return setInvalidIfFalse(aSelLab, false); // unknown case
 735 }
 736
 737 void Model_AttributeSelection::selectBody(
 738   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 739 {
 740   // perform the selection
 741   TNaming_Selector aSel(selectionLabel());
 742   TopoDS_Shape aContext;
 743
 744   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(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   Handle(TNaming_NamedShape) aResult;
 760   TDF_Label aSelLab = selectionLabel();
 761   TopoDS_Shape aNewContext = aContext;
 762   bool isUpdated = true;
 763   while(!aNewContext.IsNull() && isUpdated) {
 764     // searching for the very last shape that was produced from this one
 765     isUpdated = false;
 766     if (!TNaming_Tool::HasLabel(aSelLab, aNewContext))
 767       // to avoid crash of TNaming_SameShapeIterator if pure shape does not exists
 768       break;
 769     for(TNaming_SameShapeIterator anIter(aNewContext, aSelLab); anIter.More(); anIter.Next()) {
 770       TDF_Label aNSLab = anIter.Label();
 771       if (!scope().Contains(aNSLab))
 772         continue;
 773       Handle(TNaming_NamedShape) aNS;
 774       if (aNSLab.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 775         for(TNaming_Iterator aShapesIter(aNS); aShapesIter.More(); aShapesIter.Next()) {
 776           if (aShapesIter.Evolution() == TNaming_SELECTED)
 777             continue; // don't use the selection evolution
 778           if (!aShapesIter.OldShape().IsNull() && aShapesIter.OldShape().IsSame(aNewContext)) {
 779              // found the original shape
 780             aNewContext = aShapesIter.NewShape(); // go to the newer shape
 781             isUpdated = true;
 782             break;
 783           }
 784         }
 785       }
 786     }
 787   }
 788   if (aNewContext.IsNull()) { // a context is already deleted
 789     setInvalidIfFalse(aSelLab, false);
 790     Events_InfoMessage("Model_AttributeSelection", "Failed to select shape already deleted").send();
 791     return;
 792   }
 793
 794   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 795   if (!aNewSub.IsEqual(aContext)) { // searching for subshape in the new context
 796     bool isFound = false;
 797     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
 798     for(; anExp.More(); anExp.Next()) {
 799       if (anExp.Current().IsSame(aNewSub)) {
 800         isFound = true;
 801         break;
 802       }
 803     }
 804     if (!isFound) { // sub-shape is not found in the up-to-date instance of the context shape
 805       // if context is sub-result of compound/compsolid, selection of sub-shape better propagate to
 806       // the main result (which is may be modified); the case is in 1799
 807       ResultBodyPtr aMain = ModelAPI_Tools::bodyOwner(theContext);
 808       while(ModelAPI_Tools::bodyOwner(aMain).get())
 809         aMain = ModelAPI_Tools::bodyOwner(theContext);
 810       if (aMain.get()) {
 811         selectBody(aMain, theSubShape);
 812         return;
 813       }
 814       setInvalidIfFalse(aSelLab, false);
 815       Events_InfoMessage("Model_AttributeSelection",
 816         "Failed to select sub-shape already modified").send();
 817       return;
 818     }
 819   }
 820
 821   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 822   if (!aContext.IsNull()) {
 823     FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 824     bool aEraseResults = false;
 825     if (aFeatureOwner.get()) {
 826       aEraseResults = !aFeatureOwner->results().empty();
 827       if (aEraseResults) // erase results without flash deleted and redisplay: do it after Select
 828         aFeatureOwner->removeResults(0, false, false);
 829     }
 830     bool aSelectorOk = true;
 831     try {
 832       aSel.Select(aNewSub, aNewContext);
 833     } catch(...) {
 834       aSelectorOk = false;
 835     }
 836     // face may become divided after the model update, so, new labels may be added to the scope
 837     myScope.Clear();
 838
 839     // check that selection is correct, otherwise use weak naming solution
 840     TDF_Label aSelLab = selectionLabel();
 841     aSelLab.ForgetAttribute(kWEAK_NAMING);
 842     Handle(TNaming_NamedShape) aSelectorShape;
 843     if (aSelectorOk && aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelectorShape))
 844     {
 845       TopoDS_Shape aShape = aSelectorShape->Get();
 846       if (aShape.IsNull() || aShape.ShapeType() != aNewSub.ShapeType())
 847         aSelectorOk = false;
 848     }
 849     if (!aSelectorOk) { // weak naming identifier instead
 850       GeomShapePtr aContextShape(new GeomAPI_Shape);
 851       aContextShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewContext));
 852       GeomShapePtr aValueShape(new GeomAPI_Shape);
 853       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewSub));
 854
 855       GeomAlgoAPI_NExplode aNExplode(aContextShape, aValueShape->shapeType());
 856       int anId = aNExplode.index(aValueShape);
 857       if (anId) {
 858         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING, anId);
 859         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING_SHAPETYPE, int(aValueShape->shapeType()));
 860       }
 861     }
 862
 863     if (aEraseResults) { // flash after Select : in Groups it makes selection with shift working
 864       static Events_Loop* aLoop = Events_Loop::loop();
 865       static const Events_ID kDeletedEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 866       aLoop->flush(kDeletedEvent);
 867     }
 868   }
 869 }
 870
 871 bool Model_AttributeSelection::selectPart(
 872   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 873   const bool theUpdate)
 874 {
 875   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 876   if (!aPart.get() || !aPart->isActivated())
 877     return true; // postponed naming
 878   if (theUpdate) {
 879     Handle(TDataStd_Integer) anIndex;
 880     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 881       // by internal selection
 882       if (anIndex->Get() > 0) {
 883         // update the selection by index
 884         return aPart->updateInPart(anIndex->Get());
 885       } else {
 886         return true; // nothing to do, referencing just by name
 887       }
 888     }
 889     return true; // nothing to do, referencing just by name
 890   }
 891   // store the shape (in case part is not loaded it should be useful
 892   TopoDS_Shape aShape;
 893   std::string aName = theContext->data()->name();
 894   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 895     aShape = theContext->shape()->impl<TopoDS_Shape>();
 896   } else {
 897     aShape = theSubShape->impl<TopoDS_Shape>();
 898     int anIndex;
 899     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 900     TDataStd_Integer::Set(selectionLabel(), anIndex);
 901   }
 902   TNaming_Builder aBuilder(selectionLabel());
 903   aBuilder.Select(aShape, aShape);
 904   // identify by name in the part
 905   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 906   return !aName.empty();
 907 }
 908
 909 TDF_Label Model_AttributeSelection::selectionLabel()
 910 {
 911   return myRef.myRef->Label().FindChild(1);
 912 }
 913
 914 /// prefixes of the shape names with centers defined
 915 static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
 916
 917 /// returns the map that contains all possible prefixes of the center-names
 918 static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
 919 {
 920   if (kCENTERS_PREFIX.empty()) { // fill map by initial values
 921     kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
 922     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
 923     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
 924   }
 925   return kCENTERS_PREFIX;
 926 }
 927
 928 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 929 {
 930   std::string aName("");
 931   if(!this->isInitialized())
 932     return !theDefaultName.empty() ? theDefaultName : aName;
 933
 934   CenterType aCenterType = NOT_CENTER;
 935   std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
 936   ResultPtr aCont = context();
 937
 938   if (!aCont.get() ||
 939       (aCont->groupName() == ModelAPI_ResultConstruction::group() && contextFeature().get())) {
 940     // selection of a full feature
 941     FeaturePtr aFeatureCont = contextFeature();
 942     if (aFeatureCont.get()) {
 943       return kWHOLE_FEATURE + aFeatureCont->name();
 944     }
 945     // in case of selection of removed result
 946     return "";
 947   }
 948
 949   TDF_Label aSelLab = selectionLabel();
 950   Handle(TDataStd_Integer) aWeakId;
 951   if (aSelLab.FindAttribute(kWEAK_NAMING, aWeakId)) { // a weak naming is used
 952     std::ostringstream aNameStream;
 953     aNameStream<<aCont->data()->name()<<"/weak_name_"<<aWeakId->Get();
 954     return aNameStream.str();
 955   }
 956
 957   Model_SelectionNaming aSelNaming(aSelLab);
 958   std::string aResult = aSelNaming.namingName(
 959     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 960   if (aCenterType != NOT_CENTER) {
 961     aResult += centersMap()[aCenterType];
 962   }
 963   return aResult;
 964 }
 965
 966 // returns the center type and modifies the shape name if this name is center-name
 967 static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
 968 {
 969   std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
 970     centersMap().begin();
 971   for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
 972     std::size_t aFound = theShapeName.find(aPrefixIter->second);
 973     if (aFound != std::string::npos &&
 974         aFound == theShapeName.size() - aPrefixIter->second.size()) {
 975       theShapeName = theShapeName.substr(0, aFound);
 976       return aPrefixIter->first;
 977     }
 978   }
 979   return ModelAPI_AttributeSelection::NOT_CENTER;
 980 }
 981
 982 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 983 void Model_AttributeSelection::selectSubShape(
 984   const std::string& theType, const std::string& theSubShapeName)
 985 {
 986   if(theSubShapeName.empty() || theType.empty()) return;
 987
 988   std::string aSubShapeName = theSubShapeName;
 989   CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
 990     centerTypeByName(aSubShapeName) : NOT_CENTER;
 991   std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
 992
 993   // first iteration is selection by name without center prefix, second - in case of problem,
 994   // try with initial name
 995   for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
 996     if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
 997       aSubShapeName = theSubShapeName;
 998       aCenterType = NOT_CENTER;
 999       aType = theType;
1000     } else if (aUseCenter != 1) continue;
1001
1002     // check this is Part-name: 2 delimiters in the name
1003     std::size_t aPartEnd = aSubShapeName.find('/');
1004     if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
1005       std::string aPartName = aSubShapeName.substr(0, aPartEnd);
1006       ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
1007       if (aFound.get()) { // found such part, so asking it for the name
1008         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
1009         std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
1010         int anIndex;
1011         std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
1012         if (aSelected.get()) {
1013           if (aCenterType != NOT_CENTER) {
1014             if (!aSelected->isEdge())
1015               continue;
1016             std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
1017             setValueCenter(aPart, aSelectedEdge, aCenterType);
1018           } else
1019             setValue(aPart, aSelected);
1020           TDataStd_Integer::Set(selectionLabel(), anIndex);
1021           return;
1022         }
1023       }
1024     }
1025
1026     std::shared_ptr<Model_Document> aDoc =
1027       std::dynamic_pointer_cast<Model_Document>(owner()->document());
1028     // check this is a whole feature context
1029     if (aSubShapeName.size() > kWHOLE_FEATURE.size() &&
1030       aSubShapeName.substr(0, kWHOLE_FEATURE.size()) == kWHOLE_FEATURE) {
1031       std::string aFeatureName = aSubShapeName.substr(kWHOLE_FEATURE.size());
1032       ObjectPtr anObj = aDoc->objectByName(ModelAPI_Feature::group(), aFeatureName);
1033       if (anObj.get()) {
1034         static const GeomShapePtr anEmptyShape;
1035         setValue(anObj, anEmptyShape);
1036         return;
1037       }
1038     }
1039
1040     Model_SelectionNaming aSelNaming(selectionLabel());
1041     std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
1042     ResultPtr aCont;
1043     if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
1044       // try to find the last context to find the up to date shape
1045       if (aCont->shape().get() && !aCont->shape()->isNull() &&
1046         aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
1047         const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
1048         if (!aConShape.IsNull()) {
1049           Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
1050           if (!aNS.IsNull()) {
1051             aNS = TNaming_Tool::CurrentNamedShape(aNS);
1052             if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
1053               TDF_Label aLab = aNS->Label();
1054               if (aLab.Depth() % 2 == 0)
1055                 aLab = aLab.Father();
1056               ObjectPtr anObj = aDoc->objects()->object(aLab);
1057               while(!anObj.get() && aLab.Depth() > 5) {
1058                 aLab = aLab.Father().Father();
1059                 anObj = aDoc->objects()->object(aLab);
1060               }
1061
1062               if (anObj.get()) {
1063                 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1064                 if (aRes)
1065                   aCont = aRes;
1066               }
1067             }
1068           }
1069         }
1070       }
1071       // if compsolid is context, try to take sub-solid as context: like in GUI and scripts
1072       if (aCont.get() && aShapeToBeSelected.get()) {
1073         ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aCont);
1074         if (aComp && aComp->numberOfSubs()) {
1075           std::list<ResultPtr> allSubs;
1076           ModelAPI_Tools::allSubs(aComp, allSubs);
1077           std::list<ResultPtr>::iterator aS = allSubs.begin();
1078           for(; aS != allSubs.end(); aS++) {
1079             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aS);
1080             if (aSub && aSub->numberOfSubs() == 0 && aSub->shape().get() &&
1081                 aSub->shape()->isSubShape(aShapeToBeSelected)) {
1082               aCont = aSub;
1083               break;
1084             }
1085           }
1086         }
1087       }
1088       // try to find the latest active result that must be used instead of the selected
1089       // to set the active context (like in GUI selection), not concealed one
1090       bool aFindNewContext = true;
1091       while(aFindNewContext && aCont.get()) {
1092         aFindNewContext = false;
1093         // take references to all results: root one, any sub
1094         ResultBodyPtr aCompContext = ModelAPI_Tools::bodyOwner(aCont, true);
1095         std::list<ResultPtr> allRes;
1096         if (aCompContext.get()) {
1097           ModelAPI_Tools::allSubs(aCompContext, allRes);
1098           allRes.push_back(aCompContext);
1099         } else {
1100           allRes.push_back(aCont);
1101         }
1102         for(std::list<ResultPtr>::iterator aSub = allRes.begin(); aSub != allRes.end(); aSub++) {
1103           ResultPtr aResCont = *aSub;
1104           ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResCont);
1105           // only lower and higher level subs are counted
1106           if (aResBody.get() && aResBody->numberOfSubs() > 0 && aResBody != aCompContext)
1107             continue;
1108           const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
1109           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1110           for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
1111             if (!aRef->get() || !(*aRef)->owner().get())
1112               continue;
1113             // concealed attribute only
1114             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1115             if (!ModelAPI_Session::get()->validators()->isConcealed(
1116               aRefFeat->getKind(), (*aRef)->id()))
1117               continue;
1118             // search the feature result that contains sub-shape selected
1119             std::list<std::shared_ptr<ModelAPI_Result> > aResults;
1120
1121             // take all sub-results or one result
1122             std::list<ResultPtr> aRefFeatResults;
1123             ModelAPI_Tools::allResults(aRefFeat, aRefFeatResults);
1124             std::list<ResultPtr>::iterator aRefResIter = aRefFeatResults.begin();
1125             for(; aRefResIter != aRefFeatResults.end(); aRefResIter++) {
1126               ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRefResIter);
1127               if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1128                 aResults.push_back(aBody);
1129             }
1130             std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
1131             for(; aResIter != aResults.end(); aResIter++) {
1132               if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
1133                 continue;
1134               GeomShapePtr aShape = (*aResIter)->shape();
1135               GeomShapePtr aSelectedShape =
1136                 aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
1137               if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
1138                 aCont = *aResIter; // found new context (produced from this) with same subshape
1139                 aFindNewContext = true; // continue searching futher
1140                 break;
1141               }
1142             }
1143           }
1144         }
1145       }
1146
1147       if (aCenterType != NOT_CENTER) {
1148         if (!aShapeToBeSelected->isEdge())
1149           continue;
1150         std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
1151         setValueCenter(aCont, aSelectedEdge, aCenterType);
1152       } else
1153         setValue(aCont, aShapeToBeSelected);
1154       return;
1155     }
1156   }
1157
1158   TDF_Label aSelLab = selectionLabel();
1159   setInvalidIfFalse(aSelLab, false);
1160   reset();
1161 }
1162
1163 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1164                                               const GeomPointPtr& thePoint)
1165 {
1166   if (theType.empty() || !thePoint)
1167     return;
1168
1169   // list of parent features
1170   FeaturePtr anOwner = ModelAPI_Feature::feature(owner());
1171   std::set<FeaturePtr> aParents = ModelAPI_Tools::getParents(anOwner);
1172
1173   int aSelectionIndex = 0;
1174   GeomAPI_Shape::ShapeType aType = GeomAPI_Shape::shapeTypeByStr(theType);
1175   if (aType == GeomAPI_Shape::SHAPE) {
1176     // possibly, the string consists of the type and the index,
1177     // thus, try to separate them
1178     size_t aUndersporePos = theType.find_first_of('_');
1179     if (aUndersporePos != std::string::npos)
1180       aType = GeomAPI_Shape::shapeTypeByStr(theType.substr(0, aUndersporePos));
1181
1182     if (aType != GeomAPI_Shape::SHAPE) {
1183       for (std::string::const_iterator aChar = theType.begin() + aUndersporePos + 1;
1184            aChar != theType.end(); ++aChar) {
1185         if (std::isdigit(*aChar))
1186           aSelectionIndex = aSelectionIndex * 10 + (*aChar - '0');
1187         else {
1188           aSelectionIndex = 1;
1189           break;
1190         }
1191       }
1192       aSelectionIndex -= 1;
1193     }
1194   }
1195
1196   std::list<ModelGeomAlgo_Shape::SubshapeOfResult> anAppropriate;
1197
1198   // collect features from PartSet and the current part
1199   SessionPtr aSession = ModelAPI_Session::get();
1200   std::list<FeaturePtr> aFeatures = aSession->moduleDocument()->allFeatures();
1201   if (aSession->moduleDocument() != owner()->document()) {
1202     std::list<FeaturePtr> aPartFeatures = owner()->document()->allFeatures();
1203     aFeatures.insert(aFeatures.end(), aPartFeatures.begin(), aPartFeatures.end());
1204   }
1205   // Process results of all features from the last to the first
1206   // to find appropriate sub-shape
1207   for (std::list<FeaturePtr>::const_reverse_iterator anIt = aFeatures.rbegin();
1208        anIt != aFeatures.rend(); ++anIt) {
1209     // selection cannot be linked to the parent features
1210     if (aParents.find(*anIt) != aParents.end())
1211       continue;
1212     // check the feature is a part of composite feature (like sketch elements),
1213     // then do not process it, it will be processed in scope of composite feature
1214     bool isSubOfComposite = false;
1215     const std::set<AttributePtr>& aRefs = (*anIt)->data()->refsToMe();
1216     for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
1217          aRefIt != aRefs.end() && !isSubOfComposite; ++aRefIt) {
1218       FeaturePtr aFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
1219       CompositeFeaturePtr aCompFeature =
1220           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
1221       isSubOfComposite = aCompFeature && aCompFeature->isSub(*anIt);
1222     }
1223     if (isSubOfComposite)
1224       continue;
1225
1226     // process results of the current feature to find appropriate sub-shape
1227     if (ModelGeomAlgo_Shape::findSubshapeByPoint(*anIt, thePoint, aType, anAppropriate)) {
1228       std::list<ModelGeomAlgo_Shape::SubshapeOfResult>::iterator anApIt = anAppropriate.begin();
1229       for (; aSelectionIndex > 0 && anApIt != anAppropriate.end(); --aSelectionIndex)
1230         ++anApIt; // skip this shape, because one of the previous is selected
1231
1232       if (anApIt != anAppropriate.end()) {
1233         if (anApIt->myCenterType == (int)ModelAPI_AttributeSelection::NOT_CENTER)
1234           setValue(anApIt->myResult, anApIt->mySubshape);
1235         else
1236           setValueCenter(anApIt->myResult, anApIt->mySubshape->edge(),
1237                          (ModelAPI_AttributeSelection::CenterType)anApIt->myCenterType);
1238         return;
1239       }
1240     }
1241   }
1242
1243   TDF_Label aSelLab = selectionLabel();
1244   setInvalidIfFalse(aSelLab, false);
1245   reset();
1246 }
1247
1248 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1249   const std::string& theContextName, const int theIndex)
1250 {
1251   // selection of context by name
1252   //std::string aNamingContextName = theContextName + "/";
1253   //selectSubShape(theType, aNamingContextName);
1254   std::shared_ptr<Model_Document> aDoc =
1255     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1256   if (aDoc.get()) {
1257     bool aUnique = true;
1258     std::string aContextName = theContextName;
1259     std::string anEmptySub = "";
1260     ResultPtr aContext = aDoc->findByName(aContextName, anEmptySub, aUnique);
1261     //ResultPtr aContext = context();
1262     if (aContext.get()) {
1263       GeomShapePtr aContShape = aContext->shape();
1264       if (aContShape.get()) {
1265         GeomAlgoAPI_NExplode aNExp(aContShape, GeomAPI_Shape::shapeTypeByStr(theType));
1266         GeomShapePtr aValue = aNExp.shape(theIndex);
1267         if (aValue.get())
1268           setValue(aContext, aValue);
1269       }
1270     }
1271   }
1272 }
1273
1274 int Model_AttributeSelection::Id()
1275 {
1276   int anID = 0;
1277   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1278   ResultPtr aContextRes = context();
1279   // support for compsolids:
1280   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1281     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1282   }
1283   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1284
1285
1286   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1287   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1288   // searching for the latest main shape
1289   if (aSelection && !aSelection->isNull() && aContext && !aContext->isNull())
1290   {
1291     std::shared_ptr<Model_Document> aDoc =
1292       std::dynamic_pointer_cast<Model_Document>(context()->document());
1293     if (aDoc.get()) {
1294       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1295       if (!aNS.IsNull()) {
1296         aMainShape = TNaming_Tool::CurrentShape(aNS);
1297       }
1298     }
1299
1300     TopTools_IndexedMapOfShape aSubShapesMap;
1301     TopExp::MapShapes(aMainShape, aSubShapesMap);
1302     anID = aSubShapesMap.FindIndex(aSubShape);
1303   }
1304   return anID;
1305 }
1306
1307 void Model_AttributeSelection::setId(int theID)
1308 {
1309   std::shared_ptr<GeomAPI_Shape> aSelection;
1310
1311   ResultPtr aContextRes = context();
1312   // support for compsolids:
1313   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1314     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1315   }
1316   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1317
1318   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1319   // searching for the latest main shape
1320   if (theID > 0 && aContext && !aContext->isNull())
1321   {
1322     std::shared_ptr<Model_Document> aDoc =
1323       std::dynamic_pointer_cast<Model_Document>(aContextRes->document());
1324     if (aDoc.get()) {
1325       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1326       if (!aNS.IsNull()) {
1327         aMainShape = TNaming_Tool::CurrentShape(aNS);
1328       }
1329     }
1330
1331     TopTools_IndexedMapOfShape aSubShapesMap;
1332     TopExp::MapShapes(aMainShape, aSubShapesMap);
1333     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1334
1335     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1336     aResult->setImpl(new TopoDS_Shape(aSelShape));
1337
1338     aSelection = aResult;
1339   }
1340
1341   setValue(aContextRes, aSelection);
1342 }
1343
1344 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1345 {
1346   std::string aResult;
1347   if (owner()->document() != theContext->document()) {
1348     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1349       aResult = theContext->document()->kind() + "/";
1350     } else {
1351       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1352         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1353       if (aDocRes.get()) {
1354         aResult = aDocRes->data()->name() + "/";
1355       }
1356     }
1357   }
1358   aResult += theContext->data()->name();
1359   return aResult;
1360 }
1361
1362 void Model_AttributeSelection::computeValues(
1363   ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
1364   TopTools_ListOfShape& theShapes)
1365 {
1366   bool aWasWholeContext = theValShape.IsNull();
1367   if (aWasWholeContext) {
1368     //theShapes.Append(theValShape);
1369     //return;
1370     theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
1371   }
1372   //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
1373   TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
1374   //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
1375     //theShapes.Append(aNewContShape);
1376     //return;
1377   //}
1378   // if a new value is unchanged in the new context, do nothing: value is correct
1379   TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
1380   for(; aSubExp.More(); aSubExp.Next()) {
1381     if (aSubExp.Current().IsSame(theValShape)) {
1382       theShapes.Append(theValShape);
1383       return;
1384     }
1385   }
1386   // if new context becomes compsolid, the resulting sub may be in sub-solids
1387   std::list<ResultPtr> aNewToIterate;
1388   aNewToIterate.push_back(theNewContext);
1389   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theNewContext);
1390   if (aComp.get()) {
1391     std::list<ResultPtr> allNewContextSubs;
1392     ModelAPI_Tools::allSubs(aComp, allNewContextSubs);
1393     std::list<ResultPtr>::iterator aSub = allNewContextSubs.begin();
1394     for(; aSub != allNewContextSubs.end(); aSub++) {
1395       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSub);
1396       if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1397         aNewToIterate.push_back(aBody);
1398     }
1399   }
1400
1401   // first iteration: searching for the whole shape appearance (like face of the box)
1402   // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
1403   int aToFindPart = 0;
1404   TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
1405   TopTools_MapOfShape anOlds; // to know how many olds produced new containers
1406   for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
1407     std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
1408     for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
1409       std::shared_ptr<Model_Data> aNewData =
1410         std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
1411       TDF_Label aNewLab = aNewData->label();
1412       // searching for produced sub-shape fully on some label
1413       TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
1414       for(; aNSIter.More(); aNSIter.Next()) {
1415         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
1416         for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
1417           if (aToFindPart == 0) { // search shape is fully inside
1418             if (aPairIter.OldShape().IsSame(theValShape)) {
1419               if (aPairIter.NewShape().IsNull()) {// value was removed
1420                 theShapes.Clear();
1421                 return;
1422               }
1423               theShapes.Append(aPairIter.NewShape());
1424             }
1425           } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
1426             TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
1427             for(; anExp.More(); anExp.Next()) {
1428               if (anExp.Current().IsSame(theValShape)) { // found a new container
1429                 if (aPairIter.NewShape().IsNull()) {// value was removed
1430                   theShapes.Clear();
1431                   return;
1432                 }
1433                 aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
1434                 anOlds.Add(aPairIter.OldShape());
1435                 break;
1436               }
1437             }
1438           }
1439         }
1440       }
1441     }
1442   }
1443   if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
1444     // map of sub-shapes -> number of occurences of these shapes in containers
1445     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
1446     TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
1447     for(; aContIter.More(); aContIter.Next()) {
1448       TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
1449       for(; aSubExp.More(); aSubExp.Next()) {
1450         if (!aSubs.IsBound(aSubExp.Current())) {
1451           aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
1452         }
1453         // store old to know how many olds produced this shape
1454         aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
1455       }
1456     }
1457     // if sub is appeared same times in containers as the number of old shapes that contain it
1458     int aCountInOld = anOlds.Size();
1459     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
1460       aSubsIter(aSubs);
1461     for(; aSubsIter.More(); aSubsIter.Next()) {
1462       if (aSubsIter.Value().Size() == aCountInOld) {
1463         theShapes.Append(aSubsIter.Key());
1464       }
1465     }
1466   }
1467   if (theShapes.IsEmpty()) { // nothing was changed
1468     theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
1469   }
1470 }
1471
1472 bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
1473   const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
1474   TDF_Label theAccessLabel,
1475   std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
1476 {
1477   std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
1478   TopTools_ListOfShape aResContShapes;
1479   // iterate context and shape, but also if it is sub-shape of main shape, check also it
1480   TopTools_ListOfShape aContextList;
1481   aContextList.Append(theContShape);
1482   if (theContext.get()) {
1483     ResultPtr aComposite = ModelAPI_Tools::bodyOwner(theContext);
1484     if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
1485       aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
1486   }
1487   for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
1488     TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), theAccessLabel);
1489     for(; aModifIter.More(); aModifIter.Next()) {
1490       TDF_Label anObjLab = aModifIter.Label().Father();
1491       ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1492         (theDoc->objects()->object(anObjLab));
1493       if (!aModifierObj.get()) {
1494         // #2241: shape may be sub-element of new object, not main (shell created from faces)
1495         if (!anObjLab.IsRoot())
1496           aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1497           (theDoc->objects()->object(anObjLab.Father()));
1498         if (!aModifierObj.get())
1499           continue;
1500       }
1501       FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
1502       if (!aModifierFeat.get())
1503         continue;
1504       FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1505       if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
1506         continue; // the modifier feature is later than this, so, should not be used
1507       FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
1508       if (aCurrentModifierFeat == aModifierFeat ||
1509         theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
1510         continue; // the current modifier is later than the found, so, useless
1511       Handle(TNaming_NamedShape) aNewNS;
1512       aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
1513       if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
1514         aResults.insert(aModifierObj);
1515         //TNaming_Iterator aPairIter(aNewNS);
1516         //aResContShapes.Append(aPairIter.NewShape());
1517         aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
1518       } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
1519         aResults.insert(ResultPtr());
1520       } else { // not-precessed modification => don't support it
1521         continue;
1522       }
1523     }
1524   }
1525   if (aResults.empty())
1526     return false; // no modifications found, must stay the same
1527   // iterate all results to find futher modifications
1528   std::set<ResultPtr>::iterator aResIter = aResults.begin();
1529   for(; aResIter != aResults.end(); aResIter++) {
1530     if (aResIter->get() != NULL) {
1531       // compute new values by two contextes: the old and the new
1532       TopTools_ListOfShape aValShapes;
1533       computeValues(theContext, *aResIter, theValShape, aValShapes);
1534
1535       TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
1536       for(; aNewVal.More(); aNewVal.Next()) {
1537         std::list<ResultPtr> aNewRes;
1538         TopTools_ListOfShape aNewUpdatedVal;
1539         TopoDS_Shape aNewValSh = aNewVal.Value();
1540         TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
1541         if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
1542           aNewValSh.Nullify();
1543         if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
1544                              theAccessLabel, aNewRes, aNewUpdatedVal))
1545         {
1546           // appeand new results instead of the current ones
1547           std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
1548           TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
1549           for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
1550             theResults.push_back(*aNewIter);
1551             theValShapes.Append(aNewUpdVal.Value());
1552           }
1553         } else { // the current result is good
1554           theResults.push_back(*aResIter);
1555           theValShapes.Append(aNewValSh);
1556         }
1557       }
1558     }
1559   }
1560   return true; // theResults must be empty: everything is deleted
1561 }
1562
1563 void Model_AttributeSelection::updateInHistory()
1564 {
1565   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
1566   // only bodies and parts may be modified later in the history, don't do anything otherwise
1567   if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
1568       aContext->groupName() != ModelAPI_ResultPart::group()))
1569     return;
1570   std::shared_ptr<Model_Document> aDoc =
1571     std::dynamic_pointer_cast<Model_Document>(aContext->document());
1572   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
1573   if (!aContData.get() || !aContData->isValid())
1574     return;
1575   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
1576   Handle(TNaming_NamedShape) aContNS;
1577   if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
1578     bool aFoundNewContext = true;
1579     ResultPtr aNewContext = aContext;
1580     while(aFoundNewContext) {
1581       aFoundNewContext = false;
1582       // parts have no shape in result, so, trace references using the Part info
1583       if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
1584         ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
1585         if (aPartContext.get()) { // searching for the up to date references to the referenced cont
1586           const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
1587           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1588           for(; aRef != aRefs.end(); aRef++) {
1589             // to avoid detection of part changes by local selection only
1590             AttributeSelectionPtr aSel =
1591               std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
1592             if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
1593               continue;
1594
1595             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1596             if (aRefFeat.get() && aRefFeat != owner()) {
1597               FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1598               if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
1599                 aFoundNewContext = true;
1600                 aNewContext = aRefFeat->firstResult();
1601               }
1602             }
1603           }
1604         }
1605       }
1606     }
1607     if (aNewContext != aContext) {
1608       setValue(aNewContext, value());
1609     }
1610     return;
1611   }
1612   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1613   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
1614   // iterate the context shape modifications in order to find a feature that is upper in history
1615   // that this one and is really modifies the referenced result to refer to it
1616   ResultPtr aModifierResFound;
1617   TNaming_Iterator aPairIter(aContNS);
1618   if (!aPairIter.More())
1619     return;
1620   TopoDS_Shape aNewCShape = aPairIter.NewShape();
1621   bool anIterate = true;
1622   // trying to update also the sub-shape selected
1623   GeomShapePtr aSubShape = value();
1624   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
1625     aSubShape.reset();
1626   TopoDS_Shape aValShape;
1627   if (aSubShape.get()) {
1628     aValShape = aSubShape->impl<TopoDS_Shape>();
1629   }
1630
1631   std::list<ResultPtr> aNewContexts;
1632   TopTools_ListOfShape aValShapes;
1633   if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
1634   {
1635     // update scope to reset to a new one
1636     myScope.Clear();
1637
1638     std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
1639     TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
1640     if (aNewCont == aNewContexts.end()) { // all results were deleted
1641       ResultPtr anEmptyContext;
1642       std::shared_ptr<GeomAPI_Shape> anEmptyShape;
1643       setValue(anEmptyContext, anEmptyShape); // nullify the selection
1644       return;
1645     }
1646
1647     GeomShapePtr aValueShape;
1648     if (!aNewValues.Value().IsNull()) {
1649       aValueShape = std::make_shared<GeomAPI_Shape>();
1650       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1651     }
1652     setValue(*aNewCont, aValueShape);
1653     // if there are more than one result, put them by "append" into "parent" list
1654     if (myParent) {
1655       for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
1656           aNewCont++, aNewValues.Next()) {
1657         GeomShapePtr aValueShape;
1658         if (!aNewValues.Value().IsNull()) {
1659           aValueShape = std::make_shared<GeomAPI_Shape>();
1660           aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1661         }
1662
1663         // Check that list has the same type of shape selection before adding.
1664         GeomAPI_Shape::ShapeType aListShapeType = GeomAPI_Shape::SHAPE;
1665         if (myParent->selectionType() == "VERTEX") aListShapeType = GeomAPI_Shape::VERTEX;
1666         else if (myParent->selectionType() == "EDGE") aListShapeType = GeomAPI_Shape::EDGE;
1667         else if (myParent->selectionType() == "FACE") aListShapeType = GeomAPI_Shape::FACE;
1668
1669         GeomAPI_Shape::ShapeType aShapeShapeType = GeomAPI_Shape::SHAPE;
1670         if (aValueShape.get()) {
1671           aShapeShapeType = aValueShape->shapeType();
1672         } else {
1673           (*aNewCont)->shape()->shapeType();
1674         }
1675
1676         if (aListShapeType != GeomAPI_Shape::SHAPE && aListShapeType != aShapeShapeType) {
1677           continue;
1678         }
1679
1680         myParent->append(*aNewCont, aValueShape);
1681       }
1682     }
1683   }
1684 }
1685
1686 void Model_AttributeSelection::setParent(Model_AttributeSelectionList* theParent)
1687 {
1688   myParent = theParent;
1689 }
1690
1691 bool Model_AttributeSelection::isWeakNaming()
1692 {
1693   return selectionLabel().IsAttribute(kWEAK_NAMING);
1694 }