src/Model/Model_AttributeSelection.cpp

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