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Merge branch 'Dev_2.8.0'
[modules/shaper.git] / src / Model / Model_AttributeSelection.cpp
index 1ed05a9a73d23a9666d4bbb42cb2ed1b34df8e49..6d97b417e48eda32395f55ed9b6d958507a52a59 100644 (file)
@@ -1,8 +1,22 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:        Model_AttributeSelection.cpp
-// Created:     2 Oct 2014
-// Author:      Mikhail PONIKAROV
+// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
 
 #include "Model_AttributeSelection.h"
 #include "Model_Application.h"
@@ -35,6 +49,8 @@
 #include <TDataStd_UAttribute.hxx>
 #include <TDataStd_Name.hxx>
 #include <TopTools_ListOfShape.hxx>
+#include <TopTools_DataMapOfShapeShape.hxx>
+#include <TopTools_MapOfShape.hxx>
 #include <TopExp_Explorer.hxx>
 #include <BRep_Tool.hxx>
 #include <TopoDS.hxx>
@@ -42,6 +58,7 @@
 #include <TDF_ChildIterator.hxx>
 #include <TDF_ChildIDIterator.hxx>
 #include <TopoDS_Iterator.hxx>
+#include <TDF_ChildIDIterator.hxx>
 #include <Geom_Circle.hxx>
 #include <Geom_Ellipse.hxx>
 #include <BRep_Builder.hxx>
@@ -136,6 +153,12 @@ void Model_AttributeSelection::setValue(const ResultPtr& theContext,
     std::shared_ptr<GeomAPI_Shape> aSubShape;
     if (theSubShape.get() && !theContext->shape()->isEqual(theSubShape))
       aSubShape = theSubShape; // the whole context
+    if (aConstruction->isInfinite()) {
+      // For correct naming selection, put the shape into the naming structure.
+      // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
+      TNaming_Builder aBuilder(aSelLab);
+      aBuilder.Generated(theContext->shape()->impl<TopoDS_Shape>());
+    }
     int anIndex = aConstruction->select(theSubShape, owner()->document());
     TDataStd_Integer::Set(aSelLab, anIndex);
   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
@@ -167,6 +190,7 @@ void Model_AttributeSelection::setValueCenter(
       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
       break;
     }
+    owner()->data()->sendAttributeUpdated(this);
   }
 }
 
@@ -217,29 +241,36 @@ GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::Cen
 
 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 {
+  CenterType aType = NOT_CENTER;
+  std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
+  return centerByEdge(aResult, aType);
+}
+
+std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
+{
+  theType = NOT_CENTER;
   GeomShapePtr aResult;
   if (myTmpContext.get() || myTmpSubShape.get()) {
+    theType = myTmpCenterType;
     ResultConstructionPtr aResulConstruction =
       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
     if(aResulConstruction.get()) {
       // it is just reference to construction.
-      return centerByEdge(myTmpSubShape, myTmpCenterType);
+      return myTmpSubShape;
     }
-    return centerByEdge(myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape(),
-                        myTmpCenterType);
+    return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
   }
 
   TDF_Label aSelLab = selectionLabel();
   if (aSelLab.IsAttribute(kINVALID_SELECTION))
     return aResult;
 
-  CenterType aType = NOT_CENTER;
   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
-    aType = CIRCLE_CENTER;
+    theType = CIRCLE_CENTER;
   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
-    aType = CIRCLE_CENTER;
+    theType = ELLIPSE_FIRST_FOCUS;
   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
-    aType = CIRCLE_CENTER;
+    theType = ELLIPSE_SECOND_FOCUS;
 
 
   if (myRef.isInitialized()) {
@@ -247,16 +278,16 @@ std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
       ResultPtr aContext = context();
       if (!aContext.get())
         return aResult; // empty result
-      return centerByEdge(aContext->shape(), aType);
+      return aContext->shape();
     }
     if (aSelLab.IsAttribute(kPART_REF_ID)) {
       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
       if (!aPart.get() || !aPart->isActivated())
-        return aResult; // postponed naming needed
+        return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
       Handle(TDataStd_Integer) anIndex;
       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
         if (anIndex->Get()) { // special selection attribute was created, use it
-          return centerByEdge(aPart->selectionValue(anIndex->Get()), aType);
+          return aPart->selectionValue(anIndex->Get());
         } else { // face with name is already in the data model, so try to take it by name
           Handle(TDataStd_Name) aName;
           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
@@ -265,29 +296,31 @@ std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
               int anIndex;
-              std::string aTypeStr; // to reuse already existing selection the type is not needed
-              return centerByEdge(aPart->shapeInPart(aNameInPart, aTypeStr, anIndex), aType);
+              std::string aType; // to reuse already existing selection the type is not needed
+              return aPart->shapeInPart(aNameInPart, aType, anIndex);
             }
           }
         }
       }
     }
 
+    std::shared_ptr<Model_ResultConstruction> aConstr =
+      std::dynamic_pointer_cast<Model_ResultConstruction>(context());
+    if (aConstr) {
+      if (aConstr->isInfinite())
+        return aResult; // empty result
+    }
     Handle(TNaming_NamedShape) aSelection;
     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
       TopoDS_Shape aSelShape = aSelection->Get();
       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
       aResult->setImpl(new TopoDS_Shape(aSelShape));
-    } else { // for simple construction element: just shape of this construction element
-      std::shared_ptr<Model_ResultConstruction> aConstr =
-        std::dynamic_pointer_cast<Model_ResultConstruction>(context());
-      if (aConstr) {
-        Handle(TDataStd_Integer) anIndex;
-        if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
-          if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
-            return centerByEdge(aResult, aType);
-          return centerByEdge(aConstr->shape(anIndex->Get(), owner()->document()), aType);
-        }
+    } else if (aConstr) { // simple construction element: just shape of this construction element
+      Handle(TDataStd_Integer) anIndex;
+      if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
+        if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
+          return aResult;
+        return aConstr->shape(anIndex->Get(), owner()->document());
       }
     }
   }
@@ -679,21 +712,56 @@ TDF_Label Model_AttributeSelection::selectionLabel()
   return myRef.myRef->Label().FindChild(1);
 }
 
+/// prefixes of the shape names with centers defined
+static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
+
+/// returns the map that contains all possible prefixes of the center-names
+static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
+{
+  if (kCENTERS_PREFIX.empty()) { // fill map by initial values
+    kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
+    kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
+    kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
+  }
+  return kCENTERS_PREFIX;
+}
+
 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 {
   std::string aName("");
   if(!this->isInitialized())
     return !theDefaultName.empty() ? theDefaultName : aName;
 
-  std::shared_ptr<GeomAPI_Shape> aSubSh = value();
+  CenterType aCenterType = NOT_CENTER;
+  std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
   ResultPtr aCont = context();
 
   if (!aCont.get()) // in case of selection of removed result
     return "";
 
   Model_SelectionNaming aSelNaming(selectionLabel());
-  return aSelNaming.namingName(
+  std::string aResult = aSelNaming.namingName(
     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
+  if (aCenterType != NOT_CENTER) {
+    aResult += centersMap()[aCenterType];
+  }
+  return aResult;
+}
+
+// returns the center type and modifies the shape name if this name is center-name
+static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
+{
+  std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
+    centersMap().begin();
+  for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
+    std::size_t aFound = theShapeName.find(aPrefixIter->second);
+    if (aFound != std::string::npos &&
+        aFound == theShapeName.size() - aPrefixIter->second.size()) {
+      theShapeName = theShapeName.substr(0, aFound);
+      return aPrefixIter->first;
+    }
+  }
+  return ModelAPI_AttributeSelection::NOT_CENTER;
 }
 
 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
@@ -702,54 +770,81 @@ void Model_AttributeSelection::selectSubShape(
 {
   if(theSubShapeName.empty() || theType.empty()) return;
 
-  // check this is Part-name: 2 delimiters in the name
-  std::size_t aPartEnd = theSubShapeName.find('/');
-  if (aPartEnd != std::string::npos && aPartEnd != theSubShapeName.rfind('/')) {
-    std::string aPartName = theSubShapeName.substr(0, aPartEnd);
-    ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
-    if (aFound.get()) { // found such part, so asking it for the name
-      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
-      std::string aNameInPart = theSubShapeName.substr(aPartEnd + 1);
-      int anIndex;
-      std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, theType, anIndex);
-      if (aSelected.get()) {
-        setValue(aPart, aSelected);
-        TDataStd_Integer::Set(selectionLabel(), anIndex);
-        return;
+  std::string aSubShapeName = theSubShapeName;
+  CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
+    centerTypeByName(aSubShapeName) : NOT_CENTER;
+  std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
+
+  // first iteration is selection by name without center prefix, second - in case of problem,
+  // try with initial name
+  for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
+    if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
+      aSubShapeName = theSubShapeName;
+      aCenterType = NOT_CENTER;
+      aType = theType;
+    } else if (aUseCenter != 1) continue;
+
+    // check this is Part-name: 2 delimiters in the name
+    std::size_t aPartEnd = aSubShapeName.find('/');
+    if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
+      std::string aPartName = aSubShapeName.substr(0, aPartEnd);
+      ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
+      if (aFound.get()) { // found such part, so asking it for the name
+        ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
+        std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
+        int anIndex;
+        std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
+        if (aSelected.get()) {
+          if (aCenterType != NOT_CENTER) {
+            if (!aSelected->isEdge())
+              continue;
+            std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
+            setValueCenter(aPart, aSelectedEdge, aCenterType);
+          } else
+            setValue(aPart, aSelected);
+          TDataStd_Integer::Set(selectionLabel(), anIndex);
+          return;
+        }
       }
     }
-  }
 
-  Model_SelectionNaming aSelNaming(selectionLabel());
-  std::shared_ptr<Model_Document> aDoc =
-    std::dynamic_pointer_cast<Model_Document>(owner()->document());
-  std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
-  ResultPtr aCont;
-  if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
-    // try to find the last context to find the up to date shape
-    if (aCont->shape().get() && !aCont->shape()->isNull() &&
-      aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
-      const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
-      if (!aConShape.IsNull()) {
-        Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
-        if (!aNS.IsNull()) {
-          aNS = TNaming_Tool::CurrentNamedShape(aNS);
+    Model_SelectionNaming aSelNaming(selectionLabel());
+    std::shared_ptr<Model_Document> aDoc =
+      std::dynamic_pointer_cast<Model_Document>(owner()->document());
+    std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
+    ResultPtr aCont;
+    if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
+      // try to find the last context to find the up to date shape
+      if (aCont->shape().get() && !aCont->shape()->isNull() &&
+        aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
+        const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
+        if (!aConShape.IsNull()) {
+          Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
           if (!aNS.IsNull()) {
-            TDF_Label aLab = aNS->Label();
-            while(aLab.Depth() != 7 && aLab.Depth() > 5)
-              aLab = aLab.Father();
-            ObjectPtr anObj = aDoc->objects()->object(aLab);
-            if (anObj.get()) {
-              ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
-              if (aRes)
-                aCont = aRes;
+            aNS = TNaming_Tool::CurrentNamedShape(aNS);
+            if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
+              TDF_Label aLab = aNS->Label();
+              while(aLab.Depth() != 7 && aLab.Depth() > 5)
+                aLab = aLab.Father();
+              ObjectPtr anObj = aDoc->objects()->object(aLab);
+              if (anObj.get()) {
+                ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+                if (aRes)
+                  aCont = aRes;
+              }
             }
           }
         }
       }
+      if (aCenterType != NOT_CENTER) {
+        if (!aShapeToBeSelected->isEdge())
+          continue;
+        std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
+        setValueCenter(aCont, aSelectedEdge, aCenterType);
+      } else
+        setValue(aCont, aShapeToBeSelected);
+      return;
     }
-    setValue(aCont, aShapeToBeSelected);
-    return;
   }
 
   TDF_Label aSelLab = selectionLabel();
@@ -844,21 +939,240 @@ std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) c
   return aResult;
 }
 
+void Model_AttributeSelection::computeValues(
+  ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
+  TopTools_ListOfShape& theShapes)
+{
+  bool aWasWholeContext = theValShape.IsNull();
+  if (aWasWholeContext) {
+    //theShapes.Append(theValShape);
+    //return;
+    theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
+  }
+  //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
+  TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
+  //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
+    //theShapes.Append(aNewContShape);
+    //return;
+  //}
+  // if a new value is unchanged in the new context, do nothing: value is correct
+  TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
+  for(; aSubExp.More(); aSubExp.Next()) {
+    if (aSubExp.Current().IsSame(theValShape)) {
+      theShapes.Append(theValShape);
+      return;
+    }
+  }
+  // if new context becomes compsolid, the resulting sub may be in sub-solids
+  std::list<ResultPtr> aNewToIterate;
+  aNewToIterate.push_back(theNewContext);
+  ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theNewContext);
+  if (aComp.get()) {
+    for(int a = 0; a < aComp->numberOfSubs(); a++)
+      aNewToIterate.push_back(aComp->subResult(a, false));
+  }
+
+  // first iteration: searching for the whole shape appearance (like face of the box)
+  // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
+  int aToFindPart = 0;
+  TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
+  TopTools_MapOfShape anOlds; // to know how many olds produced new containers
+  for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
+    std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
+    for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
+      std::shared_ptr<Model_Data> aNewData =
+        std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
+      TDF_Label aNewLab = aNewData->label();
+      // searching for produced sub-shape fully on some label
+      TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
+      for(; aNSIter.More(); aNSIter.Next()) {
+        Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
+        for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
+          if (aToFindPart == 0) { // search shape is fully inside
+            if (aPairIter.OldShape().IsSame(theValShape)) {
+              if (aPairIter.NewShape().IsNull()) {// value was removed
+                theShapes.Clear();
+                return;
+              }
+              theShapes.Append(aPairIter.NewShape());
+            }
+          } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
+            TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
+            for(; anExp.More(); anExp.Next()) {
+              if (anExp.Current().IsSame(theValShape)) { // found a new container
+                if (aPairIter.NewShape().IsNull()) {// value was removed
+                  theShapes.Clear();
+                  return;
+                }
+                aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
+                anOlds.Add(aPairIter.OldShape());
+                break;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
+    // map of sub-shapes -> number of occurences of these shapes in containers
+    NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
+    TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
+    for(; aContIter.More(); aContIter.Next()) {
+      TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
+      for(; aSubExp.More(); aSubExp.Next()) {
+        if (!aSubs.IsBound(aSubExp.Current())) {
+          aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
+        }
+        // store old to know how many olds produced this shape
+        aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
+      }
+    }
+    // if sub is appeared same times in containers as the number of old shapes that contain it
+    int aCountInOld = anOlds.Size();
+    NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
+      aSubsIter(aSubs);
+    for(; aSubsIter.More(); aSubsIter.Next()) {
+      if (aSubsIter.Value().Size() == aCountInOld) {
+        theShapes.Append(aSubsIter.Key());
+      }
+    }
+  }
+  if (theShapes.IsEmpty()) { // nothing was changed
+    theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
+  }
+}
+
+bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
+  const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
+  TDF_Label theAccessLabel,
+  std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
+{
+  std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
+  TopTools_ListOfShape aResContShapes;
+  TNaming_SameShapeIterator aModifIter(theContShape, theAccessLabel);
+  for(; aModifIter.More(); aModifIter.Next()) {
+    TDF_Label anObjLab = aModifIter.Label().Father();
+    ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
+      (theDoc->objects()->object(anObjLab));
+    if (!aModifierObj.get()) {
+      // #2241: shape may be sub-element of new object, not main (shell created from faces)
+      if (!anObjLab.IsRoot())
+        aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
+        (theDoc->objects()->object(anObjLab.Father()));
+      if (!aModifierObj.get())
+        continue;
+    }
+    FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
+    if (!aModifierFeat.get())
+      continue;
+    FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
+    if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
+      continue; // the modifier feature is later than this, so, should not be used
+    FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
+    if (aCurrentModifierFeat == aModifierFeat ||
+      theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
+      continue; // the current modifier is later than the found, so, useless
+    Handle(TNaming_NamedShape) aNewNS;
+    aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
+    if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
+      aResults.insert(aModifierObj);
+      //TNaming_Iterator aPairIter(aNewNS);
+      //aResContShapes.Append(aPairIter.NewShape());
+      aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
+    } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
+      aResults.insert(ResultPtr());
+    } else { // not-precessed modification => don't support it
+      continue;
+    }
+  }
+  if (aResults.empty())
+    return false; // no modifications found, must stay the same
+  // iterate all results to find futher modifications
+  std::set<ResultPtr>::iterator aResIter = aResults.begin();
+  for(; aResIter != aResults.end(); aResIter++) {
+    if (aResIter->get() != NULL) {
+      // compute new values by two contextes: the old and the new
+      TopTools_ListOfShape aValShapes;
+      computeValues(theContext, *aResIter, theValShape, aValShapes);
+
+      TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
+      for(; aNewVal.More(); aNewVal.Next()) {
+        std::list<ResultPtr> aNewRes;
+        TopTools_ListOfShape aNewUpdatedVal;
+        TopoDS_Shape aNewValSh = aNewVal.Value();
+        TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
+        if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
+          aNewValSh.Nullify();
+        if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
+                             theAccessLabel, aNewRes, aNewUpdatedVal))
+        {
+          // appeand new results instead of the current ones
+          std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
+          TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
+          for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
+            theResults.push_back(*aNewIter);
+            theValShapes.Append(aNewUpdVal.Value());
+          }
+        } else { // the current result is good
+          theResults.push_back(*aResIter);
+          theValShapes.Append(aNewValSh);
+        }
+      }
+    }
+  }
+  return true; // theResults must be empty: everything is deleted
+}
+
 void Model_AttributeSelection::updateInHistory()
 {
   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
-  // only bodies may be modified later in the history, don't do anything otherwise
-  if (!aContext.get() || aContext->groupName() != ModelAPI_ResultBody::group())
+  // only bodies and parts may be modified later in the history, don't do anything otherwise
+  if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
+      aContext->groupName() != ModelAPI_ResultPart::group()))
     return;
+  std::shared_ptr<Model_Document> aDoc =
+    std::dynamic_pointer_cast<Model_Document>(aContext->document());
   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
   if (!aContData.get() || !aContData->isValid())
     return;
   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
   Handle(TNaming_NamedShape) aContNS;
-  if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS))
+  if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
+    bool aFoundNewContext = true;
+    ResultPtr aNewContext = aContext;
+    while(aFoundNewContext) {
+      aFoundNewContext = false;
+      // parts have no shape in result, so, trace references using the Part info
+      if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
+        ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
+        if (aPartContext.get()) { // searching for the up to date references to the referenced cont
+          const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
+          std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
+          for(; aRef != aRefs.end(); aRef++) {
+            // to avoid detection of part changes by local selection only
+            AttributeSelectionPtr aSel =
+              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
+            if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
+              continue;
+
+            FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
+            if (aRefFeat.get() && aRefFeat != owner()) {
+              FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
+              if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
+                aFoundNewContext = true;
+                aNewContext = aRefFeat->firstResult();
+              }
+            }
+          }
+        }
+      }
+    }
+    if (aNewContext != aContext) {
+      setValue(aNewContext, value());
+    }
     return;
-  std::shared_ptr<Model_Document> aDoc =
-    std::dynamic_pointer_cast<Model_Document>(aContext->document());
+  }
   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
   // iterate the context shape modifications in order to find a feature that is upper in history
@@ -867,66 +1181,51 @@ void Model_AttributeSelection::updateInHistory()
   TNaming_Iterator aPairIter(aContNS);
   if (!aPairIter.More())
     return;
-  TopoDS_Shape aNewShape = aPairIter.NewShape();
+  TopoDS_Shape aNewCShape = aPairIter.NewShape();
   bool anIterate = true;
   // trying to update also the sub-shape selected
   GeomShapePtr aSubShape = value();
   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
     aSubShape.reset();
-
-  while(anIterate) {
-    anIterate = false;
-    TNaming_SameShapeIterator aModifIter(aNewShape, aContLab);
-    for(; aModifIter.More(); aModifIter.Next()) {
-      ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
-        (aDoc->objects()->object(aModifIter.Label().Father()));
-      if (!aModifierObj.get())
-        break;
-      FeaturePtr aModifierFeat = aDoc->feature(aModifierObj);
-      if (!aModifierFeat.get())
-        break;
-      if (aModifierFeat == aThisFeature || aDoc->objects()->isLater(aModifierFeat, aThisFeature))
-        continue; // the modifier feature is later than this, so, should not be used
-      if (aCurrentModifierFeat == aModifierFeat ||
-        aDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
-        continue; // the current modifier is later than the found, so, useless
-      Handle(TNaming_NamedShape) aNewNS;
-      aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
-      if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
-        aModifierResFound = aModifierObj;
-        aCurrentModifierFeat = aModifierFeat;
-        TNaming_Iterator aPairIter(aNewNS);
-        aNewShape = aPairIter.NewShape();
-        anIterate = true;
-        break;
-      } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is null
-        ResultPtr anEmptyContext;
-        std::shared_ptr<GeomAPI_Shape> anEmptyShape;
-        setValue(anEmptyContext, anEmptyShape); // nullify the selection
-        return;
-      } else { // not-precessed modification => don't support it
-        continue;
-      }
-    }
+  TopoDS_Shape aValShape;
+  if (aSubShape.get()) {
+    aValShape = aSubShape->impl<TopoDS_Shape>();
   }
-  if (aModifierResFound.get()) {
+
+  std::list<ResultPtr> aNewContexts;
+  TopTools_ListOfShape aValShapes;
+  if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
+  {
     // update scope to reset to a new one
     myScope.Clear();
-    myRef.setValue(aModifierResFound);
-    // if context shape type is changed to more complicated and this context is selected, split
-    if (myParent &&!aSubShape.get() && aModifierResFound->shape().get() && aContext->shape().get())
-    {
-      TopoDS_Shape anOldShape = aContext->shape()->impl<TopoDS_Shape>();
-      TopoDS_Shape aNewShape = aModifierResFound->shape()->impl<TopoDS_Shape>();
-      if (!anOldShape.IsNull() && !aNewShape.IsNull() &&
-        anOldShape.ShapeType() != aNewShape.ShapeType() &&
-        (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID)) {
-        // prepare for split in "update"
-        TDF_Label aSelLab = selectionLabel();
-        split(aContext, aNewShape, anOldShape.ShapeType());
+
+    std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
+    TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
+    if (aNewCont == aNewContexts.end()) { // all results were deleted
+      ResultPtr anEmptyContext;
+      std::shared_ptr<GeomAPI_Shape> anEmptyShape;
+      setValue(anEmptyContext, anEmptyShape); // nullify the selection
+      return;
+    }
+
+    GeomShapePtr aValueShape;
+    if (!aNewValues.Value().IsNull()) {
+      aValueShape = std::make_shared<GeomAPI_Shape>();
+      aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
+    }
+    setValue(*aNewCont, aValueShape);
+    // if there are more than one result, put them by "append" into "parent" list
+    if (myParent) {
+      for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
+          aNewCont++, aNewValues.Next()) {
+        GeomShapePtr aValueShape;
+        if (!aNewValues.Value().IsNull()) {
+          aValueShape = std::make_shared<GeomAPI_Shape>();
+          aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
+        }
+        myParent->append(*aNewCont, aValueShape);
       }
     }
-    update(); // it must recompute a new sub-shape automatically
   }
 }