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Right reset of the selection attribute: to be tested on all cases
[modules/shaper.git] / src / Model / Model_AttributeSelection.cpp
index 665f2eba5cd9c87807b1b7898016e64c5e8b6afd..d2456c85e199fa4bb5f7838cf14d78549250d2a8 100644 (file)
 #include <ModelAPI_CompositeFeature.h>
 #include <ModelAPI_Tools.h>
 #include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
 #include <Events_InfoMessage.h>
+#include <GeomAPI_Edge.h>
+#include <GeomAPI_Vertex.h>
 
 #include <TNaming_Selector.hxx>
 #include <TNaming_NamedShape.hxx>
@@ -57,6 +60,9 @@
 #include <TDF_ChildIDIterator.hxx>
 #include <TopoDS_Iterator.hxx>
 #include <TDF_ChildIDIterator.hxx>
+#include <Geom_Circle.hxx>
+#include <Geom_Ellipse.hxx>
+#include <BRep_Builder.hxx>
 
 //#define DEB_NAMING 1
 #ifdef DEB_NAMING
@@ -72,39 +78,53 @@ Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
 // selection is invalid after recomputation
 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
 
+// identifier of the selection of the center of circle on edge
+Standard_GUID kCIRCLE_CENTER("d0d0e0f1-217a-4b95-8fbb-0c4132f23718");
+// identifier of the selection of the first focus point of ellipse on edge
+Standard_GUID kELLIPSE_CENTER1("f70df04c-3168-4dc9-87a4-f1f840c1275d");
+// identifier of the selection of the second focus point of ellipse on edge
+Standard_GUID kELLIPSE_CENTER2("1395ae73-8e02-4cf8-b204-06ff35873a32");
+
 // on this label is stored:
 // TNaming_NamedShape - selected shape
 // TNaming_Naming - topological selection information (for the body)
 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
 // TDataStd_Integer - type of the selected shape (for construction)
 // TDF_Reference - from ReferenceAttribute, the context
-void Model_AttributeSelection::setValue(const ResultPtr& theContext,
+bool Model_AttributeSelection::setValue(const ResultPtr& theContext,
   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 {
   if (theTemporarily) { // just keep the stored without DF update
     myTmpContext = theContext;
     myTmpSubShape = theSubShape;
     owner()->data()->sendAttributeUpdated(this);
-    return;
+    return true;
   } else {
     myTmpContext.reset();
     myTmpSubShape.reset();
+    myTmpCenterType = NOT_CENTER;
   }
 
-  const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
+  CenterType aType;
+  const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
   bool isOldContext = theContext == myRef.value();
   bool isOldShape = isOldContext &&
     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
-  if (isOldShape) return; // shape is the same, so context is also unchanged
+  if (isOldShape) return false; // shape is the same, so context is also unchanged
+  bool aToUnblock = false;
   // update the referenced object if needed
   if (!isOldContext) {
-      myRef.setValue(theContext);
+    aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
+    myRef.setValue(theContext);
   }
 
   // do noth use naming if selected shape is result shape itself, but not sub-shape
   TDF_Label aSelLab = selectionLabel();
   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
   aSelLab.ForgetAttribute(kINVALID_SELECTION);
+  aSelLab.ForgetAttribute(kCIRCLE_CENTER);
+  aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
+  aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 
   bool isDegeneratedEdge = false;
   // do not use the degenerated edge as a shape, a null context and shape is used in the case
@@ -118,7 +138,9 @@ void Model_AttributeSelection::setValue(const ResultPtr& theContext,
     TDF_Label aRefLab = myRef.myRef->Label();
     aSelLab.ForgetAllAttributes(true);
     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
-    return;
+    if (aToUnblock)
+      owner()->data()->blockSendAttributeUpdated(false);
+    return false;
   }
   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
     // do not select the whole shape for body:it is already must be in the data framework
@@ -152,6 +174,57 @@ void Model_AttributeSelection::setValue(const ResultPtr& theContext,
   }
 
   owner()->data()->sendAttributeUpdated(this);
+
+  if (aToUnblock)
+    owner()->data()->blockSendAttributeUpdated(false);
+
+  return true;
+}
+
+void Model_AttributeSelection::setValueCenter(
+    const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
+    const CenterType theCenterType, const bool theTemporarily)
+{
+  bool anUpdated = setValue(theContext, theEdge, theTemporarily);
+  if (theTemporarily) {
+    myTmpCenterType = theCenterType;
+  } else { // store in the data structure
+    TDF_Label aSelLab = selectionLabel();
+    switch(theCenterType) {
+    case CIRCLE_CENTER:
+      if (!anUpdated)
+        anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
+      TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
+      break;
+    case ELLIPSE_FIRST_FOCUS:
+      if (!anUpdated)
+        anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
+      TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
+      break;
+    case ELLIPSE_SECOND_FOCUS:
+      if (!anUpdated)
+        anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
+      TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
+      break;
+    }
+    if (anUpdated)
+      owner()->data()->sendAttributeUpdated(this);
+  }
+}
+
+void Model_AttributeSelection::selectValue(
+    const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
+{
+  CenterType aType;
+  std::shared_ptr<GeomAPI_Shape> aValue =
+    std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
+  if (!aValue.get() || aType == NOT_CENTER) {
+    setValue(theSource->context(), aValue);
+  } else {
+    std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
+    anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
+    setValueCenter(theSource->context(), anEdge, aType);
+  }
 }
 
 void Model_AttributeSelection::removeTemporaryValues()
@@ -162,10 +235,57 @@ void Model_AttributeSelection::removeTemporaryValues()
   }
 }
 
+// returns the center of the edge: circular or elliptical
+GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
+{
+  if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
+    TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
+    if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
+      TopoDS_Edge anEdge = TopoDS::Edge(aShape);
+      double aFirst, aLast;
+      Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
+      if (!aCurve.IsNull()) {
+        TopoDS_Vertex aVertex;
+        BRep_Builder aBuilder;
+        if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
+          Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
+          if (!aCirc.IsNull()) {
+            aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
+          }
+        } else { // ellipse
+          Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
+          if (!anEll.IsNull()) {
+            aBuilder.MakeVertex(aVertex,
+              theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
+              anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
+          }
+        }
+        if (!aVertex.IsNull()) {
+          std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
+          aResult->setImpl(new TopoDS_Vertex(aVertex));
+          return aResult;
+        }
+      }
+    }
+  }
+  return theEdge; // no vertex, so, return the initial edge
+}
+
 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 {
+  if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
+    return std::shared_ptr<GeomAPI_Shape>();
+  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()) {
@@ -179,6 +299,14 @@ std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
   if (aSelLab.IsAttribute(kINVALID_SELECTION))
     return aResult;
 
+  if (aSelLab.IsAttribute(kCIRCLE_CENTER))
+    theType = CIRCLE_CENTER;
+  else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
+    theType = ELLIPSE_FIRST_FOCUS;
+  else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
+    theType = ELLIPSE_SECOND_FOCUS;
+
+
   if (myRef.isInitialized()) {
     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
       ResultPtr aContext = context();
@@ -221,7 +349,7 @@ std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
       TopoDS_Shape aSelShape = aSelection->Get();
       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
       aResult->setImpl(new TopoDS_Shape(aSelShape));
-    } else if (aConstr) { // for simple construction element: just shape of this construction element
+    } 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
@@ -281,6 +409,11 @@ void Model_AttributeSelection::setID(const std::string theID)
 }
 
 ResultPtr Model_AttributeSelection::context() {
+  /*
+  if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
+    return ResultPtr();
+  */
+
   if (myTmpContext.get() || myTmpSubShape.get()) {
     return myTmpContext;
   }
@@ -330,13 +463,14 @@ TDF_LabelMap& Model_AttributeSelection::scope()
       }
     }
     // for group Scope is not limitet: this is always up to date objects
-    bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
+    // this causes problem in galeries.py
+    //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
     for(; aFIter != allFeatures.end(); aFIter++) {
       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
         aMePassed = true;
         continue;
       }
-      if (isGroup) aMePassed = false;
+      //if (isGroup) aMePassed = false;
       bool isInScope = !aMePassed;
       if (!isInScope && aComposite.get()) {
         // try to add sub-elements of composite if this is composite
@@ -466,6 +600,11 @@ bool Model_AttributeSelection::update()
       bool aModified = true;
       bool aValid = aConstructionContext->update(anIndex->Get(), owner()->document(), aModified);
       setInvalidIfFalse(aSelLab, aValid);
+      if (aConstructionContext->isInfinite()) {
+        // Update the selected shape.
+        TNaming_Builder aBuilder(aSelLab);
+        aBuilder.Generated(aConstructionContext->shape()->impl<TopoDS_Shape>());
+      }
       if (aModified)
         owner()->data()->sendAttributeUpdated(this);
       return aValid;
@@ -536,7 +675,7 @@ void Model_AttributeSelection::selectBody(
     bool isFound = false;
     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
     for(; anExp.More(); anExp.Next()) {
-      if (anExp.Current().IsEqual(aNewSub)) {
+      if (anExp.Current().IsSame(aNewSub)) {
         isFound = true;
         break;
       }
@@ -618,21 +757,56 @@ 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
@@ -641,54 +815,156 @@ 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);
-          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;
+    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()) {
+            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 compsolid is context, try to take sub-solid as context: like in GUI and scripts
+      if (aCont.get() && aShapeToBeSelected.get()) {
+        ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aCont);
+        if (aComp && aComp->numberOfSubs()) {
+          for(int aSubNum = 0; aSubNum < aComp->numberOfSubs(); aSubNum++) {
+            ResultPtr aSub = aComp->subResult(aSubNum);
+            if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aShapeToBeSelected)) {
+              aCont = aSub;
+              break;
+            }
+          }
+        }
+      }
+      // try to find the latest active result that must be used instead of the selected
+      // to set the active context (like in GUI selection), not concealed one
+      bool aFindNewContext = true;
+      while(aFindNewContext && aCont.get()) {
+        aFindNewContext = false;
+        // take references to all results: root one, any sub
+        ResultCompSolidPtr aCompContext = ModelAPI_Tools::compSolidOwner(aCont);
+        int aSubsSize = (aCompContext.get() ? aCompContext->numberOfSubs() : 0) + 1;
+        for(int aResultNum = 0; aResultNum < aSubsSize; aResultNum++) {
+          ResultPtr aResCont = aCont;
+          if (aCompContext.get())
+            if (aResultNum == aSubsSize - 1)
+              aResCont = aCompContext;
+            else aResCont = aCompContext->subResult(aResultNum);
+          const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
+          std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
+          for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
+            if (!aRef->get() || !(*aRef)->owner().get())
+              continue;
+            // concealed attribute only
+            FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
+            if (!ModelAPI_Session::get()->validators()->isConcealed(
+              aRefFeat->getKind(), (*aRef)->id()))
+              continue;
+            // search the feature result that contains sub-shape selected
+            std::list<std::shared_ptr<ModelAPI_Result> > aResults;
+
+            // take all sub-results or one result
+            const std::list<std::shared_ptr<ModelAPI_Result> >& aFResults = aRefFeat->results();
+            std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aFResults.begin();
+            for (; aRIter != aFResults.cend(); aRIter++) {
+              // iterate sub-bodies of compsolid
+              ResultCompSolidPtr aComp =
+                std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aRIter);
+              if (aComp.get() && aComp->numberOfSubs() > 0) {
+                int aNumSub = aComp->numberOfSubs();
+                for(int a = 0; a < aNumSub; a++) {
+                  aResults.push_back(aComp->subResult(a));
+                }
+              } else {
+                aResults.push_back(*aRIter);
+              }
+            }
+            std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
+            for(; aResIter != aResults.end(); aResIter++) {
+              if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
+                continue;
+              GeomShapePtr aShape = (*aResIter)->shape();
+              GeomShapePtr aSelectedShape =
+                aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
+              if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
+                aCont = *aResIter; // found new context (produced from this) with same subshape
+                //if (!aShape->isSubShape(aShapeToBeSelected, true)) // take context orientation
+                //  aShapeToBeSelected->setOrientation();
+                aFindNewContext = true; // continue searching futher
+                break;
+              }
+            }
+          }
+        }
+      }
+
+      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();
@@ -894,40 +1170,50 @@ bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document>
 {
   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())
+  // iterate context and shape, but also if it is sub-shape of main shape, check also it
+  TopTools_ListOfShape aContextList;
+  aContextList.Append(theContShape);
+  if (theContext.get()) {
+    ResultPtr aComposite = ModelAPI_Tools::compSolidOwner(theContext);
+    if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
+      aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
+  }
+  for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
+    TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), 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 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;
+      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())