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[modules/shaper.git] / src / Model / Model_ResultBody.cpp
index 4a04dda1ade5b955eb825167228ae3a117cbd552..731a520de0bb6fcff6f1d14a725b60612737cb04 100644 (file)
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:        Model_ResultBody.cpp
-// Created:     08 Jul 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_ResultBody.h>
-#include <Model_Data.h>
-#include <Model_Document.h>
-#include <TNaming_Builder.hxx>
-#include <TNaming_NamedShape.hxx>
-#include <TDataStd_Name.hxx>
-#include <TopoDS.hxx>
-#include <TopoDS_Shape.hxx>
-#include <TopoDS_Face.hxx>
-#include <TDF_ChildIterator.hxx>
-#include <TopTools_MapOfShape.hxx>
-#include <TopExp_Explorer.hxx>
-#include <TopTools_ListOfShape.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
-#include <TopTools_DataMapOfShapeListOfShape.hxx>
-#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
-#include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
-#include <TopTools_MapIteratorOfMapOfShape.hxx>
-#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
-#include <TopTools_IndexedMapOfShape.hxx>
-#include <TopTools_DataMapOfShapeShape.hxx>
-#include <TopExp.hxx>
-#include <BRepTools.hxx>
-#include <GeomAPI_Shape.h>
-#include <GeomAlgoAPI_MakeShape.h>
+#include <Model_BodyBuilder.h>
+#include <ModelAPI_ResultCompSolid.h>
+#include <ModelAPI_Tools.h>
+#include <Config_PropManager.h>
+#include <ModelAPI_Events.h>
 // DEB
 //#include <TCollection_AsciiString.hxx>
 //#include <TDF_Tool.hxx>
-Model_ResultBody::Model_ResultBody()
-{
-  setIsConcealed(false);
-}
-
-void Model_ResultBody::store(const std::shared_ptr<GeomAPI_Shape>& theShape)
-{
-  std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
-  if (aData) {
-    TDF_Label& aShapeLab = aData->shapeLab();
-    // clean builders
-    clean();   
-    // store the new shape as primitive
-    TNaming_Builder aBuilder(aShapeLab);
-    if (!theShape)
-      return;  // bad shape
-    TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
-    if (aShape.IsNull())
-      return;  // null shape inside
-
-    aBuilder.Generated(aShape);        
-       // register name
-       if(!aBuilder.NamedShape()->IsEmpty()) {
-         Handle(TDataStd_Name) anAttr;
-         if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
-               std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
-               if(!aName.empty()) {
-          std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
-          aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
-               }
-         }
-       }
-  }
-}
-
-void Model_ResultBody::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
-  const std::shared_ptr<GeomAPI_Shape>& theToShape)
-{
-  std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
-  if (aData) {
-    TDF_Label& aShapeLab = aData->shapeLab();
-    // clean builders
-    clean();   
-    // store the new shape as primitive
-    TNaming_Builder aBuilder(aShapeLab);
-    if (!theFromShape || !theToShape)
-      return;  // bad shape
-    TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
-    if (aShapeBasis.IsNull())
-      return;  // null shape inside
-    TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
-    if (aShapeNew.IsNull())
-      return;  // null shape inside
-    aBuilder.Generated(aShapeBasis, aShapeNew);
-               // register name
-       if(!aBuilder.NamedShape()->IsEmpty()) {
-         Handle(TDataStd_Name) anAttr;
-         if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
-               std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
-               if(!aName.empty()) {
-          std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
-          aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
-               }
-         }
-       }
-  }
-}
-
-void Model_ResultBody::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
-  const std::shared_ptr<GeomAPI_Shape>& theNewShape)
-{
-  std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
-  if (aData) {
-    TDF_Label& aShapeLab = aData->shapeLab();
-    // clean builders
-    clean();   
-    // store the new shape as primitive
-    TNaming_Builder aBuilder(aShapeLab);
-    if (!theOldShape || !theNewShape)
-      return;  // bad shape
-    TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
-    if (aShapeOld.IsNull())
-      return;  // null shape inside
-    TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
-    if (aShapeNew.IsNull())
-      return;  // null shape inside
-       aBuilder.Modify(aShapeOld, aShapeNew);
-  }
-}
-
-std::shared_ptr<GeomAPI_Shape> Model_ResultBody::shape()
-{
-  std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
-  if (aData) {
-    TDF_Label& aShapeLab = aData->shapeLab();
-    Handle(TNaming_NamedShape) aName;
-    if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
-      TopoDS_Shape aShape = aName->Get();
-      if (!aShape.IsNull()) {
-        std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
-        aRes->setImpl(new TopoDS_Shape(aShape));
-        return aRes;
-      }
-    }
-  }
-  return std::shared_ptr<GeomAPI_Shape>();
-}
-
-void Model_ResultBody::clean()
-{
-  std::vector<TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
-  for(; aBuilder != myBuilders.end(); aBuilder++)
-    delete *aBuilder;
-  myBuilders.clear();
-}
-
-Model_ResultBody::~Model_ResultBody()
-{
-  clean();
-}
+//#define DEB_IMPORT 1
 
-TNaming_Builder* Model_ResultBody::builder(const int theTag)
-{
-  if (myBuilders.size() <= (unsigned int)theTag) {
-    myBuilders.insert(myBuilders.end(), theTag - myBuilders.size() + 1, NULL);
-  }
-  if (!myBuilders[theTag]) {
-    std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
-    myBuilders[theTag] = new TNaming_Builder(aData->shapeLab().FindChild(theTag));
-    //TCollection_AsciiString entry;//
-    //TDF_Tool::Entry(aData->shapeLab().FindChild(theTag), entry);
-    //cout << "Label = " <<entry.ToCString() <<endl;
-  }
-  return myBuilders[theTag];
-}
-
-void Model_ResultBody::buildName(const int theTag, const std::string& theName)
-{
-  std::string aName = data()->name() + "/" + theName; 
-  std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
-  aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), aName);
-  TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(),aName.c_str());
-}
-void Model_ResultBody::generated(
-  const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
-{
-  TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
-  builder(theTag)->Generated(aShape);
-  if(!theName.empty()) 
-    buildName(theTag, theName);
-}
-
-void Model_ResultBody::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
-  const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
-{
-  TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
-  TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
-  builder(theTag)->Generated(anOldShape, aNewShape);
-  if(!theName.empty()) 
-    buildName(theTag, theName);
-}
-
-
-void Model_ResultBody::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
-  const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
+Model_ResultBody::Model_ResultBody()
 {
-  TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
-  TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
-  builder(theTag)->Modify(anOldShape, aNewShape);
-  if(!theName.empty()) 
-    buildName(theTag, theName);
+  myBuilder = new Model_BodyBuilder(this);
+  myWasConcealed = false;
+  myConnect = ConnectionNotComputed;
 }
 
-void Model_ResultBody::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
-  const int theTag)
+void Model_ResultBody::colorConfigInfo(std::string& theSection, std::string& theName,
+  std::string& theDefault)
 {
-  TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
-  builder(theTag)->Delete(aShape);
+  theSection = "Visualization";
+  theName = "result_body_color";
+  theDefault = DEFAULT_COLOR();
 }
 
-void Model_ResultBody::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
-  std::shared_ptr<GeomAPI_Shape>  theShapeIn,
-  const int  theKindOfShape,
-  const int  theTag)
+bool Model_ResultBody::setDisabled(std::shared_ptr<ModelAPI_Result> theThis, const bool theFlag)
 {
-  TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
-  TopTools_MapOfShape aView;
-  TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
-  for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
-    const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
-    if (!aView.Add(aRoot)) continue;
-    std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
-    aRShape->setImpl((new TopoDS_Shape(aRoot)));
-    if (theMS->isDeleted (aRShape)) {
-      builder(theTag)->Delete(aRoot);
-    }
+  bool aChanged = ModelAPI_ResultBody::setDisabled(theThis, theFlag);
+  if (aChanged && data()->isValid()) { // state is changed, so modifications are needed
+    myBuilder->evolutionToSelection(theFlag);
   }
+  return aChanged;
 }
 
-void Model_ResultBody::loadAndOrientModifiedShapes (
-  GeomAlgoAPI_MakeShape* theMS,
-  std::shared_ptr<GeomAPI_Shape>  theShapeIn,
-  const int  theKindOfShape,
-  const int  theTag,
-  const std::string& theName,
-  GeomAPI_DataMapOfShapeShape& theSubShapes)
+bool Model_ResultBody::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 {
-  TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
-  TopTools_MapOfShape aView;
-  bool isBuilt = theName.empty();
-  TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
-  for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
-    const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
-    if (!aView.Add(aRoot)) continue;
-    ListOfShape aList;
-    std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
-    aRShape->setImpl((new TopoDS_Shape(aRoot)));
-       theMS->modified(aRShape, aList);
-    std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = aList.begin(), aLast = aList.end();
-    for (; anIt != aLast; anIt++) {
-      TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();    
-      if (theSubShapes.isBound(*anIt)) {
-        std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
-        aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
-      }
-      if (!aRoot.IsSame (aNewShape)) {
-        builder(theTag)->Modify(aRoot,aNewShape);
-               if(!isBuilt) 
-                 buildName(theTag, theName);           
-         }
-    }
-  }
+  return myBuilder->isLatestEqual(theShape);
 }
 
-void Model_ResultBody::loadAndOrientGeneratedShapes (
-  GeomAlgoAPI_MakeShape* theMS,
-  std::shared_ptr<GeomAPI_Shape>  theShapeIn,
-  const int  theKindOfShape,
-  const int  theTag,
-  const std::string& theName,
-  GeomAPI_DataMapOfShapeShape& theSubShapes)
+bool Model_ResultBody::isConcealed()
 {
-  TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
-  TopTools_MapOfShape aView;
-  bool isBuilt = theName.empty();
-  TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
-  for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
-    const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
-    if (!aView.Add(aRoot)) continue;
-    ListOfShape aList;
-    std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
-    aRShape->setImpl((new TopoDS_Shape(aRoot)));
-    theMS->generated(aRShape, aList);
-    std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = aList.begin(), aLast = aList.end();
-    for (; anIt != aLast; anIt++) {
-      TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();    
-      if (theSubShapes.isBound(*anIt)) {
-        std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
-        aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
+  bool aResult = false;
+  if (ModelAPI_ResultBody::isConcealed()) {
+    aResult = true;
+  } else {
+    ResultPtr aThis = std::dynamic_pointer_cast<ModelAPI_Result>(data()->owner());
+    if (aThis.get()) {
+      ResultCompSolidPtr aParent = ModelAPI_Tools::compSolidOwner(aThis);
+      if (aParent.get()) {
+        if (aParent->isConcealed())
+          aResult = true;
       }
-      if (!aRoot.IsSame (aNewShape)) {
-        builder(theTag)->Generated(aRoot,aNewShape);
-               if(!isBuilt) 
-                 buildName(theTag, theName);   
-         }
     }
   }
-}
-
-//=======================================================================
-int getDangleShapes(const TopoDS_Shape&           theShapeIn, 
-                                       const TopAbs_ShapeEnum        theGeneratedFrom,
-                                   TopTools_DataMapOfShapeShape& theDangles) 
-{
-  theDangles.Clear();
-  TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
-  TopAbs_ShapeEnum GeneratedTo;
-  if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
-  else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
-  else return Standard_False;
-  TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
-  for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
-    const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
-    const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
-    if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
-  }
-  return theDangles.Extent();
-}
-
-//=======================================================================
-void loadGeneratedDangleShapes(
-                                                          const TopoDS_Shape&      theShapeIn,
-                                              const TopAbs_ShapeEnum   theGeneratedFrom,
-                                              TNaming_Builder *        theBuilder)
-{
-  TopTools_DataMapOfShapeShape dangles;
-  if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
-  TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
-  for (; itr.More(); itr.Next()) 
-       theBuilder->Generated(itr.Key(), itr.Value());
-}
-
-//=======================================================================
-void Model_ResultBody::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape, 
-                                         const std::string& theName, int&  theTag)
-{
-  if(theShape->isNull()) return;
-  TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();    
-  std::string aName;
-  if (aShape.ShapeType() == TopAbs_SOLID) {                
-    TopExp_Explorer expl(aShape, TopAbs_FACE);
-    for (; expl.More(); expl.Next()) {  
-         builder(theTag)->Generated(expl.Current()); 
-         TCollection_AsciiString aStr(theTag);
-         aName = theName + aStr.ToCString();
-         buildName(theTag, aName);
-         theTag++;
-       }
-  }
-  else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
-    // load faces and all the free edges
-    TopTools_IndexedMapOfShape Faces;
-    TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
-    if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
-      TopExp_Explorer expl(aShape, TopAbs_FACE);
-      for (; expl.More(); expl.Next()) {
-                 builder(theTag)->Generated(expl.Current());          
-                 TCollection_AsciiString aStr(theTag);
-             aName = theName + aStr.ToCString();
-             buildName(theTag, aName);
-                 theTag++;
-         }
-       }
-    TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
-    TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
-    for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++) 
-       {
-      const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
-      if (aLL.Extent() < 2) {
-           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);
-               theTag++;
-      } else {
-         TopTools_ListIteratorOfListOfShape anIter(aLL);
-         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
-         anIter.Next();
-         if(aFace.IsEqual(anIter.Value())) {
-               builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);
-           theTag++;
-         }
-         }
-       }
-  } else if (aShape.ShapeType() == TopAbs_WIRE) {
-    TopTools_IndexedMapOfShape Edges;
-    BRepTools::Map3DEdges(aShape, Edges);
-    if (Edges.Extent() == 1) {
-         builder(++theTag)->Generated(Edges.FindKey(1));
-      TopExp_Explorer expl(aShape, TopAbs_VERTEX);
-      for (; expl.More(); expl.Next()) {
-           builder(theTag)->Generated(expl.Current());
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);
-           theTag++;
-         }
-       } else {
-      TopExp_Explorer expl(aShape, TopAbs_EDGE); 
-      for (; expl.More(); expl.Next()) {       
-               builder(theTag)->Generated(expl.Current());
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);
-               theTag++;
-         }   
-      // and load generated vertices.
-      TopTools_DataMapOfShapeShape generated;
-      if (getDangleShapes(aShape, TopAbs_EDGE, generated)) 
-         {
-               TNaming_Builder* pBuilder = builder(theTag++);
-               loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);  
-         }
-       }
-  } else if (aShape.ShapeType() == TopAbs_EDGE) {
-    TopExp_Explorer expl(aShape, TopAbs_VERTEX);
-    for (; expl.More(); expl.Next()) {      
-               builder(theTag)->Generated(expl.Current());
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);
-               theTag++;
-       }
-  }
-}
-//=======================================================================
-void Model_ResultBody::loadFirstLevel(
-                    std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
-{
-  if(theShape->isNull()) return;
-  TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>(); 
-  std::string aName;
-  if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
-    TopoDS_Iterator itr(aShape);
-    for (; itr.More(); itr.Next(),theTag++) {
-         builder(theTag)->Generated(itr.Value());
-         TCollection_AsciiString aStr(theTag);
-         aName = theName + aStr.ToCString();
-         buildName(theTag, aName);
-         if(!theName.empty()) buildName(theTag, aName);
-      if (itr.Value().ShapeType() == TopAbs_COMPOUND || 
-                 itr.Value().ShapeType() == TopAbs_COMPSOLID) 
-         {
-               std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
-        itrShape->setImpl(new TopoDS_Shape(itr.Value()));
-           loadFirstLevel(itrShape, theName, theTag);
-      } else {
-               std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
-        itrShape->setImpl(new TopoDS_Shape(itr.Value()));              
-               loadNextLevels(itrShape, theName, theTag);
-         }
+  if (myWasConcealed != aResult) {
+    myWasConcealed = aResult;
+    if (aResult) { // hidden unit must be redisplayed (hidden)
+      ModelAPI_EventCreator::get()->sendDeleted(document(), this->groupName());
+      // redisplay for the viewer (it must be disappeared also)
+      static Events_ID EVENT_DISP =
+        Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+      ModelAPI_EventCreator::get()->sendUpdated(data()->owner(), EVENT_DISP);
+    } else { // was not concealed become concealed => delete event
+      static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
+      ModelAPI_EventCreator::get()->sendUpdated(data()->owner(), anEvent);
     }
-  } else {
-    std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
-    itrShape->setImpl(new TopoDS_Shape(aShape));
-       loadNextLevels(itrShape, theName, theTag); 
   }
-}
 
-//=======================================================================
-void Model_ResultBody::loadDisconnectedEdges(
-                    std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
-{
-  if(theShape->isNull()) return;
-  TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();  
-  TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
-  TopTools_ListOfShape empty;
-  TopExp_Explorer explF(aShape, TopAbs_FACE);
-  for (; explF.More(); explF.Next()) {
-    const TopoDS_Shape& aFace = explF.Current();
-    TopExp_Explorer explV(aFace, TopAbs_EDGE);
-    for (; explV.More(); explV.Next()) {
-      const TopoDS_Shape& anEdge = explV.Current();
-      if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
-      Standard_Boolean faceIsNew = Standard_True;
-      TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
-      for (; itrF.More(); itrF.Next()) {
-           if (itrF.Value().IsSame(aFace)) {
-           faceIsNew = Standard_False;
-           break;
-               }
-         }
-      if (faceIsNew) 
-           edgeNaborFaces.ChangeFind(anEdge).Append(aFace);      
-       }
-  }
-  
-  TopTools_MapOfShape anEdgesToDelete;
-  TopExp_Explorer anEx(aShape,TopAbs_EDGE); 
-  std::string aName;
-  for(;anEx.More();anEx.Next()) {
-    Standard_Boolean aC0 = Standard_False;
-    TopoDS_Shape anEdge1 = anEx.Current();
-    if (edgeNaborFaces.IsBound(anEdge1)) {
-      const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
-      if (aList1.Extent()<2) continue;
-      TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
-      for (; itr.More(); itr.Next()) {
-           TopoDS_Shape anEdge2 = itr.Key();
-           if(anEdgesToDelete.Contains(anEdge2)) continue;
-           if (anEdge1.IsSame(anEdge2)) continue;
-           const TopTools_ListOfShape& aList2 = itr.Value();
-           // compare lists of the neighbour faces of edge1 and edge2
-           if (aList1.Extent() == aList2.Extent()) {
-           Standard_Integer aMatches = 0;
-           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
-             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
-               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
-               if (aMatches == aList1.Extent()) {
-                 aC0=Standard_True;
-                         builder(theTag)->Generated(anEdge2);
-                 anEdgesToDelete.Add(anEdge2);
-                         TCollection_AsciiString aStr(theTag);
-                         aName = theName + aStr.ToCString();
-                 buildName(theTag, aName);
-                         theTag++;
-                       }
-               }
-         }      
-      TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
-      for(;itDelete.More();itDelete.Next()) 
-           edgeNaborFaces.UnBind(itDelete.Key());      
-      edgeNaborFaces.UnBind(anEdge1);
-       }
-    if (aC0) {
-         builder(theTag)->Generated(anEdge1);
-         TCollection_AsciiString aStr(theTag);
-         aName = theName + aStr.ToCString();
-         buildName(theTag, aName);      
-         theTag++;
-       }
-  }
+  return aResult;
 }
-
-void Model_ResultBody::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
-{
-  if(theShape->isNull()) return;
-  TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();  
-  TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
-  TopTools_ListOfShape empty;
-  TopExp_Explorer explF(aShape, TopAbs_EDGE);
-  for (; explF.More(); explF.Next()) {
-    const TopoDS_Shape& anEdge = explF.Current();
-    TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
-    for (; explV.More(); explV.Next()) {
-      const TopoDS_Shape& aVertex = explV.Current();
-      if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
-      Standard_Boolean faceIsNew = Standard_True;
-      TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
-      for (; itrF.More(); itrF.Next()) {
-        if (itrF.Value().IsSame(anEdge)) {
-          faceIsNew = Standard_False;
-          break;
-        }
-      }
-      if (faceIsNew) {
-        vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
-      }
-    }
-  }
-  std::string aName;
-  TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
-  for (; itr.More(); itr.Next()) {
-    const TopTools_ListOfShape& naborEdges = itr.Value();
-    if (naborEdges.Extent() < 2) {             
-               builder(theTag)->Generated(itr.Key());
-               TCollection_AsciiString aStr(theTag);
-           aName = theName + aStr.ToCString();
-           buildName(theTag, aName);    
-               theTag++;
-       }
-  }
-}
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