src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_AttributeSelection.h
   4 // Created:     2 Oct 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include "Model_AttributeSelection.h"
   8 #include "Model_Application.h"
   9 #include "Model_Events.h"
  10 #include "Model_Data.h"
  11 #include "Model_Document.h"
  12 #include <ModelAPI_Feature.h>
  13 #include <ModelAPI_ResultBody.h>
  14 #include <ModelAPI_ResultConstruction.h>
  15 #include <ModelAPI_CompositeFeature.h>
  16 #include <GeomAPI_Shape.h>
  17 #include <GeomAPI_PlanarEdges.h>
  18 #include <Events_Error.h>
  19
  20 #include <TNaming_Selector.hxx>
  21 #include <TNaming_NamedShape.hxx>
  22 #include <TNaming_Tool.hxx>
  23 #include <TNaming_Builder.hxx>
  24 #include <TNaming_Localizer.hxx>
  25 #include <TopoDS_Shape.hxx>
  26 #include <TopoDS_Compound.hxx>
  27 #include <TDataStd_IntPackedMap.hxx>
  28 #include <TDataStd_Integer.hxx>
  29 #include <TDataStd_UAttribute.hxx>
  30 #include <TDataStd_Name.hxx>
  31 #include <TopTools_MapOfShape.hxx>
  32 #include <TopTools_IndexedMapOfShape.hxx>
  33 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  34 #include <TopTools_ListOfShape.hxx>
  35 #include <TopExp_Explorer.hxx>
  36 #include <TDF_LabelMap.hxx>
  37 #include <BRep_Tool.hxx>
  38 #include <BRep_Builder.hxx>
  39 #include <TopoDS_Edge.hxx>
  40 #include <TopoDS.hxx>
  41 #include <TopExp.hxx>
  42 #include <TColStd_MapOfTransient.hxx>
  43 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  44 #include <TopTools_ListIteratorOfListOfShape.hxx>
  45 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  46 #include <gp_Pnt.hxx>
  47 #include <Precision.hxx>
  48 #include <TDF_ChildIterator.hxx>
  49 #include <TDF_ChildIDIterator.hxx>
  50 #include <TDataStd_Name.hxx>
  51 #include <TopAbs_ShapeEnum.hxx>
  52 #include <TopoDS_Iterator.hxx>
  53 #include <TNaming_Iterator.hxx>
  54 using namespace std;
  55 //#define DEB_NAMING 1
  56 #ifdef DEB_NAMING
  57 #include <BRepTools.hxx>
  58 #endif
  59 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
  60 /// (multiplied by the index of the edge)
  61 static const int kSTART_VERTEX_DELTA = 1000000;
  62 // identifier that there is simple reference: selection equals to context
  63 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  64 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  65
  66 // on this label is stored:
  67 // TNaming_NamedShape - selected shape
  68 // TNaming_Naming - topological selection information (for the body)
  69 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  70 // TDataStd_Integer - type of the selected shape (for construction)
  71 // TDF_Reference - from ReferenceAttribute, the context
  72 #define DDDD 1
  73 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  74   const std::shared_ptr<GeomAPI_Shape>& theSubShape)
  75 {
  76   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  77   bool isOldContext = theContext == myRef.value();
  78   bool isOldShape = isOldContext &&
  79     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  80   if (isOldShape) return; // shape is the same, so context is also unchanged
  81   // update the referenced object if needed
  82   if (!isOldContext)
  83     myRef.setValue(theContext);
  84
  85   // do noth use naming if selected shape is result shape itself, but not sub-shape
  86   TDF_Label aSelLab = selectionLabel();
  87   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
  88   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
  89
  90   bool isDegeneratedEdge = false;
  91   // do not use the degenerated edge as a shape, a null context and shape is used in the case
  92   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
  93     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
  94     if (aSubShape.ShapeType() == TopAbs_EDGE)
  95       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape));
  96   }
  97   if (!theContext.get() || isDegeneratedEdge) {
  98     // to keep the reference attribute label
  99     TDF_Label aRefLab = myRef.myRef->Label();
 100     aSelLab.ForgetAllAttributes(true);
 101     myRef.myRef = TDF_Reference::Set(aSelLab, aSelLab);
 102     return;
 103   }
 104   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 105     // do not select the whole shape for body:it is already must be in the data framework
 106     if (theContext->shape().get() && theContext->shape()->isEqual(theSubShape)) {
 107       aSelLab.ForgetAllAttributes(true);
 108       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 109     } else {
 110       selectBody(theContext, theSubShape);
 111     }
 112   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 113     if (!theSubShape.get()) {
 114       // to sub, so the whole result is selected
 115       aSelLab.ForgetAllAttributes(true);
 116       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 117     } else {
 118       selectConstruction(theContext, theSubShape);
 119     }
 120   }
 121   myIsInitialized = true;
 122
 123   std::string aSelName = namingName();
 124   if(!aSelName.empty())
 125     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 126 #ifdef DDDD
 127   //####
 128   //selectSubShape("FACE",  "Extrusion_1/LateralFace_3");
 129   //selectSubShape("FACE",  "Extrusion_1/TopFace");
 130   //selectSubShape("EDGE", "Extrusion_1/TopFace|Extrusion_1/LateralFace_1");
 131   //selectSubShape("EDGE", "Sketch_1/Edge_6");
 132 #endif
 133   owner()->data()->sendAttributeUpdated(this);
 134 }
 135
 136 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 137 {
 138   std::shared_ptr<GeomAPI_Shape> aResult;
 139   if (myIsInitialized) {
 140     TDF_Label aSelLab = selectionLabel();
 141     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 142       ResultPtr aContext = context();
 143       if (!aContext.get())
 144         return aResult; // empty result
 145       return aContext->shape();
 146     }
 147     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 148         return aResult; // empty result
 149     }
 150
 151     Handle(TNaming_NamedShape) aSelection;
 152     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 153       TopoDS_Shape aSelShape = aSelection->Get();
 154       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 155       aResult->setImpl(new TopoDS_Shape(aSelShape));
 156     } else { // for simple construction element: just shape of this construction element
 157       ResultConstructionPtr aConstr =
 158         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 159       if (aConstr) {
 160         return aConstr->shape();
 161       }
 162     }
 163   }
 164   return aResult;
 165 }
 166
 167 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 168   : myRef(theLabel)
 169 {
 170   myIsInitialized = myRef.isInitialized();
 171 }
 172
 173 ResultPtr Model_AttributeSelection::context() {
 174   return std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 175 }
 176
 177
 178 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 179 {
 180   ModelAPI_AttributeSelection::setObject(theObject);
 181   myRef.setObject(theObject);
 182 }
 183
 184 TDF_LabelMap& Model_AttributeSelection::scope()
 185 {
 186   if (myScope.IsEmpty()) { // create a new scope if not yet done
 187     // gets all labels with named shapes that are bofore this feature label (before in history)
 188     TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 189       owner()->data())->label().Father();
 190     int aFeatureID = aFeatureLab.Tag();
 191     TDF_ChildIterator aFeaturesIter(aFeatureLab.Father());
 192     for(; aFeaturesIter.More(); aFeaturesIter.Next()) {
 193       if (aFeaturesIter.Value().Tag() >= aFeatureID) // the left labels are created later
 194         break;
 195       TDF_ChildIDIterator aNSIter(aFeaturesIter.Value(), TNaming_NamedShape::GetID(), 1);
 196       for(; aNSIter.More(); aNSIter.Next()) {
 197         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 198         if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 199           myScope.Add(aNS->Label());
 200         }
 201       }
 202     }
 203   }
 204   return myScope;
 205 }
 206
 207 bool Model_AttributeSelection::update()
 208 {
 209   ResultPtr aContext = context();
 210   if (!aContext.get()) return false;
 211   TDF_Label aSelLab = selectionLabel();
 212   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 213     return aContext->shape() && !aContext->shape()->isNull();
 214   }
 215   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 216     return aContext->shape() && !aContext->shape()->isNull();
 217   }
 218
 219   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 220     // body: just a named shape, use selection mechanism from OCCT
 221     TNaming_Selector aSelector(aSelLab);
 222     bool aResult = aSelector.Solve(scope()) == Standard_True;
 223     owner()->data()->sendAttributeUpdated(this);
 224     return aResult;
 225   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 226     // construction: identification by the results indexes, recompute faces and
 227     // take the face that more close by the indexes
 228     ResultConstructionPtr aConstructionContext =
 229       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 230     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 231     // sketch sub-element
 232     if (aConstructionContext &&
 233         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 234     {
 235       TDF_Label aLab = myRef.myRef->Label();
 236       // getting a type of selected shape
 237       Handle(TDataStd_Integer) aTypeAttr;
 238       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 239         return false;
 240       }
 241       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 242       // selected indexes will be needed in each "if"
 243       Handle(TDataStd_IntPackedMap) aSubIds;
 244       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 245       bool aNoIndexes =
 246         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 247       // for now working only with composite features
 248       CompositeFeaturePtr aComposite =
 249         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 250       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 251         return false;
 252       }
 253
 254       if (aShapeType == TopAbs_FACE) { // compound is for the whole sketch selection
 255         // If this is a wire with plane defined thin it is a sketch-like object
 256         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 257           return false;
 258         // if there is no edges indexes, any face can be used: take the first
 259         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 260         if (aNoIndexes) {
 261           aNewSelected = aConstructionContext->face(0);
 262         } else { // searching for most looks-like initial face by the indexes
 263           // prepare edges of the current resut for the fast searching
 264           TColStd_MapOfTransient allCurves;
 265           const int aSubNum = aComposite->numberOfSubs();
 266           for(int a = 0; a < aSubNum; a++) {
 267             if (aSubIds->Contains(aComposite->subFeatureId(a))) {
 268               FeaturePtr aSub = aComposite->subFeature(a);
 269               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 270               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 271               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 272                 ResultConstructionPtr aConstr =
 273                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 274                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 275                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 276                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 277                   if (!anEdge.IsNull()) {
 278                     Standard_Real aFirst, aLast;
 279                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 280                     allCurves.Add(aCurve);
 281                   }
 282                 }
 283               }
 284             }
 285           }
 286           double aBestFound = 0; // best percentage of found edges
 287           for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
 288             int aFound = 0, aNotFound = 0;
 289             TopExp_Explorer anEdgesExp(
 290               aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>(), TopAbs_EDGE);
 291             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 292               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 293               if (!anEdge.IsNull()) {
 294                 Standard_Real aFirst, aLast;
 295                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 296                 if (allCurves.Contains(aCurve)) {
 297                   aFound++;
 298                 } else {
 299                   aNotFound++;
 300                 }
 301               }
 302             }
 303             if (aFound + aNotFound != 0) {
 304               double aPercentage = double(aFound) / double(aFound + aNotFound);
 305               if (aPercentage > aBestFound) {
 306                 aBestFound = aPercentage;
 307                 aNewSelected = aConstructionContext->face(aFaceIndex);
 308               }
 309             }
 310           }
 311         }
 312         if (aNewSelected) { // store this new selection
 313           selectConstruction(aContext, aNewSelected);
 314           owner()->data()->sendAttributeUpdated(this);
 315           return true;
 316         }
 317       } else if (aShapeType == TopAbs_EDGE) {
 318         // just reselect the edge by the id
 319         const int aSubNum = aComposite->numberOfSubs();
 320         for(int a = 0; a < aSubNum; a++) {
 321           // if aSubIds take any, the first appropriate
 322           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 323             // found the appropriate feature
 324             FeaturePtr aFeature = aComposite->subFeature(a);
 325             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 326               aFeature->results().cbegin();
 327             for(;aResIter != aFeature->results().cend(); aResIter++) {
 328               ResultConstructionPtr aRes =
 329                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 330               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 331                 selectConstruction(aContext, aRes->shape());
 332                 owner()->data()->sendAttributeUpdated(this);
 333                 return true;
 334               }
 335             }
 336           }
 337         }
 338       } else if (aShapeType == TopAbs_VERTEX) {
 339         // just reselect the vertex by the id of edge
 340         const int aSubNum = aComposite->numberOfSubs();
 341         for(int a = 0; a < aSubNum; a++) {
 342           // if aSubIds take any, the first appropriate
 343           int aFeatureID = aComposite->subFeatureId(a);
 344           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 345             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 346             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 347               // searching for deltas
 348               int aVertexNum = 0;
 349               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 350               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 351               // found the feature with appropriate edge
 352               FeaturePtr aFeature = aComposite->subFeature(a);
 353               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 354                 aFeature->results().cbegin();
 355               for(;aResIter != aFeature->results().cend(); aResIter++) {
 356                 ResultConstructionPtr aRes =
 357                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 358                 if (aRes && aRes->shape()) {
 359                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 360                     selectConstruction(aContext, aRes->shape());
 361                     owner()->data()->sendAttributeUpdated(this);
 362                     return true;
 363                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 364                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 365                     int aVIndex = 1;
 366                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 367                       if (aVIndex == aVertexNum) { // found!
 368                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 369                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 370                         selectConstruction(aContext, aVertex);
 371                         owner()->data()->sendAttributeUpdated(this);
 372                         return true;
 373                       }
 374                       aVIndex++;
 375                     }
 376                   }
 377                 }
 378               }
 379           }
 380         }
 381       }
 382     } else { // simple construction element: the selected is that needed
 383       selectConstruction(aContext, aContext->shape());
 384       owner()->data()->sendAttributeUpdated(this);
 385       return true;
 386     }
 387   }
 388   return false; // unknown case
 389 }
 390
 391
 392 void Model_AttributeSelection::selectBody(
 393   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 394 {
 395   // perform the selection
 396   TNaming_Selector aSel(selectionLabel());
 397   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : TopoDS_Shape();
 398   TopoDS_Shape aContext;
 399
 400   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 401   if (aBody) {
 402     aContext = aBody->shape()->impl<TopoDS_Shape>();
 403   } else {
 404     ResultConstructionPtr aConstr =
 405       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myRef.value());
 406     if (aConstr) {
 407       aContext = aConstr->shape()->impl<TopoDS_Shape>();
 408     } else {
 409       Events_Error::send("A result with shape is expected");
 410       return;
 411     }
 412   }
 413   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 414   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 415   if (aFeatureOwner.get())
 416     aFeatureOwner->eraseResults();
 417
 418   aSel.Select(aNewShape, aContext);
 419 }
 420
 421 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 422 /// if theID is zero,
 423 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 424   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 425   std::string theAdditionalName,
 426   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)())
 427 {
 428   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 429   TNaming_Builder aBuilder(aLab);
 430   aBuilder.Generated(theShape);
 431   std::stringstream aName;
 432   aName<<theContextFeature->name()<<"/";
 433   if (!theAdditionalName.empty())
 434     aName<<theAdditionalName<<"/";
 435   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 436   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 437   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 438
 439   if (theRefs.IsNull()) {
 440     aName<<theID;
 441   } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
 442     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 443     for(; aRef.More(); aRef.Next()) {
 444       aName<<"-"<<aRef.Key();
 445     }
 446   }
 447
 448   theDoc->addNamingName(aLab, aName.str());
 449   TDataStd_Name::Set(aLab, aName.str().c_str());
 450 }
 451
 452 void Model_AttributeSelection::selectConstruction(
 453   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 454 {
 455   std::shared_ptr<Model_Document> aMyDoc =
 456     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 457   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 458   CompositeFeaturePtr aComposite =
 459     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 460   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 461   if (!aComposite || aComposite->numberOfSubs() == 0) {
 462     // saving of context is enough: result construction contains exactly the needed shape
 463     TNaming_Builder aBuilder(selectionLabel());
 464     aBuilder.Generated(aSubShape);
 465     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 466     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 467     return;
 468   }
 469   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 470   TDF_Label aLab = myRef.myRef->Label();
 471   // identify the reuslts of sub-object of the composite by edges
 472   // save type of the selected shape in integer attribute
 473   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 474   TDataStd_Integer::Set(aLab, (int)aShapeType);
 475   gp_Pnt aVertexPos;
 476   TColStd_MapOfTransient allCurves;
 477   if (aShapeType == TopAbs_VERTEX) { // compare positions
 478     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 479   } else {
 480     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 481       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 482       Standard_Real aFirst, aLast;
 483       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 484       allCurves.Add(aCurve);
 485     }
 486   }
 487   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 488   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 489   aRefs->Clear();
 490   const int aSubNum = aComposite->numberOfSubs();
 491   for(int a = 0; a < aSubNum; a++) {
 492     FeaturePtr aSub = aComposite->subFeature(a);
 493     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 494     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 495     // there may be many shapes (circle and center): register if at least one is in selection
 496     for(; aRes != aResults.cend(); aRes++) {
 497       ResultConstructionPtr aConstr =
 498         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 499       if (!aConstr->shape()) {
 500         continue;
 501       }
 502       if (aShapeType == TopAbs_VERTEX) {
 503         if (aConstr->shape()->isVertex()) { // compare vertices positions
 504           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 505           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 506           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 507             aRefs->Add(aComposite->subFeatureId(a));
 508           }
 509         } else { // get first or last vertex of the edge: last is stored with negative sign
 510           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 511           int aDelta = kSTART_VERTEX_DELTA;
 512           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 513             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 514             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 515               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 516               break;
 517             }
 518             aDelta += kSTART_VERTEX_DELTA;
 519           }
 520         }
 521       } else {
 522         if (aConstr->shape()->isEdge()) {
 523           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 524           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 525           if (!anEdge.IsNull()) {
 526             Standard_Real aFirst, aLast;
 527             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 528             if (allCurves.Contains(aCurve)) {
 529               int anID = aComposite->subFeatureId(a);
 530               aRefs->Add(anID);
 531               if (aShapeType != TopAbs_EDGE) { // edge do not need the sub-edges on sub-labels
 532                 // add edges to sub-label to support naming for edges selection
 533                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 534                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 535                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 536                   Standard_Real aFirst, aLast;
 537                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 538                   if (aFaceCurve == aCurve) {
 539                     registerSubShape(selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "");
 540                   }
 541                 }
 542               } else { // put vertices of the selected edge to sub-labels
 543                 // add edges to sub-label to support naming for edges selection
 544                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 545                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 546                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 547                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 548
 549                   std::stringstream anAdditionalName;
 550                   registerSubShape(selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc,
 551                     "");
 552                 }
 553               }
 554             }
 555           }
 556         }
 557       }
 558     }
 559   }
 560   // store the selected as primitive
 561   TNaming_Builder aBuilder(selectionLabel());
 562   aBuilder.Generated(aSubShape);
 563   registerSubShape(selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", aRefs);
 564 }
 565
 566 TDF_Label Model_AttributeSelection::selectionLabel()
 567 {
 568   return myRef.myRef->Label().FindChild(1);
 569 }
 570
 571 #define FIX_BUG1 1
 572 std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape,
 573   const TDF_Label& theLabel)
 574 {
 575   std::string aName;
 576   // check if the subShape is already in DF
 577   Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
 578   Handle(TDataStd_Name) anAttr;
 579   if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document
 580     if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
 581       aName = TCollection_AsciiString(anAttr->Get()).ToCString();
 582       if(!aName.empty()) {
 583         const TDF_Label& aLabel = theDoc->findNamingName(aName);
 584         /* MPV: the same shape with the same name may be duplicated on different labels (selection of the same construction object)
 585         if(!aLabel.IsEqual(aNS->Label())) {
 586         //aName.erase(); //something is wrong, to be checked!!!
 587         aName += "_SomethingWrong";
 588         return aName;
 589         }*/
 590
 591         static const std::string aPostFix("_");
 592         TNaming_Iterator anItL(aNS);
 593         for(int i = 1; anItL.More(); anItL.Next(), i++) {
 594           if(anItL.NewShape() == theShape) {
 595             aName += aPostFix;
 596             aName += TCollection_AsciiString (i).ToCString();
 597             break;
 598           }
 599         }
 600         /* MPV: the code below does not work because of TNaming_Tool.cxx line 145: aNS->Get() uses maps
 601         const TopoDS_Shape& aShape = aNS->Get();
 602         if(aShape.ShapeType() == TopAbs_COMPOUND) {
 603         std::string aPostFix("_");
 604         TopoDS_Iterator it(aShape);
 605         for (int i = 1;it.More();it.Next(), i++) {
 606         if(it.Value() == theShape) {
 607         aPostFix += TCollection_AsciiString (i).ToCString();
 608         aName    += aPostFix;
 609         break;
 610         }
 611         else continue;
 612         }
 613         }
 614         */
 615       }
 616     }
 617   }
 618   return aName;
 619 }
 620
 621 bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
 622 {
 623   // a trivial case: F1 & F2,  aNumber = 1, i.e. intersection gives 1 edge.
 624   TopoDS_Compound aCmp;
 625   BRep_Builder BB;
 626   BB.MakeCompound(aCmp);
 627   TopTools_ListIteratorOfListOfShape it(theAncestors);
 628   for(;it.More();it.Next()) {
 629     BB.Add(aCmp, it.Value());
 630     theSMap.Add(it.Value());
 631   }
 632   int aNumber(0);
 633   TopTools_IndexedDataMapOfShapeListOfShape aMap2;
 634   TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
 635   for (int i = 1; i <= aMap2.Extent(); i++) {
 636     const TopoDS_Shape& aKey = aMap2.FindKey(i);
 637     const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
 638     if(anAncestors.Extent() > 1) aNumber++;
 639   }
 640   if(aNumber > 1) return false;
 641   return true;
 642 }
 643 std::string Model_AttributeSelection::namingName()
 644 {
 645   std::string aName("");
 646   if(!this->isInitialized()) return aName;
 647   Handle(TDataStd_Name) anAtt;
 648   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 649     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 650     return aName;
 651   }
 652
 653   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 654   ResultPtr aCont = context();
 655   aName = "Undefined name";
 656   if(!aCont.get() || aCont->shape()->isNull())
 657     return aName;
 658   if (!aSubSh.get() || aSubSh->isNull()) { // no subshape, so just the whole feature name
 659     return aCont->data()->name();
 660   }
 661   TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
 662   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
 663 #ifdef DEB_NAMING
 664   if(aSubShape.ShapeType() == TopAbs_COMPOUND) {
 665   BRepTools::Write(aSubShape, "Selection.brep");
 666   BRepTools::Write(aContext, "Context.brep");
 667   }
 668 #endif
 669   std::shared_ptr<Model_Document> aDoc =
 670     std::dynamic_pointer_cast<Model_Document>(aCont->document());
 671
 672   // check if the subShape is already in DF
 673   aName = GetShapeName(aDoc, aSubShape, selectionLabel());
 674   if(aName.empty() ) { // not in the document!
 675     TopAbs_ShapeEnum aType = aSubShape.ShapeType();
 676     switch (aType) {
 677     case TopAbs_FACE:
 678       // the Face should be in DF. If it is not the case, it is an error ==> to be debugged
 679                 break;
 680           case TopAbs_EDGE:
 681                   {
 682                   // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
 683                   // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
 684                   if (BRep_Tool::Degenerated(TopoDS::Edge(aSubShape))) {
 685                           aName = "Degenerated_Edge";
 686                           break;
 687                   }
 688                   TopTools_IndexedDataMapOfShapeListOfShape aMap;
 689                   TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
 690                   TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
 691                   bool isTrivialCase(true);
 692 /*                for (int i = 1; i <= aMap.Extent(); i++) {
 693                         const TopoDS_Shape& aKey = aMap.FindKey(i);
 694                         //if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
 695                         if (aKey.IsSame(aSubShape)) continue;
 696             const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
 697                         // check that it is not a trivial case (F1 & F2: aNumber = 1)
 698                         isTrivialCase = isTrivial(anAncestors, aSMap);
 699                         break;
 700                   }*/
 701                   if(aMap.Contains(aSubShape)) {
 702                         const TopTools_ListOfShape& anAncestors = aMap.FindFromKey(aSubShape);
 703                         // check that it is not a trivial case (F1 & F2: aNumber = 1)
 704                         isTrivialCase = isTrivial(anAncestors, aSMap);
 705                   } else
 706                           break;
 707                   TopTools_ListOfShape aListOfNbs;
 708                   if(!isTrivialCase) { // find Neighbors
 709                         TNaming_Localizer aLocalizer;
 710                         TopTools_MapOfShape aMap3;
 711                         aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
 712                         //int n = aMap3.Extent();
 713                         TopTools_MapIteratorOfMapOfShape it(aMap3);
 714                         for(;it.More();it.Next()) {
 715                           const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
 716                           //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
 717                           const TopTools_ListOfShape& aList  = aMap.FindFromKey(aNbShape);
 718                           TopTools_ListIteratorOfListOfShape it2(aList);
 719                           for(;it2.More();it2.Next()) {
 720                                 if(aSMap.Contains(it2.Value())) continue; // skip this Face
 721                                 aListOfNbs.Append(it2.Value());
 722                           }
 723                         }
 724                   }  // else a trivial case
 725
 726                   // build name of the sub-shape Edge
 727                   for(int i=1; i <= aSMap.Extent(); i++) {
 728                         const TopoDS_Shape& aFace = aSMap.FindKey(i);
 729                         std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 730                         if(i == 1)
 731                           aName = aFaceName;
 732                         else
 733                           aName += "|" + aFaceName;
 734                   }
 735                   TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
 736                   for (;itl.More();itl.Next()) {
 737                         std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
 738                         aName += "|" + aFaceName;
 739                   }
 740                   }
 741                   break;
 742
 743     case TopAbs_VERTEX:
 744       // name structure (Monifold Topology):
 745       // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
 746       // 2) F1 | F2 | F3 [|F4 [|Fn]] - redundant definition, but it should be kept as is to obtain safe recomputation
 747       // 2) F1 | F2      - intersection of 2 faces definses a vertex - applicable for case
 748       //                   when 1 faces is cylindrical, conical, spherical or revolution and etc.
 749       // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
 750       //                   or compound of 2 open faces.
 751       // 4) E1 | E2      - intesection of 2 edges defines a vertex - when we have a case of
 752       //                   two independent edges (wire or compound)
 753       // implemented 2 first cases
 754       {
 755         TopTools_IndexedDataMapOfShapeListOfShape aMap;
 756         TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
 757         const TopTools_ListOfShape& aList2  = aMap.FindFromKey(aSubShape);
 758         TopTools_ListOfShape aList;
 759         TopTools_MapOfShape aFMap;
 760 #ifdef FIX_BUG1
 761         //int n = aList2.Extent(); //bug! duplication
 762         // fix is below
 763         TopTools_ListIteratorOfListOfShape itl2(aList2);
 764         for (int i = 1;itl2.More();itl2.Next(),i++) {
 765           if(aFMap.Add(itl2.Value()))
 766             aList.Append(itl2.Value());
 767         }
 768         //n = aList.Extent();
 769 #endif
 770         int n = aList.Extent();
 771         if(n < 3) { // open topology case or Compound case => via edges
 772           TopTools_IndexedDataMapOfShapeListOfShape aMap;
 773           TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_EDGE, aMap);
 774           const TopTools_ListOfShape& aList22  = aMap.FindFromKey(aSubShape);
 775           if(aList22.Extent() >= 2)  { // regular solution
 776 #ifdef FIX_BUG1
 777
 778             // bug! duplication; fix is below
 779             aFMap.Clear();
 780             TopTools_ListOfShape aListE;
 781             TopTools_ListIteratorOfListOfShape itl2(aList22);
 782             for (int i = 1;itl2.More();itl2.Next(),i++) {
 783               if(aFMap.Add(itl2.Value()))
 784                 aListE.Append(itl2.Value());
 785             }
 786             n = aListE.Extent();
 787 #endif
 788             TopTools_ListIteratorOfListOfShape itl(aListE);
 789             for (int i = 1;itl.More();itl.Next(),i++) {
 790               const TopoDS_Shape& anEdge = itl.Value();
 791               std::string anEdgeName = GetShapeName(aDoc, anEdge, selectionLabel());
 792               if(i == 1)
 793                 aName = anEdgeName;
 794               else
 795                 aName += "|" + anEdgeName;
 796             }
 797           }//reg
 798           else { // dangle vertex: if(aList22.Extent() == 1)
 799             //it should be already in DF
 800           }
 801         }
 802         else {
 803           TopTools_ListIteratorOfListOfShape itl(aList);
 804           for (int i = 1;itl.More();itl.Next(),i++) {
 805             const TopoDS_Shape& aFace = itl.Value();
 806             std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 807             if(i == 1)
 808               aName = aFaceName;
 809             else
 810               aName += "|" + aFaceName;
 811           }
 812         }
 813       }
 814       break;
 815     }
 816     // register name
 817     // aDoc->addNamingName(selectionLabel(), aName);
 818     // the selected sub-shape will not be shared and as result it will not require registration
 819   }
 820   return aName;
 821 }
 822
 823 TopAbs_ShapeEnum translateType (const std::string& theType)
 824 {
 825   // map from the textual shape types to OCCT enumeration
 826   static std::map<std::string, TopAbs_ShapeEnum> MyShapeTypes;
 827   if (MyShapeTypes.size() == 0) {
 828     MyShapeTypes["face"] = TopAbs_FACE;
 829     MyShapeTypes["faces"] = TopAbs_FACE;
 830     MyShapeTypes["vertex"] = TopAbs_VERTEX;
 831     MyShapeTypes["vertices"] = TopAbs_VERTEX;
 832     MyShapeTypes["wire"] = TopAbs_WIRE;
 833     MyShapeTypes["edge"] = TopAbs_EDGE;
 834     MyShapeTypes["edges"] = TopAbs_EDGE;
 835     MyShapeTypes["shell"] = TopAbs_SHELL;
 836     MyShapeTypes["solid"] = TopAbs_SOLID;
 837     MyShapeTypes["solids"] = TopAbs_SOLID;
 838     MyShapeTypes["FACE"] = TopAbs_FACE;
 839     MyShapeTypes["FACES"] = TopAbs_FACE;
 840     MyShapeTypes["VERTEX"] = TopAbs_VERTEX;
 841     MyShapeTypes["VERTICES"] = TopAbs_VERTEX;
 842     MyShapeTypes["WIRE"] = TopAbs_WIRE;
 843     MyShapeTypes["EDGE"] = TopAbs_EDGE;
 844     MyShapeTypes["EDGES"] = TopAbs_EDGE;
 845     MyShapeTypes["SHELL"] = TopAbs_SHELL;
 846     MyShapeTypes["SOLID"] = TopAbs_SOLID;
 847     MyShapeTypes["SOLIDS"] = TopAbs_SOLID;
 848   }
 849   if (MyShapeTypes.find(theType) != MyShapeTypes.end())
 850     return MyShapeTypes[theType];
 851   Events_Error::send("Shape type defined in XML is not implemented!");
 852   return TopAbs_SHAPE;
 853 }
 854
 855 const TopoDS_Shape getShapeFromNS(
 856   const std::string& theSubShapeName, Handle(TNaming_NamedShape) theNS)
 857 {
 858   TopoDS_Shape aSelection;
 859   std::string::size_type n = theSubShapeName.rfind('/');
 860   if (n == std::string::npos) n = 0;
 861   std::string aSubString = theSubShapeName.substr(n + 1);
 862   n = aSubString.rfind('_');
 863   if (n == std::string::npos) return aSelection;
 864   aSubString = aSubString.substr(n+1);
 865   int indx = atoi(aSubString.c_str());
 866
 867   TNaming_Iterator anItL(theNS);
 868   for(int i = 1; anItL.More(); anItL.Next(), i++) {
 869     if (i == indx) {
 870       return anItL.NewShape();
 871     }
 872   }
 873   return aSelection;
 874 }
 875
 876 const TopoDS_Shape findFaceByName(
 877   const std::string& theSubShapeName, std::shared_ptr<Model_Document> theDoc)
 878 {
 879   TopoDS_Shape aFace;
 880   std::string::size_type n, nb = theSubShapeName.rfind('/');
 881   if (nb == std::string::npos) nb = 0;
 882   std::string aSubString = theSubShapeName.substr(nb + 1);
 883   n = aSubString.rfind('_');
 884   if (n != std::string::npos) {
 885     std::string aSubStr2 = aSubString.substr(0, n);
 886     aSubString  = theSubShapeName.substr(0, nb + 1);
 887     aSubString = aSubString + aSubStr2;
 888   } else
 889     aSubString = theSubShapeName;
 890
 891   const TDF_Label& aLabel = theDoc->findNamingName(aSubString);
 892   if(aLabel.IsNull()) return aFace;
 893   Handle(TNaming_NamedShape) aNS;
 894   if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 895     aFace = getShapeFromNS(theSubShapeName, aNS);
 896   }
 897   return aFace;
 898 }
 899
 900 int ParseName(const std::string& theSubShapeName,   std::list<std::string>& theList)
 901 {
 902   std::string aName = theSubShapeName;
 903   std::string aLastName;
 904   int n1(0), n2(0); // n1 - start position, n2 - position of the delimiter
 905   while ((n2 = aName.find('|', n1)) != std::string::npos) {
 906     const std::string aName1 = aName.substr(n1, n2 - n1); //name of face
 907     theList.push_back(aName1);
 908     n1 = n2 + 1;
 909     aLastName = aName.substr(n1);
 910   }
 911   if(!aLastName.empty())
 912     theList.push_back(aLastName);
 913   return theList.size();
 914 }
 915
 916 const TopoDS_Shape findCommonShape(
 917   const TopAbs_ShapeEnum theType, const TopTools_ListOfShape& theList)
 918 {
 919   TopoDS_Shape aShape;
 920   std::vector<TopTools_MapOfShape> aVec;
 921   TopTools_MapOfShape aMap1, aMap2, aMap3, aMap4;
 922   if(theList.Extent() > 1) {
 923     aVec.push_back(aMap1);
 924     aVec.push_back(aMap2);
 925   }
 926   if(theList.Extent() > 2)
 927     aVec.push_back(aMap3);
 928   if(theList.Extent() == 4)
 929     aVec.push_back(aMap4);
 930
 931   //fill maps
 932   TopTools_ListIteratorOfListOfShape it(theList);
 933   for(int i = 0;it.More();it.Next(),i++) {
 934     const TopoDS_Shape& aFace = it.Value();
 935     if(i < 2) {
 936       TopExp_Explorer anExp (aFace, theType);
 937       for(;anExp.More();anExp.Next()) {
 938         const TopoDS_Shape& anEdge = anExp.Current();
 939         if (!anEdge.IsNull())
 940           aVec[i].Add(anExp.Current());
 941       }
 942     } else {
 943       TopExp_Explorer anExp (aFace, TopAbs_VERTEX);
 944       for(;anExp.More();anExp.Next()) {
 945         const TopoDS_Shape& aVertex = anExp.Current();
 946         if (!aVertex.IsNull())
 947           aVec[i].Add(anExp.Current());
 948       }
 949     }
 950   }
 951   //trivial case: 2 faces
 952   TopTools_ListOfShape aList;
 953   TopTools_MapIteratorOfMapOfShape it2(aVec[0]);
 954   for(;it2.More();it2.Next()) {
 955     if(aVec[1].Contains(it2.Key())) {
 956       aShape = it2.Key();
 957       if(theList.Extent() == 2)
 958         break;
 959       else
 960         aList.Append(it2.Key());
 961     }
 962   }
 963   if(aList.Extent() && aVec.size() > 3) {// list of common edges ==> search ny neighbors
 964     if(aVec[2].Extent() && aVec[3].Extent()) {
 965       TopTools_ListIteratorOfListOfShape it(aList);
 966       for(;it.More();it.Next()) {
 967         const TopoDS_Shape& aCand = it.Value();
 968         // not yet completelly implemented, to be rechecked
 969         TopoDS_Vertex aV1, aV2;
 970         TopExp::Vertices(TopoDS::Edge(aCand), aV1, aV2);
 971         int aNum(0);
 972         if(aVec[2].Contains(aV1)) aNum++;
 973         else if(aVec[2].Contains(aV2)) aNum++;
 974         if(aVec[3].Contains(aV1)) aNum++;
 975         else if(aVec[3].Contains(aV2)) aNum++;
 976         if(aNum == 2) {
 977           aShape = aCand;
 978           break;
 979         }
 980       }
 981     }
 982   }
 983
 984   if(aList.Extent() && aVec.size() == 3) {
 985
 986     TopTools_ListIteratorOfListOfShape it(aList);
 987     for(;it.More();it.Next()) {
 988       const TopoDS_Shape& aCand = it.Value();
 989       if(aVec[2].Contains(aCand)) {
 990         aShape = aCand;
 991         break;
 992       }
 993     }
 994   }
 995   return aShape;
 996 }
 997
 998 std::string getContextName(const std::string& theSubShapeName)
 999 {
1000   std::string aName;
1001   std::string::size_type n = theSubShapeName.find('/');
1002   if (n == std::string::npos) return aName;
1003   aName = theSubShapeName.substr(0, n);
1004   return aName;
1005 }
1006 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
1007 void Model_AttributeSelection::selectSubShape(
1008   const std::string& theType, const std::string& theSubShapeName)
1009 {
1010   if(theSubShapeName.empty() || theType.empty()) return;
1011   TopAbs_ShapeEnum aType = translateType(theType);
1012   std::shared_ptr<Model_Document> aDoc =
1013     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1014   std::string aContName = getContextName(theSubShapeName);
1015   if(aContName.empty()) return;
1016   //ResultPtr aCont = context();
1017   ResultPtr aCont = aDoc->findByName(aContName);
1018   if(!aCont.get() || aCont->shape()->isNull()) return;
1019   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
1020   TopAbs_ShapeEnum aContType = aContext.ShapeType();
1021   if(aType <= aContType) return; // not applicable
1022
1023
1024   TopoDS_Shape aSelection;
1025   switch (aType)
1026   {
1027   case TopAbs_COMPOUND:
1028     break;
1029   case TopAbs_COMPSOLID:
1030     break;
1031   case TopAbs_SOLID:
1032     break;
1033   case TopAbs_SHELL:
1034     break;
1035   case TopAbs_FACE:
1036     {
1037       const TopoDS_Shape aSelection = findFaceByName(theSubShapeName, aDoc);
1038       if(!aSelection.IsNull()) {// Select it
1039         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1040         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1041         setValue(aCont, aShapeToBeSelected);
1042       }
1043     }
1044     break;
1045   case TopAbs_WIRE:
1046     break;
1047   case TopAbs_EDGE:
1048     {
1049       TopoDS_Shape aSelection;// = findFaceByName(theSubShapeName, aDoc);
1050       const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1051       if(!aLabel.IsNull()) {
1052         Handle(TNaming_NamedShape) aNS;
1053         if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1054           aSelection = getShapeFromNS(theSubShapeName, aNS);
1055         }
1056       }
1057       if(aSelection.IsNull()) {
1058         std::list<std::string> aListofNames;
1059         int n = ParseName(theSubShapeName, aListofNames);
1060         if(n > 1 && n < 5) {
1061           TopTools_ListOfShape aList;
1062           std::list<std::string>::iterator it =aListofNames.begin();
1063           for(;it != aListofNames.end();it++){
1064             const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1065             aList.Append(aFace);
1066           }
1067           aSelection = findCommonShape(TopAbs_EDGE, aList);
1068         }
1069       }
1070       if(!aSelection.IsNull()) {// Select it
1071         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1072         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1073         setValue(aCont, aShapeToBeSelected);
1074       }
1075     }
1076     break;
1077   case TopAbs_VERTEX:
1078     {
1079       TopoDS_Shape aSelection;
1080       const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1081       if(!aLabel.IsNull()) {
1082         Handle(TNaming_NamedShape) aNS;
1083         if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1084           aSelection = getShapeFromNS(theSubShapeName, aNS);
1085         }
1086       }
1087       if(aSelection.IsNull()) {
1088         std::list<std::string> aListofNames;
1089         int n = ParseName(theSubShapeName, aListofNames);
1090         if(n > 1 && n < 4) { // 2 || 3
1091           TopTools_ListOfShape aList;
1092           std::list<std::string>::iterator it = aListofNames.begin();
1093           for(; it != aListofNames.end(); it++){
1094             const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1095             if(!aFace.IsNull())
1096               aList.Append(aFace);
1097           }
1098           aSelection = findCommonShape(TopAbs_VERTEX, aList);
1099         }
1100       }
1101       if(!aSelection.IsNull()) {// Select it
1102         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1103         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1104         setValue(aCont, aShapeToBeSelected);
1105       }
1106     }
1107     break;
1108   default: //TopAbs_SHAPE
1109     return;
1110   }
1111
1112 }
1113
1114 int Model_AttributeSelection::Id()
1115 {
1116   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1117   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
1118   const TopoDS_Shape& aMainShape = aContext->impl<TopoDS_Shape>();
1119   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1120   int anID = 0;
1121   if (aSelection && !aSelection->isNull() &&
1122     aContext   && !aContext->isNull())
1123   {
1124     TopTools_IndexedMapOfShape aSubShapesMap;
1125     TopExp::MapShapes(aMainShape, aSubShapesMap);
1126     anID = aSubShapesMap.FindIndex(aSubShape);
1127   }
1128   return anID;
1129 }