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 <ModelAPI_Feature.h>
  12 #include <ModelAPI_ResultBody.h>
  13 #include <ModelAPI_ResultConstruction.h>
  14 #include <ModelAPI_CompositeFeature.h>
  15 #include <GeomAPI_Shape.h>
  16 #include <GeomAPI_PlanarEdges.h>
  17 #include <GeomAlgoAPI_SketchBuilder.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 using namespace std;
  54 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
  55 /// (multiplied by the index of the edge)
  56 static const int kSTART_VERTEX_DELTA = 1000000;
  57 // identifier that there is simple reference: selection equals to context
  58 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  59
  60 // on this label is stored:
  61 // TNaming_NamedShape - selected shape
  62 // TNaming_Naming - topological selection information (for the body)
  63 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  64 // TDataStd_Integer - type of the selected shape (for construction)
  65 // TDF_Reference - from ReferenceAttribute, the context
  66 #define DDDD 1
  67 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  68   const std::shared_ptr<GeomAPI_Shape>& theSubShape)
  69 {
  70   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  71   bool isOldShape =
  72     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  73   if (isOldShape) return; // shape is the same, so context is also unchanged
  74   // update the referenced object if needed
  75   bool isOldContext = theContext == myRef.value();
  76
  77
  78   if (!isOldContext)
  79     myRef.setValue(theContext);
  80
  81   // do noth use naming if selected shape is result shape itself, but not sub-shape
  82   TDF_Label aSelLab = selectionLabel();
  83   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
  84   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
  85     // do not select the whole shape for body:it is already must be in the data framework
  86     if (theContext->shape().get() && theContext->shape()->isEqual(theSubShape)) {
  87       aSelLab.ForgetAllAttributes(true);
  88       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
  89     } else {
  90       selectBody(theContext, theSubShape);
  91     }
  92   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
  93     selectConstruction(theContext, theSubShape);
  94   }
  95   myIsInitialized = true;
  96
  97   std::string aSelName = namingName();
  98   if(!aSelName.empty())
  99           TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 100 #ifdef DDDD
 101   //####
 102   //selectSubShape("FACE",  "Extrusion_1/LateralFace_3");
 103   //selectSubShape("FACE",  "Extrusion_1/TopFace");
 104   //selectSubShape("EDGE", "Extrusion_1/TopFace|Extrusion_1/LateralFace_1");
 105   //selectSubShape("EDGE", "Sketch_1/Edge_6");
 106 #endif
 107   owner()->data()->sendAttributeUpdated(this);
 108 }
 109
 110 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 111 {
 112   std::shared_ptr<GeomAPI_Shape> aResult;
 113   if (myIsInitialized) {
 114     TDF_Label aSelLab = selectionLabel();
 115     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 116       ResultPtr aContext = context();
 117       if (!aContext.get())
 118         return aResult; // empty result
 119       return aContext->shape();
 120     }
 121
 122     Handle(TNaming_NamedShape) aSelection;
 123     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 124       TopoDS_Shape aSelShape = aSelection->Get();
 125       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 126       aResult->setImpl(new TopoDS_Shape(aSelShape));
 127     } else { // for simple construction element: just shape of this construction element
 128       ResultConstructionPtr aConstr =
 129         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 130       if (aConstr) {
 131         return aConstr->shape();
 132       }
 133     }
 134   }
 135   return aResult;
 136 }
 137
 138 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 139   : myRef(theLabel)
 140 {
 141   myIsInitialized = myRef.isInitialized();
 142 }
 143
 144 ResultPtr Model_AttributeSelection::context() {
 145   return std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 146 }
 147
 148
 149 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 150 {
 151   ModelAPI_AttributeSelection::setObject(theObject);
 152   myRef.setObject(theObject);
 153 }
 154
 155 TDF_LabelMap& Model_AttributeSelection::scope()
 156 {
 157   if (myScope.IsEmpty()) { // create a new scope if not yet done
 158     // gets all labels with named shapes that are bofore this feature label (before in history)
 159     TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 160       owner()->data())->label().Father();
 161     int aFeatureID = aFeatureLab.Tag();
 162     TDF_ChildIterator aFeaturesIter(aFeatureLab.Father());
 163     for(; aFeaturesIter.More(); aFeaturesIter.Next()) {
 164       if (aFeaturesIter.Value().Tag() >= aFeatureID) // the left labels are created later
 165         break;
 166       TDF_ChildIDIterator aNSIter(aFeaturesIter.Value(), TNaming_NamedShape::GetID(), 1);
 167       for(; aNSIter.More(); aNSIter.Next()) {
 168         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 169         if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 170           myScope.Add(aNS->Label());
 171         }
 172       }
 173     }
 174   }
 175   return myScope;
 176 }
 177
 178 bool Model_AttributeSelection::update()
 179 {
 180   ResultPtr aContext = context();
 181   if (!aContext.get()) return false;
 182   TDF_Label aSelLab = selectionLabel();
 183   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 184     return aContext->shape() && !aContext->shape()->isNull();
 185   }
 186
 187   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 188     // body: just a named shape, use selection mechanism from OCCT
 189     TNaming_Selector aSelector(aSelLab);
 190     bool aResult = aSelector.Solve(scope()) == Standard_True;
 191     owner()->data()->sendAttributeUpdated(this);
 192     return aResult;
 193   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 194     // construction: identification by the results indexes, recompute faces and
 195     // take the face that more close by the indexes
 196     std::shared_ptr<GeomAPI_PlanarEdges> aWirePtr =
 197       std::dynamic_pointer_cast<GeomAPI_PlanarEdges>(
 198       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext)->shape());
 199     if (aWirePtr && aWirePtr->hasPlane()) { // sketch sub-element
 200       TDF_Label aLab = myRef.myRef->Label();
 201       // getting a type of selected shape
 202       Handle(TDataStd_Integer) aTypeAttr;
 203       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 204         return false;
 205       }
 206       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 207       // selected indexes will be needed in each "if"
 208       Handle(TDataStd_IntPackedMap) aSubIds;
 209       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 210       bool aNoIndexes =
 211         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 212       // for now working only with composite features
 213       FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 214       CompositeFeaturePtr aComposite =
 215         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 216       if (!aComposite || aComposite->numberOfSubs() == 0) {
 217         return false;
 218       }
 219
 220       if (aShapeType == TopAbs_FACE) {
 221         // If this is a wire with plane defined thin it is a sketch-like object
 222         std::list<std::shared_ptr<GeomAPI_Shape> > aFaces;
 223         GeomAlgoAPI_SketchBuilder::createFaces(aWirePtr->origin(), aWirePtr->dirX(),
 224           aWirePtr->dirY(), aWirePtr->norm(), aWirePtr, aFaces);
 225         if (aFaces.empty()) // no faces, update can not work correctly
 226           return false;
 227         // if there is no edges indexes, any face can be used: take the first
 228         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 229         if (aNoIndexes) {
 230           aNewSelected = *(aFaces.begin());
 231         } else { // searching for most looks-like initial face by the indexes
 232           // prepare edges of the current resut for the fast searching
 233           TColStd_MapOfTransient allCurves;
 234           const int aSubNum = aComposite->numberOfSubs();
 235           for(int a = 0; a < aSubNum; a++) {
 236             if (aSubIds->Contains(aComposite->subFeatureId(a))) {
 237               FeaturePtr aSub = aComposite->subFeature(a);
 238               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 239               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 240               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 241                 ResultConstructionPtr aConstr =
 242                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 243                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 244                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 245                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 246                   if (!anEdge.IsNull()) {
 247                     Standard_Real aFirst, aLast;
 248                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 249                     allCurves.Add(aCurve);
 250                   }
 251                 }
 252               }
 253             }
 254           }
 255           // iterate new result faces and searching for these edges
 256           std::list<std::shared_ptr<GeomAPI_Shape> >::iterator aFacesIter = aFaces.begin();
 257           double aBestFound = 0; // best percentage of found edges
 258           for(; aFacesIter != aFaces.end(); aFacesIter++) {
 259             int aFound = 0, aNotFound = 0;
 260             TopExp_Explorer anEdgesExp((*aFacesIter)->impl<TopoDS_Shape>(), TopAbs_EDGE);
 261             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 262               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 263               if (!anEdge.IsNull()) {
 264                 Standard_Real aFirst, aLast;
 265                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 266                 if (allCurves.Contains(aCurve)) {
 267                   aFound++;
 268                 } else {
 269                   aNotFound++;
 270                 }
 271               }
 272             }
 273             if (aFound + aNotFound != 0) {
 274               double aPercentage = double(aFound) / double(aFound + aNotFound);
 275               if (aPercentage > aBestFound) {
 276                 aBestFound = aPercentage;
 277                 aNewSelected = *aFacesIter;
 278               }
 279             }
 280           }
 281         }
 282         if (aNewSelected) { // store this new selection
 283           selectConstruction(aContext, aNewSelected);
 284           owner()->data()->sendAttributeUpdated(this);
 285           return true;
 286         }
 287       } else if (aShapeType == TopAbs_EDGE) {
 288         // just reselect the edge by the id
 289         const int aSubNum = aComposite->numberOfSubs();
 290         for(int a = 0; a < aSubNum; a++) {
 291           // if aSubIds take any, the first appropriate
 292           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 293             // found the appropriate feature
 294             FeaturePtr aFeature = aComposite->subFeature(a);
 295             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 296               aFeature->results().cbegin();
 297             for(;aResIter != aFeature->results().cend(); aResIter++) {
 298               ResultConstructionPtr aRes =
 299                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 300               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 301                 selectConstruction(aContext, aRes->shape());
 302                 owner()->data()->sendAttributeUpdated(this);
 303                 return true;
 304               }
 305             }
 306           }
 307         }
 308       } else if (aShapeType == TopAbs_VERTEX) {
 309         // just reselect the vertex by the id of edge
 310         const int aSubNum = aComposite->numberOfSubs();
 311         for(int a = 0; a < aSubNum; a++) {
 312           // if aSubIds take any, the first appropriate
 313           int aFeatureID = aComposite->subFeatureId(a);
 314           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 315               aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 316               aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 317             // searching for deltas
 318             int aVertexNum = 0;
 319             if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 320             else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 321             // found the feature with appropriate edge
 322             FeaturePtr aFeature = aComposite->subFeature(a);
 323             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 324               aFeature->results().cbegin();
 325             for(;aResIter != aFeature->results().cend(); aResIter++) {
 326               ResultConstructionPtr aRes =
 327                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 328               if (aRes && aRes->shape()) {
 329                 if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 330                   selectConstruction(aContext, aRes->shape());
 331                   owner()->data()->sendAttributeUpdated(this);
 332                   return true;
 333                 } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 334                   const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 335                   int aVIndex = 1;
 336                   for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 337                     if (aVIndex == aVertexNum) { // found!
 338                       std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 339                       aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 340                       selectConstruction(aContext, aVertex);
 341                       owner()->data()->sendAttributeUpdated(this);
 342                       return true;
 343                     }
 344                     aVIndex++;
 345                   }
 346                 }
 347               }
 348             }
 349           }
 350         }
 351       }
 352     } else { // simple construction element: the selected is that needed
 353       selectConstruction(aContext, aContext->shape());
 354       owner()->data()->sendAttributeUpdated(this);
 355       return true;
 356     }
 357   }
 358   return false; // unknown case
 359 }
 360
 361
 362 void Model_AttributeSelection::selectBody(
 363     const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 364 {
 365   // perform the selection
 366   TNaming_Selector aSel(selectionLabel());
 367   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : TopoDS_Shape();
 368   TopoDS_Shape aContext;
 369
 370   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 371   if (aBody)
 372     aContext = aBody->shape()->impl<TopoDS_Shape>();
 373   else {
 374     ResultConstructionPtr aConstr = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myRef.value());
 375     if (aConstr) {
 376       aContext = aConstr->shape()->impl<TopoDS_Shape>();
 377     } else {
 378       Events_Error::send("A result with shape is expected");
 379       return;
 380     }
 381   }
 382   aSel.Select(aNewShape, aContext);
 383 }
 384
 385 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 386 /// if theID is zero,
 387 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 388   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 389   std::string theAdditionalName,
 390   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)())
 391 {
 392   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 393   TNaming_Builder aBuilder(aLab);
 394   aBuilder.Generated(theShape);
 395   std::stringstream aName;
 396   aName<<theContextFeature->name()<<"/";
 397   if (!theAdditionalName.empty())
 398     aName<<theAdditionalName<<"/";
 399   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 400   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 401   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 402
 403   if (theRefs.IsNull()) {
 404     aName<<theID;
 405   } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
 406     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 407     for(; aRef.More(); aRef.Next()) {
 408       aName<<"-"<<aRef.Key();
 409     }
 410   }
 411
 412   theDoc->addNamingName(aLab, aName.str());
 413   TDataStd_Name::Set(aLab, aName.str().c_str());
 414 }
 415
 416 void Model_AttributeSelection::selectConstruction(
 417     const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 418 {
 419   std::shared_ptr<Model_Document> aMyDoc =
 420     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 421   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 422   CompositeFeaturePtr aComposite =
 423     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 424   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 425   if (!aComposite || aComposite->numberOfSubs() == 0) {
 426     // saving of context is enough: result construction contains exactly the needed shape
 427     TNaming_Builder aBuilder(selectionLabel());
 428     aBuilder.Generated(aSubShape);
 429     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 430     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 431     return;
 432   }
 433   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 434   TDF_Label aLab = myRef.myRef->Label();
 435   // identify the reuslts of sub-object of the composite by edges
 436   // save type of the selected shape in integer attribute
 437   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 438   TDataStd_Integer::Set(aLab, (int)aShapeType);
 439   gp_Pnt aVertexPos;
 440   TColStd_MapOfTransient allCurves;
 441   if (aShapeType == TopAbs_VERTEX) { // compare positions
 442     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 443   } else {
 444     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 445       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 446       Standard_Real aFirst, aLast;
 447       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 448       allCurves.Add(aCurve);
 449     }
 450   }
 451   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 452   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 453   aRefs->Clear();
 454   const int aSubNum = aComposite->numberOfSubs();
 455   for(int a = 0; a < aSubNum; a++) {
 456     FeaturePtr aSub = aComposite->subFeature(a);
 457     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 458     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 459     // there may be many shapes (circle and center): register if at least one is in selection
 460     for(; aRes != aResults.cend(); aRes++) {
 461       ResultConstructionPtr aConstr =
 462         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 463       if (!aConstr->shape()) {
 464         continue;
 465       }
 466       if (aShapeType == TopAbs_VERTEX) {
 467         if (aConstr->shape()->isVertex()) { // compare vertices positions
 468           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 469           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 470           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 471             aRefs->Add(aComposite->subFeatureId(a));
 472           }
 473         } else { // get first or last vertex of the edge: last is stored with negative sign
 474           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 475           int aDelta = kSTART_VERTEX_DELTA;
 476           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 477             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 478             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 479               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 480               break;
 481             }
 482             aDelta += kSTART_VERTEX_DELTA;
 483           }
 484         }
 485       } else {
 486         if (aConstr->shape()->isEdge()) {
 487           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 488           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 489           if (!anEdge.IsNull()) {
 490             Standard_Real aFirst, aLast;
 491             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 492             if (allCurves.Contains(aCurve)) {
 493               int anID = aComposite->subFeatureId(a);
 494               aRefs->Add(anID);
 495               if (aShapeType != TopAbs_EDGE) { // edge do not need the sub-edges on sub-labels
 496                 // add edges to sub-label to support naming for edges selection
 497                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 498                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 499                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 500                   Standard_Real aFirst, aLast;
 501                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 502                   if (aFaceCurve == aCurve) {
 503                     registerSubShape(selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "");
 504                   }
 505                 }
 506               } else { // put vertices of the selected edge to sub-labels
 507                 // add edges to sub-label to support naming for edges selection
 508                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 509                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 510                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 511                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 512
 513                   std::stringstream anAdditionalName;
 514                   registerSubShape(selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc,
 515                     "");
 516                 }
 517               }
 518             }
 519           }
 520         }
 521       }
 522     }
 523   }
 524   // store the selected as primitive
 525   TNaming_Builder aBuilder(selectionLabel());
 526   aBuilder.Generated(aSubShape);
 527   registerSubShape(selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", aRefs);
 528 }
 529
 530 TDF_Label Model_AttributeSelection::selectionLabel()
 531 {
 532   return myRef.myRef->Label().FindChild(1);
 533 }
 534
 535 #define FIX_BUG1 1
 536 std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape,
 537                                              const TDF_Label& theLabel)
 538 {
 539   std::string aName;
 540   // check if the subShape is already in DF
 541   Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
 542   Handle(TDataStd_Name) anAttr;
 543   if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document
 544         if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
 545           aName = TCollection_AsciiString(anAttr->Get()).ToCString();
 546           if(!aName.empty()) {
 547             const TDF_Label& aLabel = theDoc->findNamingName(aName);
 548     /* MPV: the same shape with the same name may be duplicated on different labels (selection of the same construction object)
 549                 if(!aLabel.IsEqual(aNS->Label())) {
 550                   //aName.erase(); //something is wrong, to be checked!!!
 551                   aName += "_SomethingWrong";
 552                   return aName;
 553                 }*/
 554                 const TopoDS_Shape& aShape = aNS->Get();
 555                 if(aShape.ShapeType() == TopAbs_COMPOUND) {
 556                   std::string aPostFix("_");
 557                   TopoDS_Iterator it(aShape);
 558                   for (int i = 1;it.More();it.Next(), i++) {
 559                     if(it.Value() == theShape) {
 560                           aPostFix += TCollection_AsciiString (i).ToCString();
 561                           aName    += aPostFix;
 562                           break;
 563                         }
 564                         else continue;
 565                   }
 566                 }
 567           }
 568         }
 569   }
 570   return aName;
 571 }
 572
 573 bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
 574 {
 575 // a trivial case: F1 & F2,  aNumber = 1, i.e. intersection gives 1 edge.
 576   TopoDS_Compound aCmp;
 577   BRep_Builder BB;
 578   BB.MakeCompound(aCmp);
 579   TopTools_ListIteratorOfListOfShape it(theAncestors);
 580   for(;it.More();it.Next()) {
 581         BB.Add(aCmp, it.Value());
 582         theSMap.Add(it.Value());
 583   }
 584   int aNumber(0);
 585   TopTools_IndexedDataMapOfShapeListOfShape aMap2;
 586   TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
 587   for (int i = 1; i <= aMap2.Extent(); i++) {
 588         const TopoDS_Shape& aKey = aMap2.FindKey(i);
 589         const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
 590         if(anAncestors.Extent() > 1) aNumber++;
 591   }
 592   if(aNumber > 1) return false;
 593   return true;
 594 }
 595 std::string Model_AttributeSelection::namingName()
 596 {
 597   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 598   ResultPtr aCont = context();
 599   std::string aName;
 600   if(!aSubSh.get() || aSubSh->isNull() || !aCont.get() || aCont->shape()->isNull())
 601     return aName;
 602   TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
 603   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
 604   std::shared_ptr<Model_Document> aDoc =
 605     std::dynamic_pointer_cast<Model_Document>(aCont->document());
 606
 607   // check if the subShape is already in DF
 608   aName = GetShapeName(aDoc, aSubShape, selectionLabel());
 609   if(aName.empty() ) { // not in the document!
 610     TopAbs_ShapeEnum aType = aSubShape.ShapeType();
 611         switch (aType) {
 612           case TopAbs_FACE:
 613       // the Face should be in DF. If it is not a case, it is an error ==> to be dbugged
 614                 break;
 615           case TopAbs_EDGE:
 616                   {
 617                   // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
 618                   // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
 619                   TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
 620                   TopTools_IndexedDataMapOfShapeListOfShape aMap;
 621                   TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
 622                   bool isTrivialCase(true);
 623                   for (int i = 1; i <= aMap.Extent(); i++) {
 624                         const TopoDS_Shape& aKey = aMap.FindKey(i);
 625                         if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
 626
 627             const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
 628                         // check that it is not a trivial case (F1 & F2: aNumber = 1)
 629                         isTrivialCase = isTrivial(anAncestors, aSMap);
 630                         break;
 631                   }
 632
 633                   TopTools_ListOfShape aListOfNbs;
 634                   if(!isTrivialCase) { // find Neighbors
 635                         TNaming_Localizer aLocalizer;
 636                         TopTools_MapOfShape aMap3;
 637                         aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
 638                         //int n = aMap3.Extent();
 639                         TopTools_MapIteratorOfMapOfShape it(aMap3);
 640                         for(;it.More();it.Next()) {
 641                           const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
 642                           //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
 643                           const TopTools_ListOfShape& aList  = aMap.FindFromKey(aNbShape);
 644                           TopTools_ListIteratorOfListOfShape it2(aList);
 645                           for(;it2.More();it2.Next()) {
 646                                 if(aSMap.Contains(it2.Value())) continue; // skip this Face
 647                                 aListOfNbs.Append(it2.Value());
 648                           }
 649                         }
 650                   }  // else a trivial case
 651
 652                   // build name of the sub-shape Edge
 653                   for(int i=1; i <= aSMap.Extent(); i++) {
 654                         const TopoDS_Shape& aFace = aSMap.FindKey(i);
 655                         std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 656                         if(i == 1)
 657                           aName = aFaceName;
 658                         else
 659                           aName += "|" + aFaceName;
 660                   }
 661                   TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
 662                   for (;itl.More();itl.Next()) {
 663                         std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
 664                         aName += "|" + aFaceName;
 665                   }
 666                   }
 667                   break;
 668
 669           case TopAbs_VERTEX:
 670                   // name structure (Monifold Topology):
 671                   // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
 672                   // 2) F1 | F2      - intersection of 2 faces definses a vertex - applicable for case
 673                   //                   when 1 faces is cylindrical, conical, spherical or revolution and etc.
 674                   // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
 675                   //                   or compound of 2 open faces.
 676                   // 4) E1 | E2      - intesection of 2 edges defines a vertex - when we have a case of
 677                   //                   two independent edges (wire or compound)
 678                   // implemented 2 first cases
 679                   {
 680                         TopTools_IndexedDataMapOfShapeListOfShape aMap;
 681                     TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
 682                         const TopTools_ListOfShape& aList2  = aMap.FindFromKey(aSubShape);
 683                         TopTools_ListOfShape aList;
 684                         TopTools_MapOfShape aFMap;
 685 #ifdef FIX_BUG1
 686                         //int n = aList2.Extent(); //bug!
 687                         // fix is below
 688                         TopTools_ListIteratorOfListOfShape itl2(aList2);
 689                     for (int i = 1;itl2.More();itl2.Next(),i++) {
 690                           if(aFMap.Add(itl2.Value()))
 691                                 aList.Append(itl2.Value());
 692                         }
 693                         //n = aList.Extent();
 694 #endif
 695                         TopTools_ListIteratorOfListOfShape itl(aList);
 696                     for (int i = 1;itl.More();itl.Next(),i++) {
 697                           const TopoDS_Shape& aFace = itl.Value();
 698                           std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 699                           if(i == 1)
 700                             aName = aFaceName;
 701                           else
 702                             aName += "|" + aFaceName;
 703                         }
 704                   }
 705                   break;
 706         }
 707     // register name
 708     // aDoc->addNamingName(selectionLabel(), aName);
 709         // the selected sub-shape will not be shared and as result it will not require registration
 710   }
 711   return aName;
 712 }
 713
 714 TopAbs_ShapeEnum translateType (const std::string& theType)
 715 {
 716   TCollection_AsciiString aStr(theType.c_str());
 717   aStr.UpperCase();
 718   if(aStr.IsEqual("COMP"))
 719         return TopAbs_COMPOUND;
 720   else if(aStr.IsEqual("COMS"))
 721         return TopAbs_COMPSOLID;
 722   else if(aStr.IsEqual("SOLD"))
 723         return TopAbs_SOLID;
 724   else if(aStr.IsEqual("SHEL"))
 725         return TopAbs_SHELL;
 726   else if(aStr.IsEqual("FACE"))
 727         return TopAbs_FACE;
 728   else if(aStr.IsEqual("WIRE"))
 729         return TopAbs_WIRE;
 730   else if(aStr.IsEqual("EDGE"))
 731         return TopAbs_EDGE;
 732   else if(aStr.IsEqual("VERT"))
 733         return TopAbs_VERTEX;
 734
 735   return TopAbs_SHAPE;
 736 }
 737
 738 const TopoDS_Shape getShapeFromCompound(const std::string& theSubShapeName, const TopoDS_Shape& theCompound)
 739 {
 740   TopoDS_Shape aSelection;
 741   std::string::size_type n = theSubShapeName.rfind('/');
 742   if (n == std::string::npos) n = 0;
 743         std::string aSubString = theSubShapeName.substr(n + 1);
 744         n = aSubString.rfind('_');
 745         if (n == std::string::npos) return aSelection;
 746         aSubString = aSubString.substr(n+1);
 747         int indx = atoi(aSubString.c_str());
 748         TopoDS_Iterator it(theCompound);
 749         for (int i = 1;it.More();it.Next(), i++) {
 750           if(i == indx) {
 751             aSelection = it.Value();
 752             break;
 753           }
 754           else continue;
 755         }
 756   return aSelection;
 757 }
 758
 759 const TopoDS_Shape findFaceByName(const std::string& theSubShapeName, std::shared_ptr<Model_Document> theDoc)
 760 {
 761   TopoDS_Shape aFace;
 762   std::string::size_type n, nb = theSubShapeName.rfind('/');
 763   if (nb == std::string::npos) nb = 0;
 764   std::string aSubString = theSubShapeName.substr(nb + 1);
 765   n = aSubString.rfind('_');
 766   if (n != std::string::npos) {
 767           std::string aSubStr2 = aSubString.substr(0, n);
 768         aSubString  = theSubShapeName.substr(0, nb + 1);
 769         aSubString = aSubString + aSubStr2;
 770   } else
 771         aSubString = theSubShapeName;
 772
 773   const TDF_Label& aLabel = theDoc->findNamingName(aSubString);
 774   if(aLabel.IsNull()) return aFace;
 775   Handle(TNaming_NamedShape) aNS;
 776   if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 777         const TopoDS_Shape& aShape = aNS->Get();
 778         if(!aShape.IsNull()) {
 779           if(aShape.ShapeType() == TopAbs_COMPOUND)
 780             aFace = getShapeFromCompound(theSubShapeName, aShape);
 781           else
 782                 aFace = aShape;
 783         }
 784   }
 785   return aFace;
 786 }
 787
 788 int ParseEdgeName(const std::string& theSubShapeName,   std::list<std::string>& theList)
 789 {
 790   std::string aName = theSubShapeName;
 791   std::string aLastName;
 792   int n1(0), n2(0); // n1 - start position, n2 - position of the delimiter
 793   while ((n2 = aName.find('|', n1)) != std::string::npos) {
 794     const std::string aName1 = aName.substr(n1, n2); //name of face
 795         theList.push_back(aName1);
 796         n1 = n2 + 1;
 797         aLastName = aName.substr(n1);
 798   }
 799   if(!aLastName.empty())
 800         theList.push_back(aLastName);
 801   return theList.size();
 802 }
 803
 804 const TopoDS_Shape findCommonShape(const TopAbs_ShapeEnum theType, const TopTools_ListOfShape& theList)
 805 {
 806   TopoDS_Shape aShape;
 807   std::vector<TopTools_MapOfShape> aVec;
 808   TopTools_MapOfShape aMap1, aMap2, aMap3, aMap4;
 809   if(theList.Extent() > 1) {
 810         aVec.push_back(aMap1);
 811         aVec.push_back(aMap2);
 812   }
 813   if(theList.Extent() > 2)
 814     aVec.push_back(aMap3);
 815   if(theList.Extent() == 4)
 816     aVec.push_back(aMap4);
 817
 818   //fill maps
 819   TopTools_ListIteratorOfListOfShape it(theList);
 820   for(int i = 0;it.More();it.Next(),i++) {
 821         const TopoDS_Shape& aFace = it.Value();
 822         TopExp_Explorer anExp (aFace, theType);
 823         for(;anExp.More();anExp.Next()) {
 824           const TopoDS_Shape& anEdge = anExp.Current();
 825           if (!anEdge.IsNull())
 826                 aVec[i].Add(anExp.Current());
 827         }
 828   }
 829   //trivial case: 2 faces
 830   TopTools_MapIteratorOfMapOfShape it2(aVec[0]);
 831   for(;it2.More();it2.Next()) {
 832           if(aVec[1].Contains(it2.Key())) {
 833             aShape = it2.Key();
 834                 break;
 835           }
 836   }
 837   return aShape;
 838 }
 839 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 840 void Model_AttributeSelection::selectSubShape(const std::string& theType, const std::string& theSubShapeName)
 841 {
 842   if(theSubShapeName.empty() || theType.empty()) return;
 843   TopAbs_ShapeEnum aType = translateType(theType);
 844   ResultPtr aCont = context();
 845   if(!aCont.get() || aCont->shape()->isNull()) return;
 846   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
 847   TopAbs_ShapeEnum aContType = aContext.ShapeType();
 848   if(aType <= aContType) return; // not applicable
 849
 850   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aCont->document());
 851   TopoDS_Shape aSelection;
 852   switch (aType)
 853   {
 854   case TopAbs_COMPOUND:
 855     break;
 856   case TopAbs_COMPSOLID:
 857     break;
 858   case TopAbs_SOLID:
 859     break;
 860   case TopAbs_SHELL:
 861     break;
 862   case TopAbs_FACE:
 863     {
 864           const TopoDS_Shape aSelection = findFaceByName(theSubShapeName, aDoc);
 865           if(!aSelection.IsNull()) {// Select it
 866                 std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
 867         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
 868                 setValue(aCont, aShapeToBeSelected);
 869           }
 870         }
 871     break;
 872   case TopAbs_WIRE:
 873         break;
 874   case TopAbs_EDGE:
 875         {
 876           TopoDS_Shape aSelection;// = findFaceByName(theSubShapeName, aDoc);
 877           const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
 878       if(!aLabel.IsNull()) {
 879         Handle(TNaming_NamedShape) aNS;
 880         if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 881               const TopoDS_Shape& aShape = aNS->Get();
 882               if(!aShape.IsNull()) {
 883                 if(aShape.ShapeType() == TopAbs_COMPOUND)
 884                   aSelection = getShapeFromCompound(theSubShapeName, aShape);
 885                         else
 886                     aSelection = aShape;
 887                   }
 888                 }
 889           }
 890           if(aSelection.IsNull()) {
 891           std::list<std::string> aListofNames;
 892           int n = ParseEdgeName(theSubShapeName, aListofNames);
 893           if(n > 1 && n < 5) {
 894                 TopTools_ListOfShape aList;
 895         for(std::list<std::string>::iterator it =aListofNames.begin();it != aListofNames.end();it++){
 896                   const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
 897                   aList.Append(aFace);
 898                 }
 899                 aSelection = findCommonShape(TopAbs_EDGE, aList);
 900           }
 901           }
 902           if(!aSelection.IsNull()) {// Select it
 903                 std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
 904         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
 905                 setValue(aCont, aShapeToBeSelected);
 906           }
 907         }
 908     break;
 909   case TopAbs_VERTEX:
 910         break;
 911   default: //TopAbs_SHAPE
 912         return;
 913   }
 914
 915 }