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