src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_AttributeSelection.cpp
   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 "Model_SelectionNaming.h"
  13 #include <ModelAPI_Feature.h>
  14 #include <ModelAPI_ResultBody.h>
  15 #include <ModelAPI_ResultConstruction.h>
  16 #include <ModelAPI_ResultPart.h>
  17 #include <ModelAPI_CompositeFeature.h>
  18 #include <GeomAPI_Shape.h>
  19 #include <GeomAPI_PlanarEdges.h>
  20 #include <Events_Error.h>
  21
  22 #include <TNaming_Selector.hxx>
  23 #include <TNaming_NamedShape.hxx>
  24 #include <TNaming_Tool.hxx>
  25 #include <TNaming_Builder.hxx>
  26 #include <TNaming_Localizer.hxx>
  27 #include <TopoDS_Shape.hxx>
  28 #include <TopoDS_Compound.hxx>
  29 #include <TDataStd_IntPackedMap.hxx>
  30 #include <TDataStd_Integer.hxx>
  31 #include <TDataStd_UAttribute.hxx>
  32 #include <TDataStd_Name.hxx>
  33 #include <TopTools_MapOfShape.hxx>
  34 #include <TopTools_IndexedMapOfShape.hxx>
  35 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  36 #include <TopTools_ListOfShape.hxx>
  37 #include <NCollection_DataMap.hxx>
  38 #include <TopExp_Explorer.hxx>
  39 #include <TDF_LabelMap.hxx>
  40 #include <BRep_Tool.hxx>
  41 #include <BRep_Builder.hxx>
  42 #include <TopoDS_Edge.hxx>
  43 #include <TopoDS.hxx>
  44 #include <TopExp.hxx>
  45 #include <TColStd_MapOfTransient.hxx>
  46 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  47 #include <TopTools_ListIteratorOfListOfShape.hxx>
  48 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  49 #include <gp_Pnt.hxx>
  50 #include <Precision.hxx>
  51 #include <TDF_ChildIterator.hxx>
  52 #include <TDF_ChildIDIterator.hxx>
  53 #include <TDataStd_Name.hxx>
  54 #include <TopAbs_ShapeEnum.hxx>
  55 #include <TopoDS_Iterator.hxx>
  56 #include <TNaming_Iterator.hxx>
  57 using namespace std;
  58 //#define DEB_NAMING 1
  59 #ifdef DEB_NAMING
  60 #include <BRepTools.hxx>
  61 #endif
  62 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
  63 /// (multiplied by the index of the edge)
  64 static const int kSTART_VERTEX_DELTA = 1000000;
  65 // identifier that there is simple reference: selection equals to context
  66 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  67 // simple reference in the construction
  68 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  69 // reference to Part sub-object
  70 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  71 // selection is invalid after recomputation
  72 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  73
  74 // on this label is stored:
  75 // TNaming_NamedShape - selected shape
  76 // TNaming_Naming - topological selection information (for the body)
  77 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  78 // TDataStd_Integer - type of the selected shape (for construction)
  79 // TDF_Reference - from ReferenceAttribute, the context
  80 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  81   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
  82 {
  83   if (theTemporarily) { // just keep the stored without DF update
  84     myTmpContext = theContext;
  85     myTmpSubShape = theSubShape;
  86     owner()->data()->sendAttributeUpdated(this);
  87     return;
  88   } else {
  89     myTmpContext.reset();
  90     myTmpSubShape.reset();
  91   }
  92
  93   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  94   bool isOldContext = theContext == myRef.value();
  95   bool isOldShape = isOldContext &&
  96     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  97   if (isOldShape) return; // shape is the same, so context is also unchanged
  98   // update the referenced object if needed
  99   if (!isOldContext)
 100     myRef.setValue(theContext);
 101
 102   // do noth use naming if selected shape is result shape itself, but not sub-shape
 103   TDF_Label aSelLab = selectionLabel();
 104   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 105   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
 106   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 107
 108   bool isDegeneratedEdge = false;
 109   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 110   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 111     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 112     if (aSubShape.ShapeType() == TopAbs_EDGE)
 113       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 114   }
 115   if (!theContext.get() || isDegeneratedEdge) {
 116     // to keep the reference attribute label
 117     TDF_Label aRefLab = myRef.myRef->Label();
 118     aSelLab.ForgetAllAttributes(true);
 119     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 120     return;
 121   }
 122   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 123     // do not select the whole shape for body:it is already must be in the data framework
 124     // equal and null selected objects mean the same: object is equal to context,
 125     // TODO: synchronize with GUI later that it must be null always
 126     if (theContext->shape().get() &&
 127         (theContext->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 128       aSelLab.ForgetAllAttributes(true);
 129       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 130     } else {
 131       selectBody(theContext, theSubShape);
 132     }
 133   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 134     if (!theSubShape.get()) {
 135       // to sub, so the whole result is selected
 136       aSelLab.ForgetAllAttributes(true);
 137       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 138     } else {
 139       selectConstruction(theContext, theSubShape);
 140     }
 141   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 142     aSelLab.ForgetAllAttributes(true);
 143     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 144     selectPart(theContext, theSubShape);
 145   }
 146   //the attribute initialized state should be changed by sendAttributeUpdated only
 147   //myIsInitialized = true;
 148
 149   owner()->data()->sendAttributeUpdated(this);
 150
 151   std::string aSelName = namingName();
 152   if(!aSelName.empty())
 153     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 154 }
 155
 156 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 157 {
 158   if (myTmpContext.get() || myTmpSubShape.get()) {
 159     return myTmpSubShape;
 160   }
 161
 162   std::shared_ptr<GeomAPI_Shape> aResult;
 163   TDF_Label aSelLab = selectionLabel();
 164   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 165     return aResult;
 166
 167   if (myRef.isInitialized()) {
 168     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 169       ResultPtr aContext = context();
 170       if (!aContext.get())
 171         return aResult; // empty result
 172       return aContext->shape();
 173     }
 174     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 175         return aResult; // empty result
 176     }
 177     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 178       /* TODO: implement used text here
 179       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 180       if (!aPart.get() || !aPart->isActivated())
 181         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 182       Handle(TDataStd_Integer) anIndex;
 183       if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 184         return aPart->selectionValue(anIndex->Get());
 185       }
 186       Handle(TDataStd_Name) aName;
 187       if (!selectionLabel().FindAttribute(TDataStd_Name::GetID(), aName)) {
 188         return std::shared_ptr<GeomAPI_Shape>(); // something is wrong
 189       }
 190       return aPart->shapeInPart(TCollection_AsciiString(aName).ToCString());
 191       */
 192     }
 193
 194     Handle(TNaming_NamedShape) aSelection;
 195     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 196       TopoDS_Shape aSelShape = aSelection->Get();
 197       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 198       aResult->setImpl(new TopoDS_Shape(aSelShape));
 199     } else { // for simple construction element: just shape of this construction element
 200       ResultConstructionPtr aConstr =
 201         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 202       if (aConstr) {
 203         return aConstr->shape();
 204       }
 205     }
 206   }
 207   return aResult;
 208 }
 209
 210 bool Model_AttributeSelection::isInvalid()
 211 {
 212   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 213 }
 214
 215 bool Model_AttributeSelection::isInitialized()
 216 {
 217   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checkings if it is initialized
 218     std::shared_ptr<GeomAPI_Shape> aResult;
 219     if (myRef.isInitialized()) {
 220       TDF_Label aSelLab = selectionLabel();
 221       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 222         ResultPtr aContext = context();
 223         return aContext.get() != NULL;
 224       }
 225       if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 226           return true;
 227       }
 228
 229       Handle(TNaming_NamedShape) aSelection;
 230       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 231         return !aSelection->Get().IsNull();
 232       } else { // for simple construction element: just shape of this construction element
 233         ResultConstructionPtr aConstr =
 234           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 235         if (aConstr.get()) {
 236           return aConstr->shape().get() != NULL;
 237         }
 238       }
 239     }
 240   }
 241   return false;
 242 }
 243
 244 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 245   : myRef(theLabel)
 246 {
 247   myIsInitialized = myRef.isInitialized();
 248 }
 249
 250 void Model_AttributeSelection::setID(const std::string theID)
 251 {
 252   myRef.setID(theID);
 253   ModelAPI_AttributeSelection::setID(theID);
 254 }
 255
 256 ResultPtr Model_AttributeSelection::context() {
 257   if (myTmpContext.get() || myTmpSubShape.get()) {
 258     return myTmpContext;
 259   }
 260
 261   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 262   // for parts there could be same-data result, so take the last enabled
 263   if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group()) {
 264     int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 265     for(int a = aSize - 1; a >= 0; a--) {
 266       ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 267       if (aPart.get() && aPart->data() == aResult->data()) {
 268         ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 269         FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 270         // check that this result is not this-feature result (it is forbidden t oselect itself)
 271         if (anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 272           return aPartResult;
 273         }
 274       }
 275     }
 276   }
 277   return aResult;
 278 }
 279
 280
 281 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 282 {
 283   ModelAPI_AttributeSelection::setObject(theObject);
 284   myRef.setObject(theObject);
 285 }
 286
 287 TDF_LabelMap& Model_AttributeSelection::scope()
 288 {
 289   if (myScope.IsEmpty()) { // create a new scope if not yet done
 290     // gets all featueres with named shapes that are bofore this feature label (before in history)
 291     DocumentPtr aMyDoc = owner()->document();
 292     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 293     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 294     for(; aFIter != allFeatures.end(); aFIter++) {
 295       if (*aFIter == owner()) break; // the left features are created later
 296       if (aFIter->get() && (*aFIter)->data()->isValid()) {
 297         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 298           (*aFIter)->data())->label().Father();
 299         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), 1);
 300         for(; aNSIter.More(); aNSIter.Next()) {
 301           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 302           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 303             myScope.Add(aNS->Label());
 304           }
 305         }
 306       }
 307     }
 308   }
 309   return myScope;
 310 }
 311
 312 /// produces theEdge orientation relatively to theContext face
 313 int edgeOrientation(const TopoDS_Shape& theContext, TopoDS_Edge& theEdge)
 314 {
 315   if (theContext.ShapeType() != TopAbs_FACE)
 316     return 0;
 317   TopoDS_Face aContext = TopoDS::Face(theContext);
 318   if (theEdge.Orientation() == TopAbs_FORWARD)
 319     return 1;
 320   if (theEdge.Orientation() == TopAbs_REVERSED)
 321     return -1;
 322   return 0; // unknown
 323 }
 324
 325 /// Sets the invalid flag if flag is false, or removes it if "true"
 326 /// Returns theFlag
 327 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 328   if (theFlag) {
 329     theLab.ForgetAttribute(kINVALID_SELECTION);
 330   } else {
 331     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 332   }
 333   return theFlag;
 334 }
 335
 336 bool Model_AttributeSelection::update()
 337 {
 338   TDF_Label aSelLab = selectionLabel();
 339   ResultPtr aContext = context();
 340   if (!aContext.get())
 341     return setInvalidIfFalse(aSelLab, false);
 342   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 343     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 344   }
 345   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 346     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 347   }
 348
 349   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 350     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 351     return setInvalidIfFalse(aSelLab, selectPart(aContext, aNoSelection, true));
 352   }
 353
 354   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 355     // body: just a named shape, use selection mechanism from OCCT
 356     TNaming_Selector aSelector(aSelLab);
 357     bool aResult = aSelector.Solve(scope()) == Standard_True;
 358     owner()->data()->sendAttributeUpdated(this);
 359     return setInvalidIfFalse(aSelLab, aResult);
 360   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 361     // construction: identification by the results indexes, recompute faces and
 362     // take the face that more close by the indexes
 363     ResultConstructionPtr aConstructionContext =
 364       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 365     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 366     // sketch sub-element
 367     if (aConstructionContext &&
 368         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 369     {
 370       TDF_Label aLab = myRef.myRef->Label();
 371       // getting a type of selected shape
 372       Handle(TDataStd_Integer) aTypeAttr;
 373       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 374         return setInvalidIfFalse(aSelLab, false);
 375       }
 376       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 377       // selected indexes will be needed in each "if"
 378       Handle(TDataStd_IntPackedMap) aSubIds;
 379       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 380       bool aNoIndexes =
 381         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 382       // for now working only with composite features
 383       CompositeFeaturePtr aComposite =
 384         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 385       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 386         return setInvalidIfFalse(aSelLab, false);
 387       }
 388
 389       if (aShapeType == TopAbs_FACE) { // compound is for the whole sketch selection
 390         // If this is a wire with plane defined thin it is a sketch-like object
 391         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 392           return setInvalidIfFalse(aSelLab, false);
 393         // if there is no edges indexes, any face can be used: take the first
 394         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 395         if (aNoIndexes) {
 396           aNewSelected = aConstructionContext->face(0);
 397         } else { // searching for most looks-like initial face by the indexes
 398           // prepare edges of the current resut for the fast searching
 399           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
 400           const int aSubNum = aComposite->numberOfSubs();
 401           for(int a = 0; a < aSubNum; a++) {
 402             int aSubID = aComposite->subFeatureId(a);
 403             if (aSubIds->Contains(aSubID)) {
 404               FeaturePtr aSub = aComposite->subFeature(a);
 405               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 406               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 407               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 408                 ResultConstructionPtr aConstr =
 409                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 410                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 411                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 412                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 413                   if (!anEdge.IsNull()) {
 414                     Standard_Real aFirst, aLast;
 415                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 416                     // searching for orientation information
 417                     int anOrient = 0;
 418                     Handle(TDataStd_Integer) anInt;
 419                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
 420                       anOrient = anInt->Get();
 421                     }
 422                     allCurves.Bind(aCurve, anOrient);
 423                   }
 424                 }
 425               }
 426             }
 427           }
 428           double aBestFound = 0; // best percentage of found edges
 429           int aBestOrient = 0; // for the equal "BestFound" additional parameter is orientation
 430           for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
 431             int aFound = 0, aNotFound = 0, aSameOrientation = 0;
 432             TopoDS_Face aFace =
 433               TopoDS::Face(aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>());
 434             TopExp_Explorer anEdgesExp(aFace, TopAbs_EDGE);
 435             TColStd_MapOfTransient alreadyProcessed; // to avoid counting edges with same curved (841)
 436             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 437               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 438               if (!anEdge.IsNull()) {
 439                 Standard_Real aFirst, aLast;
 440                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 441                 if (alreadyProcessed.Contains(aCurve))
 442                   continue;
 443                 alreadyProcessed.Add(aCurve);
 444                 if (allCurves.IsBound(aCurve)) {
 445                   aFound++;
 446                   int anOrient = allCurves.Find(aCurve);
 447                   if (anOrient != 0) {  // extra comparision score is orientation
 448                     if (edgeOrientation(aFace, anEdge) == anOrient)
 449                       aSameOrientation++;
 450                   }
 451                 } else {
 452                   aNotFound++;
 453                 }
 454               }
 455             }
 456             if (aFound + aNotFound != 0) {
 457               double aSum = aFound + aNotFound;
 458                // aSameOrientation: if edges are same, take where orientation is better
 459               double aPercentage = double(aFound) / double(aFound + aNotFound);
 460               if (aPercentage > aBestFound ||
 461                   (aPercentage == aBestFound && aSameOrientation > aBestOrient)) {
 462                 aBestFound = aPercentage;
 463                 aBestOrient = aSameOrientation;
 464                 aNewSelected = aConstructionContext->face(aFaceIndex);
 465               }
 466             }
 467           }
 468         }
 469         if (aNewSelected) { // store this new selection
 470           selectConstruction(aContext, aNewSelected);
 471           owner()->data()->sendAttributeUpdated(this);
 472           return setInvalidIfFalse(aSelLab, true);
 473         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
 474           TNaming_Builder anEmptyBuilder(selectionLabel());
 475           return setInvalidIfFalse(aSelLab, false);
 476         }
 477       } else if (aShapeType == TopAbs_EDGE) {
 478         // just reselect the edge by the id
 479         const int aSubNum = aComposite->numberOfSubs();
 480         for(int a = 0; a < aSubNum; a++) {
 481           // if aSubIds take any, the first appropriate
 482           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 483             // found the appropriate feature
 484             FeaturePtr aFeature = aComposite->subFeature(a);
 485             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 486               aFeature->results().cbegin();
 487             for(;aResIter != aFeature->results().cend(); aResIter++) {
 488               ResultConstructionPtr aRes =
 489                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 490               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 491                 selectConstruction(aContext, aRes->shape());
 492                 owner()->data()->sendAttributeUpdated(this);
 493                 return setInvalidIfFalse(aSelLab, true);
 494               }
 495             }
 496           }
 497         }
 498       } else if (aShapeType == TopAbs_VERTEX) {
 499         // just reselect the vertex by the id of edge
 500         const int aSubNum = aComposite->numberOfSubs();
 501         for(int a = 0; a < aSubNum; a++) {
 502           // if aSubIds take any, the first appropriate
 503           int aFeatureID = aComposite->subFeatureId(a);
 504           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 505             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 506             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 507               // searching for deltas
 508               int aVertexNum = 0;
 509               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 510               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 511               // found the feature with appropriate edge
 512               FeaturePtr aFeature = aComposite->subFeature(a);
 513               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 514                 aFeature->results().cbegin();
 515               for(;aResIter != aFeature->results().cend(); aResIter++) {
 516                 ResultConstructionPtr aRes =
 517                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 518                 if (aRes && aRes->shape()) {
 519                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 520                     selectConstruction(aContext, aRes->shape());
 521                     owner()->data()->sendAttributeUpdated(this);
 522                     return setInvalidIfFalse(aSelLab, true);
 523                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 524                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 525                     int aVIndex = 1;
 526                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 527                       if (aVIndex == aVertexNum) { // found!
 528                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 529                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 530                         selectConstruction(aContext, aVertex);
 531                         owner()->data()->sendAttributeUpdated(this);
 532                         return setInvalidIfFalse(aSelLab, true);
 533                       }
 534                       aVIndex++;
 535                     }
 536                   }
 537                 }
 538               }
 539           }
 540         }
 541       }
 542     } else { // simple construction element: the selected is that needed
 543       selectConstruction(aContext, aContext->shape());
 544       owner()->data()->sendAttributeUpdated(this);
 545       return setInvalidIfFalse(aSelLab, true);
 546     }
 547   }
 548   return setInvalidIfFalse(aSelLab, false); // unknown case
 549 }
 550
 551
 552 void Model_AttributeSelection::selectBody(
 553   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 554 {
 555   // perform the selection
 556   TNaming_Selector aSel(selectionLabel());
 557   TopoDS_Shape aContext;
 558
 559   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 560   if (aBody) {
 561     aContext = aBody->shape()->impl<TopoDS_Shape>();
 562   } else {
 563     ResultPtr aResult =
 564       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 565     if (aResult) {
 566       aContext = aResult->shape()->impl<TopoDS_Shape>();
 567     } else {
 568       Events_Error::send("A result with shape is expected");
 569       return;
 570     }
 571   }
 572   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 573   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 574   /*
 575   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 576   if (aFeatureOwner.get())
 577     aFeatureOwner->eraseResults();
 578     */
 579   if (!aContext.IsNull()) {
 580     aSel.Select(aNewShape, aContext);
 581   }
 582 }
 583
 584 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 585 /// if theID is zero,
 586 /// theOrientation is additional information about the positioning of edge relatively to face
 587 ///    it is stored in the integer attribute of the edge sub-label:
 588 ///    -1 is out, 1 is in, 0 is not needed
 589 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 590   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 591   std::string theAdditionalName, std::map<int, int>& theOrientations,
 592   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
 593   const int theOrientation = 0)
 594 {
 595   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 596   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
 597     TDataStd_Integer::Set(aLab, theOrientation);
 598   }
 599   TNaming_Builder aBuilder(aLab);
 600   aBuilder.Generated(theShape);
 601   std::stringstream aName;
 602   aName<<theContextFeature->name()<<"/";
 603   if (!theAdditionalName.empty())
 604     aName<<theAdditionalName<<"/";
 605   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 606   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 607   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 608
 609   if (theRefs.IsNull()) {
 610     aName<<theID;
 611     if (theOrientation == 1)
 612       aName<<"f";
 613     else if (theOrientation == -1)
 614       aName<<"r";
 615   } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
 616     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 617     for(; aRef.More(); aRef.Next()) {
 618       aName<<"-"<<aRef.Key();
 619       if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
 620         if (theOrientations[aRef.Key()] == 1)
 621           aName<<"f";
 622         else if (theOrientations[aRef.Key()] == -1)
 623           aName<<"r";
 624       }
 625     }
 626   }
 627
 628   theDoc->addNamingName(aLab, aName.str());
 629   TDataStd_Name::Set(aLab, aName.str().c_str());
 630 }
 631
 632 void Model_AttributeSelection::selectConstruction(
 633   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 634 {
 635   std::shared_ptr<Model_Document> aMyDoc =
 636     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 637   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 638   CompositeFeaturePtr aComposite =
 639     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 640   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 641   if (!aComposite || aComposite->numberOfSubs() == 0) {
 642     // saving of context is enough: result construction contains exactly the needed shape
 643     TNaming_Builder aBuilder(selectionLabel());
 644     aBuilder.Generated(aSubShape);
 645     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 646     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 647     return;
 648   }
 649   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 650   TDF_Label aLab = myRef.myRef->Label();
 651   // identify the reuslts of sub-object of the composite by edges
 652   // save type of the selected shape in integer attribute
 653   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 654   TDataStd_Integer::Set(aLab, (int)aShapeType);
 655   gp_Pnt aVertexPos;
 656   TColStd_MapOfTransient allCurves;
 657   if (aShapeType == TopAbs_VERTEX) { // compare positions
 658     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 659   } else {
 660     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 661       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 662       Standard_Real aFirst, aLast;
 663       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 664       allCurves.Add(aCurve);
 665     }
 666   }
 667   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 668   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 669   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
 670   aRefs->Clear();
 671   const int aSubNum = aComposite->numberOfSubs();
 672   for(int a = 0; a < aSubNum; a++) {
 673     FeaturePtr aSub = aComposite->subFeature(a);
 674     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 675     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 676     // there may be many shapes (circle and center): register if at least one is in selection
 677     for(; aRes != aResults.cend(); aRes++) {
 678       ResultConstructionPtr aConstr =
 679         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 680       if (!aConstr->shape()) {
 681         continue;
 682       }
 683       if (aShapeType == TopAbs_VERTEX) {
 684         if (aConstr->shape()->isVertex()) { // compare vertices positions
 685           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 686           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 687           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 688             aRefs->Add(aComposite->subFeatureId(a));
 689           }
 690         } else { // get first or last vertex of the edge: last is stored with negative sign
 691           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 692           int aDelta = kSTART_VERTEX_DELTA;
 693           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 694             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 695             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 696               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 697               break;
 698             }
 699             aDelta += kSTART_VERTEX_DELTA;
 700           }
 701         }
 702       } else {
 703         if (aConstr->shape()->isEdge()) {
 704           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 705           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 706           if (!anEdge.IsNull()) {
 707             Standard_Real aFirst, aLast;
 708             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 709             if (allCurves.Contains(aCurve)) {
 710               int anID = aComposite->subFeatureId(a);
 711               aRefs->Add(anID);
 712               if (aShapeType != TopAbs_EDGE) { // face nneds the sub-edges on sub-labels
 713                 // add edges to sub-label to support naming for edges selection
 714                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 715                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 716                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 717                   Standard_Real aFirst, aLast;
 718                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 719                   if (aFaceCurve == aCurve) {
 720                     int anOrient = edgeOrientation(aSubShape, anEdge);
 721                     anOrientations[anID] = anOrient;
 722                     registerSubShape(
 723                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
 724                       Handle(TDataStd_IntPackedMap)(), anOrient);
 725                   }
 726                 }
 727               } else { // put vertices of the selected edge to sub-labels
 728                 // add edges to sub-label to support naming for edges selection
 729                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 730                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 731                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 732                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 733
 734                   std::stringstream anAdditionalName;
 735                   registerSubShape(
 736                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations);
 737                 }
 738               }
 739             }
 740           }
 741         }
 742       }
 743     }
 744   }
 745   // store the selected as primitive
 746   TNaming_Builder aBuilder(selectionLabel());
 747   aBuilder.Generated(aSubShape);
 748     registerSubShape(
 749       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aRefs);
 750 }
 751
 752 bool Model_AttributeSelection::selectPart(
 753   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 754   const bool theUpdate)
 755 {
 756   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 757   if (!aPart.get() || !aPart->isActivated())
 758     return true; // postponed naming
 759   if (theUpdate) {
 760     Handle(TDataStd_Integer) anIndex;
 761     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
 762       if (anIndex->Get() > 0) {
 763         // update the selection by index
 764         return aPart->updateInPart(anIndex->Get());
 765       } else {
 766         return true; // nothing to do, referencing just by name
 767       }
 768     }
 769     return true; // nothing to do, referencing just by name
 770   }
 771   // store the shape (in case part is not loaded it should be usefull
 772   TopoDS_Shape aShape;
 773   std::string aName = theContext->data()->name();
 774   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 775     aShape = theContext->shape()->impl<TopoDS_Shape>();
 776   } else {
 777     aShape = theSubShape->impl<TopoDS_Shape>();
 778     int anIndex;
 779     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 780     TDataStd_Integer::Set(selectionLabel(), anIndex);
 781   }
 782   TNaming_Builder aBuilder(selectionLabel());
 783   aBuilder.Select(aShape, aShape);
 784   // identify by name in the part
 785   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 786   return !aName.empty();
 787 }
 788
 789 TDF_Label Model_AttributeSelection::selectionLabel()
 790 {
 791   return myRef.myRef->Label().FindChild(1);
 792 }
 793
 794 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 795 {
 796   std::string aName("");
 797   if(!this->isInitialized())
 798     return !theDefaultName.empty() ? theDefaultName : aName;
 799   Handle(TDataStd_Name) anAtt;
 800   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 801     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 802     return aName;
 803   }
 804
 805   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 806   ResultPtr aCont = context();
 807
 808   Model_SelectionNaming aSelNaming(selectionLabel());
 809   return aSelNaming.namingName(aCont, aSubSh, theDefaultName);
 810 }
 811
 812 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 813 void Model_AttributeSelection::selectSubShape(
 814   const std::string& theType, const std::string& theSubShapeName)
 815 {
 816   if(theSubShapeName.empty() || theType.empty()) return;
 817
 818   Model_SelectionNaming aSelNaming(selectionLabel());
 819   std::shared_ptr<Model_Document> aDoc =
 820     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 821   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 822   ResultPtr aCont;
 823   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 824     setValue(aCont, aShapeToBeSelected);
 825   }
 826 }
 827
 828 int Model_AttributeSelection::Id()
 829 {
 830   std::shared_ptr<GeomAPI_Shape> aSelection = value();
 831   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
 832   const TopoDS_Shape& aMainShape = aContext->impl<TopoDS_Shape>();
 833   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
 834   int anID = 0;
 835   if (aSelection && !aSelection->isNull() &&
 836     aContext   && !aContext->isNull())
 837   {
 838     TopTools_IndexedMapOfShape aSubShapesMap;
 839     TopExp::MapShapes(aMainShape, aSubShapesMap);
 840     anID = aSubShapesMap.FindIndex(aSubShape);
 841   }
 842   return anID;
 843 }