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 <ModelAPI_Tools.h>
  19 #include <GeomAPI_Shape.h>
  20 #include <GeomAPI_PlanarEdges.h>
  21 #include <Events_Error.h>
  22
  23 #include <TNaming_Selector.hxx>
  24 #include <TNaming_NamedShape.hxx>
  25 #include <TNaming_Tool.hxx>
  26 #include <TNaming_Builder.hxx>
  27 #include <TNaming_Localizer.hxx>
  28 #include <TopoDS_Shape.hxx>
  29 #include <TopoDS_Compound.hxx>
  30 #include <TDataStd_IntPackedMap.hxx>
  31 #include <TDataStd_Integer.hxx>
  32 #include <TDataStd_UAttribute.hxx>
  33 #include <TDataStd_Name.hxx>
  34 #include <TopTools_MapOfShape.hxx>
  35 #include <TopTools_IndexedMapOfShape.hxx>
  36 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  37 #include <TopTools_ListOfShape.hxx>
  38 #include <NCollection_DataMap.hxx>
  39 #include <TopExp_Explorer.hxx>
  40 #include <TDF_LabelMap.hxx>
  41 #include <BRep_Tool.hxx>
  42 #include <BRep_Builder.hxx>
  43 #include <TopoDS_Edge.hxx>
  44 #include <TopoDS.hxx>
  45 #include <TopExp.hxx>
  46 #include <TColStd_MapOfTransient.hxx>
  47 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  48 #include <TopTools_ListIteratorOfListOfShape.hxx>
  49 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  50 #include <gp_Pnt.hxx>
  51 #include <Precision.hxx>
  52 #include <TDF_ChildIterator.hxx>
  53 #include <TDF_ChildIDIterator.hxx>
  54 #include <TDataStd_Name.hxx>
  55 #include <TopAbs_ShapeEnum.hxx>
  56 #include <TopoDS_Iterator.hxx>
  57 #include <TNaming_Iterator.hxx>
  58 #include <BRep_Builder.hxx>
  59 using namespace std;
  60 //#define DEB_NAMING 1
  61 #ifdef DEB_NAMING
  62 #include <BRepTools.hxx>
  63 #endif
  64 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
  65 /// (multiplied by the index of the edge)
  66 static const int kSTART_VERTEX_DELTA = 1000000;
  67 // identifier that there is simple reference: selection equals to context
  68 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  69 // simple reference in the construction
  70 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  71 // reference to Part sub-object
  72 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  73 // selection is invalid after recomputation
  74 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  75
  76 // on this label is stored:
  77 // TNaming_NamedShape - selected shape
  78 // TNaming_Naming - topological selection information (for the body)
  79 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  80 // TDataStd_Integer - type of the selected shape (for construction)
  81 // TDF_Reference - from ReferenceAttribute, the context
  82 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  83   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
  84 {
  85   if (theTemporarily) { // just keep the stored without DF update
  86     myTmpContext = theContext;
  87     myTmpSubShape = theSubShape;
  88     owner()->data()->sendAttributeUpdated(this);
  89     return;
  90   } else {
  91     myTmpContext.reset();
  92     myTmpSubShape.reset();
  93   }
  94
  95   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  96   bool isOldContext = theContext == myRef.value();
  97   bool isOldShape = isOldContext &&
  98     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  99   if (isOldShape) return; // shape is the same, so context is also unchanged
 100   // update the referenced object if needed
 101   if (!isOldContext)
 102     myRef.setValue(theContext);
 103
 104   // do noth use naming if selected shape is result shape itself, but not sub-shape
 105   TDF_Label aSelLab = selectionLabel();
 106   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 107   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
 108   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 109
 110   bool isDegeneratedEdge = false;
 111   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 112   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 113     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 114     if (aSubShape.ShapeType() == TopAbs_EDGE)
 115       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 116   }
 117   if (!theContext.get() || isDegeneratedEdge) {
 118     // to keep the reference attribute label
 119     TDF_Label aRefLab = myRef.myRef->Label();
 120     aSelLab.ForgetAllAttributes(true);
 121     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 122     return;
 123   }
 124   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 125     // do not select the whole shape for body:it is already must be in the data framework
 126     // equal and null selected objects mean the same: object is equal to context,
 127     if (theContext->shape().get() &&
 128         (theContext->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 129       aSelLab.ForgetAllAttributes(true);
 130       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 131     } else {
 132       selectBody(theContext, theSubShape);
 133     }
 134   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 135     if (!theSubShape.get()) {
 136       // to sub, so the whole result is selected
 137       aSelLab.ForgetAllAttributes(true);
 138       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 139       ResultConstructionPtr aConstruction =
 140         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 141       if (aConstruction->isInfinite()) {
 142         // For correct naming selection, put the shape into the naming structure.
 143         // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 144         TNaming_Builder aBuilder(aSelLab);
 145         aBuilder.Generated(theContext->shape()->impl<TopoDS_Shape>());
 146         std::shared_ptr<Model_Document> aMyDoc =
 147           std::dynamic_pointer_cast<Model_Document>(owner()->document());
 148         std::string aName = theContext->data()->name();
 149         aMyDoc->addNamingName(aSelLab, aName);
 150         TDataStd_Name::Set(aSelLab, aName.c_str());
 151       } else {  // for sketch the naming is needed in DS
 152         BRep_Builder aCompoundBuilder;
 153         TopoDS_Compound aComp;
 154         aCompoundBuilder.MakeCompound(aComp);
 155         for(int a = 0; a < aConstruction->facesNum(); a++) {
 156           TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 157           aCompoundBuilder.Add(aComp, aFace);
 158         }
 159         std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 160         aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 161         selectConstruction(theContext, aShape);
 162       }
 163     } else {
 164       selectConstruction(theContext, theSubShape);
 165     }
 166   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 167     aSelLab.ForgetAllAttributes(true);
 168     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 169     selectPart(theContext, theSubShape);
 170   }
 171   //the attribute initialized state should be changed by sendAttributeUpdated only
 172   //myIsInitialized = true;
 173
 174   owner()->data()->sendAttributeUpdated(this);
 175
 176   std::string aSelName = namingName();
 177   if(!aSelName.empty())
 178     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 179 }
 180
 181 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 182 {
 183   if (myTmpContext.get() || myTmpSubShape.get()) {
 184     return myTmpSubShape;
 185   }
 186
 187   std::shared_ptr<GeomAPI_Shape> aResult;
 188   TDF_Label aSelLab = selectionLabel();
 189   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 190     return aResult;
 191
 192   if (myRef.isInitialized()) {
 193     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 194       ResultPtr aContext = context();
 195       if (!aContext.get())
 196         return aResult; // empty result
 197       return aContext->shape();
 198     }
 199     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 200         return aResult; // empty result
 201     }
 202     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 203       /* TODO: implement used text here
 204       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 205       if (!aPart.get() || !aPart->isActivated())
 206         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 207       Handle(TDataStd_Integer) anIndex;
 208       if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 209         return aPart->selectionValue(anIndex->Get());
 210       }
 211       Handle(TDataStd_Name) aName;
 212       if (!selectionLabel().FindAttribute(TDataStd_Name::GetID(), aName)) {
 213         return std::shared_ptr<GeomAPI_Shape>(); // something is wrong
 214       }
 215       return aPart->shapeInPart(TCollection_AsciiString(aName).ToCString());
 216       */
 217     }
 218
 219     Handle(TNaming_NamedShape) aSelection;
 220     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 221       TopoDS_Shape aSelShape = aSelection->Get();
 222       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 223       aResult->setImpl(new TopoDS_Shape(aSelShape));
 224     } else { // for simple construction element: just shape of this construction element
 225       ResultConstructionPtr aConstr =
 226         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 227       if (aConstr) {
 228         return aConstr->shape();
 229       }
 230     }
 231   }
 232   return aResult;
 233 }
 234
 235 bool Model_AttributeSelection::isInvalid()
 236 {
 237   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 238 }
 239
 240 bool Model_AttributeSelection::isInitialized()
 241 {
 242   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checkings if it is initialized
 243     std::shared_ptr<GeomAPI_Shape> aResult;
 244     if (myRef.isInitialized()) {
 245       TDF_Label aSelLab = selectionLabel();
 246       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 247         ResultPtr aContext = context();
 248         return aContext.get() != NULL;
 249       }
 250       if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 251           return true;
 252       }
 253
 254       Handle(TNaming_NamedShape) aSelection;
 255       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 256         return !aSelection->Get().IsNull();
 257       } else { // for simple construction element: just shape of this construction element
 258         ResultConstructionPtr aConstr =
 259           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 260         if (aConstr.get()) {
 261           return aConstr->shape().get() != NULL;
 262         }
 263       }
 264     }
 265   }
 266   return false;
 267 }
 268
 269 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 270   : myRef(theLabel)
 271 {
 272   myIsInitialized = myRef.isInitialized();
 273 }
 274
 275 void Model_AttributeSelection::setID(const std::string theID)
 276 {
 277   myRef.setID(theID);
 278   ModelAPI_AttributeSelection::setID(theID);
 279 }
 280
 281 ResultPtr Model_AttributeSelection::context() {
 282   if (myTmpContext.get() || myTmpSubShape.get()) {
 283     return myTmpContext;
 284   }
 285
 286   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 287   // for parts there could be same-data result, so take the last enabled
 288   if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group()) {
 289     int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 290     for(int a = aSize - 1; a >= 0; a--) {
 291       ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 292       if (aPart.get() && aPart->data() == aResult->data()) {
 293         ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 294         FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 295         // check that this result is not this-feature result (it is forbidden t oselect itself)
 296         if (anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 297           return aPartResult;
 298         }
 299       }
 300     }
 301   }
 302   return aResult;
 303 }
 304
 305
 306 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 307 {
 308   ModelAPI_AttributeSelection::setObject(theObject);
 309   myRef.setObject(theObject);
 310 }
 311
 312 TDF_LabelMap& Model_AttributeSelection::scope()
 313 {
 314   if (myScope.IsEmpty()) { // create a new scope if not yet done
 315     // gets all featueres with named shapes that are bofore this feature label (before in history)
 316     DocumentPtr aMyDoc = owner()->document();
 317     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 318     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 319     bool aMePassed = false;
 320     CompositeFeaturePtr aComposite =
 321       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 322     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 323     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 324     if (aFeature.get()) {
 325       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 326       if (aCompositeOwner.get()) {
 327          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 328       }
 329     }
 330     for(; aFIter != allFeatures.end(); aFIter++) {
 331       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 332         aMePassed = true;
 333         continue;
 334       }
 335       bool isInScope = !aMePassed;
 336       if (!isInScope && aComposite.get()) { // try to add sub-elements of composite if this is composite
 337         if (aComposite->isSub(*aFIter))
 338           isInScope = true;
 339       }
 340       // remove the composite-owner of this feature (sketch in extrusion-cut)
 341       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 342         isInScope = false;
 343
 344       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 345         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 346           (*aFIter)->data())->label().Father();
 347         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), 1);
 348         for(; aNSIter.More(); aNSIter.Next()) {
 349           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 350           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 351             myScope.Add(aNS->Label());
 352           }
 353         }
 354       }
 355     }
 356   }
 357   return myScope;
 358 }
 359
 360 /// produces theEdge orientation relatively to theContext face
 361 int edgeOrientation(const TopoDS_Shape& theContext, TopoDS_Edge& theEdge)
 362 {
 363   if (theContext.ShapeType() != TopAbs_FACE)
 364     return 0;
 365   TopoDS_Face aContext = TopoDS::Face(theContext);
 366   if (theEdge.Orientation() == TopAbs_FORWARD)
 367     return 1;
 368   if (theEdge.Orientation() == TopAbs_REVERSED)
 369     return -1;
 370   return 0; // unknown
 371 }
 372
 373 /// Sets the invalid flag if flag is false, or removes it if "true"
 374 /// Returns theFlag
 375 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 376   if (theFlag) {
 377     theLab.ForgetAttribute(kINVALID_SELECTION);
 378   } else {
 379     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 380   }
 381   return theFlag;
 382 }
 383
 384 bool Model_AttributeSelection::update()
 385 {
 386   TDF_Label aSelLab = selectionLabel();
 387   ResultPtr aContext = context();
 388   if (!aContext.get())
 389     return setInvalidIfFalse(aSelLab, false);
 390   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 391     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 392   }
 393   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 394     // if there is a sketch, the sketch-naming must be updated
 395     ResultConstructionPtr aConstruction =
 396       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 397     if (!aConstruction->isInfinite()) {
 398       BRep_Builder aCompoundBuilder;
 399       TopoDS_Compound aComp;
 400       aCompoundBuilder.MakeCompound(aComp);
 401       for(int a = 0; a < aConstruction->facesNum(); a++) {
 402         TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
 403         aCompoundBuilder.Add(aComp, aFace);
 404       }
 405       std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
 406       aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
 407       selectConstruction(aContext, aShape);
 408     }
 409     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 410   }
 411
 412   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 413     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 414     return setInvalidIfFalse(aSelLab, selectPart(aContext, aNoSelection, true));
 415   }
 416
 417   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 418     // body: just a named shape, use selection mechanism from OCCT
 419     TNaming_Selector aSelector(aSelLab);
 420     bool aResult = aSelector.Solve(scope()) == Standard_True;
 421     owner()->data()->sendAttributeUpdated(this);
 422     return setInvalidIfFalse(aSelLab, aResult);
 423   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 424     // construction: identification by the results indexes, recompute faces and
 425     // take the face that more close by the indexes
 426     ResultConstructionPtr aConstructionContext =
 427       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 428     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 429     // sketch sub-element
 430     if (aConstructionContext &&
 431         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 432     {
 433       TDF_Label aLab = myRef.myRef->Label();
 434       // getting a type of selected shape
 435       Handle(TDataStd_Integer) aTypeAttr;
 436       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 437         return setInvalidIfFalse(aSelLab, false);
 438       }
 439       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 440       // selected indexes will be needed in each "if"
 441       Handle(TDataStd_IntPackedMap) aSubIds;
 442       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 443       bool aNoIndexes =
 444         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 445       // for now working only with composite features
 446       CompositeFeaturePtr aComposite =
 447         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 448       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 449         return setInvalidIfFalse(aSelLab, false);
 450       }
 451
 452       if (aShapeType == TopAbs_FACE) { // compound is for the whole sketch selection
 453         // If this is a wire with plane defined thin it is a sketch-like object
 454         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 455           return setInvalidIfFalse(aSelLab, false);
 456         // if there is no edges indexes, any face can be used: take the first
 457         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 458         if (aNoIndexes) {
 459           aNewSelected = aConstructionContext->face(0);
 460         } else { // searching for most looks-like initial face by the indexes
 461           // prepare edges of the current resut for the fast searching
 462           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
 463           const int aSubNum = aComposite->numberOfSubs();
 464           for(int a = 0; a < aSubNum; a++) {
 465             int aSubID = aComposite->subFeatureId(a);
 466             if (aSubIds->Contains(aSubID)) {
 467               FeaturePtr aSub = aComposite->subFeature(a);
 468               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 469               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 470               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 471                 ResultConstructionPtr aConstr =
 472                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 473                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 474                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 475                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 476                   if (!anEdge.IsNull()) {
 477                     Standard_Real aFirst, aLast;
 478                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 479                     // searching for orientation information
 480                     int anOrient = 0;
 481                     Handle(TDataStd_Integer) anInt;
 482                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
 483                       anOrient = anInt->Get();
 484                     }
 485                     allCurves.Bind(aCurve, anOrient);
 486                   }
 487                 }
 488               }
 489             }
 490           }
 491           double aBestFound = 0; // best percentage of found edges
 492           int aBestOrient = 0; // for the equal "BestFound" additional parameter is orientation
 493           for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
 494             int aFound = 0, aNotFound = 0, aSameOrientation = 0;
 495             TopoDS_Face aFace =
 496               TopoDS::Face(aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>());
 497             TopExp_Explorer anEdgesExp(aFace, TopAbs_EDGE);
 498             TColStd_MapOfTransient alreadyProcessed; // to avoid counting edges with same curved (841)
 499             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 500               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 501               if (!anEdge.IsNull()) {
 502                 Standard_Real aFirst, aLast;
 503                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 504                 if (alreadyProcessed.Contains(aCurve))
 505                   continue;
 506                 alreadyProcessed.Add(aCurve);
 507                 if (allCurves.IsBound(aCurve)) {
 508                   aFound++;
 509                   int anOrient = allCurves.Find(aCurve);
 510                   if (anOrient != 0) {  // extra comparision score is orientation
 511                     if (edgeOrientation(aFace, anEdge) == anOrient)
 512                       aSameOrientation++;
 513                   }
 514                 } else {
 515                   aNotFound++;
 516                 }
 517               }
 518             }
 519             if (aFound + aNotFound != 0) {
 520               double aSum = aFound + aNotFound;
 521                // aSameOrientation: if edges are same, take where orientation is better
 522               double aPercentage = double(aFound) / double(aFound + aNotFound);
 523               if (aPercentage > aBestFound ||
 524                   (aPercentage == aBestFound && aSameOrientation > aBestOrient)) {
 525                 aBestFound = aPercentage;
 526                 aBestOrient = aSameOrientation;
 527                 aNewSelected = aConstructionContext->face(aFaceIndex);
 528               }
 529             }
 530           }
 531         }
 532         if (aNewSelected) { // store this new selection
 533           selectConstruction(aContext, aNewSelected);
 534           owner()->data()->sendAttributeUpdated(this);
 535           return setInvalidIfFalse(aSelLab, true);
 536         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
 537           TNaming_Builder anEmptyBuilder(selectionLabel());
 538           return setInvalidIfFalse(aSelLab, false);
 539         }
 540       } else if (aShapeType == TopAbs_EDGE) {
 541         // just reselect the edge by the id
 542         const int aSubNum = aComposite->numberOfSubs();
 543         for(int a = 0; a < aSubNum; a++) {
 544           // if aSubIds take any, the first appropriate
 545           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 546             // found the appropriate feature
 547             FeaturePtr aFeature = aComposite->subFeature(a);
 548             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 549               aFeature->results().cbegin();
 550             for(;aResIter != aFeature->results().cend(); aResIter++) {
 551               ResultConstructionPtr aRes =
 552                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 553               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 554                 selectConstruction(aContext, aRes->shape());
 555                 owner()->data()->sendAttributeUpdated(this);
 556                 return setInvalidIfFalse(aSelLab, true);
 557               }
 558             }
 559           }
 560         }
 561       } else if (aShapeType == TopAbs_VERTEX) {
 562         // just reselect the vertex by the id of edge
 563         const int aSubNum = aComposite->numberOfSubs();
 564         for(int a = 0; a < aSubNum; a++) {
 565           // if aSubIds take any, the first appropriate
 566           int aFeatureID = aComposite->subFeatureId(a);
 567           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 568             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 569             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 570               // searching for deltas
 571               int aVertexNum = 0;
 572               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 573               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 574               // found the feature with appropriate edge
 575               FeaturePtr aFeature = aComposite->subFeature(a);
 576               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 577                 aFeature->results().cbegin();
 578               for(;aResIter != aFeature->results().cend(); aResIter++) {
 579                 ResultConstructionPtr aRes =
 580                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 581                 if (aRes && aRes->shape()) {
 582                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 583                     selectConstruction(aContext, aRes->shape());
 584                     owner()->data()->sendAttributeUpdated(this);
 585                     return setInvalidIfFalse(aSelLab, true);
 586                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 587                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 588                     int aVIndex = 1;
 589                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 590                       if (aVIndex == aVertexNum) { // found!
 591                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 592                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 593                         selectConstruction(aContext, aVertex);
 594                         owner()->data()->sendAttributeUpdated(this);
 595                         return setInvalidIfFalse(aSelLab, true);
 596                       }
 597                       aVIndex++;
 598                     }
 599                   }
 600                 }
 601               }
 602           }
 603         }
 604       }
 605     } else { // simple construction element: the selected is that needed
 606       selectConstruction(aContext, aContext->shape());
 607       owner()->data()->sendAttributeUpdated(this);
 608       return setInvalidIfFalse(aSelLab, true);
 609     }
 610   }
 611   return setInvalidIfFalse(aSelLab, false); // unknown case
 612 }
 613
 614
 615 void Model_AttributeSelection::selectBody(
 616   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 617 {
 618   // perform the selection
 619   TNaming_Selector aSel(selectionLabel());
 620   TopoDS_Shape aContext;
 621
 622   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 623   if (aBody) {
 624     aContext = aBody->shape()->impl<TopoDS_Shape>();
 625   } else {
 626     ResultPtr aResult =
 627       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 628     if (aResult) {
 629       aContext = aResult->shape()->impl<TopoDS_Shape>();
 630     } else {
 631       Events_Error::send("A result with shape is expected");
 632       return;
 633     }
 634   }
 635   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 636   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 637   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 638   if (aFeatureOwner.get())
 639     aFeatureOwner->eraseResults();
 640   if (!aContext.IsNull()) {
 641     aSel.Select(aNewShape, aContext);
 642   }
 643 }
 644
 645 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 646 /// if theID is zero,
 647 /// theOrientation is additional information about the positioning of edge relatively to face
 648 ///    it is stored in the integer attribute of the edge sub-label:
 649 ///    -1 is out, 1 is in, 0 is not needed
 650 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 651   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 652   std::string theAdditionalName, std::map<int, int>& theOrientations,
 653   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
 654   const int theOrientation = 0)
 655 {
 656   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 657   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
 658     TDataStd_Integer::Set(aLab, theOrientation);
 659   }
 660   TNaming_Builder aBuilder(aLab);
 661   aBuilder.Generated(theShape);
 662   std::stringstream aName;
 663   aName<<theContextFeature->name()<<"/";
 664   if (!theAdditionalName.empty())
 665     aName<<theAdditionalName<<"/";
 666   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 667   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 668   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 669
 670   if (theRefs.IsNull()) {
 671     aName<<theID;
 672     if (theOrientation == 1)
 673       aName<<"f";
 674     else if (theOrientation == -1)
 675       aName<<"r";
 676   } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
 677     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 678     for(; aRef.More(); aRef.Next()) {
 679       aName<<"-"<<aRef.Key();
 680       if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
 681         if (theOrientations[aRef.Key()] == 1)
 682           aName<<"f";
 683         else if (theOrientations[aRef.Key()] == -1)
 684           aName<<"r";
 685       }
 686     }
 687   }
 688
 689   theDoc->addNamingName(aLab, aName.str());
 690   TDataStd_Name::Set(aLab, aName.str().c_str());
 691 }
 692
 693 void Model_AttributeSelection::selectConstruction(
 694   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 695 {
 696   std::shared_ptr<Model_Document> aMyDoc =
 697     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 698   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 699   CompositeFeaturePtr aComposite =
 700     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 701   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 702   if (!aComposite || aComposite->numberOfSubs() == 0) {
 703     // saving of context is enough: result construction contains exactly the needed shape
 704     TNaming_Builder aBuilder(selectionLabel());
 705     aBuilder.Generated(aSubShape);
 706     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 707     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 708     return;
 709   }
 710   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 711   TDF_Label aLab = myRef.myRef->Label();
 712   // identify the reuslts of sub-object of the composite by edges
 713   // save type of the selected shape in integer attribute
 714   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 715   TDataStd_Integer::Set(aLab, (int)aShapeType);
 716   gp_Pnt aVertexPos;
 717   TColStd_MapOfTransient allCurves;
 718   if (aShapeType == TopAbs_VERTEX) { // compare positions
 719     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 720   } else {
 721     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 722       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 723       Standard_Real aFirst, aLast;
 724       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 725       allCurves.Add(aCurve);
 726     }
 727   }
 728   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 729   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 730   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
 731   aRefs->Clear();
 732   const int aSubNum = aComposite->numberOfSubs();
 733   for(int a = 0; a < aSubNum; a++) {
 734     FeaturePtr aSub = aComposite->subFeature(a);
 735     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 736     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 737     // there may be many shapes (circle and center): register if at least one is in selection
 738     for(; aRes != aResults.cend(); aRes++) {
 739       ResultConstructionPtr aConstr =
 740         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 741       if (!aConstr->shape()) {
 742         continue;
 743       }
 744       if (aShapeType == TopAbs_VERTEX) {
 745         if (aConstr->shape()->isVertex()) { // compare vertices positions
 746           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 747           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 748           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 749             aRefs->Add(aComposite->subFeatureId(a));
 750           }
 751         } else { // get first or last vertex of the edge: last is stored with negative sign
 752           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 753           int aDelta = kSTART_VERTEX_DELTA;
 754           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 755             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 756             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 757               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 758               break;
 759             }
 760             aDelta += kSTART_VERTEX_DELTA;
 761           }
 762         }
 763       } else {
 764         if (aConstr->shape()->isEdge()) {
 765           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 766           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 767           if (!anEdge.IsNull()) {
 768             Standard_Real aFirst, aLast;
 769             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 770             if (allCurves.Contains(aCurve)) {
 771               int anID = aComposite->subFeatureId(a);
 772               aRefs->Add(anID);
 773               if (aShapeType != TopAbs_EDGE) { // face needs the sub-edges on sub-labels
 774                 // add edges to sub-label to support naming for edges selection
 775                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 776                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 777                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 778                   Standard_Real aFirst, aLast;
 779                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 780                   if (aFaceCurve == aCurve) {
 781                     int anOrient = edgeOrientation(aSubShape, anEdge);
 782                     anOrientations[anID] = anOrient;
 783                     registerSubShape(
 784                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
 785                       Handle(TDataStd_IntPackedMap)(), anOrient);
 786                   }
 787                 }
 788               } else { // put vertices of the selected edge to sub-labels
 789                 // add edges to sub-label to support naming for edges selection
 790                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 791                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 792                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 793                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 794
 795                   std::stringstream anAdditionalName;
 796                   registerSubShape(
 797                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations);
 798                 }
 799               }
 800             }
 801           }
 802         }
 803       }
 804     }
 805   }
 806   // store the selected as primitive
 807   TNaming_Builder aBuilder(selectionLabel());
 808   aBuilder.Generated(aSubShape);
 809     registerSubShape(
 810       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aRefs);
 811 }
 812
 813 bool Model_AttributeSelection::selectPart(
 814   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 815   const bool theUpdate)
 816 {
 817   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 818   if (!aPart.get() || !aPart->isActivated())
 819     return true; // postponed naming
 820   if (theUpdate) {
 821     Handle(TDataStd_Integer) anIndex;
 822     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
 823       if (anIndex->Get() > 0) {
 824         // update the selection by index
 825         return aPart->updateInPart(anIndex->Get());
 826       } else {
 827         return true; // nothing to do, referencing just by name
 828       }
 829     }
 830     return true; // nothing to do, referencing just by name
 831   }
 832   // store the shape (in case part is not loaded it should be usefull
 833   TopoDS_Shape aShape;
 834   std::string aName = theContext->data()->name();
 835   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 836     aShape = theContext->shape()->impl<TopoDS_Shape>();
 837   } else {
 838     aShape = theSubShape->impl<TopoDS_Shape>();
 839     int anIndex;
 840     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 841     TDataStd_Integer::Set(selectionLabel(), anIndex);
 842   }
 843   TNaming_Builder aBuilder(selectionLabel());
 844   aBuilder.Select(aShape, aShape);
 845   // identify by name in the part
 846   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 847   return !aName.empty();
 848 }
 849
 850 TDF_Label Model_AttributeSelection::selectionLabel()
 851 {
 852   return myRef.myRef->Label().FindChild(1);
 853 }
 854
 855 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 856 {
 857   std::string aName("");
 858   if(!this->isInitialized())
 859     return !theDefaultName.empty() ? theDefaultName : aName;
 860   Handle(TDataStd_Name) anAtt;
 861   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 862     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 863     return aName;
 864   }
 865
 866   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 867   ResultPtr aCont = context();
 868
 869   Model_SelectionNaming aSelNaming(selectionLabel());
 870   return aSelNaming.namingName(aCont, aSubSh, theDefaultName);
 871 }
 872
 873 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 874 void Model_AttributeSelection::selectSubShape(
 875   const std::string& theType, const std::string& theSubShapeName)
 876 {
 877   if(theSubShapeName.empty() || theType.empty()) return;
 878
 879   Model_SelectionNaming aSelNaming(selectionLabel());
 880   std::shared_ptr<Model_Document> aDoc =
 881     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 882   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
 883   ResultPtr aCont;
 884   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
 885     setValue(aCont, aShapeToBeSelected);
 886   }
 887 }
 888
 889 int Model_AttributeSelection::Id()
 890 {
 891   std::shared_ptr<GeomAPI_Shape> aSelection = value();
 892   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
 893   const TopoDS_Shape& aMainShape = aContext->impl<TopoDS_Shape>();
 894   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
 895   int anID = 0;
 896   if (aSelection && !aSelection->isNull() &&
 897     aContext   && !aContext->isNull())
 898   {
 899     TopTools_IndexedMapOfShape aSubShapesMap;
 900     TopExp::MapShapes(aMainShape, aSubShapesMap);
 901     anID = aSubShapesMap.FindIndex(aSubShape);
 902   }
 903   return anID;
 904 }