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