src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_AttributeSelection.h
   4 // Created:     2 Oct 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include "Model_AttributeSelection.h"
   8 #include "Model_Application.h"
   9 #include "Model_Events.h"
  10 #include "Model_Data.h"
  11 #include "Model_Document.h"
  12 #include <ModelAPI_Feature.h>
  13 #include <ModelAPI_ResultBody.h>
  14 #include <ModelAPI_ResultConstruction.h>
  15 #include <ModelAPI_CompositeFeature.h>
  16 #include <GeomAPI_Shape.h>
  17 #include <GeomAPI_PlanarEdges.h>
  18 #include <Events_Error.h>
  19
  20 #include <TNaming_Selector.hxx>
  21 #include <TNaming_NamedShape.hxx>
  22 #include <TNaming_Tool.hxx>
  23 #include <TNaming_Builder.hxx>
  24 #include <TNaming_Localizer.hxx>
  25 #include <TopoDS_Shape.hxx>
  26 #include <TopoDS_Compound.hxx>
  27 #include <TDataStd_IntPackedMap.hxx>
  28 #include <TDataStd_Integer.hxx>
  29 #include <TDataStd_UAttribute.hxx>
  30 #include <TDataStd_Name.hxx>
  31 #include <TopTools_MapOfShape.hxx>
  32 #include <TopTools_IndexedMapOfShape.hxx>
  33 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  34 #include <TopTools_ListOfShape.hxx>
  35 #include <TopExp_Explorer.hxx>
  36 #include <TDF_LabelMap.hxx>
  37 #include <BRep_Tool.hxx>
  38 #include <BRep_Builder.hxx>
  39 #include <TopoDS_Edge.hxx>
  40 #include <TopoDS.hxx>
  41 #include <TopExp.hxx>
  42 #include <TColStd_MapOfTransient.hxx>
  43 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  44 #include <TopTools_ListIteratorOfListOfShape.hxx>
  45 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
  46 #include <gp_Pnt.hxx>
  47 #include <Precision.hxx>
  48 #include <TDF_ChildIterator.hxx>
  49 #include <TDF_ChildIDIterator.hxx>
  50 #include <TDataStd_Name.hxx>
  51 #include <TopAbs_ShapeEnum.hxx>
  52 #include <TopoDS_Iterator.hxx>
  53 #include <TNaming_Iterator.hxx>
  54 using namespace std;
  55 //#define DEB_NAMING 1
  56 #ifdef DEB_NAMING
  57 #include <BRepTools.hxx>
  58 #endif
  59 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
  60 /// (multiplied by the index of the edge)
  61 static const int kSTART_VERTEX_DELTA = 1000000;
  62 // identifier that there is simple reference: selection equals to context
  63 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  64 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
  65
  66 // on this label is stored:
  67 // TNaming_NamedShape - selected shape
  68 // TNaming_Naming - topological selection information (for the body)
  69 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
  70 // TDataStd_Integer - type of the selected shape (for construction)
  71 // TDF_Reference - from ReferenceAttribute, the context
  72 #define DDDD 1
  73 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
  74   const std::shared_ptr<GeomAPI_Shape>& theSubShape)
  75 {
  76   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
  77   bool isOldContext = theContext == myRef.value();
  78   bool isOldShape = isOldContext &&
  79     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
  80   if (isOldShape) return; // shape is the same, so context is also unchanged
  81   // update the referenced object if needed
  82   if (!isOldContext)
  83     myRef.setValue(theContext);
  84
  85   // do noth use naming if selected shape is result shape itself, but not sub-shape
  86   TDF_Label aSelLab = selectionLabel();
  87   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
  88   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
  89
  90   bool isDegeneratedEdge = false;
  91   // do not use the degenerated edge as a shape, a null context and shape is used in the case
  92   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
  93     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
  94     if (aSubShape.ShapeType() == TopAbs_EDGE)
  95       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape));
  96   }
  97   if (!theContext.get() || isDegeneratedEdge) {
  98     // to keep the reference attribute label
  99     TDF_Label aRefLab = myRef.myRef->Label();
 100     aSelLab.ForgetAllAttributes(true);
 101     myRef.myRef = TDF_Reference::Set(aSelLab, aSelLab);
 102     return;
 103   }
 104   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 105     // do not select the whole shape for body:it is already must be in the data framework
 106     if (theContext->shape().get() && theContext->shape()->isEqual(theSubShape)) {
 107       aSelLab.ForgetAllAttributes(true);
 108       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 109     } else {
 110       selectBody(theContext, theSubShape);
 111     }
 112   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 113     if (!theSubShape.get()) {
 114       // to sub, so the whole result is selected
 115       aSelLab.ForgetAllAttributes(true);
 116       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
 117     } else {
 118       selectConstruction(theContext, theSubShape);
 119     }
 120   }
 121   //the attribute initialized state should be changed by sendAttributeUpdated only
 122   //myIsInitialized = true;
 123
 124   std::string aSelName = namingName();
 125   if(!aSelName.empty())
 126     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 127 #ifdef DDDD
 128   //####
 129   //selectSubShape("FACE",  "Extrusion_1/LateralFace_3");
 130   //selectSubShape("FACE",  "Extrusion_1/TopFace");
 131   //selectSubShape("EDGE", "Extrusion_1/TopFace|Extrusion_1/LateralFace_1");
 132   //selectSubShape("EDGE", "Sketch_1/Edge_6");
 133 #endif
 134   owner()->data()->sendAttributeUpdated(this);
 135 }
 136
 137 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 138 {
 139   std::shared_ptr<GeomAPI_Shape> aResult;
 140   if (myIsInitialized) {
 141     TDF_Label aSelLab = selectionLabel();
 142     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 143       ResultPtr aContext = context();
 144       if (!aContext.get())
 145         return aResult; // empty result
 146       return aContext->shape();
 147     }
 148     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
 149         return aResult; // empty result
 150     }
 151
 152     Handle(TNaming_NamedShape) aSelection;
 153     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 154       TopoDS_Shape aSelShape = aSelection->Get();
 155       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 156       aResult->setImpl(new TopoDS_Shape(aSelShape));
 157     } else { // for simple construction element: just shape of this construction element
 158       ResultConstructionPtr aConstr =
 159         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
 160       if (aConstr) {
 161         return aConstr->shape();
 162       }
 163     }
 164   }
 165   return aResult;
 166 }
 167
 168 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 169   : myRef(theLabel)
 170 {
 171   myIsInitialized = myRef.isInitialized();
 172 }
 173
 174 ResultPtr Model_AttributeSelection::context() {
 175   return std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 176 }
 177
 178
 179 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 180 {
 181   ModelAPI_AttributeSelection::setObject(theObject);
 182   myRef.setObject(theObject);
 183 }
 184
 185 TDF_LabelMap& Model_AttributeSelection::scope()
 186 {
 187   if (myScope.IsEmpty()) { // create a new scope if not yet done
 188     // gets all labels with named shapes that are bofore this feature label (before in history)
 189     TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 190       owner()->data())->label().Father();
 191     int aFeatureID = aFeatureLab.Tag();
 192     TDF_ChildIterator aFeaturesIter(aFeatureLab.Father());
 193     for(; aFeaturesIter.More(); aFeaturesIter.Next()) {
 194       if (aFeaturesIter.Value().Tag() >= aFeatureID) // the left labels are created later
 195         break;
 196       TDF_ChildIDIterator aNSIter(aFeaturesIter.Value(), TNaming_NamedShape::GetID(), 1);
 197       for(; aNSIter.More(); aNSIter.Next()) {
 198         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 199         if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 200           myScope.Add(aNS->Label());
 201         }
 202       }
 203     }
 204   }
 205   return myScope;
 206 }
 207
 208 bool Model_AttributeSelection::update()
 209 {
 210   ResultPtr aContext = context();
 211   if (!aContext.get()) return false;
 212   TDF_Label aSelLab = selectionLabel();
 213   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 214     return aContext->shape() && !aContext->shape()->isNull();
 215   }
 216   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
 217     return aContext->shape() && !aContext->shape()->isNull();
 218   }
 219
 220   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 221     // body: just a named shape, use selection mechanism from OCCT
 222     TNaming_Selector aSelector(aSelLab);
 223     bool aResult = aSelector.Solve(scope()) == Standard_True;
 224     owner()->data()->sendAttributeUpdated(this);
 225     return aResult;
 226   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 227     // construction: identification by the results indexes, recompute faces and
 228     // take the face that more close by the indexes
 229     ResultConstructionPtr aConstructionContext =
 230       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
 231     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
 232     // sketch sub-element
 233     if (aConstructionContext &&
 234         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
 235     {
 236       TDF_Label aLab = myRef.myRef->Label();
 237       // getting a type of selected shape
 238       Handle(TDataStd_Integer) aTypeAttr;
 239       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
 240         return false;
 241       }
 242       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
 243       // selected indexes will be needed in each "if"
 244       Handle(TDataStd_IntPackedMap) aSubIds;
 245       std::shared_ptr<GeomAPI_Shape> aNewSelected;
 246       bool aNoIndexes =
 247         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
 248       // for now working only with composite features
 249       CompositeFeaturePtr aComposite =
 250         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 251       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
 252         return false;
 253       }
 254
 255       if (aShapeType == TopAbs_FACE) { // compound is for the whole sketch selection
 256         // If this is a wire with plane defined thin it is a sketch-like object
 257         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
 258           return false;
 259         // if there is no edges indexes, any face can be used: take the first
 260         std::shared_ptr<GeomAPI_Shape> aNewSelected;
 261         if (aNoIndexes) {
 262           aNewSelected = aConstructionContext->face(0);
 263         } else { // searching for most looks-like initial face by the indexes
 264           // prepare edges of the current resut for the fast searching
 265           TColStd_MapOfTransient allCurves;
 266           const int aSubNum = aComposite->numberOfSubs();
 267           for(int a = 0; a < aSubNum; a++) {
 268             if (aSubIds->Contains(aComposite->subFeatureId(a))) {
 269               FeaturePtr aSub = aComposite->subFeature(a);
 270               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 271               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
 272               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
 273                 ResultConstructionPtr aConstr =
 274                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 275                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
 276                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 277                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 278                   if (!anEdge.IsNull()) {
 279                     Standard_Real aFirst, aLast;
 280                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 281                     allCurves.Add(aCurve);
 282                   }
 283                 }
 284               }
 285             }
 286           }
 287           double aBestFound = 0; // best percentage of found edges
 288           for(int aFaceIndex = 0; aFaceIndex < aConstructionContext->facesNum(); aFaceIndex++) {
 289             int aFound = 0, aNotFound = 0;
 290             TopExp_Explorer anEdgesExp(
 291               aConstructionContext->face(aFaceIndex)->impl<TopoDS_Shape>(), TopAbs_EDGE);
 292             for(; anEdgesExp.More(); anEdgesExp.Next()) {
 293               TopoDS_Edge anEdge = TopoDS::Edge(anEdgesExp.Current());
 294               if (!anEdge.IsNull()) {
 295                 Standard_Real aFirst, aLast;
 296                 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 297                 if (allCurves.Contains(aCurve)) {
 298                   aFound++;
 299                 } else {
 300                   aNotFound++;
 301                 }
 302               }
 303             }
 304             if (aFound + aNotFound != 0) {
 305               double aPercentage = double(aFound) / double(aFound + aNotFound);
 306               if (aPercentage > aBestFound) {
 307                 aBestFound = aPercentage;
 308                 aNewSelected = aConstructionContext->face(aFaceIndex);
 309               }
 310             }
 311           }
 312         }
 313         if (aNewSelected) { // store this new selection
 314           selectConstruction(aContext, aNewSelected);
 315           owner()->data()->sendAttributeUpdated(this);
 316           return true;
 317         }
 318       } else if (aShapeType == TopAbs_EDGE) {
 319         // just reselect the edge by the id
 320         const int aSubNum = aComposite->numberOfSubs();
 321         for(int a = 0; a < aSubNum; a++) {
 322           // if aSubIds take any, the first appropriate
 323           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
 324             // found the appropriate feature
 325             FeaturePtr aFeature = aComposite->subFeature(a);
 326             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 327               aFeature->results().cbegin();
 328             for(;aResIter != aFeature->results().cend(); aResIter++) {
 329               ResultConstructionPtr aRes =
 330                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 331               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
 332                 selectConstruction(aContext, aRes->shape());
 333                 owner()->data()->sendAttributeUpdated(this);
 334                 return true;
 335               }
 336             }
 337           }
 338         }
 339       } else if (aShapeType == TopAbs_VERTEX) {
 340         // just reselect the vertex by the id of edge
 341         const int aSubNum = aComposite->numberOfSubs();
 342         for(int a = 0; a < aSubNum; a++) {
 343           // if aSubIds take any, the first appropriate
 344           int aFeatureID = aComposite->subFeatureId(a);
 345           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
 346             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
 347             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
 348               // searching for deltas
 349               int aVertexNum = 0;
 350               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
 351               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
 352               // found the feature with appropriate edge
 353               FeaturePtr aFeature = aComposite->subFeature(a);
 354               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
 355                 aFeature->results().cbegin();
 356               for(;aResIter != aFeature->results().cend(); aResIter++) {
 357                 ResultConstructionPtr aRes =
 358                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
 359                 if (aRes && aRes->shape()) {
 360                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
 361                     selectConstruction(aContext, aRes->shape());
 362                     owner()->data()->sendAttributeUpdated(this);
 363                     return true;
 364                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
 365                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
 366                     int aVIndex = 1;
 367                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 368                       if (aVIndex == aVertexNum) { // found!
 369                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
 370                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
 371                         selectConstruction(aContext, aVertex);
 372                         owner()->data()->sendAttributeUpdated(this);
 373                         return true;
 374                       }
 375                       aVIndex++;
 376                     }
 377                   }
 378                 }
 379               }
 380           }
 381         }
 382       }
 383     } else { // simple construction element: the selected is that needed
 384       selectConstruction(aContext, aContext->shape());
 385       owner()->data()->sendAttributeUpdated(this);
 386       return true;
 387     }
 388   }
 389   return false; // unknown case
 390 }
 391
 392
 393 void Model_AttributeSelection::selectBody(
 394   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 395 {
 396   // perform the selection
 397   TNaming_Selector aSel(selectionLabel());
 398   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : TopoDS_Shape();
 399   TopoDS_Shape aContext;
 400
 401   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
 402   if (aBody) {
 403     aContext = aBody->shape()->impl<TopoDS_Shape>();
 404   } else {
 405     ResultConstructionPtr aConstr =
 406       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myRef.value());
 407     if (aConstr) {
 408       aContext = aConstr->shape()->impl<TopoDS_Shape>();
 409     } else {
 410       Events_Error::send("A result with shape is expected");
 411       return;
 412     }
 413   }
 414   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 415   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 416   if (aFeatureOwner.get())
 417     aFeatureOwner->eraseResults();
 418
 419   aSel.Select(aNewShape, aContext);
 420 }
 421
 422 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
 423 /// if theID is zero,
 424 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
 425   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
 426   std::string theAdditionalName,
 427   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)())
 428 {
 429   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
 430   TNaming_Builder aBuilder(aLab);
 431   aBuilder.Generated(theShape);
 432   std::stringstream aName;
 433   aName<<theContextFeature->name()<<"/";
 434   if (!theAdditionalName.empty())
 435     aName<<theAdditionalName<<"/";
 436   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
 437   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
 438   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
 439
 440   if (theRefs.IsNull()) {
 441     aName<<theID;
 442   } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
 443     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
 444     for(; aRef.More(); aRef.Next()) {
 445       aName<<"-"<<aRef.Key();
 446     }
 447   }
 448
 449   theDoc->addNamingName(aLab, aName.str());
 450   TDataStd_Name::Set(aLab, aName.str().c_str());
 451 }
 452
 453 void Model_AttributeSelection::selectConstruction(
 454   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 455 {
 456   std::shared_ptr<Model_Document> aMyDoc =
 457     std::dynamic_pointer_cast<Model_Document>(owner()->document());
 458   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
 459   CompositeFeaturePtr aComposite =
 460     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
 461   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 462   if (!aComposite || aComposite->numberOfSubs() == 0) {
 463     // saving of context is enough: result construction contains exactly the needed shape
 464     TNaming_Builder aBuilder(selectionLabel());
 465     aBuilder.Generated(aSubShape);
 466     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
 467     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
 468     return;
 469   }
 470   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
 471   TDF_Label aLab = myRef.myRef->Label();
 472   // identify the reuslts of sub-object of the composite by edges
 473   // save type of the selected shape in integer attribute
 474   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
 475   TDataStd_Integer::Set(aLab, (int)aShapeType);
 476   gp_Pnt aVertexPos;
 477   TColStd_MapOfTransient allCurves;
 478   if (aShapeType == TopAbs_VERTEX) { // compare positions
 479     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
 480   } else {
 481     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
 482       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 483       Standard_Real aFirst, aLast;
 484       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 485       allCurves.Add(aCurve);
 486     }
 487   }
 488   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
 489   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
 490   aRefs->Clear();
 491   const int aSubNum = aComposite->numberOfSubs();
 492   for(int a = 0; a < aSubNum; a++) {
 493     FeaturePtr aSub = aComposite->subFeature(a);
 494     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 495     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
 496     // there may be many shapes (circle and center): register if at least one is in selection
 497     for(; aRes != aResults.cend(); aRes++) {
 498       ResultConstructionPtr aConstr =
 499         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
 500       if (!aConstr->shape()) {
 501         continue;
 502       }
 503       if (aShapeType == TopAbs_VERTEX) {
 504         if (aConstr->shape()->isVertex()) { // compare vertices positions
 505           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
 506           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
 507           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 508             aRefs->Add(aComposite->subFeatureId(a));
 509           }
 510         } else { // get first or last vertex of the edge: last is stored with negative sign
 511           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
 512           int aDelta = kSTART_VERTEX_DELTA;
 513           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
 514             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
 515             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
 516               aRefs->Add(aDelta + aComposite->subFeatureId(a));
 517               break;
 518             }
 519             aDelta += kSTART_VERTEX_DELTA;
 520           }
 521         }
 522       } else {
 523         if (aConstr->shape()->isEdge()) {
 524           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
 525           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
 526           if (!anEdge.IsNull()) {
 527             Standard_Real aFirst, aLast;
 528             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 529             if (allCurves.Contains(aCurve)) {
 530               int anID = aComposite->subFeatureId(a);
 531               aRefs->Add(anID);
 532               if (aShapeType != TopAbs_EDGE) { // edge do not need the sub-edges on sub-labels
 533                 // add edges to sub-label to support naming for edges selection
 534                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
 535                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
 536                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
 537                   Standard_Real aFirst, aLast;
 538                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 539                   if (aFaceCurve == aCurve) {
 540                     registerSubShape(selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "");
 541                   }
 542                 }
 543               } else { // put vertices of the selected edge to sub-labels
 544                 // add edges to sub-label to support naming for edges selection
 545                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
 546                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
 547                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
 548                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
 549
 550                   std::stringstream anAdditionalName;
 551                   registerSubShape(selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc,
 552                     "");
 553                 }
 554               }
 555             }
 556           }
 557         }
 558       }
 559     }
 560   }
 561   // store the selected as primitive
 562   TNaming_Builder aBuilder(selectionLabel());
 563   aBuilder.Generated(aSubShape);
 564   registerSubShape(selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", aRefs);
 565 }
 566
 567 TDF_Label Model_AttributeSelection::selectionLabel()
 568 {
 569   return myRef.myRef->Label().FindChild(1);
 570 }
 571
 572 #define FIX_BUG1 1
 573 std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape,
 574   const TDF_Label& theLabel)
 575 {
 576   std::string aName;
 577   // check if the subShape is already in DF
 578   Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
 579   Handle(TDataStd_Name) anAttr;
 580   if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document
 581     if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
 582       aName = TCollection_AsciiString(anAttr->Get()).ToCString();
 583       if(!aName.empty()) {
 584         const TDF_Label& aLabel = theDoc->findNamingName(aName);
 585         /* MPV: the same shape with the same name may be duplicated on different labels (selection of the same construction object)
 586         if(!aLabel.IsEqual(aNS->Label())) {
 587         //aName.erase(); //something is wrong, to be checked!!!
 588         aName += "_SomethingWrong";
 589         return aName;
 590         }*/
 591
 592         static const std::string aPostFix("_");
 593         TNaming_Iterator anItL(aNS);
 594         for(int i = 1; anItL.More(); anItL.Next(), i++) {
 595           if(anItL.NewShape() == theShape) {
 596             aName += aPostFix;
 597             aName += TCollection_AsciiString (i).ToCString();
 598             break;
 599           }
 600         }
 601         /* MPV: the code below does not work because of TNaming_Tool.cxx line 145: aNS->Get() uses maps
 602         const TopoDS_Shape& aShape = aNS->Get();
 603         if(aShape.ShapeType() == TopAbs_COMPOUND) {
 604         std::string aPostFix("_");
 605         TopoDS_Iterator it(aShape);
 606         for (int i = 1;it.More();it.Next(), i++) {
 607         if(it.Value() == theShape) {
 608         aPostFix += TCollection_AsciiString (i).ToCString();
 609         aName    += aPostFix;
 610         break;
 611         }
 612         else continue;
 613         }
 614         }
 615         */
 616       }
 617     }
 618   }
 619   return aName;
 620 }
 621
 622 bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
 623 {
 624   // a trivial case: F1 & F2,  aNumber = 1, i.e. intersection gives 1 edge.
 625   TopoDS_Compound aCmp;
 626   BRep_Builder BB;
 627   BB.MakeCompound(aCmp);
 628   TopTools_ListIteratorOfListOfShape it(theAncestors);
 629   for(;it.More();it.Next()) {
 630     BB.Add(aCmp, it.Value());
 631     theSMap.Add(it.Value());
 632   }
 633   int aNumber(0);
 634   TopTools_IndexedDataMapOfShapeListOfShape aMap2;
 635   TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
 636   for (int i = 1; i <= aMap2.Extent(); i++) {
 637     const TopoDS_Shape& aKey = aMap2.FindKey(i);
 638     const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
 639     if(anAncestors.Extent() > 1) aNumber++;
 640   }
 641   if(aNumber > 1) return false;
 642   return true;
 643 }
 644 std::string Model_AttributeSelection::namingName()
 645 {
 646   std::string aName("");
 647   if(!this->isInitialized()) return aName;
 648   Handle(TDataStd_Name) anAtt;
 649   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
 650     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
 651     return aName;
 652   }
 653
 654   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
 655   ResultPtr aCont = context();
 656   aName = "Undefined name";
 657   if(!aCont.get() || aCont->shape()->isNull())
 658     return aName;
 659   if (!aSubSh.get() || aSubSh->isNull()) { // no subshape, so just the whole feature name
 660     return aCont->data()->name();
 661   }
 662   TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
 663   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
 664 #ifdef DEB_NAMING
 665   if(aSubShape.ShapeType() == TopAbs_COMPOUND) {
 666   BRepTools::Write(aSubShape, "Selection.brep");
 667   BRepTools::Write(aContext, "Context.brep");
 668   }
 669 #endif
 670   std::shared_ptr<Model_Document> aDoc =
 671     std::dynamic_pointer_cast<Model_Document>(aCont->document());
 672
 673   // check if the subShape is already in DF
 674   aName = GetShapeName(aDoc, aSubShape, selectionLabel());
 675   if(aName.empty() ) { // not in the document!
 676     TopAbs_ShapeEnum aType = aSubShape.ShapeType();
 677     switch (aType) {
 678     case TopAbs_FACE:
 679       // the Face should be in DF. If it is not the case, it is an error ==> to be debugged
 680                 break;
 681           case TopAbs_EDGE:
 682                   {
 683                   // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
 684                   // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
 685                   if (BRep_Tool::Degenerated(TopoDS::Edge(aSubShape))) {
 686                           aName = "Degenerated_Edge";
 687                           break;
 688                   }
 689                   TopTools_IndexedDataMapOfShapeListOfShape aMap;
 690                   TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
 691                   TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
 692                   bool isTrivialCase(true);
 693 /*                for (int i = 1; i <= aMap.Extent(); i++) {
 694                         const TopoDS_Shape& aKey = aMap.FindKey(i);
 695                         //if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
 696                         if (aKey.IsSame(aSubShape)) continue;
 697             const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
 698                         // check that it is not a trivial case (F1 & F2: aNumber = 1)
 699                         isTrivialCase = isTrivial(anAncestors, aSMap);
 700                         break;
 701                   }*/
 702                   if(aMap.Contains(aSubShape)) {
 703                         const TopTools_ListOfShape& anAncestors = aMap.FindFromKey(aSubShape);
 704                         // check that it is not a trivial case (F1 & F2: aNumber = 1)
 705                         isTrivialCase = isTrivial(anAncestors, aSMap);
 706                   } else
 707                           break;
 708                   TopTools_ListOfShape aListOfNbs;
 709                   if(!isTrivialCase) { // find Neighbors
 710                         TNaming_Localizer aLocalizer;
 711                         TopTools_MapOfShape aMap3;
 712                         aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
 713                         //int n = aMap3.Extent();
 714                         TopTools_MapIteratorOfMapOfShape it(aMap3);
 715                         for(;it.More();it.Next()) {
 716                           const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
 717                           //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
 718                           const TopTools_ListOfShape& aList  = aMap.FindFromKey(aNbShape);
 719                           TopTools_ListIteratorOfListOfShape it2(aList);
 720                           for(;it2.More();it2.Next()) {
 721                                 if(aSMap.Contains(it2.Value())) continue; // skip this Face
 722                                 aListOfNbs.Append(it2.Value());
 723                           }
 724                         }
 725                   }  // else a trivial case
 726
 727                   // build name of the sub-shape Edge
 728                   for(int i=1; i <= aSMap.Extent(); i++) {
 729                         const TopoDS_Shape& aFace = aSMap.FindKey(i);
 730                         std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 731                         if(i == 1)
 732                           aName = aFaceName;
 733                         else
 734                           aName += "|" + aFaceName;
 735                   }
 736                   TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
 737                   for (;itl.More();itl.Next()) {
 738                         std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
 739                         aName += "|" + aFaceName;
 740                   }
 741                   }
 742                   break;
 743
 744     case TopAbs_VERTEX:
 745       // name structure (Monifold Topology):
 746       // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
 747       // 2) F1 | F2 | F3 [|F4 [|Fn]] - redundant definition, but it should be kept as is to obtain safe recomputation
 748       // 2) F1 | F2      - intersection of 2 faces definses a vertex - applicable for case
 749       //                   when 1 faces is cylindrical, conical, spherical or revolution and etc.
 750       // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
 751       //                   or compound of 2 open faces.
 752       // 4) E1 | E2      - intesection of 2 edges defines a vertex - when we have a case of
 753       //                   two independent edges (wire or compound)
 754       // implemented 2 first cases
 755       {
 756         TopTools_IndexedDataMapOfShapeListOfShape aMap;
 757         TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
 758         const TopTools_ListOfShape& aList2  = aMap.FindFromKey(aSubShape);
 759         TopTools_ListOfShape aList;
 760         TopTools_MapOfShape aFMap;
 761 #ifdef FIX_BUG1
 762         //int n = aList2.Extent(); //bug! duplication
 763         // fix is below
 764         TopTools_ListIteratorOfListOfShape itl2(aList2);
 765         for (int i = 1;itl2.More();itl2.Next(),i++) {
 766           if(aFMap.Add(itl2.Value()))
 767             aList.Append(itl2.Value());
 768         }
 769         //n = aList.Extent();
 770 #endif
 771         int n = aList.Extent();
 772         if(n < 3) { // open topology case or Compound case => via edges
 773           TopTools_IndexedDataMapOfShapeListOfShape aMap;
 774           TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_EDGE, aMap);
 775           const TopTools_ListOfShape& aList22  = aMap.FindFromKey(aSubShape);
 776           if(aList22.Extent() >= 2)  { // regular solution
 777 #ifdef FIX_BUG1
 778
 779             // bug! duplication; fix is below
 780             aFMap.Clear();
 781             TopTools_ListOfShape aListE;
 782             TopTools_ListIteratorOfListOfShape itl2(aList22);
 783             for (int i = 1;itl2.More();itl2.Next(),i++) {
 784               if(aFMap.Add(itl2.Value()))
 785                 aListE.Append(itl2.Value());
 786             }
 787             n = aListE.Extent();
 788 #endif
 789             TopTools_ListIteratorOfListOfShape itl(aListE);
 790             for (int i = 1;itl.More();itl.Next(),i++) {
 791               const TopoDS_Shape& anEdge = itl.Value();
 792               std::string anEdgeName = GetShapeName(aDoc, anEdge, selectionLabel());
 793               if(i == 1)
 794                 aName = anEdgeName;
 795               else
 796                 aName += "|" + anEdgeName;
 797             }
 798           }//reg
 799           else { // dangle vertex: if(aList22.Extent() == 1)
 800             //it should be already in DF
 801           }
 802         }
 803         else {
 804           TopTools_ListIteratorOfListOfShape itl(aList);
 805           for (int i = 1;itl.More();itl.Next(),i++) {
 806             const TopoDS_Shape& aFace = itl.Value();
 807             std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
 808             if(i == 1)
 809               aName = aFaceName;
 810             else
 811               aName += "|" + aFaceName;
 812           }
 813         }
 814       }
 815       break;
 816     }
 817     // register name
 818     // aDoc->addNamingName(selectionLabel(), aName);
 819     // the selected sub-shape will not be shared and as result it will not require registration
 820   }
 821   return aName;
 822 }
 823
 824 TopAbs_ShapeEnum translateType (const std::string& theType)
 825 {
 826   // map from the textual shape types to OCCT enumeration
 827   static std::map<std::string, TopAbs_ShapeEnum> MyShapeTypes;
 828   if (MyShapeTypes.size() == 0) {
 829     MyShapeTypes["face"] = TopAbs_FACE;
 830     MyShapeTypes["faces"] = TopAbs_FACE;
 831     MyShapeTypes["vertex"] = TopAbs_VERTEX;
 832     MyShapeTypes["vertices"] = TopAbs_VERTEX;
 833     MyShapeTypes["wire"] = TopAbs_WIRE;
 834     MyShapeTypes["edge"] = TopAbs_EDGE;
 835     MyShapeTypes["edges"] = TopAbs_EDGE;
 836     MyShapeTypes["shell"] = TopAbs_SHELL;
 837     MyShapeTypes["solid"] = TopAbs_SOLID;
 838     MyShapeTypes["solids"] = TopAbs_SOLID;
 839     MyShapeTypes["FACE"] = TopAbs_FACE;
 840     MyShapeTypes["FACES"] = TopAbs_FACE;
 841     MyShapeTypes["VERTEX"] = TopAbs_VERTEX;
 842     MyShapeTypes["VERTICES"] = TopAbs_VERTEX;
 843     MyShapeTypes["WIRE"] = TopAbs_WIRE;
 844     MyShapeTypes["EDGE"] = TopAbs_EDGE;
 845     MyShapeTypes["EDGES"] = TopAbs_EDGE;
 846     MyShapeTypes["SHELL"] = TopAbs_SHELL;
 847     MyShapeTypes["SOLID"] = TopAbs_SOLID;
 848     MyShapeTypes["SOLIDS"] = TopAbs_SOLID;
 849   }
 850   if (MyShapeTypes.find(theType) != MyShapeTypes.end())
 851     return MyShapeTypes[theType];
 852   Events_Error::send("Shape type defined in XML is not implemented!");
 853   return TopAbs_SHAPE;
 854 }
 855
 856 const TopoDS_Shape getShapeFromNS(
 857   const std::string& theSubShapeName, Handle(TNaming_NamedShape) theNS)
 858 {
 859   TopoDS_Shape aSelection;
 860   std::string::size_type n = theSubShapeName.rfind('/');
 861   if (n == std::string::npos) n = 0;
 862   std::string aSubString = theSubShapeName.substr(n + 1);
 863   n = aSubString.rfind('_');
 864   if (n == std::string::npos) return aSelection;
 865   aSubString = aSubString.substr(n+1);
 866   int indx = atoi(aSubString.c_str());
 867
 868   TNaming_Iterator anItL(theNS);
 869   for(int i = 1; anItL.More(); anItL.Next(), i++) {
 870     if (i == indx) {
 871       return anItL.NewShape();
 872     }
 873   }
 874   return aSelection;
 875 }
 876
 877 const TopoDS_Shape findFaceByName(
 878   const std::string& theSubShapeName, std::shared_ptr<Model_Document> theDoc)
 879 {
 880   TopoDS_Shape aFace;
 881   std::string::size_type n, nb = theSubShapeName.rfind('/');
 882   if (nb == std::string::npos) nb = 0;
 883   std::string aSubString = theSubShapeName.substr(nb + 1);
 884   n = aSubString.rfind('_');
 885   if (n != std::string::npos) {
 886     std::string aSubStr2 = aSubString.substr(0, n);
 887     aSubString  = theSubShapeName.substr(0, nb + 1);
 888     aSubString = aSubString + aSubStr2;
 889   } else
 890     aSubString = theSubShapeName;
 891
 892   const TDF_Label& aLabel = theDoc->findNamingName(aSubString);
 893   if(aLabel.IsNull()) return aFace;
 894   Handle(TNaming_NamedShape) aNS;
 895   if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 896     aFace = getShapeFromNS(theSubShapeName, aNS);
 897   }
 898   return aFace;
 899 }
 900
 901 int ParseName(const std::string& theSubShapeName,   std::list<std::string>& theList)
 902 {
 903   std::string aName = theSubShapeName;
 904   std::string aLastName;
 905   int n1(0), n2(0); // n1 - start position, n2 - position of the delimiter
 906   while ((n2 = aName.find('|', n1)) != std::string::npos) {
 907     const std::string aName1 = aName.substr(n1, n2 - n1); //name of face
 908     theList.push_back(aName1);
 909     n1 = n2 + 1;
 910     aLastName = aName.substr(n1);
 911   }
 912   if(!aLastName.empty())
 913     theList.push_back(aLastName);
 914   return theList.size();
 915 }
 916
 917 const TopoDS_Shape findCommonShape(
 918   const TopAbs_ShapeEnum theType, const TopTools_ListOfShape& theList)
 919 {
 920   TopoDS_Shape aShape;
 921   std::vector<TopTools_MapOfShape> aVec;
 922   TopTools_MapOfShape aMap1, aMap2, aMap3, aMap4;
 923   if(theList.Extent() > 1) {
 924     aVec.push_back(aMap1);
 925     aVec.push_back(aMap2);
 926   }
 927   if(theList.Extent() > 2)
 928     aVec.push_back(aMap3);
 929   if(theList.Extent() == 4)
 930     aVec.push_back(aMap4);
 931
 932   //fill maps
 933   TopTools_ListIteratorOfListOfShape it(theList);
 934   for(int i = 0;it.More();it.Next(),i++) {
 935     const TopoDS_Shape& aFace = it.Value();
 936     if(i < 2) {
 937       TopExp_Explorer anExp (aFace, theType);
 938       for(;anExp.More();anExp.Next()) {
 939         const TopoDS_Shape& anEdge = anExp.Current();
 940         if (!anEdge.IsNull())
 941           aVec[i].Add(anExp.Current());
 942       }
 943     } else {
 944       TopExp_Explorer anExp (aFace, TopAbs_VERTEX);
 945       for(;anExp.More();anExp.Next()) {
 946         const TopoDS_Shape& aVertex = anExp.Current();
 947         if (!aVertex.IsNull())
 948           aVec[i].Add(anExp.Current());
 949       }
 950     }
 951   }
 952   //trivial case: 2 faces
 953   TopTools_ListOfShape aList;
 954   TopTools_MapIteratorOfMapOfShape it2(aVec[0]);
 955   for(;it2.More();it2.Next()) {
 956     if(aVec[1].Contains(it2.Key())) {
 957       aShape = it2.Key();
 958       if(theList.Extent() == 2)
 959         break;
 960       else
 961         aList.Append(it2.Key());
 962     }
 963   }
 964   if(aList.Extent() && aVec.size() > 3) {// list of common edges ==> search ny neighbors
 965     if(aVec[2].Extent() && aVec[3].Extent()) {
 966       TopTools_ListIteratorOfListOfShape it(aList);
 967       for(;it.More();it.Next()) {
 968         const TopoDS_Shape& aCand = it.Value();
 969         // not yet completelly implemented, to be rechecked
 970         TopoDS_Vertex aV1, aV2;
 971         TopExp::Vertices(TopoDS::Edge(aCand), aV1, aV2);
 972         int aNum(0);
 973         if(aVec[2].Contains(aV1)) aNum++;
 974         else if(aVec[2].Contains(aV2)) aNum++;
 975         if(aVec[3].Contains(aV1)) aNum++;
 976         else if(aVec[3].Contains(aV2)) aNum++;
 977         if(aNum == 2) {
 978           aShape = aCand;
 979           break;
 980         }
 981       }
 982     }
 983   }
 984
 985   if(aList.Extent() && aVec.size() == 3) {
 986
 987     TopTools_ListIteratorOfListOfShape it(aList);
 988     for(;it.More();it.Next()) {
 989       const TopoDS_Shape& aCand = it.Value();
 990       if(aVec[2].Contains(aCand)) {
 991         aShape = aCand;
 992         break;
 993       }
 994     }
 995   }
 996   return aShape;
 997 }
 998
 999 std::string getContextName(const std::string& theSubShapeName)
1000 {
1001   std::string aName;
1002   std::string::size_type n = theSubShapeName.find('/');
1003   if (n == std::string::npos) return aName;
1004   aName = theSubShapeName.substr(0, n);
1005   return aName;
1006 }
1007 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
1008 void Model_AttributeSelection::selectSubShape(
1009   const std::string& theType, const std::string& theSubShapeName)
1010 {
1011   if(theSubShapeName.empty() || theType.empty()) return;
1012   TopAbs_ShapeEnum aType = translateType(theType);
1013   std::shared_ptr<Model_Document> aDoc =
1014     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1015   std::string aContName = getContextName(theSubShapeName);
1016   if(aContName.empty()) return;
1017   //ResultPtr aCont = context();
1018   ResultPtr aCont = aDoc->findByName(aContName);
1019   if(!aCont.get() || aCont->shape()->isNull()) return;
1020   TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
1021   TopAbs_ShapeEnum aContType = aContext.ShapeType();
1022   if(aType <= aContType) return; // not applicable
1023
1024
1025   TopoDS_Shape aSelection;
1026   switch (aType)
1027   {
1028   case TopAbs_COMPOUND:
1029     break;
1030   case TopAbs_COMPSOLID:
1031     break;
1032   case TopAbs_SOLID:
1033     break;
1034   case TopAbs_SHELL:
1035     break;
1036   case TopAbs_FACE:
1037     {
1038       const TopoDS_Shape aSelection = findFaceByName(theSubShapeName, aDoc);
1039       if(!aSelection.IsNull()) {// Select it
1040         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1041         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1042         setValue(aCont, aShapeToBeSelected);
1043       }
1044     }
1045     break;
1046   case TopAbs_WIRE:
1047     break;
1048   case TopAbs_EDGE:
1049     {
1050       TopoDS_Shape aSelection;// = findFaceByName(theSubShapeName, aDoc);
1051       const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1052       if(!aLabel.IsNull()) {
1053         Handle(TNaming_NamedShape) aNS;
1054         if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1055           aSelection = getShapeFromNS(theSubShapeName, aNS);
1056         }
1057       }
1058       if(aSelection.IsNull()) {
1059         std::list<std::string> aListofNames;
1060         int n = ParseName(theSubShapeName, aListofNames);
1061         if(n > 1 && n < 5) {
1062           TopTools_ListOfShape aList;
1063           std::list<std::string>::iterator it =aListofNames.begin();
1064           for(;it != aListofNames.end();it++){
1065             const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1066             aList.Append(aFace);
1067           }
1068           aSelection = findCommonShape(TopAbs_EDGE, aList);
1069         }
1070       }
1071       if(!aSelection.IsNull()) {// Select it
1072         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1073         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1074         setValue(aCont, aShapeToBeSelected);
1075       }
1076     }
1077     break;
1078   case TopAbs_VERTEX:
1079     {
1080       TopoDS_Shape aSelection;
1081       const TDF_Label& aLabel = aDoc->findNamingName(theSubShapeName);
1082       if(!aLabel.IsNull()) {
1083         Handle(TNaming_NamedShape) aNS;
1084         if(aLabel.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
1085           aSelection = getShapeFromNS(theSubShapeName, aNS);
1086         }
1087       }
1088       if(aSelection.IsNull()) {
1089         std::list<std::string> aListofNames;
1090         int n = ParseName(theSubShapeName, aListofNames);
1091         if(n > 1 && n < 4) { // 2 || 3
1092           TopTools_ListOfShape aList;
1093           std::list<std::string>::iterator it = aListofNames.begin();
1094           for(; it != aListofNames.end(); it++){
1095             const TopoDS_Shape aFace = findFaceByName(*it, aDoc);
1096             if(!aFace.IsNull())
1097               aList.Append(aFace);
1098           }
1099           aSelection = findCommonShape(TopAbs_VERTEX, aList);
1100         }
1101       }
1102       if(!aSelection.IsNull()) {// Select it
1103         std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected(new GeomAPI_Shape());
1104         aShapeToBeSelected->setImpl(new TopoDS_Shape(aSelection));
1105         setValue(aCont, aShapeToBeSelected);
1106       }
1107     }
1108     break;
1109   default: //TopAbs_SHAPE
1110     return;
1111   }
1112
1113 }
1114
1115 int Model_AttributeSelection::Id()
1116 {
1117   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1118   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
1119   const TopoDS_Shape& aMainShape = aContext->impl<TopoDS_Shape>();
1120   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1121   int anID = 0;
1122   if (aSelection && !aSelection->isNull() &&
1123     aContext   && !aContext->isNull())
1124   {
1125     TopTools_IndexedMapOfShape aSubShapesMap;
1126     TopExp::MapShapes(aMainShape, aSubShapesMap);
1127     anID = aSubShapesMap.FindIndex(aSubShape);
1128   }
1129   return anID;
1130 }