src/Model/Model_AttributeSelection.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "Model_AttributeSelection.h"
  22 #include "Model_Application.h"
  23 #include "Model_Events.h"
  24 #include "Model_Data.h"
  25 #include "Model_Document.h"
  26 #include "Model_SelectionNaming.h"
  27 #include <Model_Objects.h>
  28 #include <Model_AttributeSelectionList.h>
  29 #include <Model_ResultConstruction.h>
  30 #include <ModelAPI_Feature.h>
  31 #include <ModelAPI_ResultBody.h>
  32 #include <ModelAPI_ResultBody.h>
  33 #include <ModelAPI_ResultConstruction.h>
  34 #include <ModelAPI_ResultPart.h>
  35 #include <ModelAPI_CompositeFeature.h>
  36 #include <ModelAPI_Tools.h>
  37 #include <ModelAPI_Session.h>
  38 #include <ModelAPI_Validator.h>
  39 #include <ModelGeomAlgo_Shape.h>
  40 #include <Events_InfoMessage.h>
  41 #include <GeomAPI_Edge.h>
  42 #include <GeomAPI_Pnt.h>
  43 #include <GeomAPI_Vertex.h>
  44 #include <GeomAlgoAPI_CompoundBuilder.h>
  45 #include <GeomAlgoAPI_NExplode.h>
  46 #include <Selector_Selector.h>
  47
  48 #include <TNaming_Selector.hxx>
  49 #include <TNaming_NamedShape.hxx>
  50 #include <TNaming_Tool.hxx>
  51 #include <TNaming_Builder.hxx>
  52 #include <TNaming_SameShapeIterator.hxx>
  53 #include <TNaming_Iterator.hxx>
  54 #include <TDataStd_Integer.hxx>
  55 #include <TDataStd_UAttribute.hxx>
  56 #include <TDataStd_Name.hxx>
  57 #include <TopTools_ListOfShape.hxx>
  58 #include <TopTools_DataMapOfShapeShape.hxx>
  59 #include <TopTools_MapOfShape.hxx>
  60 #include <TopExp_Explorer.hxx>
  61 #include <BRep_Tool.hxx>
  62 #include <TopoDS.hxx>
  63 #include <TopExp.hxx>
  64 #include <TDF_ChildIterator.hxx>
  65 #include <TDF_ChildIDIterator.hxx>
  66 #include <TopoDS_Iterator.hxx>
  67 #include <TDF_ChildIDIterator.hxx>
  68 #include <Geom_Circle.hxx>
  69 #include <Geom_Ellipse.hxx>
  70 #include <BRep_Builder.hxx>
  71
  72 //#define DEB_NAMING 1
  73 #ifdef DEB_NAMING
  74 #include <BRepTools.hxx>
  75 #endif
  76 /// added to the index in the packed map to signalize that the vertex of edge is selected
  77 /// (multiplied by the index of the edge)
  78 static const int kSTART_VERTEX_DELTA = 1000000;
  79 // identifier that there is simple reference: selection equals to context
  80 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
  81 // reference to Part sub-object
  82 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
  83 // selection is invalid after recomputation
  84 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
  85
  86 // identifier of the selection of the center of circle on edge
  87 Standard_GUID kCIRCLE_CENTER("d0d0e0f1-217a-4b95-8fbb-0c4132f23718");
  88 // identifier of the selection of the first focus point of ellipse on edge
  89 Standard_GUID kELLIPSE_CENTER1("f70df04c-3168-4dc9-87a4-f1f840c1275d");
  90 // identifier of the selection of the second focus point of ellipse on edge
  91 Standard_GUID kELLIPSE_CENTER2("1395ae73-8e02-4cf8-b204-06ff35873a32");
  92 // identifier of the weak naming index
  93 Standard_GUID kWEAK_NAMING("9dcdd9be-a3a9-46eb-9b16-1c957ab20142");
  94 // identifier of the weak naming sub-shape type
  95 Standard_GUID kWEAK_NAMING_SHAPETYPE("6b9cc709-e320-4a1f-9c42-df5622369ea7");
  96
  97 // prefix for the whole feature context identification
  98 const static std::string kWHOLE_FEATURE = "all-in-";
  99
 100 // on this label is stored:
 101 // TNaming_NamedShape - selected shape
 102 // TNaming_Naming - topological selection information (for the body)
 103 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
 104 // TDataStd_Integer - type of the selected shape (for construction)
 105 // TDF_Reference - from ReferenceAttribute, the context
 106 bool Model_AttributeSelection::setValue(const ObjectPtr& theContext,
 107   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
 108 {
 109   if (theTemporarily &&
 110       (!theContext.get() || theContext->groupName() != ModelAPI_Feature::group())) {
 111     // just keep the stored without DF update
 112     myTmpContext = std::dynamic_pointer_cast<ModelAPI_Result>(theContext);
 113     myTmpSubShape = theSubShape;
 114     owner()->data()->sendAttributeUpdated(this);
 115     return true;
 116   } else {
 117     myTmpContext.reset();
 118     myTmpSubShape.reset();
 119     myTmpCenterType = NOT_CENTER;
 120   }
 121
 122   CenterType aType;
 123   const std::shared_ptr<GeomAPI_Shape>& anOldShape = internalValue(aType);
 124   bool isOldContext = theContext == myRef.value();
 125   bool isOldShape = isOldContext &&
 126     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
 127   if (isOldShape) return false; // shape is the same, so context is also unchanged
 128   bool aToUnblock = false;
 129   // update the referenced object if needed
 130   if (!isOldContext) {
 131     aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
 132     myRef.setValue(theContext);
 133   }
 134
 135   // do noth use naming if selected shape is result shape itself, but not sub-shape
 136   TDF_Label aSelLab = selectionLabel();
 137   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
 138   aSelLab.ForgetAttribute(kINVALID_SELECTION);
 139   aSelLab.ForgetAttribute(kCIRCLE_CENTER);
 140   aSelLab.ForgetAttribute(kELLIPSE_CENTER1);
 141   aSelLab.ForgetAttribute(kELLIPSE_CENTER2);
 142   aSelLab.ForgetAttribute(kWEAK_NAMING);
 143   aSelLab.ForgetAttribute(kWEAK_NAMING_SHAPETYPE);
 144
 145   bool isDegeneratedEdge = false;
 146   // do not use the degenerated edge as a shape, a null context and shape is used in the case
 147   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
 148     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
 149     if (aSubShape.ShapeType() == TopAbs_EDGE)
 150       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
 151   }
 152   if (!theContext.get() || isDegeneratedEdge) {
 153     // to keep the reference attribute label
 154     TDF_Label aRefLab = myRef.myRef->Label();
 155     aSelLab.ForgetAllAttributes(true);
 156     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
 157     if (aToUnblock)
 158       owner()->data()->blockSendAttributeUpdated(false);
 159     return false;
 160   }
 161   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
 162     ResultBodyPtr aContextBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);
 163     // do not select the whole shape for body:it is already must be in the data framework
 164     // equal and null selected objects mean the same: object is equal to context,
 165     if (aContextBody->shape().get() &&
 166         (aContextBody->shape()->isEqual(theSubShape) || !theSubShape.get())) {
 167       aSelLab.ForgetAllAttributes(true);
 168       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
 169     } else {
 170       selectBody(aContextBody, theSubShape);
 171     }
 172   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
 173     ResultConstructionPtr aContextConstruction =
 174       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
 175     aSelLab.ForgetAllAttributes(true); // to remove old selection data
 176     std::shared_ptr<Model_ResultConstruction> aConstruction =
 177       std::dynamic_pointer_cast<Model_ResultConstruction>(theContext);
 178     std::shared_ptr<GeomAPI_Shape> aSubShape;
 179     if (theSubShape.get() && !aContextConstruction->shape()->isEqual(theSubShape))
 180       aSubShape = theSubShape; // the whole context
 181     if (aConstruction->isInfinite()) {
 182       // For correct naming selection, put the shape into the naming structure.
 183       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
 184       TNaming_Builder aBuilder(aSelLab);
 185       aBuilder.Generated(aContextConstruction->shape()->impl<TopoDS_Shape>());
 186     }
 187     int anIndex = aConstruction->select(theSubShape, owner()->document());
 188     TDataStd_Integer::Set(aSelLab, anIndex);
 189   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
 190     aSelLab.ForgetAllAttributes(true);
 191     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
 192     selectPart(std::dynamic_pointer_cast<ModelAPI_Result>(theContext), theSubShape);
 193   } else { // check the feature context: parent-Part of this feature should not be used
 194     FeaturePtr aFeatureContext = std::dynamic_pointer_cast<ModelAPI_Feature>(theContext);
 195     if (aFeatureContext.get()) {
 196       if (owner()->document() != aFeatureContext->document()) {
 197         aSelLab.ForgetAllAttributes(true);
 198         myRef.setValue(ObjectPtr());
 199         if (aToUnblock)
 200           owner()->data()->blockSendAttributeUpdated(false);
 201         return false;
 202       }
 203     }
 204   }
 205
 206   owner()->data()->sendAttributeUpdated(this);
 207
 208   if (aToUnblock)
 209     owner()->data()->blockSendAttributeUpdated(false);
 210
 211   return true;
 212 }
 213
 214 void Model_AttributeSelection::setValueCenter(
 215     const ObjectPtr& theContext, const std::shared_ptr<GeomAPI_Edge>& theEdge,
 216     const CenterType theCenterType, const bool theTemporarily)
 217 {
 218   bool anUpdated = setValue(theContext, theEdge, theTemporarily);
 219   if (theTemporarily) {
 220     myTmpCenterType = theCenterType;
 221   } else { // store in the data structure
 222     TDF_Label aSelLab = selectionLabel();
 223     switch(theCenterType) {
 224     case CIRCLE_CENTER:
 225       if (!anUpdated)
 226         anUpdated = !aSelLab.IsAttribute(kCIRCLE_CENTER);
 227       TDataStd_UAttribute::Set(aSelLab, kCIRCLE_CENTER);
 228       break;
 229     case ELLIPSE_FIRST_FOCUS:
 230       if (!anUpdated)
 231         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER1);
 232       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER1);
 233       break;
 234     case ELLIPSE_SECOND_FOCUS:
 235       if (!anUpdated)
 236         anUpdated = !aSelLab.IsAttribute(kELLIPSE_CENTER2);
 237       TDataStd_UAttribute::Set(aSelLab, kELLIPSE_CENTER2);
 238       break;
 239     }
 240     if (anUpdated)
 241       owner()->data()->sendAttributeUpdated(this);
 242   }
 243 }
 244
 245 void Model_AttributeSelection::selectValue(
 246     const std::shared_ptr<ModelAPI_AttributeSelection>& theSource)
 247 {
 248   CenterType aType;
 249   std::shared_ptr<GeomAPI_Shape> aValue =
 250     std::dynamic_pointer_cast<Model_AttributeSelection>(theSource)->internalValue(aType);
 251   if (!aValue.get() || aType == NOT_CENTER) {
 252     setValue(theSource->context(), aValue);
 253   } else {
 254     std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge);
 255     anEdge->setImpl(new TopoDS_Shape(aValue->impl<TopoDS_Shape>()));
 256     setValueCenter(theSource->context(), anEdge, aType);
 257   }
 258 }
 259
 260 void Model_AttributeSelection::removeTemporaryValues()
 261 {
 262   if (myTmpContext.get() || myTmpSubShape.get()) {
 263     myTmpContext.reset();
 264     myTmpSubShape.reset();
 265   }
 266 }
 267
 268 // returns the center of the edge: circular or elliptical
 269 GeomShapePtr centerByEdge(GeomShapePtr theEdge, ModelAPI_AttributeSelection::CenterType theType)
 270 {
 271   if (theType != ModelAPI_AttributeSelection::NOT_CENTER && theEdge.get() != NULL) {
 272     TopoDS_Shape aShape = theEdge->impl<TopoDS_Shape>();
 273     if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE) {
 274       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
 275       double aFirst, aLast;
 276       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
 277       if (!aCurve.IsNull()) {
 278         TopoDS_Vertex aVertex;
 279         BRep_Builder aBuilder;
 280         if (theType == ModelAPI_AttributeSelection::CIRCLE_CENTER) {
 281           Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
 282           if (!aCirc.IsNull()) {
 283             aBuilder.MakeVertex(aVertex, aCirc->Location(), Precision::Confusion());
 284           }
 285         } else { // ellipse
 286           Handle(Geom_Ellipse) anEll = Handle(Geom_Ellipse)::DownCast(aCurve);
 287           if (!anEll.IsNull()) {
 288             aBuilder.MakeVertex(aVertex,
 289               theType == ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS ?
 290               anEll->Focus1() : anEll->Focus2(), Precision::Confusion());
 291           }
 292         }
 293         if (!aVertex.IsNull()) {
 294           std::shared_ptr<GeomAPI_Vertex> aResult(new GeomAPI_Vertex);
 295           aResult->setImpl(new TopoDS_Vertex(aVertex));
 296           return aResult;
 297         }
 298       }
 299     }
 300   }
 301   return theEdge; // no vertex, so, return the initial edge
 302 }
 303
 304 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 305 {
 306   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 307     return std::shared_ptr<GeomAPI_Shape>();
 308   CenterType aType = NOT_CENTER;
 309   std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
 310   return centerByEdge(aResult, aType);
 311 }
 312
 313 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::internalValue(CenterType& theType)
 314 {
 315   theType = NOT_CENTER;
 316   GeomShapePtr aResult;
 317   if (myTmpContext.get() || myTmpSubShape.get()) {
 318     theType = myTmpCenterType;
 319     ResultConstructionPtr aResulConstruction =
 320       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
 321     if(aResulConstruction.get()) {
 322       // it is just reference to construction.
 323       return myTmpSubShape;
 324     }
 325     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
 326   }
 327
 328   TDF_Label aSelLab = selectionLabel();
 329   if (aSelLab.IsAttribute(kINVALID_SELECTION))
 330     return aResult;
 331
 332   if (aSelLab.IsAttribute(kCIRCLE_CENTER))
 333     theType = CIRCLE_CENTER;
 334   else if (aSelLab.IsAttribute(kELLIPSE_CENTER1))
 335     theType = ELLIPSE_FIRST_FOCUS;
 336   else if (aSelLab.IsAttribute(kELLIPSE_CENTER2))
 337     theType = ELLIPSE_SECOND_FOCUS;
 338
 339
 340   if (myRef.isInitialized()) {
 341     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 342       ResultPtr aContext = context();
 343       if (!aContext.get())
 344         return aResult; // empty result
 345       return aContext->shape();
 346     }
 347     if (aSelLab.IsAttribute(kPART_REF_ID)) {
 348       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
 349       if (!aPart.get() || !aPart->isActivated())
 350         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
 351       Handle(TDataStd_Integer) anIndex;
 352       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 353         if (anIndex->Get()) { // special selection attribute was created, use it
 354           return aPart->selectionValue(anIndex->Get());
 355         } else { // face with name is already in the data model, so try to take it by name
 356           Handle(TDataStd_Name) aName;
 357           if (aSelLab.FindAttribute(TDataStd_Name::GetID(), aName)) {
 358             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
 359             std::size_t aPartEnd = aSubShapeName.find('/');
 360             if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
 361               std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
 362               int anIndex;
 363               std::string aType; // to reuse already existing selection the type is not needed
 364               return aPart->shapeInPart(aNameInPart, aType, anIndex);
 365             }
 366           }
 367         }
 368       }
 369     }
 370
 371     std::shared_ptr<Model_ResultConstruction> aConstr =
 372       std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 373     if (aConstr) {
 374       if (aConstr->isInfinite())
 375         return aResult; // empty result
 376     }
 377     if (!aConstr.get()) { // for construction context, return empty result as usual even
 378       // the whole feature is selected
 379       FeaturePtr aFeature = contextFeature();
 380       if (aFeature.get()) {
 381         std::list<GeomShapePtr> allShapes;
 382         std::list<ResultPtr>::const_iterator aRes = aFeature->results().cbegin();
 383         for (; aRes != aFeature->results().cend(); aRes++) {
 384           if (aRes->get() && !(*aRes)->isDisabled()) {
 385             GeomShapePtr aShape = (*aRes)->shape();
 386             if (aShape.get() && !aShape->isNull()) {
 387               allShapes.push_back(aShape);
 388             }
 389           }
 390         }
 391         return GeomAlgoAPI_CompoundBuilder::compound(allShapes);
 392       }
 393     }
 394
 395     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 396       Handle(TDataStd_Integer) aWeakId;
 397       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 398       // get the context shape
 399       GeomShapePtr aContextShape;
 400       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(context());
 401       if (aBody.get()) {
 402         aContextShape = aBody->shape();
 403       } else {
 404         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 405         if (aResult) {
 406           aContextShape = aResult->shape();
 407         }
 408       }
 409       if (!aContextShape.get())
 410         return GeomShapePtr();
 411       Handle(TDataStd_Integer) aWeakShapeType;
 412       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 413       GeomAlgoAPI_NExplode aNExplode(
 414         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 415       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 416       return aValue;
 417     }
 418
 419     Handle(TNaming_NamedShape) aSelection;
 420     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 421       TopoDS_Shape aSelShape = aSelection->Get();
 422       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 423       aResult->setImpl(new TopoDS_Shape(aSelShape));
 424     } else if (aConstr) { // simple construction element: just shape of this construction element
 425       Handle(TDataStd_Integer) anIndex;
 426       if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 427         if (anIndex->Get() == 0) // it is just reference to construction, nothing is in value
 428           return aResult;
 429         return aConstr->shape(anIndex->Get(), owner()->document());
 430       }
 431     }
 432   }
 433   return aResult;
 434 }
 435
 436 bool Model_AttributeSelection::isInvalid()
 437 {
 438   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
 439 }
 440
 441 bool Model_AttributeSelection::isInitialized()
 442 {
 443   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
 444     std::shared_ptr<GeomAPI_Shape> aResult;
 445     if (myRef.isInitialized()) {
 446       TDF_Label aSelLab = selectionLabel();
 447       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 448         ResultPtr aContext = context();
 449         return aContext.get() != NULL;
 450       }
 451       Handle(TNaming_NamedShape) aSelection;
 452       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
 453         return !aSelection->Get().IsNull();
 454       } else { // for simple construction element: just shape of this construction element
 455         std::shared_ptr<Model_ResultConstruction> aConstr =
 456           std::dynamic_pointer_cast<Model_ResultConstruction>(context());
 457         if (aConstr.get()) {
 458           Handle(TDataStd_Integer) anIndex;
 459           if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 460             // for the whole shape it may return null, so, if index exists, returns true
 461             return true;
 462           }
 463         }
 464         // for the whole feature, a feature object
 465         FeaturePtr aFeat = contextFeature();
 466         if (aFeat.get())
 467           return true;
 468       }
 469     }
 470   }
 471   return false;
 472 }
 473
 474 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
 475   : myRef(theLabel)
 476 {
 477   myIsInitialized = myRef.isInitialized();
 478   myParent = NULL;
 479 }
 480
 481 void Model_AttributeSelection::setID(const std::string theID)
 482 {
 483   myRef.setID(theID);
 484   ModelAPI_AttributeSelection::setID(theID);
 485 }
 486
 487 ResultPtr Model_AttributeSelection::context()
 488 {
 489   if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
 490     return ResultPtr();
 491
 492   if (myTmpContext.get() || myTmpSubShape.get()) {
 493     return myTmpContext;
 494   }
 495
 496   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 497   // for parts there could be same-data result, so take the last enabled
 498   if (aResult.get()) {
 499     if(aResult->groupName() == ModelAPI_ResultPart::group()) {
 500       int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
 501       for(int a = aSize - 1; a >= 0; a--) {
 502         ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
 503         if(aPart.get() && aPart->data() == aResult->data()) {
 504           ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
 505           FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 506           // check that this result is not this-feature result (it is forbidden t oselect itself)
 507           if(anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
 508             return aPartResult;
 509           }
 510         }
 511       }
 512     }
 513   } else { // if feature - construction is selected, it has only one result, return this result
 514     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 515     if (aFeature.get() && aFeature->results().size() == 1 &&
 516         aFeature->firstResult()->groupName() == ModelAPI_ResultConstruction::group())
 517       return aFeature->firstResult();
 518   }
 519   return aResult;
 520 }
 521
 522 FeaturePtr Model_AttributeSelection::contextFeature() {
 523   if (myTmpContext.get() || myTmpSubShape.get()) {
 524     return FeaturePtr(); // feature can not be selected temporarily
 525   }
 526   return std::dynamic_pointer_cast<ModelAPI_Feature>(myRef.value());
 527 }
 528 ObjectPtr Model_AttributeSelection::contextObject() {
 529   FeaturePtr aRes = contextFeature();
 530   if (aRes.get())
 531     return aRes;
 532   return context();
 533 }
 534
 535
 536 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
 537 {
 538   ModelAPI_AttributeSelection::setObject(theObject);
 539   myRef.setObject(theObject);
 540 }
 541
 542 TDF_LabelMap& Model_AttributeSelection::scope()
 543 {
 544   if (myScope.IsEmpty()) { // create a new scope if not yet done
 545     // gets all features with named shapes that are before this feature label (before in history)
 546     DocumentPtr aMyDoc = owner()->document();
 547     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
 548     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
 549     bool aMePassed = false;
 550     CompositeFeaturePtr aComposite =
 551       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
 552     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 553     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
 554     if (aFeature.get()) {
 555       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
 556       if (aCompositeOwner.get()) {
 557          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
 558       }
 559     }
 560     // for group Scope is not limitet: this is always up to date objects
 561     // this causes problem in galeries.py
 562     //bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
 563     for(; aFIter != allFeatures.end(); aFIter++) {
 564       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
 565         aMePassed = true;
 566         continue;
 567       }
 568       //if (isGroup) aMePassed = false;
 569       bool isInScope = !aMePassed;
 570       if (!isInScope && aComposite.get()) {
 571         // try to add sub-elements of composite if this is composite
 572         if (aComposite->isSub(*aFIter))
 573           isInScope = true;
 574       }
 575       // remove the composite-owner of this feature (sketch in extrusion-cut)
 576       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
 577         isInScope = false;
 578
 579       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
 580         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
 581           (*aFIter)->data())->label().Father();
 582         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), true);
 583         for(; aNSIter.More(); aNSIter.Next()) {
 584           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 585           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 586             myScope.Add(aNS->Label());
 587           }
 588         }
 589       }
 590     }
 591     // also add all naming labels created for external constructions
 592     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(aMyDoc);
 593     TDF_Label anExtDocLab = aDoc->extConstructionsLabel();
 594     TDF_ChildIDIterator aNSIter(anExtDocLab, TNaming_NamedShape::GetID(), true);
 595     for(; aNSIter.More(); aNSIter.Next()) {
 596       Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
 597       if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
 598         myScope.Add(aNS->Label());
 599       }
 600     }
 601   }
 602   return myScope;
 603 }
 604
 605 /// Sets the invalid flag if flag is false, or removes it if "true"
 606 /// Returns theFlag
 607 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
 608   if (theFlag) {
 609     theLab.ForgetAttribute(kINVALID_SELECTION);
 610   } else {
 611     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
 612   }
 613   return theFlag;
 614 }
 615
 616 void Model_AttributeSelection::split(
 617   ResultPtr theContext, TopoDS_Shape theNewShape, TopAbs_ShapeEnum theType)
 618 {
 619   TopTools_ListOfShape aSubs;
 620   for(TopoDS_Iterator anExplorer(theNewShape); anExplorer.More(); anExplorer.Next()) {
 621     if (!anExplorer.Value().IsNull() &&
 622       anExplorer.Value().ShapeType() == theType) {
 623         aSubs.Append(anExplorer.Value());
 624     } else { // invalid case; bad result shape, so, impossible to split easily
 625       aSubs.Clear();
 626       break;
 627     }
 628   }
 629   if (aSubs.Extent() > 1) { // ok to split
 630     TopTools_ListIteratorOfListOfShape aSub(aSubs);
 631     GeomShapePtr aSubSh(new GeomAPI_Shape);
 632     aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 633     setValue(theContext, aSubSh);
 634     for(aSub.Next(); aSub.More(); aSub.Next()) {
 635       GeomShapePtr aSubSh(new GeomAPI_Shape);
 636       aSubSh->setImpl(new TopoDS_Shape(aSub.Value()));
 637       myParent->append(theContext, aSubSh);
 638     }
 639   }
 640 }
 641
 642 bool Model_AttributeSelection::update()
 643 {
 644   FeaturePtr aContextFeature = contextFeature();
 645   if (aContextFeature.get()) {
 646     return true;
 647   }
 648   TDF_Label aSelLab = selectionLabel();
 649   ResultPtr aContext = context();
 650   if (!aContext.get())
 651     return setInvalidIfFalse(aSelLab, false);
 652   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
 653     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
 654   }
 655
 656   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
 657     std::shared_ptr<GeomAPI_Shape> aNoSelection;
 658     bool aResult = selectPart(aContext, aNoSelection, true);
 659     aResult = setInvalidIfFalse(aSelLab, aResult);
 660     if (aResult) {
 661       owner()->data()->sendAttributeUpdated(this);
 662     }
 663     return aResult;
 664   }
 665
 666   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
 667     if (aSelLab.IsAttribute(kWEAK_NAMING)) { // a weak naming is used
 668       Handle(TDataStd_Integer) aWeakId;
 669       aSelLab.FindAttribute(kWEAK_NAMING, aWeakId);
 670       // get the context shape
 671       GeomShapePtr aContextShape;
 672       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aContext);
 673       if (aBody.get()) {
 674         aContextShape = aBody->shape();
 675       } else {
 676         ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 677         if (aResult) {
 678           aContextShape = aResult->shape();
 679         }
 680       }
 681       if (!setInvalidIfFalse(aSelLab, aContextShape.get() != NULL)) // context shape not found
 682         return false;
 683       Handle(TDataStd_Integer) aWeakShapeType;
 684       aSelLab.FindAttribute(kWEAK_NAMING_SHAPETYPE, aWeakShapeType);
 685       GeomAlgoAPI_NExplode aNExplode(
 686         aContextShape, GeomAPI_Shape::ShapeType(aWeakShapeType->Get()));
 687       GeomShapePtr aValue = aNExplode.shape(aWeakId->Get());
 688       return setInvalidIfFalse(aSelLab, aValue.get() != NULL);
 689     }
 690     // body: just a named shape, use topological selection mechanism
 691     bool aResult = false;
 692     TopoDS_Shape anOldShape;
 693     Handle(TNaming_NamedShape) aNS;
 694     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aNS))
 695       anOldShape = aNS->Get();
 696
 697     Selector_Selector aSelector(aSelLab);
 698     if (!aSelector.restore()) { // it is stored in old OCCT format, use TNaming_Selector
 699       TNaming_Selector aSelector(aSelLab);
 700       if (!aSelector.NamedShape().IsNull()) {
 701         anOldShape = aSelector.NamedShape()->Get();
 702       }
 703       aResult = aSelector.Solve(scope()) == Standard_True;
 704     } else {
 705       TopoDS_Shape aContextShape = aContext->shape()->impl<TopoDS_Shape>();
 706       aResult = aSelector.solve(aContextShape);
 707     }
 708     aResult = setInvalidIfFalse(aSelLab, aResult);
 709
 710     TopoDS_Shape aNewShape;
 711     if (aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aNS))
 712       aNewShape = aNS->Get();
 713
 714     if (anOldShape.IsNull() || aNewShape.IsNull() || !anOldShape.IsEqual(aNewShape)) {
 715       // shape type shoud not not changed: if shape becomes compound of such shapes, then split
 716       if (myParent && !anOldShape.IsNull() && !aNewShape.IsNull() &&
 717           anOldShape.ShapeType() != aNewShape.ShapeType() &&
 718           (aNewShape.ShapeType() == TopAbs_COMPOUND || aNewShape.ShapeType() == TopAbs_COMPSOLID))
 719       {
 720         split(aContext, aNewShape, anOldShape.ShapeType());
 721       }
 722       owner()->data()->sendAttributeUpdated(this);  // send updated if shape is changed
 723     }
 724     return aResult;
 725   }
 726
 727   if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
 728     Handle(TDataStd_Integer) anIndex;
 729     if (aSelLab.FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 730       std::shared_ptr<Model_ResultConstruction> aConstructionContext =
 731         std::dynamic_pointer_cast<Model_ResultConstruction>(aContext);
 732       bool aModified = true;
 733       bool aValid = aConstructionContext->update(anIndex->Get(), owner()->document(), aModified);
 734       setInvalidIfFalse(aSelLab, aValid);
 735       if (aConstructionContext->isInfinite()) {
 736         // Update the selected shape.
 737         TNaming_Builder aBuilder(aSelLab);
 738         aBuilder.Generated(aConstructionContext->shape()->impl<TopoDS_Shape>());
 739       }
 740       if (aModified)
 741         owner()->data()->sendAttributeUpdated(this);
 742       return aValid;
 743     }
 744   }
 745   return setInvalidIfFalse(aSelLab, false); // unknown case
 746 }
 747
 748 void Model_AttributeSelection::selectBody(
 749   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 750 {
 751   // perform the selection
 752   TopoDS_Shape aContext;
 753
 754   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theContext);//myRef.value()
 755   if (aBody) {
 756     aContext = aBody->shape()->impl<TopoDS_Shape>();
 757   } else {
 758     ResultPtr aResult =
 759       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
 760     if (aResult) {
 761       aContext = aResult->shape()->impl<TopoDS_Shape>();
 762     } else {
 763       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
 764       return;
 765     }
 766   }
 767
 768   // with "recover" feature the selected context may be not up to date (issue 1710)
 769   Handle(TNaming_NamedShape) aResult;
 770   TDF_Label aSelLab = selectionLabel();
 771   TopoDS_Shape aNewContext = aContext;
 772   bool isUpdated = true;
 773   while(!aNewContext.IsNull() && isUpdated) {
 774     // searching for the very last shape that was produced from this one
 775     isUpdated = false;
 776     if (!TNaming_Tool::HasLabel(aSelLab, aNewContext))
 777       // to avoid crash of TNaming_SameShapeIterator if pure shape does not exists
 778       break;
 779     for(TNaming_SameShapeIterator anIter(aNewContext, aSelLab); anIter.More(); anIter.Next()) {
 780       TDF_Label aNSLab = anIter.Label();
 781       if (!scope().Contains(aNSLab))
 782         continue;
 783       Handle(TNaming_NamedShape) aNS;
 784       if (aNSLab.FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 785         for(TNaming_Iterator aShapesIter(aNS); aShapesIter.More(); aShapesIter.Next()) {
 786           if (aShapesIter.Evolution() == TNaming_SELECTED)
 787             continue; // don't use the selection evolution
 788           if (!aShapesIter.OldShape().IsNull() && aShapesIter.OldShape().IsSame(aNewContext)) {
 789              // found the original shape
 790             aNewContext = aShapesIter.NewShape(); // go to the newer shape
 791             isUpdated = true;
 792             break;
 793           }
 794         }
 795       }
 796     }
 797   }
 798   if (aNewContext.IsNull()) { // a context is already deleted
 799     setInvalidIfFalse(aSelLab, false);
 800     Events_InfoMessage("Model_AttributeSelection", "Failed to select shape already deleted").send();
 801     return;
 802   }
 803
 804   TopoDS_Shape aNewSub = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
 805   if (!aNewSub.IsEqual(aContext)) { // searching for subshape in the new context
 806     bool isFound = false;
 807     TopExp_Explorer anExp(aNewContext, aNewSub.ShapeType());
 808     for(; anExp.More(); anExp.Next()) {
 809       if (anExp.Current().IsSame(aNewSub)) {
 810         isFound = true;
 811         break;
 812       }
 813     }
 814     if (!isFound) { // sub-shape is not found in the up-to-date instance of the context shape
 815       // if context is sub-result of compound/compsolid, selection of sub-shape better propagate to
 816       // the main result (which is may be modified); the case is in 1799
 817       ResultBodyPtr aMain = ModelAPI_Tools::bodyOwner(theContext);
 818       while(ModelAPI_Tools::bodyOwner(aMain).get())
 819         aMain = ModelAPI_Tools::bodyOwner(theContext);
 820       if (aMain.get()) {
 821         selectBody(aMain, theSubShape);
 822         return;
 823       }
 824       setInvalidIfFalse(aSelLab, false);
 825       Events_InfoMessage("Model_AttributeSelection",
 826         "Failed to select sub-shape already modified").send();
 827       return;
 828     }
 829   }
 830
 831   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
 832   if (!aContext.IsNull()) {
 833     FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
 834     bool aEraseResults = false;
 835     if (aFeatureOwner.get()) {
 836       aEraseResults = !aFeatureOwner->results().empty();
 837       if (aEraseResults) // erase results without flash deleted and redisplay: do it after Select
 838         aFeatureOwner->removeResults(0, false, false);
 839     }
 840     bool aSelectorOk = true;
 841     //TNaming_Selector aSel(aSelLab);
 842     Selector_Selector aSel(aSelLab);
 843     try {
 844       //aSel.Select(aNewSub, aNewContext);
 845       aSelectorOk = aSel.select(aNewContext, aNewSub);
 846       aSel.store();
 847     } catch(...) {
 848       aSelectorOk = false;
 849     }
 850     // face may become divided after the model update, so, new labels may be added to the scope
 851     myScope.Clear();
 852
 853     // check that selection is correct, otherwise use weak naming solution
 854     TDF_Label aSelLab = selectionLabel();
 855     aSelLab.ForgetAttribute(kWEAK_NAMING);
 856     Handle(TNaming_NamedShape) aSelectorShape;
 857     if (aSelectorOk && aSelLab.FindAttribute(TNaming_NamedShape::GetID(), aSelectorShape))
 858     {
 859       TopoDS_Shape aShape = aSelectorShape->Get();
 860       if (aShape.IsNull() || aShape.ShapeType() != aNewSub.ShapeType())
 861         aSelectorOk = false;
 862     }
 863     if (!aSelectorOk) { // weak naming identifier instead
 864       GeomShapePtr aContextShape(new GeomAPI_Shape);
 865       aContextShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewContext));
 866       GeomShapePtr aValueShape(new GeomAPI_Shape);
 867       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewSub));
 868
 869       GeomAlgoAPI_NExplode aNExplode(aContextShape, aValueShape->shapeType());
 870       int anId = aNExplode.index(aValueShape);
 871       if (anId) {
 872         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING, anId);
 873         TDataStd_Integer::Set(aSelLab, kWEAK_NAMING_SHAPETYPE, int(aValueShape->shapeType()));
 874       }
 875     }
 876
 877     if (aEraseResults) { // flash after Select : in Groups it makes selection with shift working
 878       static Events_Loop* aLoop = Events_Loop::loop();
 879       static const Events_ID kDeletedEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 880       aLoop->flush(kDeletedEvent);
 881     }
 882   }
 883 }
 884
 885 bool Model_AttributeSelection::selectPart(
 886   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
 887   const bool theUpdate)
 888 {
 889   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
 890   if (!aPart.get() || !aPart->isActivated())
 891     return true; // postponed naming
 892   if (theUpdate) {
 893     Handle(TDataStd_Integer) anIndex;
 894     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
 895       // by internal selection
 896       if (anIndex->Get() > 0) {
 897         // update the selection by index
 898         return aPart->updateInPart(anIndex->Get());
 899       } else {
 900         return true; // nothing to do, referencing just by name
 901       }
 902     }
 903     return true; // nothing to do, referencing just by name
 904   }
 905   // store the shape (in case part is not loaded it should be useful
 906   TopoDS_Shape aShape;
 907   std::string aName = theContext->data()->name();
 908   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
 909     aShape = theContext->shape()->impl<TopoDS_Shape>();
 910   } else {
 911     aShape = theSubShape->impl<TopoDS_Shape>();
 912     int anIndex;
 913     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
 914     TDataStd_Integer::Set(selectionLabel(), anIndex);
 915   }
 916   TNaming_Builder aBuilder(selectionLabel());
 917   aBuilder.Select(aShape, aShape);
 918   // identify by name in the part
 919   TDataStd_Name::Set(selectionLabel(), aName.c_str());
 920   return !aName.empty();
 921 }
 922
 923 TDF_Label Model_AttributeSelection::selectionLabel()
 924 {
 925   return myRef.myRef->Label().FindChild(1);
 926 }
 927
 928 /// prefixes of the shape names with centers defined
 929 static std::map<ModelAPI_AttributeSelection::CenterType, std::string> kCENTERS_PREFIX;
 930
 931 /// returns the map that contains all possible prefixes of the center-names
 932 static std::map<ModelAPI_AttributeSelection::CenterType, std::string>& centersMap()
 933 {
 934   if (kCENTERS_PREFIX.empty()) { // fill map by initial values
 935     kCENTERS_PREFIX[ModelAPI_AttributeSelection::CIRCLE_CENTER] = "__cc";
 936     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS] = "__eff";
 937     kCENTERS_PREFIX[ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS] = "__esf";
 938   }
 939   return kCENTERS_PREFIX;
 940 }
 941
 942 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
 943 {
 944   std::string aName("");
 945   if(!this->isInitialized())
 946     return !theDefaultName.empty() ? theDefaultName : aName;
 947
 948   CenterType aCenterType = NOT_CENTER;
 949   std::shared_ptr<GeomAPI_Shape> aSubSh = internalValue(aCenterType);
 950   ResultPtr aCont = context();
 951
 952   if (!aCont.get() ||
 953       (aCont->groupName() == ModelAPI_ResultConstruction::group() && contextFeature().get())) {
 954     // selection of a full feature
 955     FeaturePtr aFeatureCont = contextFeature();
 956     if (aFeatureCont.get()) {
 957       return kWHOLE_FEATURE + aFeatureCont->name();
 958     }
 959     // in case of selection of removed result
 960     return "";
 961   }
 962
 963   TDF_Label aSelLab = selectionLabel();
 964   Handle(TDataStd_Integer) aWeakId;
 965   if (aSelLab.FindAttribute(kWEAK_NAMING, aWeakId)) { // a weak naming is used
 966     std::ostringstream aNameStream;
 967     aNameStream<<aCont->data()->name()<<"/weak_name_"<<aWeakId->Get();
 968     return aNameStream.str();
 969   }
 970
 971   Model_SelectionNaming aSelNaming(aSelLab);
 972   std::string aResult = aSelNaming.namingName(
 973     aCont, aSubSh, theDefaultName, owner()->document() != aCont->document());
 974   if (aCenterType != NOT_CENTER) {
 975     aResult += centersMap()[aCenterType];
 976   }
 977   return aResult;
 978 }
 979
 980 // returns the center type and modifies the shape name if this name is center-name
 981 static ModelAPI_AttributeSelection::CenterType centerTypeByName(std::string& theShapeName)
 982 {
 983   std::map<ModelAPI_AttributeSelection::CenterType, std::string>::iterator aPrefixIter =
 984     centersMap().begin();
 985   for(; aPrefixIter != centersMap().end(); aPrefixIter++) {
 986     std::size_t aFound = theShapeName.find(aPrefixIter->second);
 987     if (aFound != std::string::npos &&
 988         aFound == theShapeName.size() - aPrefixIter->second.size()) {
 989       theShapeName = theShapeName.substr(0, aFound);
 990       return aPrefixIter->first;
 991     }
 992   }
 993   return ModelAPI_AttributeSelection::NOT_CENTER;
 994 }
 995
 996 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
 997 void Model_AttributeSelection::selectSubShape(
 998   const std::string& theType, const std::string& theSubShapeName)
 999 {
1000   if(theSubShapeName.empty() || theType.empty()) return;
1001
1002   std::string aSubShapeName = theSubShapeName;
1003   CenterType aCenterType = theType[0] == 'v' || theType[0] == 'V' ? // only for vertex-type
1004     centerTypeByName(aSubShapeName) : NOT_CENTER;
1005   std::string aType = aCenterType == NOT_CENTER ? theType : "EDGE"; // search for edge now
1006
1007   // first iteration is selection by name without center prefix, second - in case of problem,
1008   // try with initial name
1009   for(int aUseCenter = 1; aUseCenter >= 0; aUseCenter--) {
1010     if (aUseCenter == 0 && aCenterType != NOT_CENTER) {
1011       aSubShapeName = theSubShapeName;
1012       aCenterType = NOT_CENTER;
1013       aType = theType;
1014     } else if (aUseCenter != 1) continue;
1015
1016     // check this is Part-name: 2 delimiters in the name
1017     std::size_t aPartEnd = aSubShapeName.find('/');
1018     if (aPartEnd != std::string::npos && aPartEnd != aSubShapeName.rfind('/')) {
1019       std::string aPartName = aSubShapeName.substr(0, aPartEnd);
1020       ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
1021       if (aFound.get()) { // found such part, so asking it for the name
1022         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
1023         std::string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
1024         int anIndex;
1025         std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, aType, anIndex);
1026         if (aSelected.get()) {
1027           if (aCenterType != NOT_CENTER) {
1028             if (!aSelected->isEdge())
1029               continue;
1030             std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aSelected));
1031             setValueCenter(aPart, aSelectedEdge, aCenterType);
1032           } else
1033             setValue(aPart, aSelected);
1034           TDataStd_Integer::Set(selectionLabel(), anIndex);
1035           return;
1036         }
1037       }
1038     }
1039
1040     std::shared_ptr<Model_Document> aDoc =
1041       std::dynamic_pointer_cast<Model_Document>(owner()->document());
1042     // check this is a whole feature context
1043     if (aSubShapeName.size() > kWHOLE_FEATURE.size() &&
1044       aSubShapeName.substr(0, kWHOLE_FEATURE.size()) == kWHOLE_FEATURE) {
1045       std::string aFeatureName = aSubShapeName.substr(kWHOLE_FEATURE.size());
1046       ObjectPtr anObj = aDoc->objectByName(ModelAPI_Feature::group(), aFeatureName);
1047       if (anObj.get()) {
1048         static const GeomShapePtr anEmptyShape;
1049         setValue(anObj, anEmptyShape);
1050         return;
1051       }
1052     }
1053
1054     Model_SelectionNaming aSelNaming(selectionLabel());
1055     std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
1056     ResultPtr aCont;
1057     if (aSelNaming.selectSubShape(aType, aSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
1058       // try to find the last context to find the up to date shape
1059       if (aCont->shape().get() && !aCont->shape()->isNull() &&
1060         aCont->groupName() == ModelAPI_ResultBody::group() && aDoc == owner()->document()) {
1061         const TopoDS_Shape aConShape = aCont->shape()->impl<TopoDS_Shape>();
1062         if (!aConShape.IsNull()) {
1063           Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aConShape, selectionLabel());
1064           if (!aNS.IsNull()) {
1065             aNS = TNaming_Tool::CurrentNamedShape(aNS);
1066             if (!aNS.IsNull() && scope().Contains(aNS->Label())) { // scope check is for 2228
1067               TDF_Label aLab = aNS->Label();
1068               if (aLab.Depth() % 2 == 0)
1069                 aLab = aLab.Father();
1070               ObjectPtr anObj = aDoc->objects()->object(aLab);
1071               while(!anObj.get() && aLab.Depth() > 5) {
1072                 aLab = aLab.Father().Father();
1073                 anObj = aDoc->objects()->object(aLab);
1074               }
1075
1076               if (anObj.get()) {
1077                 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1078                 if (aRes)
1079                   aCont = aRes;
1080               }
1081             }
1082           }
1083         }
1084       }
1085       // if compsolid is context, try to take sub-solid as context: like in GUI and scripts
1086       if (aCont.get() && aShapeToBeSelected.get()) {
1087         ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aCont);
1088         if (aComp && aComp->numberOfSubs()) {
1089           std::list<ResultPtr> allSubs;
1090           ModelAPI_Tools::allSubs(aComp, allSubs);
1091           std::list<ResultPtr>::iterator aS = allSubs.begin();
1092           for(; aS != allSubs.end(); aS++) {
1093             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aS);
1094             if (aSub && aSub->numberOfSubs() == 0 && aSub->shape().get() &&
1095                 aSub->shape()->isSubShape(aShapeToBeSelected)) {
1096               aCont = aSub;
1097               break;
1098             }
1099           }
1100         }
1101       }
1102       // try to find the latest active result that must be used instead of the selected
1103       // to set the active context (like in GUI selection), not concealed one
1104       bool aFindNewContext = true;
1105       while(aFindNewContext && aCont.get()) {
1106         aFindNewContext = false;
1107         // take references to all results: root one, any sub
1108         ResultBodyPtr aCompContext = ModelAPI_Tools::bodyOwner(aCont, true);
1109         std::list<ResultPtr> allRes;
1110         if (aCompContext.get()) {
1111           ModelAPI_Tools::allSubs(aCompContext, allRes);
1112           allRes.push_back(aCompContext);
1113         } else {
1114           allRes.push_back(aCont);
1115         }
1116         for(std::list<ResultPtr>::iterator aSub = allRes.begin(); aSub != allRes.end(); aSub++) {
1117           ResultPtr aResCont = *aSub;
1118           ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResCont);
1119           // only lower and higher level subs are counted
1120           if (aResBody.get() && aResBody->numberOfSubs() > 0 && aResBody != aCompContext)
1121             continue;
1122           const std::set<AttributePtr>& aRefs = aResCont->data()->refsToMe();
1123           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1124           for(; !aFindNewContext && aRef != aRefs.end(); aRef++) {
1125             if (!aRef->get() || !(*aRef)->owner().get())
1126               continue;
1127             // concealed attribute only
1128             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1129             if (!ModelAPI_Session::get()->validators()->isConcealed(
1130               aRefFeat->getKind(), (*aRef)->id()))
1131               continue;
1132             // search the feature result that contains sub-shape selected
1133             std::list<std::shared_ptr<ModelAPI_Result> > aResults;
1134
1135             // take all sub-results or one result
1136             std::list<ResultPtr> aRefFeatResults;
1137             ModelAPI_Tools::allResults(aRefFeat, aRefFeatResults);
1138             std::list<ResultPtr>::iterator aRefResIter = aRefFeatResults.begin();
1139             for(; aRefResIter != aRefFeatResults.end(); aRefResIter++) {
1140               ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRefResIter);
1141               if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1142                 aResults.push_back(aBody);
1143             }
1144             std::list<std::shared_ptr<ModelAPI_Result> >::iterator aResIter = aResults.begin();
1145             for(; aResIter != aResults.end(); aResIter++) {
1146               if (!aResIter->get() || !(*aResIter)->data()->isValid() || (*aResIter)->isDisabled())
1147                 continue;
1148               GeomShapePtr aShape = (*aResIter)->shape();
1149               GeomShapePtr aSelectedShape =
1150                 aShapeToBeSelected.get() ? aShapeToBeSelected : aCont->shape();
1151               if (aShape.get() && aShape->isSubShape(aSelectedShape, false)) {
1152                 aCont = *aResIter; // found new context (produced from this) with same subshape
1153                 aFindNewContext = true; // continue searching futher
1154                 break;
1155               }
1156             }
1157           }
1158         }
1159       }
1160
1161       if (aCenterType != NOT_CENTER) {
1162         if (!aShapeToBeSelected->isEdge())
1163           continue;
1164         std::shared_ptr<GeomAPI_Edge> aSelectedEdge(new GeomAPI_Edge(aShapeToBeSelected));
1165         setValueCenter(aCont, aSelectedEdge, aCenterType);
1166       } else
1167         setValue(aCont, aShapeToBeSelected);
1168       return;
1169     }
1170   }
1171
1172   TDF_Label aSelLab = selectionLabel();
1173   setInvalidIfFalse(aSelLab, false);
1174   reset();
1175 }
1176
1177 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1178                                               const GeomPointPtr& thePoint)
1179 {
1180   if (theType.empty() || !thePoint)
1181     return;
1182
1183   // list of parent features
1184   FeaturePtr anOwner = ModelAPI_Feature::feature(owner());
1185   std::set<FeaturePtr> aParents = ModelAPI_Tools::getParents(anOwner);
1186
1187   int aSelectionIndex = 0;
1188   GeomAPI_Shape::ShapeType aType = GeomAPI_Shape::shapeTypeByStr(theType);
1189   if (aType == GeomAPI_Shape::SHAPE) {
1190     // possibly, the string consists of the type and the index,
1191     // thus, try to separate them
1192     size_t aUndersporePos = theType.find_first_of('_');
1193     if (aUndersporePos != std::string::npos)
1194       aType = GeomAPI_Shape::shapeTypeByStr(theType.substr(0, aUndersporePos));
1195
1196     if (aType != GeomAPI_Shape::SHAPE) {
1197       for (std::string::const_iterator aChar = theType.begin() + aUndersporePos + 1;
1198            aChar != theType.end(); ++aChar) {
1199         if (std::isdigit(*aChar))
1200           aSelectionIndex = aSelectionIndex * 10 + (*aChar - '0');
1201         else {
1202           aSelectionIndex = 1;
1203           break;
1204         }
1205       }
1206       aSelectionIndex -= 1;
1207     }
1208   }
1209
1210   std::list<ModelGeomAlgo_Shape::SubshapeOfResult> anAppropriate;
1211
1212   // collect features from PartSet and the current part
1213   SessionPtr aSession = ModelAPI_Session::get();
1214   std::list<FeaturePtr> aFeatures = aSession->moduleDocument()->allFeatures();
1215   if (aSession->moduleDocument() != owner()->document()) {
1216     std::list<FeaturePtr> aPartFeatures = owner()->document()->allFeatures();
1217     aFeatures.insert(aFeatures.end(), aPartFeatures.begin(), aPartFeatures.end());
1218   }
1219   // Process results of all features from the last to the first
1220   // to find appropriate sub-shape
1221   for (std::list<FeaturePtr>::const_reverse_iterator anIt = aFeatures.rbegin();
1222        anIt != aFeatures.rend(); ++anIt) {
1223     // selection cannot be linked to the parent features
1224     if (aParents.find(*anIt) != aParents.end())
1225       continue;
1226     // check the feature is a part of composite feature (like sketch elements),
1227     // then do not process it, it will be processed in scope of composite feature
1228     bool isSubOfComposite = false;
1229     const std::set<AttributePtr>& aRefs = (*anIt)->data()->refsToMe();
1230     for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
1231          aRefIt != aRefs.end() && !isSubOfComposite; ++aRefIt) {
1232       FeaturePtr aFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
1233       CompositeFeaturePtr aCompFeature =
1234           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
1235       isSubOfComposite = aCompFeature && aCompFeature->isSub(*anIt);
1236     }
1237     if (isSubOfComposite)
1238       continue;
1239
1240     // process results of the current feature to find appropriate sub-shape
1241     if (ModelGeomAlgo_Shape::findSubshapeByPoint(*anIt, thePoint, aType, anAppropriate)) {
1242       std::list<ModelGeomAlgo_Shape::SubshapeOfResult>::iterator anApIt = anAppropriate.begin();
1243       for (; aSelectionIndex > 0 && anApIt != anAppropriate.end(); --aSelectionIndex)
1244         ++anApIt; // skip this shape, because one of the previous is selected
1245
1246       if (anApIt != anAppropriate.end()) {
1247         if (anApIt->myCenterType == (int)ModelAPI_AttributeSelection::NOT_CENTER)
1248           setValue(anApIt->myResult, anApIt->mySubshape);
1249         else
1250           setValueCenter(anApIt->myResult, anApIt->mySubshape->edge(),
1251                          (ModelAPI_AttributeSelection::CenterType)anApIt->myCenterType);
1252         return;
1253       }
1254     }
1255   }
1256
1257   TDF_Label aSelLab = selectionLabel();
1258   setInvalidIfFalse(aSelLab, false);
1259   reset();
1260 }
1261
1262 void Model_AttributeSelection::selectSubShape(const std::string& theType,
1263   const std::string& theContextName, const int theIndex)
1264 {
1265   // selection of context by name
1266   //std::string aNamingContextName = theContextName + "/";
1267   //selectSubShape(theType, aNamingContextName);
1268   std::shared_ptr<Model_Document> aDoc =
1269     std::dynamic_pointer_cast<Model_Document>(owner()->document());
1270   if (aDoc.get()) {
1271     bool aUnique = true;
1272     std::string aContextName = theContextName;
1273     std::string anEmptySub = "";
1274     ResultPtr aContext = aDoc->findByName(aContextName, anEmptySub, aUnique);
1275     //ResultPtr aContext = context();
1276     if (aContext.get()) {
1277       GeomShapePtr aContShape = aContext->shape();
1278       if (aContShape.get()) {
1279         GeomAlgoAPI_NExplode aNExp(aContShape, GeomAPI_Shape::shapeTypeByStr(theType));
1280         GeomShapePtr aValue = aNExp.shape(theIndex);
1281         if (aValue.get())
1282           setValue(aContext, aValue);
1283       }
1284     }
1285   }
1286 }
1287
1288 int Model_AttributeSelection::Id()
1289 {
1290   int anID = 0;
1291   std::shared_ptr<GeomAPI_Shape> aSelection = value();
1292   ResultPtr aContextRes = context();
1293   // support for compsolids:
1294   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1295     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1296   }
1297   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1298
1299
1300   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1301   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
1302   // searching for the latest main shape
1303   if (aSelection && !aSelection->isNull() && aContext && !aContext->isNull())
1304   {
1305     std::shared_ptr<Model_Document> aDoc =
1306       std::dynamic_pointer_cast<Model_Document>(context()->document());
1307     if (aDoc.get()) {
1308       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1309       if (!aNS.IsNull()) {
1310         aMainShape = TNaming_Tool::CurrentShape(aNS);
1311       }
1312     }
1313
1314     TopTools_IndexedMapOfShape aSubShapesMap;
1315     TopExp::MapShapes(aMainShape, aSubShapesMap);
1316     anID = aSubShapesMap.FindIndex(aSubShape);
1317   }
1318   return anID;
1319 }
1320
1321 void Model_AttributeSelection::setId(int theID)
1322 {
1323   std::shared_ptr<GeomAPI_Shape> aSelection;
1324
1325   ResultPtr aContextRes = context();
1326   // support for compsolids:
1327   while(ModelAPI_Tools::bodyOwner(aContextRes).get()) {
1328     aContextRes = ModelAPI_Tools::bodyOwner(aContextRes);
1329   }
1330   std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
1331
1332   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
1333   // searching for the latest main shape
1334   if (theID > 0 && aContext && !aContext->isNull())
1335   {
1336     std::shared_ptr<Model_Document> aDoc =
1337       std::dynamic_pointer_cast<Model_Document>(aContextRes->document());
1338     if (aDoc.get()) {
1339       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
1340       if (!aNS.IsNull()) {
1341         aMainShape = TNaming_Tool::CurrentShape(aNS);
1342       }
1343     }
1344
1345     TopTools_IndexedMapOfShape aSubShapesMap;
1346     TopExp::MapShapes(aMainShape, aSubShapesMap);
1347     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
1348
1349     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
1350     aResult->setImpl(new TopoDS_Shape(aSelShape));
1351
1352     aSelection = aResult;
1353   }
1354
1355   setValue(aContextRes, aSelection);
1356 }
1357
1358 std::string Model_AttributeSelection::contextName(const ResultPtr& theContext) const
1359 {
1360   std::string aResult;
1361   if (owner()->document() != theContext->document()) {
1362     if (theContext->document() == ModelAPI_Session::get()->moduleDocument()) {
1363       aResult = theContext->document()->kind() + "/";
1364     } else {
1365       ResultPtr aDocRes = ModelAPI_Tools::findPartResult(
1366         ModelAPI_Session::get()->moduleDocument(), theContext->document());
1367       if (aDocRes.get()) {
1368         aResult = aDocRes->data()->name() + "/";
1369       }
1370     }
1371   }
1372   aResult += theContext->data()->name();
1373   return aResult;
1374 }
1375
1376 void Model_AttributeSelection::computeValues(
1377   ResultPtr theOldContext, ResultPtr theNewContext, TopoDS_Shape theValShape,
1378   TopTools_ListOfShape& theShapes)
1379 {
1380   bool aWasWholeContext = theValShape.IsNull();
1381   if (aWasWholeContext) {
1382     //theShapes.Append(theValShape);
1383     //return;
1384     theValShape = theOldContext->shape()->impl<TopoDS_Shape>();
1385   }
1386   //TopoDS_Shape anOldContShape = theOldContext->shape()->impl<TopoDS_Shape>();
1387   TopoDS_Shape aNewContShape = theNewContext->shape()->impl<TopoDS_Shape>();
1388   //if (anOldContShape.IsSame(theValShape)) { // full context shape substituted by new full context
1389     //theShapes.Append(aNewContShape);
1390     //return;
1391   //}
1392   // if a new value is unchanged in the new context, do nothing: value is correct
1393   TopExp_Explorer aSubExp(aNewContShape, theValShape.ShapeType());
1394   for(; aSubExp.More(); aSubExp.Next()) {
1395     if (aSubExp.Current().IsSame(theValShape)) {
1396       theShapes.Append(theValShape);
1397       return;
1398     }
1399   }
1400   // if new context becomes compsolid, the resulting sub may be in sub-solids
1401   std::list<ResultPtr> aNewToIterate;
1402   aNewToIterate.push_back(theNewContext);
1403   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theNewContext);
1404   if (aComp.get()) {
1405     std::list<ResultPtr> allNewContextSubs;
1406     ModelAPI_Tools::allSubs(aComp, allNewContextSubs);
1407     std::list<ResultPtr>::iterator aSub = allNewContextSubs.begin();
1408     for(; aSub != allNewContextSubs.end(); aSub++) {
1409       ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSub);
1410       if (aBody.get() && aBody->numberOfSubs() == 0) // add only lower level subs
1411         aNewToIterate.push_back(aBody);
1412     }
1413   }
1414
1415   // first iteration: searching for the whole shape appearance (like face of the box)
1416   // second iteration: searching for sub-shapes that contain the sub (like vertex on faces)
1417   int aToFindPart = 0;
1418   TopTools_DataMapOfShapeShape aNewToOld; // map from new containers to old containers (with val)
1419   TopTools_MapOfShape anOlds; // to know how many olds produced new containers
1420   for(; aToFindPart != 2 && theShapes.IsEmpty(); aToFindPart++) {
1421     std::list<ResultPtr>::iterator aNewContIter = aNewToIterate.begin();
1422     for(; aNewContIter != aNewToIterate.end(); aNewContIter++) {
1423       std::shared_ptr<Model_Data> aNewData =
1424         std::dynamic_pointer_cast<Model_Data>((*aNewContIter)->data());
1425       TDF_Label aNewLab = aNewData->label();
1426       // searching for produced sub-shape fully on some label
1427       TDF_ChildIDIterator aNSIter(aNewLab, TNaming_NamedShape::GetID(), Standard_True);
1428       for(; aNSIter.More(); aNSIter.Next()) {
1429         Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
1430         for(TNaming_Iterator aPairIter(aNS); aPairIter.More(); aPairIter.Next()) {
1431           if (aToFindPart == 0) { // search shape is fully inside
1432             if (aPairIter.OldShape().IsSame(theValShape)) {
1433               if (aPairIter.NewShape().IsNull()) {// value was removed
1434                 theShapes.Clear();
1435                 return;
1436               }
1437               theShapes.Append(aPairIter.NewShape());
1438             }
1439           } else if (!aPairIter.OldShape().IsNull()) { // search shape that contains this sub
1440             TopExp_Explorer anExp(aPairIter.OldShape(), theValShape.ShapeType());
1441             for(; anExp.More(); anExp.Next()) {
1442               if (anExp.Current().IsSame(theValShape)) { // found a new container
1443                 if (aPairIter.NewShape().IsNull()) {// value was removed
1444                   theShapes.Clear();
1445                   return;
1446                 }
1447                 aNewToOld.Bind(aPairIter.NewShape(), aPairIter.OldShape());
1448                 anOlds.Add(aPairIter.OldShape());
1449                 break;
1450               }
1451             }
1452           }
1453         }
1454       }
1455     }
1456   }
1457   if (aToFindPart == 2 && !aNewToOld.IsEmpty()) {
1458     // map of sub-shapes -> number of occurences of these shapes in containers
1459     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher> aSubs;
1460     TopTools_DataMapOfShapeShape::Iterator aContIter(aNewToOld);
1461     for(; aContIter.More(); aContIter.Next()) {
1462       TopExp_Explorer aSubExp(aContIter.Key(), theValShape.ShapeType());
1463       for(; aSubExp.More(); aSubExp.Next()) {
1464         if (!aSubs.IsBound(aSubExp.Current())) {
1465           aSubs.Bind(aSubExp.Current(), TopTools_MapOfShape());
1466         }
1467         // store old to know how many olds produced this shape
1468         aSubs.ChangeFind(aSubExp.Current()).Add(aContIter.Value());
1469       }
1470     }
1471     // if sub is appeared same times in containers as the number of old shapes that contain it
1472     int aCountInOld = anOlds.Size();
1473     NCollection_DataMap<TopoDS_Shape, TopTools_MapOfShape, TopTools_ShapeMapHasher>::Iterator
1474       aSubsIter(aSubs);
1475     for(; aSubsIter.More(); aSubsIter.Next()) {
1476       if (aSubsIter.Value().Size() == aCountInOld) {
1477         theShapes.Append(aSubsIter.Key());
1478       }
1479     }
1480   }
1481   if (theShapes.IsEmpty()) { // nothing was changed
1482     theShapes.Append(aWasWholeContext ? TopoDS_Shape() : theValShape);
1483   }
1484 }
1485
1486 bool Model_AttributeSelection::searchNewContext(std::shared_ptr<Model_Document> theDoc,
1487   const TopoDS_Shape theContShape, ResultPtr theContext, TopoDS_Shape theValShape,
1488   TDF_Label theAccessLabel,
1489   std::list<ResultPtr>& theResults, TopTools_ListOfShape& theValShapes)
1490 {
1491   std::set<ResultPtr> aResults; // to avoid duplicates, new context, null if deleted
1492   TopTools_ListOfShape aResContShapes;
1493   // iterate context and shape, but also if it is sub-shape of main shape, check also it
1494   TopTools_ListOfShape aContextList;
1495   aContextList.Append(theContShape);
1496   if (theContext.get()) {
1497     ResultPtr aComposite = ModelAPI_Tools::bodyOwner(theContext);
1498     if (aComposite.get() && aComposite->shape().get() && !aComposite->shape()->isNull())
1499       aContextList.Append(aComposite->shape()->impl<TopoDS_Shape>());
1500   }
1501   for(TopTools_ListOfShape::Iterator aContIter(aContextList); aContIter.More(); aContIter.Next()) {
1502     TNaming_SameShapeIterator aModifIter(aContIter.ChangeValue(), theAccessLabel);
1503     for(; aModifIter.More(); aModifIter.Next()) {
1504       TDF_Label anObjLab = aModifIter.Label().Father();
1505       ResultPtr aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1506         (theDoc->objects()->object(anObjLab));
1507       if (!aModifierObj.get()) {
1508         // #2241: shape may be sub-element of new object, not main (shell created from faces)
1509         if (!anObjLab.IsRoot())
1510           aModifierObj = std::dynamic_pointer_cast<ModelAPI_Result>
1511           (theDoc->objects()->object(anObjLab.Father()));
1512         if (!aModifierObj.get())
1513           continue;
1514       }
1515       FeaturePtr aModifierFeat = theDoc->feature(aModifierObj);
1516       if (!aModifierFeat.get())
1517         continue;
1518       FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1519       if (aModifierFeat == aThisFeature || theDoc->objects()->isLater(aModifierFeat, aThisFeature))
1520         continue; // the modifier feature is later than this, so, should not be used
1521       FeaturePtr aCurrentModifierFeat = theDoc->feature(theContext);
1522       if (aCurrentModifierFeat == aModifierFeat ||
1523         theDoc->objects()->isLater(aCurrentModifierFeat, aModifierFeat))
1524         continue; // the current modifier is later than the found, so, useless
1525       Handle(TNaming_NamedShape) aNewNS;
1526       aModifIter.Label().FindAttribute(TNaming_NamedShape::GetID(), aNewNS);
1527       if (aNewNS->Evolution() == TNaming_MODIFY || aNewNS->Evolution() == TNaming_GENERATED) {
1528         aResults.insert(aModifierObj);
1529         //TNaming_Iterator aPairIter(aNewNS);
1530         //aResContShapes.Append(aPairIter.NewShape());
1531         aResContShapes.Append(aModifierObj->shape()->impl<TopoDS_Shape>());
1532       } else if (aNewNS->Evolution() == TNaming_DELETE) { // a shape was deleted => result is empty
1533         aResults.insert(ResultPtr());
1534       } else { // not-precessed modification => don't support it
1535         continue;
1536       }
1537     }
1538   }
1539   if (aResults.empty())
1540     return false; // no modifications found, must stay the same
1541   // iterate all results to find futher modifications
1542   std::set<ResultPtr>::iterator aResIter = aResults.begin();
1543   for(; aResIter != aResults.end(); aResIter++) {
1544     if (aResIter->get() != NULL) {
1545       // compute new values by two contextes: the old and the new
1546       TopTools_ListOfShape aValShapes;
1547       computeValues(theContext, *aResIter, theValShape, aValShapes);
1548
1549       TopTools_ListIteratorOfListOfShape aNewVal(aValShapes);
1550       for(; aNewVal.More(); aNewVal.Next()) {
1551         std::list<ResultPtr> aNewRes;
1552         TopTools_ListOfShape aNewUpdatedVal;
1553         TopoDS_Shape aNewValSh = aNewVal.Value();
1554         TopoDS_Shape aNewContShape = (*aResIter)->shape()->impl<TopoDS_Shape>();
1555         if (theValShape.IsNull() && aNewContShape.IsSame(aNewValSh))
1556           aNewValSh.Nullify();
1557         if (searchNewContext(theDoc, aNewContShape, *aResIter, aNewValSh,
1558                              theAccessLabel, aNewRes, aNewUpdatedVal))
1559         {
1560           // appeand new results instead of the current ones
1561           std::list<ResultPtr>::iterator aNewIter = aNewRes.begin();
1562           TopTools_ListIteratorOfListOfShape aNewUpdVal(aNewUpdatedVal);
1563           for(; aNewIter != aNewRes.end(); aNewIter++, aNewUpdVal.Next()) {
1564             theResults.push_back(*aNewIter);
1565             theValShapes.Append(aNewUpdVal.Value());
1566           }
1567         } else { // the current result is good
1568           theResults.push_back(*aResIter);
1569           theValShapes.Append(aNewValSh);
1570         }
1571       }
1572     }
1573   }
1574   return true; // theResults must be empty: everything is deleted
1575 }
1576
1577 void Model_AttributeSelection::updateInHistory()
1578 {
1579   ResultPtr aContext = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
1580   // only bodies and parts may be modified later in the history, don't do anything otherwise
1581   if (!aContext.get() || (aContext->groupName() != ModelAPI_ResultBody::group() &&
1582       aContext->groupName() != ModelAPI_ResultPart::group()))
1583     return;
1584   std::shared_ptr<Model_Document> aDoc =
1585     std::dynamic_pointer_cast<Model_Document>(aContext->document());
1586   std::shared_ptr<Model_Data> aContData = std::dynamic_pointer_cast<Model_Data>(aContext->data());
1587   if (!aContData.get() || !aContData->isValid())
1588     return;
1589   TDF_Label aContLab = aContData->label(); // named shape where the selected context is located
1590   Handle(TNaming_NamedShape) aContNS;
1591   if (!aContLab.FindAttribute(TNaming_NamedShape::GetID(), aContNS)) {
1592     bool aFoundNewContext = true;
1593     ResultPtr aNewContext = aContext;
1594     while(aFoundNewContext) {
1595       aFoundNewContext = false;
1596       // parts have no shape in result, so, trace references using the Part info
1597       if (aNewContext->groupName() == ModelAPI_ResultPart::group()) {
1598         ResultPartPtr aPartContext = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aNewContext);
1599         if (aPartContext.get()) { // searching for the up to date references to the referenced cont
1600           const std::set<AttributePtr>& aRefs = aPartContext->data()->refsToMe();
1601           std::set<AttributePtr>::const_iterator aRef = aRefs.begin();
1602           for(; aRef != aRefs.end(); aRef++) {
1603             // to avoid detection of part changes by local selection only
1604             AttributeSelectionPtr aSel =
1605               std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRef);
1606             if (aSel.get() && !aSel->value()->isSame(aSel->context()->shape()))
1607               continue;
1608
1609             FeaturePtr aRefFeat = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRef)->owner());
1610             if (aRefFeat.get() && aRefFeat != owner()) {
1611               FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1612               if (aDoc->objects()->isLater(aThisFeature, aRefFeat)) { // found better feature
1613                 aFoundNewContext = true;
1614                 aNewContext = aRefFeat->firstResult();
1615               }
1616             }
1617           }
1618         }
1619       }
1620     }
1621     if (aNewContext != aContext) {
1622       setValue(aNewContext, value());
1623     }
1624     return;
1625   }
1626   FeaturePtr aThisFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
1627   FeaturePtr aCurrentModifierFeat = aDoc->feature(aContext);
1628   // iterate the context shape modifications in order to find a feature that is upper in history
1629   // that this one and is really modifies the referenced result to refer to it
1630   ResultPtr aModifierResFound;
1631   TNaming_Iterator aPairIter(aContNS);
1632   if (!aPairIter.More())
1633     return;
1634   TopoDS_Shape aNewCShape = aPairIter.NewShape();
1635   bool anIterate = true;
1636   // trying to update also the sub-shape selected
1637   GeomShapePtr aSubShape = value();
1638   if (aSubShape.get() && aSubShape->isEqual(aContext->shape()))
1639     aSubShape.reset();
1640   TopoDS_Shape aValShape;
1641   if (aSubShape.get()) {
1642     aValShape = aSubShape->impl<TopoDS_Shape>();
1643   }
1644
1645   std::list<ResultPtr> aNewContexts;
1646   TopTools_ListOfShape aValShapes;
1647   if (searchNewContext(aDoc, aNewCShape, aContext, aValShape, aContLab, aNewContexts, aValShapes))
1648   {
1649     // update scope to reset to a new one
1650     myScope.Clear();
1651
1652     std::list<ResultPtr>::iterator aNewCont = aNewContexts.begin();
1653     TopTools_ListIteratorOfListOfShape aNewValues(aValShapes);
1654     if (aNewCont == aNewContexts.end()) { // all results were deleted
1655       ResultPtr anEmptyContext;
1656       std::shared_ptr<GeomAPI_Shape> anEmptyShape;
1657       setValue(anEmptyContext, anEmptyShape); // nullify the selection
1658       return;
1659     }
1660
1661     GeomShapePtr aValueShape;
1662     if (!aNewValues.Value().IsNull()) {
1663       aValueShape = std::make_shared<GeomAPI_Shape>();
1664       aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1665     }
1666     setValue(*aNewCont, aValueShape);
1667     // if there are more than one result, put them by "append" into "parent" list
1668     if (myParent) {
1669       for(aNewCont++, aNewValues.Next(); aNewCont != aNewContexts.end();
1670           aNewCont++, aNewValues.Next()) {
1671         GeomShapePtr aValueShape;
1672         if (!aNewValues.Value().IsNull()) {
1673           aValueShape = std::make_shared<GeomAPI_Shape>();
1674           aValueShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aNewValues.Value()));
1675         }
1676
1677         // Check that list has the same type of shape selection before adding.
1678         GeomAPI_Shape::ShapeType aListShapeType = GeomAPI_Shape::SHAPE;
1679         if (myParent->selectionType() == "VERTEX") aListShapeType = GeomAPI_Shape::VERTEX;
1680         else if (myParent->selectionType() == "EDGE") aListShapeType = GeomAPI_Shape::EDGE;
1681         else if (myParent->selectionType() == "FACE") aListShapeType = GeomAPI_Shape::FACE;
1682
1683         GeomAPI_Shape::ShapeType aShapeShapeType = GeomAPI_Shape::SHAPE;
1684         if (aValueShape.get()) {
1685           aShapeShapeType = aValueShape->shapeType();
1686         } else {
1687           (*aNewCont)->shape()->shapeType();
1688         }
1689
1690         if (aListShapeType != GeomAPI_Shape::SHAPE && aListShapeType != aShapeShapeType) {
1691           continue;
1692         }
1693
1694         myParent->append(*aNewCont, aValueShape);
1695       }
1696     }
1697   }
1698 }
1699
1700 void Model_AttributeSelection::setParent(Model_AttributeSelectionList* theParent)
1701 {
1702   myParent = theParent;
1703 }
1704
1705 bool Model_AttributeSelection::isWeakNaming()
1706 {
1707   return selectionLabel().IsAttribute(kWEAK_NAMING);
1708 }