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1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
2
3 // File:        Model_AttributeSelection.cpp
4 // Created:     2 Oct 2014
5 // Author:      Mikhail PONIKAROV
6
7 #include "Model_AttributeSelection.h"
8 #include "Model_Application.h"
9 #include "Model_Events.h"
10 #include "Model_Data.h"
11 #include "Model_Document.h"
12 #include "Model_SelectionNaming.h"
13 #include <ModelAPI_Feature.h>
14 #include <ModelAPI_ResultBody.h>
15 #include <ModelAPI_ResultConstruction.h>
16 #include <ModelAPI_ResultPart.h>
17 #include <ModelAPI_CompositeFeature.h>
18 #include <ModelAPI_Tools.h>
19 #include <GeomAPI_Shape.h>
20 #include <GeomAPI_PlanarEdges.h>
21 #include <Events_InfoMessage.h>
22
23 #include <TNaming_Selector.hxx>
24 #include <TNaming_NamedShape.hxx>
25 #include <TNaming_Tool.hxx>
26 #include <TNaming_Builder.hxx>
27 #include <TNaming_Localizer.hxx>
28 #include <TopoDS_Shape.hxx>
29 #include <TopoDS_Compound.hxx>
30 #include <TDataStd_IntPackedMap.hxx>
31 #include <TDataStd_Integer.hxx>
32 #include <TDataStd_UAttribute.hxx>
33 #include <TDataStd_Name.hxx>
34 #include <TopTools_MapOfShape.hxx>
35 #include <TopTools_IndexedMapOfShape.hxx>
36 #include <TopTools_MapIteratorOfMapOfShape.hxx>
37 #include <TopTools_ListOfShape.hxx>
38 #include <NCollection_DataMap.hxx>
39 #include <TopExp_Explorer.hxx>
40 #include <TDF_LabelMap.hxx>
41 #include <BRep_Tool.hxx>
42 #include <BRep_Builder.hxx>
43 #include <TopoDS_Edge.hxx>
44 #include <TopoDS.hxx>
45 #include <TopExp.hxx>
46 #include <TColStd_MapOfTransient.hxx>
47 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
48 #include <TopTools_ListIteratorOfListOfShape.hxx>
49 #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
50 #include <gp_Pnt.hxx>
51 #include <Precision.hxx>
52 #include <TDF_ChildIterator.hxx>
53 #include <TDF_ChildIDIterator.hxx>
54 #include <TDataStd_Name.hxx>
55 #include <TopAbs_ShapeEnum.hxx>
56 #include <TopoDS_Iterator.hxx>
57 #include <TNaming_Iterator.hxx>
58 #include <BRep_Builder.hxx>
59 using namespace std;
60 //#define DEB_NAMING 1
61 #ifdef DEB_NAMING
62 #include <BRepTools.hxx>
63 #endif
64 /// added to the index in the packed map to signalize that the vertex of edge is selected
65 /// (multiplied by the index of the edge)
66 static const int kSTART_VERTEX_DELTA = 1000000;
67 // identifier that there is simple reference: selection equals to context
68 Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
69 // simple reference in the construction
70 Standard_GUID kCONSTUCTION_SIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb28");
71 // reference to Part sub-object
72 Standard_GUID kPART_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb27");
73 // selection is invalid after recomputation
74 Standard_GUID kINVALID_SELECTION("bce47fd7-80fa-4462-9d63-2f58acddd49d");
75
76 // on this label is stored:
77 // TNaming_NamedShape - selected shape
78 // TNaming_Naming - topological selection information (for the body)
79 // TDataStd_IntPackedMap - indexes of edges in composite element (for construction)
80 // TDataStd_Integer - type of the selected shape (for construction)
81 // TDF_Reference - from ReferenceAttribute, the context
82 void Model_AttributeSelection::setValue(const ResultPtr& theContext,
83   const std::shared_ptr<GeomAPI_Shape>& theSubShape, const bool theTemporarily)
84 {
85   if (theTemporarily) { // just keep the stored without DF update
86     myTmpContext = theContext;
87     myTmpSubShape = theSubShape;
88     owner()->data()->sendAttributeUpdated(this);
89     return;
90   } else {
91     myTmpContext.reset();
92     myTmpSubShape.reset();
93   }
94
95   const std::shared_ptr<GeomAPI_Shape>& anOldShape = value();
96   bool isOldContext = theContext == myRef.value();
97   bool isOldShape = isOldContext &&
98     (theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
99   if (isOldShape) return; // shape is the same, so context is also unchanged
100   // update the referenced object if needed
101   if (!isOldContext) {
102       myRef.setValue(theContext);
103   }
104
105   // do noth use naming if selected shape is result shape itself, but not sub-shape
106   TDF_Label aSelLab = selectionLabel();
107   aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
108   aSelLab.ForgetAttribute(kCONSTUCTION_SIMPLE_REF_ID);
109   aSelLab.ForgetAttribute(kINVALID_SELECTION);
110
111   bool isDegeneratedEdge = false;
112   // do not use the degenerated edge as a shape, a null context and shape is used in the case
113   if (theSubShape.get() && !theSubShape->isNull() && theSubShape->isEdge()) {
114     const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
115     if (aSubShape.ShapeType() == TopAbs_EDGE)
116       isDegeneratedEdge = BRep_Tool::Degenerated(TopoDS::Edge(aSubShape)) == Standard_True;
117   }
118   if (!theContext.get() || isDegeneratedEdge) {
119     // to keep the reference attribute label
120     TDF_Label aRefLab = myRef.myRef->Label();
121     aSelLab.ForgetAllAttributes(true);
122     myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
123     return;
124   }
125   if (theContext->groupName() == ModelAPI_ResultBody::group()) {
126     // do not select the whole shape for body:it is already must be in the data framework
127     // equal and null selected objects mean the same: object is equal to context,
128     if (theContext->shape().get() && 
129         (theContext->shape()->isEqual(theSubShape) || !theSubShape.get())) {
130       aSelLab.ForgetAllAttributes(true);
131       TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
132     } else {
133       selectBody(theContext, theSubShape);
134     }
135   } else if (theContext->groupName() == ModelAPI_ResultConstruction::group()) {
136     if (!theSubShape.get()) {
137       // to sub, so the whole result is selected
138       aSelLab.ForgetAllAttributes(true);
139       TDataStd_UAttribute::Set(aSelLab, kCONSTUCTION_SIMPLE_REF_ID);
140       ResultConstructionPtr aConstruction = 
141         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theContext);
142       if (aConstruction->isInfinite()) {
143         // For correct naming selection, put the shape into the naming structure.
144         // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
145         TNaming_Builder aBuilder(aSelLab);
146         aBuilder.Generated(theContext->shape()->impl<TopoDS_Shape>());
147         std::shared_ptr<Model_Document> aMyDoc = 
148           std::dynamic_pointer_cast<Model_Document>(owner()->document());
149         std::string aName = theContext->data()->name();
150         aMyDoc->addNamingName(aSelLab, aName);
151         TDataStd_Name::Set(aSelLab, aName.c_str());
152       } else {  // for sketch the naming is needed in DS
153         BRep_Builder aCompoundBuilder;
154         TopoDS_Compound aComp;
155         aCompoundBuilder.MakeCompound(aComp);
156         for(int a = 0; a < aConstruction->facesNum(); a++) {
157           TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
158           aCompoundBuilder.Add(aComp, aFace);
159         }
160         std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
161         aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
162         selectConstruction(theContext, aShape);
163       }
164     } else {
165       selectConstruction(theContext, theSubShape);
166     }
167   } else if (theContext->groupName() == ModelAPI_ResultPart::group()) {
168     aSelLab.ForgetAllAttributes(true);
169     TDataStd_UAttribute::Set(aSelLab, kPART_REF_ID);
170     selectPart(theContext, theSubShape);
171   }
172   //the attribute initialized state should be changed by sendAttributeUpdated only
173   //myIsInitialized = true;
174
175   owner()->data()->sendAttributeUpdated(this);
176
177   std::string aSelName = namingName();
178   if(!aSelName.empty())
179     TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
180 }
181
182 std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
183 {
184   GeomShapePtr aResult;
185   if (myTmpContext.get() || myTmpSubShape.get()) {
186     ResultConstructionPtr aResulConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(myTmpContext);
187     if(aResulConstruction.get()) {
188       // it is just reference to construction.
189       return myTmpSubShape;
190     }
191     return myTmpSubShape.get() ? myTmpSubShape : myTmpContext->shape();
192   }
193
194   TDF_Label aSelLab = selectionLabel();
195   if (aSelLab.IsAttribute(kINVALID_SELECTION))
196     return aResult;
197
198   if (myRef.isInitialized()) {
199     if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
200       ResultPtr aContext = context();
201       if (!aContext.get()) 
202         return aResult; // empty result
203       return aContext->shape();
204     }
205     if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
206         return aResult; // empty result
207     }
208     if (aSelLab.IsAttribute(kPART_REF_ID)) {
209       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(context());
210       if (!aPart.get() || !aPart->isActivated())
211         return std::shared_ptr<GeomAPI_Shape>(); // postponed naming needed
212       Handle(TDataStd_Integer) anIndex;
213       if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) {
214         if (anIndex->Get()) { // special selection attribute was created, use it
215           return aPart->selectionValue(anIndex->Get());
216         } else { // face with name is already in the data model, so try to take it by name
217           Handle(TDataStd_Name) aName;
218           if (selectionLabel().FindAttribute(TDataStd_Name::GetID(), aName)) {
219             std::string aSubShapeName(TCollection_AsciiString(aName->Get()).ToCString());
220             std::size_t aPartEnd = aSubShapeName.find('/');
221             if (aPartEnd != string::npos && aPartEnd != aSubShapeName.rfind('/')) {
222               string aNameInPart = aSubShapeName.substr(aPartEnd + 1);
223               int anIndex;
224               std::string aType; // to reuse already existing selection the type is not needed
225               return aPart->shapeInPart(aNameInPart, aType, anIndex);
226             }
227           }
228         }
229       }
230     }
231
232     Handle(TNaming_NamedShape) aSelection;
233     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
234       TopoDS_Shape aSelShape = aSelection->Get();
235       aResult = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
236       aResult->setImpl(new TopoDS_Shape(aSelShape));
237     } else { // for simple construction element: just shape of this construction element
238       ResultConstructionPtr aConstr = 
239         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
240       if (aConstr) {
241         return aConstr->shape();
242       }
243     }
244   }
245   return aResult;
246 }
247
248 bool Model_AttributeSelection::isInvalid()
249 {
250   return selectionLabel().IsAttribute(kINVALID_SELECTION) == Standard_True;
251 }
252
253 bool Model_AttributeSelection::isInitialized()
254 {
255   if (ModelAPI_AttributeSelection::isInitialized()) { // additional checks if it is initialized
256     std::shared_ptr<GeomAPI_Shape> aResult;
257     if (myRef.isInitialized()) {
258       TDF_Label aSelLab = selectionLabel();
259       if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
260         ResultPtr aContext = context();
261         return aContext.get() != NULL;
262       }
263       if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, nothing is in value
264           return true;
265       }
266
267       Handle(TNaming_NamedShape) aSelection;
268       if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
269         return !aSelection->Get().IsNull();
270       } else { // for simple construction element: just shape of this construction element
271         ResultConstructionPtr aConstr = 
272           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(context());
273         if (aConstr.get()) {
274           return aConstr->shape().get() != NULL;
275         }
276       }
277     }
278   }
279   return false;
280 }
281
282 Model_AttributeSelection::Model_AttributeSelection(TDF_Label& theLabel)
283   : myRef(theLabel)
284 {
285   myIsInitialized = myRef.isInitialized();
286 }
287
288 void Model_AttributeSelection::setID(const std::string theID)
289 {
290   myRef.setID(theID);
291   ModelAPI_AttributeSelection::setID(theID);
292 }
293
294 ResultPtr Model_AttributeSelection::context() {
295   if (myTmpContext.get() || myTmpSubShape.get()) {
296     return myTmpContext;
297   }
298
299   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
300   // for parts there could be same-data result, so take the last enabled
301   if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group()) {
302     int aSize = aResult->document()->size(ModelAPI_ResultPart::group());
303     for(int a = aSize - 1; a >= 0; a--) {
304       ObjectPtr aPart = aResult->document()->object(ModelAPI_ResultPart::group(), a);
305       if (aPart.get() && aPart->data() == aResult->data()) {
306         ResultPtr aPartResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPart);
307         FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
308         // check that this result is not this-feature result (it is forbidden t oselect itself)
309         if (anOwnerFeature.get() && anOwnerFeature->firstResult() != aPartResult) {
310           return aPartResult;
311         }
312       }
313     }
314   }
315   return aResult;
316 }
317
318
319 void Model_AttributeSelection::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
320 {
321   ModelAPI_AttributeSelection::setObject(theObject);
322   myRef.setObject(theObject);
323 }
324
325 TDF_LabelMap& Model_AttributeSelection::scope()
326 {
327   if (myScope.IsEmpty()) { // create a new scope if not yet done
328     // gets all features with named shapes that are before this feature label (before in history)
329     DocumentPtr aMyDoc = owner()->document();
330     std::list<std::shared_ptr<ModelAPI_Feature> > allFeatures = aMyDoc->allFeatures();
331     std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFIter = allFeatures.begin();
332     bool aMePassed = false;
333     CompositeFeaturePtr aComposite = 
334       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(owner());
335     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
336     CompositeFeaturePtr aCompositeOwner, aCompositeOwnerOwner;
337     if (aFeature.get()) {
338       aCompositeOwner = ModelAPI_Tools::compositeOwner(aFeature);
339       if (aCompositeOwner.get()) {
340          aCompositeOwnerOwner = ModelAPI_Tools::compositeOwner(aCompositeOwner);
341       }
342     }
343     // for group Scope is not limitet: this is always up to date objects
344     bool isGroup = aFeature.get() && aFeature->getKind() == "Group";
345     for(; aFIter != allFeatures.end(); aFIter++) {
346       if (*aFIter == owner()) {  // the left features are created later (except subs of composite)
347         aMePassed = true;
348         continue;
349       }
350       if (isGroup) aMePassed = false;
351       bool isInScope = !aMePassed;
352       if (!isInScope && aComposite.get()) { // try to add sub-elements of composite if this is composite
353         if (aComposite->isSub(*aFIter))
354           isInScope = true;
355       }
356       // remove the composite-owner of this feature (sketch in extrusion-cut)
357       if (isInScope && (aCompositeOwner == *aFIter || aCompositeOwnerOwner == *aFIter))
358         isInScope = false;
359
360       if (isInScope && aFIter->get() && (*aFIter)->data()->isValid()) {
361         TDF_Label aFeatureLab = std::dynamic_pointer_cast<Model_Data>(
362           (*aFIter)->data())->label().Father();
363         TDF_ChildIDIterator aNSIter(aFeatureLab, TNaming_NamedShape::GetID(), 1);
364         for(; aNSIter.More(); aNSIter.Next()) {
365           Handle(TNaming_NamedShape) aNS = Handle(TNaming_NamedShape)::DownCast(aNSIter.Value());
366           if (!aNS.IsNull() && aNS->Evolution() != TNaming_SELECTED) {
367             myScope.Add(aNS->Label());
368           }
369         }
370       }
371     }
372   }
373   return myScope;
374 }
375
376 /// Sets the invalid flag if flag is false, or removes it if "true"
377 /// Returns theFlag
378 static bool setInvalidIfFalse(TDF_Label& theLab, const bool theFlag) {
379   if (theFlag) {
380     theLab.ForgetAttribute(kINVALID_SELECTION);
381   } else {
382     TDataStd_UAttribute::Set(theLab, kINVALID_SELECTION);
383   }
384   return theFlag;
385 }
386
387 bool Model_AttributeSelection::update()
388 {
389   TDF_Label aSelLab = selectionLabel();
390   ResultPtr aContext = context();
391   if (!aContext.get()) 
392     return setInvalidIfFalse(aSelLab, false);
393   if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
394     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
395   }
396   if (aSelLab.IsAttribute(kCONSTUCTION_SIMPLE_REF_ID)) { // it is just reference to construction, not sub-shape
397     // if there is a sketch, the sketch-naming must be updated
398     ResultConstructionPtr aConstruction = 
399       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
400     if (!aConstruction->isInfinite()) {
401       BRep_Builder aCompoundBuilder;
402       TopoDS_Compound aComp;
403       aCompoundBuilder.MakeCompound(aComp);
404       for(int a = 0; a < aConstruction->facesNum(); a++) {
405         TopoDS_Shape aFace = aConstruction->face(a)->impl<TopoDS_Shape>();
406         aCompoundBuilder.Add(aComp, aFace);
407       }
408       std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape);
409       aShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aComp));
410       selectConstruction(aContext, aShape);
411     } else {
412       // For correct naming selection, put the shape into the naming structure.
413       // It seems sub-shapes are not needed: only this shape is (and can be ) selected.
414       TNaming_Builder aBuilder(aSelLab);
415       aBuilder.Generated(aContext->shape()->impl<TopoDS_Shape>());
416       std::shared_ptr<Model_Document> aMyDoc = 
417         std::dynamic_pointer_cast<Model_Document>(owner()->document());
418       std::string aName = aContext->data()->name();
419       aMyDoc->addNamingName(aSelLab, aName);
420       TDataStd_Name::Set(aSelLab, aName.c_str());
421     }
422     return setInvalidIfFalse(aSelLab, aContext->shape() && !aContext->shape()->isNull());
423   }
424
425   if (aSelLab.IsAttribute(kPART_REF_ID)) { // it is reference to the part object
426     std::shared_ptr<GeomAPI_Shape> aNoSelection;
427     bool aResult = selectPart(aContext, aNoSelection, true);
428     aResult = setInvalidIfFalse(aSelLab, aResult);
429     if (aResult) {
430       owner()->data()->sendAttributeUpdated(this);
431     }
432     return aResult;
433   }
434
435   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
436     // body: just a named shape, use selection mechanism from OCCT
437     TNaming_Selector aSelector(aSelLab);
438     bool aResult = aSelector.Solve(scope()) == Standard_True;
439     aResult = setInvalidIfFalse(aSelLab, aResult); // must be before sending of updated attribute (1556)
440     owner()->data()->sendAttributeUpdated(this);
441     return aResult;
442   } else if (aContext->groupName() == ModelAPI_ResultConstruction::group()) {
443     // construction: identification by the results indexes, recompute faces and
444     // take the face that more close by the indexes
445     ResultConstructionPtr aConstructionContext = 
446       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
447     FeaturePtr aContextFeature = aContext->document()->feature(aContext);
448     // sketch sub-element
449     if (aConstructionContext && 
450         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature).get())
451     {
452       TDF_Label aLab = myRef.myRef->Label();
453       // getting a type of selected shape
454       Handle(TDataStd_Integer) aTypeAttr;
455       if (!aLab.FindAttribute(TDataStd_Integer::GetID(), aTypeAttr)) {
456         return setInvalidIfFalse(aSelLab, false);
457       }
458       TopAbs_ShapeEnum aShapeType = (TopAbs_ShapeEnum)(aTypeAttr->Get());
459       // selected indexes will be needed in each "if"
460       Handle(TDataStd_IntPackedMap) aSubIds;
461       std::shared_ptr<GeomAPI_Shape> aNewSelected;
462       bool aNoIndexes = 
463         !aLab.FindAttribute(TDataStd_IntPackedMap::GetID(), aSubIds) || aSubIds->Extent() == 0;
464       // for now working only with composite features
465       CompositeFeaturePtr aComposite = 
466         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
467       if (!aComposite.get() || aComposite->numberOfSubs() == 0) {
468         return setInvalidIfFalse(aSelLab, false);
469       }
470
471       if (aShapeType == TopAbs_FACE || aShapeType == TopAbs_WIRE) { // compound is for the whole sketch selection
472         // If this is a wire with plane defined then it is a sketch-like object
473         if (!aConstructionContext->facesNum()) // no faces, update can not work correctly
474           return setInvalidIfFalse(aSelLab, false);
475         // if there is no edges indexes, any face can be used: take the first
476         std::shared_ptr<GeomAPI_Shape> aNewSelected;
477         if (aNoIndexes) {
478           aNewSelected = aConstructionContext->face(0);
479         } else { // searching for most looks-like initial face by the indexes
480           // prepare edges of the current result for the fast searching
481           NCollection_DataMap<Handle(Geom_Curve), int> allCurves; // curves and orientations of edges
482           const int aSubNum = aComposite->numberOfSubs();
483           for(int a = 0; a < aSubNum; a++) {
484             int aSubID = aComposite->subFeatureId(a);
485             if (aSubIds->Contains(aSubID)) {
486               FeaturePtr aSub = aComposite->subFeature(a);
487               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
488               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes;
489               for(aRes = aResults.cbegin(); aRes != aResults.cend(); aRes++) {
490                 ResultConstructionPtr aConstr = 
491                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
492                 if (aConstr->shape() && aConstr->shape()->isEdge()) {
493                   const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
494                   TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
495                   if (!anEdge.IsNull()) {
496                     Standard_Real aFirst, aLast;
497                     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
498                     // searching for orientation information
499                     int anOrient = 0;
500                     Handle(TDataStd_Integer) anInt;
501                     if (aSelLab.FindChild(aSubID).FindAttribute(TDataStd_Integer::GetID(), anInt)){
502                       anOrient = anInt->Get();
503                     }
504                     allCurves.Bind(aCurve, anOrient);
505                   }
506                 }
507               }
508             }
509           }
510           aNewSelected = Model_SelectionNaming::findAppropriateFace(aContext, allCurves);
511         }
512         if (aNewSelected) { // store this new selection
513           if (aShapeType == TopAbs_WIRE) { // just get a wire from face to have wire
514             TopExp_Explorer aWireExp(aNewSelected->impl<TopoDS_Shape>(), TopAbs_WIRE);
515             if (aWireExp.More()) {
516               aNewSelected.reset(new GeomAPI_Shape);
517               aNewSelected->setImpl<TopoDS_Shape>(new TopoDS_Shape(aWireExp.Current()));
518             }
519           }
520           selectConstruction(aContext, aNewSelected);
521           setInvalidIfFalse(aSelLab, true);
522           owner()->data()->sendAttributeUpdated(this);
523           return true;
524         } else { // if the selection is not found, put the empty shape: it's better to have disappeared shape, than the old, the lost one
525           TNaming_Builder anEmptyBuilder(selectionLabel());
526           return setInvalidIfFalse(aSelLab, false);
527         }
528       } else if (aShapeType == TopAbs_EDGE) {
529         // just reselect the edge by the id
530         const int aSubNum = aComposite->numberOfSubs();
531         for(int a = 0; a < aSubNum; a++) {
532           // if aSubIds take any, the first appropriate
533           if (aSubIds->IsEmpty() || aSubIds->Contains(aComposite->subFeatureId(a))) {
534             // found the appropriate feature
535             FeaturePtr aFeature = aComposite->subFeature(a);
536             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
537               aFeature->results().cbegin();
538             for(;aResIter != aFeature->results().cend(); aResIter++) {
539               ResultConstructionPtr aRes = 
540                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
541               if (aRes && aRes->shape() && aRes->shape()->isEdge()) { // found!
542                 selectConstruction(aContext, aRes->shape());
543                 setInvalidIfFalse(aSelLab, true);
544                 owner()->data()->sendAttributeUpdated(this);
545                 return true;
546               }
547             }
548           }
549         }
550       } else if (aShapeType == TopAbs_VERTEX) {
551         // just reselect the vertex by the id of edge
552         const int aSubNum = aComposite->numberOfSubs();
553         for(int a = 0; a < aSubNum; a++) {
554           // if aSubIds take any, the first appropriate
555           int aFeatureID = aComposite->subFeatureId(a);
556           if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
557             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
558             aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
559               // searching for deltas
560               int aVertexNum = 0;
561               if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
562               else if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) aVertexNum = 2;
563               // found the feature with appropriate edge
564               FeaturePtr aFeature = aComposite->subFeature(a);
565               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter =
566                 aFeature->results().cbegin();
567               for(;aResIter != aFeature->results().cend(); aResIter++) {
568                 ResultConstructionPtr aRes = 
569                   std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIter);
570                 if (aRes && aRes->shape()) {
571                   if (aRes->shape()->isVertex() && aVertexNum == 0) { // found!
572                     selectConstruction(aContext, aRes->shape());
573                     setInvalidIfFalse(aSelLab, true);
574                     owner()->data()->sendAttributeUpdated(this);
575                     return true;
576                   } else if (aRes->shape()->isEdge() && aVertexNum > 0) {
577                     const TopoDS_Shape& anEdge = aRes->shape()->impl<TopoDS_Shape>();
578                     int aVIndex = 1;
579                     for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
580                       if (aVIndex == aVertexNum) { // found!
581                         std::shared_ptr<GeomAPI_Shape> aVertex(new GeomAPI_Shape);
582                         aVertex->setImpl(new TopoDS_Shape(aVExp.Current()));
583                         selectConstruction(aContext, aVertex);
584                         setInvalidIfFalse(aSelLab, true);
585                         owner()->data()->sendAttributeUpdated(this);
586                         return true;
587                       }
588                       aVIndex++;
589                     }
590                   }
591                 }
592               }
593           }
594         }
595       }
596     } else { // simple construction element: the selected is that needed
597       selectConstruction(aContext, aContext->shape());
598       setInvalidIfFalse(aSelLab, true);
599       owner()->data()->sendAttributeUpdated(this);
600       return true;
601     }
602   }
603   return setInvalidIfFalse(aSelLab, false); // unknown case
604 }
605
606
607 void Model_AttributeSelection::selectBody(
608   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
609 {
610   // perform the selection
611   TNaming_Selector aSel(selectionLabel());
612   TopoDS_Shape aContext;
613
614   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(myRef.value());
615   if (aBody) {
616     aContext = aBody->shape()->impl<TopoDS_Shape>();
617   } else {
618     ResultPtr aResult = 
619       std::dynamic_pointer_cast<ModelAPI_Result>(myRef.value());
620     if (aResult) {
621       aContext = aResult->shape()->impl<TopoDS_Shape>();
622     } else {
623       Events_InfoMessage("Model_AttributeSelection", "A result with shape is expected").send();
624       return;
625     }
626   }
627   TopoDS_Shape aNewShape = theSubShape ? theSubShape->impl<TopoDS_Shape>() : aContext;
628   /// fix for issue 411: result modified shapes must not participate in this selection mechanism
629   FeaturePtr aFeatureOwner = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
630   if (aFeatureOwner.get())
631     aFeatureOwner->eraseResults();
632   if (!aContext.IsNull()) {
633     aSel.Select(aNewShape, aContext); 
634   }
635 }
636
637 /// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
638 /// if theID is zero, 
639 /// theOrientation is additional information about the positioning of edge relatively to face
640 ///    it is stored in the integer attribute of the edge sub-label: 
641 ///    -1 is out, 1 is in, 0 is not needed
642 static void registerSubShape(TDF_Label theMainLabel, TopoDS_Shape theShape,
643   const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
644   std::string theAdditionalName, std::map<int, int>& theOrientations,
645   Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)(),
646   const int theOrientation = 0)
647 {
648   TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
649   if (theOrientation != 0) { // store the orientation of edge relatively to face if needed
650     TDataStd_Integer::Set(aLab, theOrientation);
651   }
652   TNaming_Builder aBuilder(aLab);
653   aBuilder.Generated(theShape);
654   std::stringstream aName;
655   aName<<theContextFeature->name()<<"/";
656   if (!theAdditionalName.empty())
657     aName<<theAdditionalName<<"/";
658   if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
659   else if (theShape.ShapeType() == TopAbs_WIRE) aName<<"Wire";
660   else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
661   else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
662
663   if (theRefs.IsNull()) {
664     aName<<theID;
665     if (theOrientation == 1)
666       aName<<"f";
667     else if (theOrientation == -1)
668       aName<<"r";
669   } else { // make a composite name from all sub-elements indexes: "1_2_3_4"
670     TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
671     for(; aRef.More(); aRef.Next()) {
672       aName<<"-"<<aRef.Key();
673       if (theOrientations.find(aRef.Key()) != theOrientations.end()) {
674         if (theOrientations[aRef.Key()] == 1)
675           aName<<"f";
676         else if (theOrientations[aRef.Key()] == -1)
677           aName<<"r";
678       }
679     }
680   }
681
682   theDoc->addNamingName(aLab, aName.str());
683   TDataStd_Name::Set(aLab, aName.str().c_str());
684 }
685
686 void Model_AttributeSelection::selectConstruction(
687   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
688 {
689   std::shared_ptr<Model_Document> aMyDoc = 
690     std::dynamic_pointer_cast<Model_Document>(owner()->document());
691   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
692   CompositeFeaturePtr aComposite = 
693     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
694   const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
695   if (!aComposite || aComposite->numberOfSubs() == 0) {
696     // saving of context is enough: result construction contains exactly the needed shape
697     TNaming_Builder aBuilder(selectionLabel());
698     aBuilder.Generated(aSubShape);
699     aMyDoc->addNamingName(selectionLabel(), theContext->data()->name());
700     TDataStd_Name::Set(selectionLabel(), theContext->data()->name().c_str());
701     return;
702   }
703   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(owner()->data());
704   TDF_Label aLab = myRef.myRef->Label();
705   // identify the results of sub-object of the composite by edges
706   // save type of the selected shape in integer attribute
707   TopAbs_ShapeEnum aShapeType = aSubShape.ShapeType();
708   TDataStd_Integer::Set(aLab, (int)aShapeType);
709   gp_Pnt aVertexPos;
710   TColStd_MapOfTransient allCurves;
711   if (aShapeType == TopAbs_VERTEX) { // compare positions
712     aVertexPos = BRep_Tool::Pnt(TopoDS::Vertex(aSubShape));
713   } else { 
714     for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
715       TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
716       Standard_Real aFirst, aLast;
717       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
718       allCurves.Add(aCurve);
719     }
720   }
721   // iterate and store the result ids of sub-elements and sub-elements to sub-labels
722   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
723   std::map<int, int> anOrientations; //map from edges IDs to orientations of these edges in face
724   aRefs->Clear();
725   const int aSubNum = aComposite->numberOfSubs();
726   for(int a = 0; a < aSubNum; a++) {
727     FeaturePtr aSub = aComposite->subFeature(a);
728     const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
729     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResults.cbegin();
730     // there may be many shapes (circle and center): register if at least one is in selection
731     for(; aRes != aResults.cend(); aRes++) {
732       ResultConstructionPtr aConstr = 
733         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aRes);
734       if (!aConstr->shape()) {
735         continue;
736       }
737       if (aShapeType == TopAbs_VERTEX) {
738         if (aConstr->shape()->isVertex()) { // compare vertices positions
739           const TopoDS_Shape& aVertex = aConstr->shape()->impl<TopoDS_Shape>();
740           gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVertex));
741           if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
742             aRefs->Add(aComposite->subFeatureId(a));
743           }
744         } else { // get first or last vertex of the edge: last is stored with additional delta
745           const TopoDS_Shape& anEdge = aConstr->shape()->impl<TopoDS_Shape>();
746           int aDelta = kSTART_VERTEX_DELTA;
747           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
748             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
749             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
750               aRefs->Add(aDelta + aComposite->subFeatureId(a));
751               break;
752             }
753             aDelta += kSTART_VERTEX_DELTA;
754           }
755         }
756       } else {
757         if (aConstr->shape()->isEdge()) {
758           const TopoDS_Shape& aResShape = aConstr->shape()->impl<TopoDS_Shape>();
759           TopoDS_Edge anEdge = TopoDS::Edge(aResShape);
760           if (!anEdge.IsNull()) {
761             Standard_Real aFirst, aLast;
762             Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
763             if (allCurves.Contains(aCurve)) {
764               int anID = aComposite->subFeatureId(a);
765               aRefs->Add(anID);
766               if (aShapeType != TopAbs_EDGE) { // face needs the sub-edges on sub-labels
767                 // add edges to sub-label to support naming for edges selection
768                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
769                 for(; anEdgeExp.More(); anEdgeExp.Next()) {
770                   TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
771                   Standard_Real aFirst, aLast;
772                   Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
773                   if (aFaceCurve == aCurve) {
774                     int anOrient = Model_SelectionNaming::edgeOrientation(aSubShape, anEdge);
775                     anOrientations[anID] = anOrient;
776                     registerSubShape(
777                       selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "", anOrientations,
778                       Handle(TDataStd_IntPackedMap)(), anOrient);
779                   }
780                 }
781               } else { // put vertices of the selected edge to sub-labels
782                 // add edges to sub-label to support naming for edges selection
783                 TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
784                 int aTagIndex = anID + kSTART_VERTEX_DELTA;
785                 for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
786                   TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
787
788                   std::stringstream anAdditionalName; 
789                   registerSubShape(
790                     selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc, "", anOrientations);
791                 }
792               }
793             }
794           }
795         }
796       }
797     }
798   }
799   // store the selected as primitive
800   TNaming_Builder aBuilder(selectionLabel());
801   aBuilder.Generated(aSubShape);
802     registerSubShape(
803       selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", anOrientations, aRefs); 
804 }
805
806 bool Model_AttributeSelection::selectPart(
807   const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape,
808   const bool theUpdate)
809 {
810   ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theContext);
811   if (!aPart.get() || !aPart->isActivated())
812     return true; // postponed naming
813   if (theUpdate) {
814     Handle(TDataStd_Integer) anIndex;
815     if (selectionLabel().FindAttribute(TDataStd_Integer::GetID(), anIndex)) { // by internal selection
816       if (anIndex->Get() > 0) {
817         // update the selection by index
818         return aPart->updateInPart(anIndex->Get());
819       } else {
820         return true; // nothing to do, referencing just by name
821       }
822     }
823     return true; // nothing to do, referencing just by name
824   }
825   // store the shape (in case part is not loaded it should be useful
826   TopoDS_Shape aShape;
827   std::string aName = theContext->data()->name();
828   if (!theSubShape.get() || theSubShape->isNull()) {// the whole part shape is selected
829     aShape = theContext->shape()->impl<TopoDS_Shape>();
830   } else {
831     aShape = theSubShape->impl<TopoDS_Shape>();
832     int anIndex;
833     aName += "/" + aPart->nameInPart(theSubShape, anIndex);
834     TDataStd_Integer::Set(selectionLabel(), anIndex);
835   }
836   TNaming_Builder aBuilder(selectionLabel());
837   aBuilder.Select(aShape, aShape);
838   // identify by name in the part
839   TDataStd_Name::Set(selectionLabel(), aName.c_str());
840   return !aName.empty();
841 }
842
843 TDF_Label Model_AttributeSelection::selectionLabel()
844 {
845   return myRef.myRef->Label().FindChild(1);
846 }
847
848 std::string Model_AttributeSelection::namingName(const std::string& theDefaultName)
849 {
850   std::string aName("");
851   if(!this->isInitialized())
852     return !theDefaultName.empty() ? theDefaultName : aName;
853   Handle(TDataStd_Name) anAtt;
854   if(selectionLabel().FindAttribute(TDataStd_Name::GetID(), anAtt)) {
855     aName = TCollection_AsciiString(anAtt->Get()).ToCString();
856     return aName;
857   }
858
859   std::shared_ptr<GeomAPI_Shape> aSubSh = value();
860   ResultPtr aCont = context();
861
862   Model_SelectionNaming aSelNaming(selectionLabel());
863   return aSelNaming.namingName(aCont, aSubSh, theDefaultName);
864 }
865
866 // type ::= COMP | COMS | SOLD | SHEL | FACE | WIRE | EDGE | VERT
867 void Model_AttributeSelection::selectSubShape(
868   const std::string& theType, const std::string& theSubShapeName)
869 {
870   if(theSubShapeName.empty() || theType.empty()) return;
871
872   // check this is Part-name: 2 delimiters in the name
873   std::size_t aPartEnd = theSubShapeName.find('/');
874   if (aPartEnd != string::npos && aPartEnd != theSubShapeName.rfind('/')) {
875     std::string aPartName = theSubShapeName.substr(0, aPartEnd);
876     ObjectPtr aFound = owner()->document()->objectByName(ModelAPI_ResultPart::group(), aPartName);
877     if (aFound.get()) { // found such part, so asking it for the name
878       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aFound);
879       string aNameInPart = theSubShapeName.substr(aPartEnd + 1);
880       int anIndex;
881       std::shared_ptr<GeomAPI_Shape> aSelected = aPart->shapeInPart(aNameInPart, theType, anIndex);
882       if (aSelected.get()) {
883         setValue(aPart, aSelected);
884         TDataStd_Integer::Set(selectionLabel(), anIndex);
885         return;
886       }
887     }
888   }
889
890   Model_SelectionNaming aSelNaming(selectionLabel());
891   std::shared_ptr<Model_Document> aDoc = 
892     std::dynamic_pointer_cast<Model_Document>(owner()->document());
893   std::shared_ptr<GeomAPI_Shape> aShapeToBeSelected;
894   ResultPtr aCont;
895   if (aSelNaming.selectSubShape(theType, theSubShapeName, aDoc, aShapeToBeSelected, aCont)) {
896     setValue(aCont, aShapeToBeSelected);
897   }
898 }
899
900 int Model_AttributeSelection::Id()
901 {
902   int anID = 0;
903   std::shared_ptr<GeomAPI_Shape> aSelection = value();
904   std::shared_ptr<GeomAPI_Shape> aContext = context()->shape();
905   // support for compsolids:
906   if (context().get() && ModelAPI_Tools::compSolidOwner(context()).get())
907     aContext = ModelAPI_Tools::compSolidOwner(context())->shape();
908
909
910   TopoDS_Shape aMainShape = aContext->impl<TopoDS_Shape>();
911   const TopoDS_Shape& aSubShape = aSelection->impl<TopoDS_Shape>();
912   // searching for the latest main shape
913   if (aSelection && !aSelection->isNull() &&
914     aContext   && !aContext->isNull())
915   {
916     std::shared_ptr<Model_Document> aDoc =
917       std::dynamic_pointer_cast<Model_Document>(context()->document());
918     if (aDoc.get()) {
919       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
920       if (!aNS.IsNull()) {
921         aMainShape = TNaming_Tool::CurrentShape(aNS);
922       }
923     }
924
925     TopTools_IndexedMapOfShape aSubShapesMap;
926     TopExp::MapShapes(aMainShape, aSubShapesMap);
927     anID = aSubShapesMap.FindIndex(aSubShape);
928   }
929   return anID;
930 }
931
932 void Model_AttributeSelection::setId(int theID)
933 {
934   const ResultPtr& aContext = context();
935   std::shared_ptr<GeomAPI_Shape> aSelection;
936
937   std::shared_ptr<GeomAPI_Shape> aContextShape = aContext->shape();
938   // support for compsolids:
939   if (aContext.get() && ModelAPI_Tools::compSolidOwner(aContext).get())
940     aContextShape = ModelAPI_Tools::compSolidOwner(aContext)->shape();
941
942   TopoDS_Shape aMainShape = aContextShape->impl<TopoDS_Shape>();
943   // searching for the latest main shape
944   if (theID > 0 &&
945       aContextShape && !aContextShape->isNull())
946   {
947     std::shared_ptr<Model_Document> aDoc =
948       std::dynamic_pointer_cast<Model_Document>(aContext->document());
949     if (aDoc.get()) {
950       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aMainShape, aDoc->generalLabel());
951       if (!aNS.IsNull()) {
952         aMainShape = TNaming_Tool::CurrentShape(aNS);
953       }
954     }
955
956     TopTools_IndexedMapOfShape aSubShapesMap;
957     TopExp::MapShapes(aMainShape, aSubShapesMap);
958     const TopoDS_Shape& aSelShape = aSubShapesMap.FindKey(theID);
959
960     std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
961     aResult->setImpl(new TopoDS_Shape(aSelShape));
962
963     aSelection = aResult;
964   }
965
966   setValue(aContext, aSelection);
967 }
968