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Merge branch 'Dev_0.6.1' of newgeom:newgeom into Dev_0.6.1
[modules/shaper.git] / src / Model / Model_AttributeSelection.cpp
index f76344f552f6d0e976e26a7910c6dccb6b6c1666..3df579de17660cedec7a07f43350f50602274cfe 100644 (file)
 #include <TNaming_NamedShape.hxx>
 #include <TNaming_Tool.hxx>
 #include <TNaming_Builder.hxx>
+#include <TNaming_Localizer.hxx>
 #include <TopoDS_Shape.hxx>
+#include <TopoDS_Compound.hxx>
 #include <TDataStd_IntPackedMap.hxx>
 #include <TDataStd_Integer.hxx>
+#include <TDataStd_UAttribute.hxx>
+#include <TDataStd_Name.hxx>
 #include <TopTools_MapOfShape.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopTools_MapIteratorOfMapOfShape.hxx>
+#include <TopTools_ListOfShape.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TDF_LabelMap.hxx>
 #include <BRep_Tool.hxx>
+#include <BRep_Builder.hxx>
 #include <TopoDS_Edge.hxx>
 #include <TopoDS.hxx>
+#include <TopExp.hxx>
 #include <TColStd_MapOfTransient.hxx>
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
 #include <gp_Pnt.hxx>
 #include <Precision.hxx>
 #include <TDF_ChildIterator.hxx>
 #include <TDF_ChildIDIterator.hxx>
-
+#include <TDataStd_Name.hxx>
+#include <TopAbs_ShapeEnum.hxx>
+#include <TopoDS_Iterator.hxx>
 using namespace std;
 /// adeed to the index in the packed map to signalize that the vertex of edge is seleted
 /// (multiplied by the index of the edge)
 static const int kSTART_VERTEX_DELTA = 1000000;
+// identifier that there is simple reference: selection equals to context
+Standard_GUID kSIMPLE_REF_ID("635eacb2-a1d6-4dec-8348-471fae17cb29");
 
 // on this label is stored:
 // TNaming_NamedShape - selected shape
@@ -57,13 +73,27 @@ void Model_AttributeSelection::setValue(const ResultPtr& theContext,
   if (isOldShape) return; // shape is the same, so context is also unchanged
   // update the referenced object if needed
   bool isOldContext = theContext == myRef.value();
+
+
   if (!isOldContext)
     myRef.setValue(theContext);
 
-  if (theContext->groupName() == ModelAPI_ResultBody::group())
-    selectBody(theContext, theSubShape);
-  else if (theContext->groupName() == ModelAPI_ResultConstruction::group())
-    selectConstruction(theContext, theSubShape);
+  // do noth use naming if selected shape is result shape itself, but not sub-shape
+  TDF_Label aSelLab = selectionLabel();
+  if (theContext->shape().get() && theContext->shape()->isEqual(theSubShape)) {
+    aSelLab.ForgetAllAttributes(true);
+    TDataStd_UAttribute::Set(aSelLab, kSIMPLE_REF_ID);
+  } else {
+    aSelLab.ForgetAttribute(kSIMPLE_REF_ID);
+    if (theContext->groupName() == ModelAPI_ResultBody::group())
+      selectBody(theContext, theSubShape);
+    else if (theContext->groupName() == ModelAPI_ResultConstruction::group())
+      selectConstruction(theContext, theSubShape);
+  }
+
+  std::string aSelName = namingName();
+  if(!aSelName.empty())
+         TDataStd_Name::Set(selectionLabel(), aSelName.c_str()); //set name
 
   myIsInitialized = true;
   owner()->data()->sendAttributeUpdated(this);
@@ -73,6 +103,14 @@ std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
 {
   std::shared_ptr<GeomAPI_Shape> aResult;
   if (myIsInitialized) {
+    TDF_Label aSelLab = selectionLabel();
+    if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
+      ResultPtr aContext = context();
+      if (!aContext.get()) 
+        return aResult; // empty result
+      return aContext->shape();
+    }
+
     Handle(TNaming_NamedShape) aSelection;
     if (selectionLabel().FindAttribute(TNaming_NamedShape::GetID(), aSelection)) {
       TopoDS_Shape aSelShape = aSelection->Get();
@@ -132,10 +170,15 @@ TDF_LabelMap& Model_AttributeSelection::scope()
 bool Model_AttributeSelection::update()
 {
   ResultPtr aContext = context();
-  if (!aContext) return false;
+  if (!aContext.get()) return false;
+  TDF_Label aSelLab = selectionLabel();
+  if (aSelLab.IsAttribute(kSIMPLE_REF_ID)) { // it is just reference to shape, not sub-shape
+    return aContext->shape() && !aContext->shape()->isNull();
+  }
+
   if (aContext->groupName() == ModelAPI_ResultBody::group()) {
     // body: just a named shape, use selection mechanism from OCCT
-    TNaming_Selector aSelector(selectionLabel());
+    TNaming_Selector aSelector(aSelLab);
     bool aResult = aSelector.Solve(scope()) == Standard_True;
     owner()->data()->sendAttributeUpdated(this);
     return aResult;
@@ -260,7 +303,9 @@ bool Model_AttributeSelection::update()
         for(int a = 0; a < aSubNum; a++) {
           // if aSubIds take any, the first appropriate
           int aFeatureID = aComposite->subFeatureId(a);
-          if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID)) {
+          if (aSubIds->IsEmpty() || aSubIds->Contains(aFeatureID) ||
+              aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA) ||
+              aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA * 2)) {
             // searching for deltas
             int aVertexNum = 0;
             if (aSubIds->Contains(aFeatureID + kSTART_VERTEX_DELTA)) aVertexNum = 1;
@@ -328,9 +373,42 @@ void Model_AttributeSelection::selectBody(
   aSel.Select(aNewShape, aContext);
 }
 
+/// registers the name of the shape in the label (theID == 0) of sub label (theID is a tag)
+/// if theID is zero, 
+static void registerSubShape(TDF_Label& theMainLabel, TopoDS_Shape theShape,
+  const int theID, const FeaturePtr& theContextFeature, std::shared_ptr<Model_Document> theDoc,
+  std::string theAdditionalName,
+  Handle(TDataStd_IntPackedMap) theRefs = Handle(TDataStd_IntPackedMap)())
+{
+  TDF_Label aLab = theID == 0 ? theMainLabel : theMainLabel.FindChild(theID);
+  TNaming_Builder aBuilder(aLab);
+  aBuilder.Generated(theShape);
+  std::stringstream aName;
+  aName<<theContextFeature->name()<<"/";
+  if (!theAdditionalName.empty())
+    aName<<theAdditionalName<<"/";
+  if (theShape.ShapeType() == TopAbs_FACE) aName<<"Face";
+  else if (theShape.ShapeType() == TopAbs_EDGE) aName<<"Edge";
+  else if (theShape.ShapeType() == TopAbs_VERTEX) aName<<"Vertex";
+
+  if (theRefs.IsNull()) {
+    aName<<"_"<<theID;
+  } else { // make a compisite name from all sub-elements indexes: "1_2_3_4"
+    TColStd_MapIteratorOfPackedMapOfInteger aRef(theRefs->GetMap());
+    for(; aRef.More(); aRef.Next()) {
+      aName<<"_"<<aRef.Key();
+    }
+  }
+
+  theDoc->addNamingName(aLab, aName.str());
+  TDataStd_Name::Set(aLab, aName.str().c_str());
+}
+
 void Model_AttributeSelection::selectConstruction(
     const ResultPtr& theContext, const std::shared_ptr<GeomAPI_Shape>& theSubShape)
 {
+  std::shared_ptr<Model_Document> aMyDoc = 
+    std::dynamic_pointer_cast<Model_Document>(owner()->document());
   FeaturePtr aContextFeature = theContext->document()->feature(theContext);
   CompositeFeaturePtr aComposite = 
     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aContextFeature);
@@ -356,7 +434,7 @@ void Model_AttributeSelection::selectConstruction(
       allCurves.Add(aCurve);
     }
   }
-  // iterate and store the result ids of sub-elements
+  // iterate and store the result ids of sub-elements and sub-elements to sub-labels
   Handle(TDataStd_IntPackedMap) aRefs = TDataStd_IntPackedMap::Set(aLab);
   aRefs->Clear();
   const int aSubNum = aComposite->numberOfSubs();
@@ -384,7 +462,6 @@ void Model_AttributeSelection::selectConstruction(
           for(TopExp_Explorer aVExp(anEdge, TopAbs_VERTEX); aVExp.More(); aVExp.Next()) {
             gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aVExp.Current()));
             if (aPnt.IsEqual(aVertexPos, Precision::Confusion())) {
-              aRefs->Add(aComposite->subFeatureId(a));
               aRefs->Add(aDelta + aComposite->subFeatureId(a));
               break;
             }
@@ -401,14 +478,27 @@ void Model_AttributeSelection::selectConstruction(
             if (allCurves.Contains(aCurve)) {
               int anID = aComposite->subFeatureId(a);
               aRefs->Add(anID);
-              // add edges to sub-label to support naming for edges selection
-              for(TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE); anEdgeExp.More(); anEdgeExp.Next()) {
-                TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
-                Standard_Real aFirst, aLast;
-                Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
-                if (aFaceCurve == aCurve) {
-                  TNaming_Builder anEdgeBuilder(selectionLabel().FindChild(anID));
-                  anEdgeBuilder.Generated(anEdge);
+              if (aShapeType != TopAbs_EDGE) { // edge do not need the sub-edges on sub-labels
+                // add edges to sub-label to support naming for edges selection
+                TopExp_Explorer anEdgeExp(aSubShape, TopAbs_EDGE);
+                for(; anEdgeExp.More(); anEdgeExp.Next()) {
+                  TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExp.Current());
+                  Standard_Real aFirst, aLast;
+                  Handle(Geom_Curve) aFaceCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
+                  if (aFaceCurve == aCurve) {
+                    registerSubShape(selectionLabel(), anEdge, anID, aContextFeature, aMyDoc, "");
+                  }
+                }
+              } else { // put vertices of the selected edge to sub-labels
+                // add edges to sub-label to support naming for edges selection
+                TopExp_Explorer anEdgeExp(aSubShape, TopAbs_VERTEX);
+                int aTagIndex = anID + kSTART_VERTEX_DELTA;
+                for(; anEdgeExp.More(); anEdgeExp.Next(), aTagIndex += kSTART_VERTEX_DELTA) {
+                  TopoDS_Vertex aV = TopoDS::Vertex(anEdgeExp.Current());
+
+                  std::stringstream anAdditionalName; 
+                  registerSubShape(selectionLabel(), aV, aTagIndex, aContextFeature, aMyDoc,
+                    "");
                 }
               }
             }
@@ -420,9 +510,189 @@ void Model_AttributeSelection::selectConstruction(
   // store the selected as primitive
   TNaming_Builder aBuilder(selectionLabel());
   aBuilder.Generated(aSubShape);
+  registerSubShape(selectionLabel(), aSubShape, 0, aContextFeature, aMyDoc, "", aRefs);
 }
 
 TDF_Label Model_AttributeSelection::selectionLabel()
 {
   return myRef.myRef->Label().FindChild(1);
 }
+
+#define FIX_BUG1 1
+std::string GetShapeName(std::shared_ptr<Model_Document> theDoc, const TopoDS_Shape& theShape, 
+                                            const TDF_Label& theLabel)
+{
+  std::string aName;
+  // check if the subShape is already in DF
+  Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(theShape, theLabel);
+  Handle(TDataStd_Name) anAttr;
+  if(!aNS.IsNull() && !aNS->IsEmpty()) { // in the document    
+       if(aNS->Label().FindAttribute(TDataStd_Name::GetID(), anAttr)) {
+         aName = TCollection_AsciiString(anAttr->Get()).ToCString();
+         if(!aName.empty()) {      
+           const TDF_Label& aLabel = theDoc->findNamingName(aName);
+    /* MPV: the same shape with the same name may be duplicated on different labels (selection of the same construction object)
+               if(!aLabel.IsEqual(aNS->Label())) {
+                 //aName.erase(); //something is wrong, to be checked!!!
+                 aName += "_SomethingWrong";
+                 return aName;
+               }*/
+               const TopoDS_Shape& aShape = aNS->Get();
+               if(aShape.ShapeType() == TopAbs_COMPOUND) {
+                 std::string aPostFix("_");
+                 TopoDS_Iterator it(aShape);                   
+                 for (int i = 1;it.More();it.Next(), i++) {
+                   if(it.Value() == theShape) {
+                         aPostFix += TCollection_AsciiString (i).ToCString();
+                         aName    += aPostFix;
+                         break;
+                       }
+                       else continue;                                          
+                 }
+               }
+         }     
+       }
+  }
+  return aName;
+}
+
+bool isTrivial (const TopTools_ListOfShape& theAncestors, TopTools_IndexedMapOfShape& theSMap)
+{
+// a trivial case: F1 & F2,  aNumber = 1, i.e. intersection gives 1 edge.
+  TopoDS_Compound aCmp;
+  BRep_Builder BB;
+  BB.MakeCompound(aCmp);
+  TopTools_ListIteratorOfListOfShape it(theAncestors);
+  for(;it.More();it.Next()) {
+       BB.Add(aCmp, it.Value());
+       theSMap.Add(it.Value());
+  }
+  int aNumber(0);
+  TopTools_IndexedDataMapOfShapeListOfShape aMap2;
+  TopExp::MapShapesAndAncestors(aCmp, TopAbs_EDGE, TopAbs_FACE, aMap2);
+  for (int i = 1; i <= aMap2.Extent(); i++) {
+       const TopoDS_Shape& aKey = aMap2.FindKey(i);
+       const TopTools_ListOfShape& anAncestors = aMap2.FindFromIndex(i);
+       if(anAncestors.Extent() > 1) aNumber++;
+  }
+  if(aNumber > 1) return false;
+  return true;
+}
+std::string Model_AttributeSelection::namingName()
+{
+  std::shared_ptr<GeomAPI_Shape> aSubSh = value();
+  ResultPtr aCont = context();
+  std::string aName;
+  if(!aSubSh.get() || aSubSh->isNull() || !aCont.get() || aCont->shape()->isNull()) 
+    return aName;
+  TopoDS_Shape aSubShape = aSubSh->impl<TopoDS_Shape>();
+  TopoDS_Shape aContext  = aCont->shape()->impl<TopoDS_Shape>();
+  std::shared_ptr<Model_Document> aDoc = 
+    std::dynamic_pointer_cast<Model_Document>(aCont->document());
+
+  // check if the subShape is already in DF
+  aName = GetShapeName(aDoc, aSubShape, selectionLabel());
+  if(aName.empty() ) { // not in the document!
+    TopAbs_ShapeEnum aType = aSubShape.ShapeType();
+       switch (aType) {
+         case TopAbs_FACE:
+      // the Face should be in DF. If it is not a case, it is an error ==> to be dbugged               
+               break;
+         case TopAbs_EDGE:
+                 {
+                 // name structure: F1 | F2 [| F3 | F4], where F1 & F2 the faces which gives the Edge in trivial case
+                 // if it is not atrivial case we use localization by neighbours. F3 & F4 - neighbour faces
+                 TopTools_IndexedMapOfShape aSMap; // map for ancestors of the sub-shape
+                 TopTools_IndexedDataMapOfShapeListOfShape aMap;
+                 TopExp::MapShapesAndAncestors(aContext, TopAbs_EDGE, TopAbs_FACE, aMap);
+                 bool isTrivialCase(true);
+                 for (int i = 1; i <= aMap.Extent(); i++) {
+                       const TopoDS_Shape& aKey = aMap.FindKey(i);
+                       if (aKey.IsNotEqual(aSubShape)) continue; // find exactly the selected key
+
+            const TopTools_ListOfShape& anAncestors = aMap.FindFromIndex(i);
+                       // check that it is not a trivial case (F1 & F2: aNumber = 1)
+                       isTrivialCase = isTrivial(anAncestors, aSMap);                  
+                       break;
+                 }
+
+                 TopTools_ListOfShape aListOfNbs;
+                 if(!isTrivialCase) { // find Neighbors
+                       TNaming_Localizer aLocalizer;
+                       TopTools_MapOfShape aMap3;
+                       aLocalizer.FindNeighbourg(aContext, aSubShape, aMap3);
+                       //int n = aMap3.Extent();
+                       TopTools_MapIteratorOfMapOfShape it(aMap3);
+                       for(;it.More();it.Next()) {
+                         const TopoDS_Shape& aNbShape = it.Key(); // neighbor edge
+                         //TopAbs_ShapeEnum aType = aNbShape.ShapeType();
+                         const TopTools_ListOfShape& aList  = aMap.FindFromKey(aNbShape);
+                         TopTools_ListIteratorOfListOfShape it2(aList);
+                         for(;it2.More();it2.Next()) {
+                               if(aSMap.Contains(it2.Value())) continue; // skip this Face
+                               aListOfNbs.Append(it2.Value());
+                         }
+                       }
+                 }  // else a trivial case
+                 
+                 // build name of the sub-shape Edge
+                 for(int i=1; i <= aSMap.Extent(); i++) {
+                       const TopoDS_Shape& aFace = aSMap.FindKey(i);
+                       std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
+                       if(i == 1)
+                         aName = aFaceName;
+                       else 
+                         aName += "|" + aFaceName;
+                 }
+                 TopTools_ListIteratorOfListOfShape itl(aListOfNbs);
+                 for (;itl.More();itl.Next()) {
+                       std::string aFaceName = GetShapeName(aDoc, itl.Value(), selectionLabel());
+                       aName += "|" + aFaceName;
+                 }               
+                 }
+                 break;
+
+         case TopAbs_VERTEX:
+                 // name structure (Monifold Topology): 
+                 // 1) F1 | F2 | F3 - intersection of 3 faces defines a vertex - trivial case.
+                 // 2) F1 | F2      - intersection of 2 faces definses a vertex - applicable for case
+                 //                   when 1 faces is cylindrical, conical, spherical or revolution and etc.
+                 // 3) E1 | E2 | E3 - intersection of 3 edges defines a vertex - when we have case of a shell
+                 //                   or compound of 2 open faces.
+                 // 4) E1 | E2      - intesection of 2 edges defines a vertex - when we have a case of 
+                 //                   two independent edges (wire or compound)
+                 // implemented 2 first cases
+                 {
+                       TopTools_IndexedDataMapOfShapeListOfShape aMap;
+                   TopExp::MapShapesAndAncestors(aContext, TopAbs_VERTEX, TopAbs_FACE, aMap);
+                       const TopTools_ListOfShape& aList2  = aMap.FindFromKey(aSubShape);
+                       TopTools_ListOfShape aList;
+                       TopTools_MapOfShape aFMap;
+#ifdef FIX_BUG1
+                       //int n = aList2.Extent(); //bug!
+                       // fix is below
+                       TopTools_ListIteratorOfListOfShape itl2(aList2);
+                   for (int i = 1;itl2.More();itl2.Next(),i++) {
+                         if(aFMap.Add(itl2.Value()))
+                               aList.Append(itl2.Value());
+                       }
+                       //n = aList.Extent();
+#endif
+                       TopTools_ListIteratorOfListOfShape itl(aList);
+                   for (int i = 1;itl.More();itl.Next(),i++) {
+                         const TopoDS_Shape& aFace = itl.Value();
+                         std::string aFaceName = GetShapeName(aDoc, aFace, selectionLabel());
+                         if(i == 1)
+                           aName = aFaceName;
+                         else 
+                           aName += "|" + aFaceName;
+                       }
+                 }
+                 break;
+       }
+    // register name                   
+    // aDoc->addNamingName(selectionLabel(), aName);
+       // the selected sub-shape will not be shared and as result it will not require registration
+  }
+  return aName;
+}