0021308: Remove hard-coded dependency of the external mesh plugins from the SMESH module

1) Use TVar structure to dump arguments that can be defined via notebook variables
2)
+  // method intended to remove explicit treatment of Netgen hypotheses from
+  // SMESH_NoteBook to assure backward compatibility after implemeneting
+  // issue 0021308: Remove hard-coded dependency of the external mesh plugins
+  virtual int getParamIndex(const TCollection_AsciiString& method, int nbVars) const;
+
+  // method used to convert variable parameters stored in an old study
+  // into myMethod2VarParams. It should return a method name for an index of
+  // variable parameters. Index is countered from zero
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;

src/NETGENPlugin/NETGENPlugin_Hypothesis_i.cxx

@@ -96,7 +96,7 @@ void NETGENPlugin_Hypothesis_i::SetMaxSize (CORBA::Double theValue)
   if ( isToSetParameter( GetMaxSize(), theValue, METH_SetMaxSize ))
   {
     this->GetImpl()->SetMaxSize(theValue);
-    SMESH::TPythonDump() << _this() << ".SetMaxSize( " << theValue << " )";
+    SMESH::TPythonDump() << _this() << ".SetMaxSize( " << SMESH::TVar(theValue) << " )";
   }
 }
 
@@ -124,7 +124,7 @@ void NETGENPlugin_Hypothesis_i::SetMinSize (CORBA::Double theValue)
   if ( isToSetParameter( GetMinSize(), theValue, METH_SetMinSize ))
   {
     this->GetImpl()->SetMinSize(theValue);
-    SMESH::TPythonDump() << _this() << ".SetMinSize( " << theValue << " )";
+    SMESH::TPythonDump() << _this() << ".SetMinSize( " << SMESH::TVar(theValue) << " )";
   }
 }
 
@@ -236,7 +236,7 @@ void NETGENPlugin_Hypothesis_i::SetGrowthRate (CORBA::Double theValue)
   if ( isToSetParameter( GetGrowthRate(), theValue, METH_SetGrowthRate ))
   {
     this->GetImpl()->SetGrowthRate(theValue);
-    SMESH::TPythonDump() << _this() << ".SetGrowthRate( " << theValue << " )";
+    SMESH::TPythonDump() << _this() << ".SetGrowthRate( " << SMESH::TVar(theValue) << " )";
   }
 }
 
@@ -264,7 +264,7 @@ void NETGENPlugin_Hypothesis_i::SetNbSegPerEdge (CORBA::Double theValue)
   if ( isToSetParameter( GetNbSegPerEdge(), theValue, METH_SetNbSegPerEdge ))
   {
     this->GetImpl()->SetNbSegPerEdge(theValue);
-    SMESH::TPythonDump() << _this() << ".SetNbSegPerEdge( " << theValue << " )";
+    SMESH::TPythonDump() << _this() << ".SetNbSegPerEdge( " << SMESH::TVar(theValue) << " )";
   }
 }
 
@@ -292,7 +292,7 @@ void NETGENPlugin_Hypothesis_i::SetNbSegPerRadius (CORBA::Double theValue)
   if ( isToSetParameter( GetNbSegPerRadius(), theValue, METH_SetNbSegPerRadius ))
   {
     this->GetImpl()->SetNbSegPerRadius(theValue);
-    SMESH::TPythonDump() << _this() << ".SetNbSegPerRadius( " << theValue << " )";
+    SMESH::TPythonDump() << _this() << ".SetNbSegPerRadius( " << SMESH::TVar(theValue) << " )";
   }
 }
 
@@ -388,3 +388,42 @@ CORBA::Boolean NETGENPlugin_Hypothesis_i::IsDimSupported( SMESH::Dimension type
 {
   return type == SMESH::DIM_3D;
 }
+
+//================================================================================
+/*!
+ * \brief method intended to remove explicit treatment of Netgen hypotheses from SMESH_NoteBook
+ */
+//================================================================================
+
+int NETGENPlugin_Hypothesis_i::getParamIndex(const TCollection_AsciiString& method,
+                                             int nbVars) const
+{
+  if ( method == "SetMaxSize"        ) return 0;
+  if ( method == "SetGrowthRate"     ) return 1;
+  if ( method == "SetNbSegPerEdge"   ) return 2;
+  if ( method == "SetNbSegPerRadius" ) return 3;
+  if ( method == "SetMinSize" )        return nbVars-1;
+
+  return SMESH_Hypothesis_i::getParamIndex( method, nbVars ); // return default value
+}
+
+//================================================================================
+/*!
+ * \brief Method used to convert variable parameters stored in an old study
+ * into myMethod2VarParams. It should return a method name for an index of
+ * variable parameters. Index is countered from zero
+ */
+//================================================================================
+
+std::string NETGENPlugin_Hypothesis_i::getMethodOfParameter(const int paramIndex,
+                                                            int nbVars) const
+{
+  switch ( paramIndex ) {
+  case 0: return "SetMaxSize";
+  case 1: return nbVars == 2 ? "SetMinSize" : "SetGrowthRate";
+  case 2: return "SetNbSegPerEdge";
+  case 3: return "SetNbSegPerRadius";
+  case 4: return "SetMinSize";
+  }
+  return "";
+}

src/NETGENPlugin/NETGENPlugin_Hypothesis_i.hxx

@@ -122,6 +122,17 @@ class NETGENPLUGIN_EXPORT NETGENPlugin_Hypothesis_i:
     else
       return ( mySetMethodFlags |= meth ); // == return true
   }
+
+ public:
+  // method intended to remove explicit treatment of Netgen hypotheses from
+  // SMESH_NoteBook to assure backward compatibility after implemeneting
+  // issue 0021308: Remove hard-coded dependency of the external mesh plugins
+  virtual int getParamIndex(const TCollection_AsciiString& method, int nbVars) const;
+
+  // method used to convert variable parameters stored in an old study
+  // into myMethod2VarParams. It should return a method name for an index of
+  // variable parameters. Index is countered from zero
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif

src/NETGENPlugin/NETGENPlugin_SimpleHypothesis_2D_i.cxx

@@ -32,6 +32,8 @@
 #include <Utils_CorbaException.hxx>
 #include <utilities.h>
 
+#include <TCollection_AsciiString.hxx>
+
 using namespace std;
 
 //=============================================================================
@@ -82,7 +84,7 @@ void NETGENPlugin_SimpleHypothesis_2D_i::SetNumberOfSegments(CORBA::Short nb)
   catch (SALOME_Exception& S_ex) {
     THROW_SALOME_CORBA_EXCEPTION( S_ex.what(), SALOME::BAD_PARAM );
   }
-  SMESH::TPythonDump() << _this() << ".SetNumberOfSegments( " << nb << " )";
+  SMESH::TPythonDump() << _this() << ".SetNumberOfSegments( " << SMESH::TVar(nb) << " )";
 }
 
 //=============================================================================
@@ -113,7 +115,7 @@ void NETGENPlugin_SimpleHypothesis_2D_i::SetLocalLength(CORBA::Double segmentLen
   catch (SALOME_Exception& S_ex) {
     THROW_SALOME_CORBA_EXCEPTION( S_ex.what(), SALOME::BAD_PARAM );
   }
-  SMESH::TPythonDump() << _this() << ".SetLocalLength( " << segmentLength << " )";
+  SMESH::TPythonDump() << _this() << ".SetLocalLength( " << SMESH::TVar(segmentLength) << " )";
 }
 
 //================================================================================
@@ -152,7 +154,7 @@ void NETGENPlugin_SimpleHypothesis_2D_i::SetMaxElementArea(CORBA::Double area)
   MESSAGE("NETGENPlugin_SimpleHypothesis_2D_i::SetMaxElementArea");
   ASSERT(myBaseImpl);
   this->GetImpl()->SetMaxElementArea(area);
-  SMESH::TPythonDump() << _this() << ".SetMaxElementArea( " << area << " )";
+  SMESH::TPythonDump() << _this() << ".SetMaxElementArea( " << SMESH::TVar(area) << " )";
 }
 
 
@@ -197,7 +199,7 @@ CORBA::Boolean NETGENPlugin_SimpleHypothesis_2D_i::GetAllowQuadrangles()
  *  NETGENPlugin_SimpleHypothesis_2D_i::GetImpl
  */
 //=============================================================================
-::NETGENPlugin_SimpleHypothesis_2D* NETGENPlugin_SimpleHypothesis_2D_i::GetImpl()
+::NETGENPlugin_SimpleHypothesis_2D* NETGENPlugin_SimpleHypothesis_2D_i::GetImpl() const
 {
   MESSAGE("NETGENPlugin_SimpleHypothesis_2D_i::GetImpl");
   return (::NETGENPlugin_SimpleHypothesis_2D*)myBaseImpl;
@@ -216,3 +218,41 @@ CORBA::Boolean NETGENPlugin_SimpleHypothesis_2D_i::IsDimSupported( SMESH::Dimens
 {
   return type == SMESH::DIM_2D;
 }
+
+//================================================================================
+/*!
+ * \brief method intended to remove explicit treatment of Netgen hypotheses from SMESH_NoteBook
+ */
+//================================================================================
+
+int NETGENPlugin_SimpleHypothesis_2D_i::getParamIndex(const TCollection_AsciiString& method,
+                                                      int nbVars) const
+{
+  if ( method == "SetLocalLength"      ) return 0;
+  if ( method == "SetNumberOfSegments" ) return 0;
+  if ( method == "SetMaxElementArea"   ) return 1;
+  if ( method == "LengthFromEdges"     ) return 10; // just to go to the next state
+  if ( method == "SetMaxElementVolume" ) return 2;
+  if ( method == "LengthFromFaces"     ) return 10; // just to go to the next state
+
+  return SMESH_Hypothesis_i::getParamIndex( method, nbVars ); // return default value
+}
+
+//================================================================================
+/*!
+ * \brief Method used to convert variable parameters stored in an old study
+ * into myMethod2VarParams. It should return a method name for an index of
+ * variable parameters. Index is countered from zero
+ */
+//================================================================================
+
+std::string NETGENPlugin_SimpleHypothesis_2D_i::getMethodOfParameter(const int paramIndex,
+                                                                     int nbVars) const
+{
+  switch ( paramIndex ) {
+  case 0: return GetImpl()->GetNumberOfSegments() ? "SetNumberOfSegments" : "SetLocalLength";
+  case 1: return "SetMaxElementArea";
+  case 2: return "SetMaxElementVolume";
+  }
+  return "";
+}

src/NETGENPlugin/NETGENPlugin_SimpleHypothesis_2D_i.hxx

@@ -66,10 +66,21 @@ class NETGENPLUGIN_EXPORT  NETGENPlugin_SimpleHypothesis_2D_i:
   CORBA::Boolean GetAllowQuadrangles();
 
   // Get implementation
-  ::NETGENPlugin_SimpleHypothesis_2D* GetImpl();
+  ::NETGENPlugin_SimpleHypothesis_2D* GetImpl() const;
   
   // Verify whether hypothesis supports given entity type 
   CORBA::Boolean IsDimSupported( SMESH::Dimension type );
+
+ public:
+  // method intended to remove explicit treatment of Netgen hypotheses from
+  // SMESH_NoteBook to assure backward compatibility after implemeneting
+  // issue 0021308: Remove hard-coded dependency of the external mesh plugins
+  virtual int getParamIndex(const TCollection_AsciiString& method, int nbVars) const;
+
+  // method used to convert variable parameters stored in an old study
+  // into myMethod2VarParams. It should return a method name for an index of
+  // variable parameters. Index is countered from zero
+  virtual std::string getMethodOfParameter(const int paramIndex, int nbVars) const;
 };
 
 #endif

src/NETGENPlugin/NETGENPlugin_SimpleHypothesis_3D_i.cxx

@@ -92,7 +92,7 @@ void NETGENPlugin_SimpleHypothesis_3D_i::SetMaxElementVolume(CORBA::Double value
   MESSAGE("NETGENPlugin_SimpleHypothesis_3D_i::SetMaxElementVolume");
   ASSERT(myBaseImpl);
   this->GetImpl()->SetMaxElementVolume(value);
-  SMESH::TPythonDump() << _this() << ".SetMaxElementVolume( " << value << " )";
+  SMESH::TPythonDump() << _this() << ".SetMaxElementVolume( " << SMESH::TVar(value) << " )";
 }