FEM: add CalculiX solver object

src/Mod/Fem/App/CMakeLists.txt

@@ -73,6 +73,7 @@ SET(FemScripts_SRCS
     _CommandFemBeamSection.py
     _CommandFemFromShape.py
     _CommandFemShellThickness.py
+    _CommandFemSolverCalculix.py
     _CommandMechanicalJobControl.py
     _CommandMechanicalMaterial.py
     _CommandMechanicalShowResult.py
@@ -82,6 +83,7 @@ SET(FemScripts_SRCS
     _FemAnalysis.py
     _FemBeamSection.py
     _FemShellThickness.py
+    _FemSolverCalculix.py
     _MechanicalMaterial.py
     _TaskPanelFemBeamSection.py
     _TaskPanelFemShellThickness.py
@@ -91,6 +93,7 @@ SET(FemScripts_SRCS
     _ViewProviderFemAnalysis.py
     _ViewProviderFemBeamSection.py
     _ViewProviderFemShellThickness.py
+    _ViewProviderFemSolverCalculix.py
     _ViewProviderMechanicalMaterial.py
     ccxDatReader.py
     ccxFrdReader.py
@@ -102,6 +105,7 @@ SET(FemScripts_SRCS
     FemBeamSection.py
     FemExample.py
     FemShellThickness.py
+    FemSolverCalculix.py
     FemTools.py
     MechanicalAnalysis.py
     MechanicalMaterial.py

src/Mod/Fem/App/FemSolverObject.cpp

@@ -43,6 +43,7 @@ PROPERTY_SOURCE(Fem::FemSolverObject, App::DocumentObject)
 FemSolverObject::FemSolverObject()
 {
 
+    /*
     ADD_PROPERTY_TYPE(SolverName,("Calculix"), "Data",Prop_None,"Solver program name");
     ADD_PROPERTY_TYPE(Category,("FEM"), "Data",Prop_None,"FEM, CFD ...");
     ADD_PROPERTY_TYPE(Module,(""), "Data",Prop_None,"Python module name");
@@ -54,6 +55,7 @@ FemSolverObject::FemSolverObject()
     ADD_PROPERTY_TYPE(InputCaseName,("TestCase"), "Solver",Prop_None,"Solver input file without suffix");
     ADD_PROPERTY_TYPE(Parallel,(false), "Solver",Prop_None,"Run solver in parallel like MPI");
     ADD_PROPERTY_TYPE(ResultObtained,(false), "Solver",Prop_None,"if true, result has been obtained");
+    */
 }
 
 FemSolverObject::~FemSolverObject()

src/Mod/Fem/App/FemSolverObject.h

@@ -43,6 +43,7 @@ public:
     FemSolverObject(void);
     virtual ~FemSolverObject();
 
+    /*
     /// Solver name, unique to identify solver in registered_solver dict
     App::PropertyString SolverName;
     /// CAE category like FEM, all capitalised letters
@@ -64,6 +65,7 @@ public:
     App::PropertyBool Parallel;
     /// result has been obtained, purge result may be needed for rerun
     App::PropertyBool ResultObtained;
+    */
 
     /// returns the type name of the ViewProvider
     virtual const char* getViewProviderName(void) const {