Fem: Add Tool property to solvers and meshers

(cherry picked from commit 6f8e9f1a9e)

src/Mod/Fem/App/FemMeshShapeObject.cpp

@@ -46,6 +46,22 @@ FemMeshShapeBaseObject::FemMeshShapeBaseObject()
         Prop_None,
         "Geometry object, the mesh is made from. The geometry object has to have a Shape."
     );
+    ADD_PROPERTY_TYPE(
+        Tool,
+        (Py::Object()),
+        "FEM Mesh",
+        App::PropertyType(
+            App::Prop_Transient | App::Prop_Hidden | App::Prop_ReadOnly | App::Prop_Output
+        ),
+        "Tool object for run the mesher"
+    );
+    ADD_PROPERTY_TYPE(
+        WorkingDirectory,
+        (""),
+        "FEM Mesh",
+        App::PropertyType(App::Prop_Transient | App::Prop_Hidden | App::Prop_Output),
+        "Mesher working directory"
+    );
 
     Shape.setScope(LinkScope::Global);
 }

src/Mod/Fem/App/FemMeshShapeObject.h

@@ -39,6 +39,8 @@ public:
     ~FemMeshShapeBaseObject() override;
 
     App::PropertyLink Shape;
+    App::PropertyPythonObject Tool;
+    App::PropertyPath WorkingDirectory;
 
     /// returns the type name of the ViewProvider
     const char* getViewProviderName() const override

src/Mod/Fem/App/FemSolverObject.cpp

@@ -50,6 +50,15 @@ FemSolverObject::FemSolverObject()
         App::PropertyType(App::Prop_Transient | App::Prop_Hidden | App::Prop_Output),
         "Solver working directory"
     );
+    ADD_PROPERTY_TYPE(
+        Tool,
+        (Py::Object()),
+        "Solver",
+        App::PropertyType(
+            App::Prop_Transient | App::Prop_Hidden | App::Prop_ReadOnly | App::Prop_Output
+        ),
+        "Tool for run the solver"
+    );
 }
 
 FemSolverObject::~FemSolverObject() = default;

src/Mod/Fem/App/FemSolverObject.h

@@ -42,6 +42,7 @@ public:
     ~FemSolverObject() override;
 
     App::PropertyLinkList Results;
+    App::PropertyPythonObject Tool;
     App::PropertyPath WorkingDirectory;
     // Attributes are implemented in the FemSolverObjectPython