+ Code cleanup:

+ do not include header of itself
+ do not include unneeded header files
+ removed unneeded forward declarations
+ do not translate C string to get a QString
+ break too long lines
+ replace tabs with spaces
+ use virtual keyword on destructors

src/Mod/Fem/Gui/ViewProviderSetNodes.cpp

@@ -29,8 +29,8 @@
 #include "ViewProviderSetNodes.h"
 #include <Gui/Control.h>
 #include <Mod/Fem/Gui/TaskDlgCreateNodeSet.h>
+#include <Mod/Fem/App/FemSetNodesObject.h>
 
-using namespace Gui;
 using namespace FemGui;
 
 PROPERTY_SOURCE(FemGui::ViewProviderSetNodes, Gui::ViewProviderGeometryObject)
@@ -53,5 +53,4 @@ bool ViewProviderSetNodes::setEdit(int ModNum)
 void ViewProviderSetNodes::unsetEdit(int ModNum)
 {
 
-
 }