new traits concept, 2st attemp

[[Imported from SVN: r2863]]

grid/uggrid.hh

@@ -106,9 +106,9 @@ namespace Dune {
         UGGridLevelIndexSet<dim>,
         UGGridLeafIndexSet<dim>,
         UGGridGlobalIdSet< UGGrid<dim,dimworld> >,
-        typename UGGridGlobalIdSet< UGGrid<dim,dimworld> >::GlobalIdType,
+        unsigned int,
         UGGridLocalIdSet<dim>,
-        typename UGGridLocalIdSet<dim>::LocalIdType> Traits;
+        unsigned int> Traits;
   };
 
 
@@ -215,10 +215,10 @@ namespace Dune {
 
     typedef UGGridLevelIndexSet<dim> LevelIndexSet;
 
-#endif
     typedef UGGridLeafIndexSet<dim>  LeafIndexSet;
     typedef UGGridGlobalIdSet< UGGrid<dim, dimworld> >   GlobalIdSet;
     typedef UGGridLocalIdSet<dim>    LocalIdSet;
+#endif
 
     typedef typename UGGridFamily<dim,dimworld>::Traits Traits;
 
@@ -314,13 +314,13 @@ namespace Dune {
     }
 
     /** \brief Access to the GlobalIdSet */
-    const GlobalIdSet& globalIdSet() const
+    const typename Traits::GlobalIdSet& globalIdSet() const
     {
       return globalIdSet_;
     }
 
     /** \brief Access to the LocalIdSet */
-    const LocalIdSet& localIdSet() const
+    const typename Traits::LocalIdSet& localIdSet() const
     {
       return localIdSet_;
     }
@@ -333,7 +333,7 @@ namespace Dune {
     }
 
     /** \brief Access to the LeafIndexSet */
-    const LeafIndexSet& leafIndexSet() const
+    const typename Traits::LeafIndexSet& leafIndexSet() const
     {
       return leafIndexSet_;
     }
@@ -511,11 +511,11 @@ namespace Dune {
     // Our set of level indices
     std::vector<typename Traits::LevelIndexSet> levelIndexSets_;
 
-    LeafIndexSet leafIndexSet_;
+    typename Traits::LeafIndexSet leafIndexSet_;
 
-    GlobalIdSet globalIdSet_;
+    typename Traits::GlobalIdSet globalIdSet_;
 
-    LocalIdSet localIdSet_;
+    typename Traits::LocalIdSet localIdSet_;
 
     //! Marks whether the UG environment heap size is taken from
     //! an existing defaults file or whether the values from