import org.eclipse.ui.actions.ActionGroup;
 import org.eclipse.ui.actions.RefreshAction;
 import org.eclipse.ui.dialogs.PropertyDialogAction;
-import org.eclipse.ui.internal.dialogs.ResourceSorter;
+//Impossible to compile with this, I don't know why
+//import org.eclipse.ui.internal.dialogs.ResourceSorter;
+import org.eclipse.ui.views.navigator.ResourceSorter;
 import org.eclipse.ui.views.framelist.FrameList;
 import org.eclipse.ui.views.navigator.IResourceNavigator;
 import org.eclipse.ui.views.navigator.OpenActionGroup;
                        return null;
                }
 
-               public ResourceSorter getSorter() {
+               public  ResourceSorter getSorter() {
                        return null;
                }