fix bug where view import via folder did not have a cwd set, also fixed new bug where toggling from flat to folders with a grouping set would bug out, force grouping=None when folders chosen

files.py

@@ -140,11 +140,10 @@ def ViewingOptions( request ):
         cwd='static/Bin'
     else:
         folders=False
-        cwd=None
-#        folders=True
-#        cwd='static/Import'
+        cwd='static/Import'
     root=cwd
     
+    # the above are defaults, if we are here, then we have current values, use them instead
     if request.method=="POST":
         noo=request.form['noo']
         how_many=request.form['how_many']
@@ -156,6 +155,10 @@ def ViewingOptions( request ):
             folders=False
         if request.form['folders'] == "True":
             folders=True
+            # have to force grouping to None if we flick to folders from a flat
+            # view with grouping (otherwise we print out group headings for
+            # child content that is not in the CWD)
+            grouping=None
 
         cwd = request.form['cwd']
         if 'prev' in request.form: