Better display of the folder titles in MoveTo menu of the files tool.

This became possible because we need to use the name (and not the title)
as the data source, for performance reasons.

karl/content/views/files.py

@@ -1245,6 +1245,10 @@ def get_file_folder_path(context):
     assert context_path.startswith(root_path)
     return context_path[len(root_path):]
 
+def deslugify(txt):
+    "a-slugified-name => A Slugified Name"
+    return ' '.join([txt.capitalize() for txt in txt.split('-')])
+
 def get_target_folders(context):
     # Return the target folders for this community.
     #
@@ -1280,9 +1284,9 @@ def get_target_folders(context):
     for docid in docids:
         path = catalog.document_map.address_for_docid(docid)
         # XXX Do _not_ wake up the object for the title,
-        # XXX instead use the name from the path segment.
+        # XXX instead use the deslugified name from the path segment.
         # (See LP #1347066)
-        title = path.split('/')[-1]
+        title = deslugify(path.split('/')[-1])
         ## item = resolver(docid)
         ## title = item.title
         target_items.append(dict(path=path, title=title))