if col is maybeCol:
direction = getattr(self, directionName)
gtkDirection = gtk.SORT_ASCENDING if direction else gtk.SORT_DESCENDING
+
# cause a sort
self._sortedUnitModel.set_sort_column_id(columnIndex, gtkDirection)
+
# set the visual for sorting
col.set_sort_indicator(True)
col.set_sort_order(not direction)