make sure downstream/upstream widget is not visible if there is nothing to display.
make sure downstream/upstream widget is not visible if there is nothing to display.

frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe