construct uml imag panel param text field textfield user edit param icon icon shown uml imag panel text field text field icon set layout border layout text field text field set border border factori creat bevel border bevel border lower icon don want nasti grai background color imag icon label set opaqu imag icon label set background text field background add imag icon label border layout west add text field border layout center text field add focu listen uml edit combo box 