Selection Screen 에 Ucomm 추가

Activation of two pushbuttons with icons and quick info in the application toolbar (pushbutton toolbar) of the standard selection screen of an executable program. Selecting one of these buttons preassigns different values to the input fields.

REPORT demo_sel_screen_function_key.
TYPE-POOLS icon.
TABLES sscrfields.
DATA functxt TYPE smp_dyntxt.

PARAMETERS: p_carrid TYPE s_carr_id,
            p_cityfr TYPE s_from_cit.
SELECTION-SCREEN: FUNCTION KEY 1,
                  FUNCTION KEY 2.

INITIALIZATION.
  functxt-icon_id   = icon_ws_plane.
  functxt-quickinfo = 'Preselected Carrier'.
  functxt-icon_text = 'LH'.
  sscrfields-functxt_01 = functxt.
  functxt-icon_text = 'UA'.
  sscrfields-functxt_02 = functxt.

AT SELECTION-SCREEN.
  CASE sscrfields-ucomm.
    WHEN 'FC01'.
      p_carrid = 'LH'.
      p_cityfr = 'Frankfurt'.
    WHEN 'FC02'.
      p_carrid = 'UA'.
      p_cityfr = 'Chicago'.
    WHEN OTHERS.
      ...
  ENDCASE.