E_ucomm problem

Question

hello,
in my data_changed method I am doing a check on e_ucomm which is the function code of a context_menu in an ALV-Grid.
method handle_data_changed.
    if e_ucomm = 'Context_menu_AAS'.
      /bmw/pur_a003_cl_inbox_appl=>gv_verantw_flag = 'X'.
    endif.
Unfortunately the handle_data_changed is triggered also by pressing ENTER on the grid. I found out that e_ucomm is still set to value 'Context_menu_AAS' and is not set for exampe on initial.
Can I somehow clear the content of e_ucomm?
I tried
method handle_data_changed.
    if e_ucomm = 'Context_menu_AAS'.
      /bmw/pur_a003_cl_inbox_appl=>gv_verantw_flag = 'X'.
     clear e_ucomm.
    endif.
But that did not have any effects on future calls of handle_data_changed.
had somebody had the same experience?
with best regards
luchticha

Answer 1

Hello Luchticha
I would recommend to define an instance (static) attribute in your event handler class, e.g.:
CLASS lcl_eventhandler  DEFINITION.
  " NOTE: I prefer to use static methods and attributes for my event handler class, but this is a matter of taste...
  PUBLIC SECTION.
    CLASS-DATA:
      md_okcode       TYPE ui_func. 
    CLASS-METHODS:
      handle_data_changed
         FOR EVENT data_changed OF cl_gui_alv_grid
             IMPORTING er_data_changed,
    handle_onf4 FOR EVENT onf4 OF cl_gui_alv_grid
          IMPORTING sender
                 e_fieldname
                 e_fieldvalue
                 es_row_no
                 er_event_data
                 et_bad_cells
                 e_display.
ENDCLASS.                    "lcl_eventhandler DEFINITION
When the user chooses a function of the context menu it should trigger event USER_COMMAND. Here you can store and refresh you attribute, e.g.:
METHOD handle_user_command.
  md_okcode = e_ucomm.
" Do something...
  CLEAR: md_okcode.
ENDMETHOD.
Perhaps you need another place where to clear the ok-code but I think you understand the concept and can easily adapt this to your scenario.
Regards
  Uwe