Custom Button in ALV Output - SAP ABAP

 

 1. Create a Local Event Handler Class

• Define a class to handle ALV button actions
• Use FOR EVENT added_function OF cl_salv_events

  CLASS lcl_handler DEFINITION .

    PUBLIC SECTION.
     METHODS: on_user_command
                  FOR EVENT added_function OF cl_salv_events
      IMPORTING e_salv_function.

  ENDCLASS.

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 2. Add Custom PF-STATUS to ALV

• Create a GUI status in SE41 (e.g., ZALV_STATUS)
• Add custom buttons (like POST, CANCEL)
• Assign function codes (same names used in code)

      My usage:

• go_alv->set_screen_status( pfstatus = 'ZALV_STATUS' )

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 3. Bind Event Handler to ALV

• Get ALV event object
• Attach your handler method

      My implementation:

    DATA(lo_events) = go_alv->get_event( ).

    DATA(lo_handler) = NEW lcl_handler( ).
     SET HANDLER lo_handler->on_user_command FOR lo_events.

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 4. Handle Custom Button Logic

• Use CASE e_salv_function
• Match function codes from PF-STATUS

      My logic:

• 'POST' → call posting logic + refresh ALV
• 'CANCEL' / 'EXIT' → leave program

 METHOD on_user_command.

    CASE e_salv_function.
      WHEN 'POST'.
        go_gm->post_gm( ).
        go_gm->display_posted_alv( ).
      WHEN 'CANCEL' OR 'EXIT'.
        LEAVE PROGRAM.
    ENDCASE.

  ENDMETHOD.