Overriding standard functions in alv

Question

Hi all,
I want to over ride " append row funtionality in alv grid.
I am calling the grid in a custom container.
I used the following code
  METHODS HANDLE_BEFORE_USER_COMMAND
    FOR EVENT BEFORE_USER_COMMAND OF CL_GUI_ALV_GRID
    IMPORTING E_UCOMM.
  METHOD HANDLE_BEFORE_USER_COMMAND.
  PERFORM HANDLE_BEFORE_USER_COMMAND USING E_UCOMM.
  ENDMETHOD.
WHEN CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW.
call screen 200.
CALL METHOD GO_GRID->SET_USER_COMMAND
  EXPORTING
    I_UCOMM = SPACE
Instead of CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW,
i tried using &local&append also.
But it is not overriding.
But when i do the same codingto overide DETAIL functionality, it is working.
please can any body suggest me what should i do to override "append row".
Thanks in advance
Regards
Hyma

Answer 1

FORM EXCLUDE_TB_FUNCTIONS CHANGING PT_EXCLUDE TYPE UI_FUNCTIONS.
* Only allow to change data not to create new entries (exclude
* generic functions).
  DATA LS_EXCLUDE TYPE UI_FUNC.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_DELETE_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
<b>  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.</b>
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_INSERT_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_MOVE_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_CUT.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE_NEW_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_UNDO.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
ENDFORM.                               " EXCLUDE_TB_FUNCTIONS
remove the append from alv tool bar and add your own append(icon) to tool bar and handle that..
*       CLASS lcl_event_handler DEFINITION for second screen
CLASS LCL_EVENT_HANDLER1 DEFINITION .
  PUBLIC SECTION .
    METHODS:
**User Command Handler
    HANDLE_USER_COMMAND FOR EVENT USER_COMMAND OF CL_GUI_ALV_GRID
                                 IMPORTING E_UCOMM,
    HANDLE_TOOLBAR
        FOR EVENT TOOLBAR OF CL_GUI_ALV_GRID
            IMPORTING E_OBJECT E_INTERACTIVE.
ENDCLASS.                    "lcl_event_handler1 DEFINITION
*       CLASS lcl_event_handler1 IMPLEMENTATION
CLASS LCL_EVENT_HANDLER1 IMPLEMENTATION.
*Handle User Command
  METHOD HANDLE_USER_COMMAND.
    PERFORM EVENT_UCOMM1 USING E_UCOMM.
  ENDMETHOD.                    "user_command
  METHOD HANDLE_TOOLBAR.
    DATA: LS_TOOLBAR  TYPE STB_BUTTON.
* append a separator to normal toolbar
    CLEAR LS_TOOLBAR.
    MOVE 3 TO LS_TOOLBAR-BUTN_TYPE.
    APPEND LS_TOOLBAR TO E_OBJECT->MT_TOOLBAR.
* append SAVE icon
    CLEAR LS_TOOLBAR.
    MOVE 'APPEND' TO LS_TOOLBAR-FUNCTION.
    MOVE ICON_SYSTEM_APPEND TO LS_TOOLBAR-ICON.
    MOVE 'APPEND' TO LS_TOOLBAR-QUICKINFO.
    MOVE ' APPEND  '  TO LS_TOOLBAR-TEXT.
    MOVE ' '  TO LS_TOOLBAR-DISABLED.
    APPEND LS_TOOLBAR TO E_OBJECT->MT_TOOLBAR.
    CLEAR LS_TOOLBAR.
  ENDMETHOD.                    "handle_toolbar
ENDCLASS.                    "lcl_event_handler1 IMPLEMENTATION
then handle the sy-ucomm of appen row...
hope this is what you want
vijay
Message was edited by: Vijay Babu Dudla