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Синхронизация данных во внутренней таблице и ALV frontend



 
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PostPosted: Wed Oct 31, 2007 10:18 am    Post subject: Синхронизация данных во внутренней таблице и ALV frontend Reply with quote

Чтобы при редактировании данных в ячейке ALV, после нажатия Enter они обновились во внутренней таблице поможет вызов метода
CALL METHOD L_GRID->CHECK_CHANGED_DATA

Code:
TYPE-POOLS: SLIS, KKBLO.

DATA: LT_EVENTS TYPE SLIS_T_EVENT,
      LS_EVENT TYPE SLIS_ALV_EVENT.
DATA: LS_LAYOUT TYPE SLIS_LAYOUT_ALV,
      LS_FIELDCAT TYPE SLIS_FIELDCAT_ALV.
DATA:   GT_FIELDCATALOG TYPE LVC_T_FCAT,
          IT_FIELDCAT TYPE  SLIS_T_FIELDCAT_ALV,
        PRN LIKE SY-REPID,
        IT LIKE LINE OF IT_FIELDCAT,
        GT LIKE LINE OF GT_FIELDCATALOG.


  CLEAR: LT_EVENTS. REFRESH LT_EVENTS.
  CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
    EXPORTING
      I_LIST_TYPE = 1
    IMPORTING
      ET_EVENTS   = LT_EVENTS.

  CLEAR LS_EVENT.
  READ TABLE LT_EVENTS WITH KEY NAME = 'DATA_CHANGED'
       INTO LS_EVENT.
  IF SY-SUBRC = 0.
    DELETE LT_EVENTS WHERE NAME = 'DATA_CHANGED'.
    MOVE 'DATA_CHANGED' TO LS_EVENT-NAME.
    MOVE 'EDITDATA' TO LS_EVENT-FORM.
    APPEND LS_EVENT TO LT_EVENTS.
  ENDIF.

  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      I_CALLBACK_PROGRAM       = PRN
      IS_LAYOUT                = LS_LAYOUT
      I_SAVE                   = 'A'
      IT_EVENTS                = LT_EVENTS[]
      IT_FIELDCAT              = IT_FIELDCAT[]
      I_CALLBACK_USER_COMMAND  = 'USCOM'
      I_CALLBACK_PF_STATUS_SET = 'SETPF'
    TABLES
      T_OUTTAB                 = TB.



FORM EDITDATA USING RR_DATA_CHANGED TYPE REF TO
                                          CL_ALV_CHANGED_DATA_PROTOCOL.
* Здесь можно вообще ничего не писать,
* данные всё равно обновятся
ENDFORM.                    "EDITDATA


FORM USCOM USING R_UCOMM     LIKE SY-UCOMM
                        RS_SELFIELD TYPE SLIS_SELFIELD.

  DATA: L_GRID TYPE REF TO CL_GUI_ALV_GRID.

* Это нужно, чтобы данные обновились,
* при нажатию на пользовательскую кнопку

  CALL FUNCTION 'GET_GLOBALS_FROM_SLVC_FULLSCR'
    IMPORTING
      E_GRID = L_GRID.

  CALL METHOD L_GRID->CHECK_CHANGED_DATA.
   RS_SELFIELD-REFRESH = 'X'.
ENDFORM.
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