REPORT ZPOCHANGE.

************************************************************************************
* This is a subroutine perform in the Purchase order Layout sets.
* Description :  To retreive the details of changed remarks in PO output and to capture the retrival date
*                      Additional features with the previous changed appearing.  e.g. from .... to
* Note        :  If the latest modification details required
* Please Uncomment the lines mentioned under  'Last Modified Remarks only'
************************************************************************************
* Information
* /: PERFORM CHDATE IN PROGRAM ZPOCHANGE
* /:               USING &EKKO-EBELN&
* /:               CHANGING &RVDATE2&
* /: ENDPERFORM.
* /: IF &RVDATE2& EQ ' '.
* /  Revision Date: NIL
* /: ELSE.
* /  Revision Date: &RVDATE2&
* /: ENDIF.
* Main Window
* /E CHANGE_REMARKS
* /: PERFORM CHDET IN PROGRAM ZPOCHANGE
* /:            USING &EKPO-EBELP&
* /:            USING &EKKO-EBELN&
* /:            USING &T166T-CHTXT&
* /:            USING &T166T-CTXNR&
* /:            CHANGING &ITAB1-F_NEW&
* /:            CHANGING &ITAB1-F_OLD&
* /:ENDPERFORM.
* /:IF &ITAB1-F_NEW& NE ' '
* =  &ITAB1-F_OLD(C)& CHANGED TO &ITAB1-F_NEW(C)&
* /:ENDIF
*
* You might need to apply Note 373524 - Message determination and printing

TABLES : CDSHW , "Change documents, formatting table
         CDHDR , "Change document header
         EKPO  , "Purchasing Document Item
         EKKO  , "Purchasing Document Header
         T166C . "Print-Relevant Purchasing Document Changes

DATA   : ITAB1 LIKE CDSHW OCCURS 100 WITH HEADER LINE.
DATA   : ITAB2 LIKE EKPO  OCCURS 100 WITH HEADER LINE.
DATA   : DOCUM LIKE EKKO OCCURS 100 WITH HEADER LINE.
DATA   : TABKEY LIKE CDSHW-TABKEY.

data    : begin of ctab occurs 10,
          tname like t166c-tname,
          fname like t166c-fname,
          TABKEY LIKE CDSHW-TABKEY,
          FLAG(3),
          end of ctab.

DATA   : VAL1(15), VAL2(15).
DATA : M1(20), M2(10), M3(10),M4(5).
DATA : RVDATE(10),RVDATE2(10) , EBELN LIKE EKKO-EBELN, COUNT TYPE I.
* Text number for change text(CTXNR), CHANGE TEXT(CHTXT), Purchase order
* Number and item number are passed from Layoutset
*---------------------------------------------------------------------*
*       FORM CHDET                                                    *
*---------------------------------------------------------------------*
*       ........                                                      *
*---------------------------------------------------------------------*
*  -->  ITAB                                                          *
*  -->  OTAB                                                          *
*---------------------------------------------------------------------*
FORM CHDET TABLES ITAB STRUCTURE  ITCSY
                  OTAB STRUCTURE  ITCSY.
  LOOP AT ITAB.
    CASE ITAB-NAME.
      WHEN 'T166T-CHTXT'.
        MOVE ITAB-VALUE TO M1.
      WHEN 'T166T-CTXNR'.
        MOVE ITAB-VALUE TO M2.
      WHEN 'EKKO-EBELN'.
        MOVE ITAB-VALUE TO M3.
      WHEN 'EKPO-EBELP'.
        MOVE ITAB-VALUE TO M4.

    ENDCASE.
  ENDLOOP.
* Throught this function change details are retrived into itab1.
  CALL FUNCTION 'ME_CHANGES_READ'
       EXPORTING
            DOCUMENT_CATEGORY = 'F'
            DOCUMENT_NUMBER   = M3
       TABLES
            XCDSHW            = itab1.

  SELECT SINGLE * FROM T166C WHERE CTXNR = M2.

  IF SY-SUBRC = 0.

    CONCATENATE M3 M4  INTO TABKEY.

*********Last Modified Remarks only***********************
*    read table ctab with key  tname  = T166C-TNAME
*                                      tabkey  = tabkey
*                                      fname   = T166C-FNAME.
*    if sy-subrc ne 0.
**********************************************************
    LOOP AT ITAB1 WHERE TABNAME = T166C-TNAME
                                  AND   TABKEY+3(15) = TABKEY
                                  AND   FNAME = T166C-FNAME.
**********Last Modified Remarks only***********************
*        ctab-tname  = t166c-tname.
*        ctab-fname  = t166c-fname.
*        ctab-tabkey = tabkey.
*        append ctab.
***********************************************************
      delete itab1.

      exit.

    endloop.
* Captured details are exported to Layoutset
    LOOP AT OTAB.

      CASE OTAB-NAME.
        WHEN 'ITAB1-F_OLD'.
          OTAB-VALUE = ITAB1-F_OLD.
          MODIFY OTAB.
          CLEAR : ITAB1-F_OLD.
        WHEN 'ITAB1-F_NEW'.
          OTAB-VALUE = ITAB1-F_NEW.
          MODIFY OTAB.
          CLEAR : ITAB1-F_NEW.

      ENDCASE.

    endloop.
  endif.
*******Last Modified Remarks only*****************
*  ENDIF.
**************************************************
  clear ctab.

ENDFORM.

*---------------------------------------------------------------------*
*       FORM CHDATE                                                   *
*---------------------------------------------------------------------*
*       ........                                                      *
*---------------------------------------------------------------------*
*  -->  ITAB                                                          *
*  -->  OTAB                                                          *
*---------------------------------------------------------------------*
* Form for revision date retrival. PO no. is passed from layoutset
* and in the change document header latest modified date is captured
* and passed to revision date field in Layoutset.

FORM CHDATE TABLES ITAB STRUCTURE  ITCSY
                  OTAB STRUCTURE  ITCSY.
  CLEAR : RVDATE, EBELN.
  LOOP AT ITAB.
    CASE ITAB-NAME.
      WHEN 'EKKO-EBELN'.
        MOVE ITAB-VALUE TO EBELN.
    ENDCASE.

  ENDLOOP.

SELECT UDATE INTO CDHDR-UDATE FROM CDHDR WHERE OBJECTCLAS = 'EINKBELEG'
                                                   AND OBJECTID = EBELN.
    IF RVDATE < CDHDR-UDATE.
      RVDATE = CDHDR-UDATE.
    ENDIF.
    COUNT = COUNT + 1.
  ENDSELECT.

  LOOP AT OTAB.
    CASE OTAB-NAME.
      WHEN 'RVDATE2'.
     CONCATENATE RVDATE+6(2) '.' RVDATE+4(2) '.' RVDATE(4) INTO RVDATE2.
        IF COUNT = 1.
          RVDATE2 = ''.
        ENDIF.

        MOVE RVDATE2 TO OTAB-VALUE.

        MODIFY OTAB.
    ENDCASE.

  ENDLOOP.
 CLEAR : COUNT.
ENDFORM.

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