Retrieve comment texts from cluster table for SAP infotype 19

*......................................................................*
*: Report  ZIT0019_TXT                                                :*
*: Author  SAPdev.co.uk                                               :*
*:.....................................................................*
*: Description :                                                      :*
*:.............:                                                      :*
*: Retrieves comment text for infotype 0019 form PCL1 cluster table   :*
*:                                                                    :*
*: Please visit www.SAP Development for further info                     :*
*:....................................................................:*
REPORT  zp191rep_txt.                                               .
NODES: pernr.
INFOTYPES: 0019.
TYPE-POOLS: slis.
*---------------------------------------------------------------------*
*        Daten zu Cluster TX (Infotyptexte)                           *
*---------------------------------------------------------------------*
INCLUDE RPC1TX00.
*INCLUDE rpcitx00.
*INCLUDE rpcitd00.
TYPES: BEGIN OF t_reptab,
  pernr TYPE pernr-pernr,
  subty TYPE p0019-subty,
  termn TYPE p0019-termn,
  text  LIKE ptext-line,
 END OF t_reptab.
DATA: it_reptab TYPE STANDARD TABLE OF t_reptab INITIAL SIZE 0,
      wa_reptab TYPE t_reptab.
*ALV data declarations
DATA: fieldcatalog TYPE slis_t_fieldcat_alv WITH HEADER LINE,
      gd_tab_group TYPE slis_t_sp_group_alv,
      gd_layout    TYPE slis_layout_alv,
      gd_repid     LIKE sy-repid,
      it_sortcat   TYPE slis_sortinfo_alv OCCURS 1,
      wa_sort LIKE LINE OF it_sortcat.
SELECTION-SCREEN BEGIN OF BLOCK subtyp WITH FRAME TITLE text-001.
SELECT-OPTIONS: so_sub FOR p0019-subty.
SELECTION-SCREEN END OF BLOCK subtyp.
************************************************************************
*START-OF-SELECTION.
START-OF-SELECTION.
GET pernr.
*rp_provide_from_last p0019 space pn-begda pn-endda.
  PROVIDE * FROM p0019 BETWEEN pn-begda AND pn-endda.
    CHECK p0019-subty IN so_sub.
    MOVE-CORRESPONDING p0019 TO tx-key.
    tx-key-infty = '0019'.
    rp-imp-c1-tx.
    IF sy-subrc = 0.
      LOOP AT ptext.
        MOVE-CORRESPONDING p0019 TO wa_reptab.
        wa_reptab-text = ptext-line.
        APPEND wa_reptab TO it_reptab.
        CLEAR: wa_reptab.
      ENDLOOP.
    ENDIF.
  ENDPROVIDE.
  SORT it_reptab BY pernr subty.
************************************************************************
*END-OF-SELECTION.
END-OF-SELECTION.
  PERFORM build_fieldcatalog.
  PERFORM build_layout.
  PERFORM build_sortcat.
  PERFORM display_alv_report.
*&---------------------------------------------------------------------*
*&      Form  BUILD_FIELDCATALOG
*&---------------------------------------------------------------------*
*       Build Fieldcatalog for ALV Report
*----------------------------------------------------------------------*
FORM build_fieldcatalog.
  fieldcatalog-fieldname   = 'PERNR'.
  fieldcatalog-seltext_m   = 'Personnel Num'.
  fieldcatalog-col_pos     = 0.
  fieldcatalog-outputlen   = 10.
  fieldcatalog-emphasize   = 'X'.
  fieldcatalog-key         = 'X'.
*  fieldcatalog-do_sum      = 'X'.
*  fieldcatalog-no_zero     = 'X'.
  APPEND fieldcatalog TO fieldcatalog.
  CLEAR  fieldcatalog.
  fieldcatalog-fieldname   = 'SUBTY'.
  fieldcatalog-seltext_m   = 'Sub Type'.
  fieldcatalog-col_pos     = 1.
  APPEND fieldcatalog TO fieldcatalog.
  CLEAR  fieldcatalog.
  fieldcatalog-fieldname   = 'TERMN'.
  fieldcatalog-seltext_m   = 'Sub Type'.
  fieldcatalog-col_pos     = 1.
  APPEND fieldcatalog TO fieldcatalog.
  CLEAR  fieldcatalog.
  fieldcatalog-fieldname   = 'TEXT'.
  fieldcatalog-seltext_m   = 'Text'.
  fieldcatalog-col_pos     = 2.
  APPEND fieldcatalog TO fieldcatalog.
  CLEAR  fieldcatalog.
ENDFORM.                    " BUILD_FIELDCATALOG
*&---------------------------------------------------------------------*
*&      Form  BUILD_LAYOUT
*&---------------------------------------------------------------------*
*       Build layout for ALV grid report
*----------------------------------------------------------------------*
FORM build_layout.
  gd_layout-no_input          = 'X'.
  gd_layout-colwidth_optimize = 'X'.
  gd_layout-totals_text       = 'Totals'(201).
*  gd_layout-totals_only        = 'X'.
*  gd_layout-f2code            = 'DISP'.  "Sets fcode for when double
*                                         "click(press f2)
*  gd_layout-zebra             = 'X'.
*  gd_layout-group_change_edit = 'X'.
*  gd_layout-header_text       = 'helllllo'.
ENDFORM.                    " BUILD_LAYOUT
*&---------------------------------------------------------------------*
*&      Form  DISPLAY_ALV_REPORT
*&---------------------------------------------------------------------*
*       Display report using ALV grid
*----------------------------------------------------------------------*
FORM display_alv_report.
  gd_repid = sy-repid.
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
       EXPORTING
            i_callback_program      = gd_repid
*            i_callback_top_of_page   = 'TOP-OF-PAGE'  "see FORM
*            i_callback_user_command = 'USER_COMMAND'
*            i_grid_title           = outtext
            is_layout               = gd_layout
            it_fieldcat             = fieldcatalog[]
            it_sort                 = it_sortcat
*            it_special_groups       = gd_tabgroup
*            IT_EVENTS                = GT_XEVENTS
            i_save                  = 'X'
*            is_variant              = z_template
       TABLES
            t_outtab                = it_reptab
       EXCEPTIONS
            program_error           = 1
            OTHERS                  = 2.
  IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
ENDFORM.                    " DISPLAY_ALV_REPORT
*&---------------------------------------------------------------------*
*&      Form  build_sortcat
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM build_sortcat .
  wa_sort-spos      = 1.
  wa_sort-fieldname = 'PERNR'.
*  gd_sortcat-tabname
  APPEND wa_sort TO it_sortcat.
  wa_sort-spos      = 2.
  wa_sort-fieldname = 'SUBTY'.
*  gd_sortcat-tabname
  APPEND wa_sort TO it_sortcat.
  wa_sort-spos      = 3.
  wa_sort-fieldname = 'TERMN'.
*  gd_sortcat-tabname
  APPEND wa_sort TO it_sortcat.
ENDFORM.                    " build_sortcat