REPORT z_alv_list_block.
*---------------------------------------------------------------------*
* Demo of FM ALV_BLOCK_LIST_APPEND                                    *
*---------------------------------------------------------------------*
* Author : Michel PIOUD - Updated 21-Dec-07                           *
* HomePage : http://www.oocities.org/mpioud                          *
*---------------------------------------------------------------------*
CONSTANTS :
  c_x VALUE 'X'.
*---------------------------------------------------------------------*
TYPE-POOLS: slis.                      " ALV Global types

TYPES:
* 1st Table
  BEGIN OF ty_kna1,
    kunnr TYPE kna1-kunnr,             " Customer number
    ernam TYPE kna1-ernam,             " Name of Person who Created
    erdat TYPE kna1-erdat,             " Creation date
    name1 TYPE kna1-name1,             " Name 1                    .
  END OF ty_kna1,

* 2nd Table
  BEGIN OF ty_mara,
    matnr TYPE mara-matnr,             " Material number
    ernam TYPE mara-ernam,             " Name of Person who Created
    ersda TYPE mara-ersda,             " Creation date
    mtart TYPE mara-mtart,             " Material type
    matkl TYPE mara-matkl,             " Material group
  END OF ty_mara,

* 3rd Table
  BEGIN OF ty_vbak,
    vbeln TYPE vbak-vbeln,             " Sales document
    vkorg TYPE vbak-vkorg,             " Sales organization
    vtweg TYPE vbak-vtweg,             " Distribution channel
    kunnr TYPE vbak-kunnr,             " Sold-to party
    erdat TYPE vbak-erdat,             " Creation date
  END OF ty_vbak.
*---------------------------------------------------------------------*
DATA:
  gt_kna1 TYPE TABLE OF ty_kna1,
  gt_mara TYPE TABLE OF ty_mara,
  gt_vbak TYPE TABLE OF ty_vbak.

*---------------------------------------------------------------------*
SELECTION-SCREEN :
  SKIP, BEGIN OF LINE,COMMENT 5(27) v_1 FOR FIELD p_max.    "#EC NEEDED
PARAMETERS p_max(2) TYPE n DEFAULT '02' OBLIGATORY.
SELECTION-SCREEN END OF LINE.

*---------------------------------------------------------------------*
INITIALIZATION.

  v_1 = 'Maximum of records to read'.

*---------------------------------------------------------------------*
START-OF-SELECTION.

* Read data
  SELECT kunnr ernam erdat name1
    FROM kna1
   UP TO p_max ROWS
    INTO TABLE gt_kna1.

  SELECT matnr ernam ersda mtart matkl
    FROM mara
   UP TO p_max ROWS
    INTO TABLE gt_mara.

  SELECT vbeln vkorg vtweg kunnr erdat
    FROM vbak
   UP TO p_max ROWS
    INTO TABLE gt_vbak.

  CALL FUNCTION 'REUSE_ALV_BLOCK_LIST_INIT'
    EXPORTING
      i_callback_program      = sy-cprog
      i_callback_user_command = 'USER_COMMAND'.

  PERFORM list_append TABLES gt_kna1
                       USING '1'
                             'GT_KNA1'.

  PERFORM list_append TABLES gt_mara
                       USING '2'
                             'GT_MARA'.

  PERFORM list_append TABLES gt_vbak
                      USING '3'
                            'GT_VBAK'.

*---------------------------------------------------------------------*
END-OF-SELECTION.

  PERFORM f_list_display.

*---------------------------------------------------------------------*
*       FORM USER_COMMAND                                             *
*---------------------------------------------------------------------*
FORM user_command USING u_ucomm     TYPE sy-ucomm
                        us_selfield TYPE slis_selfield.     "#EC CALLED

  DATA:
    ls_vbak TYPE ty_vbak.

  CASE u_ucomm.
    WHEN '&IC1'.                       " Pick
      CASE us_selfield-tabname.
        WHEN 'GT_MARA'.
        WHEN 'GT_KNA1'.
        WHEN 'GT_VBAK'.
          READ TABLE gt_vbak INDEX us_selfield-tabindex INTO ls_vbak.
          IF sy-subrc EQ 0.
*           Sales order number
            SET PARAMETER ID 'AUN' FIELD ls_vbak-vbeln.
*           Display Sales Order
            CALL TRANSACTION 'VA03' AND SKIP FIRST SCREEN.
          ENDIF.
      ENDCASE.
  ENDCASE.

ENDFORM.                               " USER_COMMAND
*---------------------------------------------------------------------*
*       Form  list_append
*---------------------------------------------------------------------*
FORM list_append TABLES ut_table  TYPE table
                  USING u_no      TYPE numc1
                        u_tabname TYPE slis_tabname.

* Macro definition
  DEFINE m_fieldcat.
    ls_fieldcat-fieldname = &1.
    ls_fieldcat-ref_tabname = &2.
    append ls_fieldcat to lt_fieldcat.
  END-OF-DEFINITION.

  DEFINE m_sort.
    ls_sort-fieldname = &1.
    ls_sort-up        = c_x.
    append ls_sort to lt_sort.
  END-OF-DEFINITION.

  DATA :
    ls_fieldcat TYPE slis_fieldcat_alv,
    lt_fieldcat TYPE slis_t_fieldcat_alv, " Field catalog
    ls_sort     TYPE slis_sortinfo_alv,
    lt_sort     TYPE slis_t_sortinfo_alv. " Sort table

  DATA:
    lt_events TYPE slis_t_event,
    ls_event  TYPE slis_alv_event,
    ls_layout TYPE slis_layout_alv.

  ls_layout-group_change_edit = c_x.
  ls_layout-colwidth_optimize = c_x.
  ls_layout-zebra             = c_x.
  ls_layout-cell_merge        = c_x.
  ls_layout-detail_popup      = c_x.
  ls_layout-get_selinfos      = c_x.
  ls_layout-max_linesize      = '200'.

  CASE u_no.
    WHEN '1'.
* Build field catalog and sort table
      m_fieldcat  'KUNNR' 'KNA1'.
      m_fieldcat  'ERNAM' 'KNA1'.
      m_fieldcat  'ERDAT' 'KNA1'.
      m_fieldcat  'NAME1' 'KNA1'.
      m_sort  'KUNNR'.
    WHEN '2'.
      m_fieldcat 'MATNR' 'MARA'.
      m_fieldcat 'ERNAM' 'MARA'.
      m_fieldcat 'ERSDA' 'MARA'.
      m_fieldcat 'MTART' 'MARA'.
      m_fieldcat 'MATKL' 'MARA'.
      m_sort 'MATNR'.
    WHEN '3'.
      m_fieldcat 'VBELN' 'VBAK'.
      m_fieldcat 'VKORG' 'VBAK'.
      m_fieldcat 'VTWEG' 'VBAK'.
      m_fieldcat 'KUNNR' 'VBAK'.
      m_fieldcat 'ERDAT' 'VBAK'.
      m_sort 'VBELN'.
  ENDCASE.

  IF u_no CA '13'.
    MOVE        'TOP_OF_PAGE'        TO ls_event-name.
    CONCATENATE 'TOP_OF_PAGE' u_no INTO ls_event-form.
    APPEND ls_event TO lt_events.
  ELSE.
    MOVE        'TOP_OF_LIST'        TO ls_event-name.
    CONCATENATE 'TOP_OF_LIST' u_no INTO ls_event-form.
    APPEND ls_event TO lt_events.
  ENDIF.

  CALL FUNCTION 'REUSE_ALV_BLOCK_LIST_APPEND'
    EXPORTING
      it_fieldcat                = lt_fieldcat
      is_layout                  = ls_layout
      i_tabname                  = u_tabname
      it_events                  = lt_events
      it_sort                    = lt_sort
    TABLES
      t_outtab                   = ut_table
    EXCEPTIONS
      program_error              = 1
      maximum_of_appends_reached = 2
      OTHERS                     = 3.
  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.                               " LIST_APPEND
*---------------------------------------------------------------------*
*       Form  f_list_display
*---------------------------------------------------------------------*
FORM f_list_display.

  DATA ls_print TYPE slis_print_alv.

  ls_print-no_print_selinfos  = c_x.   " Display no selection infos
  ls_print-no_print_listinfos = c_x.   " Display no listinfos
  ls_print-reserve_lines      = 2.     " Lines reserved for end of page

  CALL FUNCTION 'REUSE_ALV_BLOCK_LIST_DISPLAY'
    EXPORTING
      i_interface_check = ' '
      is_print          = ls_print
    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.                               " F_LIST_DISPLAY
*---------------------------------------------------------------------*
*       FORM top_of_page1                                             *
*---------------------------------------------------------------------*
FORM top_of_page1.                                          "#EC CALLED

  PERFORM top_of_page.

ENDFORM.                    "TOP_OF_PAGE1
*---------------------------------------------------------------------*
*       FORM top_of_page3                                             *
*---------------------------------------------------------------------*
FORM top_of_page3.                                          "#EC CALLED

  PERFORM top_of_page.

ENDFORM.                    "TOP_OF_PAGE3
*---------------------------------------------------------------------*
*       FORM top_of_page                                              *
*---------------------------------------------------------------------*
FORM top_of_page.

  ULINE.
  WRITE : sy-uname, sy-title(56) CENTERED, sy-datum.
  ULINE.

ENDFORM.                    "TOP_OF_PAGE
*---------------------------------------------------------------------*
*       FORM top_of_list2                                             *
*---------------------------------------------------------------------*
FORM top_of_list2.                                          "#EC CALLED

  WRITE 'TOP OF LIST2'.

ENDFORM.                    "TOP_OF_LIST2
************** END OF PROGRAM Z_ALV_LIST_BLOCK ***********************