*&---------------------------------------------------------------------*
*& Generates the ALV on the Selection Screen itself
*&
*&---------------------------------------------------------------------*
REPORT  Z_YY_DISPOSAL_REQ_INQ.

TYPES: BEGIN OF ty_req,
       company_code TYPE ZFI_DISPOSAL_REQ-ZZCOMPANY_CODE,
       cost_center  TYPE ZFI_DISPOSAL_REQ-ZZCOST_CENTER,
       END OF ty_req.
DATA:   gwa_req         TYPE ty_req,
        gt_req          TYPE TABLE OF ty_req,
        gt_return       TYPE TABLE OF ddshretval,
        gwa_return      TYPE ddshretval,
        gwa_dynpfields  TYPE dynpread,
        gt_dynpfields   TYPE TABLE OF dynpread,
        gv_company_code TYPE ZFI_DISPOSAL_REQ-ZZCOMPANY_CODE.
*
*----------------------------------------------------------------------*
*  Local class for report
*----------------------------------------------------------------------*
CLASS lcl_report DEFINITION.
*
  PUBLIC SECTION.
*
    DATA: t_data   TYPE STANDARD TABLE OF ZFI_DISPOSAL_REQ,  " Output dat
          r_carrid TYPE RANGE OF sflight-carrid.    " Select Option
*
    METHODS:
      get_data,
*
      generate_output.
*
ENDCLASS.                    "lcl_report DEFINITION
*
DATA: lo_report TYPE REF TO lcl_report.
*
DATA: w_carrid TYPE sflight-carrid.
*
** Selection Screen
SELECTION-SCREEN BEGIN OF BLOCK SELECTION WITH FRAME TITLE text-001.

SELECTION-SCREEN BEGIN OF LINE.
  SELECTION-SCREEN COMMENT (20) text-002 FOR FIELD COM_CODE .
PARAMETERS :     COM_CODE LIKE ZFI_DISPOSAL_REQ-ZZCOMPANY_CODE DEFAULT '1200'.
SELECTION-SCREEN POSITION 35.
SELECTION-SCREEN COMMENT (20) text-003 FOR FIELD COST_CNT .
PARAMETERS :     COST_CNT LIKE ZFI_DISPOSAL_REQ-ZZCOST_CENTER.
SELECTION-SCREEN POSITION 70.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
  SELECTION-SCREEN COMMENT (20) text-004 FOR FIELD SER_NO .
PARAMETERS :     SER_NO   LIKE ZFI_DISPOSAL_REQ-ZZSR_NUMBER.
*SELECTION-SCREEN POSITION 10.
SELECTION-SCREEN COMMENT (20) text-005 FOR FIELD SRV_TYPE .
PARAMETERS :     SRV_TYPE LIKE ZFI_DISPOSAL_REQ-ZZSERVICE_TYPE.
SELECTION-SCREEN POSITION 70.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
  SELECTION-SCREEN COMMENT (20) text-006 FOR FIELD DATE .
PARAMETERS :     DATE LIKE ZFI_DISPOSAL_REQ-ZZDATE.
*SELECTION-SCREEN POSITION 35.
SELECTION-SCREEN COMMENT (20) text-007 FOR FIELD REQ_STS .
PARAMETERS :     REQ_STS  LIKE ZFI_DISPOSAL_REQ-ZZRQSTTS.
SELECTION-SCREEN PUSHBUTTON (10) BUT1 USER-COMMAND SEARCH.
SELECTION-SCREEN PUSHBUTTON (10) BUT2 USER-COMMAND RESET.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK SELECTION.
*
    WRITE : / 'ERROR2'.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR COST_CNT.
  WRITE : / 'WELCOME1'.
  REFRESH gt_dynpfields.

  gwa_dynpfields-fieldname = 'COM_CODE'.
  APPEND gwa_dynpfields TO gt_dynpfields.

  CALL FUNCTION 'DYNP_VALUES_READ'
    EXPORTING
      DYNAME                               = sy-repid
      DYNUMB                               = sy-dynnr
    TABLES
      DYNPFIELDS                           = gt_dynpfields
   EXCEPTIONS
     INVALID_ABAPWORKAREA                 = 1
     INVALID_DYNPROFIELD                  = 2
     INVALID_DYNPRONAME                   = 3
     INVALID_DYNPRONUMMER                 = 4
     INVALID_REQUEST                      = 5
     NO_FIELDDESCRIPTION                  = 6
     INVALID_PARAMETER                    = 7
     UNDEFIND_ERROR                       = 8
     DOUBLE_CONVERSION                    = 9
     STEPL_NOT_FOUND                      = 10
     OTHERS                               = 11
            .
  READ TABLE gt_dynpfields INTO gwa_dynpfields
             WITH KEY fieldname = 'COM_CODE'.

  IF SY-SUBRC = 0.
      gv_company_code = gwa_dynpfields-fieldvalue.
*      MESSAGE ID 'ZALV_ERRORS' TYPE 'I' NUMBER '000' WITH gv_company_code.
  ELSE.
    WRITE : / 'ERROR1'.
  ENDIF.

  SELECT ZZCOMPANY_CODE ZZCOST_CENTER
         INTO TABLE gt_req
         FROM ZFI_DISPOSAL_REQ
         WHERE ZZCOMPANY_CODE = gv_company_code.

    CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
      EXPORTING
        RETFIELD               = 'COST_CENTER'
        VALUE_ORG              = 'S'
      TABLES
        VALUE_TAB              = gt_req
        RETURN_TAB             = gt_return
     EXCEPTIONS
       PARAMETER_ERROR        = 1
       NO_VALUES_FOUND        = 2
       OTHERS                 = 3
              .

     READ TABLE gt_return INTO gwa_return INDEX 1.

    IF SY-SUBRC = 0.
      COST_CNT = gwa_return-fieldval.
        ELSE.
    WRITE : / 'ERROR2'.
    ENDIF.



** Initialization
INITIALIZATION.
BUT1 = 'Search'.
BUT2 = 'Reset'.
* object for the report
  CREATE OBJECT lo_report.
* generate output
  lo_report->generate_output( ).
*
** Start of Selection
START-OF-SELECTION.
* Get data
*  lo_report->r_carrid = s_carrid[].
  lo_report->get_data( ).
*
*----------------------------------------------------------------------*
* Local Class Implementation
*----------------------------------------------------------------------*
CLASS lcl_report IMPLEMENTATION.
*
  METHOD get_data.
*
*   data selection
    SELECT * FROM ZFI_DISPOSAL_REQ
           INTO  TABLE me->t_data.
    IF sy-dbcnt IS INITIAL.
      MESSAGE s398(00) WITH 'No data selected'.
    ENDIF.
*
*   export to memory
    EXPORT data = me->t_data TO MEMORY ID sy-cprog.
*
  ENDMETHOD.                    "get_data
*
  METHOD generate_output.
*
*   local data
    DATA: lo_dock TYPE REF TO cl_gui_docking_container,
          lo_cont TYPE REF TO cl_gui_container,
          lo_alv  TYPE REF TO cl_salv_table.
*
*   import output table from the memory and free afterwards
    IMPORT data = me->t_data FROM MEMORY ID sy-cprog.
    FREE MEMORY ID sy-cprog.
*
*   Only if there is some data
    CHECK me->t_data IS NOT INITIAL.
*
*   Create a docking control at bottom
    CHECK lo_dock IS INITIAL.
    CREATE OBJECT lo_dock
      EXPORTING
        repid = sy-cprog
        dynnr = sy-dynnr
        ratio = 80
        side  = cl_gui_docking_container=>dock_at_bottom
        name  = 'DOCK_CONT'.
    IF sy-subrc <> 0.
      MESSAGE 'Error in the Docking control' TYPE 'S'.
    ENDIF.
*
*   Create a SALV for output
    CHECK lo_alv IS INITIAL.
    TRY.
*       Narrow Casting: To initialize custom container from
*       docking container
        lo_cont ?= lo_dock.
*
*       SALV Table Display on the Docking container
        CALL METHOD cl_salv_table=>factory
          EXPORTING
            list_display   = if_salv_c_bool_sap=>false
            r_container    = lo_cont
            container_name = 'DOCK_CONT'
          IMPORTING
            r_salv_table   = lo_alv
          CHANGING
            t_table        = me->t_data.
      CATCH cx_salv_msg .
    ENDTRY.
*
*   Pf status
    DATA: lo_functions TYPE REF TO cl_salv_functions_list.
    lo_functions = lo_alv->get_functions( ).
    lo_functions->set_default( abap_true ).
*
*   output display
    lo_alv->display( ).
*
  ENDMETHOD.                    "generate_output
*
ENDCLASS.                    "lcl_report IMPLEMENTATION