Update to Upload program

Have modified the upload program to make it similar to the recent download program.

*&---------------------------------------------------------------------*
*& Report  ZUPLOAD
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*
REPORT ZUPLOAD MESSAGE-ID zx_message.
*----------------------------------------------------------------------*
*       CLASS upload DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS upload DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS open_file.
    METHODS start.
    METHODS end.
    METHODS free_log.
    METHODS display_output.
    METHODS display_log.
  PRIVATE SECTION.
    CONSTANTS c_max_ranges TYPE i VALUE 100.
    CONSTANTS c_seperator TYPE abap_char1 VALUE cl_abap_char_utilities=>horizontal_tab.
    DATA upload_file_tab TYPE REF TO data.
    DATA upload_file_row TYPE REF TO data.
    DATA t_tab_file TYPE TABLE OF string.
    DATA o_struc_type TYPE REF TO cl_abap_structdescr.
    DATA s_log TYPE bal_s_log.
    DATA log_handle         TYPE balloghndl.
    DATA t_log_handle       TYPE bal_t_logh.
    DATA o_ccont_display TYPE REF TO cl_gui_custom_container.
    DATA o_ccont_log TYPE REF TO cl_gui_custom_container.
    DATA dummy.
    DATA t_filecontent TYPE string_table.
    METHODS convert_file2struc IMPORTING i_header TYPE boolean
                                         i_separator TYPE c.
    METHODS create_table_and_row.
    METHODS read_file IMPORTING i_file TYPE string.
    METHODS open_log.
    METHODS add_msg.
ENDCLASS.                    "upload DEFINITION
DATA o_upload TYPE REF TO upload.
DATA s_t001 TYPE t001.
*--------------------------------------------------------------------*
* File Location
SELECTION-SCREEN BEGIN OF BLOCK file WITH FRAME TITLE text-f01.
PARAMETERS:
  p_file   TYPE rlgrap-filename OBLIGATORY,
  p_header AS CHECKBOX DEFAULT abap_true.
SELECTION-SCREEN END OF BLOCK file.
*--------------------------------------------------------------------*
* Material selection
SELECTION-SCREEN BEGIN OF BLOCK bukrs WITH FRAME TITLE text-001.
*--- company options
SELECT-OPTIONS s_bukrs FOR s_t001-bukrs.
SELECTION-SCREEN END OF BLOCK bukrs.
*--------------------------------------------------------------------*
* Defaults
SELECTION-SCREEN BEGIN OF BLOCK intr WITH FRAME TITLE text-t03.
PARAMETERS:
  p_struc TYPE strukname DEFAULT 'T001'.
SELECTION-SCREEN END OF BLOCK intr.
*--------------------------------------------------------------------*
* F4
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
  upload=>open_file( ).
*--------------------------------------------------------------------*
START-OF-SELECTION.
  CREATE OBJECT o_upload.
  o_upload->start( ).
*--------------------------------------------------------------------*
END-OF-SELECTION.
  o_upload->end( ).
  CALL SCREEN 0100.
*----------------------------------------------------------------------*
*       CLASS upload IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS upload IMPLEMENTATION.
  METHOD open_file.
    DATA:
        l_t_file_table TYPE TABLE OF file_table,
        l_s_file_table TYPE file_table.
    DATA l_subrc TYPE i.
    CALL METHOD cl_gui_frontend_services=>file_open_dialog
      CHANGING
        file_table              = l_t_file_table
        rc                      = l_subrc
      EXCEPTIONS
        file_open_dialog_failed = 1
        cntl_error              = 2
        error_no_gui            = 3
        not_supported_by_gui    = 4
        OTHERS                  = 5.
    IF sy-subrc <> 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
                 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
    READ TABLE l_t_file_table INTO l_s_file_table INDEX 1.
    p_file = l_s_file_table-filename.
  ENDMETHOD.                    "open_file
  METHOD start.
    DATA l_file TYPE string.
    l_file = p_file.
    open_log( ).
    create_table_and_row( ).
    read_file( i_file = l_file ).
    convert_file2struc( i_header    = p_header
                        i_separator = c_seperator ).
  ENDMETHOD.                    "start
  METHOD create_table_and_row.
    DATA l_type TYPE string.
    DATA lo_type TYPE REF TO cl_abap_typedescr.
    DATA lo_tabletype TYPE REF TO cl_abap_tabledescr.
    l_type = p_struc.
    CALL METHOD cl_abap_structdescr=>describe_by_name
      EXPORTING
        p_name         = l_type
      RECEIVING
        p_descr_ref    = lo_type
      EXCEPTIONS
        type_not_found = 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.
    o_struc_type ?= lo_type.
    CREATE DATA upload_file_row TYPE HANDLE o_struc_type.
    TRY.
        CALL METHOD cl_abap_tabledescr=>create
          EXPORTING
            p_line_type  = o_struc_type
*    P_TABLE_KIND = TABLEKIND_STD
*    P_UNIQUE     = ABAP_FALSE
*    P_KEY        =
*    P_KEY_KIND   = KEYDEFKIND_DEFAULT
          RECEIVING
            p_result     = lo_tabletype
            .
      CATCH cx_sy_table_creation .
    ENDTRY.
    CREATE DATA upload_file_tab TYPE HANDLE lo_tabletype.
* Structure mapped successfully
    MESSAGE s181 INTO dummy.
    add_msg( ).
  ENDMETHOD.                    "create_table_and_row
  METHOD convert_file2struc.
    DATA:
      l_struc TYPE REF TO data,
      l_o_datadescr TYPE REF TO cl_abap_datadescr,
      l_o_tabledescr TYPE REF TO cl_abap_tabledescr,
      l_t_fields TYPE string_table,
      l_s_fields TYPE string.
    FIELD-SYMBOLS:
      <l_filecontent> TYPE ANY,
      <l_field> TYPE ANY,
      <l_row> TYPE ANY,
      <l_struc_content> TYPE table.
    ASSIGN upload_file_row->* TO <l_row>.
    ASSIGN upload_file_tab->* TO <l_struc_content>.
    LOOP AT t_filecontent ASSIGNING <l_filecontent>.
      IF i_separator IS INITIAL. " File is same as structure
        <l_row> = <l_filecontent>.
      ELSE.
*---split based on the separator
        SPLIT <l_filecontent> AT i_separator INTO TABLE l_t_fields.
        LOOP AT l_t_fields INTO l_s_fields.
          ASSIGN COMPONENT sy-tabix OF STRUCTURE <l_row> TO <l_field>.
          <l_field> = l_s_fields.
        ENDLOOP.
      ENDIF.
      APPEND <l_row> TO <l_struc_content>.
    ENDLOOP.
  ENDMETHOD.                    "convert_file2struc
  METHOD end.
  ENDMETHOD.                    "end
  METHOD open_log.
* create a log
    s_log-extnumber  = 'Application Log in Subscreen'(001).
    CALL FUNCTION 'BAL_LOG_CREATE'
      EXPORTING
        i_s_log      = s_log
      IMPORTING
        e_log_handle = log_handle
      EXCEPTIONS
        OTHERS       = 1.
    IF sy-subrc <> 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
               WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
    INSERT log_handle INTO TABLE t_log_handle.
* Log opened successfully
    MESSAGE s180 INTO dummy.
    add_msg( ).
  ENDMETHOD.                    "open_log
  METHOD add_msg.
    DATA:
      l_s_msg   TYPE bal_s_msg.
* define data of message for Application Log
    l_s_msg-msgty     = sy-msgty.
    l_s_msg-msgid     = sy-msgid.
    l_s_msg-msgno     = sy-msgno.
    l_s_msg-msgv1     = sy-msgv1.
    l_s_msg-msgv2     = sy-msgv2.
    l_s_msg-msgv3     = sy-msgv3.
    l_s_msg-msgv4     = sy-msgv4.
* add this message to log file
    CALL FUNCTION 'BAL_LOG_MSG_ADD'
      EXPORTING
        i_log_handle = log_handle
        i_s_msg      = l_s_msg
      EXCEPTIONS
        OTHERS       = 1.
    IF sy-subrc <> 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
              WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
  ENDMETHOD.                    "add_msg
  METHOD free_log.
* free all data (this must NOT be forgotten !)
    CALL FUNCTION 'BAL_DSP_OUTPUT_FREE'
      EXCEPTIONS
        OTHERS = 1.
    IF sy-subrc <> 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
               WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
  ENDMETHOD.                    "free_log
  METHOD display_output.
    DATA:
      l_r_table   TYPE REF TO cl_salv_table,
*      l_r_event_handler TYPE REF TO l_cl_event_handler,
      l_r_events TYPE REF TO cl_salv_events_table,
      l_t_salv_t_int4_column TYPE salv_t_int4_column,
      l_s_salv_t_int4_column TYPE LINE OF salv_t_int4_column.
    FIELD-SYMBOLS <l_upload_file_tab> TYPE table.
    ASSIGN upload_file_tab->* TO <l_upload_file_tab>.
*--------------------------------------------------------------------*
    IF o_ccont_display IS INITIAL.
* Create holder container
      CREATE OBJECT o_ccont_display
        EXPORTING
*    PARENT                      =
          container_name              = 'CCONTROL_0101'
*    STYLE                       =
*    LIFETIME                    = lifetime_default
*    REPID                       =
*    DYNNR                       =
*    NO_AUTODEF_PROGID_DYNNR     =
        EXCEPTIONS
          cntl_error                  = 1
          cntl_system_error           = 2
          create_error                = 3
          lifetime_error              = 4
          lifetime_dynpro_dynpro_link = 5
          OTHERS                      = 6
          .
      IF sy-subrc <> 0.
        MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
                   WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
      ENDIF.
*--------------------------------------------------------------------*
* Create AVL table
      TRY.
          cl_salv_table=>factory(
            EXPORTING
              r_container = o_ccont_display
            IMPORTING
              r_salv_table = l_r_table
            CHANGING
              t_table      = <l_upload_file_tab> ).
        CATCH cx_salv_msg.                              "#EC NO_HANDLER
      ENDTRY.
*--------------------------------------------------------------------*
* Functions
      DATA:
        lr_functions TYPE REF TO cl_salv_functions_list.
      lr_functions = l_r_table->get_functions( ).
*  lr_functions->set_aggregation_total( abap_true ).
      lr_functions->set_default( abap_true ).
* Columns
      DATA:
        lr_columns TYPE REF TO cl_salv_columns_table,
        lr_column TYPE REF TO cl_salv_column.
      lr_columns = l_r_table->get_columns( ).
      lr_columns->set_optimize( abap_true ).
      TRY.
          CALL METHOD lr_columns->set_exception_column
            EXPORTING
              value     = 'TRAFFIC_LIGHT'
              group     = '2'
              condensed = if_salv_c_bool_sap=>false.
        CATCH cx_salv_data_error .
      ENDTRY.
      TRY.
          CALL METHOD lr_columns->set_cell_type_column
            EXPORTING
              value = 'CELL_TYPE'.
        CATCH cx_salv_data_error .
      ENDTRY.
      l_r_table->display( ).
    ENDIF.
  ENDMETHOD.                    "get_e1maktm
  METHOD display_log.
    DATA:
      l_r_table   TYPE REF TO cl_salv_table,
*      l_r_event_handler TYPE REF TO l_cl_event_handler,
      l_r_events TYPE REF TO cl_salv_events_table,
      l_t_salv_t_int4_column TYPE salv_t_int4_column,
      l_s_salv_t_int4_column TYPE LINE OF salv_t_int4_column.
    DATA ls_display_profile  TYPE bal_s_prof.
    DATA l_control_handle     TYPE balcnthndl.
    FIELD-SYMBOLS <l_upload_file_tab> TYPE table.
*--------------------------------------------------------------------*
* Create holder container
    IF o_ccont_log IS INITIAL.
      CREATE OBJECT o_ccont_log
        EXPORTING
*    PARENT                      =
          container_name              = 'CCONTROL_0102'
*    STYLE                       =
*    LIFETIME                    = lifetime_default
*    REPID                       =
*    DYNNR                       =
*    NO_AUTODEF_PROGID_DYNNR     =
        EXCEPTIONS
          cntl_error                  = 1
          cntl_system_error           = 2
          create_error                = 3
          lifetime_error              = 4
          lifetime_dynpro_dynpro_link = 5
          OTHERS                      = 6
          .
      IF sy-subrc <> 0.
        MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
                   WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
      ENDIF.
*       get a display profile which describes how to display messages
      CALL FUNCTION 'BAL_DSP_PROFILE_NO_TREE_GET'
        IMPORTING
          e_s_display_profile = ls_display_profile.
      ls_display_profile-no_toolbar = 'X'.
*--------------------------------------------------------------------*
*       create control to display data
      CALL FUNCTION 'BAL_CNTL_CREATE'
        EXPORTING
          i_container         = o_ccont_log
          i_s_display_profile = ls_display_profile
          i_t_log_handle      = t_log_handle
        IMPORTING
          e_control_handle    = l_control_handle
        EXCEPTIONS
          OTHERS              = 1.
      IF sy-subrc <> 0.
        MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
                WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
      ENDIF.
    ENDIF.
  ENDMETHOD.                    "display_log
  METHOD read_file.
    CALL METHOD cl_gui_frontend_services=>gui_upload
      EXPORTING
        filename                = i_file
*        has_field_separator     = 'X'
      CHANGING
        data_tab                = t_filecontent
      EXCEPTIONS
        file_open_error         = 1
        file_read_error         = 2
        no_batch                = 3
        gui_refuse_filetransfer = 4
        invalid_type            = 5
        no_authority            = 6
        unknown_error           = 7
        bad_data_format         = 8
        header_not_allowed      = 9
        separator_not_allowed   = 10
        header_too_long         = 11
        unknown_dp_error        = 12
        access_denied           = 13
        dp_out_of_memory        = 14
        disk_full               = 15
        dp_timeout              = 16
        not_supported_by_gui    = 17
        error_no_gui            = 18
        OTHERS                  = 19.
    IF sy-subrc <> 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
                 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
  ENDMETHOD.                    "read_file
ENDCLASS.                    "upload IMPLEMENTATION
*&---------------------------------------------------------------------*
*&      Module  status_0100  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
* set status and title
  SET PF-STATUS 'STATUS'.
  SET TITLEBAR 'TITLE'.
* flush data to frontend
  CALL METHOD cl_gui_cfw=>flush.
ENDMODULE.                 " status_0100  OUTPUT
*&SPWIZARD: FUNCTION CODES FOR TABSTRIP 'TAB_STRIP'
CONSTANTS: BEGIN OF c_tab_strip,
             tab1 LIKE sy-ucomm VALUE 'TAB_STRIP_FC1',
             tab2 LIKE sy-ucomm VALUE 'TAB_STRIP_FC2',
           END OF c_tab_strip.
*&SPWIZARD: DATA FOR TABSTRIP 'TAB_STRIP'
CONTROLS:  tab_strip TYPE TABSTRIP.
DATA:      BEGIN OF g_tab_strip,
             subscreen   LIKE sy-dynnr,
             prog        LIKE sy-repid VALUE 'Zupload',
             pressed_tab LIKE sy-ucomm VALUE c_tab_strip-tab1,
           END OF g_tab_strip.
DATA:      ok_code LIKE sy-ucomm.
*&SPWIZARD: OUTPUT MODULE FOR TS 'TAB_STRIP'. DO NOT CHANGE THIS LINE!
*&SPWIZARD: SETS ACTIVE TAB
MODULE tab_strip_active_tab_set OUTPUT.
  tab_strip-activetab = g_tab_strip-pressed_tab.
  CASE g_tab_strip-pressed_tab.
    WHEN c_tab_strip-tab1.
      g_tab_strip-subscreen = '0101'.
    WHEN c_tab_strip-tab2.
      g_tab_strip-subscreen = '0102'.
    WHEN OTHERS.
*&SPWIZARD:      DO NOTHING
  ENDCASE.
ENDMODULE.                    "TAB_STRIP_ACTIVE_TAB_SET OUTPUT
*&SPWIZARD: INPUT MODULE FOR TS 'TAB_STRIP'. DO NOT CHANGE THIS LINE!
*&SPWIZARD: GETS ACTIVE TAB
MODULE tab_strip_active_tab_get INPUT.
  ok_code = sy-ucomm.
  CASE ok_code.
    WHEN c_tab_strip-tab1.
      g_tab_strip-pressed_tab = c_tab_strip-tab1.
    WHEN c_tab_strip-tab2.
      g_tab_strip-pressed_tab = c_tab_strip-tab2.
    WHEN OTHERS.
*&SPWIZARD:      DO NOTHING
  ENDCASE.
ENDMODULE.                    "TAB_STRIP_ACTIVE_TAB_GET INPUT
*&---------------------------------------------------------------------*
*&      Module  user_command_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.
  CASE ok_code.
*   leave this screen
    WHEN 'ABBR' OR 'BACK' OR 'BEEN'.
      LEAVE TO SCREEN 0.
    WHEN OTHERS.
  ENDCASE.
* Delete log profile
  o_upload->free_log( ).
* call dispatch method of control framwork
  CALL METHOD cl_gui_cfw=>dispatch.
ENDMODULE.                 " user_command_0100  INPUT
*&---------------------------------------------------------------------*
*&      Module  display_output  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE display_output OUTPUT.
  o_upload->display_output( ).
ENDMODULE.                 " display_output  OUTPUT
*&---------------------------------------------------------------------*
*&      Module  display_log  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE display_log OUTPUT.
  o_upload->display_log( ).
ENDMODULE.                 " display_log  OUTPUT