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Открытие заданной директории



 
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Рустам
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Joined: 26 Dec 2007
Posts: 73
PostPosted: Tue Apr 08, 2008 10:30 am    Post subject: Открытие заданной директории Reply with quote
Такое задание, на селекционном экране поле для ввода пути к файлу. Если пользователь ввел начальный путь или он задан из варианта, нужно, чтобы по нажатию F4 открылось заданная директория с заданным фильтром.
PARAMETERS: p_file LIKE rlgrap-filename DEFAULT 'c:\work\*.xls'.

Сейчас же открывается корень диска C: и доступны все файлы для выбора.
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vga
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Joined: 04 Oct 2007
Posts: 1218
Location: Санкт-Петербург
PostPosted: Tue Apr 08, 2008 7:18 pm    Post subject: Reply with quote
Code:
DATA: rc            TYPE I,
      user_action   TYPE I,
      filetable     TYPE FILETABLE,
      wa_filetable  TYPE LINE OF FILETABLE,
      result        TYPE C,
      s_path        TYPE STRING,
      l_drive       TYPE PCFILE-DRIVE,
      l_path        TYPE PCFILE-PATH,
      s_filter      TYPE STRING.

PARAMETERS: p_path TYPE PCFILE-PATH LOWER CASE.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_path.
  CLEAR: rc.
  REFRESH: filetable.
  DATA: progname TYPE sy-repid,
        dynnum   TYPE sy-dynnr.
  DATA: dynpfields LIKE dynpread OCCURS 1 WITH HEADER LINE.

  progname = sy-cprog.
  dynnum   = sy-dynnr.

*-------------------------------

  REFRESH dynpfields.
  CLEAR: dynpfields.

  dynpfields-fieldname = 'P_PATH'.
  APPEND dynpfields.

  CALL FUNCTION 'DYNP_VALUES_READ'
    EXPORTING
      dyname               = progname
      dynumb               = dynnum
    TABLES
      dynpfields           = dynpfields
    EXCEPTIONS
      invalid_abapworkarea = 01
      invalid_dynprofield  = 02
      invalid_dynproname   = 03
      invalid_dynpronummer = 04
      invalid_request      = 05
      no_fielddescription  = 06
      undefind_error       = 07.

  IF NOT dynpfields[] IS INITIAL.
    READ TABLE dynpfields INDEX 1.
  ENDIF.

  l_path = dynpfields-fieldvalue.

  CALL FUNCTION 'PC_SPLIT_COMPLETE_FILENAME'
       EXPORTING
         COMPLETE_FILENAME = l_path
       IMPORTING
         DRIVE             = l_drive
         EXTENSION         = s_filter
         PATH              = l_path
       EXCEPTIONS
         INVALID_DRIVE     = 1
         INVALID_EXTENSION = 2
         INVALID_NAME      = 3
         INVALID_PATH      = 4
       .
  IF NOT s_filter IS INITIAL.
    CONCATENATE '*.' s_filter INTO s_filter.
  ENDIF.
  CONCATENATE l_drive ':' l_path INTO s_path.
  CALL METHOD cl_gui_frontend_services=>file_open_dialog
    EXPORTING
      window_title            = 'Gui upload'
      with_encoding           = 'X'
      initial_directory       = s_path
      file_filter             = s_filter
      default_filename        = s_filter
      default_extension       = 'Excel files http://*.XLS'
    CHANGING
      file_table              = filetable
      rc                      = rc
      user_action             = user_action
    EXCEPTIONS
      file_open_dialog_failed = 1
      cntl_error              = 2
      error_no_gui            = 3
      not_supported_by_gui    = 4
      OTHERS                  = 5.
  IF sy-subrc NE 0.
    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
    WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

  ELSEIF user_action EQ 0.
    READ TABLE filetable INTO wa_filetable INDEX 1.
    s_path = wa_filetable-filename.
    CALL METHOD cl_gui_frontend_services=>file_exist
      EXPORTING
        file                 = s_path
      RECEIVING
        result               = result
      EXCEPTIONS
        cntl_error           = 1
        error_no_gui         = 2
        wrong_parameter      = 3
        not_supported_by_gui = 4
        OTHERS               = 5.
    IF sy-subrc NE 0.
      MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
      WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ELSEIF result EQ 'X'.
      p_path = s_path.
    ELSE.
      MESSAGE 'file does not exist' TYPE 'E'.
    ENDIF.

  ENDIF.
  IF user_action NE CL_GUI_FRONTEND_SERVICES=>action_ok.
    CLEAR: p_path. "if user action is cancelled or something else
    EXIT.
  ENDIF.
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