Thursday, September 16, 2010

SAP Function Modules Part -2


CONVERT_ABAPSPOOLJOB_2_PDF convert abap spool output to PDF


CONVERT_OTF Convert SAP documents (SAPScript) to other types.
Example: 

CALL FUNCTION "CONVERT_OTF"
           EXPORTING         FORMAT                           = "PDF"
           IMPORTING         BIN_FILESIZE                     = FILE_LEN
           TABLES              OTF                                   = OTFDATA
                                    LINES                                = PDFDATA
           EXCEPTIONS       ERR_MAX_LINEWIDTH         = 1
                                    ERR_FORMAT                     = 2
                                    ERR_CONV_NOT_POSSIBLE   = 3
                                    OTHERS                             = 4.
CONVERT_OTFSPOOLJOB_2_PDF converts a OTF spool to PDF (i.e. Sapscript document)


CONVERT_TO_FOREIGN_CURRENCY Convert local currency to foreign currency.


CONVERT_TO_LOCAL_CURRENCY Convert from foreign currency to local currency


DATE_CHECK_PLAUSIBILITY Check to see if a date is in a valid format for SAP. Works well when validating dates being passed in from other systems.


DATE_COMPUTE_DAY Returns a number indicating what day of the week the date falls on. Monday is returned as a 1, Tuesday as 2, etc.


DATE_GET_WEEK will return the week that a date is in.


DATE_IN_FUTURE Calculate a date N days in the future.


DATE_TO_DAY Converts a date in internal format to a text description of a day. For example 20030529 returns Thursday


DAY_ATTRIBUTES_GET Return useful information about a day. Will tell you the day of the week as a word (Tuesday), the day of the week (2 would be Tuesday), whether the day is a holiday, and more.(provided by Francois Henrotte)


DOWNLOAD download a file to the presentation server (PC)


DYNP_VALUES_READ Read the values from a dynpro. This function can be used to read the values from a report's selection screen too (Another example).

DYNP_VALUES_UPDATE Similar to DYNP_VALUES_READ, this function will allow the updating of fields on a dynpro. Very useful when you want to change a field based on the value entered for another field.


ENQUE_SLEEP Wait a specified period of time before continuing processing.


ENQUEUE_ESFUNCTION Lock an abap program so that it cannot be executed.
Example: 

Set the parameters as follows:
      RELID = 'ZZ'
      SRTF2 = 0 
      SRTF = (your report name)
Please note that you should not use SY-REPID to pass your report name to the function. The value of SY-REPID will change as it is being passed to the function module, and will no longer hold the value of the calling report.


EPS_GET_DIRECTORY_LISTING return a list of filenames from a local or network drive


EPS_GET_FILE_ATTRIBUTES Pass in a filename and a path, and will return attributes for the file


F4_DATE displays a calendar in a popup window and allows user to choose a date, or it can be displayed read only.


F4_IF_FIELD_VALUE_REQUEST Use values from a DDIC table to provide a list of possible values. TABNAME and FIELDNAME are required fields, and when MULTIPLE_CHOICE is selected, more than one value can be returned.


F4IF_INT_TABLE_VALUE_REQUEST F4 help that returns the values selected in an internal table. Very handy when programming your very own F4 help for a field.

Function Group GRAP is now obsolete. SAP recommends using functions in function group SFES instead. Below is an overview of the changes.


G_SET_GET_ALL_VALUES Fetch values from a set.


GET_CURRENT_YEAR Get the current fiscal year.
Example: 

CALL FUNCTION 'GET_CURRENT_YEAR'
     EXPORTING
           BUKRS = '1000' " Company Code
           DATE = SY-DATUM " Date to find fiscal year for
     IMPORTING
          CURRM = w_currm " Current Fiscal Month
          CURRY = w_curry " Current Fiscal Year
          PREVM = w_prevm " Previous Fiscal Month
          PREVY = w_prevy. " Previous Fiscal Year
GET_GLOBAL_SYMBOLS Returns a list of all tables, select options, texts, etc for a program. Even includes the text definitions for the selection screen


GET_INCLUDETAB Returns a list of all INCLUDES in a program


GET_JOB_RUNTIME_INFO Get the current job number from a program. Also returns other useful info about the current job.


GET_PAYSLIP Returns a fully formatted payslip, ready for displaying


GUI_CREATE_DIRECTORY Create a directory on the presentation server


GUI_DELETE_FILE Replaces WS_FILE_DELETE. Delete a file on the presentation server


GUI_DOWNLOAD Replaces WS_DOWNLOAD. Download table from the app server to presentation server


GUI_EXEC Replaces WS_EXECUTE. Start a File or Program Asynchronously with WinExec


GUI_GET_DESKTOP_INFO Replaces WS_QUERY. Delivers Information About the Desktop (client)


GUI_REMOVE_DIRECTORY Delete a directory on the presentation server


GUI_RUN Start a File or Program Asynchronously with ShellExecute


GUI_UPLOAD Replaces WS_UPLOAD. Upoad file from presentation server to the app server


HELP_START Display help for a field. Useful for doing AT SELECTION SCREEN ON VALUE REQUEST for those fields that do not provide F4 help at the DDIC level.


HELP_VALUES_GET_WITH_TABLE Show a list of possible values for F4 popup help on selection screens. This function module pops up a screen that is just like all the other F4 helps, so it looks like the rest of the SAP system. Very useful for providing dropdowns on fields that do not have them predefined.
Example: 

tables: t001w.

DATA:   lc_werks          LIKE t001w-werks,
            ltab_fields LIKE help_value OCCURS 0 with header line,

            BEGIN OF ltab_values OCCURS 0,
                feld(40) TYPE c,
            END OF ltab_values.

*-- Set up fields to retrieve data
         ltab_fields-tabname = 'T001W'.
         ltab_fields-fieldname = 'WERKS'.
         ltab_fields-selectflag = 'X'.
         APPEND ltab_fields.

         ltab_fields-tabname = 'T001W'.
         ltab_fields-fieldname = 'NAME1'.
         ltab_fields-selectflag = space.
         APPEND ltab_fields.

*-- Fill values
    select * from t001w.
       ltab_values-feld = t001w-werks.
       append ltab_values.
       ltab_values-feld = t001w-name1.
       append ltab_values.
    endselect.

CALL FUNCTION 'HELP_VALUES_GET_WITH_TABLE'
      EXPORTING
           fieldname = 'WERKS'
           tabname = 'T001W'
           title_in_values_list = 'Select a value'
      IMPORTING
           select_value = lc_werks
      TABLES
           fields = ltab_fields
           valuetab = ltab_values
      EXCEPTIONS
           field_not_in_ddic = 01
           more_then_one_selectfield = 02
           no_selectfield = 03.

F4IF_SHLP_EXIT_EXAMPLE documents the different reasons to use a search help exit, and shows how it is done.


F4IP_INT_TABLE_VALUE_REQUEST This function does not exist in 4.6 and above. Use F4IF_INT_TABLE_VALUE_REQUEST instead.


FILENAME_GET popup to get a filename from a user, returns blank filename if user selects cancel


FM_SELECTION_CRITERIA_PRINT Print out selection criteria. Nicley formatted.


FORMAT_MESSAGE Takes a message id and number, and puts it into a variable. Works better than WRITE_MESSAGE, since some messages use $ as a place holder, and WRITE_MESSAGE does not accommadate that, it only replaces the ampersands (&) in the message.


FTP_COMMAND Execute a command on the FTP server


FTP_CONNECT Open a connection (and log in) to an FTP server


FTP_DISCONNECT Close the connection (and log off) the FTP server


FU CSAP_MAT_BOM_READ You can use this function module to display simple material BOMs. You cannot display BOM groups (for example, all variants of a variant BOM). as in transaction CS03. Current restrictions: You cannot display long texts. You cannot display sub-items. You cannot display classification data of BOM items for batches. You can only display one alternative or variant. You cannot enter an alternative for module CSAP_MAT_BOM_READ, so you always see alternative 01. The following example came from a posting on the SAP-R3-L mailing list.
Example: 

data:  begin of tstk2 occurs 0.
            include structure stko_api02.
data:  end of tstk2.

data:  begin of tstp2 occurs 0.
            include structure stpo_api02.
data:  end of tstp2.


data:  begin of tdep_data occurs 0.
           include structure csdep_data.
data:  end of tdep_data.

data:  begin of tdep_descr occurs 0.
           include structure csdep_descr.
data:  end of tdep_descr.

data:  begin of tdep_source occurs 0.
           include structure csdep_source.
data:  end of tdep_source.

data:  begin of tdep_order occurs 0.
           include structure csdep_order.
data:  end of tdep_order.

data:  begin of tdep_doc occurs 0.
          include structure csdep_doc.
data:  end of tdep_doc.

data:  flg_warning like capiflag-flwarning.

       call function 'CSAP_MAT_BOM_READ'
              exporting
                   material = 'MAT100'
                   plant = '0001'
                   bom_usage = '1'
                   valid_from = '20.12.1996'
                  * valid_to
              importing
                   fl_warning = flg_warning
              tables
                   t_stko = tstk2
                   t_stpo = tstp2
                   t_dep_data = tdep_data
                   t_dep_descr = tdep_descr
                   t_dep_source = tdep_source
                   t_dep_order = tdep_order
                   t_dep_doc = tdep_doc
               exceptions
                   error = 1. 
















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