Showing posts with label F4 Help. Show all posts
Showing posts with label F4 Help. Show all posts

Populate a screen field without triggering PAI using FM DYNP_VALUES_UPDATE

This program demonstrates how to populate a screen field depending upon another field without triggering PAI using FM DYNP_VALUES_UPDATE.






The Code:

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*&---------------------------------------------------------------------*
*&Program: Z_TEST_PROGRAM
*&Creation Date: 26.07.2008 12:54:08
*&---------------------------------------------------------------------*
*& Test program for blog http://abap-explorer.blogspot.com/
*&---------------------------------------------------------------------*
REPORT  z_test_program1.
 
PARAMETERS:
p_name TYPE uname,
p_ctry TYPE char2.
 
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_name.
 
PERFORM sub_populate_f4_help USING 'P_NAME'.
 
START-OF-SELECTION.
 
END-OF-SELECTION.
 
*&---------------------------------------------------------------------*
*&      Form  sub_populate_f4_help
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_RETFIELD text
*----------------------------------------------------------------------*
FORM sub_populate_f4_help USING p_retfield TYPE dynfnam.
TYPES:
BEGIN OF l_x_names,
  uname TYPE uname,
END OF l_x_names.
 
DATA:
l_i_names TYPE STANDARD TABLE OF l_x_names INITIAL SIZE 0,
l_wa_names TYPE l_x_names,
l_i_field_tab TYPE STANDARD TABLE OF dfies INITIAL SIZE 0,
l_i_return_tab TYPE STANDARD TABLE OF ddshretval INITIAL SIZE 0,
l_wa_return_tab TYPE ddshretval,
l_i_dynpfld_mapping TYPE STANDARD TABLE OF dselc INITIAL SIZE 0.
 
l_wa_names-uname = 'TEST1'.
APPEND l_wa_names TO l_i_names.
l_wa_names-uname = 'TEST2'.
APPEND l_wa_names TO l_i_names.
l_wa_names-uname = 'TEST3'.
APPEND l_wa_names TO l_i_names.
l_wa_names-uname = 'TEST4'.
APPEND l_wa_names TO l_i_names.
 
 
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
  EXPORTING
    retfield        = 'UNAME'
    dynpprog        = sy-repid
    dynpnr          = sy-dynnr
    dynprofield     = p_retfield
    value_org       = 'S'
  TABLES
    value_tab       = l_i_names
    field_tab       = l_i_field_tab
    return_tab      = l_i_return_tab
    dynpfld_mapping = l_i_dynpfld_mapping
  EXCEPTIONS
    parameter_error = 1
    no_values_found = 2
    OTHERS          = 3.
IF sy-subrc = 0.
  READ TABLE l_i_return_tab INTO l_wa_return_tab INDEX 1.
  p_name = l_wa_return_tab-fieldval.
ELSE.
  MESSAGE e001(00) WITH 'Error while displaying F4 help'.
ENDIF.
 
DATA: l_i_dynpfields  TYPE STANDARD TABLE OF dynpread INITIAL SIZE 0,
      l_wa_dynpfields TYPE dynpread.
IF p_name = 'TEST1'.
  l_wa_dynpfields-fieldname = 'P_CTRY'.
  l_wa_dynpfields-fieldvalue = 'IN'.
  APPEND l_wa_dynpfields TO l_i_dynpfields.
ELSE.
  l_wa_dynpfields-fieldname = 'P_CTRY'.
  CLEAR l_wa_dynpfields-fieldvalue.
  APPEND l_wa_dynpfields TO l_i_dynpfields.
ENDIF.
 
CALL FUNCTION 'DYNP_VALUES_UPDATE'
  EXPORTING
    dyname               = sy-repid
    dynumb               = sy-dynnr
  TABLES
    dynpfields           = l_i_dynpfields
  EXCEPTIONS
    invalid_abapworkarea = 1
    invalid_dynprofield  = 2
    invalid_dynproname   = 3
    invalid_dynpronummer = 4
    invalid_request      = 5
    no_fielddescription  = 6
    undefind_error       = 7
    OTHERS               = 8.
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.                    "sub_populate_f4_help
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Get the entered value from a field on POV of another field using FM DYNP_VALUES_READ

Demo code on how to populate search help values dynamically depending upon values of another parameter on F4 button press. We have to use FM "DYNP_VALUES_READ".






The Code:

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*&---------------------------------------------------------------------*
*& Program : Z_TEST_PROGRAM
*& Created on : 23.07.2008 22:55:41
*&---------------------------------------------------------------------*
*& Test program for blog http://abap-explorer.blogspot.com/
*&---------------------------------------------------------------------*
REPORT  z_test_program.

*Data Declaration
TYPES :
BEGIN OF x_spfli,
carrid TYPE s_carr_id,
connid TYPE s_conn_id,
END OF x_spfli.

DATA :
i_spfli TYPE STANDARD TABLE OF x_spfli INITIAL SIZE 0.
*Parameters
PARAMETERS:
p_carrid TYPE x_spfli-carrid OBLIGATORY,
p_connid TYPE x_spfli-connid.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_connid.

PERFORM sub_get_f4.

START-OF-SELECTION.

WRITE: / ' this is for testing'.
*&---------------------------------------------------------------------*
*&      Form  sub_get_f4
*&---------------------------------------------------------------------*
*       Subroutine to populate F$ help
*----------------------------------------------------------------------*
FORM sub_get_f4 .
DATA:
l_i_dynpfields  TYPE STANDARD TABLE OF dynpread INITIAL SIZE 0,
l_wa_dynpfields TYPE dynpread,
l_carrid TYPE s_carr_id.
*Populate the Parameter Name whoso value is required

l_wa_dynpfields-fieldname = 'P_CARRID'.
APPEND l_wa_dynpfields TO l_i_dynpfields.

*Call the FM to read that value
CALL FUNCTION 'DYNP_VALUES_READ'
EXPORTING
dyname                         = sy-repid
dynumb                         = sy-dynnr
*   TRANSLATE_TO_UPPER             = ' '
*   REQUEST                        = ' '
*   PERFORM_CONVERSION_EXITS       = ' '
*   PERFORM_INPUT_CONVERSION       = ' '
*   DETERMINE_LOOP_INDEX           = ' '
TABLES
dynpfields                     = l_i_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
      .
IF sy-subrc = 0.
*Get the value
READ TABLE l_i_dynpfields INTO l_wa_dynpfields
WITH KEY fieldname = 'P_CARRID'.
IF sy-subrc = 0.
l_carrid = l_wa_dynpfields-fieldvalue.

SELECT
carrid          " Airline Code
connid          " Flight Connection Number
FROM spfli      " Flight schedule
INTO TABLE i_spfli WHERE carrid = l_carrid.

CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
  EXPORTING
    retfield    = 'CONNID'
    dynpprog    = sy-repid
    dynpnr      = sy-dynnr
    dynprofield = 'P_CONNID'
    value_org   = 'S'
  TABLES
    value_tab   = i_spfli.
ENDIF.
ENDIF.
ENDFORM.                    " sub_get_f4
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