Posted: Mon Sep 17, 2007 7:32 pm Post subject: Изменение значений экрана с использованием Search-Help
Copy from F4IF_SHLP_EXIT_EXAMPLE
Code:
FUNCTION Z_F4IF_SHLP_EXIT_ROOM.
*"----------------------------------------------------------------------
*"*"Local interface:
*" TABLES
*" SHLP_TAB TYPE SHLP_DESCR_TAB_T
*" RECORD_TAB STRUCTURE SEAHLPRES
*" CHANGING
*" VALUE(SHLP) TYPE SHLP_DESCR_T
*" VALUE(CALLCONTROL) LIKE DDSHF4CTRL STRUCTURE DDSHF4CTRL
*"----------------------------------------------------------------------
* data declarations for populating batch field on dynpro
DATA: DYFIELDS LIKE DYNPREAD OCCURS 1 WITH HEADER LINE.
constants: c_dynumb(04) value '1145'.
constants: c_werks(132) value 'ANLZ-WERKS'.
constants: c_stort(132) value 'ANLZ-STORT'.
DATA: w_selopt LIKE LINE OF shlp-selopt.
DATA: wa_dynpfields LIKE DYNPREAD.
DATA: wa_room LIKE zroom.
DATA: ENV_INFO TYPE DDSHF4ENV.
* EXIT immediately, if you do not want to handle this step
CHECK SY-TCODE EQ 'AS02'.
IF CALLCONTROL-STEP <> 'SELONE' AND
CALLCONTROL-STEP <> 'SELECT' AND
CALLCONTROL-STEP <> 'PRESEL1' AND
CALLCONTROL-STEP <> 'RETURN' AND
" AND SO ON
CALLCONTROL-STEP <> 'DISP'.
EXIT.
ENDIF.
IF NOT SY-SUBRS IS INITIAL.
ENV_INFO-SUBPROG = SY-CPROG.
ENV_INFO-SUBDYNP = c_dynumb.
ENDIF.
*"----------------------------------------------------------------------
* STEP SELONE (Select one of the elementary searchhelps)
*"----------------------------------------------------------------------
* This step is only called for collective searchhelps. It may be used
* to reduce the amount of elementary searchhelps given in SHLP_TAB.
* The compound searchhelp is given in SHLP.
* If you do not change CALLCONTROL-STEP, the next step is the
* dialog, to select one of the elementary searchhelps.
* If you want to skip this dialog, you have to return the selected
* elementary searchhelp in SHLP and to change CALLCONTROL-STEP to
* either to 'PRESEL' or to 'SELECT'.
IF CALLCONTROL-STEP = 'SELONE'.
* PERFORM SELONE .........
EXIT.
ENDIF.
*"----------------------------------------------------------------------
* STEP PRESEL (Enter selection conditions)
*"----------------------------------------------------------------------
* This step allows you, to influence the selection conditions either
* before they are displayed or in order to skip the dialog completely.
* If you want to skip the dialog, you should change CALLCONTROL-STEP
* to 'SELECT'.
* Normaly only SHLP-SELOPT should be changed in this step.
IF CALLCONTROL-STEP = 'PRESEL'.
* PERFORM PRESEL ..........
EXIT.
ENDIF.
w_selopt-sign = 'I'.
w_selopt-option = 'EQ'.
LOOP AT DYFIELDS.
CHECK NOT DYFIELDS-FIELDVALUE IS INITIAL.
CASE DYFIELDS-FIELDNAME.
WHEN c_werks.
w_selopt-shlpfield = 'WERKS'.
w_selopt-low = DYFIELDS-FIELDVALUE.
append w_selopt to shlp-selopt.
WHEN c_stort.
w_selopt-shlpfield = 'STORT'.
w_selopt-low = DYFIELDS-FIELDVALUE.
append w_selopt to shlp-selopt.
ENDCASE.
ENDLOOP.
EXIT.
ENDIF.
*"----------------------------------------------------------------------
* STEP RETURN (Select one of the elementary searchhelps)
*"----------------------------------------------------------------------
IF CALLCONTROL-STEP = 'RETURN'.
DATA: LEN TYPE I.
DESCRIBE FIELD wa_room LENGTH LEN.
MOVE RECORD_TAB(LEN) TO wa_room.
MOVE c_werks TO wa_dynpfields-fieldname.
MOVE wa_room-WERKS TO wa_dynpfields-fieldvalue.
TRANSLATE wa_dynpfields-fieldname TO UPPER CASE.
APPEND wa_dynpfields TO DYFIELDS.
MOVE c_stort TO wa_dynpfields-fieldname.
MOVE wa_room-STORT TO wa_dynpfields-fieldvalue.
TRANSLATE wa_dynpfields-fieldname TO UPPER CASE.
APPEND wa_dynpfields TO DYFIELDS.
*"----------------------------------------------------------------------
* STEP SELECT (Select values)
*"----------------------------------------------------------------------
* This step may be used to overtake the data selection completely.
* To skip the standard seletion, you should return 'DISP' as following
* step in CALLCONTROL-STEP.
* Normally RECORD_TAB should be filled after this step.
* Standard function module F4UT_RESULTS_MAP may be very helpfull in this
* step.
IF CALLCONTROL-STEP = 'SELECT'.
* PERFORM STEP_SELECT TABLES RECORD_TAB SHLP_TAB
* CHANGING SHLP CALLCONTROL RC.
* IF RC = 0.
* CALLCONTROL-STEP = 'DISP'.
* ELSE.
* CALLCONTROL-STEP = 'EXIT'.
* ENDIF.
EXIT. "Don't process STEP DISP additionally in this call.
ENDIF.
*"----------------------------------------------------------------------
* STEP DISP (Display values)
*"----------------------------------------------------------------------
* This step is called, before the selected data is displayed.
* You can e.g. modify or reduce the data in RECORD_TAB
* according to the users authority.
* If you want to get the standard display dialog afterwards, you
* should not change CALLCONTROL-STEP.
* If you want to overtake the dialog on you own, you must return
* the following values in CALLCONTROL-STEP:
* - "RETURN" if one line was selected. The selected line must be
* the only record left in RECORD_TAB. The corresponding fields of
* this line are entered into the screen.
* - "EXIT" if the values request should be aborted
* - "PRESEL" if you want to return to the selection dialog
* Standard function modules F4UT_PARAMETER_VALUE_GET and
* F4UT_PARAMETER_RESULTS_PUT may be very helpfull in this step.
IF CALLCONTROL-STEP = 'DISP'.
* PERFORM AUTHORITY_CHECK TABLES RECORD_TAB SHLP_TAB
* CHANGING SHLP CALLCONTROL.
EXIT.
ENDIF.
ENDFUNCTION.
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