Editable fields on ALV grid

Question

hi
can i make the fields of one of the columns of one of the rows as editable in ALV_GRID FM..?
if so pls guide me how do i do it..
after the user edits the data in the field, can i save that in another variable or another internal table? or modify the same internal table?
pls send me an example code also...
thanks in advance
srini

Answer 1

hi,
editable alv:
chk this link.
http://www.sapdevelopment.co.uk/reporting/alv/alvgrid_editable.htm
then u can capture the events in USER COMMAND.
http://www.sapdevelopment.co.uk/reporting/alv/alvgrid_ucomm.htm
See these threads
Re: Making selected alv rows editable
Re: selective edit in ALV grid
REPORT ZSRI_REPORT6 NO STANDARD PAGE HEADING
MESSAGE-ID ZZ
LINE-SIZE 132
LINE-COUNT 65 .
TABLES: MARA.
TYPE-POOLS: SLIS.
TYPES: BEGIN OF T_MARA,
MATNR TYPE MARA-MATNR, "Material Number
ERSDA TYPE MARA-ERSDA, "Creation date
BRGEW TYPE MARA-BRGEW, "Gross weight
NTGEW TYPE MARA-NTGEW, "Net weight
MTART TYPE MARA-MTART, "Material type
MBRSH TYPE MARA-MBRSH, "Industry Sector
REC_SEL TYPE C , "checkbox
END OF T_MARA.
V A R I A B L E S
DATA: V_REPID LIKE SY-REPID,
V_FLAG(1) TYPE C.
CONSTANTS :
C_X(1) TYPE C VALUE 'X',
C_PF_STATUS TYPE SLIS_FORMNAME VALUE 'F_SET_PF_STATUS',
C_FC_DELETE(6) TYPE C VALUE 'DELETE',
C_FC_MODIFY(6) TYPE C VALUE 'MODIFY',
C_USER_COMMAND TYPE SLIS_FORMNAME VALUE 'F_USER_COMMAND',
C_USER_COMMAND_MODIFY TYPE SLIS_FORMNAME
VALUE 'F_USER_COMMAND_MODIFY',
C_ICON_DELETE TYPE ICON-NAME VALUE 'ICON_DELETE', " Icon,Delete'
C_ICON_CANCEL TYPE ICON-NAME VALUE 'ICON_CANCEL', " Icon,Cancel'
C_FC_SAVE(4) TYPE C VALUE 'SAVE'.
*internal table declarations.
DATA: IT_MARA TYPE STANDARD TABLE OF T_MARA WITH HEADER LINE,
IT_MODIFY TYPE STANDARD TABLE OF T_MARA WITH HEADER LINE,
IT_TEMP TYPE STANDARD TABLE OF MARA WITH HEADER LINE,
*-ALV Internal Tables.
*--Field Catalog
IT_FIELDCAT TYPE STANDARD TABLE OF
SLIS_FIELDCAT_ALV WITH HEADER LINE,
*--Layout
WA_LAYOUT TYPE SLIS_LAYOUT_ALV,
*--Sort
IT_SORT TYPE SLIS_T_SORTINFO_ALV,
WA_SORT TYPE SLIS_SORTINFO_ALV ,
**-Structure for excluding function codes
WA_EXTAB TYPE SLIS_EXTAB,
**-To hold function codes to be excluded in ALV toolbar
IT_EXTAB TYPE SLIS_T_EXTAB.
*selection screen.
SELECTION-SCREEN: BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS: S_MATNR FOR MARA-MATNR,
S_ERSDA FOR MARA-ERSDA.
SELECTION-SCREEN: END OF BLOCK B1.
*--Radio buttons to select either Display/Delete/Modify
SELECTION-SCREEN BEGIN OF BLOCK B2 WITH FRAME
TITLE TEXT-002.
SELECTION-SCREEN : BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(20) TEXT-003.
PARAMETERS: P_DISP RADIOBUTTON GROUP RAD1 DEFAULT 'X'.
SELECTION-SCREEN : END OF LINE.
SELECTION-SCREEN : BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(20) TEXT-005.
PARAMETERS: P_UPD RADIOBUTTON GROUP RAD1.
SELECTION-SCREEN : END OF LINE.
SELECTION-SCREEN : BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(20) TEXT-004.
PARAMETERS: P_DEL RADIOBUTTON GROUP RAD1.
SELECTION-SCREEN : END OF LINE.
SELECTION-SCREEN END OF BLOCK B2 .
AT SELECTION-SCREEN.
PERFORM VALIDATE_SCREEN.
*start of selection
START-OF-SELECTION.
*clear the internal tables to be used.
CLEAR: IT_MARA,IT_MARA[],
V_FLAG.
*get the data
PERFORM GET_DATA.
*end of selection
END-OF-SELECTION.
IF IT_MARA[] IS INITIAL.
MESSAGE I000 WITH
'No Records found for the given Selection Criteria'(012).
ELSE.
*do alv process
V_REPID = SY-REPID.
*--Sort the Output Fields
PERFORM SORT_FIELDS.
*--Build Field catalog for the Output fields
PERFORM BUILD_FIELDCAT.
*--Set the Layout for ALV
PERFORM SET_LAYOUT.
IF P_DISP = C_X.
*--Exclude any Buttons on the Appn tool bar
perform change_default_pf_status.
MOVE C_FC_DELETE TO WA_EXTAB-FCODE. " DELETE button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
MOVE C_FC_MODIFY TO WA_EXTAB-FCODE. " MODIFY button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
ELSEIF P_UPD = C_X.
*--Exclude DELETE Button on the appn tool bar
MOVE C_FC_DELETE TO WA_EXTAB-FCODE. " DELETE button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
ELSEIF P_DEL = C_X.
*--Exclude MODIFY button on appn tool bar
MOVE C_FC_MODIFY TO WA_EXTAB-FCODE. " MODIFY button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
ENDIF.
*--Exclude SAVE button for all options
MOVE 'SAVE' TO WA_EXTAB-FCODE. " SAVE button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
*--Display ALV output
PERFORM LIST_DISPLAY TABLES IT_MARA
USING C_USER_COMMAND.
ENDIF.
*& Form get_data
FORM GET_DATA .
SELECT MATNR
ERSDA
BRGEW
NTGEW
MTART
MBRSH
FROM MARA
INTO TABLE IT_MARA
WHERE MATNR IN S_MATNR
AND ERSDA IN S_ERSDA.
IF SY-SUBRC <> 0.
*no records selected leave processing
STOP.
ENDIF.
SORT IT_MARA.
ENDFORM. " get_data
*& Form sort_fields
text
--> p1 text
<-- p2 text
FORM SORT_FIELDS .
CLEAR WA_SORT.
WA_SORT-FIELDNAME = 'MATNR'.
WA_SORT-SPOS = '1'.
WA_SORT-UP = 'X'.
APPEND WA_SORT TO IT_SORT.
CLEAR WA_SORT.
WA_SORT-FIELDNAME = 'ERSDA'.
WA_SORT-SPOS = '2'.
WA_SORT-UP = 'X'.
APPEND WA_SORT TO IT_SORT.
ENDFORM. " sort_fields
*& Form build_fieldcat
text
--> p1 text
<-- p2 text
FORM BUILD_FIELDCAT .
IT_FIELDCAT-COL_POS = '1'.
IT_FIELDCAT-FIELDNAME = 'MATNR'.
IT_FIELDCAT-KEY = 'X'.
IT_FIELDCAT-OUTPUTLEN = '15'.
IT_FIELDCAT-SELTEXT_L = 'Material number'(022).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-COL_POS = '2'.
IT_FIELDCAT-FIELDNAME = 'ERSDA'.
IT_FIELDCAT-KEY = 'X'.
IT_FIELDCAT-OUTPUTLEN = '10'.
IT_FIELDCAT-SELTEXT_L = 'Created on'(023).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-COL_POS = '3'.
IT_FIELDCAT-FIELDNAME = 'BRGEW'.
IT_FIELDCAT-OUTPUTLEN = '10'.
IT_FIELDCAT-SELTEXT_L = 'GROSS WEIGHT'(024).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-COL_POS = '4'.
IT_FIELDCAT-FIELDNAME = 'NTGEW'.
IT_FIELDCAT-OUTPUTLEN = '15'.
IT_FIELDCAT-SELTEXT_L = 'NET WEIGHT'(025).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-COL_POS = '5'.
IT_FIELDCAT-FIELDNAME = 'MTART'.
IT_FIELDCAT-OUTPUTLEN = '3'.
IT_FIELDCAT-SELTEXT_L = 'Material type'(026).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-COL_POS = '6'.
IT_FIELDCAT-FIELDNAME = 'MBRSH'.
IT_FIELDCAT-OUTPUTLEN = '25'.
IT_FIELDCAT-SELTEXT_L = 'Industry sector'(027).
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
IT_FIELDCAT-FIELDNAME = 'REC_SEL'.
IT_FIELDCAT-NO_OUT = C_X.
APPEND IT_FIELDCAT.
CLEAR IT_FIELDCAT.
ENDFORM. " build_fieldcat
*& Form list_display
text
-->P_IT_MARA text
-->P_C_USER_COMMAND text
FORM LIST_DISPLAY TABLES P_IT_MARA
USING P_USER_COMMAND TYPE SLIS_FORMNAME.
CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
EXPORTING
I_CALLBACK_PROGRAM = V_REPID
I_CALLBACK_PF_STATUS_SET = C_PF_STATUS
I_CALLBACK_USER_COMMAND = P_USER_COMMAND
IS_LAYOUT = WA_LAYOUT
IT_FIELDCAT = IT_FIELDCAT[]
IT_EXCLUDING = IT_EXTAB[]
IT_SORT = IT_SORT[]
TABLES
T_OUTTAB = P_IT_MARA
EXCEPTIONS
PROGRAM_ERROR = 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.
ENDFORM. " list_display
*& Form F_SET_PF_STATUS
Set PF_STATUS STANDARD modifying the standard toolbar
by excluding some buttons
-->P_IT_EXTAB -- TABLE OF EXCLUDING FUNCTIONS
FORM F_SET_PF_STATUS USING RT_EXTAB TYPE SLIS_T_EXTAB.
CLEAR : WA_EXTAB,
IT_EXTAB.
*--Set the Modified PF status for the ALV.
SET PF-STATUS 'ALV_STATUS_01' EXCLUDING RT_EXTAB.
ENDFORM. " SET_PF_STATUS
*& Form f_user_command
Handle user action on ALV toolbar
FORM F_USER_COMMAND USING R_UCOMM LIKE SY-UCOMM
RS_SELFIELD TYPE SLIS_SELFIELD.
RS_SELFIELD-REFRESH = C_X.
IF R_UCOMM = C_FC_DELETE.
*--User Selected DELETE button.
PERFORM DELETE_SELECTED_RECORDS.
ELSEIF R_UCOMM = C_FC_MODIFY.
*--If user selects MODIFY button.
PERFORM CHANGE_RECORDS.
ENDIF.
ENDFORM. "F_USER_COMMAND
*& Form POP_UP_CONFIRMATION
text
<--P_ANSWER text
FORM POP_UP_CONFIRMATION
CHANGING P_ANSWER TYPE C.
DATA:
L_TITLE(14) TYPE C, " Title of pop-up
L_TXT_QUESTION(52) TYPE C, " Text displayed in pop-up
L_DISP_CANCEL TYPE C, " Display 'Cancel' button?
L_BTN1 TYPE ICON-NAME, " Icon on button 1
L_BTN2 TYPE ICON-NAME. " Icon on button 2
L_TITLE = 'Delete'(017). " delete
L_TXT_QUESTION = 'Are you sure to delete?'(018).
L_BTN1 = C_ICON_DELETE.
L_BTN2 = C_ICON_CANCEL.
**-Display pop-up asking user for confirmation
CALL FUNCTION 'POPUP_TO_CONFIRM'
EXPORTING
TITLEBAR = L_TITLE
TEXT_QUESTION = L_TXT_QUESTION
TEXT_BUTTON_1 = 'Yes'
ICON_BUTTON_1 = L_BTN1
TEXT_BUTTON_2 = 'No'
ICON_BUTTON_2 = L_BTN2
DEFAULT_BUTTON = '2'
DISPLAY_CANCEL_BUTTON = 'X'
IMPORTING
ANSWER = P_ANSWER
EXCEPTIONS
TEXT_NOT_FOUND = 1
OTHERS = 2.
IF SY-SUBRC <> 0.
MESSAGE E000 WITH 'Error executing function module:'(019)
'POPUP_TO_CONFIRM'.
ENDIF.
ENDFORM. "pop_up_confirmation
*& Form set_layout
text
--> p1 text
<-- p2 text
FORM SET_LAYOUT .
IF P_DEL = C_X OR P_UPD = C_X.
*--Allow Input only if user choose 'UPDATE'/ 'DELETE' radio buttons
WA_LAYOUT-BOX_FIELDNAME = 'REC_SEL'.
WA_LAYOUT-BOX_TABNAME = 'IT_MARA'.
ENDIF.
*--Display Header based on the user selection
IF P_DISP = C_X.
WA_LAYOUT-WINDOW_TITLEBAR =
'Display '(036).
ELSEIF P_DEL = C_X.
WA_LAYOUT-WINDOW_TITLEBAR =
'Delete '(037).
ELSEIF P_UPD = C_X.
WA_LAYOUT-WINDOW_TITLEBAR =
'Change '(038).
ENDIF.
ENDFORM. " set_layout
*& Form change_default_pf_status
text
--> p1 text
<-- p2 text
FORM CHANGE_DEFAULT_PF_STATUS .
MOVE C_FC_DELETE TO WA_EXTAB-FCODE. " DELETE button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
MOVE C_FC_MODIFY TO WA_EXTAB-FCODE. " MODIFY button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
ENDFORM. " change_default_pf_status
*& Form f_user_command
Handle user action on ALV toolbar
FORM F_USER_COMMAND_MODIFY USING R_UCOMM LIKE SY-UCOMM "#EC *
RS_SELFIELD TYPE SLIS_SELFIELD.
DATA : L_ANSWER TYPE C. "#EC *
IF R_UCOMM = C_FC_SAVE.
*user selected save button
READ TABLE IT_MODIFY WITH KEY REC_SEL = 'X'.
*check if user selected atleast one line.
IF SY-SUBRC <> 0.
MESSAGE I000 WITH 'No record(s) Selected to Modify'(016).
EXIT.
ENDIF.
LOOP AT IT_MODIFY WHERE REC_SEL = 'X'.
*--Check the entered values are valid or not.
IF NOT ( it_modify-status = 'A' OR
it_modify-status = 'C' OR
it_modify-status = 'E' ).
*--User Entered invalid value for STATUS field,so Display Error Msg
CLEAR R_UCOMM.
MESSAGE e000 WITH 'Invalid value '''(031)
'' for Status in the Record # '(032)
sy-tabix.
ENDIF.
ENDLOOP.
CLEAR: IT_TEMP,
IT_TEMP[].
LOOP AT IT_MODIFY WHERE REC_SEL = 'X'.
MOVE-CORRESPONDING IT_MODIFY TO IT_TEMP.
APPEND IT_TEMP.
CLEAR IT_TEMP.
ENDLOOP.
*--start new code
DATA : IT_TEMP2 LIKE STANDARD TABLE OF MARA WITH HEADER LINE.
SELECT * FROM MARA
INTO TABLE IT_TEMP2
FOR ALL ENTRIES IN IT_TEMP
WHERE MATNR = IT_TEMP-MATNR.
IF SY-SUBRC = 0.
LOOP AT IT_MODIFY WHERE REC_SEL = 'X'.
READ TABLE IT_TEMP2 WITH KEY MATNR = IT_MODIFY-MATNR.
IF SY-SUBRC = 0.
IT_TEMP2-NTGEW = IT_MODIFY-NTGEW.
IT_TEMP2-BRGEW = IT_MODIFY-BRGEW.
MODIFY IT_TEMP2 INDEX SY-TABIX.
ENDIF.
ENDLOOP.
ENDIF.
*modify mara table with the changed values
MODIFY MARA FROM TABLE IT_TEMP2 .
*--end new code
IF SY-SUBRC = 0.
COMMIT WORK AND WAIT.
*--Display message with Success in Updating database
MESSAGE I000 WITH SY-DBCNT
' Record(s) has been Updated'(020).
CLEAR :
IT_MARA,
IT_MARA[].
*get-data again from database.
PERFORM GET_DATA.
RS_SELFIELD-REFRESH = C_X.
ELSE.
*--Error occurred
MESSAGE I000 WITH 'Error occured in Modifying the database'(021).
ENDIF.
ENDIF.
ENDFORM. "f_user_command_modify
*& Form validate_screen
text
--> p1 text
<-- p2 text
FORM VALIDATE_SCREEN .
DATA : LV_MATNR LIKE MARA-MATNR.
*--validate product
IF NOT S_MATNR[] IS INITIAL.
SELECT MATNR
INTO MARA-MATNR
FROM MARA
WHERE MATNR IN S_MATNR.
ENDSELECT.
IF SY-SUBRC <> 0.
*--Error
MESSAGE E000 WITH 'Invalid Material'(034).
ENDIF.
ENDIF.
ENDFORM. " validate_screen
*& Form delete_records
text
--> p1 text
<-- p2 text
FORM DELETE_RECORDS .
LOOP AT IT_MARA.
MOVE-CORRESPONDING IT_MARA TO IT_TEMP.
APPEND IT_TEMP.
CLEAR IT_TEMP.
ENDLOOP.
DELETE MARA FROM TABLE IT_TEMP.
IF SY-SUBRC = 0.
*--Successfully selected records Deleted.
COMMIT WORK AND WAIT.
*--Display Success Message to the user
MESSAGE I000 WITH SY-DBCNT
' Record(s) deleted Successfully'(010).
ELSE.
*--Error occured in deletion
MESSAGE I000 WITH 'Error occured in Deleting the Record(s)'(011).
ENDIF.
CLEAR: IT_MARA,
IT_MARA[],
IT_TEMP,
IT_TEMP[].
V_FLAG = C_X.
STOP.
ENDFORM. " delete_records
*& Form delete_selected_records
text
--> p1 text
<-- p2 text
FORM DELETE_SELECTED_RECORDS .
DATA : L_ANSWER(1) TYPE C.
READ TABLE IT_MARA WITH KEY REC_SEL = C_X.
IF SY-SUBRC <> 0.
MESSAGE I000 WITH 'No record(s) Selected to Delete'(013).
EXIT.
ELSE.
*--Ask for delete confirmation
PERFORM POP_UP_CONFIRMATION
CHANGING L_ANSWER.
IF L_ANSWER = '1'. " 'Yes'
CLEAR: IT_TEMP,
IT_TEMP[].
LOOP AT IT_MARA WHERE REC_SEL = 'X'.
MOVE-CORRESPONDING IT_MARA TO IT_TEMP.
APPEND IT_TEMP.
CLEAR IT_TEMP.
ENDLOOP.
DELETE MARA FROM TABLE IT_TEMP.
IF SY-SUBRC = 0.
*--Successfully selected records Deleted.
COMMIT WORK AND WAIT.
*--Display completed work information to the user
MESSAGE I000 WITH SY-DBCNT
' Record(s) deleted Successfully'(014).
*--Clear the Internal tables
CLEAR: IT_MARA,
IT_MARA[].
*--Reselects entries from Database again & display in ALV
PERFORM GET_DATA.
ELSE.
*--Error occured
MESSAGE I000 WITH
'Error occured in Deleting the Record(s)'(015).
ENDIF.
ENDIF.
ENDIF.
ENDFORM. " delete_selected_records
*& Form change_records
text
--> p1 text
<-- p2 text
FORM CHANGE_RECORDS .
READ TABLE IT_MARA WITH KEY REC_SEL = 'X'.
*--check user selected at least 1 record to MODIFY or not
IF SY-SUBRC <> 0.
MESSAGE I000 WITH 'No record(s) Selected to Modify'(016).
EXIT.
ELSE.
CLEAR : IT_MODIFY,
IT_MODIFY[].
LOOP AT IT_MARA WHERE REC_SEL = 'X'.
IT_MODIFY = IT_MARA.
APPEND IT_MODIFY.
CLEAR IT_MODIFY.
ENDLOOP.
*--Change PF status for this new ALV list.
PERFORM CHANGE_PF_STATUS_AGAIN.
*--Change Field Catalog to make INPUT enabled.
READ TABLE IT_FIELDCAT WITH KEY FIELDNAME = 'NTGEW'.
IT_FIELDCAT-INPUT = C_X.
MODIFY IT_FIELDCAT INDEX SY-TABIX.
*--Call ALV LIST DISPLAY with this new values.
PERFORM LIST_DISPLAY TABLES IT_MODIFY
USING C_USER_COMMAND_MODIFY.
ENDIF.
ENDFORM. " change_records
*& Form change_pf_status_again
text
--> p1 text
<-- p2 text
FORM CHANGE_PF_STATUS_AGAIN .
MOVE C_FC_DELETE TO WA_EXTAB-FCODE. " DELETE button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
MOVE C_FC_MODIFY TO WA_EXTAB-FCODE. " MODIFY button on ALV
APPEND WA_EXTAB TO IT_EXTAB.
ENDFORM. " change_pf_status_again