The ALV layout feature in SAP ABAP is used to personalize the appearance of ALV reports. It offers various functions that can be incorporated to enhance the functionality of the reports. One such function is displaying detailed information in a pop-up screen.
To use this function, the pop-up screen must be defined in the ABAP Dictionary by creating a screen with relevant fields and screen elements. A custom field can then be added to the ALV layout using the 'Edit' function, and set to trigger the pop-up screen when clicked. This custom field can be labeled, such as 'Details', to indicate that it is intended to display additional information.
Once the 'Details' field is clicked, the pop-up screen is displayed with the required detailed information. The data displayed in the pop-up screen depends on the program logic and varies based on the data being presented in the ALV report.
Sample Program for Reference -
REPORT ZAVI_FEVER1.
TYPE-POOLS: SLIS.
TYPES: BEGIN OF ST_MAKT,
MATNR TYPE MATNR,
SPRAS TYPE SPRAS,
MAKTX TYPE MAKTX,
END OF ST_MAKT.
DATA: IT_MAKT TYPE STANDARD TABLE OF ST_MAKT,
WA_MAKT TYPE ST_MAKT.
TYPES: BEGIN OF ST_FINAL,
LIGHT(1),
CHECK(1),
MATNR TYPE MATNR,
SPRAS TYPE SPRAS,
MAKTX TYPE MAKTX,
END OF ST_FINAL.
DATA: IT_FINAL TYPE STANDARD TABLE OF ST_FINAL,
WA_FINAL TYPE ST_FINAL.
DATA: IT_FCAT TYPE SLIS_T_FIELDCAT_ALV,
WA_FCAT TYPE SLIS_FIELDCAT_ALV.
DATA: WA_LAYOUT TYPE SLIS_LAYOUT_ALV.
START-OF-SELECTION.
SELECT MATNR
SPRAS
MAKTX
FROM MAKT INTO TABLE IT_MAKT WHERE SPRAS = SY-LANGU.
IF SY-SUBRC = 0.
SORT IT_MAKT BY MATNR.
ENDIF.
END-OF-SELECTION.
LOOP AT IT_MAKT INTO WA_MAKT.
WA_FINAL-MATNR = WA_MAKT-MATNR.
WA_FINAL-SPRAS = WA_MAKT-SPRAS.
WA_FINAL-MAKTX = WA_MAKT-MAKTX.
APPEND WA_FINAL TO IT_FINAL.
CLEAR: WA_FINAL,WA_MAKT.
ENDLOOP.
WA_FCAT-COL_POS = '1'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'CHECK'.
WA_FCAT-CHECKBOX = 'X'.
WA_FCAT-EDIT = 'X'.
WA_FCAT-SELTEXT_M = 'CHECKBOX'.
WA_FCAT-INPUT = 'X'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
*WA_LAYOUT-LIGHTS_FIELDNAME = 'LIGHT'.
WA_FCAT-COL_POS = '2'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'MATNR'.
WA_FCAT-INPUT = 'X'.
WA_FCAT-SELTEXT_M = 'MATERIAL NUMBER'.
WA_LAYOUT-ZEBRA = 'X'.
*WA_LAYOUT-NO_COLHEAD = 'X'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
WA_LAYOUT-DETAIL_POPUP = 'X'.
WA_FCAT-COL_POS = '3'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'SPRAS'.
WA_FCAT-INPUT = 'X'.
WA_FCAT-SELTEXT_M = 'LANGUAGE'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
WA_FCAT-COL_POS = '4'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'MAKTX'.
WA_FCAT-SELTEXT_M = 'MTERIAL DESCRIPTION'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
EXPORTING
* I_INTERFACE_CHECK = ' '
* I_BYPASSING_BUFFER =
* I_BUFFER_ACTIVE = ' '
I_CALLBACK_PROGRAM = 'SY-REPID'
* I_CALLBACK_PF_STATUS_SET = ' '
* I_CALLBACK_USER_COMMAND = ' '
* I_STRUCTURE_NAME =
IS_LAYOUT = WA_LAYOUT
IT_FIELDCAT = IT_FCAT
* IT_EXCLUDING =
* IT_SPECIAL_GROUPS =
* IT_SORT =
* IT_FILTER =
* IS_SEL_HIDE =
* I_DEFAULT = 'X'
* I_SAVE = ' '
* IS_VARIANT =
* IT_EVENTS =
* IT_EVENT_EXIT =
* IS_PRINT =
* IS_REPREP_ID =
* I_SCREEN_START_COLUMN = 0
* I_SCREEN_START_LINE = 0
* I_SCREEN_END_COLUMN = 0
* I_SCREEN_END_LINE = 0
* IR_SALV_LIST_ADAPTER =
* IT_EXCEPT_QINFO =
* I_SUPPRESS_EMPTY_DATA = ABAP_FALSE
* IMPORTING
* E_EXIT_CAUSED_BY_CALLER =
* ES_EXIT_CAUSED_BY_USER =
TABLES
t_outtab = IT_FINAL
EXCEPTIONS
PROGRAM_ERROR = 1
OTHERS = 2
.
IF sy-subrc <> 0.
* Implement suitable error handling here
ENDIF.
In conclusion, the ALV layout function in SAP ABAP is an effective tool for personalizing and customizing ALV reports. By incorporating a pop-up screen to display detailed information, users can improve the functionality and user experience of their reports, leading to more efficient operations.
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