REUSE_ALV_LIST_DISPLAY- 16

Use of ALV Field Catalog & hiding fields on ALV using field catalog property and creating check box

The previous post REUSE_ALV_LIST_DISPLAY- 15 shows how to build and make use of field catalog in ALV . This post shows how to create check box along with field catalog.

Code Snippet:

———-data declarations——–
TYPE-POOLS: slis.
TYPES: BEGIN OF ty_flight,
box. ” add a field to create check box
INCLUDE STRUCTURE spfli.
TYPES: END OF ty_flight.
DATA: lt_spfli TYPE TABLE OF ty_flight.
DATA: ls_spfli TYPE ty_flight.
DATA: ls_layout TYPE slis_layout_alv.
DATA: lt_fieldcat TYPE slis_t_fieldcat_alv.
———————————–

START-OF-SELECTION.
PERFORM build_data.
PERFORM build_fieldcatalog.
PERFORM build_layout.
PERFORM display_list_alv.

&————————————————-
& Form BUILD_DATA
&————————————————-*
FORM build_data.
SELECT * FROM spfli INTO CORRESPONDING FIELDS OF TABLE lt_spfli.
ENDFORM. ” BUILD_DATA

&———————————————————————
& Form BUILD_FIELDCATALOG
&———————————————————————
FORM build_fieldcatalog.
DATA: ls_fieldcat TYPE LINE OF slis_t_fieldcat_alv.
CALL FUNCTION ‘REUSE_ALV_FIELDCATALOG_MERGE’
EXPORTING
i_program_name = sy-cprog
I_INTERNAL_TABNAME =
i_structure_name = ‘SPFLI’
* I_CLIENT_NEVER_DISPLAY = ‘X’
* I_INCLNAME =
* I_BYPASSING_BUFFER =
* I_BUFFER_ACTIVE =
CHANGING
ct_fieldcat = lt_fieldcat
EXCEPTIONS
inconsistent_interface = 1
program_error = 2
OTHERS = 3.

LOOP AT lt_fieldcat INTO ls_fieldcat.
IF ls_fieldcat-fieldname = ‘FLTYPE’ OR ls_fieldcat-fieldname = ‘PERIOD’ .
ls_fieldcat-no_out = ‘X’.
MODIFY lt_fieldcat FROM ls_fieldcat TRANSPORTING no_out.
ENDIF.
ENDLOOP.

ENDFORM. ” BUILD_FIELDCATALOG

&————————————————–
& Form BUILD_LAYOUT
&————————————————–
FORM build_layout.
ls_layout-zebra = ‘X’.
ls_layout-box_fieldname = ‘BOX’. ” provide the field name which will act as check box
ls_layout-detail_popup = ‘X’.
ls_layout-detail_titlebar = ‘Detailed Flight Info’.
ls_layout-f2code = ‘&ETA’.
ls_layout-window_titlebar = ‘Flight Info’.
ENDFORM. ” BUILD_LAYOUT
&—————————————————
& Form DISPLAY_LIST_ALV
&—————————————————-
FORM display_list_alv.
CALL FUNCTION ‘REUSE_ALV_LIST_DISPLAY’
EXPORTING
i_callback_program = sy-cprog
” i_structure_name = ‘SPFLI’
is_layout = ls_layout
it_fieldcat = lt_fieldcat
TABLES
t_outtab = lt_spfli
EXCEPTIONS
program_error = 1
OTHERS = 2.
CASE sy-subrc.
WHEN 1.
MESSAGE ‘Program Error’ TYPE ‘I’.
WHEN OTHERS.
ENDCASE.
ENDFORM. ” DISPLAY_LIST_ALV