ALV Gird下拉实现
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TYPE-POOLS: SLIS.
INCLUDE <list> .
DATA: gt_fieldcat TYPE lvc_t_fcat WITH HEADER LINE,
gs_layout TYPE lvc_s_layo.
DATA:g_grid TYPE REF TO cl_gui_alv_grid.
DATA:gt_drop TYPE lvc_t_drop,
wa_drop TYPE lvc_s_drop,
gt_events TYPE slis_t_event,
wa_events TYPE slis_alv_event.
types: BEGIN OF ty_itab.
INCLUDE STRUCTURE makt.
types: dd_handle TYPE int4.
types: langu type char2.
types: icons type char4.
types: end of ty_itab.
data: gt_itab type STANDARD TABLE OF ty_itab with HEADER LINE.
START-OF-SELECTION.
SELECT * INTO CORRESPONDING FIELDS OF TABLE GT_ITAB FROM MAKT UP TO 20 ROWS.
loop at gt_itab.
gt_itab-icons = icon_object_folder.
if gt_itab-spras = 1.
gt_itab-langu = '中文'.
elseif gt_itab-spras = '2'.
gt_itab-langu = '英文'.
endif.
"如果每行下拉列表对应数据可能不一样
"那么将输出内表中dd_handle字段给与不同的值
"并且在内表gt_drop中添加一条handle= dd_handle的记录,与之对应
gt_itab-dd_handle = 1.
modify gt_itab.
endloop.
gt_itab-dd_handle = 2.
modify gt_itab index 1.
gs_layout-zebra = 'X'.
gt_fieldcat-fieldname = 'MATNR'.
gt_fieldcat-ref_field = 'MATNR'.
gt_fieldcat-ref_table = 'MAKT'.
APPEND gt_fieldcat .
CLEAR gt_fieldcat.
gt_fieldcat-fieldname = 'MAKTX'.
gt_fieldcat-ref_field = 'MAKTX'.
gt_fieldcat-ref_table = 'MAKT'.
APPEND gt_fieldcat .
CLEAR gt_fieldcat.
GT_FIELDCAT-fieldname = 'LANGU'.
GT_FIELDCAT-coltext = 'Language'.
GT_FIELDCAT-tooltip = 'Language'.
GT_FIELDCAT-seltext = 'Language'.
GT_FIELDCAT-drdn_field = 'DD_HANDLE'.
GT_FIELDCAT-EDIT = 'X'.
APPEND gt_fieldcat .
CLEAR gt_fieldcat.
GT_FIELDCAT-scrtext_l = 'ICON' .
GT_FIELDCAT-ICON = 'X' . " 图标
GT_FIELDCAT-HOTSPOT = 'X' .
append GT_FIELDCAT.
CLEAR gt_fieldcat.
wa_drop-handle = '1'.
wa_drop-VALUE = '中文'.
APPEND wa_drop TO gt_drop.
wa_drop-handle = '1'.
wa_drop-VALUE = '英文'.
APPEND wa_drop TO gt_drop.
wa_drop-handle = '2'.
wa_drop-VALUE = '中文'.
APPEND wa_drop TO gt_drop.
wa_drop-handle = '2'.
wa_drop-VALUE = '英文'.
APPEND wa_drop TO gt_drop.
wa_drop-handle = '2'.
wa_drop-VALUE = '德文'.
APPEND wa_drop TO gt_drop.
wa_events-name = 'CALLER_EXIT'.
wa_events-FORM = 'CALLER_EXIT'.
APPEND wa_events TO gt_events.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC'
EXPORTING
i_callback_program = sy-repid
is_layout_lvc = gs_layout
it_fieldcat_lvc = gt_fieldcat[]
it_events = gt_events
i_default = 'X'
i_save = ' '
TABLES
t_outtab = gt_itab[]
EXCEPTIONS
program_error = 1
OTHERS = 2.
*&---------------------------------------------------------------------*
*& Form caller_exit
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->LS_DATA text
*----------------------------------------------------------------------*
FORM caller_exit USING ls_data TYPE slis_data_caller_exit.
DATA: l_ref_alv TYPE REF TO cl_gui_alv_grid.
CALL FUNCTION 'GET_GLOBALS_FROM_SLVC_FULLSCR'
IMPORTING
e_grid = l_ref_alv.
CALL METHOD l_ref_alv->set_drop_down_table
EXPORTING
it_drop_down = gt_drop.
CLEAR:gt_drop,gt_drop[].
ENDFORM. "CALLER_EXIT
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