REPORT z_barry_class_alv_f4_listbox.
TYPE-POOLS: rsds.
DATA: BEGIN OF itab OCCURS 0 ,
mblnr LIKE mseg-mblnr ,
kostl LIKE mseg-kostl ,
bwart LIKE mseg-bwart ,
handle_drdn ,
END OF itab .
DATA: ok_code LIKE sy-ucomm .
DATA: l_valid(1) TYPE c.
DATA: go_grid TYPE REF TO cl_gui_alv_grid,
go_custom_container TYPE REF TO cl_gui_custom_container.
DATA: gt_fieldcat TYPE lvc_t_fcat,
gs_fieldcat TYPE lvc_s_fcat,
gs_variant TYPE disvariant ,
gt_sort TYPE lvc_t_sort,
gs_sort TYPE lvc_s_sort,
gt_filt TYPE lvc_t_filt,
gs_filt TYPE lvc_s_filt,
ls_cell TYPE lvc_s_styl,
sla TYPE lvc_s_layo,
gt_f4 TYPE lvc_t_f4,
gs_f4 TYPE lvc_s_f4.
*---------------------------------------------------------------------*
* CLASS lcl_event_receiver DEFINITION
*---------------------------------------------------------------------*
CLASS lcl_event_receiver DEFINITION.
PUBLIC SECTION.
METHODS handle_f4
FOR EVENT onf4 OF cl_gui_alv_grid
IMPORTING e_fieldname
es_row_no
er_event_data
et_bad_cells.
ENDCLASS. "lcl_event_receiver DEFINITION
*---------------------------------------------------------------------*
* CLASS lcl_event_receiver IMPLEMENTATION
*---------------------------------------------------------------------*
CLASS lcl_event_receiver IMPLEMENTATION.
METHOD handle_f4.
PERFORM f4 USING e_fieldname
es_row_no
er_event_data
et_bad_cells.
ENDMETHOD. "handle_f4
ENDCLASS. "lcl_event_receiver IMPLEMENTATION
DATA: event_receiver TYPE REF TO lcl_event_receiver.
INITIALIZATION.
* gd_repid = sy-repid.
PERFORM fieldcat_init USING gt_fieldcat[].
START-OF-SELECTION.
CALL SCREEN '100'.
*&---------------------------------------------------------------------*
*& Module USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
MODULE user_command_0100 INPUT.
CASE ok_code.
WHEN 'EXIT'.
LEAVE PROGRAM.
WHEN 'CHANGE'.
PERFORM change.
ENDCASE.
CLEAR ok_code .
ENDMODULE. " USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
*& Form load_data_into_grid
*&---------------------------------------------------------------------*
FORM load_data_into_grid.
SELECT * FROM mseg INTO CORRESPONDING FIELDS OF TABLE itab
UP TO 10 ROWS .
LOOP AT itab.
itab-handle_drdn = 4.
MODIFY itab.
ENDLOOP.
sla-cwidth_opt = 'X'.
sla-zebra = 'X'.
PERFORM set_grid_drdn CHANGING gt_fieldcat.
CALL METHOD go_grid->set_table_for_first_display
EXPORTING
is_variant = gs_variant
i_save = 'A'
is_layout = sla
CHANGING
it_outtab = itab[]
it_fieldcatalog = gt_fieldcat[]
EXCEPTIONS
invalid_parameter_combination = 1
program_error = 2
too_many_lines = 3
OTHERS = 4.
CALL METHOD go_grid->set_ready_for_input "处于编辑状态
EXPORTING
i_ready_for_input = 1.
CALL METHOD cl_gui_control=>set_focus "设置焦点在go_grid 上
EXPORTING
control = go_grid .
ENDFORM. " load_data_into_grid
*&--------------------------------------------------------------------*
*& Form fieldcat_init
*&--------------------------------------------------------------------*
FORM fieldcat_init USING rt_fieldcat TYPE lvc_t_fcat.
DATA: ls_fieldcat TYPE lvc_s_fcat.
PERFORM frm_catlg_set USING:
'MBLNR' 'X' '凭证' '' 'MBLNR' 'MSEG' rt_fieldcat,
'KOSTL' '' '成本中心' 'X' '' '' rt_fieldcat,
'BWART' '' '移动类型' 'X' '' '' rt_fieldcat.
gs_f4-fieldname = 'KOSTL'.
gs_f4-register = 'X'.
gs_f4-getbefore = 'X'.
gs_f4-chngeafter = 'X'.
INSERT gs_f4 INTO TABLE gt_f4.
ENDFORM. "fieldcat_init
*---------------------------------------------------------------------*
* FORM frm_catlg_set *
*---------------------------------------------------------------------*
FORM frm_catlg_set USING p_field p_key p_text p_edit ref_f ref_t
rt_fieldcat TYPE lvc_t_fcat .
DATA: tmp_fieldcat TYPE lvc_s_fcat.
tmp_fieldcat-fieldname = p_field.
tmp_fieldcat-key = p_key .
tmp_fieldcat-scrtext_l = p_text.
tmp_fieldcat-edit = p_edit.
tmp_fieldcat-f4availabl = 'X'.
tmp_fieldcat-ref_field = ref_f.
tmp_fieldcat-ref_table = ref_t.
APPEND tmp_fieldcat TO rt_fieldcat .
CLEAR tmp_fieldcat .
ENDFORM. " FRM_CATLG_SET
*&---------------------------------------------------------------------*
*& Form change
*&---------------------------------------------------------------------*
FORM change .
IF go_grid->is_ready_for_input( ) = 0.
CALL METHOD go_grid->set_ready_for_input
EXPORTING
i_ready_for_input = 1.
ELSE.
CALL METHOD go_grid->check_changed_data "把修改的内容更改到内表里
IMPORTING
e_valid = l_valid.
CALL METHOD go_grid->set_ready_for_input
EXPORTING
i_ready_for_input = 0.
CALL METHOD go_grid->refresh_table_display.
ENDIF.
ENDFORM. " change
*&--------------------------------------------------------------------*
*& Form f4
*&--------------------------------------------------------------------*
FORM f4 USING r_fieldname TYPE lvc_fname
rs_row_no TYPE lvc_s_roid
rr_event_data TYPE REF TO cl_alv_event_data
rt_bad_cells TYPE lvc_t_modi.
FIELD-SYMBOLS: TYPE lvc_t_modi.
DATA: ls_f4 TYPE lvc_s_modi ,
t_index LIKE sy-tabix .
DATA: BEGIN OF return_tab OCCURS 0 .
INCLUDE STRUCTURE ddshretval .
DATA: END OF return_tab .
DATA: BEGIN OF it_csks OCCURS 0 ,
kokrs LIKE csks-kokrs ,
kostl LIKE csks-kostl ,
datbi LIKE csks-datbi ,
END OF it_csks.
IF go_grid->is_ready_for_input( ) = 0 .
rr_event_data->m_event_handled = 'X'.
EXIT.
ENDIF .
IF r_fieldname = 'KOSTL'.
SELECT kokrs kostl datbi FROM csks INTO TABLE it_csks
UP TO 20 ROWS .
IF it_csks[] IS INITIAL .
* MESSAGE '没有可以选择的项' type 'I'.
EXIT.
ENDIF.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
retfield = 'KOSTL' "起作用的字段
value_org = 'S'
TABLES
value_tab = it_csks[]
return_tab = return_tab
EXCEPTIONS
parameter_error = 1
no_values_found = 2
OTHERS = 3.
ASSIGN rr_event_data->m_data->* TO .
ls_f4-fieldname = r_fieldname.
ls_f4-row_id = rs_row_no-row_id.
IF NOT return_tab IS INITIAL .
ls_f4-value = return_tab-fieldval .
APPEND ls_f4 TO .
ENDIF .
ENDIF.
rr_event_data->m_event_handled = 'X'. " 抑制标准的Search Help
ENDFORM. " F4
*---------------------------------------------------------------------*
* FORM set_grid_drdn *
*---------------------------------------------------------------------*
FORM set_grid_drdn CHANGING ct_fcat TYPE lvc_t_fcat.
FIELD-SYMBOLS: TYPE lvc_s_fcat.
DATA: lt_drdn TYPE lvc_t_drop,
ls_drdn TYPE lvc_s_drop .
DATA: BEGIN OF itab_bwart OCCURS 0 ,
bwart LIKE t156-bwart,
END OF itab_bwart.
DEFINE mac_get_drdn.
ls_drdn-handle = 4.
ls_drdn-value = &1.
append ls_drdn to lt_drdn.
END-OF-DEFINITION.
SELECT bwart INTO TABLE itab_bwart FROM t156.
LOOP AT itab_bwart.
mac_get_drdn itab_bwart-bwart.
ENDLOOP.
CALL METHOD go_grid->set_drop_down_table
EXPORTING
it_drop_down = lt_drdn.
READ TABLE ct_fcat ASSIGNING
WITH KEY fieldname = 'BWART'.
IF sy-subrc EQ 0.
-drdn_field = 'HANDLE_DRDN'.
-f4availabl = ''.
ENDIF.
ENDFORM.
*&---------------------------------------------------------------------*
*& Module STATUS_0100 OUTPUT
*&---------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
SET PF-STATUS 'MAIN100'.
gs_variant-report = sy-repid.
IF go_grid IS INITIAL.
CREATE OBJECT go_grid
EXPORTING
i_parent = cl_gui_container=>screen0.
CREATE OBJECT event_receiver.
SET HANDLER event_receiver->handle_f4 FOR go_grid.
CALL METHOD go_grid->register_f4_for_fields
EXPORTING
it_f4 = gt_f4.
IF sy-batch IS INITIAL.
CALL METHOD go_grid->register_edit_event
EXPORTING
i_event_id = cl_gui_alv_grid=>mc_evt_enter.
ENDIF.
PERFORM load_data_into_grid.
ENDIF.
ENDMODULE. " STATUS_0100 OUTPUT
