[英]How to display itab in ALV with dynamic layout variant?
I am using the class CL_GUI_ALV_GRID
and a dynpro screen to display an internal table via the ALV tool.我正在使用类CL_GUI_ALV_GRID
和一个 dynpro 屏幕通过 ALV 工具显示内部表。
In my selection screen I have a dropdown list where the user can choose a layout variant for the displayed internal table.在我的选择屏幕中,我有一个下拉列表,用户可以在其中为显示的内部表选择布局变体。 The layout variants are stored in the table LTDX
.布局变体存储在表LTDX
。
Now, back to my question, how can I display the variants depending on the selection of the user?现在,回到我的问题,如何根据用户的选择显示变体?
You supply in the initial set_table_for_first_display
method the is_variant
parameter:您在初始set_table_for_first_display
方法中提供is_variant
参数:
DATA: ls_variant TYPE disvariant.
CLEAR: ls_variant.
ls_variant-report = sy-repid.
ls_variant-variant = pa_varid. "<<< this is the name of the variant
CALL METHOD gro_alv100->set_table_for_first_display
EXPORTING
is_variant = ls_variant
...
EDIT: okay you did not accept the simple answer, so I will add the manual alternative:编辑:好的,您没有接受简单的答案,因此我将添加手动替代方案:
FORM set_variant USING ps_variant TYPE disvariant.
DATA: lf_user_specific TYPE char1,
ls_stable TYPE lvc_s_stbl VALUE 'XX'.
CHECK ps_variant-variant IS NOT INITIAL.
lf_user_specific = boolc( ps_variant-variant(1) <> '/' ).
CALL FUNCTION 'LVC_VARIANT_SELECT'
EXPORTING
i_dialog = space
i_user_specific = lf_user_specific
i_default = space
it_default_fieldcat = gt_fcat
IMPORTING
et_fieldcat = gt_fcat
et_sort = gt_sort
et_filter = gt_filter
TABLES
it_data = gt_outtab
CHANGING
cs_variant = ps_variant
EXCEPTIONS
wrong_input = 1
fc_not_complete = 2
not_found = 3
program_error = 4
data_missing = 5
OTHERS = 6.
IF sy-subrc <> 0.
ENDIF.
gro_alv100->set_variant( EXPORTING is_variant = ps_variant ).
gro_alv100->set_frontend_fieldcatalog( EXPORTING it_fieldcatalog = gt_fcat ).
gro_alv100->set_sort_criteria( EXPORTING it_sort = gt_sort ).
gro_alv100->set_filter_criteria( EXPORTING it_filter = gt_filter ).
gro_alv100->refresh_table_display( EXPORTING is_stable = ls_stable i_soft_refresh = abap_false ).
ENDFORM.
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