Manage layouts in ALV grid does not work in splitter container
I try to use an ALV grid inside a splitter container.
Currently I am facing a bug when trying to manage variants. The "manage variants" screen is empty.
I think this issue occurs because the ALV parent container is not the cl_gui_container=>default_screen, but the splitter screen instead.
Here is an example to reproduce this issue.
REPORT ztest.
* Referenzen auf GUI-Objekte
* Splitter
DATA: o_splitter_main TYPE REF TO cl_gui_splitter_container.
* Splitter-Container oben
DATA: o_container_o TYPE REF TO cl_gui_container.
* Splitter-Container unten
DATA: o_container_u TYPE REF TO cl_gui_container.
* Splitter auf default_screen erzeugen
*https://www.abapforum.com/forum/viewtopic.php?t=25748
o_splitter_main = NEW #( parent = cl_gui_container=>default_screen
no_autodef_progid_dynnr = abap_true
rows = 2
columns = 1 ).
* Höhe oberer Splitter in %
o_splitter_main->set_row_height( id = 1 height = 50 ).
o_container_o = o_splitter_main->get_container( row = 1 column = 1 ). " MAIN VIEW
o_container_u = o_splitter_main->get_container( row = 2 column = 1 ). " DETAIL VIEW
START-OF-SELECTION.
* Daten holen
SELECT *
INTO TABLE @DATA(it_spfli)
FROM spfli.
* ALV-Gitter-Objekt erzeugen
DATA(o_alv) = NEW cl_gui_alv_grid( i_parent = o_container_o " in default container einbetten
i_appl_events = abap_true ). " Ereignisse als Applikationsevents registrieren
* Feldkatalog automatisch durch SALV-Objekte erstellen lassen
DATA: o_salv TYPE REF TO cl_salv_table.
cl_salv_table=>factory( IMPORTING
r_salv_table = o_salv
CHANGING
t_table = it_spfli ).
DATA(it_fcat) = cl_salv_controller_metadata=>get_lvc_fieldcatalog( r_columns = o_salv->get_columns( )
r_aggregations = o_salv->get_aggregations( ) ).
DATA(lv_layout) = VALUE lvc_s_layo(
zebra = abap_true
cwidth_opt = 'A'
grid_title = 'Testapp'
).
DATA ls_variant_det TYPE disvariant.
ls_variant_det-report = sy-repid.
ls_variant_det-username = sy-uname.
.
* ALV anzeigen
o_alv->set_table_for_first_display( EXPORTING
i_bypassing_buffer = abap_false " Puffer ausschalten
i_save = 'A' " Anzeigevariante sichern
is_layout = lv_layout " Layout
is_variant = ls_variant_det
CHANGING
it_fieldcatalog = it_fcat " Feldkatalog
it_outtab = it_spfli ). " Ausgabetabelle
* Focus auf ALV setzen
cl_gui_alv_grid=>set_focus( control = o_alv ).
*
** leere SAP-Toolbar ausblenden
cl_abap_list_layout=>suppress_toolbar( ).
*
** erzwingen von cl_gui_container=>default_screen
WRITE: space.
Choose Layout, Change Layout and Save Layout are working.
Solution
I'm not going to recommand using this "fix". Put it on a dynpro and don't use the no_autodef_progid_dynnr in the cl_gui_splitter_container. It's really prone to error, when you try abusing the default screen with standard screens.
Here is what you can do. Put everything in the initialization event (or any event before the selection screen) add a dummy parameter to force the selection screen and remove the no_autodef_progid_dynnr from the constructor. The default screen set in there is the standard selection screen 1000. So it will overlay the splitter on the selection screen. The variant management then uses a different screen and you'll see it. Here is the "fixed" example:
report ztest.
* Referenzen auf GUI-Objekte
* Splitter
data: o_splitter_main type ref to cl_gui_splitter_container.
* Splitter-Container oben
data: o_container_o type ref to cl_gui_container.
* Splitter-Container unten
data: o_container_u type ref to cl_gui_container.
parameters: dummy.
initialization.
* Splitter auf default_screen erzeugen
*https://www.abapforum.com/forum/viewtopic.php?t=25748
o_splitter_main = new #(
parent = cl_gui_container=>default_screen
* no_autodef_progid_dynnr = abap_true
rows = 2
columns = 1 ).
* Höhe oberer Splitter in %
o_splitter_main->set_row_height( id = 1 height = 50 ).
o_container_o = o_splitter_main->get_container( row = 1 column = 1 ).
o_container_u = o_splitter_main->get_container( row = 2 column = 1 ).
* Daten holen
select *
into table @data(it_spfli)
from spfli.
* ALV-Gitter-Objekt erzeugen
data(o_alv) = new cl_gui_alv_grid( i_parent = o_container_o " in default container einbetten
i_appl_events = abap_true ). " Ereignisse als Applikationsevents registrieren
* Feldkatalog automatisch durch SALV-Objekte erstellen lassen
data: o_salv type ref to cl_salv_table.
cl_salv_table=>factory( importing
r_salv_table = o_salv
changing
t_table = it_spfli ).
data(it_fcat) = cl_salv_controller_metadata=>get_lvc_fieldcatalog( r_columns = o_salv->get_columns( )
r_aggregations = o_salv->get_aggregations( ) ).
data(lv_layout) = value lvc_s_layo(
zebra = abap_true
cwidth_opt = 'A'
grid_title = 'Testapp'
).
data ls_variant_det type disvariant.
ls_variant_det-report = sy-repid.
ls_variant_det-username = sy-uname.
.
* ALV anzeigen
o_alv->set_table_for_first_display( exporting
i_bypassing_buffer = abap_false " Puffer ausschalten
i_save = 'A' " Anzeigevariante sichern
is_layout = lv_layout " Layout
is_variant = ls_variant_det
changing
it_fieldcatalog = it_fcat " Feldkatalog
it_outtab = it_spfli ). " Ausgabetabelle
* Focus auf ALV setzen
cl_gui_alv_grid=>set_focus( control = o_alv ).
*
** leere SAP-Toolbar ausblenden
cl_abap_list_layout=>suppress_toolbar( ).
*
** erzwingen von cl_gui_container=>default_screen
* write: space.
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