* Quelle: https://blogs.sap.com/2022/08/01/editable-cl_salv_table-after-release-756/
* ab SAP Release 756
* Achtung: das Ganze funktioniert nur für kleine Tabellen mit max. 5000 Zellen, siehe:
*
* Methode: CL_SALV_GUI_OM_ADAPTER_TABLE->CAN_RUN_RESTRICTED_EDIT_MODE( )
* Konstante: CV_MAX_CELLS_FOR_EDITABLE (Wert: 5000).
* ab SAP Release 758
* Methode: CL_SALV_GUI_OM_EDITABLE_HNDLR->REQUEST_DATA_SET_OF_SIZE( )
* Variable: MAX_CELLS_FOR_EDITABLE = 10000 (medium, auch standardmäßig im Constructor gesetzt) oder 100000 (large)
* Eventhandler
CLASS lcl_salv DEFINITION.
PUBLIC SECTION.
* Bezeichner der Buttons
CONSTANTS: co_btn_edit TYPE string VALUE 'BTN_EDIT'.
CONSTANTS: co_btn_save TYPE string VALUE 'BTN_SAVE'.
* Platzhalter für Referenz auf SALV-Grid
CLASS-DATA: o_salv TYPE REF TO cl_salv_table.
CLASS-DATA: it_equi TYPE STANDARD TABLE OF equi WITH DEFAULT KEY.
* Eventhandler-Methode für Button-Klicks in der Toolbar des SALV-Grids
CLASS-METHODS: on_toolbar_click FOR EVENT added_function OF cl_salv_events_table
IMPORTING
e_salv_function
sender.
PRIVATE SECTION.
* Edit-Status des SALV-Grids
CLASS-DATA: gv_edit TYPE abap_bool VALUE abap_false.
ENDCLASS.
CLASS lcl_salv IMPLEMENTATION.
METHOD on_toolbar_click.
TRY.
IF o_salv IS BOUND.
* extended Grid API holen
DATA(o_api) = o_salv->extended_grid_api( ).
DATA(o_edit) = o_api->editable_restricted( ).
CASE e_salv_function.
WHEN co_btn_edit.
* Edit-Modus umschalten
IF gv_edit = abap_false.
gv_edit = abap_true.
ELSE.
gv_edit = abap_false.
ENDIF.
* alle Spalte(n) (nicht) editierbar setzen
* DATA(o_typedescr) = cl_abap_tabledescr=>describe_by_data( p_data = it_equi ).
* DATA(o_tabledescr) = CAST cl_abap_tabledescr( o_typedescr ).
* DATA(o_structdescr) = CAST cl_abap_structdescr( o_tabledescr->get_table_line_type( ) ).
* LOOP AT o_structdescr->get_components( ) ASSIGNING FIELD-SYMBOL(<c>).
* o_edit->set_attributes_for_columnname( EXPORTING columnname = CONV #( <c>-name )
* all_cells_input_enabled = gv_edit ).
* ENDLOOP.
* einzelne Spalte(n) (nicht) editierbar setzen
o_edit->set_attributes_for_columnname( EXPORTING columnname = 'ERNAM'
all_cells_input_enabled = gv_edit ).
o_edit->set_attributes_for_columnname( EXPORTING columnname = 'EQTYP'
all_cells_input_enabled = gv_edit ).
o_edit->validate_changed_data( ).
o_salv->refresh( ).
WHEN co_btn_save.
* Daten auf Validität prüfen
DATA(lv_data_is_valid) = abap_false.
* Verification of Changes and Triggering of Event DATA_CHANGED
o_edit->validate_changed_data( IMPORTING is_input_data_valid = lv_data_is_valid ).
o_salv->refresh( ).
IF lv_data_is_valid = abap_true.
* Daten hier speichern / weiterverarbeiten
MESSAGE co_btn_save TYPE 'I'.
ENDIF.
ENDCASE.
ENDIF.
CATCH cx_root INTO DATA(e_txt).
MESSAGE e_txt->get_text( ) TYPE 'I'.
ENDTRY.
ENDMETHOD.
ENDCLASS.
START-OF-SELECTION.
TRY.
* Beispieldaten (Equipment) holen
SELECT FROM equi
FIELDS *
INTO TABLE @lcl_salv=>it_equi
UP TO 100 ROWS.
IF sy-subrc = 0.
cl_salv_table=>factory( EXPORTING r_container = cl_gui_container=>default_screen
IMPORTING r_salv_table = lcl_salv=>o_salv
CHANGING t_table = lcl_salv=>it_equi ).
* Standardbuttons der SALV-Table einblenden
lcl_salv=>o_salv->get_functions( )->set_all( abap_true ).
* SALV-Table vorbereiten auf großen, editierbaren Datensatz
DATA(o_api) = lcl_salv=>o_salv->extended_grid_api( ).
DATA(o_edit) = o_api->editable_restricted( ).
* medium = 10000 Zellen (Standard), large = 100000 Zellen
o_edit->request_data_set_of_size( size = if_salv_gui_om_edit_restricted=>large ).
* Toolbar-Buttons für Edit-Mode aktivieren, Standardbuttons müssen eingeblendet sein (get_functions( )->set_all( abap_true ))
o_edit->activate_toolbar_edit_buttons( EXPORTING local_edit_group = abap_true ).
* Eigenen SALV-Button hinzufügen
* das Hinzufügen des Buttons funktioniert nur, wenn die SALV-Table innerhalb eines Containers (z.B. cl_gui_container=>default_screen) eingebettet ist
lcl_salv=>o_salv->get_functions( )->add_function( name = |{ lcl_salv=>co_btn_edit }|
icon = |{ icon_edit_file }|
text = 'Edit'
tooltip = 'Daten editieren'
position = if_salv_c_function_position=>right_of_salv_functions ).
lcl_salv=>o_salv->get_functions( )->add_function( name = |{ lcl_salv=>co_btn_save }|
icon = |{ icon_save_as_template }|
text = 'Save'
tooltip = 'Daten speichern'
position = if_salv_c_function_position=>right_of_salv_functions ).
* Eventhandler für Klicks in die Toolbar des SALV-Grids setzen
SET HANDLER lcl_salv=>on_toolbar_click FOR lcl_salv=>o_salv->get_event( ).
* SALV anzeigen
lcl_salv=>o_salv->display( ).
* Toolbar der Listausgabe unterdrücken
cl_abap_list_layout=>suppress_toolbar( ).
* Listausgabe erzwingen für Erzeugung von cl_gui_container=>default_screen
WRITE: space.
ENDIF.
CATCH cx_root INTO DATA(e_txt).
WRITE: / e_txt->get_text( ).
ENDTRY.