[ABAP] AVL-Grid als Property-Grid (Parametertabelle) mit Edit-Feldern und Typprüfung

Quelle / Inspiration gefunden auf: www.tricktresor.de

* ALV-Konstanten
INCLUDE <cl_alv_control>.

CLASS lcl_main DEFINITION.
  PUBLIC SECTION.

    TYPES: ty_enum TYPE i.

    TYPES: BEGIN OF ty_param,
             name  TYPE string,
             type  TYPE ty_enum,
             text  TYPE string,
             value TYPE string,
           END OF ty_param.

    TYPES: ty_it_params TYPE STANDARD TABLE OF ty_param WITH NON-UNIQUE DEFAULT KEY.

* Enum
    CLASS-DATA: string TYPE ty_enum VALUE 1 READ-ONLY.
    CLASS-DATA: int TYPE ty_enum VALUE 2 READ-ONLY.
    CLASS-DATA: float TYPE ty_enum VALUE 3 READ-ONLY.
    CLASS-DATA: date TYPE ty_enum VALUE 4 READ-ONLY.

* Bezeichner
    CONSTANTS: co_name TYPE string VALUE 'NAME'.
    CONSTANTS: co_type TYPE string VALUE 'TYPE'.
    CONSTANTS: co_text TYPE string VALUE 'TEXT'.
    CONSTANTS: co_value TYPE string VALUE 'VALUE'.

    METHODS: constructor
      IMPORTING
        o_parent TYPE REF TO cl_gui_container.

    METHODS: init_grid.

    METHODS: add_parameter
      IMPORTING
        parameter TYPE ty_param.

    METHODS: get_params
      RETURNING VALUE(rv_it_parameters) TYPE ty_it_params.

  PROTECTED SECTION.

    DATA: o_grid TYPE REF TO cl_gui_alv_grid.
    DATA: it_params TYPE ty_it_params.

    METHODS: on_data_changed FOR EVENT data_changed OF cl_gui_alv_grid
      IMPORTING
          er_data_changed
          sender.

ENDCLASS.

CLASS lcl_main IMPLEMENTATION.

  METHOD constructor.
    o_grid = NEW #( i_parent = o_parent ).
  ENDMETHOD.

* ALV-Gitter initialisieren
  METHOD init_grid.

    DATA(it_fieldcat) = VALUE lvc_t_fcat( ( fieldname  = co_name
                                            outputlen  = 15
                                            coltext    = 'Parameter'
                                            style      = alv_style_font_bold + alv_style_color_int_group )
                                          ( fieldname  = co_type
                                            outputlen  = 5
                                            coltext    = 'Type'
                                            no_out     = abap_true )
                                          ( fieldname  = co_text
                                            outputlen  = 15
                                            coltext    = 'Text' )
                                          ( fieldname  = co_value
                                            outputlen  = 20
                                            coltext    = 'Value'
                                            edit       = abap_true
                                            fix_column = abap_true ) ).

    DATA(s_layout) = VALUE lvc_s_layo( no_toolbar = abap_true
                                       no_headers = abap_false ).

    SET HANDLER on_data_changed FOR o_grid.

* Tastenevents registrieren
    o_grid->register_edit_event( i_event_id = cl_gui_alv_grid=>mc_evt_enter ).    " Enter
    o_grid->register_edit_event( i_event_id = cl_gui_alv_grid=>mc_evt_modified ). " Eingabe, Cursortasten

* ALV-Grid selektionsbereit setzen
    o_grid->set_ready_for_input( i_ready_for_input = 1 ).

    o_grid->set_table_for_first_display( EXPORTING
                                           is_layout       = s_layout
                                         CHANGING
                                           it_outtab       = it_params
                                           it_fieldcatalog = it_fieldcat ).

  ENDMETHOD.

* Parameterliste zurückholen
  METHOD get_params.
    rv_it_parameters = it_params.
  ENDMETHOD.

* Parameter hinzufügen
  METHOD add_parameter.
    APPEND VALUE #( name  = parameter-name
                    type  = parameter-type
                    text  = parameter-text
                    value = parameter-value ) TO it_params.
  ENDMETHOD.

  METHOD on_data_changed.
* geänderte Zellen durchgehen
    LOOP AT er_data_changed->mt_good_cells ASSIGNING FIELD-SYMBOL(<fs_changed>).
      IF <fs_changed> IS ASSIGNED.
* Zeile x aus der iTab it_params rausholen und daraus die Zelle anhand des Spaltennamens (Feldnamens) holen
        TRY.
            ASSIGN COMPONENT <fs_changed>-fieldname OF STRUCTURE it_params[ <fs_changed>-row_id ] TO FIELD-SYMBOL(<fs_param>).

            IF <fs_param> IS ASSIGNED.
* Änderungswert in die Zelle der iTab (it_params) rückschreiben
              CASE it_params[ <fs_changed>-row_id ]-type.
                WHEN lcl_main=>string.
                  <fs_param> = <fs_changed>-value.
                WHEN lcl_main=>int.
* Typprüfung für Int
                  IF cl_abap_matcher=>create( pattern = '^[-+]?[0-9]*$'
                                              text = <fs_changed>-value
                                              ignore_case = abap_true )->match( ) = abap_true.

                    <fs_param> = <fs_changed>-value.
                  ELSE.
* Eingabefehler im Protokoll anzeigen
                    er_data_changed->add_protocol_entry( i_msgid     = '0K'
                                                         i_msgno     = '000'
                                                         i_msgty     = 'E'
                                                         i_msgv1     = 'Ungültiger Wert:'
                                                         i_msgv2     = <fs_changed>-value
                                                         i_msgv3     = 'Bitte einen Wert vom Typ int eingeben!'
                                                         i_msgv4     = ''
                                                         i_fieldname = <fs_changed>-fieldname
                                                         i_row_id    = <fs_changed>-row_id ).
                  ENDIF.
                WHEN lcl_main=>float.
* Typprüfung für Float
                  IF cl_abap_matcher=>create( pattern = '^[-+]?[0-9]*[,]?[0-9]+([eE][-+]?[0-9]+)?$'
                                              text = <fs_changed>-value
                                              ignore_case = abap_true )->match( ) = abap_true.

                    <fs_param> = <fs_changed>-value.
                  ELSE.
* Eingabefehler im Protokoll anzeigen
                    er_data_changed->add_protocol_entry( i_msgid     = '0K'
                                                         i_msgno     = '000'
                                                         i_msgty     = 'E'
                                                         i_msgv1     = 'Ungültiger Wert:'
                                                         i_msgv2     = <fs_changed>-value
                                                         i_msgv3     = 'Bitte einen Wert vom Typ float eingeben!'
                                                         i_msgv4     = ''
                                                         i_fieldname = <fs_changed>-fieldname
                                                         i_row_id    = <fs_changed>-row_id ).
                  ENDIF.
                WHEN lcl_main=>date.
* Typprüfung für Date
                  IF cl_abap_matcher=>create( pattern = '^(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)\d\d$'
                                              text = <fs_changed>-value
                                              ignore_case = abap_true )->match( ) = abap_true.

                    <fs_param> = <fs_changed>-value.
                  ELSE.
* Eingabefehler im Protokoll anzeigen
                    er_data_changed->add_protocol_entry( i_msgid     = '0K'
                                                         i_msgno     = '000'
                                                         i_msgty     = 'E'
                                                         i_msgv1     = 'Ungültiger Wert:'
                                                         i_msgv2     = <fs_changed>-value
                                                         i_msgv3     = 'Bitte einen Datumswert im Format dd.mm.yyyy eingeben!'
                                                         i_msgv4     = ''
                                                         i_fieldname = <fs_changed>-fieldname
                                                         i_row_id    = <fs_changed>-row_id ).
                  ENDIF.
              ENDCASE.
            ENDIF.
          CATCH cx_root.
        ENDTRY.
      ENDIF.
    ENDLOOP.

  ENDMETHOD.

ENDCLASS.

**********************************************************************
*
* Datentypen, Variablen, Konstanten
*
**********************************************************************
DATA: o_main TYPE REF TO lcl_main.

**********************************************************************
*
* SELECTION-SCREEN
*
**********************************************************************
SELECTION-SCREEN BEGIN OF SCREEN 2000.
SELECTION-SCREEN END OF SCREEN 2000.

**********************************************************************
*
* INITIALIZATION
*
**********************************************************************
INITIALIZATION.

  o_main = NEW #( o_parent = NEW cl_gui_docking_container( side = cl_gui_docking_container=>dock_at_left
                                                           extension = 500
                                                           no_autodef_progid_dynnr = abap_true ) ).

* Beispiel-Parameter einfügen
* String-Parameter
  o_main->add_parameter( VALUE #( name = 'PERSON_VOR'
                                  type = lcl_main=>string
                                  text = 'Vorname'
                                  value = 'Udo' ) ).
* String-Parameter
  o_main->add_parameter( VALUE #( name = 'PERSON_NACH'
                                  type = lcl_main=>string
                                  text = 'Nachname'
                                  value = 'Lehmann' ) ).
* Int-Parameter
  o_main->add_parameter( VALUE #( name = 'PERSON_ALTER'
                                  type = lcl_main=>int
                                  text = 'Alter'
                                  value = '34' ) ).
* Float-Parameter
  o_main->add_parameter( VALUE #( name = 'PERSON_GROESSE'
                                  type = lcl_main=>float
                                  text = 'Größe'
                                  value = '1,80' ) ).
* Date-Parameter
  o_main->add_parameter( VALUE #( name = 'PERSON_DATE'
                                  type = lcl_main=>date
                                  text = 'Geburtsdatum'
                                  value = '01.01.1980' ) ).

**********************************************************************
*
* AT SELECTION-SCREEN OUTPUT
*
**********************************************************************
AT SELECTION-SCREEN OUTPUT.

  IF o_main IS BOUND.
    o_main->init_grid( ).
  ENDIF.

**********************************************************************
*
* AT SELECTION-SCREEN
*
**********************************************************************
AT SELECTION-SCREEN.
* wenn "Ausführen" (F8) geklickt wurde
  IF sy-ucomm = 'CRET'.
    cl_demo_output=>display_data( o_main->get_params( ) ).
  ENDIF.

**********************************************************************
*
* START-OF-SELECTION
*
**********************************************************************
START-OF-SELECTION.
* leeres Selektionbild 2000 anzeigen
  CALL SELECTION-SCREEN 2000.

[ABAP] ALV-Grid als Property-Grid mit Tri-State Klickfeldern/Buttons (ON / OFF / UNDEF)

Quelle / Inspiration gefunden auf: www.tricktresor.de

Die Codeteile mit UNDEF / abap_undefined können auch auskommentiert werden, so dass sich eine Möglichkeit der Dual-State Umschaltung (ON / OFF) per Mausklick ergibt.

* ALV-Konstanten
INCLUDE <cl_alv_control>.

CLASS lcl_main DEFINITION.
  PUBLIC SECTION.

    TYPES: BEGIN OF ty_param,
             name   TYPE string,
             text   TYPE string,
             status TYPE boolean,
           END OF ty_param.

    TYPES: ty_it_params TYPE STANDARD TABLE OF ty_param WITH NON-UNIQUE DEFAULT KEY.

    TYPES: BEGIN OF ty_ui_param,
             name    TYPE string,
             text    TYPE string,
             status  TYPE icon_text,
             t_color TYPE lvc_t_scol,
             t_style TYPE lvc_t_styl,
           END OF ty_ui_param.

    TYPES: ty_it_ui_params TYPE STANDARD TABLE OF ty_ui_param.

    TYPES: ty_cell_type TYPE i.

    CONSTANTS: co_celltype_hotspot TYPE ty_cell_type VALUE 1.
    CONSTANTS: co_celltype_button TYPE ty_cell_type VALUE 2.

* Farben
    CONSTANTS: co_color_on TYPE i VALUE col_positive.
    CONSTANTS: co_color_off TYPE i VALUE col_negative.
    CONSTANTS: co_color_undef TYPE i VALUE col_total.

* Bezeichner
    CONSTANTS: co_status TYPE string VALUE 'STATUS'.
    CONSTANTS: co_on TYPE string VALUE 'ON'.
    CONSTANTS: co_off TYPE string VALUE 'OFF'.
    CONSTANTS: co_undef TYPE string VALUE 'N/A'.

* Icons
    CONSTANTS status_icon_on TYPE icon_text VALUE icon_oo_object.
    CONSTANTS status_icon_off TYPE icon_text VALUE icon_system_start_recording.
    CONSTANTS status_icon_undef TYPE icon_text VALUE icon_oo_class.
*    CONSTANTS status_icon_undef TYPE icon_text VALUE icon_led_yellow.

    METHODS: constructor
      IMPORTING
        o_parent TYPE REF TO cl_gui_container.

    METHODS: init_grid
      IMPORTING
        cell_type TYPE ty_cell_type.

    METHODS: add_parameter
      IMPORTING
        parameter TYPE ty_param.

    METHODS: get_params
      RETURNING VALUE(rv_it_parameters) TYPE ty_it_params.

  PROTECTED SECTION.

    DATA: o_grid TYPE REF TO cl_gui_alv_grid.
    DATA: it_params TYPE ty_it_params.
    DATA: it_ui_params TYPE ty_it_ui_params.

    METHODS: set_color
      IMPORTING
                status       TYPE boolean
      RETURNING VALUE(color) TYPE lvc_t_scol.

    METHODS: on_hotspot_click FOR EVENT hotspot_click OF cl_gui_alv_grid
      IMPORTING
          e_row_id.

    METHODS: on_button_click FOR EVENT button_click OF cl_gui_alv_grid
      IMPORTING
          es_col_id
          es_row_no.

ENDCLASS.

CLASS lcl_main IMPLEMENTATION.

  METHOD constructor.
    o_grid = NEW #( i_parent = o_parent ).
  ENDMETHOD.

  METHOD init_grid.

    CLEAR: it_ui_params.

* Parameter in ALV-Zeilen umwandeln
    LOOP AT it_params ASSIGNING FIELD-SYMBOL(<fs_param>).

      CASE <fs_param>-status.
        WHEN abap_true.
* ON
          APPEND VALUE #( name = <fs_param>-name
                          text = <fs_param>-text
                          status = |{ status_icon_on } { co_on }|
                          t_color = me->set_color( abap_true ) ) TO it_ui_params.
        WHEN abap_false.
* OFF
          APPEND VALUE #( name = <fs_param>-name
                          text = <fs_param>-text
                          status = |{ status_icon_off } { co_off }|
                          t_color = me->set_color( abap_false ) ) TO it_ui_params.
        WHEN abap_undefined.
* UNDEF
          APPEND VALUE #( name = <fs_param>-name
                          text = <fs_param>-text
                          status = |{ status_icon_undef } { co_undef }|
                          t_color = me->set_color( abap_undefined ) ) TO it_ui_params.

      ENDCASE.

    ENDLOOP.

    DATA: it_fieldcat TYPE lvc_t_fcat.

    IF cell_type = co_celltype_button.
      it_fieldcat = VALUE lvc_t_fcat( ( fieldname = 'NAME'
                                        outputlen = 15
                                        coltext = 'Parameter'
                                        style = alv_style_font_bold + alv_style_color_int_group )
                                      ( fieldname = 'TEXT'
                                        outputlen = 20
                                        coltext = 'Description' )
                                      ( fieldname = co_status
                                        outputlen = 10
                                        coltext = 'Switch'
                                        style = alv_style_button
                                        icon = abap_true
                                        fix_column = abap_true ) ).
    ELSE.
      it_fieldcat = VALUE lvc_t_fcat( ( fieldname = 'NAME'
                                        outputlen = 15
                                        coltext = 'Parameter'
                                        style = alv_style_font_bold + alv_style_color_int_group )
                                      ( fieldname = 'TEXT'
                                        outputlen = 20
                                        coltext = 'Description' )
                                      ( fieldname = co_status
                                        outputlen = 10
                                        coltext = 'Switch'
                                        hotspot = abap_true
                                        icon = abap_true
                                        fix_column = abap_true ) ).
    ENDIF.

    DATA(s_layout) = VALUE lvc_s_layo( stylefname = 'T_STYLE'
                                       ctab_fname = 'T_COLOR'
                                       no_toolbar = abap_true
                                       no_headers = abap_false ).

    SET HANDLER on_hotspot_click FOR o_grid.
    SET HANDLER on_button_click FOR o_grid.

    o_grid->set_table_for_first_display( EXPORTING
                                           is_layout = s_layout
                                         CHANGING
                                           it_outtab = it_ui_params
                                           it_fieldcatalog = it_fieldcat ).

  ENDMETHOD.

* Parameterliste zurückholen
  METHOD get_params.
    rv_it_parameters = it_params.
  ENDMETHOD.

* Parameter hinzufügen
  METHOD add_parameter.
    APPEND VALUE #( name   = parameter-name
                    text   = parameter-text
                    status = parameter-status ) TO it_params.
  ENDMETHOD.

* Hintergrundfarben setzen
  METHOD set_color.

    CASE status.
      WHEN abap_true.
* Grün / ON
        color = VALUE #( ( fname = co_status color-col = co_color_on ) ).
      WHEN abap_false.
* Rot / OFF
        color = VALUE #( ( fname = co_status color-col = co_color_off ) ).
      WHEN abap_undefined.
* Gelb / UNDEF
        color = VALUE #( ( fname = co_status color-col = co_color_undef ) ).
    ENDCASE.

  ENDMETHOD.

  METHOD on_hotspot_click.

* geklickte ALV-Zeile holen
    READ TABLE it_ui_params ASSIGNING FIELD-SYMBOL(<ui_param>) INDEX e_row_id-index.
* korrespondierenden Parameter ermitteln
    READ TABLE it_params ASSIGNING FIELD-SYMBOL(<param>) WITH KEY name = <ui_param>-name.

    CASE <param>-status.
      WHEN abap_true.
* ON->OFF
        <ui_param>-status = |{ status_icon_off } { co_off }|.
        <ui_param>-t_color = me->set_color( abap_false ).
        <param->-status = abap_false.
      WHEN abap_false.
* OFF->UNDEF
        <ui_param>-status = |{ status_icon_undef } { co_undef }|.
        <ui_param>-t_color = me->set_color( abap_undefined ).
        <param>-status = abap_undefined.
      WHEN abap_undefined.
* UNDEF->ON
        <ui_param>-status = |{ status_icon_on } { co_on }|.
        <ui_param>-t_color = me->set_color( abap_true ).
        <param>-status = abap_true.
    ENDCASE.

    o_grid->refresh_table_display( is_stable = VALUE lvc_s_stbl( row = abap_true
                                                                 col = abap_true )
                                   i_soft_refresh = abap_false ).
  ENDMETHOD.

  METHOD on_button_click.
* geklickte ALV-Zeile holen
    READ TABLE it_ui_params ASSIGNING FIELD-SYMBOL(<ui_param>) INDEX es_row_no-row_id.
* korrespondierenden Parameter ermitteln
    READ TABLE it_params ASSIGNING FIELD-SYMBOL(<param>) WITH KEY name = <ui_param>-name.

    CASE <param>-status.
      WHEN abap_true.
* ON->OFF
        <ui_param>-status = status_icon_off.
        <ui_param>-t_color = me->set_color( abap_false ).
        <param>-status = abap_false.
      WHEN abap_false.
* OFF->UNDEF
        <ui_param>-status = status_icon_undef.
        <ui_param>-t_color = me->set_color( abap_undefined ).
        <param>-status = abap_undefined.
      WHEN abap_undefined.
* UNDEF->ON
        <ui_param>-status = status_icon_on.
        <ui_param>-t_color = me->set_color( abap_true ).
        <param>-status = abap_true.
    ENDCASE.

    o_grid->refresh_table_display( is_stable = VALUE lvc_s_stbl( row = abap_true
                                                                 col = abap_true )
                                   i_soft_refresh = abap_false ).
  ENDMETHOD.


ENDCLASS.

**********************************************************************
*
* Datentypen, Variablen, Konstanten
*
**********************************************************************
DATA: o_main TYPE REF TO lcl_main.

**********************************************************************
*
* SELECTION-SCREEN
*
**********************************************************************
SELECTION-SCREEN BEGIN OF SCREEN 2000.
SELECTION-SCREEN END OF SCREEN 2000.

**********************************************************************
*
* INITIALIZATION
*
**********************************************************************
INITIALIZATION.

  o_main = NEW #( o_parent = NEW cl_gui_docking_container( side = cl_gui_docking_container=>dock_at_right
                                                           extension = 400
                                                           no_autodef_progid_dynnr = abap_true ) ).

  o_main->add_parameter( VALUE #( name = 'SHOW_RESULT' text = 'Ergebnisse anzeigen' status = abap_true ) ).
  o_main->add_parameter( VALUE #( name = 'HIDE_COLS' text = 'Spalten ausblenden' status = abap_false ) ).
  o_main->add_parameter( VALUE #( name = 'DELETE_ON_EXIT' text = 'Beim Beenden löschen' status = abap_undefined ) ).

**********************************************************************
*
* AT SELECTION-SCREEN OUTPUT
*
**********************************************************************
AT SELECTION-SCREEN OUTPUT.

  IF o_main IS BOUND.
* Flag cell_type triggert den Typ (Hotspot / Button) des Klick-Feldes
    o_main->init_grid( cell_type = lcl_main=>co_celltype_hotspot ).
  ENDIF.

**********************************************************************
*
* AT SELECTION-SCREEN
*
**********************************************************************
AT SELECTION-SCREEN.
* wenn "Ausführen" (F8) geklickt wurde
  IF sy-ucomm = 'CRET'.
    cl_demo_output=>display_data( o_main->get_params( ) ).
  ENDIF.

**********************************************************************
*
* START-OF-SELECTION
*
**********************************************************************
START-OF-SELECTION.
* leeres Selektionbild 2000 anzeigen
  CALL SELECTION-SCREEN 2000.

[ABAP] ALV-Grid: Toolbar-Buttons entfernen

Variante 1 (Event on_toolbar)

* Die Button-Bezeichner sind Konstanten der Klasse cl_gui_alv_grid
METHOD on_toolbar.
* alle Toolbar-Buttons entfernen, außer
  DELETE e_object->mt_toolbar WHERE
        function NE cl_gui_alv_grid=>mc_fc_refresh          " Refresh
    AND function NE cl_gui_alv_grid=>mc_fc_loc_append_row   " Append
    AND function NE cl_gui_alv_grid=>mc_fc_loc_insert_row   " Insert
    AND function NE cl_gui_alv_grid=>mc_fc_loc_delete_row   " Delete
    AND function NE cl_gui_alv_grid=>mc_mb_export           " Excel
    AND function NE cl_gui_alv_grid=>mc_fc_current_variant. " Layout
ENDMETHOD.

Variante 2 (it_toolbar_excluding)

DATA: o_alv TYPE REF TO cl_gui_alv_grid.
DATA: it_tab TYPE STANDARD TABLE OF ...
DATA: it_fcat TYPE lvc_t_fcat.

...

* Liste mit auszuschließenden Toolbuttons erstellen
DATA(it_excl_toolbuttons) = VALUE ui_functions( ( cl_gui_alv_grid=>mc_fc_maximum )
                                                ( cl_gui_alv_grid=>mc_fc_minimum ) ).

* Layout anpassen
DATA(lv_layout) = VALUE lvc_s_layo( grid_title = 'ALV-Grid'
                                    zebra      = abap_true ).
                                    
* ALV-Grid anzeigen
o_alv->set_table_for_first_display( EXPORTING
                                      it_toolbar_excluding = it_excl_toolbuttons
                                      is_layout            = lv_layout
                                    CHANGING
                                      it_fieldcatalog      = it_fcat
                                      it_outtab            = it_tab ).

[ABAP] ALV-Grid ohne Dynpro – Daten anzeigen, editieren und als CSV-Datei speichern

DATA: it_mara TYPE STANDARD TABLE OF mara.

CLASS lcl_events DEFINITION.

  PUBLIC SECTION.
    CLASS-METHODS:
      handle_toolbar FOR EVENT toolbar OF cl_gui_alv_grid
        IMPORTING e_object e_interactive.

    CLASS-METHODS:
      handle_data_changed FOR EVENT data_changed OF cl_gui_alv_grid
        IMPORTING er_data_changed sender.

    CLASS-METHODS:
      handle_user_command FOR EVENT user_command OF cl_gui_alv_grid
        IMPORTING e_ucomm
                  sender.  " Sender ist implizit immer vorhanden
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
* Toolbar-Buttons hinzufügen
  METHOD handle_toolbar.
* Separator hinzufügen
    APPEND VALUE #( butn_type = 3 ) TO e_object->mt_toolbar.
* Edit-Button hinzufügen
    APPEND VALUE #( butn_type = 5 text = 'Edit' icon = icon_change_text function = 'EDIT_DATA' quickinfo = 'Editieren' disabled = ' ' ) TO e_object->mt_toolbar.
* Speichern-Button hinzufügen
    APPEND VALUE #( butn_type = 5 text = 'Speichern' icon = icon_system_save function = 'SAVE_DATA' quickinfo = 'Speichern' disabled = ' ' ) TO e_object->mt_toolbar.
  ENDMETHOD.

  METHOD handle_data_changed.
* geänderte Zellen durchgehen
    LOOP AT er_data_changed->mt_good_cells ASSIGNING FIELD-SYMBOL(<fs_changed>).
      IF <fs_changed> IS ASSIGNED.
* Zeile x aus der iTab it_mara rausholen und daraus die Zelle anhand des Spaltennamens (Feldnamens) holen
        ASSIGN COMPONENT <fs_changed>-fieldname OF STRUCTURE it_mara[ <fs_changed>-row_id ] TO FIELD-SYMBOL(<fs_mara_field>).

        IF <fs_changed> IS ASSIGNED.
* Änderungswert in die Zelle der iTab (it_mara) rückschreiben
          <fs_mara_field> = <fs_changed>-value.
        ENDIF.
      ENDIF.
    ENDLOOP.

  ENDMETHOD.
* Benutzerkommandos behandeln
  METHOD handle_user_command.
* TypeCast auf Sender
    DATA: o_grid TYPE REF TO cl_gui_alv_grid.
    o_grid ?= sender.

    CASE e_ucomm.
* Daten speichern
      WHEN 'SAVE_DATA'.
        DATA: lv_action TYPE i.
        DATA: lv_filename TYPE string.
        DATA: lv_fullpath TYPE string.
        DATA: lv_path TYPE string.
* FileSave-Dialog aufrufen
        TRY.
            cl_gui_frontend_services=>file_save_dialog( EXPORTING
                                                          default_extension   = 'txt'
                                                          file_filter         = |TXT (*.txt)\|*.txt\|{ cl_gui_frontend_services=>filetype_all }|
                                                          prompt_on_overwrite = abap_true
                                                        CHANGING
                                                          filename            = lv_filename     " Dateiname
                                                          path                = lv_path         " Pfad
                                                          fullpath            = lv_fullpath     " Pfad + Dateiname
                                                          user_action         = lv_action ).    " Benutzeraktion

            IF lv_action EQ cl_gui_frontend_services=>action_ok.
* iTab nach CSV konvertieren und speichern
              cl_icf_csv=>request_for_write_into_csv( it_data = it_mara
                                                      iv_hdr_struct_name = 'MARA'
                                                      iv_init_dir = lv_path
                                                      iv_file_name = lv_filename ).

              MESSAGE 'Daten erfolgreich gespeichert.' TYPE 'I'.
            ENDIF.

          CATCH cx_root INTO DATA(e_text).          " Oberklasse für Exceptions abfangen und Kurztext übergeben
            MESSAGE e_text->get_text( ) TYPE 'I'.   " Exception Kurztext ausgeben
        ENDTRY.

* Editmodus umschalten
      WHEN 'EDIT_DATA'.
        DATA: it_fcat TYPE lvc_t_fcat.
        DATA: lv_edit TYPE boolean VALUE abap_false.

* Feldkatalog holen
        o_grid->get_frontend_fieldcatalog( IMPORTING
                                             et_fieldcatalog = it_fcat ).

        IF lines( it_fcat ) > 0.
          lv_edit = it_fcat[ 1 ]-edit.
        ENDIF.

        CASE lv_edit.
          WHEN abap_true.
            lv_edit = abap_false.
          WHEN OTHERS.
            lv_edit = abap_true.
        ENDCASE.

* im Feldkatalog alle Zellen des ALV-Grids auf editierbar stellen
        LOOP AT it_fcat ASSIGNING FIELD-SYMBOL(<fcat>).
          <fcat>-edit = lv_edit.
        ENDLOOP.

* Feldkatalog zurückgeben
        o_grid->set_table_for_first_display( CHANGING
                                              it_fieldcatalog = it_fcat
                                              it_outtab = it_mara ).
    ENDCASE.
  ENDMETHOD.
ENDCLASS.

START-OF-SELECTION.

  SELECT * FROM mara INTO TABLE it_mara UP TO 100 ROWS.

  DATA(o_alv) = NEW cl_gui_alv_grid( i_parent = cl_gui_container=>screen0
                                     i_appl_events = abap_true ).

* Eventhandler registrieren
  SET HANDLER lcl_events=>handle_toolbar FOR o_alv.
  SET HANDLER lcl_events=>handle_data_changed FOR o_alv.
  SET HANDLER lcl_events=>handle_user_command FOR o_alv.

  o_alv->register_edit_event( i_event_id = cl_gui_alv_grid=>mc_evt_enter ).

* ALV-Grid selektionsbereit setzen
  o_alv->set_ready_for_input( i_ready_for_input = 1 ).

  DATA(lv_layout) = VALUE lvc_s_layo( zebra = abap_true
                                      cwidth_opt = 'A'
                                      grid_title = 'Editierbares ALV-Gitter ohne extra Dynpro' ).

  o_alv->set_table_for_first_display( EXPORTING
                                        i_bypassing_buffer = abap_true
                                        i_save             = 'A'
                                        is_layout          = lv_layout
                                        i_structure_name   = 'MARA'
                                      CHANGING
                                        it_outtab        = it_mara ).

  cl_gui_alv_grid=>set_focus( control = o_alv ).

  cl_gui_cfw=>flush( ).

* leere Toolbar ausblenden
  cl_abap_list_layout=>suppress_toolbar( ).

  WRITE: space. " wichtig für Erzwingung der Listenausgabe und damit Generierung von cl_gui_container=>screen0

[ABAP] Einfache Ausgabe eines ALV-Grids ohne zus. Dynpro

START-OF-SELECTION.

  DATA: it_mara TYPE STANDARD TABLE OF mara.

  SELECT * FROM mara INTO TABLE it_mara UP TO 100 ROWS.

  DATA(o_alv) = NEW cl_gui_alv_grid( i_parent = cl_gui_container=>screen0
                                     i_appl_events = abap_true ).

  o_alv->set_table_for_first_display( EXPORTING
                                        i_structure_name = 'MARA'
                                      CHANGING
                                        it_outtab        = it_mara ).

  WRITE: space.

[ABAP] ALV-Grid auf dem Selektionsbildschirm anzeigen, Klick-Events abfangen, Selektions-Parameter setzen

DATA: o_dock TYPE REF TO cl_gui_docking_container.
DATA: o_alv TYPE REF TO cl_gui_alv_grid.
DATA: it_t001 TYPE STANDARD TABLE OF t001.
DATA: lv_temp TYPE string.

SELECTION-SCREEN BEGIN OF BLOCK var WITH FRAME TITLE title1.
PARAMETERS: p_param1 TYPE string.
SELECTION-SCREEN END OF BLOCK var.

CLASS lcl_events DEFINITION.
  PUBLIC SECTION.
    METHODS: on_single_click FOR EVENT hotspot_click OF cl_gui_alv_grid
      IMPORTING
        e_row_id  " obsolet, stattdessen es_row_no benutzen
        es_row_no
        e_column_id.
    METHODS: on_double_click FOR EVENT double_click OF cl_gui_alv_grid
      IMPORTING
        e_row e_column.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
* Doppel-Klick für Hotspot-Felder
  METHOD on_double_click.
    IF e_row > 0.
      lv_temp = it_t001[ e_row ]-butxt.
    ENDIF.
  ENDMETHOD.

* Single-Klick für Hotspot-Felder
  METHOD on_single_click.
    IF es_row_no-row_id > 0.
      lv_temp = it_t001[ es_row_no-row_id ]-butxt.
    ENDIF.
  ENDMETHOD.
ENDCLASS.

INITIALIZATION.

  title1 = 'Selektion'.

* Daten holen
  SELECT * FROM t001 INTO TABLE it_t001.

* Docking-Container erzeugen
  o_dock = NEW #( side = cl_gui_docking_container=>dock_at_left
                  ratio = 20 ).

* ALV-Grid erzeugen
  o_alv = NEW #( i_parent = o_dock
                 i_appl_events = abap_true ).

* Eventhandler setzen
  DATA(o_events) = NEW lcl_events( ).
  SET HANDLER o_events->on_double_click FOR o_alv.
  SET HANDLER o_events->on_single_click FOR o_alv.

* Layout anpassen
  DATA(lv_layout) = VALUE lvc_s_layo( grid_title = 'Auswahl mit Doppelklick:'
                                      no_toolbar = abap_false
                                      smalltitle = abap_true
                                      zebra      = abap_true ).

* ALV-Grid initialisieren
  o_alv->set_table_for_first_display( EXPORTING
                                        i_structure_name = 'T001'
                                        i_save           = space
                                        is_layout        = lv_layout
                                      CHANGING
                                        it_outtab        = it_t001 ).

* Feldkatalog holen
  DATA: it_fcat TYPE lvc_t_fcat.
    
  o_alv->get_frontend_fieldcatalog( IMPORTING
                                      et_fieldcatalog = it_fcat ).

* Hotspot für die Spalte 'BUTXT' aktivieren, damit Event handle_single_click abgefangen werden kann
  LOOP AT it_fcat ASSIGNING FIELD-SYMBOL(<fcat>).
    CASE <fcat>-fieldname.
      WHEN 'BUTXT'.
        <fcat>-hotspot = abap_true.
    ENDCASE.
  ENDLOOP.

* Feldkatalog speichern
  o_alv->set_frontend_fieldcatalog( it_fieldcatalog = it_fcat ).

* ALV-Grid anzeigen
  o_alv->refresh_table_display( ).

AT SELECTION-SCREEN OUTPUT.
* Selektion an Parameter geben
  p_param1 = lv_temp.

START-OF-SELECTION.
  WRITE: / 'Gewählter Parameter: ', p_param1.

[ABAP] GUI-Splitter und ALV-Grid ohne zusätzliches Dynpro

DATA: lt_sflight TYPE TABLE OF sflight.

START-OF-SELECTION.
  SELECT * FROM sflight INTO TABLE @lt_sflight.

  DATA(l_splitter) = NEW cl_gui_splitter_container( parent = cl_gui_container=>default_screen
                                                    no_autodef_progid_dynnr = abap_true       " wichtig
                                                    rows = 1
                                                    columns = 2 ).

  DATA(l_container_left) = l_splitter->get_container( row = 1 column = 1 ).
  DATA(l_container_right) = l_splitter->get_container( row = 1 column = 2 ).

  l_splitter->set_column_width( id = 1 width = 30 ).

  DATA(l_alv_left) = NEW cl_gui_alv_grid( i_parent = l_container_left ).
  DATA(l_alv_right) = NEW cl_gui_alv_grid( i_parent = l_container_right ).

  l_alv_left->set_table_for_first_display( EXPORTING
                                             i_structure_name = 'SFLIGHT'
                                           CHANGING
                                             it_outtab        = lt_sflight ).

  l_alv_right->set_table_for_first_display( EXPORTING
                                              i_structure_name = 'SFLIGHT'
                                            CHANGING
                                              it_outtab        = lt_sflight ).

  WRITE: space. " wichtig: Ausgabe des Dynpros erzwingen