[ABAP] Zwei SALV-Grids in einem Splittercontainer anzeigen

* Daten für SALV-Grid oben
SELECT *
  INTO TABLE @DATA(it_scarr)
  FROM scarr.

* Daten für SALV-Grid unten
SELECT *
  INTO TABLE @DATA(it_sflight)
  FROM sflight.

* 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
o_splitter_main = NEW #( parent                  = cl_gui_container=>default_screen
                         no_autodef_progid_dynnr = abap_true       " wichtig
                         rows                    = 2
                         columns                 = 1 ).

* Höhe oberer Splitter in %
o_splitter_main->set_row_height( id = 1 height = 40 ).

* REF auf oberen und unteren Splitcontainer holen
o_container_o = o_splitter_main->get_container( row = 1 column = 1 ).
o_container_u = o_splitter_main->get_container( row = 2 column = 1 ).

* SALV-Table oben mit Fluggesellschaften
DATA: o_salv_o TYPE REF TO cl_salv_table.

cl_salv_table=>factory( EXPORTING
                          r_container  = o_container_o
                        IMPORTING
                          r_salv_table = o_salv_o
                        CHANGING
                          t_table      = it_scarr ).

* Grundeinstellungen
o_salv_o->get_functions( )->set_all( abap_true ).
o_salv_o->get_columns( )->set_optimize( abap_true ).
o_salv_o->get_display_settings( )->set_list_header( 'Fluggesellschaften' ).
o_salv_o->get_display_settings( )->set_striped_pattern( abap_true ).
o_salv_o->get_selections( )->set_selection_mode( if_salv_c_selection_mode=>row_column ).

* Spaltenüberschriften: technischer Name und Beschreibungstexte
LOOP AT o_salv_o->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<so>).
  DATA(o_col_o) = <so>-r_column.
  o_col_o->set_short_text( || ).
  o_col_o->set_medium_text( || ).
  o_col_o->set_long_text( |{ o_col_o->get_columnname( ) }| ).
ENDLOOP.

* SALV-Grid anzeigen
o_salv_o->display( ).

* SALV-Table unten mit Flügen
DATA: o_salv_u TYPE REF TO cl_salv_table.

cl_salv_table=>factory( EXPORTING
                          r_container  = o_container_u
                        IMPORTING
                          r_salv_table = o_salv_u
                        CHANGING
                          t_table      = it_sflight ).

* Grundeinstellungen
o_salv_u->get_functions( )->set_all( abap_true ).
o_salv_u->get_columns( )->set_optimize( abap_true ).
o_salv_u->get_display_settings( )->set_list_header( 'Flüge' ).
o_salv_u->get_display_settings( )->set_striped_pattern( abap_true ).
o_salv_u->get_selections( )->set_selection_mode( if_salv_c_selection_mode=>row_column ).

* Spaltenüberschriften: technischer Name und Beschreibungstexte
LOOP AT o_salv_u->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<su>).
  DATA(o_col_u) = <su>-r_column.
  o_col_u->set_short_text( || ).
  o_col_u->set_medium_text( || ).
  o_col_u->set_long_text( |{ o_col_u->get_columnname( ) }| ).
ENDLOOP.

* SALV-Grid anzeigen
o_salv_u->display( ).

* leere Toolbar ausblenden
cl_abap_list_layout=>suppress_toolbar( ).

* Erzwingen von cl_gui_container=>default_screen
WRITE: space.

[ABAP] SALV-Table in der Listausgabe in Custom-Container anzeigen

DATA: o_alv TYPE REF TO cl_salv_table.

START-OF-SELECTION.
  DATA: it_spfli TYPE STANDARD TABLE OF spfli WITH DEFAULT KEY.

  SELECT * FROM spfli INTO CORRESPONDING FIELDS OF TABLE it_spfli.

  WRITE: / 'GUI-Objekt in der Listanzeige'.

  ULINE.

* freier Custom-Container in der Listenansicht
  DATA(o_cnt) = NEW cl_gui_custom_container( container_name = ''
                                             repid          = 'SAPMSSY0'
                                             dynnr          = '0120' ).
* Position des Containers
  o_cnt->set_top( 50 ).
  o_cnt->set_left( 50 ).
  o_cnt->set_width( 1000 ).
  o_cnt->set_height( 200 ).


* SALV-Grid für Anzeige im Container
  TRY.
      cl_salv_table=>factory( EXPORTING
                                r_container  = o_cnt
                              IMPORTING
                                r_salv_table = o_alv
                              CHANGING
                                t_table      = it_spfli ).

      o_alv->display( ).

    CATCH cx_root INTO DATA(e_txt).
      WRITE: / e_txt->get_text( ).
  ENDTRY.

  DO 100 TIMES.
    WRITE: / |{ sy-index } Lorem ipsum.|.
  ENDDO.

[ABAP] SALV-Table: Darstellung (Ausgabe-Format) einer Spalte über einen Konvertierungs-Exit anpassen

DATA: o_alv TYPE REF TO cl_salv_table.

DATA: it_tab TYPE ...

cl_salv_table=>factory( IMPORTING
                          r_salv_table = o_alv
                        CHANGING
                          t_table      = it_tab ).

* Der Inhalt der Spalte 'TIMESTAMP' soll anstelle des zusammengesetzten Standartformates für den p-Datentyp
* eine andere Darstellung, getrennt nach Datum und Uhrzeit, bekommen
* '20180101120101,1234567' -> '01.01.2018 12:01:01'
*
* Dazu wird der vorhandene Konvertierungs-Exit CONVERSION_EXIT_TSTMP_INPUT und CONVERSION_EXIT_TSTMP_OUTPUT
* aufgerufen, indem man das Kürzel '==TSTMP' (mittlere Buchstaben im Bezeichner CONVERSION_EXIT_... ) angibt.
*
* alle vorhandenen Konvertierungs-Exits: Transaktion SE37 -> Funktionsbaustein "CONVERSION_EXIT_*" -> Lupe
* Tabelle: TFDIR
o_alv->get_columns( )->get_column( 'TIMESTAMP' )->set_edit_mask( '==TSTMP' ).

o_alv->display( ).

Weiterführende Infos: Link und Link

[ABAP] SALV-Table: Eigenen Button einfügen und Ereignis abfangen

* http://ajanzen.com/pdf_dokumente/sap_abap/alv/alv_sel_mode_own_funct.pdf

* Eventhandler für neuen Button
CLASS lcl_events DEFINITION.
  PUBLIC SECTION.
* Bezeichner des Buttons
    CONSTANTS: co_btn_xl_export TYPE string VALUE 'BTN_XL_EXPORT'.

    CLASS-METHODS : on_toolbar_click FOR EVENT added_function OF cl_salv_events_table
      IMPORTING
          e_salv_function
          sender.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
  METHOD on_toolbar_click.
    CASE e_salv_function.
      WHEN co_btn_xl_export.
        MESSAGE co_btn_xl_export TYPE 'S'.
    ENDCASE.
  ENDMETHOD.
ENDCLASS.

START-OF-SELECTION.

* Toolbar der Listausgabe unterdrücken
  cl_abap_list_layout=>suppress_toolbar( ).

  DATA: o_alv TYPE REF TO cl_salv_table.
  DATA: it_tab TYPE ...

  cl_salv_table=>factory( EXPORTING
                            r_container = cl_gui_container=>default_screen
                          IMPORTING
                            r_salv_table = o_alv
                          CHANGING
                            t_table = it_tab ).

* Standardbuttons der SALV-Table ausblenden
  o_alv->get_functions( )->set_all( abap_false ).

* 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
  o_alv->get_functions( )->add_function( name = |{ lcl_events=>co_btn_xl_export }|
                                         icon = |{ icon_export }|
                                         text = 'Export'
                                         tooltip = 'Daten exportieren'
                                         position = if_salv_c_function_position=>right_of_salv_functions ).

* Eventhandler für Klicks in die Toolbar des SALV-Grids setzen
  SET HANDLER lcl_events=>on_toolbar_click FOR o_alv->get_event( ).

* SALV anzeigen
  o_alv->display( ).

* Listausgabe erzwingen für Erzeugung von cl_gui_container=>default_screen
  WRITE: space.

[ABAP] Selektionsbild mit HTML-Elementen, Dateneingabe, SALV-Grid, CSS, Eventhandling

**********************************************************************
*
* Datentypen, Variablen, Konstanten
*
**********************************************************************
TYPES: ty_it_events TYPE STANDARD TABLE OF cntl_simple_event WITH DEFAULT KEY.

CONSTANTS: co_carrid TYPE string VALUE 'carrid'.
CONSTANTS: co_airpto TYPE string VALUE 'airpto'.

DATA: o_splitter_main TYPE REF TO cl_gui_splitter_container.
DATA: o_container_l   TYPE REF TO cl_gui_container.
DATA: o_container_r   TYPE REF TO cl_gui_container.
DATA: o_html TYPE REF TO cl_gui_html_viewer.
DATA: o_salv TYPE REF TO cl_salv_table.

DATA: it_spfli TYPE STANDARD TABLE OF spfli WITH DEFAULT KEY.
DATA: it_salv_spfli TYPE STANDARD TABLE OF spfli WITH DEFAULT KEY.
DATA: it_sairport TYPE STANDARD TABLE OF sairport WITH DEFAULT KEY.

DATA: it_html TYPE html_table.
**********************************************************************
*
* Eventhandler
*
**********************************************************************
CLASS lcl_html_events DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS:
      on_sapevent FOR EVENT sapevent OF cl_gui_html_viewer
        IMPORTING
            action
            frame
            getdata
            postdata
            query_table
            sender.
ENDCLASS.

CLASS lcl_html_events IMPLEMENTATION.
* Link- oder Button-Klick
  METHOD on_sapevent.
    IF o_salv IS BOUND.
      TRY.
* Element in der Nodes-Tabelle lesen
          ASSIGN query_table[ name = co_carrid ] TO FIELD-SYMBOL(<carrid>).
          ASSIGN query_table[ name = co_airpto ] TO FIELD-SYMBOL(<airpto>).

          IF <carrid> IS ASSIGNED AND <airpto> IS ASSIGNED.
* iTab für SALV-Table neu aufbauen, abhängig von der Eingabe in den Formularfeldern
            it_salv_spfli = VALUE #( FOR <f> IN it_spfli WHERE ( ( carrid = <carrid>-value ) AND ( airpto = <airpto>-value ) )
                                     ( <f> )
                                   ).

          ENDIF.

* SALV-Table neu anzeigen
          o_salv->refresh( ).
        CATCH cx_root INTO DATA(e_txt).
          MESSAGE e_txt->get_text( ) TYPE 'S'.
      ENDTRY.
    ENDIF.
  ENDMETHOD.
ENDCLASS.
**********************************************************************
*
* SELECTION-SCREEN
*
**********************************************************************
* leeres Selektionsbild als Dummy für die Container-Objekte (o_splitter_main ...)
SELECTION-SCREEN BEGIN OF SCREEN 2000.
SELECTION-SCREEN END OF SCREEN 2000.
**********************************************************************
*
* INITIALIZATION
*
**********************************************************************
INITIALIZATION.
* Daten holen
  SELECT * INTO TABLE it_spfli FROM spfli.
  SELECT * INTO TABLE it_sairport FROM sairport.

* HTML-Code mit Buttons und Forms
  it_html = VALUE #(
                     ( |<html>| )
                     ( |  <head>| )
                     ( |    <meta http-equiv="content-type" content="text/html; charset=utf-8">| )
                     ( |    <script type="text/javascript">| )
                     ( |      function onKeyDown(f)| )
                     ( |      \{ if(event.keyCode == 13)| )
                     ( |         \{ document[f.name].submit();| )
                     ( |         \}| )
                     ( |      \}| )
                     ( |    </script>| )
                     ( |    <style type="text/css">| )
                     ( |       body \{| )
                     ( |         font-family: Courier New;| )
                     ( |         font-size: 13px;| )
                     ( |         font-style: normal;| )
                     ( |         font-variant: normal;| )
                     ( |         font-weight: 400;| )
                     ( |         line-height: 13px;| )
                     ( |       \}| )
                     ( |       form \{| )
                     ( |         background: lightblue;| )
                     ( |       \}| )
                     ( |       label \{| )
                     ( |         text-align: right;| )
                     ( |         line-height: 1.5;| )
                     ( |         float: left;| )
                     ( |         width: 40%;| )
                     ( |       \}| )
                     ( |       input \{| )
                     ( |         margin: 0 0 1em .2em;| )
                     ( |         padding: .2em .5em;| )
                     ( |         background-color: #fffbf0;| )
                     ( |         border: 1px solid #e7c157;| )
                     ( |         float: left;| )
                     ( |         width: 40%;| )
                     ( |         font-family: Courier New;| )
                     ( |         font-size: 13px;| )
                     ( |         font-style: normal;| )
                     ( |         font-variant: normal;| )
                     ( |         font-weight: 400;| )
                     ( |         line-height: 13px;| )
                     ( |       \}| )
                     ( |       select \{| )
                     ( |         margin: 0 0 1em .2em;| )
                     ( |         padding: .2em .5em;| )
                     ( |         background-color: #fffbf0;| )
                     ( |         border: 1px solid #e7c157;| )
                     ( |         float: left;| )
                     ( |         width: 40%;| )
                     ( |         font-family: Courier New;| )
                     ( |         font-size: 13px;| )
                     ( |         font-style: normal;| )
                     ( |         font-variant: normal;| )
                     ( |         font-weight: 400;| )
                     ( |         line-height: 13px;| )
                     ( |       \}| )
                     ( |       button \{| )
                     ( |         margin-top: 1.5em;| )
                     ( |         float: right;| )
                     ( |       \}| )
                     ( |      </style>| )
                     ( |  </head>| )
                     ( |  <body>| )
                     ( |    <form name="INPUT" accept-charset="utf-8" method="post" action="SAPEVENT:INPUT_FIELDS">| )
                     ( |      <br>| )
                     ( |      <label for="{ co_carrid }">Fluggesellschaft:</label>| )
                     ( |      <input type="text" name="{ co_carrid }" value="LH" onKeyDown="onKeyDown(this.form);">| )
                     ( |      <br>| )
                     ( |      <label for="{ co_airpto }">Zielflughafen:</label>| )
                     ( |      <select name="{ co_airpto }" value="JFK">| )
                   ).

  LOOP AT it_sairport ASSIGNING FIELD-SYMBOL(<a>).
    IF <a>-id = 'JFK'.
      APPEND |        <option selected>{ <a>-id }</option>| TO it_html.
    ELSE.
      APPEND |        <option>{ <a>-id }</option>| TO it_html.
    ENDIF.
  ENDLOOP.

  it_html = VALUE #( BASE it_html
                     ( |      </select>| )
                     ( |      <br>| )
                     ( |      <button type="submit" title="Anzeigen">Anzeigen</button>| )
                     ( |      <br>| )
                     ( |      <br>| )
                     ( |      <br>| )
                     ( |      <br>| )
                     ( |    </form>| )
                     ( |  </body>| )
                     ( |</html>| )
                   ).

**********************************************************************
*
* AT SELECTION-SCREEN OUTPUT
*
**********************************************************************
AT SELECTION-SCREEN OUTPUT.
* Doppelte Objekterzeugung unterbinden
  IF NOT o_splitter_main IS BOUND.
* Splitter auf default_screen (SELECTION-SCREEN 2000) erzeugen
    o_splitter_main = NEW #( parent  = cl_gui_container=>default_screen
                             rows    = 1
                             columns = 2 ).

* Breite in % (linke Spalte für den Tree)
    o_splitter_main->set_column_width( id = 1 width = 20 ).

* linken und rechten Splitcontainer holen
    o_container_l = o_splitter_main->get_container( row = 1 column = 1 ).
    o_container_r = o_splitter_main->get_container( row = 1 column = 2 ).

* HTML-Viewer
    o_html = NEW cl_gui_html_viewer( parent = o_container_l ).

* Eventtypten müssen gesondert registriert werden
    DATA(it_events) = VALUE ty_it_events( ( eventid    = cl_gui_html_viewer=>m_id_sapevent
                                            appl_event = abap_true ) ).

    o_html->set_registered_events( events = it_events ).

* Eventhandler registrieren
    SET HANDLER lcl_html_events=>on_sapevent FOR o_html.

* URL zu HTML holen
    DATA: lv_url TYPE skwf_url.

    o_html->load_data( IMPORTING
                         assigned_url = lv_url
                       CHANGING
                         data_table   = it_html ).

* HTML anzeigen
    o_html->show_url( url = lv_url ).

    it_salv_spfli = it_spfli.

* SALV-Table für Anzeige der Daten
    cl_salv_table=>factory( EXPORTING
                              r_container    = o_container_r
                            IMPORTING
                              r_salv_table   = o_salv
                            CHANGING
                              t_table        = it_salv_spfli ).

    o_salv->get_display_settings( )->set_striped_pattern( abap_true ).
    o_salv->get_columns( )->set_optimize( abap_true ).
    o_salv->get_functions( )->set_all( ).
    o_salv->get_selections( )->set_selection_mode( if_salv_c_selection_mode=>row_column ).
    o_salv->display( ).
  ENDIF.
**********************************************************************
*
* AT SELECTION-SCREEN
*
**********************************************************************
AT SELECTION-SCREEN.
* wenn "Ausführen" (F8) geklickt wurde
  IF sy-ucomm = 'CRET'.
* Selektionbild 2000 wieder anzeigen
    CALL SELECTION-SCREEN 2000.
  ENDIF.
**********************************************************************
*
* START-OF-SELECTION
*
**********************************************************************
START-OF-SELECTION.
* leeres Selektionbild 2000 anzeigen
  CALL SELECTION-SCREEN 2000.

[ABAP] Tree und SALV-Grid auf dem Selektionsbild ohne zus. Dynpro anzeigen, Eventhandling

**********************************************************************
*
* Datentypen, Variablen, Konstanten
*
**********************************************************************
TYPES: ty_it_events TYPE STANDARD TABLE OF cntl_simple_event WITH DEFAULT KEY.
TYPES: ty_it_nodes TYPE STANDARD TABLE OF mtreesnode WITH DEFAULT KEY.

DATA: o_splitter_main TYPE REF TO cl_gui_splitter_container.
DATA: o_container_l   TYPE REF TO cl_gui_container.
DATA: o_container_r   TYPE REF TO cl_gui_container.
DATA: o_tree TYPE REF TO cl_gui_simple_tree.
DATA: o_salv TYPE REF TO cl_salv_table.

DATA: it_tree_spfli TYPE STANDARD TABLE OF spfli.
DATA: it_salv_spfli TYPE STANDARD TABLE OF spfli.
DATA: it_nodes TYPE ty_it_nodes.
**********************************************************************
*
* Eventhandler
*
**********************************************************************
CLASS lcl_events DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS: on_selection_changed FOR EVENT selection_changed OF cl_gui_simple_tree
      IMPORTING
          node_key
          sender.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
* Klick auf ein aktives Baumelement
  METHOD on_selection_changed.
    IF o_salv IS BOUND.
* Element in der Nodes-Tabelle lesen
      ASSIGN it_nodes[ node_key = node_key ] TO FIELD-SYMBOL(<fs_node>).

* iTab für SALV-Table neu aufbauen, abhängig vom gewählten Baumelement
      it_salv_spfli = VALUE #( FOR l IN it_tree_spfli WHERE ( carrid = <fs_node>-text )
                               ( mandt = l-mandt
                                 carrid = l-carrid
                                 connid = l-connid
                                 countryfr = l-countryfr
                                 cityfrom = l-cityfrom
                                 airpfrom = l-airpfrom
                                 countryto = l-countryto
                                 cityto = l-cityto
                                 airpto = l-airpto
                                 fltime = l-fltime
                                 deptime = l-deptime
                                 arrtime = l-arrtime
                                 distance = l-distance
                                 distid = l-distid
                                 fltype = l-fltype
                                 period = l-period ) ).

* SALV-Table neu anzeigen
      o_salv->refresh( ).
    ENDIF.
  ENDMETHOD.
ENDCLASS.
**********************************************************************
*
* SELECTION-SCREEN
*
**********************************************************************
* leeres Selektionsbild als Dummy für die Container-Objekte (o_splitter_main ...)
SELECTION-SCREEN BEGIN OF SCREEN 2000.
SELECTION-SCREEN END OF SCREEN 2000.
**********************************************************************
*
* INITIALIZATION
*
**********************************************************************
INITIALIZATION.
  SELECT * INTO TABLE it_tree_spfli FROM spfli.
**********************************************************************
*
* START-OF-SELECTION
*
**********************************************************************
START-OF-SELECTION.
* leeres Selektionbild 2000 anzeigen
  CALL SELECTION-SCREEN 2000.
**********************************************************************
*
* AT SELECTION-SCREEN OUTPUT
*
**********************************************************************
AT SELECTION-SCREEN OUTPUT.
* Doppelte Objekterzeugung unterbinden
  IF NOT o_splitter_main IS BOUND.
* Splitter auf default_screen (SELECTION-SCREEN 2000) erzeugen
    o_splitter_main = NEW #( parent  = cl_gui_container=>default_screen
                             rows    = 1
                             columns = 2 ).

* Breite in % (linke Spalte für den Tree)
    o_splitter_main->set_column_width( id = 1 width = 15 ).

* linken und rechten Splitcontainer holen
    o_container_l = o_splitter_main->get_container( row = 1 column = 1 ).
    o_container_r = o_splitter_main->get_container( row = 1 column = 2 ).

* Tree-Objekt erzeugen
    o_tree = NEW #( parent = o_container_l
                    node_selection_mode = cl_gui_simple_tree=>node_sel_mode_single ).

* Eventtypten müssen gesondert registriert werden
    DATA(it_events) = VALUE ty_it_events( ( eventid = cl_gui_simple_tree=>eventid_selection_changed
                                            appl_event = abap_true ) ).

    o_tree->set_registered_events( events = it_events ).

    SET HANDLER lcl_events=>on_selection_changed FOR o_tree.

* Root-Node einfügen
    it_nodes = VALUE #( ( node_key  = 'ROOT'           " Node-Bezeichner
                          relatship = cl_gui_simple_tree=>relat_last_child
                          disabled  = abap_true
                          isfolder  = abap_true        " Typ Ordner für Root-Element
                          n_image   = icon_folder      " Icon Ordner
                          exp_image = icon_open_folder " Icon geöffneter Ordner
                          style     = cl_gui_simple_tree=>style_default
                          text      = 'Airlines' ) ).

* Childs an Root-Node anhängen
    LOOP AT it_tree_spfli ASSIGNING FIELD-SYMBOL(<fs_line>).
* bei Änderung der carrid neue carrid als Child anhängen
      AT NEW carrid.
        APPEND VALUE #( node_key  = |NODE{ sy-tabix }| " Node-Bezeichner
                        relatship = cl_gui_simple_tree=>relat_last_child
                        relatkey  = 'ROOT'             " an ROOT-Element anhängen
                        style     = cl_gui_simple_tree=>style_intensified
                        text      = |{ <fs_line>-carrid }| ) TO it_nodes.
      ENDAT.
    ENDLOOP.

* Nodes im Baum einfügen
    o_tree->add_nodes( table_structure_name = 'MTREESNODE' " Typ muss gleich mit Zeilentyp von ty_it_nodes sein
                       node_table           = it_nodes ).

* Root-Nodes des Trees expandieren
    o_tree->expand_root_nodes( ).

* leeres SALV-Grid erzeugen
    cl_salv_table=>factory( EXPORTING
                              r_container    = o_container_r
                            IMPORTING
                              r_salv_table   = o_salv
                            CHANGING
                              t_table        = it_salv_spfli ).

    o_salv->get_display_settings( )->set_striped_pattern( abap_true ).
    o_salv->get_columns( )->set_optimize( abap_true ).
    o_salv->get_functions( )->set_all( ).
    o_salv->get_selections( )->set_selection_mode( if_salv_c_selection_mode=>row_column ).
    o_salv->display( ).
  ENDIF.
**********************************************************************
*
* AT SELECTION-SCREEN
*
**********************************************************************
AT SELECTION-SCREEN.
* wenn "Ausführen" (F8) geklickt wurde
  IF sy-ucomm = 'CRET'.
* Selektionbild 2000 wieder anzeigen
    CALL SELECTION-SCREEN 2000.
  ENDIF.

[ABAP] SALV-Table – technische und reguläre Spaltennamen gleichzeitig anzeigen

DATA: o_salv TYPE REF TO cl_salv_table.

...

LOOP AT o_salv->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<c>).
  <c>-r_column->set_short_text( |{ <c>-r_column->get_columnname( ) } [{ <c>-r_column->get_short_text( ) }]| ).
  <c>-r_column->set_medium_text( |{ <c>-r_column->get_columnname( ) } [{ <c>-r_column->get_medium_text( ) }]| ).
  <c>-r_column->set_long_text( |{ <c>-r_column->get_columnname( ) } [{ <c>-r_column->get_long_text( ) }]| ).
ENDLOOP.