[ABAP] SALV-Grid: Eventhandler für Doppelklick auf eine Zelle (double_click)

CLASS lcl_salv DEFINITION FINAL.

  PUBLIC SECTION.

    TYPES: BEGIN OF ty_mara_makt,
             matnr TYPE mara-matnr,
             laeda TYPE mara-laeda,
             mtart TYPE mara-mtart,
             meins TYPE mara-meins,
             maktx TYPE makt-maktx,
           END OF ty_mara_makt.

    CLASS-DATA: o_salv TYPE REF TO cl_salv_table.
    CLASS-DATA: it_mara TYPE STANDARD TABLE OF ty_mara_makt WITH DEFAULT KEY.

    CLASS-METHODS on_double_click FOR EVENT double_click OF cl_salv_events_table
      IMPORTING
        row
        column
        sender.
ENDCLASS.

CLASS lcl_salv IMPLEMENTATION.

  METHOD on_double_click.
    IF o_salv IS BOUND.
* Wenn Spalte 'MATNR'
      IF column EQ 'MATNR'.
* Wert in der geklickten Zelle holen
        DATA(lv_matnr18) = CONV matnr18( o_salv->get_selections( )->get_current_cell( )-value ).

* aufgrund Änderungen im SALV-Klassenmodell ist bei bestimmten SP
* der Aufruf von get_current_cell( )-value leer,
* also, hier nochmal auf die "alte" Art die geklickten Zelldaten holen
        IF lv_matnr18 IS INITIAL.
          lv_matnr18 = it_mara[ row ]-matnr.
        ENDIF.

        IF NOT lv_matnr18 IS INITIAL.
* Parameter zum Aufruf MM03:
* https://www.samplecodeabap.com/call-transaction-mm03-with-specific-tab/

* MATNR setzen
          SET PARAMETER ID 'MAT' FIELD lv_matnr18.
* K - Grunddaten anzeigen
          SET PARAMETER ID 'MXX' FIELD 'K'.
* Transaktion MM03 aufrufen (Material anzeigen)
          CALL TRANSACTION 'MM03' AND SKIP FIRST SCREEN.
        ENDIF.
      ENDIF.
    ENDIF.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.

  SELECT FROM mara AS m
    INNER JOIN makt AS t ON m~matnr = t~matnr
    FIELDS m~matnr,
           m~laeda,
           m~mtart,
           m~meins,
           t~maktx
    WHERE t~spras EQ @sy-langu
    INTO TABLE @lcl_salv=>it_mara
    UP TO 50 ROWS.

  IF sy-subrc = 0.
    TRY.
        cl_salv_table=>factory( IMPORTING r_salv_table = lcl_salv=>o_salv
                                CHANGING  t_table      = lcl_salv=>it_mara ).

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

* Spaltenüberschriften: technischer Name und Beschreibungstexte, Short Text und Medium Text leer lassen für Autosize
        LOOP AT lcl_salv=>o_salv->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<c>).
          DATA(o_col) = <c>-r_column.
          o_col->set_short_text( || ).
          o_col->set_medium_text( || ).
          o_col->set_long_text( |{ o_col->get_long_text( ) }| ).
        ENDLOOP.

* Event-Hanlder für Link-Klick
        SET HANDLER lcl_salv=>on_double_click FOR lcl_salv=>o_salv->get_event( ).

        lcl_salv=>o_salv->display( ).

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

Links

[ABAP] SALV-Grid: Eventhandler für Klick auf eine Zelle (link_click, hotspot)

CLASS lcl_salv DEFINITION FINAL.

  PUBLIC SECTION.

    TYPES: BEGIN OF ty_mara_makt,
             matnr TYPE mara-matnr,
             laeda TYPE mara-laeda,
             mtart TYPE mara-mtart,
             meins TYPE mara-meins,
             maktx TYPE makt-maktx,
           END OF ty_mara_makt.

    CLASS-DATA: o_salv TYPE REF TO cl_salv_table.
    CLASS-DATA: it_mara TYPE STANDARD TABLE OF ty_mara_makt WITH DEFAULT KEY.

    CLASS-METHODS on_link_click FOR EVENT link_click OF cl_salv_events_table
      IMPORTING
        row
        column
        sender.
ENDCLASS.

CLASS lcl_salv IMPLEMENTATION.

  METHOD on_link_click.
    IF o_salv IS BOUND.
* Wenn Spalte 'MATNR'
      IF column EQ 'MATNR'.
* Wert in der geklickten Zelle holen
        DATA(lv_matnr18) = CONV matnr18( o_salv->get_selections( )->get_current_cell( )-value ).

* aufgrund Änderungen im SALV-Klassenmodell ist bei bestimmten SP
* der Aufruf von get_current_cell( )-value leer,
* also, hier nochmal auf die "alte" Art die geklickten Zelldaten holen
        IF lv_matnr18 IS INITIAL.
          lv_matnr18 = it_mara[ row ]-matnr.
        ENDIF.

        IF NOT lv_matnr18 IS INITIAL.
* Parameter zum Aufruf MM03:
* https://www.samplecodeabap.com/call-transaction-mm03-with-specific-tab/

* MATNR setzen
          SET PARAMETER ID 'MAT' FIELD lv_matnr18.
* K - Grunddaten anzeigen
          SET PARAMETER ID 'MXX' FIELD 'K'.
* Transaktion MM03 aufrufen (Material anzeigen)
          CALL TRANSACTION 'MM03' AND SKIP FIRST SCREEN.
        ENDIF.
      ENDIF.
    ENDIF.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.

  SELECT FROM mara AS m
    INNER JOIN makt AS t ON m~matnr = t~matnr
    FIELDS m~matnr,
           m~laeda,
           m~mtart,
           m~meins,
           t~maktx
    WHERE t~spras EQ @sy-langu
    INTO TABLE @lcl_salv=>it_mara
    UP TO 50 ROWS.

  IF sy-subrc = 0.
    TRY.
        cl_salv_table=>factory( IMPORTING r_salv_table = lcl_salv=>o_salv
                                CHANGING  t_table      = lcl_salv=>it_mara ).

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

* Spaltenüberschriften: technischer Name und Beschreibungstexte, Short Text und Medium Text leer lassen für Autosize
        LOOP AT lcl_salv=>o_salv->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<c>).
          DATA(o_col) = <c>-r_column.
          o_col->set_short_text( || ).
          o_col->set_medium_text( || ).
          o_col->set_long_text( |{ o_col->get_long_text( ) }| ).
        ENDLOOP.

* Link-Klick für Spalte MATNR
        CAST cl_salv_column_table( lcl_salv=>o_salv->get_columns( )->get_column( 'MATNR' ) )->set_cell_type( if_salv_c_cell_type=>hotspot ).

* Event-Hanlder für Link-Klick
        SET HANDLER lcl_salv=>on_link_click FOR lcl_salv=>o_salv->get_event( ).

        lcl_salv=>o_salv->display( ).

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

[ABAP] ALV-Grid: Nach Drücken der Enter-Taste in die nächste Zeile springen

METHOD on_data_changed.
  DATA: lv_row_id TYPE lvc_s_row.
  DATA: lv_col_id TYPE lvc_s_col.
  DATA: lv_row_no TYPE lvc_s_roid.

* aktuelle Zelle holen
  o_alv->get_current_cell( IMPORTING
                             es_row_id = lv_row_id
                             es_col_id = lv_col_id
                             es_row_no = lv_row_no ).

* Wert für Zeile erhöhen
  lv_row_id-index  = lv_row_id-index  + 1.
  lv_row_no-row_id = lv_row_no-row_id + 1.

* akt. Zeile setzen,
* dabei prüfen, ob Zeilenindex nicht größer als Inhalt der internen
* Tabelle im ALV-Grid ist
  IF lv_row_id-index < lines( itab ).
    o_alv->set_current_cell_via_id( EXPORTING
                                      is_row_id    = lv_row_id
                                      is_column_id = lv_col_id
                                      is_row_no    = lv_row_no ).
  ENDIF.
ENDMETHOD.

[ABAP] ALV-Grid: Bei Refresh Cursor- und Scrollposition halten

Variante 1 ( refresh_table_display )

DATA: o_alv TYPE REF TO cl_gui_alv_grid.
  
...

DATA: lv_stable TYPE lvc_s_stbl.
lv_stable-row = 'X'.
lv_stable-col = 'X'.

o_alv->refresh_table_display( is_stable = lv_stable ).

Variante 2 ( set_scroll_info_via_id, set_current_cell_via_id )

DATA: o_alv TYPE REF TO cl_gui_alv_grid.
  
...

* Scrollbalken und Cursorposition im Gitter auslesen
DATA: lv_row_no TYPE lvc_s_roid.
DATA: lv_row_info TYPE lvc_s_row.
DATA: lv_col_info TYPE lvc_s_col.

o_alv->get_scroll_info_via_id( IMPORTING
                                 es_row_no   = lv_row_no
                                 es_row_info = lv_row_info
                                 es_col_info = lv_col_info ).

DATA: lv_row_no2 TYPE lvc_s_roid.
DATA: lv_row_id2 TYPE lvc_s_row.
DATA: lv_col_id2 TYPE lvc_s_col.

o_alv->get_current_cell( IMPORTING
                           es_row_id = lv_row_id2
                           es_col_id = lv_col_id2
                           es_row_no = lv_row_no2 ).
                           
o_alv->refresh_table_display( ).

* Scrollbalken und Cursorposition im Gitter auf die alte Position setzen
o_alv->set_scroll_info_via_id( is_row_info = lv_row_info
                               is_col_info = lv_col_info
                               is_row_no   = lv_row_no ).

o_alv->set_current_cell_via_id( is_row_id    = lv_row_id2
                                is_column_id = lv_col_id2
                                is_row_no    = lv_row_no2 ).

Weiterführende Infos: Link

[ABAP] GUI-Simple-Tree und SALV-Grid in Split-Container ohne Dynpro anzeigen, Eventhandling

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_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.

CLASS lcl_events DEFINITION.
  PUBLIC SECTION.
* GUI Simple Tree
    CLASS-METHODS: on_keypress FOR EVENT node_keypress OF cl_gui_simple_tree
      IMPORTING
          node_key
          key
          sender.
    CLASS-METHODS: on_selection_changed FOR EVENT selection_changed OF cl_gui_simple_tree
      IMPORTING
          node_key
          sender.
    CLASS-METHODS: on_expand_no_children FOR EVENT expand_no_children OF cl_gui_simple_tree
      IMPORTING
          node_key
          sender.
* ALV-Events für das SALV-Grid
    CLASS-METHODS: on_toolbar FOR EVENT toolbar OF cl_gui_alv_grid
      IMPORTING
          e_object
          sender.
    CLASS-METHODS: on_user_command FOR EVENT user_command OF cl_gui_alv_grid
      IMPORTING
          e_ucomm
          sender.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
* Tastendruck
  METHOD on_keypress.
    MESSAGE |Node: { node_key } Taste: { key }| TYPE 'S'.
  ENDMETHOD.
* Klick auf ein aktives Baumelement
  METHOD on_selection_changed.
* Element in der Nodes-Tabelle lesen
    ASSIGN it_nodes[ node_key = node_key ] TO FIELD-SYMBOL(<fs_node>).

* iTab für SALV-Table neu aufbauen
    CLEAR: it_salv_spfli.

    LOOP AT it_tree_spfli ASSIGNING FIELD-SYMBOL(<fs_line>) WHERE carrid = <fs_node>-text.
      APPEND <fs_line> TO it_salv_spfli.
    ENDLOOP.

* SALV-Table neu anzeigen
    o_salv->refresh( ).
  ENDMETHOD.
* bei Expandierung eines Baumelements ohne Unterelemente
  METHOD on_expand_no_children.
    MESSAGE |Node: { node_key }| TYPE 'S'.
  ENDMETHOD.

* Toolbar-Buttons hinzufügen:
* butn_type   Bezeichung
* 0           Button (normal)
* 1           Menü + Defaultbutton
* 2           Menü
* 3           Separator
* 4           Radiobutton
* 5           Auswahlknopf (Checkbox)
* 6           Menüeintrag
  METHOD on_toolbar.
* Separator hinzufügen
    APPEND VALUE #( butn_type = 3 ) TO e_object->mt_toolbar.
* Edit-Button hinzufügen
    APPEND VALUE #( butn_type = 5 text = 'Daten anzeigen' icon = icon_icon_list function = 'SHOW_DATA' quickinfo = 'Daten anzeigen' disabled = ' ' ) TO e_object->mt_toolbar.
  ENDMETHOD.
* Benutzerkommando (Button-Klick)
  METHOD on_user_command.
    CASE e_ucomm.
      WHEN 'SHOW_DATA'.
        DATA: lv_row TYPE i. " Zeile auf Grid
        DATA: lv_value TYPE char255. " Wert
        DATA: lv_col TYPE i. " Spalte auf Grid
        DATA: lv_row_id TYPE lvc_s_row. " Zeilen-Id
        DATA: lv_col_id TYPE lvc_s_col. " Spalten-Id
        DATA: lv_row_no TYPE lvc_s_roid. " Numerische Zeilen ID

        sender->get_current_cell( IMPORTING
                                    e_row = lv_row
                                    e_value = lv_value
                                    e_col = lv_col
                                    es_row_id = lv_row_id
                                    es_col_id = lv_col_id
                                    es_row_no = lv_row_no ).

        MESSAGE |Zeile: { lv_row }, Spalte: { lv_col }, Wert: { lv_value }, Spaltenname: { lv_col_id-fieldname }| TYPE 'S'.
    ENDCASE.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.

  SELECT * INTO TABLE it_tree_spfli FROM spfli.

* Splitter auf screen0 erzeugen
  DATA(o_split) = NEW cl_gui_splitter_container( parent = cl_gui_container=>screen0
                                                 no_autodef_progid_dynnr = abap_true
                                                 rows = 1
                                                 columns = 2 ).

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

* linken und rechten Splitcontainer holen
  DATA(o_spl_left) = o_split->get_container( row = 1 column = 1 ).
  DATA(o_spl_right) = o_split->get_container( row = 1 column = 2 ).

  TRY.
* Tree-Objekt erzeugen
      DATA(o_tree) = NEW cl_gui_simple_tree( parent = o_spl_left
                                             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_node_keypress
                                              appl_event = abap_true )
                                            ( eventid = cl_gui_simple_tree=>eventid_selection_changed
                                              appl_event = abap_true )
                                            ( eventid = cl_gui_simple_tree=>eventid_expand_no_children
                                              appl_event = abap_true ) ).

      o_tree->set_registered_events( events = it_events ).

      o_tree->add_key_stroke( cl_gui_simple_tree=>key_enter ).

* Events registrieren
      SET HANDLER lcl_events=>on_keypress FOR o_tree.
      SET HANDLER lcl_events=>on_selection_changed FOR o_tree.
      SET HANDLER lcl_events=>on_expand_no_children 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 }| " eindeutiger 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_spl_right
                              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( ).

* Trick: Aus dem Split-Container rechts das Grid-Objekt holen und nach cl_gui_alv_grid casten
      READ TABLE o_spl_right->children INDEX 1 ASSIGNING FIELD-SYMBOL(<child>).
      IF <child> IS ASSIGNED.
        DATA(o_alv_grid) = CAST cl_gui_alv_grid( <child> ).

* Eventhandler registrieren
        SET HANDLER lcl_events=>on_toolbar FOR o_alv_grid.
        SET HANDLER lcl_events=>on_user_command FOR o_alv_grid.
      ENDIF.

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

* leere Toolbar ausblenden
  cl_abap_list_layout=>suppress_toolbar( ).

* cl_gui_container=>screen0 erzwingen
  WRITE space.