[ABAP] SALV-Tree: Beispiel für Verwendung von cl_salv_tree

* Demoprogramme
*
* SALV_DEMO_TREE_DATA_UPDATE
* SALV_DEMO_TREE_EVENTS
* SALV_DEMO_TREE_FUNCTIONS
* SALV_DEMO_TREE_METADATA
* SALV_DEMO_TREE_SELECTIONS
* SALV_DEMO_TREE_SETTINGS
* SALV_DEMO_TREE_SIMPLE

TYPES: ty_it_spfli TYPE STANDARD TABLE OF spfli WITH DEFAULT KEY.

DATA: o_tree TYPE REF TO cl_salv_tree.
DATA: it_spfli TYPE ty_it_spfli.
DATA: it_spfli_empty TYPE ty_it_spfli.

* Eventhandlerklasse
CLASS lcl_events DEFINITION.
  PUBLIC SECTION.

    CLASS-METHODS:
      on_button_click FOR EVENT link_click OF cl_salv_events_tree
        IMPORTING
            columnname
            node_key
            sender.
    CLASS-METHODS:
      on_user_command FOR EVENT added_function OF cl_salv_events
        IMPORTING
            e_salv_function
            sender.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.

  METHOD on_button_click.

    TRY.
        IF o_tree IS BOUND.
* Unternode (Child) zur akt. geklickten Node holen holen
          DATA(o_child_node) = o_tree->get_nodes( )->get_node( node_key )->get_first_child( ).

* alle Unternodes durchlaufen und Checkbox der Spalte Carrier setzen
          WHILE o_child_node IS BOUND.

            DATA(o_item) = o_child_node->get_item( 'CARRID' ).

            IF o_item->is_checked( ) = abap_true.
              o_item->set_checked( abap_false ).
            ELSE.
              o_item->set_checked( abap_true ).
            ENDIF.

            o_child_node = o_child_node->get_next_sibling( ).
          ENDWHILE.

        ENDIF.
      CATCH cx_salv_msg.
    ENDTRY.

  ENDMETHOD.

  METHOD on_user_command.
    MESSAGE e_salv_function TYPE 'I'.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.
* Daten holen
  SELECT * FROM spfli INTO CORRESPONDING FIELDS OF TABLE it_spfli.

  SORT: it_spfli BY carrid.

  TRY.
* Tree-oBjekt mit leerer Tabelle (Dummy) erzeugen
      cl_salv_tree=>factory( IMPORTING
                               r_salv_tree = o_tree
                             CHANGING
                               t_table     = it_spfli_empty ).

* Header setzen
      o_tree->get_tree_settings( )->set_header( CONV #( sy-title ) ).
      o_tree->get_tree_settings( )->set_hierarchy_header( 'Carrier' ).
      o_tree->get_tree_settings( )->set_hierarchy_tooltip( 'Carrier' ).
      o_tree->get_tree_settings( )->set_hierarchy_size( 40 ).
      o_tree->get_tree_settings( )->set_hierarchy_icon( CONV #( icon_tree ) ).

* Treenodes einfügen
      LOOP AT it_spfli ASSIGNING FIELD-SYMBOL(<c>) GROUP BY <c>-carrid.

        DATA(it_cp) = VALUE ty_it_spfli( FOR <cp> IN GROUP <c> ( <cp> ) ).

        DATA(o_parent) = o_tree->get_nodes( )->add_node( related_node   = ''
                                                         relationship   = cl_gui_column_tree=>relat_last_child
                                                         collapsed_icon = CONV #( icon_closed_folder )
                                                         expanded_icon  = CONV #( icon_open_folder )
                                                         row_style      = if_salv_c_tree_style=>intensified
                                                         text           = CONV #( <c>-carrid ) ).

        IF lines( it_cp ) > 1.
          o_parent->get_item( 'CARRID' )->set_type( if_salv_c_item_type=>button ).
          o_parent->get_item( 'CARRID' )->set_value( 'all' ).
        ENDIF.

        LOOP AT GROUP <c> ASSIGNING FIELD-SYMBOL(<f>).
          DATA(o_carrid) = o_tree->get_nodes( )->add_node( related_node = o_parent->get_key( )
                                                           relationship = cl_gui_column_tree=>relat_last_child
                                                           data_row     = <f>
                                                           row_style    = if_salv_c_tree_style=>intensified
                                                           text         = CONV #( <f>-connid ) ).

          o_carrid->get_item( 'CARRID' )->set_type( if_salv_c_item_type=>checkbox ).
          o_carrid->get_item( 'CARRID' )->set_editable( abap_true ).
        ENDLOOP.

      ENDLOOP.

* Mandant ausblenden
      o_tree->get_columns( )->get_column( 'MANDT' )->set_technical( abap_true ).
* Carrid zentriert
      o_tree->get_columns( )->get_column( 'CARRID' )->set_alignment( if_salv_c_alignment=>right ).

* Spaltenbreiten optimieren
      o_tree->get_columns( )->set_optimize( abap_true ).

* Flugzeiten Aggregieren
      o_tree->get_aggregations( )->add_aggregation( columnname  = 'FLTIME'
                                                    aggregation = if_salv_c_aggregation=>total ).

* Alle Funktionsbuttons einschalten
      o_tree->get_functions( )->set_all( abap_true ).

* eigenen 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_tree->get_functions( )->add_function( name     = 'BTN_USR'
*                                              icon     = CONV #( icon_abap )
*                                              text     = 'Testbutton'
*                                              tooltip  = 'Testbutton'
*                                              position = if_salv_c_function_position=>right_of_salv_functions ).

* Handler für Button-Click setzen
      SET HANDLER lcl_events=>on_button_click FOR o_tree->get_event( ).
*      SET HANDLER lcl_events=>on_user_command FOR o_tree->get_event( ).

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

[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: Icons und Tooltips anzeigen

TYPES: BEGIN OF ty_it_sflight,
         status    TYPE char10,            " ICON-Spalte
         fldate    TYPE sflight-fldate,
         planetype TYPE sflight-planetype,
         seatsmax  TYPE sflight-seatsmax,
         seatsocc  TYPE sflight-seatsocc,
         seatsdiff TYPE i,                 " Spalte für ausgerechnete Differenz der Sitze
       END OF ty_it_sflight.

DATA: it_sflight TYPE STANDARD TABLE OF ty_it_sflight.

START-OF-SELECTION.

* Daten holen
  SELECT fldate, planetype, seatsmax, seatsocc
    FROM sflight
    INTO CORRESPONDING FIELDS OF TABLE @it_sflight
    WHERE carrid = 'LH'.

* Daten aufbereiten
  LOOP AT it_sflight ASSIGNING FIELD-SYMBOL(<fs_line>).

* Differenz der Sitze ausrechnen und in Spalte SEATSDIFF speichern
    <fs_line>-seatsdiff = <fs_line>-seatsmax - <fs_line>-seatsocc.

* in Spalte STATUS (ICON-Spalte) entspr. der Differenz ICONS setzen
    IF <fs_line>-seatsdiff < 10.
      <fs_line>-status = icon_red_light.
    ELSEIF <fs_line->-seatsdiff < 20.
      <fs_line>-status = icon_yellow_light.
    ELSE.
      <fs_line>-status = icon_green_light.
    ENDIF.

  ENDLOOP.

  TRY.
      DATA: o_salv TYPE REF TO cl_salv_table.

      cl_salv_table=>factory( IMPORTING
                                r_salv_table = o_salv
                              CHANGING
                                t_table      = it_sflight ).

      o_salv->get_functions( )->set_all( abap_true ).

      DATA: o_column TYPE REF TO cl_salv_column_table.
      DATA(o_columns) = o_salv->get_columns( ).

* Spalte STATUS als ICON-Spalte setzen
      o_column ?= o_columns->get_column( 'STATUS' ).
      o_column->set_icon( if_salv_c_bool_sap=>true ).
      o_column->set_alignment( if_salv_c_alignment=>centered ).
      o_column->set_long_text( 'Sitz-Status' ).

* Spalte SEATSDIFF formatieren
      o_column ?= o_columns->get_column( 'SEATSDIFF' ).
      o_column->set_alignment( if_salv_c_alignment=>right ).
      o_column->set_long_text( 'Freie Sitze' ).

* wertabhängige Tooltips setzen
      DATA(o_tooltips) = o_salv->get_functional_settings( )->get_tooltips( ).

      o_tooltips->add_tooltip( type = cl_salv_tooltip=>c_type_icon
                               value = |{ icon_green_light }|
                               tooltip = 'Ausreichend Sitze' ).

      o_tooltips->add_tooltip( type = cl_salv_tooltip=>c_type_icon
                               value = |{ icon_yellow_light }|
                               tooltip = 'Nur noch wenige Sitze' ).

      o_tooltips->add_tooltip( type = cl_salv_tooltip=>c_type_icon
                               value = |{ icon_red_light }|
                               tooltip = 'Nahezu voll' ).

      o_salv->display( ).

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

[ABAP] SALV-Table: Spalte als Schlüsselspalte darstellen und fixieren

TRY.
* Spalte 'MATNR' als Schlüsselspalte definieren    
    DATA(o_coltab) = CAST cl_salv_column_table( o_alv->get_columns( )->get_column( 'MATNR' ) ).
    o_coltab->set_key( abap_true ).
* Schlüsselspalten fixieren
    o_alv->get_columns( )->set_key_fixation( abap_true ).
  
  CATCH cx_root INTO DATA(e_text).
    MESSAGE e_text->get_text( ) TYPE 'I'.
ENDTRY.

[ABAP] SALV-Table: Nullwerte verbergen

* Variante 1: Für eine Spalte des Gitters 
DATA(o_col) = CAST cl_salv_column( o_alv->get_columns( )->get_column( 'MATNR' ) ).
o_col->set_zero( abap_false ).

* Variante 2: Für alle Spalten des Gitters: Nullwerte anzeigen/verstecken
LOOP AT o_alv->get_columns( )->get( ) ASSIGNING FIELD-SYMBOL(<c>).
  <c>-r_column->set_zero( abap_false ).
ENDLOOP.