[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] 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.

[ABAP] Baumstruktur mit Hilfe des cl_gui_simple_tree anzeigen, Events abfangen

* Demoprogramme
* RSDEMO_DRAG_DROP_EDIT_TREE
* RSDEMO_DRAG_DROP_TREE_MULTI
* SAPSIMPLE_TREE_CONTROL_DEMO

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: it_nodes TYPE ty_it_nodes.

CLASS lcl_event DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS: on_keypress FOR EVENT node_keypress OF cl_gui_simple_tree
      IMPORTING
          node_key
          key
          sender.
    CLASS-METHODS: on_double_click FOR EVENT node_double_click OF cl_gui_simple_tree
      IMPORTING
          node_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.
ENDCLASS.

CLASS lcl_event IMPLEMENTATION.
* Tastendruck, die Tasten müssen mit add_key_stroke( ) registriert worden sein
  METHOD on_keypress.
    WRITE: / |Node: { node_key } Taste: { key }|.
  ENDMETHOD.
* Doppelklick auf ein aktives Baumelement
  METHOD on_double_click.
* Text in der Nodes-Tabelle anpassen
    ASSIGN it_nodes[ node_key = node_key ] TO FIELD-SYMBOL(<fs_node>).
    <fs_node>-text = 'Schonmal geklickt.'.

* Text in der Node anpassen
    sender->node_set_text( node_key = node_key text = <fs_node>-text ).

    WRITE: / |Node: { node_key }, Text: { <fs_node>-text }|.
  ENDMETHOD.
* Klick auf ein aktives Baumelement
  METHOD on_selection_changed.
    WRITE: / |Node: { node_key }|.
  ENDMETHOD.
* bei Expandierung eines Baumelements ohne Unterelemente
  METHOD on_expand_no_children.
    WRITE: / |Node: { node_key }|.
  ENDMETHOD.
ENDCLASS.

START-OF-SELECTION.

* Container-Objekt erzeugen
  DATA(o_dock) = NEW cl_gui_docking_container( no_autodef_progid_dynnr = abap_true
                                               side = cl_gui_docking_container=>dock_at_left
                                               ratio = 15
                                               caption = 'Datenausgabe' ).

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

  o_tree->set_registered_events( events = it_events ).

* benötigte Tasten registrieren
*cl_gui_simple_tree=>key_f1: F1
*cl_gui_simple_tree=>key_f4: F4
*cl_gui_simple_tree=>key_insert: Einfügen
*cl_gui_simple_tree=>key_delete: Entfernen
*cl_gui_simple_tree=>key_enter: Enter
*cl_gui_simple_tree=>key_cut: Strg+X
*cl_gui_simple_tree=>key_copy: Strg+C
*cl_gui_simple_tree=>key_paste: Strg+V

  o_tree->add_key_stroke( cl_gui_simple_tree=>key_enter ).
  o_tree->add_key_stroke( cl_gui_simple_tree=>key_f1 ).
  o_tree->add_key_stroke( cl_gui_simple_tree=>key_delete ).

* Events registrieren, on_double_click und on_selection_changed
* dürfen nicht gleichzeitig registriert sein, sonst Exception
  SET HANDLER lcl_event=>on_keypress FOR o_tree.
*  SET HANDLER lcl_event=>on_double_click FOR o_tree.
  SET HANDLER lcl_event=>on_selection_changed FOR o_tree.
  SET HANDLER lcl_event=>on_expand_no_children FOR o_tree.

* Tree-Nodes einfügen -> die Bezeichner müssen eindeutig sein
  it_nodes = VALUE #( ( node_key  = 'FLDR1'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        disabled  = abap_true
                        isfolder  = abap_true
                        n_image   = icon_folder
                        exp_image = icon_open_folder
                        style     = cl_gui_simple_tree=>style_default
                        text      = 'Ordner' )

                      ( node_key  = 'NODE1'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        disabled  = abap_true
                        isfolder  = abap_true
                        relatkey  = 'FLDR1'
                        n_image   = icon_folder
                        exp_image = icon_open_folder
                        style     = cl_gui_simple_tree=>style_intensified
                        text      = 'Datensatz 1' )

                      ( node_key  = 'NODE1_1'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        isfolder  = abap_false
                        relatkey  = 'NODE1'
                        n_image   = icon_led_yellow
                        style     = cl_gui_simple_tree=>style_intensified
                        text      = 'Datensatz 1_1' )

                      ( node_key  = 'NODE2'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        isfolder  = abap_false
                        relatkey  = 'FLDR1'
                        n_image   = icon_led_green
                        style     = cl_gui_simple_tree=>style_default
                        text      = 'Datensatz 2' )

                      ( node_key  = 'NODE3'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        isfolder  = abap_false
                        relatkey  = 'FLDR1'
                        disabled  = abap_true
                        n_image   = icon_led_inactive
                        style     = cl_gui_simple_tree=>style_inactive
                        text      = 'Datensatz 3 (inaktiv)' )

                      ( node_key  = 'NODE4'
                        relatship = cl_gui_simple_tree=>relat_last_child
                        isfolder  = abap_false
                        relatkey  = 'FLDR1'
                        disabled  = abap_false
                        n_image   = icon_led_red
                        style     = cl_gui_simple_tree=>style_intensifd_critical
                        text      = 'Datensatz 4' ) ).

  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( ).

* leere Toolbar ausblenden
  cl_abap_list_layout=>suppress_toolbar( ).

  WRITE space. " wichtig für Erzwingung der Listenausgabe und Anzeige des Trees

Weiterführende Infos: Link und Link