[ABAP] Eigener Startbutton (PUSHBUTTON) für START-OF-SELECTION auf dem Selektionsbild

* http://havliczech.blogspot.com/2017/04/how-to-trigger-start-of-selection-event.html
PARAMETERS: p_string TYPE string DEFAULT 'abc' LOWER CASE.

SELECTION-SCREEN SKIP.

* PUSHBUTTON triggert Test-Kommando 'SHOW'
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(30) btn1 USER-COMMAND show.
SELECTION-SCREEN END OF LINE.

* PUSHBUTTON triggert Kommando 'ONLI' (Ausführen) auf dem Selektionsbild
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(30) bstart USER-COMMAND onli.
SELECTION-SCREEN END OF LINE.

INITIALIZATION.
  btn1 = 'Show'.
  bstart = 'Start'.

AT SELECTION-SCREEN.
* User-Command prüfen
  CASE sy-ucomm.
    WHEN 'ONLI'.
      MESSAGE 'Springe jetzt zu START-OF-SELECTION.' TYPE 'S'.
    WHEN 'SHOW'.
      MESSAGE p_string TYPE 'I'.
  ENDCASE.

START-OF-SELECTION.
* Wenn User-Command 'ONLI' (Ausführen) getriggert wurde
  WRITE: 'Fertig.'.

[ABAP] Button Ausführen (F8) entfernen und eigenen Startbutton auf dem Selektionbild anzeigen

* http://zevolving.com/2014/07/selection-screen-disable-standard-toolbar-button/
* https://www.saptutorial.org/hide-execute-button-selection-screen/
PARAMETERS: p_string TYPE string DEFAULT 'Test'.

* Eigener Startbutton: Triggert das Kommando 'ONLI' (Ausführen (F8)) -> START-OF-SELECTION
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(30) b_start USER-COMMAND onli.
SELECTION-SCREEN END OF LINE.

INITIALIZATION.
  b_start   = 'Start'.

AT SELECTION-SCREEN OUTPUT.
  DATA: it_ucomm TYPE STANDARD TABLE OF sy-ucomm WITH DEFAULT KEY.
* Standard-Button Ausführen (F8) in der Toolbar entfernen
  APPEND 'ONLI' TO it_ucomm.

  CALL FUNCTION 'RS_SET_SELSCREEN_STATUS'
    EXPORTING
      p_status  = sy-pfkey
    TABLES
      p_exclude = it_ucomm.

START-OF-SELECTION.
  WRITE: / p_string.

[ABAP] Oberflächenelemente per Button ausblenden

TABLES: sscrfields.

CONSTANTS: BEGIN OF e_status,
             open  TYPE i VALUE 0,
             close TYPE i VALUE 1,
           END OF e_status.

DATA: status_blk2 TYPE i.

SELECTION-SCREEN: BEGIN OF BLOCK blk1 WITH FRAME TITLE title1.
PARAMETERS: p1 TYPE string.
SELECTION-SCREEN: END OF BLOCK blk1.

SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON (4) btn_oc USER-COMMAND btn_cmd_oc.
SELECTION-SCREEN COMMENT 6(25) lbl_oc.
SELECTION-SCREEN END OF LINE.

SELECTION-SCREEN: BEGIN OF BLOCK blk2 WITH FRAME TITLE title2.
PARAMETERS: s1 TYPE string MODIF ID b2.
PARAMETERS: s2 TYPE string MODIF ID b2.
SELECTION-SCREEN: END OF BLOCK blk2.

INITIALIZATION.
  title1 = 'Kundennummer'.
  title2 = 'Eingabe'.

  lbl_oc  = 'Eingabe'.

  status_blk2 = e_status-close.

  PERFORM set_btn_icon USING status_blk2 CHANGING btn_oc.

AT SELECTION-SCREEN OUTPUT.
  LOOP AT SCREEN INTO DATA(wa).
    CASE wa-group1.       " Name der Modifikationsgruppe
      WHEN 'B2'.          " wenn in Modifikationsgruppe 'B2'
        IF status_blk2 = e_status-open.
          wa-active = '1'.
        ELSE.
          wa-active = '0'.
        ENDIF.
    ENDCASE.

    MODIFY SCREEN FROM wa.
  ENDLOOP.

  PERFORM set_btn_icon USING status_blk2 CHANGING btn_oc.

AT SELECTION-SCREEN.
  CASE sscrfields-ucomm.
    WHEN 'BTN_CMD_OC'.
      IF status_blk2 = e_status-open.
        status_blk2 = e_status-close.
      ELSE.
        status_blk2 = e_status-open.
      ENDIF.
  ENDCASE.

FORM set_btn_icon USING iv_status TYPE i CHANGING btn_icon TYPE any.
  CASE iv_status.
    WHEN e_status-close.
      btn_icon = icon_data_area_expand.
    WHEN e_status-open.
      btn_icon = icon_data_area_collapse.
  ENDCASE.
ENDFORM.

[ABAP] Subscreens auf dem Selektionsbild verwenden und per Pushbutton umschalten

SELECTION-SCREEN COMMENT /1(50) comm1.
SELECTION-SCREEN SKIP.

* TabStrip als Containerobjekt, ohne Tabs
SELECTION-SCREEN BEGIN OF TABBED BLOCK sub FOR 3 LINES.
SELECTION-SCREEN END OF BLOCK sub.

* Umschaltbuttons
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN POSITION 1.
SELECTION-SCREEN PUSHBUTTON (10) btn_1 USER-COMMAND btn_back.
SELECTION-SCREEN PUSHBUTTON (10) btn_2 USER-COMMAND btn_fwd.
SELECTION-SCREEN END OF LINE.

* SUBSCREEN 1
SELECTION-SCREEN BEGIN OF SCREEN 100 AS SUBSCREEN.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE title1.
PARAMETERS: p1 TYPE string.
SELECTION-SCREEN END OF BLOCK b1.
SELECTION-SCREEN END OF SCREEN 100.

* SUBSCREEN 2
SELECTION-SCREEN BEGIN OF SCREEN 200 AS SUBSCREEN.
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME TITLE title2.
PARAMETERS: p2 TYPE string.
SELECTION-SCREEN END OF BLOCK b2.
SELECTION-SCREEN END OF SCREEN 200.

* SUBSCREEN 3
SELECTION-SCREEN BEGIN OF SCREEN 300 AS SUBSCREEN.
SELECTION-SCREEN BEGIN OF BLOCK b3 WITH FRAME TITLE title3.
PARAMETERS: p3 TYPE string.
SELECTION-SCREEN END OF BLOCK b3.
SELECTION-SCREEN END OF SCREEN 300.

INITIALIZATION.
  comm1 = 'Beispiel für die Verwendung von Subscreens'.

  title1 = 'Sub1'.
  title2 = 'Sub2'.
  title3 = 'Sub3'.

  btn_1 = |{ icon_column_left }Zurück|.
  btn_2 = |{ icon_column_right }Vor|.

* Subscreen 100 anzeigen
  sub-prog = sy-repid.
  sub-dynnr = 100.

  p1 = '11'.
  p2 = '22'.
  p3 = '33'.

AT SELECTION-SCREEN.

  CASE sy-dynnr.
    WHEN 100.
      IF sy-ucomm = 'BTN_BACK'.
        sub-dynnr = 300.
      ELSEIF sy-ucomm = 'BTN_FWD'.
        sub-dynnr = 200.
      ENDIF.
    WHEN 200.
      IF sy-ucomm = 'BTN_BACK'.
        sub-dynnr = 100.
      ELSEIF sy-ucomm = 'BTN_FWD'.
        sub-dynnr = 300.
      ENDIF.
    WHEN 300.
      IF sy-ucomm = 'BTN_BACK'.
        sub-dynnr = 200.
      ELSEIF sy-ucomm = 'BTN_FWD'.
        sub-dynnr = 100.
      ENDIF.
  ENDCASE.

START-OF-SELECTION.

  WRITE: / p1, p2, p3.

[ABAP] Button mit Icon erstellen

Variante 1

* Button mit Icon erstellen - Variante 3 
SELECTION-SCREEN PUSHBUTTON (10) btn1 USER-COMMAND btn_back.

INITIALIZATION. 
  btn1 = |{ icon_column_left }Zurück|.

Variante 2

TABLES: sscrfields.
SELECTION-SCREEN PUSHBUTTON 2(8) btn1 USER-COMMAND cmd1.

INITIALIZATION.
  CALL FUNCTION 'ICON_CREATE'
    EXPORTING
	  name = icon_information
	  text = 'Text'
	  info = 'Quickinfo'
    IMPORTING
	  result = btn1
	EXCEPTIONS
	  others = 1.

  IF sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.

Variante 3

TABLES: sscrfields.
SELECTION-SCREEN PUSHBUTTON 2(8) btn1 USER-COMMAND cmd1.

INITIALIZATION.
  WRITE icon_execute_object TO btn1.  " Icon über WRITE in Button schreiben
  btn1+4 = 'Btn-Text'.                " Text eintragen

[ABAP] Buttons auf dem Selektionsbildschirm

* Testparameter: Pflichtfeld mit Groß-Kleinschreibung
PARAMETERS: p_text TYPE string LOWER CASE OBLIGATORY DEFAULT 'Test'. " Testtext für Ausgabe

* 1. Button sendet Kommando CMD1
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(20) btn1 USER-COMMAND cmd1.    " Button Pos 2 Länge 20, sendet Kommando 'CMD1'
SELECTION-SCREEN END OF LINE.

* 2. Button sendet Kommando CMD2
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(20) btn2 USER-COMMAND cmd2.    " Button Pos 2 Länge 20, sendet Kommando 'CMD2'
SELECTION-SCREEN END OF LINE.

* 3. Button sendet Kommando ONLI
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 2(20) btn3 USER-COMMAND onli.    " Button Pos 2 Länge 20, sendet Kommando 'ONLI'
SELECTION-SCREEN END OF LINE.

INITIALIZATION.
* Button-Texte mit Icons festlegen
  btn1 = |{ icon_abap } CMD1 - Weiter|.
  btn2 = |{ icon_activity } CMD2 - Ende|.

* Buttonbeschriftung mit Icon und Quickinfo für btn3 generieren lassen
  CALL FUNCTION 'ICON_CREATE'
    EXPORTING
      name                  = icon_information
      text                  = 'ONLI - Weiter'
      info                  = 'Quickinfo'
    IMPORTING
      result                = btn3
    EXCEPTIONS
      icon_not_found        = 1
      outputfield_too_short = 2
      OTHERS                = 3.

  IF sy-subrc <> 0.
    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  ENDIF.

AT SELECTION-SCREEN.

* Benutzer-Kommandos des Selektionsbildes abfangen und prüfen
  CASE sy-ucomm.
    WHEN 'CMD1'.
* OK-Code 'ONLI' per Funktionsbaustein setzen
      CALL FUNCTION 'SAPGUI_SET_FUNCTIONCODE' " FktBaustein zum setzen von Funktionscodes aufrufen
        EXPORTING
          functioncode           = 'ONLI'     " dann bei START-OF-SELECTION weiter
        EXCEPTIONS
          function_not_supported = 1.
    WHEN 'CMD2'.
* bei Kommando CMD2 das Programm beenden
      LEAVE PROGRAM.
    WHEN 'ONLI'.
* wenn Kommando ONLI (Ausführen (F8)) kommt, dann ohne Aktion gleich zu START-OF-SELECTION weiter
  ENDCASE.

START-OF-SELECTION.
  WRITE: p_text.