[ABAP] Desktop Office Integration (DOI): Eventhandler, leeres Dokument erzeugen, Zugriff auf Ole-Funktionen für Ole-Automation

* https://www.consolut.com/fileadmin/user_upload/SAP_PrintDoku/de/BCCIOFFI/BCCIOFFI.PDF
* https://www.saptechpro.com/post/SAPRDEMO_MS_DEMO
* https://www.saptechpro.com/post/SAPRDEMODOCUMENTCONTAINER2

* Eventhandler für Excel on_closed
CLASS lcl_events DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS: on_close FOR EVENT on_close_document OF i_oi_document_proxy
      IMPORTING
          document_proxy
          has_changed.
ENDCLASS.

CLASS lcl_events IMPLEMENTATION.
  METHOD on_close.
    MESSAGE 'Excel closed.' TYPE 'S' DISPLAY LIKE 'W'.
  ENDMETHOD.
ENDCLASS.

* Dummy-Screen für cl_gui_container=>default_screen deklarieren
SELECTION-SCREEN BEGIN OF SCREEN 100.
SELECTION-SCREEN END OF SCREEN 100.

START-OF-SELECTION.

  TRY.

* Daten mit DOI (Excel inplace) anzeigen
      DATA: o_oic TYPE REF TO i_oi_container_control.
      DATA: o_oid TYPE REF TO i_oi_document_proxy.
      DATA: o_err TYPE REF TO i_oi_error.
      DATA: it_errors TYPE STANDARD TABLE OF REF TO i_oi_error WITH NON-UNIQUE DEFAULT KEY.

      c_oi_container_control_creator=>get_container_control( IMPORTING
                                                               control = o_oic
                                                               error   = o_err ).

      APPEND o_err TO it_errors.

      IF abap_true = o_err->has_succeeded.
        o_oic->init_control( EXPORTING
                               inplace_enabled         = abap_false
                               no_flush                = abap_true
                               r3_application_name     = 'Excel Daten'
                               parent                  = cl_gui_container=>default_screen
                               register_on_close_event = abap_true
                             IMPORTING
                               error                   = o_err ).

        APPEND o_err TO it_errors.

        IF abap_true = o_err->has_succeeded.
          o_oic->get_document_proxy( EXPORTING
                                       document_type  = soi_doctype_excel_sheet " 'Excel.Sheet'
                                     IMPORTING
                                       document_proxy = o_oid
                                       error          = o_err ).
          APPEND o_err TO it_errors.

          IF abap_true = o_err->has_succeeded.
* neues, leeres Workbook einfügen
            o_oid->create_document( EXPORTING
                                      document_title = 'Excel Test'
                                      open_inplace   = abap_false
                                    IMPORTING
                                      error          = o_err ).

* Event-Handler für on_close Event
            SET HANDLER lcl_events=>on_close FOR o_oid.

* Abfrage nach dem Automation-Handle des Dokumentes
            DATA: lv_cntl_handle TYPE cntl_handle.
            o_oid->get_document_handle( IMPORTING
                                          handle  = lv_cntl_handle
                                          error   = o_err ).

            APPEND o_err TO it_errors.

            IF abap_true = o_err->has_succeeded.

* Ole-Funktionen Direkt aufrufen
              DATA: o_xl_ole TYPE ole2_object.
              DATA: o_cell_ole TYPE ole2_object.
              GET PROPERTY OF lv_cntl_handle-obj 'Application' = o_xl_ole.
              CALL METHOD OF o_xl_ole 'Cells' = o_cell_ole
                EXPORTING
                  #1 = 1
                  #2 = 1.
              SET PROPERTY OF o_cell_ole 'Value' = 'Test'.
              FREE OBJECT o_cell_ole.
              FREE OBJECT o_xl_ole.

* leere Toolbar ausblenden
              cl_abap_list_layout=>suppress_toolbar( ).

* cl_gui_container=>default_screen erzwingen
              CALL SCREEN 100.

* Schließen eines Dokuments in der Office-Anwendung
              o_oid->close_document( IMPORTING error = o_err ).

              APPEND o_err TO it_errors.

              IF o_err->has_succeeded = abap_true.

* Schließen eines Visual-Basic-Dokuments
                o_oid->close_activex_document( IMPORTING error = o_err ).

                APPEND o_err TO it_errors.

                IF o_err->has_succeeded = abap_true.

* Freigabe des für das Dokument reservierten Speichers
                  o_oid->release_document( IMPORTING error = o_err ).

                  APPEND o_err TO it_errors.

                  IF o_err->has_succeeded = abap_true.
                    FREE: o_oid.
                  ENDIF.
                ENDIF.
              ENDIF.
            ENDIF.

* baut das Control ab
            o_oic->destroy_control( IMPORTING error = o_err ).

            APPEND o_err TO it_errors.

            IF o_err->has_succeeded = abap_true.
              FREE: o_oic.
            ENDIF.

          ENDIF.
        ENDIF.
      ENDIF.

* Ausgabe Fehlerprotokoll
      DATA: lv_message_id TYPE sy-msgid.
      DATA: lv_message_number TYPE sy-msgno.
      DATA: lv_param1 TYPE sy-msgv1.
      DATA: lv_param2 TYPE sy-msgv2.
      DATA: lv_param3 TYPE sy-msgv3.
      DATA: lv_param4 TYPE sy-msgv4.

      LOOP AT it_errors ASSIGNING FIELD-SYMBOL(<e>).
        <e>->get_message( IMPORTING
                            message_id     = lv_message_id
                            message_number = lv_message_number
                            param1         = lv_param1
                            param2         = lv_param2
                            param3         = lv_param3
                            param4         = lv_param4
                        ).
        WRITE: / <e>->error_code, lv_message_id, lv_message_number, lv_param1, lv_param2, lv_param3, lv_param4.
      ENDLOOP.

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