TEXT文本编辑框4 点击按钮读取文本框内容到内表

*&---------------------------------------------------------------------*
*& Report  ZTEST_CWBK
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT  ztest_cwbk.
CONSTANTS:
  line_length TYPE i VALUE .
DATA: ok_code LIKE sy-ucomm.
DATA:
* Create reference to the custom container
  custom_container TYPE REF TO cl_gui_custom_container,
* Create reference to the TextEdit control
  editor TYPE REF TO cl_gui_textedit,
  repid LIKE sy-repid.

* Utillity table to load texts

**********************************************************************
TYPES:

   BEGIN OF t_texttable,

     line(line_length) TYPE c,

   END OF t_texttable.
DATA:

  i_texttable TYPE TABLE OF t_texttable,

  g_loaded() TYPE c.

**********************************************************************

* Impmenting events
**********************************************************************
DATA:
  event_type() TYPE c,

* Internal table for events that should be registred

  i_events TYPE cntl_simple_events,

* Structure for oneline of the table

  wa_events TYPE cntl_simple_event.
*---------------------------------------------------------------------*
*       CLASS lcl_event_handler DEFINITION
*---------------------------------------------------------------------*

CLASS lcl_event_handler DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS:
      catch_dblclick FOR EVENT dblclick
         OF cl_gui_textedit IMPORTING sender.
ENDCLASS.
CLASS lcl_event_handler IMPLEMENTATION.
  METHOD catch_dblclick.
  DATA:
      from_line TYPE i,
      from_pos  TYPE i,
      to_line TYPE i,
      to_pos TYPE i,
      wa_texttable TYPE t_texttable.
*    event_type = 'Event DBLCLICK raised'.
* Reacting to the system event
  call method cl_gui_cfw=>set_new_ok_code
    exporting new_code = 'SHOW'.
* Read the position of the double click
    CALL METHOD sender->get_selection_pos
      IMPORTING
         from_line = from_line
         from_pos  = from_pos
         to_line   = to_line
         to_pos    = to_pos.
*   table that contains text
    IF NOT g_loaded IS INITIAL.
      CALL METHOD sender->get_text_as_r3table
           IMPORTING table = i_texttable.
*   Read the line of the internal table that was clicked
      READ TABLE i_texttable INDEX from_line INTO wa_texttable.
      IF sy-subrc <> .
        EXIT.
      ENDIF.
      IF wa_texttable+() CS '*'.
        SHIFT wa_texttable.
      ELSEIF wa_texttable+() NS '*'.
        SHIFT wa_texttable RIGHT.
        wa_texttable+() = '*'.
      ENDIF.
      modify i_texttable from wa_texttable index from_line.
*     Reload texts from h einternal table
      perform load_texts.
    ENDIF.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.
  SET SCREEN ''.
*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.
  DATA str TYPE c.
  DATA sline TYPE i.
  CASE ok_code.
    WHEN 'EXIT'.
      LEAVE TO SCREEN .
    WHEN 'IMP'.
*      event_type = 'System dblclick'.
*      perform load_texts.
      PERFORM get_texts.  "读取文本框到内表
  ENDCASE.
*   Call the Dispacth method to initiate application event handling
*    call method cl_gui_cfw=>Dispatch.

ENDMODULE.                 " USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*&      Module  STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
  SET PF-STATUS 'MAIN100'.
  IF editor IS INITIAL.
    repid = sy-repid.
*   Create obejct for custom container
    CREATE OBJECT custom_container
      EXPORTING
        container_name              = 'MYCONTAINER1'
      EXCEPTIONS
        cntl_error                  =
        cntl_system_error           =
        create_error                =
        lifetime_error              =
        lifetime_dynpro_dynpro_link =
        OTHERS                      = .
    IF sy-subrc <> .
      MESSAGE ID sy-msgid TYPE 'I' NUMBER sy-msgno
                 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.
*   Create obejct for the TextEditor control
    CREATE OBJECT editor
      EXPORTING
        wordwrap_mode              = cl_gui_textedit=>wordwrap_at_fixed_position
        wordwrap_position          = line_length
        wordwrap_to_linebreak_mode = cl_gui_textedit=>true
        parent                     = custom_container
      EXCEPTIONS
        error_cntl_create          =
        error_cntl_init            =
        error_cntl_link            =
        error_dp_create            =
        gui_type_not_supported     =
        OTHERS                     = .
    IF sy-subrc <> .
      MESSAGE ID sy-msgid TYPE 'I' NUMBER sy-msgno
                 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    ENDIF.

*   Link the event handler method to the event and the
*   TextEdit control
    SET HANDLER lcl_event_handler=>catch_dblclick FOR editor.
*   Register the event in the internal table i_events
    wa_events-eventid = cl_gui_textedit=>event_double_click.
*    wa_events-appl_event = 'X'. "This is an application event
    wa_events-appl_event = space. "This is a system event
    append wa_events to i_events.
*   Pass the table to the TextEdit control using method
*   set_registred_events
    call method editor->set_registered_events
       exporting events = i_events.
  ENDIF.

ENDMODULE.                 " STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*&      Form  LOAD_TEXTS
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
form LOAD_TEXTS .
  TYPES:
   BEGIN OF t_texttable,
     line(line_length) TYPE c,
   END OF t_texttable.
  DATA
    i_texttable TYPE TABLE OF t_texttable.
* Create internal table with texts
  APPEND 'This a method that fills the TextEdit control' TO i_texttable.
  APPEND 'with a text.' TO i_texttable.
  DO  TIMES.
    APPEND 'hallo world !' TO i_texttable.
  ENDDO.
* Load TextEdit control with texts
  CALL METHOD editor->set_text_as_r3table
    EXPORTING table = i_texttable.
  IF sy-subrc > .
*   Display an error message
    EXIT.
  ENDIF.
* All methods that operates on controls are transferred to the frontend

* by a RFC calls. the method FLUSH is used to determine when this is done.
  CALL METHOD cl_gui_cfw=>flush.
  IF sy-subrc > .
*   Display an error message
  ENDIF.

endform.                    " LOAD_TEXTS
*&---------------------------------------------------------------------*
*&      Form  GET_TEXTS
*&---------------------------------------------------------------------*
form GET_TEXTS .
  TYPES:
   BEGIN OF t_texttable,
     line(line_length) TYPE c,
   END OF t_texttable.
  DATA
    i_texttable TYPE TABLE OF t_texttable.

*该方法可以读取编辑文本框输入的内容
  CALL METHOD editor->get_text_as_r3table
    IMPORTING table = i_texttable.

endform.                    " GET_TEXTS