Thursday, 30 July 2015

Creating ToolBar buttons in containers Using CL_GUI_TOOLBAR class and Handling it

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DATA lr_toolbar TYPE REF TO cl_gui_toolbar,
                      lr_cust_cont TYPE REF TO cl_gui_custom_container,
           lt_event TYPE cntl_simple_events,
           ls_event LIKE LINE OF lt_event.

*----------------------------------------------------------------------*
*       CLASS LCL_HANDLE_TOOLBAR DEFINITION
*----------------------------------------------------------------------*

CLASS lcl_handle_toolbar DEFINITION.
  PUBLIC SECTION.
    METHODS handle_button FOR EVENT function_selected
                            OF cl_gui_toolbar IMPORTING fcode .
ENDCLASS.                    "LCL_HANDLE_TOOLBAR DEFINITION

*----------------------------------------------------------------------*
*       CLASS lcl_handle_toolbar IMPLEMENTATION
*----------------------------------------------------------------------*

CLASS lcl_handle_toolbar IMPLEMENTATION.
  METHOD handle_button .
  CASE fcode.
    WHEN 'TSAVE'.
     MESSAGE 'Save button clicked' TYPE 'I'.
  ENDCASE.
  ENDMETHOD.                    "handle_button
ENDCLASS.                    "lcl_handle_toolbar IMPLEMENTATION

START-OF-SELECTION.
  DATA lr_handle TYPE REF TO lcl_handle_toolbar.
  CREATE OBJECT lr_handle.

  CALL SCREEN 0001.
*&---------------------------------------------------------------------*
*&      Module  CREATE_PFSTATUS  OUTPUT
*&---------------------------------------------------------------------*
MODULE create_pfstatus OUTPUT.
  SET PF-STATUS 'STATUS'.
ENDMODULE.                 " CREATE_PFSTATUS  OUTPUT
*&---------------------------------------------------------------------*
*&      Module  CREATE_TOOLBAR  OUTPUT
*&---------------------------------------------------------------------*
MODULE create_toolbar OUTPUT.
  IF lr_cust_cont IS NOT BOUND.
    CREATE OBJECT lr_cust_cont
      EXPORTING
        container_name 'TOOLBAR'
        repid          sy-repid
        dynnr          sy-dynnr.

  ENDIF.

  IF lr_toolbar IS NOT BOUND.
    CREATE OBJECT lr_toolbar
      EXPORTING
        parent             lr_cust_cont
        display_mode       cl_gui_toolbar=>m_mode_horizontal " Display mode
        name               'Demo Toolbar'
      EXCEPTIONS
        cntl_install_error 1
        cntl_error         2
        cntb_wrong_version 3
        OTHERS             4.

  ENDIF.

  CALL METHOD lr_toolbar->add_button
    EXPORTING
      fcode            'TSAVE'  " Function Code of Button
      icon             '@2L@'    " Icon Name
*     is_disabled      =     " Button Status
      butn_type        0   " Button Types Defined in CNTB
      text             'Save'  " Text Shown to the Right of the Image
      quickinfo        'Click to update the database'
*     is_checked       =     " Button Selected
    EXCEPTIONS
      cntl_error       1
      cntb_btype_error 2
      cntb_error_fcode 3
      OTHERS           4.

  ls_event-eventid cl_gui_toolbar=>m_id_function_selected.
  ls_event-appl_event ''.
  APPEND ls_event TO lt_event.
  CALL METHOD lr_toolbar->set_registered_events
    EXPORTING
      events lt_event.

  SET HANDLER lr_handle->handle_button FOR lr_toolbar.
ENDMODULE.                 " CREATE_TOOLBAR  OUTPUT
*&---------------------------------------------------------------------*
*&      Module  HANDLE_USERACTION  INPUT
*&---------------------------------------------------------------------*
MODULE handle_useraction INPUT.
  CASE sy-ucomm.
    WHEN 'BACK' OR 'EXIT' OR 'CANCEL'.
      LEAVE TO SCREEN 0.
    WHEN OTHERS.
  ENDCASE.
ENDMODULE.                 " HANDLE_USERACTION  INPUT

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