OO ALV 事件类工具

*&---------------------------------------------------------------------*
*&  Include           ZBC_INCL_ALVEVT
*&---------------------------------------------------------------------*
CLASS lcl_event_handler DEFINITION.
  PUBLIC SECTION.
    METHODS:
*-- To add new functional buttons to the ALV toolbar
    toolbar
    FOR EVENT toolbar OF cl_gui_alv_grid
    IMPORTING e_object
              e_interactive,
*-- To implement user commands
    user_command
    FOR EVENT user_command OF cl_gui_alv_grid
    IMPORTING e_ucomm,
*-- Hotspot click control
    hotspot_click
    FOR EVENT hotspot_click OF cl_gui_alv_grid
    IMPORTING e_row_id
              e_column_id
              es_row_no,
*-- Handle double click
    double_click
    FOR EVENT double_click OF cl_gui_alv_grid
    IMPORTING e_row
              e_column
              es_row_no,
*-- To be triggered before user commands
    before_user_command
    FOR EVENT before_user_command OF cl_gui_alv_grid
    IMPORTING e_ucomm,
*-- To be triggered after user commands
    after_user_command
    FOR EVENT after_user_command OF cl_gui_alv_grid
    IMPORTING e_ucomm
              e_saved
              e_not_processed,
*-- Controling data changes where ALV grid is changeable
    data_changed
    FOR EVENT data_changed OF cl_gui_alv_grid
    IMPORTING er_data_changed
              e_onf4
              e_onf4_before
              e_onf4_after
              e_ucomm,
*-- To be triggered after data change has been finished
    data_changed_finished
    FOR EVENT data_changed_finished OF cl_gui_alv_grid
    IMPORTING e_modified
              et_good_cells,
*-- To control menu buttons
    menu_button
    FOR EVENT menu_button OF cl_gui_alv_grid
    IMPORTING e_object
              e_ucomm,
*-- To control button clicks
    button_click
    FOR EVENT button_click OF cl_gui_alv_grid
    IMPORTING es_col_id
              es_row_no,
*-- To control AFTER_REFRESH
    after_refresh
    FOR EVENT after_refresh OF cl_gui_alv_grid,
*-- To control  HANDLE_F4
    onf4
    FOR EVENT onf4 OF cl_gui_alv_grid
    IMPORTING e_fieldname
              es_row_no
              er_event_data
              et_bad_cells,
*-- To control ONDROPCOMPLETE
    ondropcomplete
    FOR EVENT ondropcomplete OF cl_gui_alv_grid
    IMPORTING e_row
              e_column
              es_row_no
              e_dragdropobj,
*-- To control Context Menu
    context_menu_request
    FOR EVENT context_menu_request OF cl_gui_alv_grid
    IMPORTING e_object.
  PRIVATE SECTION.

ENDCLASS.   "LCL_EVENT_HANDLER DEFINITION"
*----------------------------------------------------------------------*
*       CLASS lcl_event_handler IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS lcl_event_handler IMPLEMENTATION.
*-- Handle toolbar
  METHOD toolbar.
    PERFORM frm_alv_toolbar IN PROGRAM (sy-repid) USING e_object e_interactive IF FOUND.
  ENDMETHOD.                    "handle_toolbar"
*-- Handle user command
  METHOD user_command.
    PERFORM frm_alv_user_command IN PROGRAM (sy-repid) USING e_ucomm IF FOUND.
  ENDMETHOD.                    "handle_user_command"
*-- Handle hotspot click
  METHOD hotspot_click.
    PERFORM frm_alv_hotspot_click IN PROGRAM (sy-repid) 
                                     USING e_row_id e_column_id es_row_no IF FOUND.
  ENDMETHOD.                    "handle_hotspot_click"
*-- Handle double click
  METHOD double_click.
    PERFORM frm_alv_double_click IN PROGRAM (sy-repid) USING e_row e_column es_row_no IF FOUND.
  ENDMETHOD.                    "handle_double_click"
*-- Handle before user command
  METHOD before_user_command.
    PERFORM frm_alv_before_user_command IN PROGRAM (sy-repid) USING e_ucomm IF FOUND.
  ENDMETHOD.                    "handle_before_user_command"
*-- Handle after user command
  METHOD after_user_command.
    PERFORM frm_alv_after_user_command IN PROGRAM (sy-repid) USING e_ucomm e_saved e_not_processed IF FOUND.
  ENDMETHOD.                    "handle_after_user_command"
*-- Handle data changed
  METHOD data_changed.
    PERFORM frm_alv_data_changed IN PROGRAM (sy-repid) USING er_data_changed e_onf4 e_onf4_before e_onf4_after e_ucomm IF FOUND.
  ENDMETHOD.                    "handle data_changed"
*-- Handle data changed finished
  METHOD data_changed_finished.
    PERFORM frm_alv_data_changed_finished IN PROGRAM (sy-repid) USING e_modified et_good_cells IF FOUND.
  ENDMETHOD.                    "handle_data_changed_finished"
*-- Handle menu button
  METHOD menu_button.
    PERFORM frm_alv_menu_button IN PROGRAM (sy-repid) USING e_object e_ucomm IF FOUND.
  ENDMETHOD.                    "handle_menu_button"
*-- Handle button click
  METHOD button_click.
    PERFORM frm_alv_button_click IN PROGRAM (sy-repid) USING es_col_id es_row_no IF FOUND.
  ENDMETHOD.                    "handle_button_click"
*-- Handle after refresh
  METHOD after_refresh.
    PERFORM frm_alv_after_refresh IN PROGRAM (sy-repid) IF FOUND.
  ENDMETHOD.                    "handle_after_refresh"
*-- Handle f4
  METHOD onf4.
    PERFORM frm_alv_onf4 IN PROGRAM (sy-repid) USING e_fieldname es_row_no er_event_data et_bad_cells IF FOUND.
  ENDMETHOD.                    "handle_f4"
*-- Handle ondropcomplete
  METHOD ondropcomplete.
    PERFORM frm_alv_ondropcomplete IN PROGRAM (sy-repid) USING e_row e_column es_row_no e_dragdropobj IF FOUND.
  ENDMETHOD.                    "handle_ondropcomplete"
*-- Handle Context Menu
  METHOD context_menu_request.
    PERFORM frm_alv_context_menu IN PROGRAM (sy-repid) USING e_object IF FOUND.
  ENDMETHOD.                    "handle_ondropcomplete"
ENDCLASS.                "LCL_EVENT_HANDLER IMPLEMENTATION"