REPORT  z15_25.

DATA : gt_emplist LIKE zemplist OCCURS 0 WITH HEADER LINE.

DATA : con1_ref    TYPE REF TO    cl_gui_custom_container.
DATA : g_grid      TYPE REF TO    cl_gui_alv_grid.
DATA : gs_variant  TYPE disvariant.
DATA : gs_layout   TYPE lvc_s_layo.
DATA : gt_toolbar  TYPE ui_functions.
DATA : gt_sort     TYPE lvc_t_sort.
DATA : gt_fieldcat TYPE lvc_t_fcat.
DATA : gt_modified_rows TYPE STANDARD TABLE OF zemplist.

DATA : ok_code  TYPE sy-ucomm.

TYPE-POOLS: icon.
*----------------------------------------------------------------------*
*       CLASS lcl_event_receiver DEFINITION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_event_receiver DEFINITION.
  PUBLIC SECTION.
    METHODS : handle_toolbar
      FOR EVENT toolbar OF cl_gui_alv_grid
      IMPORTING e_object e_interactive.

    METHODS : handle_command
      FOR EVENT user_command OF cl_gui_alv_grid
      IMPORTING e_ucomm.

    METHODS:
      handle_data_changed
        FOR EVENT data_changed OF cl_gui_alv_grid
        IMPORTING er_data_changed.

ENDCLASS.                    "lcl_event_receiver DEFINITION

*----------------------------------------------------------------------*
*       CLASS lcl_event_receiver IMPLEMENTATION
*----------------------------------------------------------------------*
*
*----------------------------------------------------------------------*
CLASS lcl_event_receiver IMPLEMENTATION.
  METHOD handle_toolbar.

    DATA: ls_toolbar  TYPE stb_button.

    CLEAR ls_toolbar.
    ls_toolbar-butn_type = 3.
    APPEND ls_toolbar    TO e_object->mt_toolbar.

    CLEAR ls_toolbar.
    ls_toolbar-function  = 'RESH'.
    ls_toolbar-icon      = icon_refresh.
    ls_toolbar-quickinfo = 'Refresh'.
    ls_toolbar-text      = ' '.
    ls_toolbar-disabled  = ' '.
    APPEND ls_toolbar    TO e_object->mt_toolbar.

  ENDMETHOD.                    "handle_toolbar

  METHOD handle_command.
    DATA : l_scroll TYPE lvc_s_stbl.

    CASE e_ucomm.
      WHEN 'RESH'.
        SELECT *
          FROM zemplist
          INTO TABLE @gt_emplist.
        l_scroll-row = 'X'.
        l_scroll-col = 'X'.

        CALL METHOD g_grid->refresh_table_display
          EXPORTING
            i_soft_refresh = ''
            is_stable      = l_scroll.
    ENDCASE.
  ENDMETHOD.                    "handle_command

  METHOD handle_data_changed.
    DATA:
      ls_emplist TYPE zemplist,
      ls_outtab  LIKE LINE OF gt_emplist.

    FIELD-SYMBOLS: <fs> TYPE table.

    ASSIGN er_data_changed->mp_mod_rows->* TO <fs>.
    LOOP AT <fs> INTO ls_outtab.
      MOVE-CORRESPONDING ls_outtab TO ls_emplist.
      APPEND ls_emplist TO gt_modified_rows.
    ENDLOOP.

  ENDMETHOD.                    "handle_data_changed

ENDCLASS.                    "lcl_event_receiver IMPLEMENTATION


PARAMETERS: p_vari LIKE disvariant-variant.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_vari.
  gs_variant-report = sy-repid.
  CALL FUNCTION 'REUSE_ALV_VARIANT_F4'
    EXPORTING
      is_variant    = gs_variant
      i_save        = 'A'
    IMPORTING
      es_variant    = gs_variant
    EXCEPTIONS
      not_found     = 1
      program_error = 2
      OTHERS        = 3.

  IF sy-subrc EQ 0.
    p_vari = gs_variant-variant.
  ENDIF.

START-OF-SELECTION.
  SELECT *
    FROM zemplist
    INTO TABLE @gt_emplist.

  CALL SCREEN 100.


*&---------------------------------------------------------------------*
*&      Module  INIT_CON  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE init_con OUTPUT.
  IF con1_ref IS INITIAL.
    CREATE OBJECT con1_ref
      EXPORTING
        container_name = 'CON1'.

    CREATE OBJECT g_grid
      EXPORTING
        i_parent = con1_ref.


  ENDIF.


  gs_variant-report = sy-repid.
  gs_variant-username = sy-uname.

  PERFORM setting_layout CHANGING gs_layout.
  PERFORM setting_toolbar.
  PERFORM setting_sort.
  PERFORM getting_catalog.
  PERFORM setting_catalog.
  PERFORM setting_dropdown.

  DATA: event_receiver TYPE REF TO lcl_event_receiver.

  CREATE OBJECT event_receiver.
  SET HANDLER event_receiver->handle_data_changed FOR g_grid.

  CALL METHOD g_grid->register_edit_event
    EXPORTING
      i_event_id = cl_gui_alv_grid=>mc_evt_modified.

  CALL METHOD g_grid->register_edit_event
    EXPORTING
      i_event_id = cl_gui_alv_grid=>mc_evt_enter.

  CALL METHOD g_grid->set_table_for_first_display
    EXPORTING
*     i_structure_name     = 'ZEMPLIST'
      is_variant           = gs_variant
      i_save               = 'A'
      i_default            = ''
      is_layout            = gs_layout
      it_toolbar_excluding = gt_toolbar
    CHANGING
      it_outtab            = gt_emplist[]
      it_fieldcatalog      = gt_fieldcat
      it_sort              = gt_sort.

ENDMODULE.                 " INIT_CON  OUTPUT
*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.

  CASE sy-ucomm.
    WHEN 'BACK' OR 'EXIT' OR 'CANC'.
      LEAVE TO SCREEN 0.
    WHEN 'SAVE'.
      DATA: l_valid TYPE c.
      CALL METHOD g_grid->check_changed_data
        IMPORTING
          e_valid = l_valid.

      IF l_valid IS NOT INITIAL.
        PERFORM update_database.
      ENDIF.

  ENDCASE.

ENDMODULE.                 " USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*&      Module  STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
  SET PF-STATUS '100_STATUS'.
*  SET TITLEBAR 'xxx'.

ENDMODULE.                 " STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*&      Form  SETTING_LAYOUT
*&---------------------------------------------------------------------*
FORM setting_layout   CHANGING  p_layout TYPE lvc_s_layo.

  p_layout-cwidth_opt = 'X'.  "칼럼 길이 자동조절

  p_layout-grid_title = 'Drop Down List Test'.
  "타이틀 바

  p_layout-sel_mode = 'B'.  "선택모드 : 멀티 선택 가능

  p_layout-zebra      = 'X'.  "Sripe 속성 지정
*  p_layout-edit = 'X'.
ENDFORM.                    " setting_layout
*&---------------------------------------------------------------------*
*&      Form  SETTING_TOOLBAR
*&---------------------------------------------------------------------*
FORM setting_toolbar .
  DATA: l_exclude TYPE ui_func.

  l_exclude =  cl_gui_alv_grid=>mc_fc_save_variant.
  APPEND l_exclude TO gt_toolbar.

  l_exclude = cl_gui_alv_grid=>mc_fc_maintain_variant.
  APPEND l_exclude TO gt_toolbar.

ENDFORM.                    " SETTING_TOOLBAR
*&---------------------------------------------------------------------*
*&      Form  SETTING_SORT
*&---------------------------------------------------------------------*
FORM setting_sort .
  DATA : ls_sort TYPE lvc_s_sort.

  ls_sort-spos = '1'.
  ls_sort-fieldname = 'EMPCD'.
  ls_sort-up = 'X'.
  ls_sort-subtot = 'X'.
  APPEND ls_sort TO gt_sort.

ENDFORM.                    " SETTING_SORT
*&---------------------------------------------------------------------*
*&      Form  SETTING_CATALOG
*&---------------------------------------------------------------------*
FORM setting_catalog .
  DATA: ls_fieldcat TYPE lvc_s_fcat.

  LOOP AT gt_fieldcat INTO ls_fieldcat.
    IF ls_fieldcat-fieldname EQ 'PSTION'.
      ls_fieldcat-edit = 'X'.
      ls_fieldcat-drdn_hndl = '1'.
      ls_fieldcat-drdn_alias = 'X'.
      MODIFY gt_fieldcat FROM ls_fieldcat.
    ENDIF.
  ENDLOOP.

ENDFORM.                    " setting_catalog
*&---------------------------------------------------------------------*
*&      Form  GETTING_CATALOG
*&---------------------------------------------------------------------*
FORM getting_catalog .
  DATA : lt_fieldcat TYPE kkblo_t_fieldcat.

  CALL FUNCTION 'K_KKB_FIELDCAT_MERGE'
    EXPORTING
      i_callback_program = sy-repid
      i_tabname          = 'GT_EMPLIST'
      i_inclname         = sy-repid
    CHANGING
      ct_fieldcat        = lt_fieldcat[].

  IF sy-subrc EQ 0.
    CALL FUNCTION 'LVC_TRANSFER_FROM_KKBLO'
      EXPORTING
        it_fieldcat_kkblo = lt_fieldcat[]
      IMPORTING
        et_fieldcat_lvc   = gt_fieldcat[].
  ENDIF.

ENDFORM.                    " GETTING_CATALO
*&---------------------------------------------------------------------*
*&      Form  UPDATE_DATABASE
*&---------------------------------------------------------------------*
FORM update_database .
  MODIFY zemplist FROM TABLE gt_modified_rows.
  IF sy-subrc EQ 0.
    MESSAGE 'SAVE OK' TYPE 'I'.
  ENDIF.
ENDFORM.                    " UPDATE_DATABASE
*&---------------------------------------------------------------------*
*&      Form  SETTING_DROPDOWN
*&---------------------------------------------------------------------*
FORM setting_dropdown .
  DATA: lt_dropdown TYPE lvc_t_dral,
        ls_dropdown TYPE lvc_s_dral.

  ls_dropdown-handle = '1'.
  ls_dropdown-value = '상무'.
  APPEND ls_dropdown TO lt_dropdown.

  ls_dropdown-handle = '1'.
  ls_dropdown-value = '부장'.
  APPEND ls_dropdown TO lt_dropdown.

  ls_dropdown-handle = '1'.
  ls_dropdown-value = '과장'.
  APPEND ls_dropdown TO lt_dropdown.

  CALL METHOD g_grid->set_drop_down_table
    EXPORTING
      it_drop_down_alias = lt_dropdown.

ENDFORM.                    " setting_dropdown