【转】自定义ALV控件的工具条按钮

  1 CLASS lcl_event_receiver DEFINITION DEFERRED.
  2
  3 DATA: itab TYPE TABLE OF spfli,
  4      wa TYPE spfli.
  5 DATA: name TYPE scrfname VALUE 'ALV',
  6      container TYPE REF TO cl_gui_custom_container,
  7      alv_grid TYPE REF TO cl_gui_alv_grid.
  8 DATA: event_receiver TYPE REF TO lcl_event_receiver.
  9 DATA: save_ok TYPE sy-ucomm,
 10      ok_code TYPE sy-ucomm.
 11
 12 SELECT * FROM spfli INTO TABLE itab.
 13
 14 CALL SCREEN 100.
 15
 16 *&---------------------------------------------------------------------*
 17 *&      Class LCL_EVENT_RECEIVER
 18 *&---------------------------------------------------------------------*
 19 *       Toolbar and user command event handle
 20 *----------------------------------------------------------------------*
 21 CLASS lcl_event_receiver DEFINITION.
 22   PUBLIC SECTION.
 23    METHODS:
 24       handle_toolbar FOR EVENT toolbar OF cl_gui_alv_grid
 25       IMPORTING e_object e_interactive,
 26       handle_ucomm FOR EVENT user_command OF cl_gui_alv_grid
 27       IMPORTING e_ucomm.
 28 ENDCLASS.              "LCL_EVENT_RECEIVER
 29
 30 *&---------------------------------------------------------------------*
 31 *&      Class (Implementation)  lcl_event_receiver
 32 *&---------------------------------------------------------------------*
 33 *       Toolbar and user command event handle
 34 *----------------------------------------------------------------------*
 35 CLASS lcl_event_receiver IMPLEMENTATION.
 36   METHOD handle_toolbar.
 37     DATA: utoolbar TYPE stb_button.
 38    utoolbar-function = 'SHOW'.
 39    utoolbar-icon = icon_ppe_vnode.
 40    utoolbar-text = 'Show data info'.
 41    utoolbar-quickinfo = 'Detail data info'.
 42     APPEND utoolbar TO e_object->mt_toolbar.
 43  ENDMETHOD.                   "handle_toolbar
 44   METHOD handle_ucomm.
 45     DATA rowid_t TYPE lvc_t_row.
 46     DATA temp TYPE lvc_s_row.
 47     CASE e_ucomm.
 48      WHEN 'SHOW'.
 49        CALL METHOD alv_grid->get_selected_rows
 50          IMPORTING
 51            et_index_rows = rowid_t .
 52        IF sy-subrc = 0.
 53          PERFORM get_selected_row_info
 54                      TABLES
 55                         rowid_t.
 56        ENDIF.
 57    ENDCASE.
 58  ENDMETHOD.                   "handle_ucomm
 59 ENDCLASS.              "lcl_event_receiver
 60
 61 *&---------------------------------------------------------------------*
 62 *&     Form  get_selected_row_info
 63 *&---------------------------------------------------------------------*
 64 *      Get_selected_row_info
 65 *----------------------------------------------------------------------*
 66 *     -->ROWINFO   text
 67 *----------------------------------------------------------------------*
 68 FORM get_selected_row_info TABLES rowinfo TYPE lvc_t_row.
 69   DATA rowid_s TYPE lvc_s_row.
 70   DATA: str TYPE string,
 71        step VALUE '-' .
 72   LOOP AT rowinfo INTO rowid_s.
 73     READ TABLE itab INTO wa INDEX rowid_s-index.
 74     CONCATENATE wa-carrid wa-connid wa-cityfrom wa-cityto INTO str SEPARATED BY step.
 75     MESSAGE i001(zmess) WITH str.
 76   ENDLOOP.
 77 ENDFORM.                   "get_selected_row_info
 78
 79 MODULE status_0100 OUTPUT.
 80   IF container IS INITIAL.
 81     CREATE OBJECT container
 82      EXPORTING
 83        container_name = name.
 84     CREATE OBJECT alv_grid
 85      EXPORTING
 86        i_parent = container.
 87     CALL METHOD alv_grid->set_table_for_first_display
 88      EXPORTING
 89        i_structure_name = 'SPFLI'
 90      CHANGING
 91        it_outtab       = itab.
 92 *   Create and set event
 93     CREATE OBJECT event_receiver.
 94     SET HANDLER event_receiver->handle_toolbar FOR alv_grid.
 95     SET HANDLER event_receiver->handle_ucomm FOR alv_grid.
 96 *   Set interaction
 97     CALL METHOD alv_grid->set_toolbar_interactive.
 98   ENDIF.
 99 ENDMODULE.                " STATUS_0100  OUTPUT
100
101 MODULE user_command_0100 INPUT.
102   save_ok = ok_code.
103   CLEAR ok_code.
104   CASE save_ok.
105     WHEN 'EXIT'.
106      LEAVE PROGRAM.
107   ENDCASE.
108 ENDMODULE.                " USER_COMMAND_0100  INPUT

增加自定义按钮的结构如下:

FUNCTION                     功能代码
BUTN_TYPE                 按钮类型
                                              可用的按钮类型:
                                                 0 Button(normal)
                                                 1 Menu and default button
                                                 2 Menu
                                                 3 分割符
                                                 4 Radio button
                                                 5 Checkbox
                                                 6 Menu entry
ICON                          按钮图标(可选)
TEXT                         按钮文本(可选)
QUICKINFO               按钮的悬停文本(可选)
DISABLED                 灰化