SAP:SALV刷新按钮事件

SAP SALV刷新事件

1、主程序

*&---------------------------------------------------------------------*
*& Report  Z17_04
*&
*&---------------------------------------------------------------------*
*& 全屏Classic List模式
*& LIST_DISPLAY : 用SALV显示与传统式REUSE_ALV_LIST_DISPLAY函数输出ALV
*& 一样效果的报表。
*& 36、USER-COMMAND事件是追加在TOOLBAR事件中追加的图标功能的事件。追加当
*&   单击REFRESS按钮时从表SFLIGHT中取得10件数据的逻辑。
*& 问题： 没有搞懂类的定义、实现与子程序之间的顺序 。
*&---------------------------------------------------------------------*REPORT Z17_36.DATA: gt_itab type table of sflight.
DATA: gr_table TYPE REF TO CL_SALV_TABLE.
DATA: gr_function type ref to cl_salv_functions_list." 应用工具栏
DATA: gr_container type ref to cl_gui_custom_container.
DATA: OK_CODE type syucomm.SELECT * FROM  SFLIGHT INTO CORRESPONDING FIELDS OF TABLEgt_itab up to 25 rows.*& #REGION: 用 屏幕100代替
*cl_salv_table=>factory(
*  EXPORTING
*    list_display = abap_true
*  IMPORTING
*    r_salv_table = gr_table
*  CHANGING
*    t_table = gt_itab
*      ).*& #region:  应用工具栏
*gr_function = gr_table->get_functions( ).
*gr_function->set_default( ).
*gr_function->set_all( abap_true ).
*& #endregion:  应用工具栏
**gr_table->display( ).
*& #ENDREGION: 用 屏幕100代替*& 调用自定义的屏幕100
CALL SCREEN 0100.*&---------------------------------------------------------------------*
*& CLASS lcl_handle_events DEFINTION
*&---------------------------------------------------------------------*
CLASS lcl_handle_events DEFINITION.PUBLIC SECTION.methods:on_user_command FOR EVENT added_function of cl_salv_eventsIMPORTING e_salv_function.
ENDCLASS. " lcl_handle_events DEFINITION*&---------------------------------------------------------------------*
*& CLASS lcl_handle_event IMPLEMENTATION
*&---------------------------------------------------------------------*
CLASS lcl_handle_events IMPLEMENTATION.METHOD on_user_command.PERFORM handle_user_command USING e_salv_function.ENDMETHOD. " on_user_command
ENDCLASS. " lcl_handle_events IMPLEMENTATIONDATA: gr_event type ref to lcl_handle_events.data: lr_event TYPE REF TO cl_salv_events_table.  " 定义事件变量*& 屏幕输出后事件 子程序
INCLUDE Z17_36_PBO.
*INCLUDE Z17_35_PBO.
*INCLUDE z17_04_pbo.*& 屏幕的输入前事件 子程序
INCLUDE Z17_36_PAI.
*INCLUDE Z17_35_PAI.
*INCLUDE z17_04_pai.*&---------------------------------------------------------------------*
*&  FORM handle_user_command
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
FORM handle_user_command USING p_function type salv_de_function.CASE p_function .when 'REFRESH'.perform refresh.WHEN OTHERS.ENDCASE.ENDFORM. " handle__user_command.
*&---------------------------------------------------------------------*
*& FORM REFRESH 刷新事件
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
FORM  Refresh.SELECT * FROM SFLIGHTINTO CORRESPONDING FIELDS OF TABLE gt_itabUP TO 10 rows.gr_table->refresh( ).
ENDFORM. " REFRESH FORM.

　　

2、屏幕逻辑流

PROCESS BEFORE OUTPUT.
* MODULE STATUS_0100.MODULE 0100_PBO.
*
PROCESS AFTER INPUT.
* MODULE USER_COMMAND_0100.MODULE 0100_PAI.

　　

3、 PAI 子程序

*----------------------------------------------------------------------*
***INCLUDE Z17_36_PAI.
*----------------------------------------------------------------------*
*&---------------------------------------------------------------------*
*&      Module  0100_PAI  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE 0100_PAI INPUT.CASE OK_CODE.WHEN 'BACK' OR 'EXIT' OR  'CANC'.SET SCREEN 0.LEAVE SCREEN.ENDCASE.
ENDMODULE.                 " 0100_PAI  INPUT

　　

4、 PBO子程序 

*----------------------------------------------------------------------*
***INCLUDE Z17_36_PBO.
*----------------------------------------------------------------------*
*&---------------------------------------------------------------------*
*&      Module  0100_PBO  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE 0100_PBO OUTPUT.SET PF-STATUS '0100'.IF gr_container is not bound.*& 1. Create ContainerCREATE OBJECT gr_containerexportingcontainer_name = 'CONTAINER'.*& 2. CREATE ALVcl_salv_table=>factory(exportingr_container = gr_containercontainer_name = 'CONTAINER'IMPORTINGr_salv_table = gr_tableCHANGINGt_table = gt_itab).*& 3. SET ALV BUTTONgr_function = gr_table->get_functions( ).gr_function->set_all( abap_true ). " 追加ALV所有功能*& 3.1
*& #region: 追加刷新按钮INCLUDE <icon>.DATA: l_icon TYPE string .l_icon = icon_refresh.gr_function->add_function(name = 'REFRESH'icon = l_icontext = 'REFRESH'tooltip = 'REFRESH'position = if_salv_c_function_position=>right_of_salv_functions).
*&
*& #endregion: 追加刷新按钮*& 3.2
*& #REGION: 注册事件
lr_event = gr_table->get_event( ).
Create object gr_event .
SET HANDLER gr_event->on_user_command for lr_event .
*& #ENDREGION: 注册事件*& 4. Call alvgr_table->display( ).ENDIF.
ENDMODULE.                 " 0100_PBO  OUTPUT

　　效果图：