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  • alv行可编辑时带出描述

    ALV显示可以编辑的状态下可以带出描述信息等,比如维护表程序输入公司代码时需要带出公司代码的描述,这时就需要通过下面事件来触发

    定义一个类:

    CLASS lcl_event_receiver DEFINITION.
    
      PUBLIC SECTION.
    
        METHODS:handle_data_changed
          FOR EVENT data_changed OF cl_gui_alv_grid
          IMPORTING er_data_changed.
    
    ENDCLASS. 
    定义此类一个方法

    CLASS
    lcl_event_receiver IMPLEMENTATION. *--DATA_CHANGED METHOD handle_data_changed. PERFORM handle_data_changed CHANGING er_data_changed. ENDMETHOD. "HANDLE_CHANGED_DATA ENDCLASS.

    定义类的引用:

    ***带出描述
    DATA: g_event_receiver   TYPE REF TO lcl_event_receiver.
        CREATE OBJECT g_event_receiver.
        SET HANDLER g_event_receiver->handle_data_changed FOR gr_alvgrid.
        
        ***带出描述
        CALL METHOD gr_alvgrid->register_edit_event
          EXPORTING
            i_event_id = cl_gui_alv_grid=>mc_evt_modified.

    类的方法form

    FORM handle_data_changed  CHANGING ir_data_changed
                                       TYPE REF TO cl_alv_changed_data_protocol.
      DATA: ls_mod_cell TYPE lvc_s_modi,
            lv_value    TYPE lvc_value,
            l_name1     TYPE zbwppt004-zplct.
    
    ***得到生产线描述
      LOOP AT ir_data_changed->mt_mod_cells
                               INTO ls_mod_cell.
        IF ls_mod_cell-fieldname = 'ZKPLC'.
          CALL METHOD ir_data_changed->get_cell_value     ”方法gt_cell_value用户获取所要的单元格数据
            EXPORTING
              i_row_id    = ls_mod_cell-row_id    “单元格的ID
              i_fieldname = 'ZKPLC'               "单元格的字段
            IMPORTING
              e_value     = lv_value.             "单元格的字段值
    
          IF lv_value IS NOT INITIAL.
    
            SELECT SINGLE zplct                  "根据取到的单元格字段值取得改字段的描述赋给变量l_name1
              INTO l_name1
              FROM zbwppt004
             WHERE zkplc = lv_value.
    
            CALL METHOD ir_data_changed->modify_cell  "修改单元格的值的方法
              EXPORTING
                i_row_id    = ls_mod_cell-row_id      ”单元格的ID
                i_fieldname = 'ZPLCT'                 "单元格的字段
                i_value     = l_name1.                “单元格的字段值是刚才得到的变量l_name1
          ELSE.
            CALL METHOD ir_data_changed->modify_cell
              EXPORTING
                i_row_id    = ls_mod_cell-row_id
                i_fieldname = 'ZPLCT'
                i_value     = ''.
          ENDIF.
        ENDIF.
        CLEAR lv_value.
      ENDLOOP.
    
    ENDFORM.  
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  • 原文地址:https://www.cnblogs.com/caizjian/p/3540704.html
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