OO ALV 用户过滤数据后…

ALV显示后，如果用户做了筛选，然后点击全选或者取消全选，不应该影响过滤掉的数据

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主要代码：

gr_alvgrid  TYPE  REF  TO cl_gui_alv_grid ,  

  METHODhandle_user_command.
 
    DATA: lv_cont            TYPE i,
          lv_tabix           TYPE sy-tabix.
 
        DATA: lt_filtered        TYPE lvc_t_fidx.
 
    CASE e_ucomm.
      WHEN 'ALL'.
        CALL METHOD gr_alvgrid->get_filtered_entries
          IMPORTING
            et_filtered_entries = lt_filtered.
 
        LOOP AT it_tabla INTOwa_tabla.
          lv_tabix = sy-tabix.
          READ TABLE lt_filtered WITH KEYTABLE_LINE = lv_tabix TRANSPORTING NO FIELDS.
          IF sy-subrc NE 0.
            wa_tabla-checkbox = 'X'.
            MODIFYit_tabla FROM wa_tabla INDEX lv_tabix.
          ENDIF.
        ENDLOOP.
 
      WHEN 'NONE'.
        CALL METHOD gr_alvgrid->get_filtered_entries
          IMPORTING
            et_filtered_entries = lt_filtered.
 
        LOOP AT it_tabla INTOwa_tabla.
          lv_tabix = sy-tabix.
          READ TABLE lt_filtered WITH KEYTABLE_LINE = lv_tabix TRANSPORTING NO FIELDS.
          IF sy-subrc NE 0.
            CLEAR  wa_tabla-checkbox.
            MODIFYit_tabla FROM wa_tabla INDEX lv_tabix.
          ENDIF.
        ENDLOOP.
 
    ENDCASE.
 
        CALL METHOD gr_alvgrid->refresh_table_display.
  ENDMETHOD.                           "handle_user_command