ALV with List Box 

 

 

 

The post displays alv with SPFLI table and one additional field for list box. So created a structure with include structure ‘SPFLI’ and an extra field as SIGNAL.

Create a program as below code:

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DATA: lr_grid  TYPE REF TO cl_gui_alv_grid,
              lt_fcat  TYPE lvc_t_fcat,
               lt_spfli TYPE TABLE OF ztest_s_spfli,
               lt_dd    TYPE lvc_t_drop.

START-OF-SELECTION.
  CALL SCREEN 0001.
&———————————————————————
&      Module  DISPLAY_ALV  OUTPUT
*&———————————————————————
MODULE display_alv OUTPUT.
  IF lr_grid IS NOT BOUND.

    CREATE OBJECT lr_grid
      EXPORTING
        i_parent = cl_gui_container=>screen0.
    SELECT * FROM spfli INTO CORRESPONDING FIELDS OF TABLE lt_spfli.

    CALL FUNCTION ‘LVC_FIELDCATALOG_MERGE’
      EXPORTING
        i_structure_name = ‘ZTEST_S_SPFLI’
      CHANGING
        ct_fieldcat      = lt_fcat.

* Enable field for drop down
    LOOP AT lt_fcat ASSIGNING FIELD–SYMBOL(<fs_fcat>).
      CASE <fs_fcat>–fieldname.
        WHEN ‘SIGNAL’.
          <fs_fcat>–edit = abap_true.
          <fs_fcat>–drdn_hndl = ‘1’.
          <fs_fcat>–outputlen = 8.
        WHEN OTHERS.
      ENDCASE.
    ENDLOOP.

* prepare the dropdown table
    DO 4 TIMES.
      APPEND INITIAL LINE TO lt_dd ASSIGNING FIELD–SYMBOL(<fs_dd>).
      <fs_dd>–handle = ‘1’.
      IF sy–index = 1.
        <fs_dd>–value = ‘ ‘.
      ELSEIF  sy–index = 2.
        <fs_dd>–value = ‘Green’.
      ELSEIF  sy–index = 3.
        <fs_dd>–value = ‘Yellow’.
      ELSEIF  sy–index = 4.
        <fs_dd>–value = ‘Red’.
      ENDIF.
    ENDDO.
* Set the drop down table
    CALL METHOD lr_grid->set_drop_down_table
      EXPORTING
        it_drop_down = lt_dd.

    CALL METHOD lr_grid->set_table_for_first_display
      CHANGING
        it_outtab       = lt_spfli
        it_fieldcatalog = lt_fcat.
  ENDIF.
ENDMODULE.

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Screen flow logic.

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Output: SIGNAL field with list box

 

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