Listbox in alv grid output -Possible?

Question

Can List box or drop down box can be placed in ALV Grid(Using FM) Ouput for a field .
please clarify

Answer 1

Check thse two examples.
BCALV_EDIT_06
BCALV_EDIT_07
check the steps..
Re: Dopdown Listbox in ALV Grid OO Concept
and also Check this code.
also check the below threads...
List Box in ALV Grid
In ALV  list box
Dropdown list  in ALV
Hope it will solve your problem..
Thanks & Regards
ilesh 24x7
REPORT  ZTEST1234_ALV_TOP    MESSAGE-ID ZZ                           .
DATA: G_GRID TYPE REF TO CL_GUI_ALV_GRID.
DATA: L_VALID TYPE C,
      V_FLAG,
      V_DATA_CHANGE,
      V_ROW TYPE LVC_S_ROW,
      V_COLUMN TYPE LVC_S_COL,
      V_ROW_NUM TYPE LVC_S_ROID.
DATA: IT_ROW_NO TYPE LVC_T_ROID,
      X_ROW_NO TYPE LVC_S_ROID.
DATA:BEGIN OF  ITAB OCCURS 0,
     VBELN LIKE LIKP-VBELN,
     POSNR LIKE LIPS-POSNR,
     CELLCOLOR TYPE LVC_T_SCOL, "required for color
     DROP(10),
     END OF ITAB.
"The Below Definitions Must.....
DATA:
* Reference to document
       DG_DYNDOC_ID       TYPE REF TO CL_DD_DOCUMENT,
* Reference to split container
       DG_SPLITTER          TYPE REF TO CL_GUI_SPLITTER_CONTAINER,
* Reference to grid container
       DG_PARENT_GRID     TYPE REF TO CL_GUI_CONTAINER,
* Reference to html container
       DG_HTML_CNTRL        TYPE REF TO CL_GUI_HTML_VIEWER,
* Reference to html container
       DG_PARENT_HTML     TYPE REF TO CL_GUI_CONTAINER.
"up to here
*       CLASS lcl_event_handler DEFINITION
CLASS LCL_EVENT_HANDLER DEFINITION .
  PUBLIC SECTION .
    METHODS:
**Hot spot Handler
    HANDLE_HOTSPOT_CLICK FOR EVENT HOTSPOT_CLICK OF CL_GUI_ALV_GRID
                      IMPORTING E_ROW_ID E_COLUMN_ID ES_ROW_NO,
**Double Click Handler
    HANDLE_DOUBLE_CLICK FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
                                     IMPORTING E_ROW E_COLUMN ES_ROW_NO,
    TOP_OF_PAGE FOR EVENT TOP_OF_PAGE              "event handler
                         OF CL_GUI_ALV_GRID
                         IMPORTING E_DYNDOC_ID.
*        END_OF_LIST FOR EVENT end_of_list              "event handler
*                         OF CL_GUI_ALV_GRID
*                         IMPORTING E_DYNDOC_ID.
ENDCLASS.                    "lcl_event_handler DEFINITION
*       CLASS lcl_event_handler IMPLEMENTATION
CLASS LCL_EVENT_HANDLER IMPLEMENTATION.
*Handle Hotspot Click
  METHOD HANDLE_HOTSPOT_CLICK .
    CLEAR: V_ROW,V_COLUMN,V_ROW_NUM.
    V_ROW  = E_ROW_ID.
    V_COLUMN = E_COLUMN_ID.
    V_ROW_NUM = ES_ROW_NO.
*    MESSAGE I000 WITH V_ROW 'clicked'.
    CLEAR IT_ROW_NO[].
    X_ROW_NO-ROW_ID = V_ROW.
    APPEND X_ROW_NO TO IT_ROW_NO .
    CALL METHOD G_GRID->SET_SELECTED_ROWS
      EXPORTING
        IT_ROW_NO = IT_ROW_NO.
  ENDMETHOD.                    "lcl_event_handler
*Handle Double Click
  METHOD  HANDLE_DOUBLE_CLICK.
    CLEAR: V_ROW,V_COLUMN,V_ROW_NUM.
    V_ROW  = E_ROW.
    V_COLUMN = E_COLUMN.
    V_ROW_NUM = ES_ROW_NO.
    IF E_COLUMN = 'VBELN'.
      SET PARAMETER ID 'VL' FIELD ITAB-VBELN.
      CALL TRANSACTION 'VL03N' AND SKIP FIRST SCREEN.
    ENDIF.
    IF E_COLUMN = 'POSNR'.
      SET PARAMETER ID 'VL' FIELD ITAB-VBELN.
      CALL TRANSACTION 'VL03N' AND SKIP FIRST SCREEN."
    ENDIF.
  ENDMETHOD.                    "handle_double_click
*  METHOD END_OF_LIST.                   "implementation
** Top-of-page event
*    PERFORM EVENT_TOP_OF_PAGE USING DG_DYNDOC_ID.
*  ENDMETHOD.                            "top_of_page
    METHOD TOP_OF_PAGE.                   "implementation
* Top-of-page event
    PERFORM EVENT_TOP_OF_PAGE USING DG_DYNDOC_ID.
  ENDMETHOD.                            "top_of_page
ENDCLASS.                    "LCL_EVENT_HANDLER IMPLEMENTATION
*&             Global Definitions
DATA:      G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,"Container1
            G_HANDLER TYPE REF TO LCL_EVENT_HANDLER. "handler
DATA: OK_CODE LIKE SY-UCOMM,
      SAVE_OK LIKE SY-UCOMM,
      G_CONTAINER1 TYPE SCRFNAME VALUE 'TEST',
      GS_LAYOUT TYPE LVC_S_LAYO.
data: v_lines type i.
data: v_line(3) type c.
*- Fieldcatalog for First and second Report
DATA: IT_FIELDCAT  TYPE  LVC_T_FCAT,
      X_FIELDCAT TYPE LVC_S_FCAT,
      LS_VARI  TYPE DISVARIANT.
*                START-OF_SELECTION
START-OF-SELECTION.
  SELECT VBELN
         POSNR
         FROM LIPS
         UP TO 20 ROWS
         INTO CORRESPONDING FIELDS OF TABLE ITAB.
describe table itab lines v_lines.
END-OF-SELECTION.
  IF NOT ITAB[] IS INITIAL.
    CALL SCREEN 100.
  ELSE.
    MESSAGE I002 WITH 'NO DATA FOR THE SELECTION'(004).
  ENDIF.
*&      Form  CREATE_AND_INIT_ALV
*       text
FORM CREATE_AND_INIT_ALV .
  DATA: LT_EXCLUDE TYPE UI_FUNCTIONS.
  "attention.....from here
  "split your container here...into two parts
  "create the container
  CREATE OBJECT G_CUSTOM_CONTAINER
           EXPORTING CONTAINER_NAME = G_CONTAINER1.
  "this is for top of page
* Create TOP-Document
  CREATE OBJECT DG_DYNDOC_ID
                   EXPORTING STYLE = 'ALV_GRID'.
* Create Splitter for custom_container
  CREATE OBJECT DG_SPLITTER
             EXPORTING PARENT  = G_CUSTOM_CONTAINER
                       ROWS    = 2
                       COLUMNS = 1.
* Split the custom_container to two containers and move the reference
* to receiving containers g_parent_html and g_parent_grid
  "i am allocating the space for grid and top of page
  CALL METHOD DG_SPLITTER->GET_CONTAINER
    EXPORTING
      ROW       = 1
      COLUMN    = 1
    RECEIVING
      CONTAINER = DG_PARENT_HTML.
  CALL METHOD DG_SPLITTER->GET_CONTAINER
    EXPORTING
      ROW       = 2
      COLUMN    = 1
    RECEIVING
      CONTAINER = DG_PARENT_GRID.
*  CALL METHOD DG_SPLITTER->GET_CONTAINER
*    EXPORTING
*      ROW       = 2
*      COLUMN    = 1
*    RECEIVING
*      CONTAINER = DG_PARENT_HTML.
*  CALL METHOD DG_SPLITTER->GET_CONTAINER
*    EXPORTING
*      ROW       = 1
*      COLUMN    = 1
*    RECEIVING
*      CONTAINER = DG_PARENT_GRID.
  "you can set the height of it
* Set height for g_parent_html
  CALL METHOD DG_SPLITTER->SET_ROW_HEIGHT
    EXPORTING
      ID     = 1
      HEIGHT = 5.
  "from here as usual..you need to specify parent as splitter part
  "which we alloted for grid
  CREATE OBJECT G_GRID
         EXPORTING I_PARENT = DG_PARENT_GRID.
* Set a titlebar for the grid control
  CLEAR GS_LAYOUT.
  GS_LAYOUT-GRID_TITLE = TEXT-003.
  GS_LAYOUT-ZEBRA = SPACE.
  GS_LAYOUT-CWIDTH_OPT = 'X'.
  GS_LAYOUT-NO_ROWMARK = 'X'.
  GS_LAYOUT-CTAB_FNAME = 'CELLCOLOR'.
  CALL METHOD G_GRID->REGISTER_EDIT_EVENT
    EXPORTING
      I_EVENT_ID = CL_GUI_ALV_GRID=>MC_EVT_ENTER.
  CREATE OBJECT G_HANDLER.
  SET HANDLER G_HANDLER->HANDLE_DOUBLE_CLICK FOR G_GRID.
  SET HANDLER G_HANDLER->HANDLE_HOTSPOT_CLICK FOR G_GRID.
*  SET HANDLER G_HANDLER->END_OF_LIST FOR G_GRID.
  SET HANDLER G_HANDLER->TOP_OF_PAGE FOR G_GRID.
  DATA: LS_CELLCOLOR TYPE LVC_S_SCOL. "required for color
  DATA: L_INDEX TYPE SY-TABIX.
  "Here i am changing the color of line 1,5,10...
  "so you can change the color of font conditionally
  LOOP AT ITAB.
    L_INDEX = SY-TABIX.
    IF L_INDEX = 1 OR L_INDEX = 5 OR L_INDEX = 10.
      LS_CELLCOLOR-FNAME = 'VBELN'.
      LS_CELLCOLOR-COLOR-COL = '6'.
      LS_CELLCOLOR-COLOR-INT = '0'.
      LS_CELLCOLOR-COLOR-INV = '1'.
      APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
      MODIFY ITAB INDEX L_INDEX TRANSPORTING CELLCOLOR.
      LS_CELLCOLOR-FNAME = 'POSNR'.
      LS_CELLCOLOR-COLOR-COL = '6'.
      LS_CELLCOLOR-COLOR-INT = '0'.
      LS_CELLCOLOR-COLOR-INV = '1'.
      APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
      MODIFY ITAB INDEX L_INDEX TRANSPORTING CELLCOLOR.
    ENDIF.
  ENDLOOP.
* setting focus for created grid control
  CALL METHOD CL_GUI_CONTROL=>SET_FOCUS
    EXPORTING
      CONTROL = G_GRID.
* Build fieldcat and set editable for date and reason code
* edit enabled. Assign a handle for the dropdown listbox.
  PERFORM BUILD_FIELDCAT.
  PERFORM  SET_DRDN_TABLE.
* Optionally restrict generic functions to 'change only'.
*   (The user shall not be able to add new lines).
  PERFORM EXCLUDE_TB_FUNCTIONS CHANGING LT_EXCLUDE.
**Vaiant to save the layout
  LS_VARI-REPORT      = SY-REPID.
  LS_VARI-HANDLE      = SPACE.
  LS_VARI-LOG_GROUP   = SPACE.
  LS_VARI-USERNAME    = SPACE.
  LS_VARI-VARIANT     = SPACE.
  LS_VARI-TEXT        = SPACE.
  LS_VARI-DEPENDVARS  = SPACE.
**Calling the Method for ALV output
  CALL METHOD G_GRID->SET_TABLE_FOR_FIRST_DISPLAY
    EXPORTING
      IT_TOOLBAR_EXCLUDING = LT_EXCLUDE
      IS_VARIANT           = LS_VARI
      IS_LAYOUT            = GS_LAYOUT
      I_SAVE               = 'A'
    CHANGING
      IT_FIELDCATALOG      = IT_FIELDCAT
      IT_OUTTAB            = ITAB[].
  "do these..{
* Initializing document
  CALL METHOD DG_DYNDOC_ID->INITIALIZE_DOCUMENT.
* Processing events
  CALL METHOD G_GRID->LIST_PROCESSING_EVENTS
    EXPORTING
      I_EVENT_NAME = 'TOP_OF_PAGE'
      I_DYNDOC_ID  = DG_DYNDOC_ID.
  "end }
* Set editable cells to ready for input initially
  CALL METHOD G_GRID->SET_READY_FOR_INPUT
    EXPORTING
      I_READY_FOR_INPUT = 1.
ENDFORM.                               "CREATE_AND_INIT_ALV
*&      Form  EXCLUDE_TB_FUNCTIONS
*       text
*      -->PT_EXCLUDE text
FORM EXCLUDE_TB_FUNCTIONS CHANGING PT_EXCLUDE TYPE UI_FUNCTIONS.
* Only allow to change data not to create new entries (exclude
* generic functions).
  DATA LS_EXCLUDE TYPE UI_FUNC.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_DELETE_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_INSERT_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_MOVE_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_CUT.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE_NEW_ROW.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
  LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_UNDO.
  APPEND LS_EXCLUDE TO PT_EXCLUDE.
ENDFORM.                               " EXCLUDE_TB_FUNCTIONS
*&      Form  build_fieldcat
*       Fieldcatalog
FORM BUILD_FIELDCAT .
  DATA: L_POS TYPE I.
  L_POS = L_POS + 1.
  X_FIELDCAT-SCRTEXT_M = 'Delivery'(024).
  X_FIELDCAT-FIELDNAME = 'VBELN'.
  X_FIELDCAT-TABNAME = 'IT_FINAL'.
  X_FIELDCAT-COL_POS    = L_POS.
  X_FIELDCAT-NO_ZERO    = 'X'.
  X_FIELDCAT-OUTPUTLEN = '10'.
  X_FIELDCAT-HOTSPOT = 'X'.
  APPEND X_FIELDCAT TO IT_FIELDCAT.
  CLEAR X_FIELDCAT.
  L_POS = L_POS + 1.
  X_FIELDCAT-SCRTEXT_M = 'Item'(025).
  X_FIELDCAT-FIELDNAME = 'POSNR'.
  X_FIELDCAT-TABNAME = 'IT_FINAL'.
  X_FIELDCAT-COL_POS    = L_POS.
  X_FIELDCAT-OUTPUTLEN = '5'.
  APPEND X_FIELDCAT TO IT_FIELDCAT.
  CLEAR X_FIELDCAT.
  L_POS = L_POS + 1.
  X_FIELDCAT-SCRTEXT_M = 'Drop'(025).
  X_FIELDCAT-FIELDNAME = 'DROP'.
  X_FIELDCAT-TABNAME = 'IT_FINAL'.
  X_FIELDCAT-COL_POS    = L_POS.
  X_FIELDCAT-OUTPUTLEN = '5'.
  X_FIELDCAT-EDIT = 'X'.
  X_FIELDCAT-DRDN_HNDL = '1'.
  X_FIELDCAT-DRDN_ALIAS = 'X'.
  APPEND X_FIELDCAT TO IT_FIELDCAT.
  CLEAR X_FIELDCAT.
ENDFORM.                    " build_fieldcat
*&      Module  STATUS_0100  OUTPUT
*       text
MODULE STATUS_0100 OUTPUT.
  SET PF-STATUS 'MAIN100'.
  SET TITLEBAR 'MAIN100'.
  IF G_CUSTOM_CONTAINER IS INITIAL.
**Initializing the grid and calling the fm to Display the O/P
    PERFORM CREATE_AND_INIT_ALV.
  ENDIF.
ENDMODULE.                 " STATUS_0100  OUTPUT
*&      Module  USER_COMMAND_0100  INPUT
*       text
MODULE USER_COMMAND_0100 INPUT.
  CASE SY-UCOMM.
    WHEN 'BACK'.
      LEAVE TO SCREEN 0.
  ENDCASE.
ENDMODULE.                 " USER_COMMAND_0100  INPUT
*&      Form  SET_DRDN_TABLE
*       text
FORM SET_DRDN_TABLE.
  DATA:LT_DRAL TYPE LVC_T_DRAL,
        LS_DRAL TYPE LVC_S_DRAL.
  LOOP AT ITAB .
* First listbox (handle '1').
    IF SY-INDEX = 1.
      LS_DRAL-HANDLE = '1'.
      LS_DRAL-VALUE =  ' '.
      LS_DRAL-INT_VALUE =  ' '.
    ELSE.
      LS_DRAL-HANDLE = '1'.
      LS_DRAL-VALUE =  ITAB-POSNR.
      LS_DRAL-INT_VALUE =  ITAB-POSNR.
    ENDIF.
    APPEND LS_DRAL TO LT_DRAL.
  ENDLOOP.
**Setting the Drop down table for Reason Code
  CALL METHOD G_GRID->SET_DROP_DOWN_TABLE
    EXPORTING
      IT_DROP_DOWN_ALIAS = LT_DRAL.
ENDFORM.                               " set_drdn_table
*&      Form  EVENT_TOP_OF_PAGE
*       text
*      -->DG_DYNDOC_ID  text
FORM EVENT_TOP_OF_PAGE USING   DG_DYNDOC_ID TYPE REF TO CL_DD_DOCUMENT.
  "this is more clear.....check it
  "first add text, then pass it to comentry write fm
  DATA : DL_TEXT(255) TYPE C.  "Text
* Populating header to top-of-page
  CALL METHOD DG_DYNDOC_ID->ADD_TEXT
    EXPORTING
      TEXT      = 'Test Report'
      SAP_STYLE = CL_DD_AREA=>HEADING.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
  CLEAR : DL_TEXT.
* Move program ID
  CONCATENATE 'Program Name :' SY-REPID
         INTO DL_TEXT SEPARATED BY SPACE.
* Add Program Name to Document
  PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
  CLEAR : DL_TEXT.
* Move User ID
  CONCATENATE 'User ID :' SY-UNAME INTO DL_TEXT SEPARATED BY SPACE
* Add User ID to Document
  PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
  CLEAR : DL_TEXT.
* Move count (no of records).
  move v_lines to v_line.
  CONCATENATE 'No of records :' v_line INTO DL_TEXT SEPARATED BY SPACE.
* Add Client to Document
  PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
  CLEAR : DL_TEXT.
* Move date
  WRITE SY-DATUM TO DL_TEXT.
  CONCATENATE 'Date :' DL_TEXT INTO DL_TEXT SEPARATED BY SPACE.
* Add Date to Document
  PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
  CLEAR : DL_TEXT.
* Move time
  WRITE SY-UZEIT TO DL_TEXT.
  CONCATENATE 'Time :' DL_TEXT INTO DL_TEXT SEPARATED BY SPACE.
* Add Time to Document
  PERFORM ADD_TEXT USING DL_TEXT.
* Add new-line
  CALL METHOD DG_DYNDOC_ID->NEW_LINE.
* Populating data to html control
  PERFORM HTML.
ENDFORM.                    " EVENT_TOP_OF_PAGE
*&      Form  ADD_TEXT
*       To add Text
FORM ADD_TEXT USING P_TEXT TYPE SDYDO_TEXT_ELEMENT.
* Adding text
  CALL METHOD DG_DYNDOC_ID->ADD_TEXT
    EXPORTING
      TEXT         = P_TEXT
      SAP_EMPHASIS = CL_DD_AREA=>HEADING.
ENDFORM.                    " ADD_TEXT
*&      Form  HTML
*       text
FORM HTML.
  DATA : DL_LENGTH  TYPE I,                           " Length
         DL_BACKGROUND_ID TYPE SDYDO_KEY VALUE SPACE. " Background_id
* Creating html control
  IF DG_HTML_CNTRL IS INITIAL.
    CREATE OBJECT DG_HTML_CNTRL
         EXPORTING
              PARENT    = DG_PARENT_HTML.
  ENDIF.
* Reuse_alv_grid_commentary_set
  CALL FUNCTION 'REUSE_ALV_GRID_COMMENTARY_SET'
    EXPORTING
      DOCUMENT = DG_DYNDOC_ID
      BOTTOM   = SPACE
    IMPORTING
      LENGTH   = DL_LENGTH.
* Get TOP->HTML_TABLE ready
  CALL METHOD DG_DYNDOC_ID->MERGE_DOCUMENT.
* Set wallpaper
  CALL METHOD DG_DYNDOC_ID->SET_DOCUMENT_BACKGROUND
    EXPORTING
      PICTURE_ID = DL_BACKGROUND_ID.
* Connect TOP document to HTML-Control
  DG_DYNDOC_ID->HTML_CONTROL = DG_HTML_CNTRL.
* Display TOP document
  CALL METHOD DG_DYNDOC_ID->DISPLAY_DOCUMENT
    EXPORTING
      REUSE_CONTROL      = 'X'
      PARENT             = DG_PARENT_HTML
    EXCEPTIONS
      HTML_DISPLAY_ERROR = 1.
  IF SY-SUBRC NE 0.
    MESSAGE I999 WITH 'Error in displaying top-of-page'(036).
  ENDIF.
ENDFORM.                    " HTML