ALV Control Sample

Question

I have already inspected the ALV Control sample code in
BCALVEDIT*. But it is too difficult for me. Since, i'm beginner of ABAP. Is there any sample code for just insert row of data and edit field via ALV.
Finally, thank you expert !!

Answer 1

Hi Chun,
Check out the following code.
REPORT  ZTEST1234    MESSAGE-ID ZZ                           .
DATA: G_GRID TYPE REF TO CL_GUI_ALV_GRID,  "First
      G_GRID1 TYPE REF TO CL_GUI_ALV_GRID. "Second
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: OK_CODE LIKE SY-UCOMM,
      SAVE_OK LIKE SY-UCOMM,
      G_CONTAINER1 TYPE SCRFNAME VALUE 'TEST', "First Container
      G_CONTAINER2 TYPE SCRFNAME VALUE 'TEST1',"Second container
      GS_LAYOUT TYPE LVC_S_LAYO.
DATA:BEGIN OF  ITAB OCCURS 0,
     VBELN LIKE LIKP-VBELN,
     POSNR LIKE LIPS-POSNR,
     LFDAT like lips-vfdat,
     BOX(1),
     END OF ITAB.
      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,
**Handler to Check the Data Change
    HANDLE_DATA_CHANGED FOR EVENT DATA_CHANGED
                         OF CL_GUI_ALV_GRID
                         IMPORTING ER_DATA_CHANGED
                                   E_ONF4
                                   E_ONF4_BEFORE
                                   E_ONF4_AFTER,**Double Click Handler
    HANDLE_DOUBLE_CLICK FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
                                     IMPORTING E_ROW E_COLUMN ES_ROW_NO.
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'.
  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'.
      MESSAGE I000 WITH 'Click on POSNR row number '  E_ROW.
      "with this row num you can get the data
    ENDIF.
  ENDMETHOD.                    "handle_double_click
**Handle Data Change
  METHOD HANDLE_DATA_CHANGED.
    CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY
      EXCEPTIONS
        FINISHED = 1
        OTHERS   = 2.
    IF SY-SUBRC <> 0.
      MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
                 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
  ENDMETHOD.                    "HANDLE_DATA_CHANGED
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
            G_CUSTOM_CONTAINER1 TYPE REF TO CL_GUI_CUSTOM_CONTAINER. "Container2
*- 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.
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.
"First Grid
  CREATE OBJECT G_CUSTOM_CONTAINER
         EXPORTING CONTAINER_NAME = G_CONTAINER1.
  CREATE OBJECT G_GRID
         EXPORTING I_PARENT = G_CUSTOM_CONTAINER.
"Second Grid
  CREATE OBJECT G_CUSTOM_CONTAINER1
         EXPORTING CONTAINER_NAME = G_CONTAINER2.
  CREATE OBJECT G_GRID1
         EXPORTING I_PARENT = G_CUSTOM_CONTAINER1.
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-BOX_FNAME = 'BOX'.
  GS_LAYOUT-CTAB_FNAME = 'CELLCOLOR'.
  CALL METHOD G_GRID->REGISTER_EDIT_EVENT
    EXPORTING
      I_EVENT_ID = CL_GUI_ALV_GRID=>MC_EVT_MODIFIED.
  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->HANDLE_DATA_CHANGED FOR G_GRID.
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.
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.
  CALL METHOD G_GRID->REGISTER_EDIT_EVENT
    EXPORTING
      I_EVENT_ID = CL_GUI_ALV_GRID=>MC_EVT_MODIFIED.
**Calling the Method for ALV output for First Grid
  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[].
**Calling the Method for ALV output for Second Grid
   CALL METHOD G_GRID1->SET_TABLE_FOR_FIRST_DISPLAY
   EXPORTING
     IT_TOOLBAR_EXCLUDING = LT_EXCLUDE
    CHANGING
      IT_FIELDCATALOG      = IT_FIELDCAT
      IT_OUTTAB            = ITAB[].
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 = 'ITAB'.
  X_FIELDCAT-COL_POS    = L_POS.
  X_FIELDCAT-NO_ZERO    = 'X'.
  X_FIELDCAT-EDIT      = 'X'.
  X_FIELDCAT-OUTPUTLEN = '10'.
  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 = 'ITAB'.
  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 = 'Del Date'(015).
  X_FIELDCAT-FIELDNAME = 'LFDAT'.
  X_FIELDCAT-TABNAME = 'ITAB'.
  X_FIELDCAT-COL_POS    = L_POS.
  X_FIELDCAT-OUTPUTLEN = '10'.
  APPEND X_FIELDCAT TO IT_FIELDCAT.
  CLEAR X_FIELDCAT.
  L_POS = L_POS + 1.
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
Regards,
Amit Mishra