Problem while working wwith tree control

Question

hi all
i am working with tree control the prolems i have been facing are
i am not able o get the event for a single click on the tree node .
i am displaying the purchase order in the tree and once i select on sinlge click a purchase order ,now i want to create the sales order on the another screen and once i click on the button it should call another screen on which i have to create the sales order ,
please help

Answer 1

hi gandhivarun,
i am posting the code which will give idea on Tree display.
REPORT  ZALVGRID_PG.
TABLES: SSCRFIELDS.
DATA: V_BELNR TYPE RBKP-BELNR.
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS: IRNO FOR V_BELNR.
PARAMETERS: P_GJAHR TYPE RBKP-GJAHR.
SELECTION-SCREEN END OF BLOCK B1.
DATA: WA TYPE ZALVGRID_DISPLAY,
      ITAB TYPE STANDARD TABLE OF ZALVGRID_DISPLAY.
DATA: IDENTITY TYPE REF TO CL_GUI_CUSTOM_CONTAINER.
DATA: GRID TYPE REF TO CL_GUI_ALV_GRID.
DATA: L_IDENTITY TYPE REF TO CL_GUI_CUSTOM_CONTAINER.
DATA: L_TREE TYPE REF TO CL_GUI_ALV_TREE_SIMPLE.
TYPE-POOLS: SLIS,SDYDO.
DATA: L_LOGO TYPE SDYDO_VALUE,
      L_LIST TYPE SLIS_T_LISTHEADER.
END-OF-SELECTION.
CLASS CL_LC DEFINITION.
  PUBLIC SECTION.
    METHODS: DC FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID IMPORTING E_ROW E_COLUMN.
ENDCLASS.
CLASS CL_LC IMPLEMENTATION.
  METHOD DC.
    DATA: WA1 TYPE ZALVGRID_DISPLAY.
    READ TABLE ITAB INTO WA1 INDEX E_ROW-INDEX.
    BREAK-POINT.
    SET PARAMETER ID 'BLN' FIELD WA1-BELNR.
    CALL TRANSACTION 'FB02'.
  ENDMETHOD.                    "DC
ENDCLASS.
DATA: OBJ_CL TYPE REF TO CL_LC.
START-OF-SELECTION.
  PERFORM SELECT_DATA.
  IF SY-SUBRC = 0.
    CALL SCREEN 100.
  ELSE.
    MESSAGE E000(0) WITH 'DATA NOT FOUND'.
  ENDIF.
  INCLUDE ZALVGRID_PG_STATUS_0100O01.
  INCLUDE ZALVGRID_PG_LOGOSUBF01.
  INCLUDE ZALVGRID_PG_SELECT_DATAF01.
INCLUDE ZALVGRID_PG_USER_COMMAND_01I01.
***INCLUDE ZALVGRID_PG_STATUS_0100O01 .
MODULE STATUS_0100 OUTPUT.
  SET PF-STATUS 'AB'.
*  SET TITLEBAR 'xxx'.
  IF IDENTITY IS INITIAL.
    CREATE OBJECT IDENTITY
    EXPORTING
      CONTAINER_NAME = 'ALVCONTROL'.
    CREATE OBJECT GRID
    EXPORTING
      I_PARENT = IDENTITY.
    CALL METHOD GRID->SET_TABLE_FOR_FIRST_DISPLAY
      EXPORTING
         I_STRUCTURE_NAME              = 'ZALVGRID_DISPLAY'
      CHANGING
        IT_OUTTAB                     = ITAB.
    CREATE OBJECT OBJ_CL.
    SET HANDLER OBJ_CL->DC FOR GRID.
    ENDIF.
    IF L_IDENTITY IS INITIAL.
      CREATE OBJECT L_IDENTITY
      EXPORTING
        CONTAINER_NAME = 'LOGO'
      CREATE OBJECT L_TREE
      EXPORTING
        I_PARENT = L_IDENTITY.
      PERFORM LOGOSUB USING L_LOGO.
      CALL METHOD L_TREE->CREATE_REPORT_HEADER
        EXPORTING
          IT_LIST_COMMENTARY    = L_LIST
          I_LOGO                = L_LOGO.
     ENDIF    .
ENDMODULE.                 " STATUS_0100  OUTPUT
***INCLUDE ZALVGRID_PG_LOGOSUBF01 .
FORM LOGOSUB  USING    P_L_LOGO.
  P_L_LOGO = 'ERPLOGO'.
ENDFORM.                    " LOGOSUB
***INCLUDE ZALVGRID_PG_SELECT_DATAF01 .
FORM SELECT_DATA .
  SELECT RBKP~BELNR
         RBKP~BLDAT
         RSEG~BUZEI
         RSEG~MATNR
         INTO TABLE ITAB
         FROM RBKP INNER JOIN RSEG
    ON RBKP~BELNR = RSEG~BELNR
    WHERE RBKP~BELNR IN IRNO
    AND RBKP~GJAHR = P_GJAHR.
ENDFORM.                    " SELECT_DATA
***INCLUDE ZALVGRID_PG_USER_COMMAND_01I01 .
  CASE SY-UCOMM.
    WHEN 'EXIT'.
      LEAVE PROGRAM.
    WHEN 'CANCEL'.
       EXIT.
       ENDCASE.
ENDMODULE.                 " USER_COMMAND_0100  INPUT
Warm Ragrds,
PavanKumar.G
Edited by: pavankumar.g on Jan 30, 2012 11:02 AM