05-12-2006 2:04 PM
Hi All,
How can we use the private & protected methods of CL_GUI_ALV_GRID class in a custom program, a sample code will be helpful.
05-12-2006 2:07 PM
Hai Vijay
try with the following Code( Just copy the code & try with in SE38 Tcode & Execute it that all)
REPORT ZALV_SALES_HEADER_DETAIL MESSAGE-ID Z50650(MSG) .
********************************************************************
TABLES
********************************************************************
TABLES: VBAK . "SALES DOCUMENT HEADER
*********************************************************************
DATA OBJECTS DECLARATION
*********************************************************************
DATA: IT_VBAK TYPE STANDARD TABLE OF ZVBAK_STRUC,
IT_VBAP TYPE STANDARD TABLE OF ZVBAP_STRUC,
GS_LAYOUT TYPE LVC_S_LAYO,
GS1_LAYOUT TYPE LVC_S_LAYO,
GRID TYPE REF TO CL_GUI_ALV_GRID,
CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
VBAK_CONTAINER TYPE REF TO CL_GUI_CONTAINER,
VBAP_CONTAINER TYPE REF TO CL_GUI_CONTAINER,
WA_VBAK LIKE LINE OF IT_VBAK,
WA_VBAP LIKE LINE OF IT_VBAP,
SPLITTER TYPE REF TO CL_GUI_SPLITTER_CONTAINER,
TOP_OF_PAGE_CONTAINER TYPE REF TO CL_GUI_CONTAINER,
GRID_VBAP TYPE REF TO CL_GUI_ALV_GRID,
TOP_PAGE TYPE REF TO CL_DD_DOCUMENT,
FLAG(1).
.
*"EVENT RECIEVER CLASS DEFINITION
CLASS LCL_EVENT_RECIEVER DEFINITION DEFERRED.
DATA: OBJ_EVENT TYPE REF TO LCL_EVENT_RECIEVER.
*********************************************************************
SELECTION-SCREEN
*********************************************************************
SELECTION-SCREEN: BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS: S_VBELN FOR VBAK-VBELN.
PARAMETERS: P_VBTYP LIKE VBAK-VBTYP DEFAULT 'C'.
SELECTION-SCREEN: END OF BLOCK B1.
CLASS DEFINITION AND DECLARATIONS
***********************************************************************
CLASS LCL_EVENT_RECIEVER DEFINITION.
PUBLIC SECTION.
EVENTS:DOUBLE_CLICK,
TOP_OF_PAGE.
METHODS:HANDLE_DOUBLE_CLICK FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
IMPORTING E_ROW .
METHODS: HANDLE_TOP_OF_PAGE FOR EVENT TOP_OF_PAGE OF CL_GUI_ALV_GRID.
ENDCLASS. "LCL_EVENT_RECIEVER DEFINITION
----
CLASS LCL_EVENT_RECIEVER IMPLEMENTATION
----
*
----
CLASS LCL_EVENT_RECIEVER IMPLEMENTATION.
METHOD: HANDLE_DOUBLE_CLICK.
READ TABLE IT_VBAK INDEX E_ROW-INDEX INTO WA_VBAK.
PERFORM FETCH_ITEM_DETAILS USING WA_VBAK.
PERFORM ALV_GRID.
ENDMETHOD. "HANDLE_DOUBLE_CLICK
METHOD: HANDLE_TOP_OF_PAGE.
CALL METHOD TOP_PAGE->ADD_TEXT
EXPORTING
TEXT = 'SALES HEADER & ITEM DETAILS'.
CALL METHOD TOP_PAGE->DISPLAY_DOCUMENT
EXPORTING
PARENT = TOP_OF_PAGE_CONTAINER.
ENDMETHOD. "HANDLER_TOP_OF_PAGE
ENDCLASS. "LCL_EVENT_RECIEVER IMPLEMENTATION
***********************************************************************
AT SELECTION-SCREEN
***********************************************************************
AT SELECTION-SCREEN.
IF S_VBELN IS NOT INITIAL.
SELECT COUNT(*)
FROM VBAK
WHERE VBELN IN S_VBELN.
IF SY-DBCNT = 0.
MESSAGE E000 WITH 'NO TABLE ENTRIES FOUND FOR LOW KEY SPECIFIED'.
ENDIF.
ENDIF.
***********************************************************************
START-OF-SELECTION.
***********************************************************************
START-OF-SELECTION.
PERFORM FETCH_SALES_HEADER_RECORD.
PERFORM CREATE_CALL. "CREATION OF OBJECTS & CALLING METHODS
************************************************************************
END-OF-SELECTION.
************************************************************************
END-OF-SELECTION.
&----
*& Module STATUS_0100 OUTPUT
&----
text
----
MODULE STATUS_0100 OUTPUT.
SET PF-STATUS 'ZSTATUS'.
SET TITLEBAR 'xxx'.
ENDMODULE. " STATUS_0100 OUTPUT
&----
*& Form FETCH_SALES_HEADER_RECORD
&----
text
----
--> p1 text
<-- p2 text
----
FORM FETCH_SALES_HEADER_RECORD .
SELECT
VBELN
AUDAT
VBTYP
AUART
AUGRU
NETWR
WAERK
FROM VBAK
INTO CORRESPONDING FIELDS OF TABLE IT_VBAK
WHERE VBELN IN S_VBELN
AND VBTYP = P_VBTYP.
ENDFORM. " FETCH_SALES_HEADER_RECORD
&----
*& Form CREATE_CALL
&----
text
----
--> p1 text
<-- p2 text
----
FORM CREATE_CALL .
IF CUSTOM_CONTAINER IS INITIAL.
CREATE OBJECT CUSTOM_CONTAINER
EXPORTING
PARENT =
CONTAINER_NAME = 'CUSTOM_CONTAINER'
STYLE =
LIFETIME = lifetime_default
REPID =
DYNNR =
NO_AUTODEF_PROGID_DYNNR =
EXCEPTIONS
CNTL_ERROR = 1
CNTL_SYSTEM_ERROR = 2
CREATE_ERROR = 3
LIFETIME_ERROR = 4
LIFETIME_DYNPRO_DYNPRO_LINK = 5
OTHERS = 6
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CREATE OBJECT SPLITTER
EXPORTING
TOP = 5
PARENT = CUSTOM_CONTAINER
ROWS = 3
COLUMNS = 1
EXCEPTIONS
CNTL_ERROR = 1
CNTL_SYSTEM_ERROR = 2
OTHERS = 3
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CALL METHOD SPLITTER->GET_CONTAINER
EXPORTING
ROW = 1
COLUMN = 1
RECEIVING
CONTAINER = TOP_OF_PAGE_CONTAINER.
CALL METHOD SPLITTER->GET_CONTAINER
EXPORTING
ROW = 2
COLUMN = 1
RECEIVING
CONTAINER = VBAK_CONTAINER.
CALL METHOD SPLITTER->GET_CONTAINER
EXPORTING
ROW = 3
COLUMN = 1
RECEIVING
CONTAINER = VBAP_CONTAINER.
CREATE OBJECT GRID
EXPORTING
I_SHELLSTYLE = 0
I_LIFETIME =
I_PARENT = VBAK_CONTAINER
I_APPL_EVENTS = space
I_PARENTDBG =
I_APPLOGPARENT =
I_GRAPHICSPARENT =
I_NAME =
EXCEPTIONS
ERROR_CNTL_CREATE = 1
ERROR_CNTL_INIT = 2
ERROR_CNTL_LINK = 3
ERROR_DP_CREATE = 4
OTHERS = 5
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
GS_LAYOUT-GRID_TITLE = 'SALES HEADER DETAILS.'(100).
CALL METHOD GRID->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING
I_BUFFER_ACTIVE =
I_BYPASSING_BUFFER =
I_CONSISTENCY_CHECK =
I_STRUCTURE_NAME = 'ZVBAK_STRUC'
IS_VARIANT =
I_SAVE =
I_DEFAULT = 'X'
IS_LAYOUT = GS_LAYOUT
IS_PRINT =
IT_SPECIAL_GROUPS =
IT_TOOLBAR_EXCLUDING =
IT_HYPERLINK =
IT_ALV_GRAPHICS =
IT_EXCEPT_QINFO =
CHANGING
IT_OUTTAB = IT_VBAK
IT_FIELDCATALOG =
IT_SORT =
IT_FILTER =
EXCEPTIONS
INVALID_PARAMETER_COMBINATION = 1
PROGRAM_ERROR = 2
TOO_MANY_LINES = 3
OTHERS = 4
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDIF.
CREATE OBJECT OBJ_EVENT .
SET HANDLER OBJ_EVENT->HANDLE_DOUBLE_CLICK FOR GRID.
SET HANDLER OBJ_EVENT->HANDLE_TOP_OF_PAGE FOR GRID.
CREATE OBJECT TOP_PAGE
EXPORTING
STYLE = 'ALV_GRID'
.
CALL METHOD TOP_PAGE->INITIALIZE_DOCUMENT.
CALL METHOD GRID->LIST_PROCESSING_EVENTS
EXPORTING
I_EVENT_NAME = 'TOP_OF_PAGE'
I_DYNDOC_ID = TOP_PAGE.
CALL SCREEN 100.
ENDFORM. " CREATE_CALL
&----
*& Module USER_COMMAND_0100 INPUT
&----
text
----
MODULE USER_COMMAND_0100 INPUT.
CASE SY-UCOMM.
WHEN 'EXIT'.
LEAVE PROGRAM.
WHEN 'BACK'.
LEAVE TO SCREEN 0.
ENDCASE.
ENDMODULE. " USER_COMMAND_0100 INPUT
&----
*& Form FETCH_ITEM_DETAILS
&----
text
----
--> p1 text
<-- p2 text
----
FORM FETCH_ITEM_DETAILS USING WA_VBAK TYPE ZVBAK_STRUC .
SELECT
VBELN
POSNR
MATNR
MATWA
PMATN
CHARG
FROM VBAP
INTO TABLE IT_VBAP
WHERE VBELN = WA_VBAK-VBELN.
IF SY-SUBRC <> 0.
MESSAGE E000 WITH 'NO RECORDS FOUND FOR SPECIFIED KEY'.
ENDIF.
ENDFORM. " FETCH_ITEM_DETAILS
&----
*& Module STATUS_0200 OUTPUT
&----
text
----
MODULE STATUS_0200 OUTPUT.
SET PF-STATUS 'ZSTATUS'.
SET TITLEBAR 'xxx'.
ENDMODULE. " STATUS_0200 OUTPUT
&----
*& Module USER_COMMAND_0200 INPUT
&----
text
----
MODULE USER_COMMAND_0200 INPUT.
CASE SY-UCOMM.
WHEN 'EXIT'.
LEAVE PROGRAM.
WHEN 'BACK'.
LEAVE TO SCREEN 0.
ENDCASE.
ENDMODULE. " USER_COMMAND_0200 INPUT
&----
*& Form alv_grid
&----
text
----
--> p1 text
<-- p2 text
----
FORM ALV_GRID .
IF FLAG = ''.
FLAG = 'X'.
CREATE OBJECT GRID_VBAP
EXPORTING
I_SHELLSTYLE = 0
I_LIFETIME =
I_PARENT = VBAP_CONTAINER
I_APPL_EVENTS = space
I_PARENTDBG =
I_APPLOGPARENT =
I_GRAPHICSPARENT =
I_NAME =
EXCEPTIONS
ERROR_CNTL_CREATE = 1
ERROR_CNTL_INIT = 2
ERROR_CNTL_LINK = 3
ERROR_DP_CREATE = 4
others = 5
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDIF.
GS1_LAYOUT-GRID_TITLE = 'SALES ITEM DETAILS.'(100).
CALL METHOD GRID_VBAP->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING
I_BUFFER_ACTIVE =
I_BYPASSING_BUFFER =
I_CONSISTENCY_CHECK =
I_STRUCTURE_NAME = 'ZVBAP_STRUC'
IS_VARIANT =
I_SAVE =
I_DEFAULT = 'X'
IS_LAYOUT = GS1_LAYOUT
IS_PRINT =
IT_SPECIAL_GROUPS =
IT_TOOLBAR_EXCLUDING =
IT_HYPERLINK =
IT_ALV_GRAPHICS =
IT_EXCEPT_QINFO =
CHANGING
IT_OUTTAB = IT_VBAP
IT_FIELDCATALOG =
IT_SORT =
IT_FILTER =
EXCEPTIONS
INVALID_PARAMETER_COMBINATION = 1
PROGRAM_ERROR = 2
TOO_MANY_LINES = 3
OTHERS = 4
.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " alv_grid
Thanks & regards
Sreenivasulu P
05-12-2006 2:10 PM
Create a Z class and copy the code part of those methods into public methods of your z class.
Use your z class methods in your custom report.
Regards,
Ravi
05-12-2006 2:15 PM
Be cautious when cloning. These methods/attributes are private and protected for a good reason.
They are shielded from us to prevent the class object from "collapsing"/breaking during it's usage.
The creator of the class determined that the object need to prevent external manipulation of these characteristics.
This is a backbone to OOP.
05-12-2006 2:16 PM
05-12-2006 2:16 PM
05-12-2006 2:22 PM
Hi Vijay,
you can't you the private method of a class (it a basic concept of OOP) out it self, but you can use the protected method if you create a new class makeing the CL_GUI_ALV_GRID as superclass of your new onw.
bye
enzo
05-12-2006 2:29 PM
Hi Enzo
I'm aware of the fact that we can not use them so looking for alternative methods to use them, sorry i should've framed my question differently.