double click on alv report 1

REPORT Z50789_ALV2.

TYPE-POOLS: SLIS.

*type declaration for values from ekko
TYPES: BEGIN OF I_EKKO,
EBELN LIKE EKKO-EBELN,
AEDAT LIKE EKKO-AEDAT,
BUKRS LIKE EKKO-BUKRS,
BSART LIKE EKKO-BSART,
LIFNR LIKE EKKO-LIFNR,
END OF I_EKKO.

DATA: IT_EKKO TYPE STANDARD TABLE OF I_EKKO INITIAL SIZE 0,
WA_EKKO TYPE I_EKKO.

*type declaration for values from ekpo
TYPES: BEGIN OF I_EKPO,
EBELN LIKE EKPO-EBELN,
EBELP LIKE EKPO-EBELP,
MATNR LIKE EKPO-MATNR,
MENGE LIKE EKPO-MENGE,
MEINS LIKE EKPO-MEINS,
NETPR LIKE EKPO-NETPR,
END OF I_EKPO.

DATA: IT_EKPO TYPE STANDARD TABLE OF I_EKPO INITIAL SIZE 0,
WA_EKPO TYPE I_EKPO .

*variable for Report ID
DATA: V_REPID LIKE SY-REPID .

*declaration for fieldcatalog
DATA: I_FIELDCAT TYPE SLIS_T_FIELDCAT_ALV,
WA_FIELDCAT TYPE SLIS_FIELDCAT_ALV.


DATA: IT_LISTHEADER TYPE SLIS_T_LISTHEADER.

* declaration for events table where user comand or
*set PF status will be defined
DATA: V_EVENTS TYPE SLIS_T_EVENT,
WA_EVENT TYPE SLIS_ALV_EVENT.

* declartion for layout
DATA: ALV_LAYOUT TYPE SLIS_LAYOUT_ALV.

* declaration for variant(type of display we want)
DATA: I_VARIANT TYPE DISVARIANT,
I_VARIANT1 TYPE DISVARIANT,
I_SAVE(1) TYPE C.

*Title displayed when the alv list is displayed
DATA: I_TITLE_EKKO TYPE LVC_TITLE VALUE 'FIRST LIST DISPLAYED'.
DATA: I_TITLE_EKPO TYPE LVC_TITLE VALUE 'SECONDRY LIST DISPLAYED'.

INITIALIZATION.
V_REPID = SY-REPID.
PERFORM BUILD_FIELDCATLOG.
PERFORM POPULATE_EVENT.

START-OF-SELECTION.
PERFORM DATA_RETRIEVAL.
PERFORM BUILD_LISTHEADER USING IT_LISTHEADER.
PERFORM DISPLAY_ALV_REPORT.

*&--------------------------------------------------------------------*
*& Form BUILD_FIELDCATLOG
*&--------------------------------------------------------------------*
* Fieldcatalog has all the field details from ekko
*---------------------------------------------------------------------*

FORM BUILD_FIELDCATLOG.

WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'EBELN'.
WA_FIELDCAT-SELTEXT_M = 'PO NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'AEDAT'.
WA_FIELDCAT-SELTEXT_M = 'DATE.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'BUKRS'.
WA_FIELDCAT-SELTEXT_M = 'COMPANY CODE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'BUKRS'.
WA_FIELDCAT-SELTEXT_M = 'DOCMENT TYPE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'LIFNR'.
WA_FIELDCAT-NO_OUT = 'X'.
WA_FIELDCAT-SELTEXT_M = 'VENDOR CODE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.


ENDFORM. "BUILD_FIELDCATLOG

*&--------------------------------------------------------------------*
*& Form POPULATE_EVENT
*&--------------------------------------------------------------------*
* Events populated for TOP OF PAGE & USER COMAND
*---------------------------------------------------------------------*
FORM POPULATE_EVENT.
READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'TOP_OF_PAGE'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'TOP_OF_PAGE'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-FORM.
ENDIF.

READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'USER_COMMAND'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'USER_COMMAND'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-NAME.
ENDIF.
ENDFORM. "POPULATE_EVENT


*&--------------------------------------------------------------------*
*& Form data_retrieval
*&--------------------------------------------------------------------*
* retreiving values from the database table ekko
*---------------------------------------------------------------------*
FORM DATA_RETRIEVAL.
SELECT EBELN
AEDAT
BUKRS
BSART
LIFNR
FROM EKKO
INTO TABLE IT_EKKO.

ENDFORM. "data_retrieval
*&--------------------------------------------------------------------*
*& Form bUild_listheader
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
* -->I_LISTHEADEtext
*---------------------------------------------------------------------*
FORM BUILD_LISTHEADER USING I_LISTHEADER TYPE SLIS_T_LISTHEADER.

DATA: HLINE TYPE SLIS_LISTHEADER OCCURS 0 WITH HEADER LINE,
WA_HLINE TYPE SLIS_LISTHEADER .

HLINE-INFO = 'this is my first alv pgm'.
HLINE-TYP = 'H'.
APPEND HLINE.
ENDFORM. "build_listheader

*&--------------------------------------------------------------------*
*& Form display_alv_report
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
FORM DISPLAY_ALV_REPORT.

V_REPID = SY-REPID.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
I_CALLBACK_PROGRAM = V_REPID
I_CALLBACK_USER_COMMAND = 'USER_COMMAND'
I_CALLBACK_TOP_OF_PAGE = 'TOP_OF_PAGE'
I_GRID_TITLE = I_TITLE_EKKO
IS_LAYOUT = ALV_LAYOUT
IT_FIELDCAT = I_FIELDCAT[]
I_SAVE = 'A'
IT_EVENTS = V_EVENTS
TABLES
T_OUTTAB = IT_EKKO.

ENDFORM. "display_alv_report




*&--------------------------------------------------------------------*
*& Form TOP_OF_PAGE
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
FORM TOP_OF_PAGE.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
IT_LIST_COMMENTARY = IT_LISTHEADER.

ENDFORM. "TOP_OF_PAGE

*&--------------------------------------------------------------------*
*& Form USER_COMMAND
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
* -->R_UCOMM text
* -->, text
* -->RS_SLEFIELDtext
*---------------------------------------------------------------------*
FORM USER_COMMAND USING R_UCOMM LIKE SY-UCOMM
RS_SELFIELD TYPE SLIS_SELFIELD.
CASE R_UCOMM.
WHEN '&IC1'.
READ TABLE IT_EKKO INTO WA_EKKO INDEX RS_SELFIELD-TABINDEX.
PERFORM BUILD_FIELDCATLOG_EKPO.
PERFORM EVENT_CALL_EKPO.
PERFORM POPULATE_EVENT_EKPO.
PERFORM DATA_RETRIEVAL_EKPO.
PERFORM DISPLAY_ALV_EKPO.
ENDCASE.
ENDFORM. "user_command
*&--------------------------------------------------------------------*
*& Form BUILD_FIELDCATLOG_EKPO
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
FORM BUILD_FIELDCATLOG_EKPO.

WA_FIELDCAT-TABNAME = 'IT_EKPO'.
WA_FIELDCAT-FIELDNAME = 'EBELN'.
WA_FIELDCAT-SELTEXT_M = 'PO NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKPO'.
WA_FIELDCAT-FIELDNAME = 'EBELP'.
WA_FIELDCAT-SELTEXT_M = 'LINE NO'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MATNR'.
WA_FIELDCAT-SELTEXT_M = 'MATERIAL NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MENGE'.
WA_FIELDCAT-SELTEXT_M = 'QUANTITY'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MEINS'.
WA_FIELDCAT-SELTEXT_M = 'UOM'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.

WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'NETPR'.
WA_FIELDCAT-SELTEXT_M = 'PRICE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.


ENDFORM. "BUILD_FIELDCATLOG_EKPO

*&--------------------------------------------------------------------*
*& Form event_call_ekpo
*&--------------------------------------------------------------------*
* we get all events - TOP OF PAGE or USER COMMAND in table v_events
*---------------------------------------------------------------------*
FORM EVENT_CALL_EKPO.
CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
EXPORTING
I_LIST_TYPE = 0
IMPORTING
ET_EVENTS = V_EVENTS.
.
ENDFORM. "event_call_ekpo


*&--------------------------------------------------------------------*
*& Form POPULATE_EVENT
*&--------------------------------------------------------------------*
* Events populated for TOP OF PAGE & USER COMAND
*---------------------------------------------------------------------*
FORM POPULATE_EVENT_EKPO.
READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'TOP_OF_PAGE'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'TOP_OF_PAGE'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-FORM.
ENDIF.

ENDFORM. "POPULATE_EVENT

*&--------------------------------------------------------------------*
*& Form TOP_OF_PAGE
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
FORM F_TOP_OF_PAGE.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
IT_LIST_COMMENTARY = IT_LISTHEADER.

ENDFORM. "TOP_OF_PAGE

*&--------------------------------------------------------------------*
*& Form USER_COMMAND
*&--------------------------------------------------------------------*
* text
*---------------------------------------------------------------------*
* -->R_UCOMM text
* -->, text
* -->RS_SLEFIELDtext
*---------------------------------------------------------------------*

*retreiving values from the database table ekko
FORM DATA_RETRIEVAL_EKPO.
SELECT EBELN EBELP MATNR MENGE MEINS NETPR FROM EKPO INTO TABLE IT_EKPO.
ENDFORM. "DATA_RETRIEVAL_EKPO
*&---------------------------------------------------------------------*
*& Form DISPLAY_ALV_EKPO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM DISPLAY_ALV_EKPO.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
I_CALLBACK_PROGRAM = V_REPID
I_CALLBACK_TOP_OF_PAGE = 'TOP_OF_PAGE'
I_GRID_TITLE = I_TITLE_EKPO
IT_FIELDCAT = I_FIELDCAT[]
I_SAVE = 'A'
IT_EVENTS = V_EVENTS
TABLES
T_OUTTAB = IT_EKPO.
ENDFORM. "DISPLAY_ALV_EKPO