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Summary

This document illustrates how to navigate and data transfer from personnel object work list i.e Feeder class to WD ABAP. 

Author: Rohan Sanjay Uphade

Company: NTT DATA India EAS Ltd.

Created on: 10 March 2013

Author Bio

Rohan is SAP certified Consultant and works in NTT DATA, He has work experience in SAP ABAP, Dynamic programming,

WebDynpro ABAP, POWL , Smart forms , Adobe forms and so on.

Solution

1) Define an Handle Method in POWL FEEDER CLASS

    

  • Method HANDLE_ACTION

METHOD IF_POWL_FEEDER~HANDLE_ACTION.
DATA: LS_PARAMETER TYPE POWL_NAMEVALUE_STY.
DATA : X_RESULT TYPE YEMPLOYEE ,
V_INDEX
TYPE RSTABIX,
V_INDX(
2) TYPE C.
CASE I_ACTIONID.
WHEN ‘POWL_LEAD_SEL’.
CLEAR:X_RESULT,V_INDX.
READ TABLE  C_SELECTED INTO V_INDEX INDEX 1.
IF SY-SUBRC = 0.
V_INDX = V_INDEX-TABIX.
READ TABLE C_RESULT_TAB INTO X_RESULT INDEX V_INDX.
IF SY-SUBRC = 0.
E_PORTAL_ACTIONS-FIRE_WDEVENT = ABAP_TRUE.
LS_PARAMETER-
KEY = ‘EMP_ID’.
LS_PARAMETER-
VALUE = X_RESULT-EMP_ID.
APPEND LS_PARAMETER TO E_PORTAL_ACTIONS-PARAMETERS.
LS_PARAMETER-
KEY = ‘EMP_NAME’.
LS_PARAMETER-
VALUE = X_RESULT-EMP_NAME.
APPEND LS_PARAMETER TO E_PORTAL_ACTIONS-PARAMETERS.
LS_PARAMETER-
KEY = ‘SALARY’.
LS_PARAMETER-
VALUE = X_RESULT-SALARY.
APPEND LS_PARAMETER TO E_PORTAL_ACTIONS-PARAMETERS.
ENDIF.
ENDIF.
ENDCASE.
ENDMETHOD.

2) Now Define an usage of POWL in Webdynpro Application as shown below,

    

  • Define POWL Component usage in properties tab of MAIN VIEW
  • Define an EVENT to get details from POWL Feeder class into our WD application.

Example: Lead selected row in POWL header.

METHOD NAME      :GET_FROM_POWL

METHOD TYPE       :EVENT HANDLER

EVENT                   : POWL_FOLLOW_UP

CONTROLLER         : INTERFACECONTROLLER

COMPONENT USE  :POWL(fired if requested by ‘HANDLE_ACTION’ method of feeder)

METHOD GET_FROM_POWL .
DATA: V_NAME TYPE YEMPLOYEE-EMP_NAME,
LT_PARAMETER   
TYPE POWL_NAMEVALUE_TTY,
LS_PARAMETER   
TYPE POWL_NAMEVALUE_STY.
FIELD-SYMBOLS: <VALUE> TYPE DATA.
WDEVENT->GET_DATA(
EXPORTING NAME = ‘EVENT_PARAMETERS’
IMPORTING VALUE = LT_PARAMETER ).
READ TABLE LT_PARAMETER INTO LS_PARAMETER WITH KEY KEY = ‘EMP_NAME’.
V_NAME = LS_PARAMETER-
VALUE.
CLEAR LS_PARAMETER.
*  AND SO ON FOR OTHER FIELDS
*BIND VALUE TO TEXT VIEW
DATA LO_ND_EMPLOYEE TYPE REF TO IF_WD_CONTEXT_NODE.
DATA LO_EL_EMPLOYEE TYPE REF TO IF_WD_CONTEXT_ELEMENT.
DATA LS_EMPLOYEE TYPE WD_THIS->ELEMENT_EMPLOYEE.
DATA LV_EMP_NAME LIKE LS_EMPLOYEE-EMP_NAME.
LO_ND_EMPLOYEE = WD_CONTEXT->GET_CHILD_NODE( NAME = WD_THIS->WDCTX_EMPLOYEE ).
LO_EL_EMPLOYEE = LO_ND_EMPLOYEE->GET_ELEMENT(  ).
LV_EMP_NAME =  V_NAME.
*   GET SINGLE ATTRIBUTE
LO_EL_EMPLOYEE->SET_ATTRIBUTE(
NAME = 
`EMP_NAME`
VALUE = LV_EMP_NAME ) .

ENDMETHOD.

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