Help for automate OCR

I would like to ask for aid for the following development:
Require that the minimum number of steps to convert a PDF to a searchable PDF.
I have a Java application and want to do this:
- Run the command line: Acrobat.exe c: \ tmp \ fileOcr.pdf
- The user selects the following options: "Recognized Text using OCR" - "Save" - "Close"
- He continues the Java application.
What I would like to know is how, if possible, reduce the number of steps, including, by example:
- Run the command line: Acrobat.exe c: \ tmp \ fileOcr.pdf
- Run a batch process that makes everything else: "Recognized Text using OCR" - "Save" - "Close"
It is possible?
Appreciate any help in this regard
Thanks.
Raimundo Carlos
www.base100.com

Hi Irosenth:
After your help we decided to develop a plugin with your technology.
We will implement a plugin to do the following: automatically convert a PDF file into a searchable PDF file.
We have a programmer with good experience in C + +.
The help that you ask is:
- With the information I have indicated, the profile of service developer and your support for this area, how long will it take to make you think this plugin, based on your experience?
- Another question again, the plugin you get understand it is an executable (*. exe), however, we might get a DLL, so that the invocation and installation process from the applet does not require a previous installation on PCs?
For us it is important for proper planning with the client.
Take this opportunity to thank you again.
Raimundo Carlos
www.base100.com

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How to create a F4 help for a report selection screen field

hi,
can any one guide me to create F4 help for a field in a selection screen in a report program,plz give me a sample code

hi,
Here are the following ways
1.with the help of match code objects we can create the F4 Functionality for Field.
Syntax is :
PARAMETERS: p_org LIKE t527x-orgeh MATCHCODE OBJECT zorg.
2. One more thing is we can do it with Search Help's also.
3. Even we can do it HELP Views also.
Help Views:
You have to create a help view if a view with outer join is needed as selection method of a search help
The selection method of a search help is either a table or a view. If you have to select data from several tables for the search help, you should generally use a database view as selection method. However, a database view always implements an inner join. If you need a view with outer join for the data selection, you have to use a help view as selection method.
All the tables included in a help view must be linked with foreign keys. Only foreign keys that have certain attributes can be used here. The first table to be inserted in the help view is called the primary table of the help view. The tables added to this primary table with foreign keys are called secondary tables.
The functionality of a help view has changed significantly between Release 3.0 and Release 4.0. In Release 3.0, a help view was automatically displayed for the input help (F4 help) for all the fields that were checked against the primary table of the help view. This is no longer the case in Release 4.0.
As of Release 4.0, you must explicitly create a search help that must be linked with the fields for which it is offered (see Linking Search Helps with Screen Fields ).
Existing help views are automatically migrated to search helps when you upgrade to a release higher than 4.0.
A help view implements an outer join, i.e. all the contents of the primary table of the help view are always displayed. You therefore should not formulate a selection condition for fields in one of the secondary tables of the help view. If records of these secondary tables cannot be read as a result of this selection condition, the contents of the corresponding fields of the secondary table are displayed with initial value.
<REMOVED BY MODERATOR>
Edited by: Alvaro Tejada Galindo on Feb 15, 2008 3:15 PM

Reg : F4 help for custom fields in ALV report

hi friends..
in my internal table i have fields including 1 custom field..
DATA : BEGIN OF i_final OCCURS 0,
pernr LIKE p0000-pernr,
begda LIKE p0000-begda,
plans LIKE ZPOSITION-plans, (custom)
werks LIKE pspar-werks,
end of i_final.
i want to display this i_final table in alv. for that i genetrate one fieldcatalog
PERFORM fcat USING:
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then i used reuse_alv_grid_display.. for all the std fields along wit custom fields
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how can i get the F$ help for this custom fields Zposition-plans..
plz give some idea

Hi
In that Ztable against the field
PLANS give the check table name as <b>T528B</b>
then it will automatically give the search help
or you can create your own search help(elementary) and add to that field
Reward if useful
regards
Anji

F4 help for a field in module pool

Hello Experts,
I need to provide f4 help on field sales office(VKBUR) in my module pool program.
I have searched forums about it. but all forum contains either doc. no or customers etc.
these field are directly available on table, so very easy to find.
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Hi amar_war,
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Try standard search help for standard field first.
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Regards,
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What are the settings for automatic service PO?

Hello,
I would like to know if it is possible to automatically create the PR for services. It would be similar to MD04 but instead of being for stockable materials, it would be done for non-stockable materials (services in this case).
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BAPI for automatic Pr creation witth multiple files from excel sheet

I have written a programm for automatic PR creation with the help of bapi , where its picks data from excel sheet and makes PR .It is picking excel files from one folder(Files) for PR creation and moving to another folder(Files sucess).
now the problem is if Folder (Files) contains one excel sheet ,PR is created fine , but if the Folder(Files) have multiple excel sheet ,its is creating 1st PR right, but next PR's contains all the line item of 1st PR , 2nd PR and so on .can anyone suggest me where is the problem in codes.
types : begin of x_file ,
        key1(10),
        pur_grp(4),
        maktx(40),
        plant(4) ,
        req(10),
        s_qty(13),
        wbs(24),
        gl(10),
        trackno(10),
        supl(4),
        deladd(255).
types : end of x_file .
data : str5 type char10.
data : mm type char2.
data : yyyy type char4.
data : dd type char2.
data : str9 type char10.
data : str6 type char10.
data : month type char2.
data : year type char4.
year = sy-datum+0(4).
month = sy-datum+4(2).
dd = sy-datum+6(2).
yyyy = sy-datum+0(4).
mm = sy-datum+4(2).
dd = sy-datum+6(2).
clear str6 .
clear str5.
concatenate dd'.' month '.' year into str5 .
concatenate yyyy mm dd into str6 .
DATA : file type rlgrap-filename .
data : it_file type table of x_file .
data : wa_file type x_file .
data : it_header type table of x_file .
data : wa_header type x_file .
*& Internal Table For Define Row and Coloum Postion
data: col_start type i value 1 ,
      row_start type i value 2,
      col_end type i value 256 ,
      row_end type i value 65000 .
*& Internal Table For Retrieve Data From Excel
*data: excel_bdcdata like kcde_cells occurs 0 with header line.
*data: excel_bdcdata1 like kcde_cells occurs 0 with header line.
data: excel_bdcdata like ALSMEX_TABLINE occurs 0 with header line.
data: excel_bdcdata1 like ALSMEX_TABLINE occurs 0 with header line.
data: it_index type i.
DATA : IT_INDEX1 TYPE I.
*& Define Field Symbol
field-symbols: <fs> .
data :   bdcdata like bdcdata    occurs 0 with header line.
data :   messtab like bdcmsgcoll occurs 0 with header line.
data : req_items type table of bapiebanc .
data : wa_req_items type bapiebanc .
data : req_acc_asg type table of bapiebkn.
data : wa_req_acc_asg type bapiebkn.
DATA : RETURN LIKE BAPIRETURN OCCURS 0 WITH HEADER LINE .
*data : return type table of     bapireturn.
*data : wa_return type bapireturn .
data : number type ebeln .
*****************************MOVE FILES******************************
data : xsource type string .
data : xdestin type string .
data : destin1 type string .
data : destin2 type string .
DATA : DEST1 TYPE STRING.
DATA : DEST11 TYPE STRING.
DATA : DEST2 TYPE STRING.
DATA : DEST22 TYPE STRING.
data : sou_dir_name like SALFILE-LONGNAME.
data : tar_dir_name like SALFILE-LONGNAME.
data : tar_dir_name1 like SALFILE-LONGNAME.
data : sou_filename like EDI_PATH-PTHNAM .
data : tar_filename like EDI_PATH-PTHNAM .
data : filename1 type string .
data : tar_filename1 like EDI_PATH-PTHNAM .
data : file_itab like SALFLDIR occurs 0 with header line.
data : wa_file_itab like SALFLDIR.
data : file_count type i .
data : dir_count type i.
data : dir_table like sdokpath occurs 0 with header line.
data : file_table like SDOKPATH occurs 0 with header line.
data : wa_file_table like sdokpath.
data : strr type string ,
       str1 type string ,
       str2 type string ,
       str3 type string .
DATA : PA_VAL TYPE CHAR1.
sou_dir_name = 'D:\barcodes\files\'.
tar_dir_name = 'D:\barcodes\files-success\'.
    "success folder.
CALL FUNCTION 'TMP_GUI_DIRECTORY_LIST_FILES'
EXPORTING
    DIRECTORY = sou_dir_name
    FILTER     = '.'
IMPORTING
    FILE_COUNT = file_count
    DIR_COUNT = dir_count
TABLES
    FILE_TABLE = file_table
    DIR_TABLE = dir_table
EXCEPTIONS
    CNTL_ERROR = 1
    OTHERS     = 2.
IF SY-SUBRC <> 0.
ENDIF.
loop at file_table into wa_file_table.
clear : strr , str1 , str2 , str3 .
strr = wa_file_table-PATHNAME .
concatenate sou_dir_name strr into str1 .
concatenate tar_dir_name strr into str2 . " success
concatenate tar_dir_name1 strr into str3 .         " failed
FILE = STR1 .
*start-of-selection.
*& Function For Retrieve Data From Excel
CALL FUNCTION 'ALSM_EXCEL_TO_INTERNAL_TABLE'
EXPORTING
    filename                      = FILE
    i_begin_col                   = col_start
    i_begin_row                   = row_start
    i_end_col                     = col_end
    i_end_row                     = row_end
tables
    intern                        = excel_bdcdata
EXCEPTIONS
   INCONSISTENT_PARAMETERS       = 1
   UPLOAD_OLE                    = 2
   OTHERS                        = 3.
IF sy-subrc NE 0.
WRITE : / 'File Error'.
EXIT.
ENDIF.
loop at excel_bdcdata.
    translate excel_bdcdata to upper case .
    move excel_bdcdata-col to it_index.
    assign component it_index of structure wa_file to <fs> .
    move excel_bdcdata-value to <fs>.
    at end of row.
      append wa_file to it_file .
        clear wa_file.
    endat.
endloop.
sort it_file by key1. "pur_grp maktx plant .
it_header[] = it_file[].
delete adjacent duplicates from it_header comparing key1 pur_grp maktx
plant .
data : h_item(5) type n .
data : h_pack(10) type n .
data : line_no(5) type n .
data : ln_no(5) type n .
loop at it_header into wa_header .
ln_no = 1.
h_item = h_item + 10.
h_pack = h_pack + 1.
wa_req_items-preq_item = h_item .
wa_req_items-doc_type = 'BOM'.
wa_req_items-pur_group = wa_header-pur_grp .
wa_req_items-MATERIAL = wa_header-maktx .
wa_req_items-plant = wa_header-plant .
wa_req_items-pckg_no = h_pack .
wa_req_items-deliv_date = str6 .
wa_req_items-item_cat = '0'.
wa_req_items-acctasscat = 'P'.
*wa_req_items-distrib = '2' .
**wa_req_items-gr_ind = 'X'.
wa_req_items-ir_ind = '2'.
wa_req_items-purch_org = 'TISL' .
wa_req_items-QUANTITY = wa_header-s_qty.
wa_req_items-PREQ_NAME = wa_header-req.
wa_req_items-SUPPL_PLNT = wa_header-supl.
wa_req_items-trackingno = wa_header-trackno.
append wa_req_items to req_items .
clear wa_req_items.
wa_req_acc_asg-preq_item = h_item .
wa_req_acc_asg-g_l_acct = wa_file-gl .
WA_req_acc_asg-wbs_elem = wa_header-wbs .
append wa_req_acc_asg to req_acc_asg .
clear wa_req_acc_asg.
h_pack = h_pack + 1 .
endloop.
clear ln_no .
***BREAK-POINT.
*& BAPI FUNCTION
call function 'BAPI_REQUISITION_CREATE'
importing
   number                               = number
tables
    requisition_items                   = req_items
   requisition_account_assignment       = req_acc_asg
   return                               = return .

Can someone please give me sol........

What is the user exit for automatic account determination in PO

Hi Experts
I ned to know what is the user exit for automatic account determination in PO
my client needs the document type to defines Account Assignment Category.
choosen a document type Account Assignment Category is defined automatically. you can't choose
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thanks form you help.

If this is the case than why don't you use the Transaction variant
SHD0: http://www.mortenhjorthnielsen.dk/Security/transactionvariants.htm
If you have knowledge of Transaction variant then you can use SHD0 tcode and generate the transaction using default type and give that transaction to user instead of ME21N so they will not have the issue.
The exact solution for your problem is as follows
Go to Tcode SHD0 and enter the transaction variant
In T code field enter ME21N and then enter the ZXXXX or the name you want to keep in transaction variant field and hit create button
This will take you to ME21N transaction and here you just enter the data but make sure you enter the A/c which you want to default.
Once you finish system will save this one as a variant
Every time you hit or enter the pop up screen comes here you just hit enter and whichever data you want to default that you have to select in the Popup by checking the Box
W content and output only for your case the field XXXXXXXX should be selected for W content and output only
Make sure you have value 1 in contents field
If not then restart the variant again and on the ME21Nscreen reselect the invoice field
Later exit and save (save in the object which you can transport)
Then from SHD0 transaction select GOTO create variant transaction and here you careate the tcode and use that tcode for ME21N (e.g ZTRAN - For specifix sto)

Dynamic value help for a table field to fill two fields, how to?

Hi all gurus,
In SRM 7 I defined a dynamic value help for a single field (ZZ_PROLE_R3) of my header custom table.
That's the code from WDDOMODIFYVIEW in the webdynpro /SAPSRM/WDC_DODC_CT, view V_DODC_CT:
DATA: lo_tabnode        TYPE REF TO IF_WD_CONTEXT_NODE.
      DATA: lo_tabnode_info   TYPE REF TO IF_WD_CONTEXT_NODE_INFO.
      DATA: tab_value         TYPE WDR_CONTEXT_ATTR_VALUE_LIST,
            wa_value          TYPE WDR_CONTEXT_ATTR_VALUE.
      lo_tabnode = wd_context->GET_CHILD_NODE( name = 'THCUS' ). "the custom table node
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      wd_this->GET_VALHELP_ZZ_PROLE_R3( EXPORTING iv_guid = lv_guid
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      lo_tabnode_info->set_attribute_value_set( name = 'ZZ_PROLE_R3'
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The method GET_VALHELP_ZZ_PROLE_R3 dynamically builds the value help table tab_value; such table is made up by two fields:
value : contains the value of the field
text   : contains a description of the value
The above solution works; now I'd like to enhance it. The custom table THCUS contains also a field called ZZ_PROLE_R3_DESC, which represents the description of ZZ_PROLE_R3. It is, exactly, the TEXT field in tab_value.
So I'd like to do as follows:
- the user clicks on the search help for ZZ_PROLE_R3 field of the table;
- the above described value help appears;
- after the selection, both ZZ_PROLE_R3 and ZZ_PROLE_R3_DESC are filled with the selected couple value - text chosen from the value help.
Could anyone help me achieving such a behaviour?
Again, a little request... when I open the above value help dialog box, the window itself has a label "Floorplan Manager application for OIF.." that obviously I'd like to redefine (e.g. "Role selection value help"). Is there any way to do that?
Thanks in advance

Chris Paine wrote:
It seems to me - given that your code is in wddomodifyview that you are trying to have different dropdowns per row
- I'm not sure where you are populating lv_guid - but I'd guess it is an attribute of the row selected? If it isn't then I can't see any reason that you would do this code in wddomodifyview and not wddoinit.
Hi Chris and thanks for your help,
lv_guid is the GUID of the document's header; I need to pass it to the method that populates my value help table because the values in it are derived from some fields on the document. (the situation actually is more complex; there's an RFC call on the backend for which the document is intended for to retrieve the data that populate the value help...).
I'm quite unexperienced on webdynpro and terminology; if dropdown menus are fixed selection option that appears on a field, I guess this is not my case. I did a pair of screenshot to provide an idea of what the solution by now is, and what "I would like to have":
[Pre-selection (F4 icon on the field in table)|http://imagebin.ca/view/npIsaqF.html]
[Value Help popup for the field ZZ_PROLE_R3|http://imagebin.ca/view/8fZUh3T.html]
[Result by now |http://imagebin.ca/view/3PaqdvE.html]
[Result I'd like to have.|http://imagebin.ca/view/dExR0J.html]
Chris Paine wrote:
However - by your comment on the "value help dialog box" I am guessing you are using an input field? If this is the case then I would strongly suggest that you change/enhance the structure of the context node THCUS (btw, better coding practise to refer to it as wd_this->wdctx_thcus when using the get child node construct) so that you refer to an actual SAP ddic search help, if you then associate in the structure the value and text fields then populating the text field should happen automatically. Also you'd have the nice side effect that your value help dialog would be named after the associated ddic search help.
Thanks for the code suggestion, I'll apply that. For what concerns the context node THCUS... It is, by standard, a node which I can't explictly find in the context for the view V_DODC_CT. The problem is that ZZ_PROLE_R3 and the corresponding description field ZZ_PROLE_R3_DESC of the table must be filled with data retrieved dynamically @ runtime from the backend. So I guess I can't populate a val help referring to a dictionary table/field; I'd rather do as follows:
- retrieve what's the target backend for the document (to do so, I have to process the document .. that's why the header guid passed to my method);
- RFC call to a custom method that extracts possible values for the specific backend;
- bind the ammissible values to the value help.
Chris Paine wrote:
I realise that this is rather a lot - so if you have any specific question please do respond - hopefully I or someone else will be able to clarify.
Thanks again for your help; additional info as well as code examples would be highly appreciated

Can we provide new f4 help for a field in a list using grid display

Hi Gurus,
Can I provide F4 help for field in edit mode for (which is not using any std. data type, uses only custom char field ) in the list displayed using CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'.
I know this can be done using OOPS concepts but, I need to know whether it is possible in this manner.
And please dont suggest me to use CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE' to get automatic f4 help.
I need to provide F4 help with my own logic once I press F4 in the edited field in GRID_DISPLAY
Regards
Mac.

Hi Macmohan,
You have to use F4AVAILABL attribute of fieldcatalog to achieve this.
lv_fldcat-f4availabl = 'X'.
lv_fldcat-ref_table = 'T582A'.
lv_fldcat-ref_field = 'ZEITB'.
This works with ALV GRID CONTROL
Regards
Abhii
Edited by: Abhii on Dec 16, 2009 3:37 PM

How to provide F4 help for a field in table control

Hi Friends,
I have requirement like below.
1.Create one custom transaction code with header and item information.
2.In item level, we will be designed table control to enter/display the data.
3.Table controls first field will be material number and next DOT number (Material may have many DOT numbers) and so on.
4.First user will enter material number in the table controls first rows first field and go to DOT number field.
5.DOT number has drop down option. If user selects drop down box of DOT number, he gets all the DOT numbers available in database. User selects one DOT number and double clicks on it then it will be populated in DOT number field box.
But for point number 5, business wants like when ever user enters material number in table control first field then select DOT numbers drop down then they want to see the particular materials DOT numbers only in the drop down list for selection. Not all DOT numbers available in data base. Same thing should happen for all item lines in table control.
Please see below example.
Assume data base table has 10 DOT numbers. But material number has only 2 DOT numbers. When ever user enters material number in item level table control and selects DOT numbers drop down then it should show only 2 DOT numbers which are related to particular material number. Not all 10 DOT numbers.
Could you please suggest me, how can we achieve this?

Hello,
Check this :-
For POV
Input Help in Dialog Modules
You can call dialog modules in the POV event using the event keyword PROCESS ON VALUE-REQUEST.
PROCESS ON VALUE-REQUEST.
FIELD <f> MODULE <mod>.
After the PROCESS ON VALUE-REQUEST statement, you can only use the MODULE statement together with the FIELD statement. When the user chooses F4 for a field <f>, the system calls the module <mod> belonging to the FIELD <f> statement. If there is more than one FIELD statement for the same field <f>, only the first is executed. The module <mod> is defined in the ABAP program like a normal PAI module. However, the contents of the screen field <f> are not available, since it is not transported by the FIELD statement during the PROCESS ON HELP-REQUEST event. You can now program your own value lists in the module. However, this procedure is only recommended if it really is not possible to use a search help. Defining search helps is much easier than PROCESS ON VALUE-REQUEST, since the system takes over some of the standard operations, such as getting field contents from the screen. It also ensures that the F4 help has a uniform look and feel throughout the system. Furthermore, it means that you do not have to reassign input help to fields on each screen.
Despite the introduction of search helps (and search help exits), there are still cases in which you need to use parts of the standard F4 functions directly. In this case, there are some standard function modules that you can use in the POV event. They support search helps, as well as all other kinds of input help, and are responsible for data transport between the screen and the input help. These all have the prefix F4IF_. The most important are:
F4IF_FIELD_VALUE_REQUEST
Calls the input help of the ABAP Dictionary dynamically. You can pass the component names of a structure or database table of the ABAP Dictionary to the function module in the import parameters TABNAME and FIELDNAME. The function module starts the ABAP Dictionary input help for this component. All of the relevant screen fields are read. If you specify the import parameters DYNPPROG, DYNPNR, and DYNPROFIELD, the users selection is returned to the corresponding field on the screen. If you specify the table parameter RETURN_TAB, the selection is returned into the table instead.
F4IF_INT_TABLE_VALUE_REQUEST
This function module displays a value list that you created in an ABAP program. The value list is passed to the function module as the table parameter VALUE_TAB. If you specify the import parameters DYNPPROG, DYNPNR, and DYNPROFIELD, the users selection is returned to the corresponding field on the screen. If you specify the table parameter RETURN_TAB, the selection is returned into the table instead.
There are also two function modules - DYNP_VALUES_READ and DYNP_VALUES_UPDATE - that can read the values of screen fields and return values to them during the POV event. For further information, refer to the relevant function module documentation.
Input help in dialog modules
REPORT DEMO_DYNPRO_F4_HELP_MODULE.
TYPES: BEGIN OF VALUES,
CARRID TYPE SPFLI-CARRID,
CONNID TYPE SPFLI-CONNID,
END OF VALUES.
DATA: CARRIER(3) TYPE C,
CONNECTION(4) TYPE C.
DATA: PROGNAME LIKE SY-REPID,
DYNNUM LIKE SY-DYNNR,
DYNPRO_VALUES TYPE TABLE OF DYNPREAD,
FIELD_VALUE LIKE LINE OF DYNPRO_VALUES,
VALUES_TAB TYPE TABLE OF VALUES.
CALL SCREEN 100.
MODULE INIT OUTPUT.
PROGNAME = SY-REPID.
DYNNUM = SY-DYNNR.
CLEAR: FIELD_VALUE, DYNPRO_VALUES.
FIELD_VALUE-FIELDNAME = 'CARRIER'.
APPEND FIELD_VALUE TO DYNPRO_VALUES.
ENDMODULE.
MODULE CANCEL INPUT.
LEAVE PROGRAM.
ENDMODULE.
MODULE VALUE_CARRIER INPUT.
CALL FUNCTION 'F4IF_FIELD_VALUE_REQUEST'
EXPORTING
TABNAME = 'DEMOF4HELP'
FIELDNAME = 'CARRIER1'
DYNPPROG = PROGNAME
DYNPNR = DYNNUM
DYNPROFIELD = 'CARRIER'.
ENDMODULE.
MODULE VALUE_CONNECTION INPUT.
CALL FUNCTION 'DYNP_VALUES_READ'
EXPORTING
DYNAME = PROGNAME
DYNUMB = DYNNUM
TRANSLATE_TO_UPPER = 'X'
TABLES
DYNPFIELDS = DYNPRO_VALUES.
READ TABLE DYNPRO_VALUES INDEX 1 INTO FIELD_VALUE.
SELECT CARRID CONNID
FROM SPFLI
INTO CORRESPONDING FIELDS OF TABLE VALUES_TAB
WHERE CARRID = FIELD_VALUE-FIELDVALUE.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
RETFIELD = 'CONNID'
DYNPPROG = PROGNAME
DYNPNR = DYNNUM
DYNPROFIELD = 'CONNECTION'
VALUE_ORG = 'S'
TABLES
VALUE_TAB = VALUES_TAB.
ENDMODULE.
The next screen (statically defined) for screen 100 is itself. It has the following layout:
The input fields have been adopted from the program fields CARRIER and CONNECTION. The pushbutton has the function code CANCEL with function type E.
The screen flow logic is as follows:
PROCESS BEFORE OUTPUT.
MODULE INIT.
PROCESS AFTER INPUT.
MODULE CANCEL AT EXIT-COMMAND.
PROCESS ON VALUE-REQUEST.
FIELD CARRIER MODULE VALUE_CARRIER.
FIELD CONNECTION MODULE VALUE_CONNECTION.
When the user chooses input help for the individual fields, the following is displayed:
For the Airline field, the POV module VALUE_CARRIER is called. The function module F4IF_FIELD_VALUE_REQUEST displays the input help for the component CARRIER1 of the structure DEMOF4HELP from the ABAP Dictionary, namely the search help DEMOF4DE. The users selection is returned to the screen field CARRIER.
For the Flight number field, the POV module VALUE_CONNECTION is called. The function module DYNP_VALUE_READ transports the value of the screen field CARRIER into the program. The program then reads the corresponding values from the database table SPFLI into the internal table VALUES_TAB using a SELECT statement, and passes the internal table to F4IF_INT_TABLE_VALUE_REQUEST. This displays the internal table as input help, and places the users selection into the screen field CONNECTION.
For POH------------
Field Help
There are three ways of displaying field help for screen elements:
Data Element Documentation
If you place a field on the screen in the Screen Painter by copying a ABAP Dictionary field, the corresponding data element documentation from the ABAP Dictionary is automatically displayed when the user chooses field help (as long as the help has not been overridden in the screen flow logic).
For further information about creating data element documentation, refer to data elements.
Data Element Supplement Documentation
If the data element documentation is insufficient, you can expand it by writing a data element supplement
Data element supplement documentation contains the heading Definition, as well as the following others:
Use
Procedure
Examples
Dependencies
To create data element supplement documentation for a screen, choose Goto ® Documentation ® DE supplement doc. from the element list of the screen. A dialog box appears in which the system proposes a number as the identified for the data element supplement. You can then enter help texts for the above headings using the SAPscript editor.
Data element supplement documentation created in this way is program- and screen-specific. Any data element supplement documentation created in the ABAP Dictionary with the same number is overridden by the screen-specific documentation. You can link existing data element supplement documentation created in the ABAP Dictionary with a screen field by using the table THLPF. To do this, crate a new row in THLPF containing the following data: Program name, screen name, field name, and number of the data element supplement documentation.
To display data element supplement documentation, you must code the following screen flow logic in the POH event:
PROCESS ON HELP-REQUEST.
FIELD <f> [MODULE <mod>] WITH <num>.
After PROCESS ON HELP-REQUEST, you can only use FIELD statements. If there is no PROCESS ON HELP-REQUEST keyword in the flow logic of the screen, the data element documentation for the current field, or no help at all is displayed when the user chooses F1. Otherwise, the next FIELD statement containing the current field <f> is executed.
If there is screen-specific data element supplement documentation for the field <f>, you can display it by specifying its number <num>. The number <num> can be a literal or a variable. The variable must be declared and filled in the corresponding ABAP program.
You can fill the variables, for example, by calling the module <mod> before the help is displayed. However, the FIELD statement does not transport the contents of the screen field <f> to the ABAP program in the PROCESS ON HELP-REQUEST event.
For further information about data element supplement documentation, refer to Data Element Supplements.
Calling Help Texts from Dialog Modules
If data element supplement documentation is insufficient for your requirements, or you want to display help for program fields that you have not copied from the ABAP Dictionary, you can call dialog modules in the POH event:
PROCESS ON HELP-REQUEST.
FIELD <f> MODULE <mod>.
After the PROCESS ON HELP-REQUEST statement, you can only use the MODULE statement together with the FIELD statement. When the user chooses F1 for a field <f>, the system calls the module <mod> belonging to the FIELD <f> statement. If there is more than one FIELD statement for the same field <f>, only the first is executed. However, the contents of the screen field <f> are not available in the module <mod>, since it is not transported by the FIELD statement during the PROCESS ON HELP-REQUEST event. The field help should not be dependent on the user input.
The module <mod> is defined in the ABAP program like a normal PAI module. The processing logic of the module must ensure that adequate help is displayed for the field in question. Instead of calling an extra screen with text fields, you should use one of the following function modules to display a suitable SAPscript document:
HELP_OBJECT_SHOW_FOR_FIELD
This function module displays the data element documentation for components of any structure or database table from the ABAP Dictionary. You pass the name of the component and structure or table to the import parameters FIELD and TABLE.
HELP_OBJECT_SHOW
Use this function module to display any SAPscript document. You must pass the document class (for example, TX for general texts, DE for data element documentation) and the name of the document to the import parameters DOKCLASS and DOKNAME. For technical reasons, you must also pass an empty internal table with the line type TLINE to the tables parameter of the function module.
For further information about how to create SAPscript documents, refer to the Documentation of System Objects documentation.
Field help on screens.
REPORT DEMO_DYNPRO_F1_HELP.
DATA: TEXT(30),
VAR(4),
INT TYPE I,
LINKS TYPE TABLE OF TLINE,
FIELD3, FIELD4.
TABLES DEMOF1HELP.
TEXT = TEXT-001.
CALL SCREEN 100.
MODULE CANCEL INPUT.
LEAVE PROGRAM.
ENDMODULE.
MODULE F1_HELP_FIELD2 INPUT.
INT = INT + 1.
CASE INT.
WHEN 1.
VAR = '0100'.
WHEN 2.
VAR = '0200'.
INT = 0.
ENDCASE.
ENDMODULE.
MODULE F1_HELP_FIELD3 INPUT.
CALL FUNCTION 'HELP_OBJECT_SHOW_FOR_FIELD'
EXPORTING
DOKLANGU = SY-LANGU
DOKTITLE = TEXT-002
CALLED_FOR_TAB = 'DEMOF1HELP'
CALLED_FOR_FIELD = 'FIELD1'.
ENDMODULE.
MODULE F1_HELP_FIELD4 INPUT.
CALL FUNCTION 'HELP_OBJECT_SHOW'
EXPORTING
DOKCLASS = 'TX'
DOKLANGU = SY-LANGU
DOKNAME = 'DEMO_FOR_F1_HELP'
DOKTITLE = TEXT-003
TABLES
LINKS = LINKS.
ENDMODULE.
The next screen (statically defined) for screen 100 is 100. It has the following layout:
The screen fields DEMOf1HELP-FIELD1 and DEMOF1HELP-FIELD2 from the ABAP Dictionary and the program fields FIELD3 and FIELD4 are assigned to the input fields. The pushbutton has the function code CANCEL with function type E.
The screen flow logic is as follows:
PROCESS BEFORE OUTPUT.
PROCESS AFTER INPUT.
MODULE CANCEL AT EXIT-COMMAND.
PROCESS ON HELP-REQUEST.
FIELD DEMOF1HELP-FIELD2 MODULE F1_HELP_FIELD2 WITH VAR.
FIELD FIELD3 MODULE F1_HELP_FIELD3.
FIELD FIELD4 MODULE F1_HELP_FIELD4.
The components FIELD1 and FIELD2 of structure DEMOF1HELP both refer to the data element DEMOF1TYPE. This data element is documented, and also has two supplements with numbers 0100 and 0200.
The following field help is displayed:
When the user chooses F1 on the input field for DEMOF1HELP-FIELD1, the data element documentation for DEMOF1TYPE is displayed, since the field does not occur in the PROCESS ON HELP-REQUEST event.
If the user chooses F1 repeatedly for the input field DEMOF1HELP-FIELD2, the data element documentation is displayed, along with the supplement documentation for either 0100 or 0200 alternately. The variable VAR is filled in the dialog module F1_HELP_FIELD2.
When the user chooses F1 on the input field for FIELD3, the data element documentation for DEMOF1TYPE is displayed, since this is called in the dialog module F1_HELP_FIELD3 by the function module HELP_OBJECT_SHOW_FOR_FIELD.
When the user chooses F1 on the input field for FIELD4, the SAPscript documentation DEMO_FOR_F1_HELP is displayed, since this is called in the dialog module F1_HELP_FIELD4 by the function module HELP_OBJECT.
Regards,
Deepu.K

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