Declaring Variable in Web dynpro ABAP

Hi all
I want to know how to declare variables globally and how to use internal tables from one method to another method without declaring each and every time in methods?
Please suggest me to do this
Appreciated your solution
Regards
Indiranjithn

Hi
This code in onselct method. For example
DATA lt_node_am_detl1 TYPE wd_this->Elements_node_am_detl1.
logic to move the data to internal table.
lo_nd_node_am_detl1->bind_table( lt_node_am_detl1 ).
Now the filterd data in internal table and
I declared this internal table in componentcontroller attributes tab like
lt_node_am_detl1 and Elements_node_am_detl1 (Associate column ) and i tick the pulic check box.
i am using another method onclick() .
As you said the internal table declaration is not required if declared already in componentcontroller attributes tab .
data wa_itab like line of lt_node_am_detl1 .
Loop at lt_node_am_detl1 to wa_itab.
endloop.
while debugging i am not getting data in internal table .. Should I declared correctly in componentcontroller attributes tab .
Tlhanks
Indiranjithn

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Window Navigation In Web Dynpro ABAP

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Problem in web dynpro ABAP program

There are 2 input fields on first view carrid, connid and one "GO" Button
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Insert the source code for doing the following:
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I am a fresher, My concept of bindings and cardinality are not so clear so can anybody help me out?
Thanx in advance for replying.

Hi johnright ,
    No i dont think it is necessary that while binding internal table with context node should have same no of fields as the internal table . You might get some improper values in the corresponding fiels but it will not lead to any error.
In your OUTPUTVIEW once you created the table UI element in layout and you bind it to FLIGHTTAB node you dont have to use any code wizard method to display the values. If the node contains values it will display automatically. (in your case you are filling it in step #).
Check :-
1. In your On action GO after filling the table you are firing the out bound plug :-
    WD_THIS->FIRE_INITIAL_OUT_PLG(
2.All outbound plug and inbound plug are link properly and every thing is ACTIVATED.
If still unable to find the error try to debug method wise and find where the error occurs and reply to us.
Binding:-
In web dynpro ABAP you will not able to get any value of any variable outside of any method. Here we use context node which is referrence that we create reference to any particular structure we required. Now to hold the values you need to bind
the values of your internal table to the context node.
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If the node is in component controller then the you bind a value to the node from one view and you can get it in another view.
Remember binding and mapping are not same.
Mapping is done between node like inthe second scenario i have explained you need to create a node in view controller and then you need to map it to the corresponding view of component controller to send values across view.
cardinality:-
Each node contains data fields that represent one of the following:
    An individual instance of an object type
    A table of instances.
This property of a node is known as its cardinality of table of instances.
If you need table instance :- 0..n or 1...n
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In case you need a individual instance of a object or like you want value like a structure only :- 0...1 or 1....1.
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Monishankar C

Adding attachments to workflow from Web Dynpro ABAP Application program.

Hi,
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TABLES
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EXCEPTIONS
then followed by:
CALL FUNCTION 'SAP_WAPI_ATTACHMENT_ADD'
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DOCUMENT_OWNER = SY-UNAME
LANGUAGE = SY-LANGU
IMPORTING
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Could you please let me know where am i doing wrong?
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@Ruslim Chang
Sorry to point out but the FM will return the Workitem ID only so there is no problem with the LV_WF_ID variable.
@vundralla nagaraju
Instead of making binding between attachobjects make binding between
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what are the steps??

Hi Ankit,
1.create a node(Eg:PDF) with attribute(SOURCE type xstring )
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Pass the output of the smartform function call to
function module CONVERT_OTF to convert it to PDF data.
method displaypdf .
data : l_x(1) value 'X'.
data: lv_text type char3,
lv_syucomm type char1,
ls_pdf type xstring,
lv_fm_name type rs38l_fnam,
lv_control_parameters type ssfctrlop,
lv_output_options type ssfcompop,
lv_ssf_output type ssfcrescl,
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ig_componentcontroller=>element_zinput.
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* Error MESSAGE
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lv_control_parameters-no_dialog = l_x. "No print dialog
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lv_output_options-tddelete = space. "Print parameters,
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* ARCHIVE_INDEX * ARCHIVE_INDEX_TAB *
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* MAIL_APPL_OBJ * MAIL_RECIPIENT * MAIL_SENDER
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user_settings = space
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internal_error = 2
send_error = 3
user_canceled = 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.
refresh lt_otfdata.
lt_otfdata[] = lv_ssf_output-otfdata[].
call function 'SSFCOMP_PDF_PREVIEW'
exporting
i_otf = lt_otfdata
exceptions
convert_otf_to_pdf_error = 1
cntl_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.
data: l_dummy type standard table of tline,
pdf_data type xstring,
pdf_size type i.
clear: pdf_data, pdf_size.
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call function 'CONVERT_OTF'
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node_pdf = wd_context->get_child_node( name if_componentcontroller=>wdctx_pdf ).
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elem_pdf->set_attribute(
exporting
name = `SOURCE`
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Thanks
Chinnaiya P

How to display an status Icon in Table UI web dynpro ABAP?

Hi Experts ,
How to display an status Icon ( Traffic light ) in Table UI web dynpro ABAP? can somebody tell with a coding example. also I need to update status on condition so whats the best way?
Thanks in advance.
Regards,

Hi Laeeq,
click on table cntrol n place it on the screen..
now click on the icon button n place it in the table control area.. a column of icons get created. name it (say) ICON.
in the PBO..
loop at internal table and call module in the loop (say) .
MODULE ICON_DISP.
now in the module try the foll code :
module icon_display output.
check some condition and assign the icon to the variable icon_r
icon_R = 'ICON_GREEN_LIGHT'.
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EXCEPTIONS
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 OUTPUTFIELD_TOO_SHORT = 2
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IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
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ENDIF.
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where icon(35) and icon_r(35) type c .
hope this helps u..
Regards
Aparna

How to find the BADI'S in Web Dynpro ABAP

Hi Experts,
I'm new to Web Dynpro ABAP. Can any one tell me, how to find the BADI'S for standarad components like i.e DEMO_ROADMAP .Please tell me, steps/procedure to find the BADI'S in WDA.
Thanks ,
Chaitanya
Moderator message: wrong forum, please have a look in the "Web Dynpro ABAP" forum.
Edited by: Thomas Zloch on Jun 18, 2011 4:30 PM

Hi Nagaraju,
There is another fool-proof method to find BADIs while executing a transaction -
1. Goto transaction SE80
2. Select "Class / Interface", type in the class name CL_EXITHANDLER and 'Enter"
3. On the method GET_INSTANCE, create a Breakpoint just after the call to cl_exithandler=>get_class_name_by_interface at the following line -
CASE sy-subrc.
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CL_EXITHANDLER is a service class that is called by standard SAP code everytime a BADI is about to be called. So, setting a breakpoint here should let you know exactly which BADIs are called.
Hope this helps!
Thanks,
Rohini.

Web Dynpro JAVA VS. Web Dynpro ABAP

Hi,
I'm interested in advantages and disadvantages of WD JAVA & WD ABAP. Could anybody give me some "detailed" information about it?
We need any information you can give us.
regards,
Sharam

Hi,
Web Dynpro for ABAP:
Web Dynpro for ABAP or Web Dynpro for ABAP (WD4A, WDA) is the SAP standard UI technology for developing Web applications in the ABAP environment. It consists of a runtime environment and a graphical development environment with special Web Dynpro tools that are integrated in the ABAP Workbench (SE80).
The use of declarative and graphical tools significantly reduces the implementation effort
1) Web Dynpro supports a structured design process
2) Strict separation between layout and business data
3) Reuse and better maintainability by using components
4) Automatic operation of the Web Dynpro application using the keyboard
5) User interface accessibility is supported
6) Full integration in the reliable ABAP development environment
for more see:
http://help.sap.com/saphelp_nw2004s/helpdata/en/77/3545415ea6f523e10000000a155106/frameset.htm
Web Dynpro for Java:
Web Dynpro is a client-independent programming model of the SAP NetWeaver technology platform for developing user interfaces for professional business applications. It is based on the model view controller paradim which ensures that the business logic is separated from the presentation logic. This architecture is visible in the Web Dynpro perspective of the SAP NetWeaver Developer Studio (NWDS).
Web Dynpro helps you with the development of Web applications by:
1) Ensuring platform-independence with the meta model approach
2) Minimizing the implementation effort through declarative programming
3) Supporting a structured design process by applying the model view controller paradigm
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for more see:
http://help.sap.com/saphelp_nw2004s/helpdata/en/15/0d4f21c17c8044af4868130e9fea07/content.htm
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hope it helps
regards

Userid of a Portal-user in Web Dynpro ABAP

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Thanks in advance
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Hi Michael,
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Hello all,
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Thanks and Regards,
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Hello friend,
WebDynpro     *
1     Do not implement Data intensive operations in UI layer
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4     Are Windows/Views only used for the sole purpose of hosting views and context?
5     Are a reasonable number of views put in a single WD Component instead of creating multiple WD Components ?
6     Unneccessary usage of dynamic programming and dynamic component avoided
7     Are singleton nodes used in case of nesting in the context ?
8     Is deep nesting of containers, Groups and Tabstrips avoided ?
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Extended Check and Clean Up
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Want docs for Web Dynpro ABAP

Hi All ,
Can anyone please send me the Docs or link for Web Dynpro ABAP .
Thanks in advance
Rahul

Hi,
Web Dynpro ABAP
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/db22242d-0701-0010-28a2-aeaa1fefd706
Also, I have the official Web Dynpro for ABAP documentation. Please let me know if I should send it to you.
Hope that the following also helps you.
Web Dynpro for ABAP (WD4A, WDA) is the SAP standard UI technology for developing Web
applications in the ABAP environment. It consists of a runtime environment and a graphical
development environment with special Web Dynpro tools that are integrated in the ABAP
Workbench (SE80).
Web Dynpro offers the following advantages for application developers:
? The use of declarative and graphical tools significantly reduces the implementation
effort
? Web Dynpro supports a structured design process
? Strict separation between layout and business data
? Reuse and better maintainability by using components
? The layout and navigation is easily changed using the Web Dynpro tools
? Stateful applications are supported that is, if the page is changed and the required
data remains intact so that you can access it at any time throughout the entire
application context.
Note that stateless applications are not possible.
? Automatic data transport using data binding
? Automatic input check
? Automatic operation of the Web Dynpro application using the keyboard
? User interface accessibility is supported
? Full integration in the reliable ABAP development environment
Web Dynpro Architecture
Definition
Web Dynpro is the SAP NetWeaver programming model for user interfaces (UIs).
The Web Dynpro model is based on the Model View Controller paradigm, and has the
following features that build on the classic dynpro model:
? Clear separation of business logic and display logic
? Uniform metamodel for all types of user interfaces
? Execution on a number of client platforms.
? Extensive platform independence of interfaces
Structure
Metamodel Concept
Web Dynpro provides support for developing Web representation of a business application.
You use specific tools to describe the properties of a Web Dynpro application in the form of
Web Dynpro metadata. The necessary source code is then generated automatically and
executed at runtime. In addition to the events offered by the framework, you can also define
your own events for a Web Dynpro application. However, the event handling must always be
programmed in separate source code areas which are executed automatically when the event
is triggered at runtime.
In Web Dynpro, each user interface is always made up of the same basic elements. These
elements of the metamodel can be statically declared using Web Dynpro tools.
It is also possible to implement elements of the metamodel at runtime and to change them or
reintegrate them at runtime. Using these implementations, you can make any changes or
enhancements to a user interface that has been created by declarative methods by
generating new interface structures at runtime.
This means that you can combine declarative processes and the implementation of source
code.
Graphical Development Tools
To support this declarative concept, both the SAP NetWeaver Developer Studio and the
ABAP Workbench contain a range of Web Dynpro tools. You can therefore generate a large
proportion of a Web Dynpro application using the tools provided, without having to create your
own source code. This applies to the following parts of the application:
? Data flow between the front end and back end
? Layout of the user interface
? Properties of user interface elements
The Web Dynpro tools enable you to create source text areas manually within generated
source texts. These areas are not changed if the source code is regenerated.
Separation of Business and Application Logic
Using Web Dynpro enables a clear separation of business logic and display logic. A Web
Dynpro application runs on the front end and has local or remote access to the back end
system via a service. This means that the display logic is contained in the Web Dynpro
application, while the business logic and the persistence of the business objects run in the
back end system. The following options are currently available for connecting Web Dynpro
applications and the back-end system:
? An interface generated using adaptive RFC, through which BAPIs of an SAP system
can be called
? An interface for calling Web services
? A self-generated interface
The source code required for connecting the Web Dynpro application can be generated
from a UML definition of the Web Dynpro interface. A UML definition can be imported
into the Web Dynpro tools as an XML file.
Conversion of the Model-View-Controller
Conversion of the Model-View-Controller Programming Model
Every Web Dynpro application is structured according to the Model View Controller
programming model:
? The model forms the interface to the back end system and thus enables the
Web Dynpro application access to data.
? The view is responsible for the representation of the data in the browser.
? The controller lies between the view and the model. The controller formats
the model data to be displayed in the view, processes the user entries made by the
user, and returns them to the model.
/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos
http://help.sap.com/saphelp_nw04s/helpdata/en/77/3545415ea6f523e10000000a155106/frameset.htm
Reward points if useful
Regards
Anji

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The problem is that when I click on the F4 button, nothing happens.
Is anything else needs to be done?
Thanks
Sagar

Hi Amol,
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Var fieldname = "yourfieldname";
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Ragards,
Amol Patil.

[Integration] Web Dynpro ABAP calling Flex in Popup (without Flash Islands)

Hi,
We do not intend to install Enhancement Package 1 in a near future.
Nevertheless, we do have requirements where Flex should be integrated with Web Dynpro ABAP (Flex components embedded or 'attached' to Web Dynpro ABAP applications).
I would like to open a popup showing a Flex component. Then, the user validates and the Web DYnpro ABAP application is resumed. All this integrated within EP 7.0.
What, according to you, would be the most effective combination :
- Suspend / Resume plug
- Server-side cookies
- iFrame (although it is deprecated)
Given what I have read so far, it seems encapsulating the .swf within a BSP application would be the best shot. Could it be possible to get rid of this 'additional layer' ?
Thanks in advance.
Best regards,
Guillaume

Web Dynpro ABAP
Define a suspend and a resume plug.
BSP
Retrieve the parameters sent by WDA either by AUTO attributes or the following code
CONSTANTS: c_resume_name TYPE string VALUE `sap-wd-resumeurl`.
DATA: lt_tihttpnvp TYPE tihttpnvp.
FIELD-SYMBOLS: <fs_httpnvp> LIKE LINE OF lt_tihttpnvp,
 <fs_dept_magasin> LIKE LINE OF t_dept_magasins.
** Lecture des paramètres envoyés (par le WD ABAP)
CALL METHOD request->get_form_fields
CHANGING
 fields = lt_tihttpnvp.
READ TABLE lt_tihttpnvp ASSIGNING <fs_httpnvp> WITH KEY name = c_resume_name.
IF sy-subrc = 0.
e_url = <fs_httpnvp>-value.
ENDIF.
Flex
To return to the Web DYnpro ABAP, call a Javascript function within the BSP using this kind of code :
jsReturn = ExternalInterface.call("sendBackToSAP", selectedDepartmentsParam, orderParam);
BSP
First, to react to the user action in the Flex component, define a Javascript function in the
 function sendBackToSAP(departements, ordre) {
 fireServerEvent(departements, ordre);
 return("Done");
To fire a server-event (in order for BSP to call the WDA resume plug), I use this declaration :

 <bsp:htmlbEvent name= "fireServerEvent"
 id = "flexAction"
 p1 = "departements"
 p2 = "ordre"></bsp:htmlbEvent>
Last, I simply call the URL that the WDA gives me first :
navigation->goto_page( e_url ).
If people are interested in a more detailed presentation, feel free to reply to this post, and I will write a blog about this. Nevertheless, it should become pretty obsolete with the Flash Islands release...
Edited by: Guillaume Garcia on Oct 11, 2008 11:13 AM

Declaring Variable in Web dynpro ABAP

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