Showing universal work list when user clicks a button in webdynpro java

Hi,
I am developing webdynpro java application, when user clicks a button i want to display Universal worklist in the portal, if user is logged in then it directly shows in portal otherwise it should asks for username and password.
Thanks,
Madhu

Hi Pithre,
For this you have to use portal navigation classes, Same scenario occurred in previous forums, search thoroughly before you post the question.
Go to the below link, May u r problem will be solved.
Universal Work List & Web Dynpro
Regards,
Pradeep

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Invalidate session when user clicks back button

I want to invalidate the session when user clicks back button, so that user cannot refresh and reload a page.
Any suggestions will be highly appreciated.
Message was edited by:
sam_amc

* SessionInvalidator.java
* Created on October 27, 2006, 9:18 AM
package web;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
* @author javious
* @version
public class SessionInvalidator extends HttpServlet {
 /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
 * @param request servlet request
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 PrintWriter out = response.getWriter();
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 * @param request servlet request
 * @param response servlet response
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}The problem with even attempting to do this is that with today's browser capabilities, users can optionally choose to jump to a particular page in the browser history and this may not necessarily be the most recent page. In this case, you would also want to invalidate the user's session after already having been there (whatever page that may be). Then you have situations when the user may wish to jump back in history to external pages they were visiting before they reached your own site's pages. Then what happens when they start clicking forward, forward, etc... from there? This is why I prefer writing Swing Clients as alternatives to browser applications. There are soo many possible ways break web applications made for standard web browsers both maliciously and simply by accident or irregular user patterns. Regardless, this servlet would work based on the assumption that all the user(s) would "ever" do aside from moving logically forward is clicking on the browser's "back" button.
cheers!
Message was edited by:
javious

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First, maybe there's an add-on to solve this? That would be easiest.
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How to call the transactions like billing and delivery when i click the button.I am developing a webdynpro alv report in that 2 buttons are there.one is confirmation and another is cancel.
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Hi Lakshmi,
It is not possible to directly call a transaction code from a wev application. Calling a transaction involves launching of SAP Dynpros which is not supported by WDA frame work.
One possible ways is to use transactional iViews in Portal. We can Associate a transaction code to this and when called, it launches the same in an R/3 Screen.
If you are using portal as a triggerring point of your web dynpro applications, then the below requirement is achieved by doing the following.
1. Create a BDC report program to call transaction CAT2 skipping the first screen.
2. The report has the same input parameters as that of the transaction CAT2.
3. Associate a transaction to the report program sat 'ZCAT2'.
In the event handler of the button in your web dynpro do that following
Data declarations
Local Internal tables(lt_)
lt_bus_parameter_list TYPE wdy_key_value_table,
lt_launcher_parameter_list TYPE wdy_key_value_table,
Local Work area's(ls_)
ls_keyvalue_pair TYPE wdy_key_value,
Local Variables(l_)
l_pcdpageurl TYPE string,
l_componentcontroller TYPE REF TO if_wd_component,
l_port_manager TYPE REF TO if_wd_portal_integration.
Constants(c_)
CONSTANTS:
c_transaction_code TYPE string VALUE 'ZCAT2',
c_okcode TYPE string VALUE 'F8',
c_param1 TYPE string VALUE 'P_Data_Entry_Profile',
c_param2 TYPE string VALUE 'P_person_number'.
l_componentcontroller = wd_this->wd_get_api( ).
l_port_manager = l_componentcontroller->get_portal_manager( ).
Fill all the business parameters
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = c_param1.
ls_keyvalue_pair-value = 'Data Entry Profile'.
APPEND ls_keyvalue_pair TO lt_bus_parameter_list .
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = c_param2.
ls_keyvalue_pair-value = 'Person Number'.
APPEND ls_keyvalue_pair TO lt_bus_parameter_list .
Fill the launcher parameters for the transaction
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'AutoStart'.
ls_keyvalue_pair-value = 'Yes'.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'GuiType'.
ls_keyvalue_pair-value = 'WinGui'.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'OkCode'.
ls_keyvalue_pair-value = c_okcode.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'System'.
ls_keyvalue_pair-value = 'SAP_R3_HumanResources'.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'TCode'.
ls_keyvalue_pair-value = c_transaction_code.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'Technique'.
ls_keyvalue_pair-value = 'SSF'.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
CLEAR ls_keyvalue_pair.
ls_keyvalue_pair-key = 'WinGui_Type'.
ls_keyvalue_pair-value = 'Shortcut'.
APPEND ls_keyvalue_pair TO lt_launcher_parameter_list.
SAP has provided us with customizing table to maintain the path for the iView.Here Resource_key is the key field to get the path.
We create a new entry in this table using which we uniquely identify the path of the iVew that needs to be launched.
get the url of the pcd page for the common transaction iView
SELECT SINGLE b~text
INTO l_pcdpageurl
FROM t7xssserstring AS b
INNER JOIN t7xssserres AS a
ON a~respcdpage = b~guid
WHERE a~ressource = /rio/zcl_hse_constants=>c_common_resource.
Navigate to the Injury Illness details
CALL METHOD l_port_manager->navigate_absolute
EXPORTING
navigation_target = l_pcdpageurl
navigation_mode = l_port_manager->co_show_external
use_sap_launcher = abap_true
business_parameters = lt_bus_parameter_list
launcher_parameters = lt_launcher_parameter_list.
The folowing is the flow of the program:
When user clicks a button to launch transaction CAT2, the event handler associated to it called.
Here we populate an internal table with the parameters to call transaction ZCAT2 and the iView is launched by calling navigate_absolute method with the right path.
I am not very much sure as to how the iViews are set up but there is a provision to read the key valure pair there. The values are read and the tranzation ZCAT2 is called which will inturn launch CAT2 transaction.
By adding Skip First screen statement we can get in the details directly.
Hope this helps.
Regards,
Sravan Varagani

When user clicks on "Like Button," the counter increases but nothing shows up showing the user recommends my site to their friends. What did I do wrong?

When user clicks on "Like Button," the counter increases but nothing shows up showing the user recommends my site to their friends. What did I do wrong?
I used the iframe code from Facebook's "Like Button" site; and inserted the code in the html widget popup box, then positioned it where I wanted it on my page and published. It looks fine (though I had to add "http" before my url to get it to show up).
So, when a user clicks on button, a pop-up opens asking for Facebook password. When I (the user) enter a password, nothing happens after that. I thought the idea was that a user would be able to show their friends that they like my website. After I entered my password in pop-up after clicking on "Like" I went to my facebook page (a company page) to see if it showed that I (the user that clicked on "Like" on iweb) recommended the website. But nothing showed up. I thought maybe it was because Facebook associated my password as the admin for the Facebook page so didn't count it. But a friend tried it and same thing happened. I went back and on one page I put in another facebook code for a combo Like/Send button. It shows up but acted the same as the regular Like button.
Questions:
1. Is this the way the Like Button is suppose to work? Only benefit of Like button being that it just counts the clicks on the Like button and does NOT let users share their recommendation with their friends?
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You want something like this?
http://home.wyodor.net/demoos/facebook/
The send button sends the link to their friends in the address field with a message.
They recieve a message in the inbox.
There's no post on a page.
If they want that, then they should share the link themselves.
Perhaps it's best to study what facebook has to offer and how it works instead of guessing what it is supposed to do and be disappointed.

How to initiate some action when user clicks a field in CRViewer?

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Showing universal work list when user clicks a button in webdynpro java

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