Multilingual LOV based on a cookie chosen language

Question

I have a multilingual application where I have to show several LOV (AF:seletOneChoice) fields.
The values shown by the LOVs depend on the language the user has chosen. If the user has chosen English, the LOV values must be shown in English. It he chooses Spanish, the LOV values must be shown in Spanish.
The values for this LOVs are recorded in database internationalized tables like this: CODE, IDI_CODE (BOTH PK) AND DESCIRPTION.
I have VO that retrieves these desription in all the languages.
The language chosen by the user is recorder in a Session Managed Bean.
I have seen that I can assign multiple LOVs to one field (one per language for exmple) or I can use a bind variable in the View Accessor of the LOV, but they always have to be mapped to a VO column, not a Managed bean attribute.
How do I do this ?
I have also thought in creating new VOs (only one per LOV) with bind variables and assign values to this bind varaibles (the language) at the beginning of the application. Then, for these user the LOVs will always display the description in the language selected at the beginning of the application.
Thank you.

Answer 1

Hi, any expert with any idea ?
I think that showing information in a selectonechoice component from a multilingual table -selecting by the language chosen by the user- should be a usual functionality.
I haven't been able to implement it yet, but a best practice or at least a procedure to do it should be very appreciate.
I have read a lot of documentation about LOV, viewcriteria, etc and I have make some tests but at the moment I'm not able to get it.
The test case is this: Imagine a table whose PK is CODE+LANGUAGE and an additional column DESCRIPTION.
Imagine you have in these table some description about countries. Every country description is in English, Spanish and French.
When your user logs in your application, you know (in a manage bean that reads a cookie) the prefered language of this user.
Then you have to show him a page with a selectonechoice of countries. In this SOC you only have to show him the countries description in the language hi has chosen (in the managed bean). If the user prefers english, then all records with LANGUAGE='ENG' should be displayed in the SOC.
That it is. So simple but at the moment It seems impoosible to me to implement in ADF.
I have tried to add a binding variable in the base VO, but when this VO is defined as a ViewAccessor it detects the binding variable of the base VO (in the Edit view Accessos dialog), and you have to put some value for this bind variable in the "Bind parameter values" block. If you don't do this, although previously programmatically you assign a value to the binding variable, when the SOC is displayed it resets the binding variable and looses the value previously assigned by the program.
I have also tried with a view criteria+binding variable but it happens exactly the same and for the same reason: The "Edit View accessor" also detects the binding variable when you select the available view criteria and it resets it to the value assigned in this page. But in this page you can not assigned a managed beaen attribute to the binding variable, only an VO attribute ! If you don't punt any value, then a null is assigned althoug the biding variable has a previously programmatically assigned value.
I have also tried to create one viewcriteria to filter every possible language (in my case only three) and assign it at the beginning of the application, but the "Edit view accessos" page ask for the viewcriteria you want to assign to the lov and if you don't choode any, then it resets again and show all records deactivatingthe view criteria you have previously/programmaticaly assigned.
Thank you.