New to RichFaces. SubTable and Backing Bean Question.

[nicksan]

Hello All!

Completely newbie to RichFaces here. We are using MyFaces and after some frustrations with the components we decided to go with RichFaces. So far, looks pretty good.

I am working on creating a page with an UPDATEABLE DataTable and SubTable. I've searched for a simple tutorial on using <rich:subTable> to no avail. I did check out the RichFaces demo however the demo only has the sample JSP code and not the code for the backing bean.

For now, it's a simple survey web page:

I have 4 tables.
tb_question : question_id int, question_description varchar(255)
tb_category : category_id int, category_description varchar(255)
tb_question_category_mapping : question_id int, category_id int
tb_user_survey : user_id varchar(25), category_id int, question_id int, answer int (answer: 1=yes, 2=no, 3=not tested, 4=not applicable)

I want something like this on my jsp

Category 1
Question 1 Answer(Radio Buttons)
Question 2 Answer(Radio Buttons)
Category 2
Question 3 Answer(Radio Buttons)
Question 4 Answer(Radio Buttons)
Question 5 Answer(Radio Buttons)
Category 3
Question 6 Answer(Radio Buttons)

Etc...

Right now I have a webpage working that lists everything straight up with no subtable. Looks like this:
Category 1 Question 1 Answer(Radio Buttons)
Category 1 Question 2 Answer(Radio Buttons)
Category 2 Question 3 Answer(Radio Buttons)
Category 2 Question 4 Answer(Radio Buttons)
Category 2 Question 5 Answer(Radio Buttons)
Category 3 Question 6 Answer(Radio Buttons)

This works fine. I just have a List in the backing bean and also have a binding to a org.richfaces.component.html.HtmlDataTable variable in the backing bean.

My newbie question is, how is everything re-arranged for using the subTable?

Do I need to have 2 Lists in the backing bean? If so, how does the 2 tables tie in to eachother? How does it know for Category 1, there are 2 questions, Question 1 and Question 2?

Any help is much appreciated!

Thx
Nick

[sergeysmirnov]

you can download the source code for the whole richfaces-demo from here:

http://jboss.com/index.html?module=bb&op=viewtopic&t=104575

[nicksan]

Thanks.

I checked it out and according to what I see it looks like I need to create another Java Class that will store a Catagory and all its questions...and have a List of these objects.

Then in my richfaces:dataTable I would iterate through these categories and listing out the questions in the subTable.

Does that sound right?

Also, since this is a survey and I will have radio buttons with values saved to the database, anything I should be concerned with?

I am using Hibernate for data persistence.

Thanks!
Nick

[nicksan]

OK, I got things working.
I created a class that stores a category and it's questions.
Then I created a List of these items and used this list for the datatable.

The link to the source code proved useful.

Thanks for your help!