Using Flex with Seaside

Hello Guys!

I've read a lot of discussions on this forum about embedding flash  
component into seaside application. Little summary:

- Embed SWL object into seaside application and send session key to  
it via FlashVars.
- Create callbacks, which will send information in XML format to this  
application.

Now my question: How to create this callbacks. I know about method  
registerActionCallback, but i need to send some variables to this  
callback. For example i want following (JUST metacode):

get: aDataType dataForPeriod: aPeriod
   "1. get data of specific type for period from storage"
   "2. render it as XML"

How can i register such functions? How can i use them?

Most of all i want to create  httpservice object and use it to  
retrieve data from seaside application.


Cheers, Oleg


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> Now my question: How to create this callbacks. I know about method
> registerActionCallback, but i need to send some variables to this
> callback.

Have a look how the form fields (WAFormInputTag) define the callback.

Another example you find in the Scriptaculous library:
#callback:value:. This method is used to serialize the result of a
JavaScript expression (second argument) into the callback (first
argument) as part of an AJAX request.

Cheers,
Lukas

--
Lukas Renggli
http://www.lukas-renggli.ch
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Thanks, Lukas!

But i don't understand one thing. How will i render result to my flex application? For example i will register 2 callbacks with needed variables then:

- i will have 2 URLS to call, one per callback.

What URL should i call from flex application to seaside to parse this 2 variables and then send xml results? Do you have any idea? Or can u provide even a meta-code example, as you did with ModalBox?

P.S. I've done a modalbox wrapper, but i am working with VW, so how can i publish it on squeak source?

Lukas Renggli wrote

> Now my question: How to create this callbacks. I know about method
> registerActionCallback, but i need to send some variables to this
> callback.

Have a look how the form fields (WAFormInputTag) define the callback.

Another example you find in the Scriptaculous library:
#callback:value:. This method is used to serialize the result of a
JavaScript expression (second argument) into the callback (first
argument) as part of an AJAX request.

Cheers,
Lukas

--
Lukas Renggli
http://www.lukas-renggli.ch
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On Oct 15, 2007, at 12:22 PM, Oleg Richards wrote:

I had an example in the previous thread posting 'RE: [Seaside] re:  
how to generate session url's'

something like
flashXmlText := html urlForAction: [self call: (YourTargetClass new  
url: each descn: (each descn) )].

Merik
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