MASingleOptionDescription optionsAndLabels asDynamicObject d'ont work

[Lukas Renggli]

On May 5, 2008, at 15:46 , Dario Trussardi wrote:

> Hi All,
>
> i have one description based on MASingleOptionDescription.
>
> Now it work well when define the items with the options: 
> [ MACityModel DataBase asArray] asDynamicObject.
>
> But because i need to view more text for any item in the list,
>     i define the options with the method
>
>     optionsAndLabels:[( MACityModel DataBase asArray) collect:[:itm|  
> Association key: itm value: itm display]] asDynamicObject
>
> With it the list is right create but d'ont update at " dynamic time   
> " with new item or change to MACityModel DataBase items.
>
> How i can solve my problem ?

If you look at #optionsAndLabels: you see that the code disassembles  
the list. #options: does not do that. So if you want to use  
#optionsAndLabels: you can't use #asDynamicObject. As you can read in  
the FAQ I discourage to use #asDynamicObject anyway.

   http://www.lukas-renggli.ch/smalltalk/magritte/faq

I suggest to use option (1).

Cheers,
Lukas

-- 
Lukas Renggli
http://www.lukas-renggli.ch