Well, Saul, golden rule is unfortunately, what you can cover with components
usually is very easy in jsf, what you cannot cover with components is rather
hard to solve, due to the higher abstraction,
there however if you cannot encapsule that stuff in a component for reuse
(there is an excellent popup component set on the net btw... link will follow)
you always can manually fall back to jsp, which I had to do in any of my 
projects so far
to a small degree, that eases things a lot.

The problem is that you ofte are on a higher level and things feel so natural 
like a real ui
in many cases that you instantly thing you have to solve problems the jsf way, 
which probably
cannot be solved in a short time jsf like if you run into them. And then forget
that there still is the possibiltiy of a simple jsp fallback)

Btw. here is the link to the popup library:
http://www.jenia.org/

that should resolve your popup problems in a better way than with jsp.

Werner




Saul Qunming Yuan wrote:
> 
> Thanks Nebojsa & Navid for your reponses, that help a lot. It makes a
> lot sense now. What's puzzling me is, this is a such a common use case,
> why it's so complicated to make it to work in JSF. It takes minutes
> in JSP. I'm now starting another task, ie, opening a popup in
> JSF. Another few minutes job in JSP, looks like another can of worm in
> JSF. Well, that's for later.
>  
> Saul
>  
> 

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