This is the link to the discussion I found, probably there are more.
http://article.gmane.org/gmane.comp.java.wicket.devel/2566
Martijn
On 11/6/05, Ralf Ebert <[EMAIL PROTECTED]> wrote:
Hmm,
> I still don't understand the benefit of a automatically generated id.
> I mean it is generated and I can reference it only in js if I know the
> algorithm. Of what benefit is it than?
hmm, seems we're talking about different things. I want a way to ask
a component for the document id it will render so I can use that in
generating _javascript_ code referring that components markup. Use case
is the dropdownchoice again; I need the dropdownchoice to render a id
attribute so it can be referred in the browser later on.
> How many components in average require an id which gets referenced by
> JS? Does it realy help that much to automatically generate them?
Everytime you want to touch component based markup using client side
_javascript_ it's needed. A way to have components render ids is a
basic requirement for using them (as they are) in client side
_javascript_. So, yes :)
> you just suggest behaveours as wells. Would it make sense to have
> application wide behaviours which get applied to all components and
> one of these behaviours would than implement it? I actually prefer
> that over your suggest Interface.
Yep, the behaviour idea is actually newer than the "I need a id"
problem. This is another nice usecase for behaviours; there could be
a DocumentIdRequired behaviour which would get the id into the
components markup. This behaviour could even be requested by other
behaviours (which want to do advanced things at client side with the
component).
But as id generation is a pretty basic thing for _javascript_ it still
could make sense to have components doing this by default...
Regards,
Ralf
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