HI,

On Mar 31, 10:15 am, Blessed Geek <blessedg...@gmail.com> wrote:
> [...]
> Therefore, listing vaadin directory elements as generally useable GWT
> widgets  would be misleading because to use vaadin widgets, you would
> have to use them in a vaadin application

As I stated previously, the client side of the component (which is the
GWT part), is for many add-ons specifically made to be usable in
"plain GWT" without Vaadin (and even if it's not, it's still GWT and
can be usable, although it depends on the component how hard this is).
No one is trying to 'list' all the stuff in directory as general GWT
components, though.

On the other hand, with only a few exceptions so far, the _core_
components of Vaadin are not of any use in a "plain GWT" project.
Perhaps this is what you were thinking about? (especially considering
the Directory was opened only yesterday)

> [...]
> It is difficult to use vaadin to
> construct a mashed application set. It is difficult to use vaadin to
> construct a site mashed from facebook, twitter, youtube, yahoo
> elements as well as under GAE constraints.

I don't actually find these particularly difficult, and the Directory
will make this sort of thing even easier (ready-made components for
specific tasks), but you should certainly make that call yourself -
whether or not tool X or tool Y is better suited for you and your task
at hand. I would use Vaadin for some project, for others plain GWT
would be my choice, and for yet other tasks, I might choose jQuery.
This recent "designbygravity" blog post presents some views on where
Vaadin excels, it might shed some light on what Vaadin is all about:
http://designbygravity.wordpress.com/2010/03/21/for-the-love-of-vaadin-rias-done-right/

I'll also point out something that is quite often misunderstood:
Vaadin is not competing with GWT, and is not "built on top of" -
instead Vaadin is using GWT, embracing it, and loving it. Vaadin has a
different target, providing a server-driven programming model with a
tight client/server integration. Those who have not done so already,
might want to try both (actually, don't limit yourself to these two),
so that you know which tool to apply to which problem.

Best Regards,
Marc

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