"which did not change with the 2.1 release and is unlikely to change". This
is not common in reality.

2011/7/1 David Chandler <drfibona...@google.com>

> While it's true that gwt-platform is not supported or endorsed by Google,
> note that gwt-platform creator Philippe Beaudoin was invited to present at
> Google I/O this year (see the video at
> http://code.google.com/p/gwt-platform/). Also note that both gwt-platform
> and Activities and Places are built on the same core History support in GWT,
> which did not change with the 2.1 release and is unlikely to change. While
> GWT may continue to add new features in Activities and Places, I don't
> anticipate any changes that would break gwt-platform. The GWT team values
> the many 3rd party projects around GWT and generally tries to keep core GWT
> APIs as loosely coupled as possible in order to permit different development
> styles.
>
> /dmc
>
> On Fri, Jul 1, 2011 at 9:14 AM, cri <chuck.irvine...@gmail.com> wrote:
>
>> I would imagine that GWT-Platform is better than GWT's native MVP (by
>> which I mean Activities/Places/ActivityMapper), otherwise it probably
>> wouldn't exist. The problem I have is that GWT-Platform isn't
>> supported by Google while their MVP is. Maybe GWT MVP isn't entirely
>> sufficient but it has worked well for us. It's not unreasonable to
>> assume that Google will enhance it in the future. What happens then
>> for development shops that have migrated to GWT-Platform and they are
>> tempted to switch back? They have existing code that uses another
>> framework and developers that are used to the non standard package.
>> Messy right?
>>
>> On Jul 1, 4:00 am, Russ <10wattmindt...@gmail.com> wrote:
>> > What I did was read through the MVP articles 1 & 2, read about the
>> Activity
>> > and Places approach, tried coding a bit to get more familiar with the
>> > terminology and then started using GWT-Platform. With the new plugin it
>> > simplifies all of the cruft and confusion that is MVP..
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > On Thu, Jun 30, 2011 at 8:02 PM, cri <chuck.irvine...@gmail.com> wrote:
>> > > Hmmmmmm.... Well, part of this is semantics I think. What exactly
>> > > constitutes MVP is the question. But regardless of that, it is true:
>> >
>> > > 1) That one can use the combination of Views, ClientFactory,
>> > > Activities, Places, PlaceHistoryMapper, and ActivityMapper as
>> > > described at
>> > >http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAnd.
>> ..
>> > > to organize and automate Activity/View transition. We've done this on
>> > > several projects and have more in the pipeline.
>> >
>> > > 2) The concepts/methods/classes described in the Part I and II
>> > > articles seem more manual and labor intensive and, though similar in
>> > > concept, are distinctly different in their detailed approach compared
>> > > to the above. We tried both with multiple real world projects and
>> View/
>> > > Activities/Places/ActivityMapper/etc we've found to be superior.
>> > > Interestingly, we really not used them at all for history management.
>> >
>> > > 3) One might argue that one is better than the other I guess but to
>> > > present them both, side by side, is just plain confusing to your user
>> > > base.
>> >
>> > > On Jun 30, 5:10 pm, David Chandler <drfibona...@google.com> wrote:
>> > > > Hi cri,
>> >
>> > > > Thanks for pointing this out. Ironically, I added that note along
>> with
>> > > other
>> > > > changes just a few days ago in order to try to decouple MVP from
>> > > Activities
>> > > > and Places. The GWT team, including Ray Ryan, doesn't think of
>> Activities
>> > > > and Places as an MVP framework. It's a way to manage browser history
>> and
>> > > > provides no base classes for presenters or views. MVP proper, as
>> we're
>> > > > currently defining it, is not concerned with browser history
>> management.
>> > > Ray
>> > > > Ryan's talk in 09 and the previous MVP articles mentioned these
>> concepts
>> > > > together, but they are not necessarily coupled, and we're trying to
>> > > reflect
>> > > > that in the docs going forward.
>> >
>> > > > At any rate, I hadn't noticed that the prior MVP articles discuss
>> browser
>> > > > history management and I can see how this would lead you down the
>> wrong
>> > > > path. We're working on updated versions, but in the mean time, I'll
>> add
>> > > > notes to the history management sections pointing forward to
>> Activities
>> > > and
>> > > > Places instead.
>> >
>> > > > Thanks again,
>> > > > /dmc
>> >
>> > > > On Thu, Jun 30, 2011 at 4:43 PM, cri <chuck.irvine...@gmail.com>
>> wrote:
>> > > > > I can only say that we've been very happy with the framework
>> described
>> > > > > at
>> > > > >
>> http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAnd.
>> > > ..
>> > > > > ,
>> > > > > aside from the issue I mentioned in my original post.
>> >
>> > > > > Regarding database access and login/logout - those seem separate
>> from
>> > > > > MVP really.
>> >
>> > > > > On Jun 30, 3:35 pm, Xybrek <xyb...@gmail.com> wrote:
>> > > > > > On Friday, 01 July, 2011 04:13 AM, cri wrote:
>> > > > > > > If you go tohttp://
>> > > > > code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAnd..
>> .,
>> > > > > > > you'll see the note:
>> >
>> > > > > > > ******************
>> > > > > > > Strictly speaking, MVP architecture is not concerned with
>> browser
>> > > > > > > history management, but Activities and Places may be used with
>> MVP
>> > > > > > > development as shown in this article. If you're not familiar
>> with
>> > > MVP,
>> > > > > > > you may want to read these articles first:
>> >
>> > > > > > >      Large scale application development and MVP, Part I
>> > > > > > >      Large scale application development and MVP, Part II
>> > > > > > > ******************
>> >
>> > > > > > > This has sent two of our development teams off in the wrong
>> > > direction.
>> > > > > > > I would be willing to venture that it has confused others as
>> well.
>> >
>> > > > > > > The problem is that folks go into the Part I and II articles
>> and
>> > > > > > > assume that GWT's MVP framework is being described and they go
>> off
>> > > and
>> > > > > > > duplicate it. But these articles don't describe GWT's
>> *current* MVP
>> > > > > > > framework. Instead, the articles describe an approach to MVP
>> that
>> > > > > > > preceded GWT official support.
>> >
>> > > > > > > Personally, I think that the reference to these articles
>> should be
>> > > > > > > removed from the MVP documentation pages so folks won't go
>> merrily
>> > > > > > > down the wrong path as others have.
>> >
>> > > > > > What is the best MVP we can use with GWT? I am currently looking
>> for
>> > > > > > some lightweight MVP framework with some samples that will give
>> me
>> > > the
>> > > > > > scaffoldings. With the connection to a database, through the
>> RPC. I
>> > > am
>> > > > > > also trying to understand how login-logout fits the MVP scenario
>> and
>> > > how
>> > > > > > when user is "logged in" the view is updated as data is modified
>> in
>> > > the
>> > > > > > database. I cannot see any example having a RPC service which
>> > > connects
>> > > > > > to database, say through hibernate. - Xybrek
>> >
>> > > > > --
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>> >
>> > > > --
>> > > > David Chandler
>> > > > Developer Programs Engineer, GWT+GAE
>> > > > w:http://code.google.com/
>> > > > b:http://googlewebtoolkit.blogspot.com/
>> > > > t: @googledevtools
>> >
>> > > --
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>> >
>> > --
>> > Which would you rather believe in: A God that never answers you or a
>> society
>> > that embraces you?
>>
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>>
>
>
> --
> David Chandler
> Developer Programs Engineer, GWT+GAE
> w: http://code.google.com/
> b: http://turbomanage.wordpress.com/
> b: http://googlewebtoolkit.blogspot.com/
> t: @googledevtools
>
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