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From "Simon Lessard" <simon.lessar...@gmail.com>
Subject Re: DWR and ADF Faces
Date Thu, 05 Oct 2006 15:10:48 GMT
True, adding a filter to create the context is way better. You cancreate a
new filter extending TrinidadFilter as well. You create the FacesContext,
then you call super.doFilter to initialise RequestContext as well.


On 10/5/06, Matthias Wessendorf <matzew@apache.org> wrote:
>
> regarding 1) I wouldn't change the DWRServlet, hard to maintain...
>    just create your own filter that does the same like the FacesServlet.
>
> 4,5) yeah can be tricky :)
>
> Good luck ;)
>
> On 10/5/06, Simon Lessard <simon.lessard.3@gmail.com> wrote:
> > If it works, the result will be consistent in any environment.
> >
> > What I'm unsure about is the feasibility in a short time in an easy way.
> Let
> > me enumerate the technical difficulties I see, maybe they willappear
> trivial
> > to you:
> >
> > 1. Get a FacesContext instance. Fix: Change DWRServlet code a bit to
> > instanciate the FacesContext. Main difficulty: I don't know if
> > FacesContextFactory will like the XMLRequest format of AJAX, it's
> possible
> > that it don't whine at all though. If that's the case, this point is not
> a
> > real issue.
> > 2. Get a RequestContext instance. Fix: Add AdfFilter to DWRServlet. Main
> > difficulty: None connected directly to this point.
> > 3. Use the dialog feature of RequestContext. Difficulty: None
> > 4. Open the dialog, e.g. how do you manage the callback method?
> Difficulty:
> > Dialog is based on some internal Trinidad JS and PPR code that will call
> a
> > window.open instead refreshing the page. With DWR you'll most likely
> need to
> > do that yourself, but I'm not perfectly sure on that point. I know the
> > dialog framework, but I'm not a guru.
> > 5. Managing return event. Fix: I have no clue, it might works like
> magic,
> > but I never used dialog framework that way.
> >
> > If you try it an it works, I would be glad to hear it though.
> >
> >
> > Regards,
> >
> > ~ Simon
> >
> > On 10/5/06, Anthony Yulo <Anthony.Yulo@headstrong.com> wrote:
> > >
> > > Im planning to do this on a production environment.  Nightmarish? So
> > > you're
> > > saying that this is not adviseable to implement this on a production
> > > environment? What do you mean nightmarish? The results will not be
> > > consistent?
> > >
> > > -----Original Message-----
> > > From: Simon Lessard [mailto:simon.lessard.3@gmail.com]
> > > Sent: Thursday, October 05, 2006 10:29 PM
> > > To: adffaces-dev@incubator.apache.org
> > > Subject: Re: DWR and ADF Faces
> > >
> > > Using DWR to do that will be nightmarish I think... You'll need a
> > > TrinidadContext instance as well to push the dialog...
> > >
> > > Hmmm I think this could be a nice improvement for Trinidad though, an
> > > attribute to send an action from any JavaScript event. Maybe a keyword
> > > placed in the event attributes, or new attributes altogether. All
> > > components
> > > implementing that would have to also implement
> ActionSource/ActionSource 2
> > > though. This is not a small change, but it would open a whole new
> level of
> > > functionality.
> > >
> > >
> > > Regards,
> > >
> > > ~ Simon
> > >
> > >
> > > On 10/5/06, Anthony Yulo <Anthony.Yulo@headstrong.com> wrote:
> > > >
> > > > Well I know the launchDialog function gets called so I know that the
> DWR
> > > > is
> > > > working and that I can all java code from the javascript.  However,
> the
> > > > popup window is not showing and that the browser is issuing an
> alertbox
> > > > with
> > > > message: "null".  And, Simon said that as long as you don't use the
> > > > FacesContext's instance, it will be fine.  But here I am using the
> > > > FacesContext.
> > > >
> > > >
> > > > Here is the actual code:
> > > >
> > > > public void launchDialog() {
> > > >
> > > >         System.out.println("Launch Dialog called.");
> > > >           FacesContext context = FacesContext.getCurrentInstance();
> > > >
> > > >         ViewHandler viewHandler = context.getApplication
> > > > ().getViewHandler();
> > > >
> > > >         UIViewRoot dialog = viewHandler.createView(context,
> > > > "/pages/iv/dialogPage.jsp");
> > > >
> > > >
> > > >         HashMap properties = new HashMap();
> > > >             properties.put("width", new Integer(250));
> > > >             properties.put("height", new Integer(150));
> > > >
> > > >
> > > >
> > > > AdfFacesContext.getCurrentInstance
> > > > ().launchDialog(dialog,properties,null,tru
> > > > e,properties);
> > > >         System.out.println("after launch" + componentId);
> > > >
> > > >
> > > > }
> > > >
> > > > -----Original Message-----
> > > > From: mwessendorf@gmail.com [mailto:mwessendorf@gmail.com] On Behalf
> Of
> > > > Matthias Wessendorf
> > > > Sent: Thursday, October 05, 2006 10:08 PM
> > > > To: adffaces-dev@incubator.apache.org
> > > > Subject: Re: DWR and ADF Faces
> > > >
> > > > what was the result of that?
> > > >
> > > > or haven't you tried?
> > > >
> > > >
> > > >
> > > > On 10/5/06, Anthony Yulo <Anthony.Yulo@headstrong.com> wrote:
> > > > > Actually what I want is to launch a dialog when the onfocus()
> event
> > > > fires.
> > > > >
> > > > > I am getting the FacesContext Instance on the method that is
> called by
> > > > the
> > > > > javascript so that will pose a problem?
> > > > >
> > > > >
> > > > > <af:inputText ...  onfocus=FocusFunction() />
> > > > > ...
> > > > > ...
> > > > > ...
> > > > >
> > > > > //
> > > > > function FocusFunction() {
> > > > >
> > > > >    BackingBean.launchDialog();
> > > > > }
> > > > >
> > > > > ...
> > > > > ...
> > > > > ...
> > > > > public void launchDialog() {
> > > > >    FacesContext context = FacesContext.getCurrentInstance();
> > > > >     ...
> > > > >     ...
> > > > >     ...
> > > > >
> > > > > }
> > > > >
> > > > > -----Original Message-----
> > > > > From: Simon Lessard [mailto:simon.lessard.3@gmail.com]
> > > > > Sent: Thursday, October 05, 2006 9:41 PM
> > > > > To: adffaces-dev@incubator.apache.org
> > > > > Subject: Re: DWR and ADF Faces
> > > > >
> > > > > I did not try it, but I don't see any reason why it would not work
> > > > though,
> > > > > as long as you don't need a FacesContext instance in your DWR
> method.
> > > If
> > > > you
> > > > > do, it might get hellish.
> > > > >
> > > > >
> > > > > Regards,
> > > > >
> > > > > ~ Simon
> > > > >
> > > > > On 10/5/06, Anthony Yulo <Anthony.Yulo@headstrong.com> wrote:
> > > > > >
> > > > > > Has anyone tried to integrate DWR with ADF Faces?
> > > > > >
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> > > >
> > > > --
> > > > Matthias Wessendorf
> > > > http://tinyurl.com/fmywh
> > > >
> > > > further stuff:
> > > > blog: http://jroller.com/page/mwessendorf
> > > > mail: mwessendorf-at-gmail-dot-com
> > > > *************The information transmitted is intended only for the
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> > > privileged material. Any review,retransmission,dissemination or other
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> > >
> >
> >
>
>
> --
> Matthias Wessendorf
> http://tinyurl.com/fmywh
>
> further stuff:
> blog: http://jroller.com/page/mwessendorf
> mail: mwessendorf-at-gmail-dot-com
>

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