[Seaside] External events?

Julian Fitzell jfitzell at gmail.com
Tue Jan 26 22:21:54 UTC 2010

Hi John,

Good question. Not a reasonable *approach* I'd say, but perhaps a
reasonable workaround. :)

I wouldn't know without looking at it further (which I can't do right
this second) but it seems like there's a general problem here. It may
be that the RenderContext needs to be given the codec (JSObjects hold
onto their RenderContext for later use, I think). Or maybe the
JSObject should cache it. But I'm not sure.

There are some fundamental issues around encodings that we haven't
been able to solve in 3.0 (might be a goal for 3.1?) so you may just
need to work around this for now. Or Lukas may have a better

If you're sticking with the work around, you might want to do
something like what WAUrl>>printOn: does, which will be a little more
robust, I guess (and maybe that should be rolled into Seaside for now
- again Lukas will have an opinion on that).


On Tue, Jan 26, 2010 at 1:42 PM, John Chludzinski
<john.chludzinski at gmail.com> wrote:
> If I receive an external message (not a request from a browser) thru a
> socket telling me that all the presentation apps that share a particular
> Comet pusher need to advance to the next slide.  How should this best be
> done?
> My solution:  I saved a reference to one of the presentation apps and send
> it the message #nextPage (from a Workspace window).  This failed (got a
> walkback) in JSObject>>render:on: at
>       document := JSDocument on: aStream codec: self requestContext codec.
> Since 'codec' is never used in JSDocument I changed the line above to:
>       document := JSDocument on: aStream codec: #useless.
> This works BUT is it a reasonable approach?  Or is there a canonical
> solution to the problem of external events?
> ---John
> _______________________________________________
> seaside mailing list
> seaside at lists.squeakfoundation.org
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

More information about the seaside mailing list