[Seaside] Seaside subsets
boris at deepcovelabs.com
Wed Feb 28 17:41:21 UTC 2007
Isn't CSS best left to people who do it for living anyway? They already
have the tools to get it right. For instance, there isn't a single
#style method in our application and all CSS is referenced externally.
DeepCove Labs Ltd.
4th floor 595 Howe Street
Vancouver, Canada V6C 2T5
boris at deepcovelabs.com
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> -----Original Message-----
> From: seaside-bounces at lists.squeakfoundation.org [mailto:seaside-
> bounces at lists.squeakfoundation.org] On Behalf Of Jason Johnson
> Sent: Wednesday, February 28, 2007 9:39 AM
> To: The Squeak Enterprise Aubergines Server - general discussion.
> Subject: Re: [Seaside] Seaside subsets
> Well, for my web pages I use Pier.
> But one thing I would change (and will if someone else doesn't before
> get there :) is how CSS rendering works. I think instead of having a
> #style message that just spits out a string, CSS should have it's own
> renderer. It more or less has it's own render phase anyway, we may as
> well make it official with a CSSCanvas class or something. This could
> help with browser version differences and maybe help with some of the
> problems with CSS fighting with Halos (i.e. conflict
> detection/resolution). I also have other ideas for such a renderer to
> make CSS building more accessible to non-programmers. ;)
> Avi Bryant wrote:
> > As 2.7 gets closer to beta (right?) and people might be thinking
> > what 2.8 or even 3.0 might look like, I thought it might be
> > interesting to share a somewhat surprising experience I've had:
> > DB, which is by far the most complex web application I've ever
> > on, uses really a rather small subset of Seaside. For example:
> > - We never use the old WAHtmlRenderer code. Ok, no surprise there,
> > but in case anyone was wondering, it's all Canvas all the way.
> > - We never use decorations, ever. No new subclasses of
> > no #isolate:, no #authenticateWith:during:,etc. Hasn't come up.
> > - We never use any of the standard dialog or widget components. For
> > us, anyway, the Canvas tags turn out to be the right level of detail
> > for reuse across apps. We do plenty of reusing components within
> > app, but a generic YesOrNoDialog or WATree doesn't cut it except
> > prototyping.
> > - We do use halos, and I'd like to use them more, but they do badly
> > with heavily CSS-styled layouts. Note that I only use them to see
> > page structure and for view source, I don't use the web-based system
> > browser (that's what the RFB Server is for).
> > - We do use the preferences system pretty heavily, with app-specific
> > subclasses of WASystemConfiguration that provide defaults we can
> > override from /config. But we don't use the baroque multiple
> > inheritance system.
> > #updateRoot: and #resourceUrl: heavily to bring in external .css and
> > .js files which the designer controls.
> > - We use WATask sparingly. In fact, pretty much the only use is for
> > collecting payment info, which is of course the classic example I
> > always give.
> > - We certainly do use #call: and #answer:, but much less than you
> > might expect given how much talk there is about continuations. And
> > the #call: stack rarely gets more than one component deep. Instead,
> > we're much more likely to conditionally render a child component, or
> > to have a "currentChild" state variable which is constantly modified
> > during navigation.
> > - Except for a handful of those "currentChild" state variables, we
> > don't use WAStateHolder or #registerObjectForBacktracking: at all.
> > Well, that's not strictly true: we use it once, with a single
> > session-global NavigationContext object that holds all the
> > backtrackable state as instance variables. The entire component
> > at any given time can almost always be determined by examining the
> > NavigationContext.
> > - We do use Scriptaculous, but mostly only the Ajax bits rather than
> > the effects.
> > So, I'm curious how typical my experience is. If it's shared by
> > of you, we may want to do some major housecleaning...
> > Avi
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