Yep, in the T4 case, there's no need to expose an advances CSS selector (wiring up widgets only uses ids + clients that know what js library they use are free to use that library's features)
Also, the T4 js abstraction is just a skeleton, i.e. all js libraries have to fully rewrite that... this surely introduced some duplications (esp. in the validation code) but it does mean that you're in complete control :) On Tue, Jun 16, 2009 at 3:03 PM, Onno Scheffers<o...@piraya.nl> wrote: > Thanks for this. > > Looking at the core.js, it looks like Tapestry 4 uses much simpler > selectors, mostly selecting elements by their id. > > That's one of the things I'm still thinking about: T5 uses advanced CSS > selectors in many places. Both jQuery and Prototype offer that feature, but > it'll be a lot of work to implement if the target JavaScript framework > doesn't offer it. > > The easy way (for me) is to expect the framework-specific implementation to > support CSS selectors, the hard way would be to rewrite all areas using > advanced selectors in the Tapestry.js file to use more simple selectors. > > > regards, > > Onno > > > On Tue, Jun 16, 2009 at 1:50 PM, Andreas Andreou <andy...@di.uoa.gr> wrote: > >> For reference, here's the js abstraction that T4 ended up with >> >> https://svn.apache.org/repos/asf/tapestry/tapestry4/trunk/tapestry-framework/src/js/tapestry-4.1.6/skeleton/core.js >> >> The dojo0.4.3 (& default) implementation is at: >> >> https://svn.apache.org/repos/asf/tapestry/tapestry4/trunk/tapestry-framework/src/js/tapestry-4.1.6/ >> but there's a jquery one at: >> >> https://tacos.svn.sourceforge.net/svnroot/tacos/tacos-4.1/trunk/tacos-jquery/src/js/tacos-jquery-js/tap-jquery1.2.1.js >> and the (incomplete) dojo 1.x at: >> >> https://tacos.svn.sourceforge.net/svnroot/tacos/tacos-4.1/trunk/tacos-dojo/src/js/tacos-dojo-js/tap-dojo1.0.2.js >> >> There was the concept of a JavascriptManager that basically groups a >> set of js and css files and can include >> them in a page - within the same app, different pages can use >> different JavascriptManagers... sounds similar to >> the stack concept that Howard mentioned recently. >> >> Finally, since IMHO components/widgets cannot really be cross-library >> without sacrificing features, e.t.c. >> there is the concept of component replacements - this is an >> application level configuration that can replace >> any given component with a different one... This of course assumes >> that the replacement component >> can understand (or at least ignore) the same parameters as the >> original one & allows to map >> dojo:Autocompleter -> jquery:Autocompleter, e.t.c. >> >> >> 2009/6/16 Pedro Januário <prnjanua...@gmail.com>: >> > Finally js extensions... >> > I believe this should be usefull add-on to tapestry, jquery is a very >> mature >> > framework with a lots of usefull plugins. >> > Implementing a abstraction layer should be very complex and problably >> very >> > very hard to achive, but could be a nice road to tapestry, but i believe >> > should considerer the effort of it's implementation against the really >> > bennefit. >> > >> > Althought keep the excelent work... >> > >> > Regards, >> > >> > *Pedro Januário* >> > ------------------------------ >> > *Delivering Innovation and Technology* >> > >> > >> > >> > 2009/6/16 Onno Scheffers <o...@piraya.nl> >> > >> >> > >> >> > I actually think you're doing really a nice work and that's great to >> >> read! >> >> >> >> >> >> >> >> Thanks Massimo. Still a long long way to go though. >> >> >> >> >> >> regards, >> >> >> >> Onno >> >> >> > >> >> >> >> -- >> Andreas Andreou - andy...@apache.org - http://blog.andyhot.gr >> Tapestry / Tacos developer >> Open Source / JEE Consulting >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org >> For additional commands, e-mail: users-h...@tapestry.apache.org >> >> > -- Andreas Andreou - andy...@apache.org - http://blog.andyhot.gr Tapestry / Tacos developer Open Source / JEE Consulting --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
