[xwiki-dev] uses cases for collaborative tools on top of xwiki

[Ludovic Dubost]

Hi,

I agree we really need to keep JS libraries down to a maximum.
However concerning Ioana's project, I would really like to have Google 
Web Toolkit considerer.
GTW allows to much better handle the relationship with the XWiki Core 
and to organize the code much better. It also allows to write unit tests.
It is also very well suited for event drivent applications..

While it's true that we might not find SVG/VML/Drawing apis in GWT but 
we can wrap a library in GWT so that we can write the rest of the code 
in GWT

I'm currently finishing a base XWiki GWT Application providing some 
client services (in addition to the server services already available in 
the trunk).

Ludovic


Sergiu Dumitriu a écrit :
> This is kind of a thread hijack, Vincent.
>
> Indeed, there's a mess in the JS as well, as in the whole skin (the
> view part of XWiki). Two years ago there was no framework used, while
> last year we found prototype, scriptaculous, rico and our own AJAX
> wrapper + DHTML functions. And now we're going to add JQuery and Dojo,
> too. Here's my view on the matter:
>
> - Scriptaculous isn't used. We should seek if there are any references
> to it, and remove it.
> - Our own implementation should be pruned, meaning that we need to
> identify which functions are needed and are not provided by another
> framework, rewritten using a framework, and the stuff we don't need
> should be removed.
> - Rico is used mainly because when Marta added some skin dynamic
> features, it was already there, and she didn't feel like adding
> another fwk or writing her own implementation. If we decide to replace
> it with another fwk, then the only problem is that skins based on the
> current finch or albatross won't be easily upgradeable.
> - Prototype is used by Rico. I don't think we're using it very much,
> so it can be removed.
> - JQuery looks like a smaller alternative for simple skin needs.
> Either we keep Rico, or we switch to JQuery, it's just a matter of
> choice.
> - Dojo should be used for things that require complex interaction; it
> isn't needed for small things like the accordions or collapseable
> panels. But for a collaborative graphical editor, it's better to use
> it than make our own methods. So Dojo has its uses, and
> JQuery/Rico/Prototype has other uses. However, it includes the basic
> functionalities as a subset, and even some useful widgets. So the only
> reason why we should not switch completely to Dojo is that it takes
> longer to download and it requires more startup time.
>
> In conclusion, we can add Dojo for the advanced editor, and keep only
> one of Rico/JQuery/Prototype for simple skin needs.
>
> Sergiu
>
> On 5/22/07, Vincent Massol <vincent at massol.net> wrote:
>> Sorry I haven't checked your proposal yet. However the mention of "Dojo"
>> made me think. We're currently using Prototype in XWiki and I was 
>> tempted to
>> add JQuery as there is a plugin I'm interested in using. Now you mention
>> Dojo. That's starting to make a lot of framework in the same space :-)
>>
>> So my question to all of us:
>> - do we mind?
>> - is it ok to include several dhtml/ajax fwk? Isn't it going to 
>> weight too
>> much? Can we selectively decide to include only some fwk (somehow)?
>> - will we be having compatibility issues? (fwiw I've checked and it 
>> seems
>> jquery can be used with prototype if we're careful enough
>> (http://docs.jquery.com/Using_jQuery_with_Other_Libraries)
>>
>> I personally haven't used these fwks so I don't have any 
>> recommendation at
>> all. Funnily I've just come across this article this morning
>> (http://www.mrbool.com/articles/viewcomp.asp?comp=5311) but
>> it didn't really help...
>>
>> WDYT?
>>
>> Thanks
>> -Vincent
>>
>
>
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Ludovic Dubost
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