Hi,
+1 for the first variant: a new property inside SSX
Regarding compatibility with older skins, I'm curious if I can use LESS for
older skins.
Use case: If I have an old application with an existing ssx and I want to
adapt the style to be more Flamingo like:
- I would keep the current ssx and I would prefix all the css with a
.skin-colibri { .... }
- this means I would need the ssx to be processed with LESS (in order to
automaticaly add the skin prefix for all selectors)
- but I wouldn't need any of the new FlamingoThemes variables (since
Colibri doesn't know about them). So I assume I don't add any FlamingoTheme
variables in my ssx
- some ssx might use old ColorTheme variables, so the ssx needs to be
parsable.
So the question is: would we be able to use LESS even for old ssx?
Thanks,
Caty
On Thu, Dec 11, 2014 at 11:20 AM, Guillaume "Louis-Marie" Delhumeau <
[email protected]> wrote:
> Hi.
>
> Since the beginning of the week, I am working to have the LESS
> pre-processor inside our Skin Extension objects (see:
> http://jira.xwiki.org/browse/XWIKI-10708). It would enable us to use the
> Flamingo Theme variables and all bootstrap's mixins inside SSX (see
> http://jira.xwiki.org/browse/XWIKI-11374).
> Example of use-case: http://jira.xwiki.org/browse/XWIKI-11408 (Menu
> Application: Improve default look to make it better-looking with the
> Flamingo skin).
>
> I have created a design page there for the details:
> http://design.xwiki.org/xwiki/bin/view/Proposal/LESSModuleImprovements
>
> I propose to add a new property inside the XWiki.StyleSheetExtension class
> which will be called "CSS preprocessor". The actual possible values would
> be "LESS" or "none", but in the future we can imagine having "SASS" or
> anything else. Then I propose to change the actual SSX action to perform a
> LESS compilation if needed. Note that the user would still be able to use
> or not Velocity in addition of the CSS preprocessor.
>
> The other possibilities (that are not part of this proposal) are to create
> a new XWiki.LESSStyleSheetExtension and a new LSSX action which would
> behave exactly as the previous objet and action, or to have the ability to
> choose the processor directly inside the SSX content, with a special line
> like "# preprocessor = less" or something like that.
>
> I have made a prototype that is working (
> https://github.com/xwiki/xwiki-platform/tree/feature-less-ssx) and I am
> taking care of the compatibility with older skins that do not use LESS
> (Colibri for instance).
>
> Here is my +1. I would like to commit it today to have it in 6.4M2. I have
> done a lot of refactoring on the LESS module (with a better cache system
> among other things) that I don't want to commit in a release candidate.
>
> Thanks,
> --
> Guillaume Delhumeau ([email protected])
> Research & Development Engineer at XWiki SAS
> Committer on the XWiki.org project
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>
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