28 May
2014
28 May
'14
11:25 a.m.
On Wed, May 28, 2014 at 12:10 PM, Guillaume "Louis-Marie" Delhumeau
<gdelhumeau(a)xwiki.com> wrote:
2014-05-28 10:43 GMT+02:00 Marius Dumitru Florea <
mariusdumitru.florea(a)xwiki.com>gt;:
All clear.
On Tue, May 27, 2014 at 11:47 AM, Guillaume
"Louis-Marie" Delhumeau
<gdelhumeau(a)xwiki.com> wrote:
Ok.
I have mapped "highlightColor" (color theme variable) to
"@nav-link-hover-bg" (bootstrap variable).
So, when slat changes @nav-link-hover-bg to gray, I want to be able to say
"$theme.highlightColor" is gray too.
How can I do that?
1/ Parsing the LESS file
or
2/ Parsing the CSS output file
I am prototyping the method 2.
Concretly, at the end of my style.less file, I add:
/* this class is actually useless for the browser */
.colortheme-highlightColor{
color: @nav-link-hover-bg;
}
LESS transforms it to:
.colortheme-highlightColor{
color: #eee;
}
Now, my parser looks at every classes starting by ".colortheme-". The
mapping looks like this:
.colortheme-NAME_OF_THE_VARIABLE{
color: VALUE_OF_THE_VARIABLE;
}
2014-05-27 9:56 GMT+02:00 Denis Gervalle
<dgl(a)softec.lu>lu>:
just
Hi Guillaume,
Maintaining retro-compatibility for theme using LESS code is too much.
Maintaining retro compatibility could be simply to support importing
existing color themes in the new theme system made for bootstrap and no
more.
Let me show you an example:
The Activity Stream has its own CSS, which does:
#template('colorThemeInit.vm')
...
.activityPage:hover , .activityApplication:hover , .activityUser:hover {
background: $theme.highlightColor;
}
...
So when my mouse is hovering the AS, its background color change. By
default, it's a kind of yellow.
Now, if I want to integrate a bootswatch theme, let say 'slate' [1]. I copy the LESS files ([2] and [3]) in my
textarea.
It looks very good [4], until my mouse comes over the activity stream...
that becomes yellow! [5] Something needs to be done.
All clear up to here.
A solution could be to manually fix the colors in
the color theme editor
but it defeats the principle to easily integrate a bootstrap kit found on
the web...
That's why I would like to parse the LESS
code. With the solution 3,
which
is easy to implement, we have a solution.
So you need to set the value of $theme.highlightColor to a color taken
from the 'slate' theme (which was taken from bootswatch). I must say I
didn't understood very well what you mean by parsing the LESS output.
Can you give more details (for solution 3)?
So my parser is able to say "highlightColor"
= "#eee".
WDYM by "my parser"? The CSS parser? I've used CSSOMParser a few times
in the past, such as here
https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwi…
Hope this helps,
Marius
I agree... it looks like a hack. But it is the simplest way I have found to
compute the color theme from a LESS file...
Thanks,
Marius
look
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I agree it's not perfect, but it could be a migration path until we
change
all the CSS of every applications!
> Regarding the customization of Bootstrap, it exists a couple of tools
> already. It allows far more than just color customization. Have you
check
if one of
those existing tools could be adapted (and have appropriate
license) ?
I am looking at it. Not sure we could find it (easy to integrate,
maintained, compatible with XWiki....).
Thanks,
Guillaume
[1] Slate: http://bootswatch.com/slate/
[2] Slate variables.less: http://bootswatch.com/slate/variables.less
[3] Slate bootswatch.less: http://bootswatch.com/slate/bootswatch.less
[4] Results:
http://tof.canardpc.com/view/7740a7ee-29f4-454f-99e7-f45ef53d9095.jpg
[5] Not good:
http://tof.canardpc.com/view/a23e7101-449d-4fed-a922-cf58323220d3.jpg
>
> Thanks,
>
>
> On Mon, May 26, 2014 at 3:49 PM, Guillaume "Louis-Marie" Delhumeau <
> gdelhumeau(a)xwiki.com> wrote:
>
> > Hi!
> >
> > The current color theme editor is designed for colibri, and does not 
> > like flamingo does. We have several
options here:
> > - create a new color theme editor, especially for Flamingo
> > - modify the current one to detect which skin is currenlty used, and
> change
> > the preview.
> >
> > The application will be splited in 2 sections:
> > 1/ a live preview where you can set some variables (what we currenlty
> have)
> > 2/ a free textarea where the user can fill LESS code (for example,
some
> > code downloaded on bootswatch).
> >
> > But a lot of applications already use the color theme as it is, via
the
> > "colorThemeInit.vm" template.
So we need a retro-compatibility: a
color
> > theme computed by LESS must be usable
with old color themes.
> >
> > Concretly, we will map the old color theme variables to the bootstrap
> ones,
> > example:
> > $theme.notificationSuccessColor = @brand-success
> >
> > But because of the section 2 (the free textarea), we are not able to
know
> > what will be the final value of a
bootstrap variables without parsing
the
> > content of the textarea!
> >
> > What are the options we have:
> > 1/ Implementing our own LESS parser/compiler in Java
> > 2/ Trying to reuse the official LESS Parser through Rhino in a way
that
> we
> > can get the computed variables
> > 3/ Do not parse the input but the ouput: parse the CSS code to get the
> > final values of the variables
> >
> > I'm for 3.
> >
> > The idea is to create some CSS classes like this:
> > .colortheme-bordercolor{
> > color: @border-color;
> > }
> >
> > which will be converted by LESS to:
> > .colortheme-bordercolor{
> > color: #000000;
> > }
> >
> > so we can parse it and know the value of $theme.bordercolor. It is
quick,
>
simple, but it pollutes the output CSS a little.
>
> WDYT?
>
> Thanks,
> Guillaume
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--
Denis Gervalle
SOFTEC sa - CEO
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