Yes, this should be done in main using using gluon/contenttype after
creating the Response object. I would take a patch for this.
Massimo
On Oct 7, 10:56 am, Jonathan Lundell <jlund...@pobox.com> wrote:
> On Oct 7, 2009, at 8:44 AM, Julio wrote:
>
>
>
> > This is good, specially if on your website you implement some sort of
> > "skinning" allowing the users to dynamically switch "layouts" using
> > the same css file, thanks for sharing this.
>
> You're welcome.
>
> I think it's a generally useful capability, and I hope that there's a
> more elegant way of incorporating it into web2py. As I was saying
> somewhere else, a generic.css file doesn't really work (unless you're
> generating all your CSS content in controllers). At the very least,
> perhaps the logic (where?) that creates the default html headers could
> recognize that it's got a .css file and create css headers instead.
>
>
>
> > On Oct 7, 8:19 am, Jonathan Lundell <jlund...@pobox.com> wrote:
> >> On Oct 6, 2009, at 2:54 PM, Eric Vicenti wrote:
>
> >>> Thanks, mdi and Jonathan. I will borrow your __cssheaders()
> >>> function,
> >>> if you don't mind.
>
> >> I should have commented it a bit first, but it's not all that subtle.
>
> >> By the time the controller runs, the response has been set up as a
> >> standard html page. So we delete cookies and the default caching, and
> >> use Expires caching (an hour as shown) so that, in theory anyway (I
> >> haven't tested this against browsers yet) the performance should be
> >> fairly close to static.
>
> >> When I'm actually working on the CSS, I reduce the Expires timeout to
> >> 3 seconds (or whatever you like) so that my changes appear promptly.
>
> >> Here's a slightly cleaner version:
>
> >> def __cssheaders():
> >> '''
> >> edit default response headers for CSS
> >> serve text/css with no cookies, limited caching
> >> '''
> >> response.cookies = Storage() # no cookies
> >> for header in ('Last-Modified', 'Expires', 'Pragma'):
> >> if header in response.headers: del response.headers[header]
> >> response.headers['Content-Type']='text/css'
> >> response.headers['Cache-Control'] = 'max-age=3600, must-
> >> revalidate'
> >> response.headers['Cache-Control'] = 'max-age=3, must-revalidate'
>
> >>> Is there any way to have some code in the css.py controller which
> >>> will
> >>> automatically define functions for all my css files in /views/css/ ?
> >>> All it would need to do is run the __cssheaders() function and
> >>> return
> >>> dict(), but it feels unnecessary to maintain a list of functions
> >>> when
> >>> there are files.
>
> >>> -Eric
>
> >>> On Oct 6, 2:29 pm, Jonathan Lundell <jlund...@pobox.com> wrote:
> >>>> On Oct 6, 2009, at 1:35 PM, mdipierro wrote:
>
> >>>>> It is good practice to put in the CSS only relative urls to other
> >>>>> static files. That is not a problem with web2py.
>
> >>>>> If you need to include in the CSS urls generated by {{=URL(....)}}
> >>>>> then you should promote the css from a static file to a dynamic
> >>>>> page:
> >>>>> 1) make a controller for it
> >>>>> 2) make a view ending in .css
> >>>>> 3) call the action from the layout ending in .css
> >>>>> 4) in the .css view use absolute paths to include images
>
> >>>> When I tried serving dynamic CSS (I wanted to dynamically control
> >>>> colors, fonts, etc), I had to do some work to get the result served
> >>>> as
> >>>> text/css (which is necessary). I ended up hacking that (and some
> >>>> other
> >>>> header stuff, like caching) in the controller, but I suppose it
> >>>> could
> >>>> happen in the view.
>
> >>>> I notice that there's no generic.css.
>
> >>>> I have a controller, css.py, that looks like this:
>
> >>>> import time
> >>>> from gluon.storage import Storage
>
> >>>> def __cssheaders():
> >>>> '''
> >>>> edit default response headers for CSS
> >>>> serve text/css with limited caching
> >>>> '''
> >>>> response.cookies = Storage()
> >>>> response.headers['Content-Type']='text/css'
> >>>> response.headers['Cache-Control'] = 'max-age=3600, must-
> >>>> revalidate'
> >>>> if 'Last-Modified' in response.headers: del response.headers
> >>>> ['Last-Modified']
> >>>> if 'Expires' in response.headers: del response.headers
> >>>> ['Expires']
> >>>> if 'Pragma' in response.headers: del response.headers
> >>>> ['Pragma']
>
> >>>> def xxx():
> >>>> '''
> >>>> app/css/xxx.css
> >>>> set fonts and colors to be substituted via xxx.css view
> >>>> '''
> >>>> __cssheaders()
> >>>> font_serif = 'cambria, georgia, "times new roman", serif'
> >>>> font_sans = 'corbel, "Helvetica Neue", Helvetica, Arial, sans-
> >>>> serif'
> >>>> return dict(dark_color="#8e1650", second_color="#635e54",
> >>>> light_color="#e9e7de",
> >>>> accent_color="#edab05", flash_color="white",
> >>>> flash_background="#8e1650",
> >>>> body_background_color="#e8e8e8",
> >>>> content_background_color="white",
> >>>> font_body=font_serif,
> >>>> font_logo=font_sans,
> >>>> font_head=font_sans,)
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