> We developed a theme for use with the theme plugin but found some
> discrepancies within the code base.
I have found that the theme plugin is *very* useful for customizing
the basic trac look and feel, but doesn't necessarily wrest enough
control away from Trac if you are trying to do more fundamental
alterations to Trac's theming.
> For example, roadmap.css is loaded in the page body of the Roadmap
> page which masks the changes in the theme's css.
This is because the roadmap.css file is included via a genshi include
in the template. If you override the template, it is trivial to
remove this line.
I've been fiddling with a theme for Trac that uses this technique. I
have a custom trac plugin that implements ITemplateProvider and
IRequestFilter. In the post_process_request method, I have code like
this:
def post_process_request(self, req, template, data, content_type):
req.chrome['theme'] = 'blueprint-theme.html'
if resource_exists('blueprinttheme', 'templates/blueprint-%s' % template):
template = 'blueprint-%s' % template
links = req.chrome.get('links')
if links and 'stylesheet' in links:
... process stylesheets ...
Note the if resource_exists(...) line. If trac has a template named
'ticket.html' and you have a template named 'blueprint-ticket.html',
then your template will be used. This also gives you really fine
grained control over the markup, but only if/when you want it. You
can also tweak stylesheets to your heart's content. My plugin
provides a configuration directive to disable CSS files based on a
simple list.
> What is the recommended way to customise the trac look?
>
> Should we be modifying the css files in site-packages\trac\htdocs\css
> directly?
We should probably take this discussion off the dev list, though I
thought it worth pointing out how I've been able to do this. I don't
know that it is considered best practice, but it's the most effective
solution I've found.
David
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