Re: A Breadcrumb in PyCategories

On Fri, 2003-08-08 at 15:27, Joseph Reagle wrote:
> I was thinking that it'd be nice to have the category you are presently in 
> highlighted.  At first I was thinking of using the CSS trick of "body id" 
> [1], but don't think I can do get the to different plugins to emit 
> consistent IDs and accomplish the trick with a static CSS a priori... Then 
> I figured if I could just get PyCategories to emit a 'class="selected"' on 
> the category you are in presently, that would be useful. But, I don't think  
> PyCategories has access to that information (I looked  in 
> self._request.getConfiguration()). And I don't understand the plugin 
> architecture well enough to know if I could get to the two plug-ins to 
> cooperate, or whether that's a good idea architecturally.
> 
> So just an idea that perhaps someone else would know how to accomplish 
> easily.

What ever plugin you are talking about, it is easy to get the data you
need from the Request.getData()[path_info] and calculate what you need
from that variable. So if your request is /foo/bar/spam.html,
data['path_info'] would contain ['foo', 'bar', 'spam.html']. That is
what breadcrumbs should use, but I'm lazy to change that (if breadcrumbs
becomes too popular and people start mocking at how ugly it is :)

So there. For plugins to share information with each other is quite
easy, really. Plugins could load other plugins as modules, either use
their functions, or read the globals off them. In the blosxom world,
plugins do that. In pyblosxom, the comments family of plugins shares the
write_comment() function provided by the comments.py. pingback.py would
import comments.py and call write_comment(), no need to have seperate
functions doing the same thing.



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