That's pretty much what I figured. Thanks.
On Mar 6, 9:12 am, "[EMAIL PROTECTED]"
<[EMAIL PROTECTED]> wrote:
> On Mar 6, 12:42 pm, David Reynolds <[EMAIL PROTECTED]>
> wrote:
>
>
>
> > On 5 Mar 2008, at 6:17 pm, Josh Ourisman wrote:
>
> > > There are two ways in which I want to customize the admin interface
> > > for a project I'm working on. As far as I can tell, these sorts of
> > > customizations aren't built in, but before I start trying to write
> > > them myself I just want to make sure I'm not reinventing the wheel
> > > here. So, the two things I want to do are as follows:
>
> > > 1. This is a multi-site project, so most models have a site field. One
> > > particular model, locations, has a site field as well as a many-to-
> > > many relationship with the neighborhood model which also has a site
> > > field. What I want is that when editing a location object the
> > > neighborhoods that show up in the select box are only those
> > > neighborhoods that are related to the same site as the location being
> > > edited.
>
> > > 2. The location model also has a URL field which is non-required. I
> > > would like, when listing the locations in the admin interface, to be
> > > able to filter the view based on whether or not the location has a
> > > URL. Currently, if I just add that field as a filter it lists every
> > > single value of that field which isn't what I want (as there are
> > > several hundred values).
>
> > > Is there some easy built-in way to do either or both of these things
> > > that I'm just not aware of?
>
> > As you say, in trunk currently there is no real way of doing this. I
> > suggest you take a lot at the newforms-admin trunk and see if you are
> > able to do these kinds of modifications using that.
>
> It looks as though there are no hooks for handling the filter lists in
> newforms-admin so you'll need to override the changelist_view in your
> ModelAdmin class and most likely create your own FilterSpec subclass
> for the site, neighbourhood and URL fields. You could also cheat and
> just add in some links on the page which apply appropriate filters in
> the GET variables (Fields don't have to be in 'list_filter' for
> filtering to work).
>
> For 1 I think that you can most probably do something by creating a
> custom manager, but this isn't something that I've played with, so
> cannot offer any more help.
>
> Regards,
>
> Felix
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