Also, any change in the Link from_hub or to_hub will result in the
form being reloaded so no need to change the dropdown lists after
being loaded....
On Oct 8, 9:22 am, sico <allensi...@gmail.com> wrote:
> by the way, I'm using django 1.0.2 .... but am not against upgrading
> if it helps me solve this problem!
>
> On Oct 7, 3:36 pm,sico<allensi...@gmail.com> wrote:
>
> > Suppose I have 4 models as below:
>
> > class Hub(models.Model):
> > name = models.CharField("Name", )
> > something-else = models.CharField("Something", )
>
> > class HubPlug(model.Model):
> > hub = models.ForeignKey(Hub)
> > plug_id = models.CharField("Plug Id (A, B, C, etc)", )
>
> > class Link(model.Model):
> > from_hub = models.ForeignKey(Hub, related_name =
> > "link_from_hub", )
> > to_hub = models.ForeignKey(Hub, related_name = "link_to_hub", )
> > link_type = models.CharField("Link Type", )
>
> > class LinkDetail(model.Model):
> > link = models.ForeignKey(Link)
> > from_plug = models.ForeignKey(HubPlug, related_name =
> > "link_from_plug", )
> > from_plug_type = models.CharField("From Plug Type", )
> > to_plug = models.ForeignKey(HubPlug, related_name =
> > "link_to_plug", )
> > to_plug_type = models.CharField("To Plug Type", )
>
> > now, I have an admin form for Link that shows the Link Details as
> > Tabular Inline:
>
> > class LinkDetailInline(admin.TabularInline):
> > model = LinkDetail
> > extra = 3
>
> > class LinkAdmin(admin.ModelAdmin):
> > inlines = [
> > LinkDetailInline,
> > ]
>
> > admin.site.register(Link, LinkAdmin)
>
> > The dropdowns for the from_plug to to_plug show all plugs and I'd like
> > them to just show the plugs for the respective from_hub/to_hub.
>
> > I'm guessing this would have to happen in the LinkAdmin class
> > somewhere, but where!!
>
> > thanks in advance,
> > Simon
>
> > p.s. would also be nice to only show those plugs that aren't in use
> > now but that should be easy once the above is sorted!
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