Hello!
I think you need something like this in your admin.py:
class SystemAdmin(admin.ModelAdmin):
list_display = ("generation", "system", "cog_E")
ordering = ["-cog_E"]
search_fields = ("system")
list_filter = ("generation")
list_per_page = 10
admin.site.register(System, SystemAdmin)
Try this. =)
2011/4/9 Aref <[email protected]>
> I am working on a database project and I am facing a little challenge.
> Here it is.
>
> I have three tables defined as below:
>
> class Generation(models.Model):
> generation = models.CharField(max_length = 25)
>
> def __unicode__(self):
> return self.generation
>
> class CogE(models.Model):
> first_name = models.CharField(max_length=30)
> last_name = models.CharField(max_length=30)
> office_phone = models.CharField(max_length=15, blank=True)
> mobile_phone = models.CharField(max_length=15, blank=True)
> email = models.EmailField(blank=True)
>
> def __unicode__(self):
> return u'%s %s' % (self.first_name, self.last_name)
>
> class System(models.Model):
> system = models.CharField(max_length=30)
> cog_E = models.ForeignKey(CogE)
> project = models.ForeignKey(Project)
> generation = models.ForeignKey(Generation)
>
> def __unicode__(self):
> return self.system
>
>
> class Board(models.Model):
> board = models.CharField(max_length=30)
> sch_number = models.CharField(max_length=20, blank = True)
> PWA_number = models.CharField(max_length=20, blank = True)
> PWB_number = models.CharField(max_length=20, blank = True)
> system = models.ForeignKey(System)
> cog_E = models.ForeignKey(CogE)
> generation = models.ForeignKey(Generation)
>
> In the admin view I would like to the board generation field to be
> populated based on the system entry (since generation is also a field
> in the system table). Is this possible to do in django? Is the schema
> correct (I know this is not really a django issue)? Any help is
> greatly appreciated.
>
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