Definition of an application screen. The screen has application icons in it.
class ApplicationScreen(models.Model):
Definition of an application icon. Essentially they consist of a name, an icon and an url.
class ApplicationIcon(models.Model):
If not filled in, the link gets class "notworking"
url = models.CharField(max_length=200, blank=True, null=True)
application_screen = models.ForeignKey(ApplicationScreen)
index = models.IntegerField(default=1000)