InlineModelAdmin Options

With Grappelli, you get some additional attributes for defining your InlineModelAdmin.

collapse open, collapse closed

There are two options for displaying inline-groups. With "collapse open", the inline-group is collapsible and open by default. With "collapse closed", the inline-group is collapsible but closed by default. Without using a class, the inline-group won´t be collapsible.

class NavigationItemInline(admin.StackedInline):
    
    classes = ('collapse open',)
    ...

sortable inlines

You can make inlines sortable (drag/drop) using a position field (i.e. PositiveSmallIntegerField) and an additional property with admin.StackedInline or admin.TabularInline.

The field specified in the sortable_field_name will be hidden in the change_form.

#model.py

class TabularOne(models.Model):
    ...
    # position field
    position = models.PositiveSmallIntegerField("Position")
    class Meta:
        ordering = ['position']
    ...

#admin.py
class TabularOne(admin.TabularInline):
    ...
    # define the sortable
    sortable_field_name = "position"
    ...