Question

Hi fellow django users,

How can I add a field from a related object in the list_editable admin property?

# models.py
class Order(Model):
    reference = CharField(max_length=25)

class Product(Model):
    name = CharField(max_length=50)
    order = ForeignKey(Order)

# admin.py
class ProductAdmin:
    list_display = ('name', 'order_reference')
    list_editable = ('name', 'order__reference') # <--- THIS !

    def order_reference(self, obj):
        return obj.order.reference

I tried it this way, but it won’t work. I also tried to add a property in the Product class, but nope, it won’t work either. Any clue?

Thanks.

Answer 1

From the documentation:

list_editable interacts with a couple of other options in particular
ways; you should note the following rules:

1. Any field in list_editable must also be in list_display. You can’t edit a field that’s not displayed!
2. The same field can’t be listed in both list_editable and list_display_links — a field can’t be both a form and a link.
3. You’ll get a validation error if either of these rules are broken.

Notice that you use *order_reference* and *order__reference* in list_display and list_editable, respectively. So in short, I don’t think you can do this easily. If you want to have inspiration, you could check out the implementation of pageadmin.py in django-cms, but it’s NOT straightforward!!