I've inlined a model so that when I add a new object of the parent
model ( for the inlined model ) I can add child model instances in the
same form, all done in admin.py. Standard stuff actually. But each
child object has a sort_order-field with default value = 1. I'd like
to have that default value reflect what order the inlined model is in
the parents form. Say I add a new parent, in my form for adding a
parent in the admin, I automatically get three inlined child items I
can add if I want, each exposing a sort_order field with the value 1.
I want those inlined models to get sort_order = 1, 2 and 3. If I click
to add a new child item in that same form, it should be giving
sort_order = 4, then 5 etc. You get the picture?

Is this possible?

-- 
Mvh/Best regards,
Thomas Weholt
http://www.weholt.org

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