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Ancestry in Rails Admin
Jiri Kolarik edited this page Oct 12, 2013
·
9 revisions
Category model snippet:
class Category < ActiveRecord::Base
attr_accessible :name, :parent_id
has_ancestry
def parent_enum
Category.where.not(id: id).map { |c| [ c.name, c.id ] }
end
end
Rails admin configuration snippet :
config.model Category do
field :name
field :parent_id, :enum do
enum_method do
:parent_enum
end
end
end
Note that parent_id is virtual attribute and is not column in database.
Drag and drop tree view plugin for rails_admin: https://github.com/dalpo/rails_admin_nestable