customizing subcategory name in dropdowns, yay:)

back-office/app/models/sub_category.rb

@@ -2,4 +2,15 @@ class SubCategory < ActiveRecord::Base
   belongs_to :category
   has_many :items
   has_many :filter_criterias, as: :owner
+  rails_admin do 
+    object_label_method do
+      :custom_subcat_name
+    end
+  end
+
+  def custom_subcat_name
+    cat = self.category.name
+    section = self.category.section.name
+    "#{section} -> #{cat} -> #{self.name}"
+  end
 end