search for: model_item

I am working on an application where there are many different screens to access the data in a particular record/row. I have links to each data entry screen at the top. Is there a way to detect whether the current hash has been changed from the stored record so I can prompt the user if they attempt to change screens without having saved their changes to the data? Craig

Here''s what I''m trying to do: class Model < AR::Base acts_as_list :scope => [:key_one_id, :key_two_id, :key_three_id] end with the idea being that there are these three references from this table (one of them being optional) that define the list. I don''t think acts as nested set works in this situation because I''m still just dealing with a single list