I would like to use activeadmin filters with hstore:
In model I have got column amenities with Room.
I would like to do sth like this:
fil
You could just create a Formtastic custom input for the HStore Datatype. If you don't want the Hstore values to be editable this should be sufficient (you could additionally set the the input field to read-only with input_html_options):
class HstoreInput < Formtastic::Inputs::StringInput
end
This will break the attribute values on write though.