You could put each select in a partial then re-render it when coming back from the rjs with the updated select items.
On Aug 11, 9:20 pm, Mark Thomas <[email protected]> wrote: > Thanks Frederick for looking at my issue. > > Apparently I don't have a full understanding of how the AJAX request > interacts with (or I guess doesn't interact with) the form_for... > So is the basic idea of what I'm attempting completely wrong or is > there some slight modification I can do to pull it off? > Basically, I have a form where I want to create a new listing record - > but I want the fields to be restricted to values stored in the > automodels Model in the database (and the model drop-down to be > filtered based on the make selected). > From what I've been reading, the best way to do the "dynamic select" > is using AJAX. However, I guess the collection_selects are never > inside a form in the examples I've read? > > I'm open to any suggestions from the experts here - even if it means > overhauling the whole thing... :-) > > On Aug 11, 3:54 am, Frederick Cheung <[email protected]> > wrote: > > > On Aug 11, 2:50 am, Mark Thomas <[email protected]> wrote: > > > > Hello - > > > > ActionView::TemplateError (undefined local variable or method `f' for > > > #<ActionView::Base:0xb6e7b2f4>) on line #1 of app/views/listings/ > > > _automodels.html.erb: > > > <%= f.collection_select :model, @automodels, :model, :model, {:prompt > > > => "-Select a Make First-"} %> > > > > This leads me to believe that the "f" variable the rest of the fields > > > in the form_for are using is not available to the newly-replaced > > > "collection_select", but I'm not sure why? > > > Because that f referred to a form builder object created by form_for. > > You're in a different scope to when you rendered the original form, in > > a different request, with a different instance of the controller, > > possibly on a different mongrel or even a different server. The form > > builder isn't going to magically appear. > > > Fred --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
