diff options
Diffstat (limited to 'actionpack/lib/action_view')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index 6da55e4479..4c050cae00 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -204,21 +204,45 @@ module ActionView # fields_for suitable for specifying additional model objects in the same form: # # ==== Examples - # <% form_for :person, @person, :url => { :action => "update" } do |person_form| %> + # <% form_for @person, :url => { :action => "update" } do |person_form| %> # First name: <%= person_form.text_field :first_name %> # Last name : <%= person_form.text_field :last_name %> # - # <% fields_for :permission, @person.permission do |permission_fields| %> + # <% fields_for @person.permission do |permission_fields| %> # Admin? : <%= permission_fields.check_box :admin %> # <% end %> # <% end %> # + # ...or if you have an object that needs to be represented as a different parameter, like a Client that acts as a Person: + # + # <% fields_for :person, @client do |permission_fields| %> + # Admin?: <%= permission_fields.check_box :admin %> + # <% end %> + # + # ...or if you don't have an object, just a name of the parameter + # + # <% fields_for :person do |permission_fields| %> + # Admin?: <%= permission_fields.check_box :admin %> + # <% end %> + # # Note: This also works for the methods in FormOptionHelper and DateHelper that are designed to work with an object as base, # like FormOptionHelper#collection_select and DateHelper#datetime_select. - def fields_for(object_name, *args, &block) + def fields_for(record_or_name_or_array, *args, &block) raise ArgumentError, "Missing block" unless block_given? options = args.extract_options! - object = args.first + + case record_or_name_or_array + when String, Symbol + object_name = record_or_name_or_array + object = args.first + when Array + object = record_or_name_or_array.last + object_name = ActionController::RecordIdentifier.singular_class_name(object) + apply_form_for_options!(record_or_name_or_array, options) + else + object = record_or_name_or_array + object_name = ActionController::RecordIdentifier.singular_class_name(object) + end builder = options[:builder] || ActionView::Base.default_form_builder yield builder.new(object_name, object, self, options, block) |