diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index d6edef0d34..befaa3e8d9 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -298,6 +298,23 @@ module ActionView # # If you don't need to attach a form to a model instance, then check out # FormTagHelper#form_tag. + # + # === Form to external resources + # + # When you build forms to external resources sometimes you need to set an authenticity token or just render a form + # without it, for example when you submit data to a payment gateway number and types of fields could be limited. + # + # To set an authenticity token you need to pass an <tt>:authenticity_token</tt> parameter + # + # <%= form_for @invoice, :url => external_url, :authenticity_token => 'external_token' do |f| + # ... + # <% end %> + # + # If you don't want to an authenticity token field be rendered at all just pass <tt>false</tt>: + # + # <%= form_for @invoice, :url => external_url, :authenticity_token => false do |f| + # ... + # <% end %> def form_for(record, options = {}, &proc) raise ArgumentError, "Missing block" unless block_given? @@ -314,6 +331,8 @@ module ActionView end options[:html][:remote] = options.delete(:remote) + options[:html][:authenticity_token] = options.delete(:authenticity_token) + builder = options[:parent_builder] = instantiate_builder(object_name, object, options, &proc) fields_for = fields_for(object_name, object, options, &proc) default_options = builder.multipart? ? { :multipart => true } : {} @@ -530,8 +549,11 @@ module ActionView # <% end %> # ... # <% end %> - def fields_for(record, record_object = nil, options = nil, &block) - capture(instantiate_builder(record, record_object, options, &block), &block) + def fields_for(record, record_object = nil, options = {}, &block) + builder = instantiate_builder(record, record_object, options, &block) + output = capture(builder, &block) + output.concat builder.hidden_field(:id) if output && options[:hidden_field_id] && !builder.emitted_hidden_id? + output end # Returns a label tag tailored for labelling an input field for a specified attribute (identified by +method+) on an object @@ -1304,14 +1326,8 @@ module ActionView def fields_for_nested_model(name, object, options, block) object = convert_to_model(object) - if object.persisted? - @template.fields_for(name, object, options) do |builder| - block.call(builder) - @template.concat builder.hidden_field(:id) unless builder.emitted_hidden_id? - end - else - @template.fields_for(name, object, options, &block) - end + options[:hidden_field_id] = object.persisted? + @template.fields_for(name, object, options, &block) end def nested_child_index(name) |