diff options
Diffstat (limited to 'actionpack/lib/action_view')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index befaa3e8d9..669ccd2a2d 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -262,6 +262,24 @@ module ActionView # ... # </form> # + # === Removing hidden model id's + # + # The form_for method automatically includes the model id as a hidden field in the form. + # This is used to maintain the correlation between the form data and it's associated model. + # Some ORM systems do not use id's on nested models so in this case you want to be able + # to disable the hidden id. + # + # In the following example the Post model has many Comments stored within it in a NoSQL database, + # thus there is no primary key for comments. + # + # Example: + # + # <%= form(@post) do |f| %> + # <% f.fields_for(:comments, :include_id => false) do |cf| %> + # ... + # <% end %> + # <% end %> + # # === Customized form builders # # You can also build forms using a customized FormBuilder class. Subclass @@ -332,7 +350,7 @@ module ActionView 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 } : {} @@ -1326,7 +1344,9 @@ module ActionView def fields_for_nested_model(name, object, options, block) object = convert_to_model(object) - options[:hidden_field_id] = object.persisted? + parent_include_id = self.options.fetch(:include_id, true) + include_id = options.fetch(:include_id, parent_include_id) + options[:hidden_field_id] = object.persisted? && include_id @template.fields_for(name, object, options, &block) end |