diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index 7ed949504d..3debc9cc66 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -219,9 +219,9 @@ module ActionView # <% end %> # # If you have an object that needs to be represented as a different - # parameter, like a Client that acts as a Person: + # parameter, like a Person that acts as a Client: # - # <%= form_for(@post, :as => :client) do |f| %> + # <%= form_for(@person, :as => :client) do |f| %> # ... # <% end %> # @@ -290,7 +290,7 @@ module ActionView # # Example: # - # <%= form(@post) do |f| %> + # <%= form_for(@post) do |f| %> # <% f.fields_for(:comments, :include_id => false) do |cf| %> # ... # <% end %> @@ -517,6 +517,18 @@ module ActionView # end # end # + # Note that the <tt>projects_attributes=</tt> writer method is in fact + # required for fields_for to correctly identify <tt>:projects</tt> as a + # collection, and the correct indices to be set in the form markup. + # + # When projects is already an association on Person you can use + # +accepts_nested_attributes_for+ to define the writer method for you: + # + # class Person < ActiveRecord::Base + # has_many :projects + # accepts_nested_attributes_for :projects + # end + # # This model can now be used with a nested fields_for. The block given to # the nested fields_for call will be repeated for each instance in the # collection: @@ -568,14 +580,6 @@ module ActionView # ... # <% end %> # - # When projects is already an association on Person you can use - # +accepts_nested_attributes_for+ to define the writer method for you: - # - # class Person < ActiveRecord::Base - # has_many :projects - # accepts_nested_attributes_for :projects - # end - # # If you want to destroy any of the associated models through the # form, you have to enable it first using the <tt>:allow_destroy</tt> # option for +accepts_nested_attributes_for+: |