diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/nested_attributes.rb | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index e3122d195a..dfad2901c5 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -180,10 +180,14 @@ module ActiveRecord # and the Proc should return either +true+ or +false+. When no Proc # is specified a record will be built for all attribute hashes that # do not have a <tt>_delete</tt> that evaluates to true. + # Passing <tt>:all_blank</tt> instead of a Proc will create a proc + # that will reject a record where all the attributes are blank. # # Examples: # # creates avatar_attributes= # accepts_nested_attributes_for :avatar, :reject_if => proc { |attributes| attributes['name'].blank? } + # # creates avatar_attributes= + # accepts_nested_attributes_for :avatar, :reject_if => :all_blank # # creates avatar_attributes= and posts_attributes= # accepts_nested_attributes_for :avatar, :posts, :allow_destroy => true def accepts_nested_attributes_for(*attr_names) @@ -201,7 +205,12 @@ module ActiveRecord end reflection.options[:autosave] = true - self.reject_new_nested_attributes_procs[association_name.to_sym] = options[:reject_if] + + self.reject_new_nested_attributes_procs[association_name.to_sym] = if options[:reject_if] == :all_blank + proc { |attributes| attributes.all? {|k,v| v.blank?} } + else + options[:reject_if] + end # def pirate_attributes=(attributes) # assign_nested_attributes_for_one_to_one_association(:pirate, attributes, false) |