From 1cf7eb1ca84a65fead68104572bc2cbac1fe95a0 Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Wed, 8 Dec 2004 16:02:18 +0000 Subject: Added ActiveRecord::Mixins::List that can decorates an existing class with methods like move_higher/lower, move_to_top/bottom git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@84 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activerecord/lib/active_record/mixins/list.rb | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'activerecord/lib/active_record') diff --git a/activerecord/lib/active_record/mixins/list.rb b/activerecord/lib/active_record/mixins/list.rb index 1965c46be6..a357312105 100644 --- a/activerecord/lib/active_record/mixins/list.rb +++ b/activerecord/lib/active_record/mixins/list.rb @@ -1,4 +1,7 @@ module ActiveRecord + # Mixins are a way of decorating existing Active Record models with additional behavior. If you for example + # want to keep a number of Documents in order, you can include Mixins::List, and all of the sudden be able to + # call document.move_to_bottom. module Mixins # This mixin provides the capabilities for sorting and reordering a number of objects in list. # The class that has this mixin included needs to have a "position" column defined as an integer on @@ -12,7 +15,7 @@ module ActiveRecord # end # # class TodoItem < ActiveRecord::Base - # include ListMixin + # include ActiveRecord::Mixins::List # belongs_to :todo_list # # private -- cgit v1.2.3