Mercurial > hg > soundsoftware-site
annotate .svn/pristine/4a/4acf53c4cc6bbba75432401fef2bc6a21f92b246.svn-base @ 1477:f2ad2199b49a bibplugin_integration
Close obsolete branch bibplugin_integration
| author | Chris Cannam |
|---|---|
| date | Fri, 30 Nov 2012 14:41:31 +0000 |
| parents | cbb26bc654de |
| children |
| rev | line source |
|---|---|
| Chris@909 | 1 ActsAsList |
| Chris@909 | 2 ========== |
| Chris@909 | 3 |
| Chris@909 | 4 This acts_as extension provides the capabilities for sorting and reordering a number of objects in a list. The class that has this specified needs to have a +position+ column defined as an integer on the mapped database table. |
| Chris@909 | 5 |
| Chris@909 | 6 |
| Chris@909 | 7 Example |
| Chris@909 | 8 ======= |
| Chris@909 | 9 |
| Chris@909 | 10 class TodoList < ActiveRecord::Base |
| Chris@909 | 11 has_many :todo_items, :order => "position" |
| Chris@909 | 12 end |
| Chris@909 | 13 |
| Chris@909 | 14 class TodoItem < ActiveRecord::Base |
| Chris@909 | 15 belongs_to :todo_list |
| Chris@909 | 16 acts_as_list :scope => :todo_list |
| Chris@909 | 17 end |
| Chris@909 | 18 |
| Chris@909 | 19 todo_list.first.move_to_bottom |
| Chris@909 | 20 todo_list.last.move_higher |
| Chris@909 | 21 |
| Chris@909 | 22 |
| Chris@909 | 23 Copyright (c) 2007 David Heinemeier Hansson, released under the MIT license |