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Make your model acts as a list. 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.

installgem install acts_as_list_ar
Authors

Kristian Mandrup, Others

5,917 total downloads 5,917 for this version
Owners

2a018f8b16a3fe7273afde907c2e1bec

Gemfile
gem 'acts_as_list_ar', '~> 0.1.0'
Versions
  1. 0.1.0 June 19, 2010 (12.5 KB)
Runtime Dependencies
  1. activerecord >= 1.15.4.7794