Implemented undo and redo for the history.
commitf7193c21fc521828522475fcabcf06277929300e
authorPaolo Capriotti <p.capriotti@gmail.com>
Fri, 10 Jul 2009 13:27:09 +0000 (10 15:27 +0200)
committerPaolo Capriotti <p.capriotti@gmail.com>
Fri, 10 Jul 2009 19:48:02 +0000 (10 21:48 +0200)
tree3029a0134a7bd2fd35a2261a4ad7cc36530f4af5
parentb5224780e3b84c58a125c4f44df6874869cca6f9
Implemented undo and redo for the history.
lib/interaction/history.rb
lib/interaction/operation.rb
lib/interaction/operation_history.rb
test/interaction/test_history.rb