tim/prune/undo/UndoOperation.java

   1 package tim.prune.undo;\r
   2 \r
   3 import tim.prune.data.TrackInfo;\r
   4 \r
   5 /**\r
   6  * Interface implemented by all Undo Operations\r
   7  */\r
   8 public interface UndoOperation\r
   9 {\r
  10         /**\r
  11          * Get the description of this operation\r
  12          * @return description of operation including parameters\r
  13          */\r
  14         public String getDescription();\r
  15 \r
  16         /**\r
  17          * Perform the undo operation on the specified track\r
  18          * @param inTrackInfo TrackInfo object on which to perform the operation\r
  19          * @throws UndoException when undo fails\r
  20          */\r
  21         public void performUndo(TrackInfo inTrackInfo) throws UndoException;\r
  22 }