src/tim/prune/undo/UndoRotatePhoto.java

   1 package tim.prune.undo;\r
   2 \r
   3 import tim.prune.I18nManager;\r
   4 import tim.prune.UpdateMessageBroker;\r
   5 import tim.prune.data.Photo;\r
   6 import tim.prune.data.TrackInfo;\r
   7 \r
   8 /**\r
   9  * Operation to undo the rotation of a photo\r
  10  */\r
  11 public class UndoRotatePhoto implements UndoOperation\r
  12 {\r
  13         private Photo _photo = null;\r
  14         private boolean _rightwards = true;\r
  15 \r
  16 \r
  17         /**\r
  18          * Constructor\r
  19          * @param inPhoto photo\r
  20          * @param inDir true if original operation was rightwards (clockwise) rotation\r
  21          */\r
  22         public UndoRotatePhoto(Photo inPhoto, boolean inDir)\r
  23         {\r
  24                 _photo = inPhoto;\r
  25                 _rightwards = inDir;\r
  26         }\r
  27 \r
  28 \r
  29         /**\r
  30          * @return description of operation including photo name\r
  31          */\r
  32         public String getDescription()\r
  33         {\r
  34                 return I18nManager.getText("undo.rotatephoto") + " " + _photo.getName();\r
  35         }\r
  36 \r
  37 \r
  38         /**\r
  39          * Perform the undo operation on the given Track\r
  40          * @param inTrackInfo TrackInfo object on which to perform the operation\r
  41          */\r
  42         public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
  43         {\r
  44                 _photo.rotate(!_rightwards);\r
  45                 // inform subscribers\r
  46                 UpdateMessageBroker.informSubscribers();\r
  47         }\r
  48 }