tim/prune/undo/UndoDisconnectMedia.java

   1 package tim.prune.undo;\r
   2 \r
   3 import tim.prune.I18nManager;\r
   4 import tim.prune.data.AudioClip;\r
   5 import tim.prune.data.DataPoint;\r
   6 import tim.prune.data.Photo;\r
   7 import tim.prune.data.TrackInfo;\r
   8 \r
   9 /**\r
  10  * Operation to undo the disconnection of a photo or audio from a point\r
  11  */\r
  12 public class UndoDisconnectMedia implements UndoOperation\r
  13 {\r
  14         private DataPoint _point = null;\r
  15         private Photo _photo = null;\r
  16         private AudioClip _audio = null;\r
  17         private String _filename = null;\r
  18 \r
  19 \r
  20         /**\r
  21          * Constructor\r
  22          * @param inPoint data point\r
  23          * @param inPhoto true if photo was disconnected\r
  24          * @param inAudio true if audio was disconnected\r
  25          * @param inFilename filename of photo / audio\r
  26          */\r
  27         public UndoDisconnectMedia(DataPoint inPoint, boolean inPhoto, boolean inAudio, String inFilename)\r
  28         {\r
  29                 _point = inPoint;\r
  30                 if (inPhoto) {\r
  31                         _photo = inPoint.getPhoto();\r
  32                 }\r
  33                 if (inAudio) {\r
  34                         _audio = inPoint.getAudio();\r
  35                 }\r
  36                 _filename = inFilename;\r
  37         }\r
  38 \r
  39 \r
  40         /**\r
  41          * @return description of operation including filename\r
  42          */\r
  43         public String getDescription()\r
  44         {\r
  45                 return I18nManager.getText("undo.disconnect") + " " + _filename;\r
  46         }\r
  47 \r
  48 \r
  49         /**\r
  50          * Perform the undo operation on the given Track\r
  51          * @param inTrackInfo TrackInfo object on which to perform the operation\r
  52          */\r
  53         public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
  54         {\r
  55                 // Connect again\r
  56                 if (_point != null && _photo != null)\r
  57                 {\r
  58                         _point.setPhoto(_photo);\r
  59                         _photo.setDataPoint(_point);\r
  60                 }\r
  61                 else if (_point != null && _audio != null)\r
  62                 {\r
  63                         _point.setAudio(_audio);\r
  64                         _audio.setDataPoint(_point);\r
  65                 }\r
  66                 else {\r
  67                         // throw exception if failed\r
  68                         throw new UndoException(getDescription());\r
  69                 }\r
  70                 // clear selection\r
  71                 inTrackInfo.getSelection().clearAll();\r
  72         }\r
  73 }