tim/prune/undo/UndoCorrelateAudios.java

   1 package tim.prune.undo;\r
   2 \r
   3 import tim.prune.I18nManager;\r
   4 import tim.prune.data.AudioFile;\r
   5 import tim.prune.data.DataPoint;\r
   6 import tim.prune.data.TrackInfo;\r
   7 \r
   8 /**\r
   9  * Operation to undo an auto-correlation of audios with points\r
  10  * (very similar to UndoCorrelatePhotos)\r
  11  */\r
  12 public class UndoCorrelateAudios implements UndoOperation\r
  13 {\r
  14         private DataPoint[] _contents = null;\r
  15         private DataPoint[] _audioPoints = null;\r
  16         private int _numCorrelated = -1;\r
  17 \r
  18 \r
  19         /**\r
  20          * Constructor\r
  21          * @param inTrackInfo track information\r
  22          */\r
  23         public UndoCorrelateAudios(TrackInfo inTrackInfo)\r
  24         {\r
  25                 // Copy track contents\r
  26                 _contents = inTrackInfo.getTrack().cloneContents();\r
  27                 // Copy points associated with audios before correlation\r
  28                 int numAudios = inTrackInfo.getAudioList().getNumAudios();\r
  29                 _audioPoints = new DataPoint[numAudios];\r
  30                 for (int i=0; i<numAudios; i++) {\r
  31                         _audioPoints[i] = inTrackInfo.getAudioList().getAudio(i).getDataPoint();\r
  32                 }\r
  33         }\r
  34 \r
  35         /**\r
  36          * @param inNumCorrelated number of audios correlated\r
  37          */\r
  38         public void setNumAudiosCorrelated(int inNumCorrelated)\r
  39         {\r
  40                 _numCorrelated = inNumCorrelated;\r
  41         }\r
  42 \r
  43         /**\r
  44          * @return description of operation including parameters\r
  45          */\r
  46         public String getDescription()\r
  47         {\r
  48                 return I18nManager.getText("undo.correlateaudios") + " (" + _numCorrelated + ")";\r
  49         }\r
  50 \r
  51 \r
  52         /**\r
  53          * Perform the undo operation on the given Track\r
  54          * @param inTrackInfo TrackInfo object on which to perform the operation\r
  55          */\r
  56         public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
  57         {\r
  58                 // restore track to previous values\r
  59                 inTrackInfo.getTrack().replaceContents(_contents);\r
  60                 // restore audio association\r
  61                 for (int i=0; i<_audioPoints.length; i++)\r
  62                 {\r
  63                         AudioFile audio = inTrackInfo.getAudioList().getAudio(i);\r
  64                         // Only need to look at connected ones, since correlation wouldn't disconnect\r
  65                         if (audio.getCurrentStatus() == AudioFile.Status.CONNECTED)\r
  66                         {\r
  67                                 DataPoint prevPoint = _audioPoints[i];\r
  68                                 DataPoint currPoint = audio.getDataPoint();\r
  69                                 audio.setDataPoint(prevPoint);\r
  70                                 if (currPoint != null) {\r
  71                                         currPoint.setAudio(null); // disconnect\r
  72                                 }\r
  73                                 if (prevPoint != null) {\r
  74                                         prevPoint.setAudio(audio); // reconnect to prev point\r
  75                                 }\r
  76                         }\r
  77                 }\r
  78                 // clear selection\r
  79                 inTrackInfo.getSelection().clearAll();\r
  80         }\r
  81 }\r