+++ /dev/null
-package tim.prune.undo;\r
-\r
-import tim.prune.I18nManager;\r
-import tim.prune.data.DataPoint;\r
-import tim.prune.data.FileInfo;\r
-import tim.prune.data.PhotoList;\r
-import tim.prune.data.TrackInfo;\r
-\r
-/**\r
- * Operation to undo a load operation\r
- */\r
-public class UndoLoad implements UndoOperation\r
-{\r
- private int _cropIndex = -1;\r
- private int _numLoaded = -1;\r
- private DataPoint[] _contents = null;\r
- private PhotoList _photoList = null;\r
- private FileInfo _oldFileInfo = null;\r
- // Numbers of each media before operation\r
- private int _numPhotos = -1, _numAudios = -1;\r
-\r
-\r
- /**\r
- * Constructor for appending\r
- * @param inIndex index number of crop point\r
- * @param inNumLoaded number of points loaded\r
- */\r
- public UndoLoad(int inIndex, int inNumLoaded)\r
- {\r
- _cropIndex = inIndex;\r
- _numLoaded = inNumLoaded;\r
- _contents = null;\r
- }\r
-\r
-\r
- /**\r
- * Constructor for replacing\r
- * @param inOldTrackInfo track info being replaced\r
- * @param inNumLoaded number of points loaded\r
- * @param inPhotoList photo list, if any\r
- */\r
- public UndoLoad(TrackInfo inOldTrackInfo, int inNumLoaded, PhotoList inPhotoList)\r
- {\r
- _cropIndex = -1;\r
- _numLoaded = inNumLoaded;\r
- _contents = inOldTrackInfo.getTrack().cloneContents();\r
- _oldFileInfo = inOldTrackInfo.getFileInfo().clone();\r
- _photoList = inPhotoList;\r
- }\r
-\r
-\r
- /**\r
- * @return description of operation including number of points loaded\r
- */\r
- public String getDescription()\r
- {\r
- String desc = I18nManager.getText("undo.load");\r
- if (_numLoaded > 0)\r
- desc = desc + " (" + _numLoaded + ")";\r
- return desc;\r
- }\r
-\r
- /**\r
- * Set the number of photos and audios before the load operation\r
- * @param inNumPhotos number of photos\r
- * @param inNumAudios number of audios\r
- */\r
- public void setNumPhotosAudios(int inNumPhotos, int inNumAudios)\r
- {\r
- _numPhotos = inNumPhotos;\r
- _numAudios = inNumAudios;\r
- }\r
-\r
- /**\r
- * Perform the undo operation on the given Track\r
- * @param inTrackInfo TrackInfo object on which to perform the operation\r
- */\r
- public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
- {\r
- // remove source from fileinfo\r
- if (_oldFileInfo == null) {\r
- inTrackInfo.getFileInfo().removeSource();\r
- }\r
- else {\r
- inTrackInfo.setFileInfo(_oldFileInfo);\r
- }\r
- // Crop / replace\r
- if (_contents == null)\r
- {\r
- // crop track to previous size\r
- inTrackInfo.getTrack().cropTo(_cropIndex);\r
- }\r
- else\r
- {\r
- // replace photos how they were\r
- if (_photoList != null) {\r
- inTrackInfo.getPhotoList().restore(_photoList);\r
- }\r
- // Crop media lists to previous size (if specified)\r
- if (_numPhotos > -1) {inTrackInfo.getPhotoList().cropTo(_numPhotos);}\r
- if (_numAudios > -1) {inTrackInfo.getAudioList().cropTo(_numAudios);}\r
- // replace track contents with old\r
- if (!inTrackInfo.getTrack().replaceContents(_contents))\r
- {\r
- throw new UndoException(getDescription());\r
- }\r
- }\r
- // clear selection\r
- inTrackInfo.getSelection().clearAll();\r
- }\r
-}\r