Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / undo / UndoDeletePoint.java

diff --git a/src/tim/prune/undo/UndoDeletePoint.java b/src/tim/prune/undo/UndoDeletePoint.java
new file mode 100644 (file)
index 0000000..beddfbf
--- /dev/null
+++ b/src/tim/prune/undo/UndoDeletePoint.java
@@ -0,0 +1,95 @@
+package tim.prune.undo;\r
+\r
+import tim.prune.I18nManager;\r
+import tim.prune.data.DataPoint;\r
+import tim.prune.data.TrackInfo;\r
+\r
+/**\r
+ * Operation to undo a delete of a single point\r
+ */\r
+public class UndoDeletePoint extends UndoDeleteOperation\r
+{\r
+       private int _pointIndex = -1;\r
+       private DataPoint _point = null;\r
+       private int _photoIndex = -1;\r
+       private int _audioIndex = -1;\r
+       private boolean _segmentStart = false;\r
+\r
+\r
+       /**\r
+        * Constructor\r
+        * @param inPointIndex index number of point within track\r
+        * @param inPoint data point\r
+        * @param inPhotoIndex index number of photo within photo list\r
+        * @param inAudioIndex index number of audio within audio list\r
+        * @param inSegmentStart true if following track point starts new segment\r
+        */\r
+       public UndoDeletePoint(int inPointIndex, DataPoint inPoint, int inPhotoIndex, int inAudioIndex,\r
+               boolean inSegmentStart)\r
+       {\r
+               _pointIndex = inPointIndex;\r
+               _point = inPoint;\r
+               _photoIndex = inPhotoIndex;\r
+               _audioIndex = inAudioIndex;\r
+               _segmentStart = inSegmentStart;\r
+       }\r
+\r
+\r
+       /**\r
+        * @return description of operation including point name if any\r
+        */\r
+       public String getDescription()\r
+       {\r
+               String desc = I18nManager.getText("undo.deletepoint");\r
+               String pointName = _point.getWaypointName();\r
+               if (pointName != null && !pointName.equals(""))\r
+                       desc = desc + " " + pointName;\r
+               return desc;\r
+       }\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
+               // restore point into track\r
+               if (!inTrackInfo.getTrack().insertPoint(_point, _pointIndex))\r
+               {\r
+                       throw new UndoException(getDescription());\r
+               }\r
+               // Re-attach / Re-insert photo into list if necessary\r
+               if (_point.getPhoto() != null && _photoIndex > -1)\r
+               {\r
+                       // Check if photo is still in list\r
+                       if (!inTrackInfo.getPhotoList().contains(_point.getPhoto()))\r
+                       {\r
+                               // photo has been removed - need to reinsert\r
+                               inTrackInfo.getPhotoList().addPhoto(_point.getPhoto(), _photoIndex);\r
+                       }\r
+                       // Ensure that photo is associated with point\r
+                       if (_point.getPhoto().getDataPoint() != _point) {\r
+                               _point.getPhoto().setDataPoint(_point);\r
+                       }\r
+               }\r
+               // Re-add audio as well if necessary\r
+               if (_point.getAudio() != null && _audioIndex > -1)\r
+               {\r
+                       // add audio object to list\r
+                       inTrackInfo.getAudioList().addAudio(_point.getAudio(), _audioIndex);\r
+                       _point.getAudio().setDataPoint(_point);\r
+               }\r
+               // Restore previous status of following track point if necessary\r
+               if (!_segmentStart)\r
+               {\r
+                       // Deletion of point can only set following point to true, so only need to set it back to false\r
+                       DataPoint nextTrackPoint = inTrackInfo.getTrack().getNextTrackPoint(_pointIndex + 1);\r
+                       if (nextTrackPoint != null) {\r
+                               nextTrackPoint.setSegmentStart(false);\r
+                       }\r
+               }\r
+               // If there's a current point or range selected, maybe need to adjust start and/or end\r
+               modifySelection(inTrackInfo, _pointIndex, _pointIndex);\r
+       }\r
+}\r