X-Git-Url: https://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2Fundo%2FUndoReverseSection.java;h=dd4a24e7b0d1f7e67d43d983b905df89906f91d4;hp=73fe6923a2d834d96851f88c5748d28d52cc6d52;hb=ca9bdb3916f9c39adbbf95d06ac95c21dafbb4e6;hpb=63f178fd6c6b30b99a01f2a2d700963ea2dfef8b

diff --git a/tim/prune/undo/UndoReverseSection.java b/tim/prune/undo/UndoReverseSection.java
index 73fe692..dd4a24e 100644
--- a/tim/prune/undo/UndoReverseSection.java
+++ b/tim/prune/undo/UndoReverseSection.java
@@ -1,6 +1,8 @@
 package tim.prune.undo;
 
 import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Track;
 import tim.prune.data.TrackInfo;
 
 /**
@@ -8,18 +10,39 @@ import tim.prune.data.TrackInfo;
  */
 public class UndoReverseSection implements UndoOperation
 {
+	/** Start and end indices of section */
 	private int _startIndex, _endIndex;
+	/** First and last track point in section and next track point after */
+	private DataPoint _firstTrackPoint, _lastTrackPoint, _nextTrackPoint;
+	/** Segment flags for these points */
+	private boolean _firstSegmentFlag, _lastSegmentFlag, _nextSegmentFlag;
 
 
 	/**
 	 * Constructor
+	 * @param inTrack track object for copying segment flags
 	 * @param inStart start index of section
 	 * @param inEnd end index of section
 	 */
-	public UndoReverseSection(int inStart, int inEnd)
+	public UndoReverseSection(Track inTrack, int inStart, int inEnd)
 	{
 		_startIndex = inStart;
 		_endIndex = inEnd;
+		// Look for first track point in section to be reversed, store flag
+		_firstTrackPoint = inTrack.getNextTrackPoint(inStart);
+		if (_firstTrackPoint != null) {
+			_firstSegmentFlag = _firstTrackPoint.getSegmentStart();
+		}
+		// Look for last track point in section to be reversed, store flag
+		_lastTrackPoint = inTrack.getPreviousTrackPoint(inEnd);
+		if (_lastTrackPoint != null) {
+			_lastSegmentFlag = _lastTrackPoint.getSegmentStart();
+		}
+		// Look for following track point, store flag
+		_nextTrackPoint = inTrack.getNextTrackPoint(inEnd + 1);
+		if (_nextTrackPoint != null) {
+			_nextSegmentFlag = _nextTrackPoint.getSegmentStart();
+		}
 	}
 
 
@@ -42,5 +65,15 @@ public class UndoReverseSection implements UndoOperation
 		{
 			throw new UndoException(getDescription());
 		}
+		// Restore segment start flags
+		if (_firstTrackPoint != null) {
+			_firstTrackPoint.setSegmentStart(_firstSegmentFlag);
+		}
+		if (_lastTrackPoint != null) {
+			_lastTrackPoint.setSegmentStart(_lastSegmentFlag);
+		}
+		if (_nextTrackPoint != null) {
+			_nextTrackPoint.setSegmentStart(_nextSegmentFlag);
+		}
 	}
 }