package tim.prune.undo;
import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Track;
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();
+ }
}
{
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);
+ }
}
}