+++ /dev/null
-package tim.prune.undo;\r
-\r
-import tim.prune.data.DataPoint;\r
-import tim.prune.data.Track;\r
-import tim.prune.data.TrackInfo;\r
-\r
-/**\r
- * Operation to undo the sewing together of track segments\r
- */\r
-public class UndoSewSegments extends UndoReorder\r
-{\r
- /** All segment start flags need to be remembered as well */\r
- private boolean[] _segmentStartFlags = null;\r
-\r
- /**\r
- * Constructor\r
- * @param inTrack track contents to copy\r
- */\r
- public UndoSewSegments(Track inTrack)\r
- {\r
- super(inTrack, "undo.sewsegments");\r
- // Also remember segment start flags, as they may have been changed by reversals\r
- final int numPoints = inTrack.getNumPoints();\r
- _segmentStartFlags = new boolean[numPoints];\r
- for (int i=0; i<numPoints; i++) {\r
- _segmentStartFlags[i] = inTrack.getPoint(i).getSegmentStart();\r
- }\r
- }\r
-\r
- /** Perform the undo */\r
- public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
- {\r
- // Put all the points back in the right order\r
- super.performUndo(inTrackInfo);\r
- // And then restore the segment flags\r
- for (int i=0; i<_segmentStartFlags.length; i++)\r
- {\r
- DataPoint point = inTrackInfo.getTrack().getPoint(i);\r
- if (point != null && !point.isWaypoint()) {\r
- point.setSegmentStart(_segmentStartFlags[i]);\r
- }\r
- }\r
- }\r
-}\r