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package tim.prune.cmd;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import tim.prune.data.TrackInfo;
import java.util.ArrayList;
import java.util.List;
/**
* Command class to perform the segment-sewing
*/
public class SewSegmentsCmd extends CompoundCommand
{
private final List<Integer> _indexesToDelete;
/**
* Constructor
* @param inIndexesToKeep list of indexes to keep, in order
* @param inIndexesToDelete list of indexes to delete
* @param inSegmentFlags list of segment flags to set
*/
public SewSegmentsCmd(List<Integer> inIndexesToKeep, List<Integer> inIndexesToDelete,
List<PointFlag> inSegmentFlags)
{
_indexesToDelete = inIndexesToDelete;
addCommand(new RearrangePointsCmd(combine(inIndexesToKeep, inIndexesToDelete)));
addCommand(new DeleteFinalRangeCmd(inIndexesToDelete.size()));
addCommand(new SetSegmentsCmd(inSegmentFlags));
}
private List<Integer> combine(List<Integer> inIndexesToKeep, List<Integer> inIndexesToDelete)
{
ArrayList<Integer> allPoints = new ArrayList<>(inIndexesToKeep);
allPoints.addAll(inIndexesToDelete);
return allPoints;
}
/**
* @return the number of segment joins made
*/
public int getNumJoins() {
return _indexesToDelete.size();
}
@Override
protected Command makeInverse(TrackInfo inInfo)
{
return makeInverse(inInfo, null,
new AppendRangeCmd(getCommand(1), getDeletedPoints(inInfo.getTrack())), null);
}
private List<DataPoint> getDeletedPoints(Track inTrack)
{
ArrayList<DataPoint> points = new ArrayList<>();
for (int index : _indexesToDelete) {
points.add(inTrack.getPoint(index));
}
return points;
}
}
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