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package tim.prune.cmd;
import tim.prune.data.DataPoint;
import tim.prune.data.TrackInfo;
import tim.prune.function.Describer;
import java.util.ArrayList;
import java.util.List;
/**
* Command to shuffle the existing points into a different order,
* and then crop to a reduced number of points.
* Used by for example compression, or delete rectangle
*/
public class ShuffleAndCropCmd extends CompoundCommand
{
private final List<Integer> _indexesToDelete = new ArrayList<>();
/**
* Constructor
* @param inIndexesToKeep list of indexes to keep
* @param inIndexesToDelete list of indexes to delete
* @param inSegmentFlags list of point flags
*/
public ShuffleAndCropCmd(List<Integer> inIndexesToKeep, List<Integer> inIndexesToDelete,
List<PointFlag> inSegmentFlags)
{
List<Integer> totalIndexes = makeTotalIndexes(inIndexesToKeep, inIndexesToDelete);
addCommand(new RearrangePointsCmd(totalIndexes));
addCommand(new DeleteFinalRangeCmd(inIndexesToDelete.size()));
if (inSegmentFlags != null && !inSegmentFlags.isEmpty()) {
addCommand(new SetSegmentsCmd(inSegmentFlags));
}
_indexesToDelete.addAll(inIndexesToDelete);
Describer confirmDescriber = new Describer("confirm.deletepoint.single", "confirm.deletepoint.multi");
setConfirmText(confirmDescriber.getDescriptionWithCount(inIndexesToDelete.size()));
Describer undoDescriber = new Describer("undo.deletepoint", "undo.deletepoints");
setDescription(undoDescriber.getDescriptionWithCount(inIndexesToDelete.size()));
}
/**
* Build up a complete list of indexes, including the ones to be deleted
* @param inIndexesToKeep indexes to retain
* @param inIndexesToDelete indexes to delete
* @return list suitable for a full rearrangement
*/
private static List<Integer> makeTotalIndexes(List<Integer> inIndexesToKeep, List<Integer> inIndexesToDelete)
{
ArrayList<Integer> indexes = new ArrayList<>(inIndexesToKeep);
indexes.addAll(inIndexesToDelete);
return indexes;
}
@Override
protected Command makeInverse(TrackInfo inInfo)
{
ArrayList<DataPoint> deletedPoints = new ArrayList<>();
for (int i : _indexesToDelete) {
deletedPoints.add(inInfo.getTrack().getPoint(i));
}
return makeInverse(inInfo, null, new AppendRangeCmd(deletedPoints), null);
}
}
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