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package tim.prune.cmd;
import tim.prune.DataSubscriber;
import tim.prune.data.DataPoint;
import tim.prune.data.TrackInfo;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Command to set the segment flags on one or more points
*/
public class SetSegmentsCmd extends Command
{
private final HashMap<DataPoint, Boolean> _segmentFlags = new HashMap<>();
/**
* Constructor
*/
public SetSegmentsCmd() {
super(null);
}
/**
* Constructor giving list of point flags
*/
public SetSegmentsCmd(List<PointFlag> inPoints)
{
super(null);
for (PointFlag pointFlag : inPoints) {
addSegmentFlag(pointFlag.getPoint(), pointFlag.getFlag());
}
}
/**
* Constructor
*/
private SetSegmentsCmd(SetSegmentsCmd inParent) {
super(inParent);
}
public void addSegmentFlag(DataPoint inPoint) {
addSegmentFlag(inPoint, true);
}
public void addSegmentFlag(DataPoint inPoint, boolean inFlag)
{
if (inPoint != null) {
_segmentFlags.put(inPoint, inFlag);
}
}
@Override
public int getUpdateFlags() {
return DataSubscriber.DATA_EDITED;
}
@Override
protected boolean executeCommand(TrackInfo inInfo)
{
for (Map.Entry<DataPoint, Boolean> entry : _segmentFlags.entrySet())
{
final DataPoint point = entry.getKey();
final boolean segmentFlag = entry.getValue();
point.setSegmentStart(segmentFlag);
}
return !_segmentFlags.isEmpty();
}
@Override
protected Command makeInverse(TrackInfo inInfo)
{
SetSegmentsCmd undo = new SetSegmentsCmd(this);
for (DataPoint point : _segmentFlags.keySet()) {
undo.addSegmentFlag(point, point.getSegmentStart());
}
return undo;
}
}
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