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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.ArrayList;
/**
* Remove all the points in the track
*/
public class DeleteAllPointsCmd extends Command
{
public DeleteAllPointsCmd() {
super(null);
}
@Override
public int getUpdateFlags() {
return DataSubscriber.DATA_ADDED_OR_REMOVED;
}
@Override
protected boolean executeCommand(TrackInfo inInfo)
{
if (inInfo.getTrack().getNumPoints() == 0) {
return false;
}
inInfo.getTrack().cropTo(0);
inInfo.getSelection().clearAll();
return true;
}
@Override
protected Command makeInverse(TrackInfo inInfo)
{
ArrayList<DataPoint> points = new ArrayList<>();
final int totalPoints = inInfo.getTrack().getNumPoints();
for (int i=0; i<totalPoints; i++) {
points.add(inInfo.getTrack().getPoint(i));
}
return new AppendRangeCmd(this, points);
}
}
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