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package tim.prune.function.segments;
import java.util.ArrayList;
import javax.swing.JOptionPane;
import tim.prune.App;
import tim.prune.I18nManager;
import tim.prune.cmd.PointFlag;
import tim.prune.cmd.SetSegmentsCmd;
import tim.prune.data.DataPoint;
import tim.prune.function.DistanceTimeLimitFunction;
/**
* Function to split a track into segments using
* either a distance limit or a time limit
*/
public class SplitSegmentsFunction extends DistanceTimeLimitFunction
{
/**
* Constructor
*/
public SplitSegmentsFunction(App inApp) {
super(inApp, false);
}
/**
* @return name key
*/
public String getNameKey() {
return "function.splitsegments";
}
/**
* The dialog has been completed and OK pressed, so do the split
*/
protected void performFunction()
{
// Split either by distance or time
final int timeLimitSeconds = getTimeLimitInSeconds();
final boolean splitByTime = (timeLimitSeconds > 0);
final double distLimitRadians = getDistanceLimitRadians();
final boolean splitByDistance = (distLimitRadians > 0.0);
if (!splitByTime && !splitByDistance) {
return; // neither option selected
}
final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
DataPoint prevPoint = null;
ArrayList<PointFlag> pointFlags = new ArrayList<>();
for (int i=0; i<numPoints; i++)
{
DataPoint currPoint = _app.getTrackInfo().getTrack().getPoint(i);
if (!currPoint.isWaypoint())
{
boolean splitHere = (prevPoint != null)
&& ((splitByDistance && DataPoint.calculateRadiansBetween(prevPoint, currPoint) > distLimitRadians)
|| (splitByTime && currPoint.hasTimestamp() && prevPoint.hasTimestamp()
&& currPoint.getTimestamp().getSecondsSince(prevPoint.getTimestamp()) > timeLimitSeconds));
if (splitHere && !currPoint.getSegmentStart()) {
pointFlags.add(new PointFlag(currPoint, true));
}
prevPoint = currPoint;
}
}
if (!pointFlags.isEmpty())
{
SetSegmentsCmd command = new SetSegmentsCmd(pointFlags);
command.setConfirmText(I18nManager.getTextWithNumber("confirm.splitsegments", pointFlags.size()));
command.setDescription(getName());
_app.execute(command);
_dialog.dispose();
}
else
{
// Complain that no split was made
JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.tracksplit.nosplit"),
I18nManager.getText("error.function.noop.title"), JOptionPane.WARNING_MESSAGE);
}
}
}
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