/**
* Get the closest spot on this trip to the location given, in meters. If this trip has no spots,
* it returns null.
*
* @param location A Locatable
* @return The spot closst to the location given.
*/
public LocatedSpot getClosestSpot(final Locatable location) {
if (spots == null || spots.size() == 0) {
return null;
}
// Copy this so we can reorder them without altering the order
// in the copy the trip object keeps.
final List<LocatedSpot> spotClone = new LinkedList<LocatedSpot>(spots);
Collections.sort(spotClone, new DistanceComparator(location.getGeoLocation()));
return spotClone.get(0);
}
/** delegates default locate to the loEndpoint */
public void setRelocate() {
loEndpoint.setRelocate();
}
/**
* provides Locatable interface for both endpoints
*
* @param point
* @param shape
* @return
*/
private Locatable endpoint(Point3d point, TransformGroup shape) {
Locatable endpoint =
new Locatable() {
private Point3d position;
private TransformGroup shape;
public void setShape(TransformGroup shape) {
this.shape = shape;
}
@Override
public Point3d getPosition() {
return (Point3d) position.clone();
}
/**
* this allows the positions of the endpoints to be set in sequence when we add a new
* ScaleInstrument.
*
* @see boogiepants.model.Locatable#setPosition(javax.vecmath.Point3d)
*/
@Override
public void setPosition(Point3d position) {
if (this.position == null) {
this.position = position;
} else {
this.position.set(position);
}
if (ScaleLineInstrument.this.loEndpoint == this
&& ScaleLineInstrument.this.hiEndpoint.getPosition().equals(zeroPoint)) {
ScaleLineInstrument.this.hiEndpoint.setRelocate();
}
if (behavior != null) {
behavior.computeLineLen();
}
}
@Override
public void setRelocate() {
setRelocate(.9);
}
@Override
public void setRelocate(double distance) {
EditPositionBehavior posEdit = EditPositionBehavior.getInstance();
posEdit.setInstrument(this);
posEdit.setTransformGroup(shape);
posEdit.initLocPoint(distance);
BranchGroup bg = posEdit.getGroup();
editGroup.addChild(bg);
}
public String toString() {
String name =
(ScaleLineInstrument.this.loEndpoint == this) ? "loEndpoint" : "hiEndpoint";
return name + " " + position;
}
public void delete() {
ScaleLineInstrument.this.delete();
}
};
endpoint.setShape(shape);
endpoint.setPosition(point);
return endpoint;
}
/**
* Get how far away the closest spot on this trip is to the given point. A distance of zero is
* returned when the trip has no spots;
*
* @param location A Locatable.
* @return Distance, in meters.
*/
public long getDistanceMetersToClosestSpot(final Locatable location) {
final LocatedSpot closest = getClosestSpot(location);
return closest == null
? 0
: location.getGeoLocation().getDistanceMeters(closest.getGeoLocation());
}
