/// <summary>
/// Init the annotations on the map from a set of exhibits anr/or a route.
/// </summary>
/// <param name="exhibitSet">The set of exhibits.</param>
/// <param name="route">The route.</param>
private void InitAnnotations(ExhibitSet exhibitSet, Route route)
{
if (exhibitSet != null)
{
foreach (var exhibit in exhibitSet)
{
var annotation = new ExhibitAnnotation(exhibit.Location.Latitude, exhibit.Location.Longitude, exhibit.Id,
exhibit.Name);
Control.AddAnnotation(annotation);
}
}
if (route != null)
{
foreach (Waypoint routeWaypoint in route.Waypoints)
{
if (exhibitSet == null || !exhibitSet.Contains(routeWaypoint.Exhibit))
{
var annotation = new ExhibitAnnotation(routeWaypoint.Location.Latitude, routeWaypoint.Location.Longitude, routeWaypoint.Exhibit.Id,
routeWaypoint.Exhibit.Name);
Control.AddAnnotation(annotation);
}
}
}
if (osmMap.GpsLocation != null)
{
userAnnotation = new UserAnnotation(osmMap.GpsLocation.Latitude, osmMap.GpsLocation.Longitude);
}
}
/// <summary>
/// React to changes of the gps position.
/// </summary>
/// <param name="location">The position that changed.</param>
private void OnGpsLocationChanged(GeoLocation location)
{
if (location != null)
{
// update user location
if (userAnnotation != null)
{
Control.RemoveAnnotation(userAnnotation);
}
userAnnotation = new UserAnnotation(location.Latitude, location.Longitude);
Control.AddAnnotation(userAnnotation);
if (osmMap.ShowNavigation)
{
UpdateRoute();
}
}
}