private static void SetObserver(MapFileBase @base, IMapObserver observer)
{
if (observer.MapBase != null)
{
observer.MapBase.LocationSelectedEvent -= observer.OnLocationSelectedObserver;
observer.MapBase.LevelChangedEvent -= observer.OnLevelChangedObserver;
}
if ((observer.MapBase = @base) != null)
{
observer.MapBase.LocationSelectedEvent += observer.OnLocationSelectedObserver;
observer.MapBase.LevelChangedEvent += observer.OnLevelChangedObserver;
}
foreach (string key in observer.Panels.Keys) // ie. TopViewPanel and QuadrantsPanel
{
SetObserver(observer.MapBase, observer.Panels[key]);
}
}
internal static void SetObservers(MapFileBase @base)
{
var observers = new IMapObserver[]
{
TopRouteView.ControlTop,
TopRouteView.ControlRoute,
TileView.Control,
RouteView.Control,
TopView.Control
};
foreach (var f in observers)
{
if (f != null)
{
SetObserver(@base, f);
}
}
MainViewUnderlay.Instance.MainViewOverlay.Refresh();
}
/// <summary>
/// Unsubscribe an observer from click events.
/// </summary>
/// <param name="observer">The observer to remove.</param>
public void Unsubscribe(IMapObserver observer)
{
_observers.Remove(observer);
}
/// <summary>
/// Subscribe an observer to be notified on click events.
/// </summary>
/// <param name="observer">The observer to be notified.</param>
public void Subscribe(IMapObserver observer)
{
_observers.Add(observer);
}
public virtual void UnSubscribe(IMapObserver map)
{
MapWatcher.Add(map);
}
//Also clients use this to unsubscribe themselves to no longer receive the messages.
public Task UnSubscribe(IMapObserver observer)
{
_subsManager.Unsubscribe(observer);
return(Task.CompletedTask);
}
