protected override void OnElementPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == MapView.CenterProperty.PropertyName)
{
if (!ReferenceEquals(Element.Center, currentCamera))
{
if (Element.Center == null)
{
return;
}
FocustoLocation(Element.Center.ToLatLng());
}
}
else if (e.PropertyName == MapView.MapStyleProperty.PropertyName && map != null)
{
UpdateMapStyle();
}
else if (e.PropertyName == MapView.PitchEnabledProperty.PropertyName)
{
if (map != null)
{
map.UiSettings.TiltGesturesEnabled = Element.PitchEnabled;
}
}
else if (e.PropertyName == MapView.PitchProperty.PropertyName)
{
map?.SetTilt(Element.Pitch);
}
else if (e.PropertyName == MapView.RotateEnabledProperty.PropertyName)
{
if (map != null)
{
map.UiSettings.RotateGesturesEnabled = Element.RotateEnabled;
}
}
else if (e.PropertyName == MapView.RotatedDegreeProperty.PropertyName)
{
map?.SetBearing(Element.RotatedDegree);
}
else if (e.PropertyName == MapView.AnnotationsProperty.PropertyName)
{
RemoveAllAnnotations();
if (Element.Annotations != null)
{
AddAnnotations(Element.Annotations.ToArray());
var notifyCollection = Element.Annotations as INotifyCollectionChanged;
if (notifyCollection != null)
{
notifyCollection.CollectionChanged += OnAnnotationsCollectionChanged;
}
}
}
else if (e.PropertyName == MapView.ZoomLevelProperty.PropertyName && map != null)
{
var dif = Math.Abs(map.CameraPosition.Zoom - Element.ZoomLevel);
System.Diagnostics.Debug.WriteLine($"Current zoom: {map.CameraPosition.Zoom} - New zoom: {Element.ZoomLevel}");
if (dif >= 0.01)
{
System.Diagnostics.Debug.WriteLine("Updating zoom level");
map.AnimateCamera(CameraUpdateFactory.ZoomTo(Element.ZoomLevel));
}
}
}