public bool ContainsMarker(Marker marker) => _markers.Contains(marker);
public void RemoveMarker(Marker marker)
{
_markers.Remove(marker);
}
public void AddMarker(Marker marker)
{
_markers.Add(marker);
}
private void UpdateMarkerControlPosition(Marker marker)
{
var screenPos = _mapControl.FromLatLngToLocal(marker.MapMarker.Position);
Canvas.SetLeft(marker.MarkerControl, screenPos.X - (marker.MarkerControl as FrameworkElement).Width / 2);
Canvas.SetTop(marker.MarkerControl, screenPos.Y - (marker.MarkerControl as FrameworkElement).Height / 2);
}
public void RemoveMarker(Marker marker)
{
_overlays.First(o => o.ContainsMarker(marker)).RemoveMarker(marker);
}
public void AddMarker(UIElement control, string overlayName, PointLatLng position)
{
var overlay = _overlays.FirstOrDefault(o => o.Name == overlayName);
if(overlay == null) throw new ArgumentException("Overlay with given name doesn't exist.");
var marker = new Marker(control, new GMapMarker(position));
overlay.AddMarker(marker);
_markerCanvas.Children.Add(control);
// Sends scrolls on markers to Map
control.PreviewMouseWheel += (s, args) =>
{
if (args.Handled) return;
args.Handled = true;
_mapControl.Zoom += args.Delta > 0 ? 1 : -1;
};
UpdateMarkerControlPosition(marker);
}