public void FetchAndUpdateClosest()
{
BankEntity closestBankEntity = ViewModel.ClosestEntity ((this.Activity as BankEntityLocator).MapOptions);
if (EntityClosestToUser != null && closestBankEntity.Equals (EntityClosestToUser)) return;
if (closestBankEntity != null) {
Activity.RunOnUiThread (() => {
if(EntityClosestToUser != null) EntityClosestToUser.IconType = ViewModel.IconType;
EntityMarker plottedEntity = LocationsPlottedOnMap.Find (e => e.Entity.LocationId == closestBankEntity.LocationId);
if (plottedEntity != null) {
EntityClosestToUser = plottedEntity;
plottedEntity.IconType = IconType.Closest;
} else {
var marker = new EntityMarker (closestBankEntity, IconType.Closest);
marker.AddMarkerTo (this.Map);
EntityClosestToUser = marker;
LocationsPlottedOnMap.Add (marker);
}
});
}
}
private void UpdateViewWithEntities(List<BankEntity> entities)
{
List<BankEntity> plottedEntities = (from marker in LocationsPlottedOnMap select marker.Entity).ToList ();
var entitiesToPlot = entities.Except (plottedEntities);
Activity.RunOnUiThread (() => {
foreach (BankEntity aEntity in entitiesToPlot) {
var marker = new EntityMarker (aEntity, ViewModel.IconType);
marker.AddMarkerTo (this.Map);
LocationsPlottedOnMap.Add (marker);
}
});
}