public string TitleForMapClusterAnnotation(CCHMapClusterController mapClusterController, CCHMapClusterAnnotation mapClusterAnnotation)
{
var annotationsCount = mapClusterAnnotation.Annotations.Count;
var unit = annotationsCount > 1 ? "annotations" : "annotation";
return($"{annotationsCount} {unit}");
}
public string SubtitleForMapClusterAnnotation(CCHMapClusterController mapClusterController, CCHMapClusterAnnotation mapClusterAnnotation)
{
System.Diagnostics.Debug.WriteLine($"clusterAnnotation.Annotations.Count: {mapClusterAnnotation.Annotations.Count}");
var numAnnotations = (int)Math.Min(mapClusterAnnotation.Annotations.Count, 5);
var titleKey = new NSString("title");
var annotations = mapClusterAnnotation.Annotations.Skip(0).Take(numAnnotations)
.Select(x => x.ValueForKey(titleKey));
return(string.Join(", ", annotations));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
mapClusterControllerRed = new CCHMapClusterController(mapView);
mapClusterControllerRed.WeakDelegate = this;
dataReader = new DataReader();
dataReader.AnnotationsAvailable += DataReader_AnnotationsAvailable;
resetSettings();
}
public void WillReuseMapClusterAnnotation(CCHMapClusterController mapClusterController, CCHMapClusterAnnotation mapClusterAnnotation)
{
var clusterAnnotationView = (ClusterAnnotationView)mapView.ViewForAnnotation(mapClusterAnnotation);
if (clusterAnnotationView == null)
{
return;
}
System.Diagnostics.Debug.WriteLine($"WillReuseMapClusterAnnotation: {mapClusterAnnotation.Annotations.Count}");
clusterAnnotationView.Count = (uint)mapClusterAnnotation.Annotations.Count;
clusterAnnotationView.UniqueLocation = mapClusterAnnotation.IsUniqueLocation;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
_mapClusterController = new CCHMapClusterController(MapView);
_mapClusterController.Delegate = new ClusterDelegate();
var location = new CLLocationCoordinate2D(52.516221, 13.377829);
var region = MKCoordinateRegion.FromDistance(location, 45000, 45000);
MapView.Region = region;
MapView.Delegate = new MapViewDelegate();
LoadData();
}
public override string MapClusterTitleForAnnotation(CCHMapClusterController mapClusterController, CCHMapClusterAnnotation mapClusterAnnotation)
{
return string.Format("{0} annotations", mapClusterAnnotation.Annotations.Count);
}
void UpdateWithSettings(Settings xsettings)
{
this.settings = xsettings;
// Map cluster controller settings
mapClusterControllerRed.DebuggingEnabled = settings.DebuggingEnabled;
mapClusterControllerRed.CellSize = settings.CellSize;
mapClusterControllerRed.MarginFactor = settings.MarginFactor;
if (settings.SettingsClusterer == SettingsClusterer.CenterOfMass)
{
mapClusterer = new CCHCenterOfMassMapClusterer();// [[CCHCenterOfMassMapClusterer alloc] init];
}
else if (settings.SettingsClusterer == SettingsClusterer.NearCenter)
{
mapClusterer = new CCHNearCenterMapClusterer();// [[CCHNearCenterMapClusterer alloc] init];
}
mapClusterControllerRed.Clusterer = mapClusterer;
mapClusterControllerRed.MaxZoomLevelForClustering = settings.MaxZoomLevelForClustering;
mapClusterControllerRed.MinUniqueLocationsForClustering = settings.MinUniqueLocationsForClustering;
if (settings.SettingsAnimator == SettingsAnimator.FadeInOut)
{
mapAnimator = new CCHFadeInOutMapAnimator();//[[CCHFadeInOutMapAnimator alloc] init];
}
mapClusterControllerRed.Animator = mapAnimator;
// Similar settings for second cluster controller
if (settings.GroupingEnabled)
{
if (mapClusterControllerBlue == null)
{
mapClusterControllerBlue = new CCHMapClusterController(mapView);
mapClusterControllerBlue.WeakDelegate = this;
}
mapClusterControllerBlue.DebuggingEnabled = settings.DebuggingEnabled;
mapClusterControllerBlue.CellSize = settings.CellSize + 20;
mapClusterControllerBlue.MarginFactor = settings.MarginFactor;
mapClusterControllerBlue.Clusterer = mapClusterer;
mapClusterControllerBlue.MaxZoomLevelForClustering = settings.MaxZoomLevelForClustering;
mapClusterControllerBlue.MinUniqueLocationsForClustering = settings.MinUniqueLocationsForClustering;
mapClusterControllerBlue.Animator = mapAnimator;
}
else
{
mapClusterControllerBlue = null;
}
// Restart data reader
count = 0;
dataReader.StopReadingData();
mapView.RemoveAnnotations(mapView.Annotations);
if (mapView.Overlays != null)
{
foreach (var overlay in mapView.Overlays)
{
mapView.RemoveOverlay(overlay);
}
}
MKCoordinateRegion region;
if (settings.SettingsDataSet == SettingsDataSet.Berlin)
{
// 5000+ items near Berlin
var location = new CLLocationCoordinate2D(52.516221, 13.377829);
region = MKCoordinateRegion.FromDistance(location, 45000, 45000);
dataReader.StartReadingBerlinData();
}
else
{
// 80000+ items in the US
var location = new CLLocationCoordinate2D(39.833333, -98.583333);
region = MKCoordinateRegion.FromDistance(location, 7000000, 7000000);
dataReader.StartReadingUSData();
}
mapView.Region = region;
}
