void CreateZone(Zone z)
{
Overlay polygon;
Marker marker;
if (!z.Active || !z.Visible) {
if (overlays.ContainsKey (z.ObjIndex)) {
overlays.TryGetValue (z.ObjIndex, out polygon);
if (polygon != null)
polygon.Map = null;
overlays.Remove (z.ObjIndex);
markers.TryGetValue (z.ObjIndex, out marker);
if (marker != null)
marker.Map = null;
markers.Remove (z.ObjIndex);
}
return;
}
if (!overlays.TryGetValue(z.ObjIndex, out polygon)) {
polygon = new Polygon () {
FillColor = Colors.ZoneFill,
StrokeColor = Colors.ZoneStroke,
StrokeWidth = 2,
Tappable = true,
Map = mapView
};
overlays.Add (z.ObjIndex, polygon);
}
if (!markers.TryGetValue(z.ObjIndex, out marker)) {
marker = new Marker () {
Tappable = true,
Icon = (z.Icon != null ? UIImage.LoadFromData (NSData.FromArray (z.Icon.Data)) : Images.IconMapZone),
GroundAnchor = z.Icon != null ? new PointF(0.5f, 0.5f) : new PointF(0.075f, 0.95f),
InfoWindowAnchor = z.Icon != null ? new PointF(0.5f, 0.5f) : new PointF(0.075f, 0.0f),
Map = mapView
};
markers.Add (z.ObjIndex, marker);
}
polygon.Title = z.Name;
marker.Title = z.Name;
var inventory = (WherigoCollection<Thing>)z.Inventory;
if (inventory.Count > 0) {
StringBuilder s = new StringBuilder ();
foreach (Thing thing in inventory) {
s.Append ((s.Length > 0 ? ", " : "") + (thing.Name == null ? "" : thing.Name));
}
marker.Snippet = Catalog.Format(Catalog.GetString("Contains {0}"), s.ToString());
}
MutablePath path = new MutablePath ();;
WherigoCollection<ZonePoint> points = z.Points;
double lat = 0;
double lon = 0;
foreach (ZonePoint zp in points) {
lat += zp.Latitude;
lon += zp.Longitude;
path.AddLatLon (zp.Latitude, zp.Longitude);
}
((Polygon)polygon).Path = path;
polygon.ZIndex = 50;
marker.Position = new CLLocationCoordinate2D ((float)lat / (float)points.Count, (float)lon / (float)points.Count);
marker.ZIndex = 100;
}
/// <summary>
/// Replaces the already visible zone or creates a new one.
/// </summary>
/// <param name="z">The z coordinate.</param>
/// <param name="replace">The z coordinate.</param>
void CreateZone (Zone z, Polygon replace = null)
{
IList<LatLng> points = new List<LatLng>(z.Points.Count);
if (replace != null) {
// Replace the points from the old polygon
foreach (var zp in z.Points) {
points.Add(new LatLng(zp.Latitude, zp.Longitude));
replace.Points = points;
}
} else {
// Create a new polygon for zone
PolygonOptions po = new PolygonOptions ();
foreach (var zp in z.Points) {
po.Points.Add (new LatLng (zp.Latitude, zp.Longitude));
}
po.InvokeStrokeColor (Color.Argb (160, 255, 0, 0));
po.InvokeStrokeWidth (2);
po.InvokeFillColor (Color.Argb (80, 255, 0, 0));
po.InvokeZIndex(1);
// Add polygon to list of active zones
zones.Add (z.ObjIndex, _map.AddPolygon (po));
}
}