private void AddNewRegionPoint(PointLatLng point)
{
List <PointLatLng> locations;
if (_newRegionData == null)
{
locations = new List <PointLatLng> {
point
};
}
else
{
locations = new List <PointLatLng>(_newRegionData.Locations.Count);
locations.AddRange(_newRegionData.Locations);
locations.Add(point);
ItemsRemoved?.Invoke(this, _newRegionData);
}
var newPoint = new NewRegionPoint(point);
_newRegionPointsData.Add(newPoint);
ItemsAdded?.Invoke(this, newPoint);
_newRegionData = new NewRegionData(locations);
ItemsAdded?.Invoke(this, _newRegionData);
}
private void FlushNewRegion()
{
if (_newRegionData == null)
{
return;
}
var locations = _newRegionData.Locations;
// Чистим карту
ItemsRemoved?.Invoke(this, _newRegionData);
ItemsRemoved?.Invoke(this, _newRegionPointsData);
_newRegionData = null;
_newRegionPointsData.Clear();
// Добавляем новоиспечённый регион.
if (locations.Count > 2)
{
RegionCreated?.Invoke(this, locations);
}
}
