public T GetOrAddPin <T>(Action <T> factory, string id, GraphValueType type = null) where T : IPin, new()
{
if (string.IsNullOrEmpty(id))
{
var pins = Pins.Where(p => p.Id.StartsWith("#")).ToList();
id = "#" + (pins.Count == 0?0:pins.Max(p => int.Parse(p.Id.TrimStart('#'))) + 1);
}
else
{
var pin = Pins.FirstOrDefault(p => p.Id == id);
if (pin is T tp)
{
return(tp);
}
}
var newPin = new T
{
Id = id,
Group = this,
};
if (type != null)
{
newPin.ValueType = type;
}
factory?.Invoke(newPin);
Pins.Add(newPin);
return(newPin);
}
public T GetOrAddPin <T>(string id = null, GraphValueType type = null) where T : IPin, new()
{
return(GetOrAddPin <T>(null, id, type));
}
