public Connection(Component input, ObservingComponent output, Polyline line)
{
Input = input;
Input.Subscribe(this);
Subscribe(output);
Output.AddInput(this);
Polyline = new Polyline
{
Points = line.Points, Stroke = IsActive ? Brushes.Red : Brushes.Gray, ZIndex = -9999
};
App.MainWindow.GridCanvas.Canvas.Children.Add(Polyline);
Notify();
}
/**
* Subscribes the Observer to this Connection.
*/
public IDisposable Subscribe(IObserver <Connection> observer)
{
Output = (ObservingComponent)observer;
return((observer as IDisposable) !);
}