public T AddLink <T>(T link, PortModel source, PortModel?target = null) where T : LinkModel
{
link.Type = Options.Links.DefaultLinkType;
source.AddLink(link);
if (target == null)
{
link.OnGoingPosition = new Point(source.Position.X + source.Size.Width / 2,
source.Position.Y + source.Size.Height / 2);
}
else
{
target.AddLink(link);
}
source.Refresh();
target?.Refresh();
source.Parent.Group?.Refresh();
target?.Parent.Group?.Refresh();
LinkAdded?.Invoke(link);
Changed?.Invoke();
return(link);
}
public void SetTargetPort(PortModel?port)
{
if (TargetPort == port)
{
return;
}
var old = TargetPort;
TargetPort?.RemoveLink(this);
TargetPort = port;
TargetPort?.AddLink(this);
TargetPortChanged?.Invoke(this, old, TargetPort);
}
public void SetSourcePort(PortModel port)
{
if (SourcePort == port)
{
return;
}
var old = SourcePort;
SourcePort?.RemoveLink(this);
SourcePort = port;
SourcePort.AddLink(this);
SourcePortChanged?.Invoke(this, old, SourcePort);
}
public void AttachLink(LinkModel link, PortModel targetPort)
{
if (link.IsAttached)
{
throw new Exception("Link already attached.");
}
if (!link.SourcePort.CanAttachTo(targetPort))
{
return;
}
link.SetTargetPort(targetPort);
targetPort.AddLink(link);
link.Refresh();
LinkAttached?.Invoke(link);
}
public T AddLink <T>(PortModel source, PortModel?target = null) where T : LinkModel
{
var link = (T)Activator.CreateInstance(typeof(T), source, target);
link.Type = Options.DefaultLinkType;
source.AddLink(link);
if (target == null)
{
link.OnGoingPosition = new Point(source.Position.X + source.Size.Width / 2,
source.Position.Y + source.Size.Height / 2);
}
else
{
target.AddLink(link);
}
LinkAdded?.Invoke(link);
Changed?.Invoke();
return(link);
}