private void Connect(PortModel p)
{
//test if the port that you are connecting too is not the start port or the end port
//of the current connector
if (p.Equals(Start) || p.Equals(End))
{
return;
}
//if the selected connector is also an output connector, return false
//output ports can't be connected to eachother
if (p.PortType == PortType.Output)
{
return;
}
//test if the port that you are connecting to is an input and
//already has other connectors
if (p.PortType == PortType.Input && p.Connectors.Count > 0)
{
p.Disconnect(p.Connectors[0]);
}
//turn the line solid
End = p;
if (End != null)
{
p.Connect(this);
}
return;
}
/// <summary>
/// Constructor used when only the start and end <see cref="PortModel"/> are known.
/// </summary>
/// <param name="start">The start <see cref="PortModel"/>.</param>
/// <param name="end">The end <see cref="PortModel"/>.</param>
/// <param name="guid">The unique identifier for the <see cref="ConnectorModel"/>.</param>
public ConnectorModel(PortModel start, PortModel end, Guid guid)
{
Start = start;
Start.Connect(this);
Connect(end);
GUID = guid;
}
/// <summary>
/// Constructor used when only the start and end <see cref="PortModel"/> are known.
/// </summary>
/// <param name="start">The start <see cref="PortModel"/>.</param>
/// <param name="end">The end <see cref="PortModel"/>.</param>
/// <param name="guid">The unique identifier for the <see cref="ConnectorModel"/>.</param>
public ConnectorModel(PortModel start, PortModel end, Guid guid)
{
Debug.WriteLine("Creating a connector between ports {0}(owner:{1}) and {2}(owner:{3}).",
start.GUID, start.Owner == null?"null":start.Owner.NickName, end.GUID, end.Owner == null?"null":end.Owner.NickName);
Start = start;
Start.Connectors.Add(this);
Connect(end);
GUID = guid;
}
protected override void PortDisconnectedHandler(PortModel obj)
{
OnClear();
}
protected override void PortConnectedHandler(PortModel arg1, ConnectorModel arg2)
{
UpdateUpstream();
}
/// <summary>
/// Map old Guids to new Models in the IdReferenceResolver.
/// </summary>
/// <param name="node">The newly created node.</param>
/// <param name="inPorts">The deserialized input ports.</param>
/// <param name="outPorts">The deserialized output ports.</param>
/// <param name="resolver">The IdReferenceResolver used during deserialization.</param>
private static void RemapPorts(NodeModel node, PortModel[] inPorts, PortModel[] outPorts, IdReferenceResolver resolver)
{
foreach (var p in node.InPorts)
{
resolver.AddToReferenceMap(inPorts[p.Index].GUID, p);
}
foreach (var p in node.OutPorts)
{
resolver.AddToReferenceMap(outPorts[p.Index].GUID, p);
}
}