public void OnConnectionDragCompleted(Point currentDragPoint,
ConnectionViewModel newConnection,
ConnectorViewModel sourceConnector)
{
this.currentDragPoint = currentDragPoint;
if (connectingTo)
{
InputConnectorViewModel nearbyConnector = FindNearbyInputConnector(newConnection, currentDragPoint);
if (nearbyConnector == null)
{
RequestNodePickerWindow(newConnection);
// pick
return;
}
if (nearbyConnector == null || sourceConnector.Element == nearbyConnector.Element)
{
Connections.Remove(newConnection);
return;
}
ConnectionViewModel existingConnection = nearbyConnector.Connection;
if (existingConnection != null)
{
Connections.Remove(existingConnection);
}
newConnection.To = nearbyConnector;
}
else
{
OutputConnectorViewModel nearbyConnector = FindNearbyOutputConnector(newConnection, currentDragPoint);
foreach (ConnectionViewModel con in Connections.Where(c => c.To == newConnection.To && c.From != null).ToList())
{
Connections.Remove(con);
}
if (nearbyConnector == null)
{
RequestNodePickerWindow(newConnection);
// pick
return;
}
if (nearbyConnector == null || sourceConnector.Element == nearbyConnector.Element)
{
Connections.Remove(newConnection);
return;
}
newConnection.From = nearbyConnector;
}
}
public ConnectionViewModel(OutputConnectorViewModel from, InputConnectorViewModel to)
{
From = from;
To = to;
}
public ConnectionViewModel(OutputConnectorViewModel from)
{
From = from;
}
protected void AddOutputConnector(string name, IOType iotype, Color color)
{
var outputConnector = new OutputConnectorViewModel(this, iotype, name, color);
OutputConnectors.Add(outputConnector);
}