public override void MouseDown(NSEvent theEvent)
{
base.MouseDown(theEvent);
CurrentStartNode = GetInteractingNodePort();
if (CurrentStartNode != null)
{
SetNodeColors();
SetDrawingLayerColor();
CurrentStartPosition = CurrentStartNode.GetNodePortMidPoint();
CurrentStartNode.SetHasConnection(true);
}
}
void SetDefaultConnections()
{
var settings = SynthSettings.Instance;
var sourceNodes = Nodes.Where(n => n is SourceNodeView);
var targetNodes = Nodes.Where(n => n is TargetNodeView);
foreach (var targetModifier in Enum.GetValues(typeof(TargetModifier)).Cast <TargetModifier>())
{
var source = settings.GetSourceForTarget(targetModifier);
CurrentStartNode = sourceNodes.First(n => (n as SourceNodeView).ColorComponent == source);
CurrentEndNode = targetNodes.First(n => (n as TargetNodeView).TargetModifier == targetModifier);
CurrentStartPosition = CurrentStartNode.GetNodePortMidPoint();
CurrentEndPosition = CurrentEndNode.GetNodePortMidPoint();
ValidConnectionMade();
}
}
public abstract bool CanConnectToNode(BaseNodeView other);
void ResetDragStates()
{
DrawingLayer.Path = null;
CurrentStartPosition = CurrentEndPosition = new CGPoint(0, 0);
CurrentStartNode = CurrentEndNode = null;
}
public override bool CanConnectToNode(BaseNodeView other)
{
return
(other != this &&
other is TargetNodeView);
}