void DoUntrackGraphElement(Port port) { port.UnregisterCallback <GeometryChangedEvent>(OnPortGeometryChanged); VisualElement current = port.hierarchy.parent; while (current != null) { if (current is GraphView.Layer) { break; } if (current != port.node) // if we encounter our node ignore it but continue in the case there are nodes inside nodes { port.UnregisterCallback <GeometryChangedEvent>(OnGeometryChanged); } current = current.hierarchy.parent; } if (port.node != null) { port.node.UnregisterCallback <GeometryChangedEvent>(OnGeometryChanged); } }
void UntrackGraphElement(Port port) { port.UnregisterCallback <AttachToPanelEvent>(OnPortAttach); port.UnregisterCallback <DetachFromPanelEvent>(OnPortDetach); DoUntrackGraphElement(port); }