Method nodePortIsEmpty

QtNodeEditor/src/NodeConnectionInteraction.cpp:226–238

bool
NodeConnectionInteraction::
nodePortIsEmpty(PortType portType, PortIndex portIndex) const
{
  NodeState const & nodeState = _node->nodeState();

  auto const & entries = nodeState.getEntries(portType);

  if (entries[portIndex].empty()) return true;

  const auto outPolicy = _node->nodeDataModel()->portOutConnectionPolicy(portIndex);
  return ( portType == PortType::Out && outPolicy == NodeDataModel::ConnectionPolicy::Many);
}