VisionFlowPro/NodeEditorPro/include/nodes/ConnectionState.hpp

#pragma once

#include <QtCore/QUuid>

#include "PortType.hpp"

class QPointF;

namespace QtNodes
{

	class Node;

	/// Stores currently draggind end.
	/// Remembers last hovered Node.
	class ConnectionState
	{
	public:

		ConnectionState(PortType port = PortType::None)
			: _requiredPort(port)
		{}

		ConnectionState(const ConnectionState&) = delete;
		ConnectionState operator=(const ConnectionState&) = delete;

		~ConnectionState();

	public:

		void setRequiredPort(PortType end)
		{
			_requiredPort = end;
		}

		PortType requiredPort() const
		{
			return _requiredPort;
		}

		bool requiresPort() const
		{
			return _requiredPort != PortType::None;
		}

		void setNoRequiredPort()
		{
			_requiredPort = PortType::None;
		}

	public:

		void interactWithNode(Node* node);

		void setLastHoveredNode(Node* node);

		Node*
			lastHoveredNode() const
		{
			return _lastHoveredNode;
		}

		void resetLastHoveredNode();

	private:

		PortType _requiredPort;

		Node* _lastHoveredNode{ nullptr };
	};
}