#ifndef EDGEINSTANCE_H_
#define EDGEINSTANCE_H_

#include "FaceInstance.h"

class EdgeInstance: public Selectable
{
		FaceInstances& m_faceInstances;
		SelectableEdge* m_edge;

		void select_edge (bool select)
		{
			FaceVertexId faceVertex = m_edge->m_faceVertex;
			m_faceInstances[faceVertex.getFace()].select_edge(faceVertex.getVertex(), select);
			faceVertex = next_edge(m_edge->m_faces, faceVertex);
			m_faceInstances[faceVertex.getFace()].select_edge(faceVertex.getVertex(), select);
		}
		bool selected_edge () const
		{
			FaceVertexId faceVertex = m_edge->m_faceVertex;
			if (!m_faceInstances[faceVertex.getFace()].selected_edge(faceVertex.getVertex())) {
				return false;
			}
			faceVertex = next_edge(m_edge->m_faces, faceVertex);
			if (!m_faceInstances[faceVertex.getFace()].selected_edge(faceVertex.getVertex())) {
				return false;
			}

			return true;
		}

	public:
		EdgeInstance (FaceInstances& faceInstances, SelectableEdge& edge) :
			m_faceInstances(faceInstances), m_edge(&edge)
		{
		}
		EdgeInstance& operator= (const EdgeInstance& other)
		{
			m_edge = other.m_edge;
			return *this;
		}

		void setSelected (bool select)
		{
			select_edge(select);
		}
		bool isSelected () const
		{
			return selected_edge();
		}

		void invertSelected ()
		{
			setSelected(!isSelected());
		}

		void testSelect (Selector& selector, SelectionTest& test)
		{
			SelectionIntersection best;
			m_edge->testSelect(test, best);
			if (best.valid()) {
				Selector_add(selector, *this, best);
			}
		}
};

#endif /*EDGEINSTANCE_H_*/
