// -*- C++ -*-

/*
 * Gnome Chemistry Utils
 * gcr/bond.h
 *
 * Copyright (C) 2002-2010 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCR_BOND_H
#define GCR_BOND_H

#include <libxml/parser.h>
#include <list>
#include <gcu/bond.h>

namespace gcr
{

/*!\class Bond gcr/bond.h
This class will be used to represent bonds inside crystals. It is not implemented yet.
*/
class Bond: public gcu::Bond
{
public:
	Bond ();
	virtual ~Bond ();

public :
	Bond (double X1, double Y1, double Z1, double X2, double Y2, double Z2, double r, float red, float green, float blue, float alpha);
	Bond (Bond& cbBond);
	Bond& operator= (Bond&);

	void Draw ();
	double X1 (void) {return m_dx;}
	double Y1 (void) {return m_dy;}
	double Z1 (void) {return m_dz;}
	double X2 (void) {return m_dx2;}
	double Y2 (void) {return m_dy2;}
	double Z2 (void) {return m_dz2;}
	double Xmax ();
	double Ymax ();
	double Zmax ();
	double Xmin ();
	double Ymin ();
	double Zmin ();
	double Long () {return m_dl;}
	void SetPosition (double x, double y, double z, double x1, double y1, double z1);
	void SetColor (float red, float green, float blue, float alpha);
	void GetColor (double *red, double *green, double *blue, double *alpha);
	void SetRadius (double r);
	double GetRadius () {return m_dr;};
	bool operator== (Bond&);
	virtual void Move (double x, double y, double z);
	double ScalProd (int h, int k, int l);
	void Cleave () {m_nCleave++;}
	void NetToCartesian (double a, double b, double c, double alpha, double beta, double gamma);
	double Distance (double x, double y, double z, bool bFixed);
	bool IsCleaved () {return m_nCleave != 0;}
	void GetRotation (double& x, double& y, double& z, double& th);
	virtual xmlNodePtr Save (xmlDocPtr xml);
	virtual bool Load (xmlNodePtr node);

private :
	float m_fBlue, m_fRed, m_fGreen, m_fAlpha;
	double m_dx, m_dy, m_dz, m_dx2, m_dy2, m_dz2, m_dr, m_dl;
	double m_dxrot, m_dyrot, m_darot;//rotation axis coordinates (z = 0) and angle
	int m_nCleave; //0 if not cleaved
};

typedef std::list<Bond*> BondList;

}// namespace gcr

#endif // GCR_BOND_H
