step.h

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// -*- C++ -*-

/*
 * GChemPaint library
 * step.h
 *
 * Copyright (C) 2011 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 GCHEMPAINT_STEP_H
#define GCHEMPAINT_STEP_H

#include <gcu/object.h>

namespace gcp {

class Arrow;

class Step: public gcu::Object
{
public:
        Step (gcu::TypeId type);
        virtual ~Step ();

        void AddArrow (Arrow *arrow, Step *step) throw (std::invalid_argument);
        void RemoveArrow (Arrow *arrow, Step *step);
        bool Validate () {return m_Arrows.size () > 0;}
        std::map < Step *, Arrow * > *GetArrows () {return &m_Arrows;}

protected:
        std::map < Step *, Arrow * > m_Arrows;
};

}       //      namespace gcp

#endif  //      GCHEMPAINT_STEP_H