reactant.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * reactant.h 
00006  *
00007  * Copyright (C) 2004-2008 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024 
00025 #ifndef GCHEMPAINT_REACTANT_H
00026 #define GCHEMPAINT_REACTANT_H
00027 
00028 #include <gcu/object.h>
00029 
00030 namespace gcp {
00031 
00032 class ReactionStep;
00033 
00034 class Reactant: public gcu::Object
00035 {
00036 public:
00037         Reactant ();
00038         virtual ~Reactant ();
00039 
00040         Reactant (ReactionStep* step, gcu::Object* object) throw (std::invalid_argument);
00041         
00042         virtual xmlNodePtr Save (xmlDocPtr xml) const;
00043         virtual bool Load (xmlNodePtr);
00044 
00045         unsigned GetStoichiometry () const {return m_Stoich;}
00046         void SetStoichiometry (unsigned coef) {m_Stoich = coef;}
00047         virtual double GetYAlign ();
00048         virtual bool BuildContextualMenu (GtkUIManager *UIManager, gcu::Object *object, double x, double y);
00049         virtual bool OnSignal (gcu::SignalId Signal, gcu::Object *Child);
00050         
00051         void AddStoichiometry ();
00052         gcu::Object *GetChild () {return Child;}
00053         gcu::Object *GetStoichChild () {return Stoichiometry;}
00054 
00055 private:
00056         unsigned m_Stoich;      //always positive
00057         gcu::Object *Stoichiometry;
00058         gcu::Object *Child;
00059 };
00060 
00061 }       //      namespace gcp
00062 
00063 #endif //       GCHEMPAINT_REACTANT_H

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