Desktop/sourceforge/geometria/src/kernel/geo_element.hpp

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/*
This file is part of geometria.

geometria 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 2 of the License, 
or (at your option) any later version.

geometria 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 geometria; if not, write to the Free Software 
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

(c) Philipp Moritz, 2006
*/

#ifndef GEO_ELEMENT_HPP
#define GEO_ELEMENT_HPP

#include "subject.hpp"
#include "observer.hpp"
#include "../ui/drawing_context.hpp"

#include <iostream>
#include <boost/noncopyable.hpp>

class geo_element : public subject, public observer, public boost::noncopyable
{
protected:
        std::string m_name;
public:
        geo_element(const std::string& name);
        virtual ~geo_element(void);

        virtual std::ostream& put(std::ostream& s) = 0;

        std::string get_name();
        void set_name(const std::string& name);

        virtual void update() = 0;

        virtual void draw(boost::shared_ptr<drawing_context> context) = 0;
};

std::ostream& operator<<(std::ostream& s, geo_element& el);

#endif

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