vstoreitem.h

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// -*- C++ -*-
//
// This file is part of libgvectors.
// libgvectors is a C++ library intended for visualizing mathematical vectors.
// Copyright (C) 2007  Rafael Ostertag
//
// 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 2
// 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 Street, Fifth Floor, Boston, MA  02110-1301,
// USA.
//
// $Id: vstoreitem_8h-source.html,v 1.1 2007-09-08 19:02:38 rafi Exp $
//
// File:   vstoreitem.h
// Author: Rafael Ostertag
//
// Created on July 22, 2007, 8:01 PM
//

#ifndef _VSTOREITEM_H
#define _VSTOREITEM_H

#include <list>

#include <gvectortypes.h>
#include <gvector.h>
#include <drawer.h>
#include <vstorefuncs.h>
#include <visualvector.h>
#include <filewriter.h>

namespace GVectors {
    class VStoreItem {
    private:
        VStoreItem *parent;
        gvid_t id;
        bool ismanaged;
        vv_ptr_t vector;
        std::list<VStoreItem*> children;
        std::list<gvid_t>& ref_deleted;
        
    protected:
        void set_origin_on_children();
        
        VStoreItem(vv_ptr_t v, std::list<gvid_t>& dr, VStoreItem* p, bool m=true);
        virtual ~VStoreItem();
        
        gvid_t get_id() const;
        vv_ptr_t get_vector() const;
        
        void replace(vv_ptr_t v, bool m=true);
        void replace(vv_ref_t v);
        
        void set_origin(const Coordinates& c);
        void set_scale(double sc);
        void set_arrow_length(double arl);
        void set_rotation(const Rotation& r);
        void draw(Drawer &d);
        
        VStoreItem* add_child(vv_ptr_t v, bool m=true);
        inline VStoreItem* get_parent() const { return parent; }
        void child_gone(const VStoreItem *child);
        void count_items(CountItems& ci) const;
        void save_items(vslevel_t level, FileWriter& fw) const;
        
        void sum_up(GVector& vec) const;
        void dimension(GetMinMax& gmm) const;
        
        friend class VectorStore;
        friend class FindTopLevel;
        friend class VDelete;
        friend class VSetOrigin;
        friend class VSetArrowLength;
        friend class VSetScale;
        friend class VSetRotation;
        friend class VDraw;
        friend class ForEachMinMax;
        friend class CountItems;
        friend class SaveItems;
    };
    
    typedef VStoreItem* vsi_ptr_t;
    typedef VStoreItem& vsi_ref_t;
    typedef const VStoreItem* const_vsi_ptr_t;
    typedef const VStoreItem& const_vsi_ref_t;
}

#endif  /* _VSTOREITEM_H */

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