selection_callbacks.h

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/*
 * Copyright (c) 2015:  G-CSC, Goethe University Frankfurt
 * Author: Sebastian Reiter
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * 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 Lesser General Public License for more details.
 */
 
#ifndef __H__UG_selection_callbacks
#define __H__UG_selection_callbacks
 
#include "lib_grid/tools/selector_interface.h"
#include "element_callback_interface.h"
 
namespace ug{
class IsSelected : public ElementCallback
{
  public:
    IsSelected(const ISelector& sel) :
      m_sel(sel)  {}
 
    bool operator() (Vertex* v) const {return callback(v);}
    bool operator() (Edge* e) const   {return callback(e);}
    bool operator() (Face* f) const   {return callback(f);}
    bool operator() (Volume* v) const {return callback(v);}
 
  private:
    template <class TElem>
    bool callback(TElem* e) const   {return m_sel.is_selected(e);}
 
  private:
    const ISelector&  m_sel;
};
 
class IsNotSelected : public ElementCallback
{
  public:
    IsNotSelected(const ISelector& sel) :
      m_sel(sel)  {}
 
    bool operator() (Vertex* v) const {return callback(v);}
    bool operator() (Edge* e) const   {return callback(e);}
    bool operator() (Face* f) const   {return callback(f);}
    bool operator() (Volume* v) const {return callback(v);}
 
  private:
    template <class TElem>
    bool callback(TElem* e) const   {return !m_sel.is_selected(e);}
 
  private:
    const ISelector&  m_sel;
};
 //lib_grid_element_callbacks
}// end of namespace
 
#endif  //__H__UG_selection_callbacks