// action.cpp -- the base class for actions
//
// Written by Frederic Bouvier, started May 2002.
//
// Copyright (C) 2002  Frederic Bouvier - fredb@users.sourceforge.net
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id: action.cpp,v 1.5 2002/07/14 23:05:45 fredb Exp $

#include "action.hpp"

long FGSD_ActionID::_currentId = 0;
FGSD_MainWindow *FGSD_Action::_mainWindow = 0;
void (*FGSD_Action::_step)( size_t, void * ) = 0;

bool FGSD_Action::combine( FGSD_Action *__action )
{
   return false;
}

size_t FGSD_Action::weight( SGPropertyNode *__node )
{
   return 1;
}

double FGSD_Action::timeoutForCombine() const
{
   return 500000.0;
}

void FGSD_Action::step( size_t n ) const
{
   _step( n, _mainWindow );
}

bool FGSD_Action::getPosition( bool undo, double &lon, double &lat ) const
{
   return false;
}

bool FGSD_Action::savable() const
{
   return true;
}

FGSD_ActionID::FGSD_ActionID()
{
   _currentId += 1;
   _id = _currentId;
}

bool FGSD_ActionID::operator==( const FGSD_ActionID &right ) const
{
   return _id == right._id;
}