/*
 * CommandList.cpp
 *
 * Copyright (C) 1999 Stephen F. White
 * 
 * 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 (see the file "COPYING" for details); if 
 * not, write to the Free Software Foundation, Inc., 675 Mass Ave, 
 * Cambridge, MA 02139, USA.
 */

#include "stdafx.h"

#include "CommandList.h"

CommandList::~CommandList()
{
    List<Command *>::Iterator	*i;

    for (i =_children.first(); i; i = i->next()) {
	delete i->item();
    }
}

void
CommandList::execute()
{
    List<Command *>::Iterator	*i;

    for (i =_children.first(); i; i = i->next()) {
	i->item()->execute();
    }
}

void
CommandList::undo()
{
    List<Command *>::Iterator	*i;

    for (i =_children.last(); i; i = i->prev()) {
	i->item()->undo();
    }
}

void
CommandList::append(Command *cmd)
{
    _children.append(cmd);
}