/* This file is part of Rocs,
   Copyright (C) 2008 by:
   Tomaz Canabrava <tomaz.canabrava@gmail.com>
   Ugo Sangiori <ugorox@gmail.com>

   Rocs 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.

   Rocs 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 Step; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#include "URAddEdge.h"
#include "node.h"
#include "graph.h"
#include "edge.h"

URAddEdge::URAddEdge(Edge *e) {
    _edge = e;
    _from = e->from();
    _to = e->to();
    _graph = qobject_cast<Graph*>(e->parent());
}

void URAddEdge::redo() {
    _edge->remove();
}

void URAddEdge::undo() {
    _graph->addEdge(_from, _to);
}