| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2009 Software Colaborativo (www.scolab.es)   development

*/

package org.gvsig.graph.solvers;

import org.gvsig.graph.core.GvEdge;

import org.gvsig.graph.core.GvFlag;

import org.gvsig.graph.core.GvNode;

import org.gvsig.graph.core.Network;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.fmap.MapContext;

import com.iver.cit.gvsig.fmap.layers.FBitSet;

public class SelectDijkstraListener implements IDijkstraListener {

        private Network net;

        private MapContext mapContext;

        public SelectDijkstraListener(Network net, MapContext mapContext) {

                this.net = net;

                this.mapContext = mapContext;

        }

        public void startSelection() {

                mapContext.beginAtomicEvent();

        }

        public void stopSelection() {

                mapContext.endAtomicEvent();

        }

        public boolean adjacentEdgeVisited(GvNode fromNode, GvEdge edge) {

                // TODO: Tener en cuenta maxDistance y maxCost

                try {

                        FBitSet bs = net.getLayer().getRecordset().getSelection();

                        bs.set(edge.getIdArc());

                } catch (ReadDriverException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                return true;

        }

        public boolean minimumCostNodeSelected(GvNode node) {

                return false;

        }

}