Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.graph;

import java.awt.Component;

import java.io.BufferedWriter;

import java.io.FileWriter;

import java.io.IOException;

import javax.swing.JFileChooser;

import javax.swing.JOptionPane;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiManager.IWindow;

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

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

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

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

import com.iver.cit.gvsig.graph.core.GraphException;

import com.iver.cit.gvsig.graph.core.GvFlag;

import com.iver.cit.gvsig.graph.core.Network;

import com.iver.cit.gvsig.graph.solvers.OneToManySolver;

import com.iver.cit.gvsig.project.documents.view.gui.View;

public class ODMatrixExtension extends Extension {

        public void initialize() {

        }

        public void execute(String actionCommand) {

                View v = (View) PluginServices.getMDIManager().getActiveWindow();

                MapContext map = v.getMapControl().getMapContext();

                SingleLayerIterator it = new SingleLayerIterator(map.getLayers());

                if (actionCommand.equals("ODMATRIX")) {

                        while (it.hasNext())

                        {

                                FLayer aux = it.next();

                                if (!aux.isActive())

                                        continue;

                                Network net = (Network) aux.getProperty("network");

                                if ( net != null)

                                {

                                        GvFlag[] flags = net.getFlags();

                                        if(flags.length == 0)

                                        {

                                                JOptionPane.showMessageDialog(null, "Primero carga las paradas.");

                                                return;

                                        }

//                                        PluginServices.getMDIManager().addWindow(new RouteControlPanel(net));

                                        JFileChooser dlg = new JFileChooser();

                                        if (dlg.showSaveDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION)

                                        {

//                                                RandomAccessFile file = null;

//                                                try {

//                                                        file = new RandomAccessFile(dlg.getSelectedFile(), "rw");

//                                                } catch (FileNotFoundException e1) {

//                                                        // TODO Auto-generated catch block

//                                                        e1.printStackTrace();

//                                                }

                                                BufferedWriter output;

                                                try {

                                                        output = new BufferedWriter(new FileWriter(dlg.getSelectedFile()));

        //                                                output.setByteOrder(ByteOrder.LITTLE_ENDIAN);

                                                        OneToManySolver solver = new OneToManySolver();

                                                        solver.setNetwork(net);

                                                        solver.putDestinationsOnNetwork();

                                                        for (int i=0; i < flags.length; i++)

                                                        {

                                                                solver.setSourceFlag(flags[i]);

                                                                long t1 = System.currentTimeMillis();

                                                                solver.calculate();

                                                                long t2 = System.currentTimeMillis();

                                                                System.out.println("Punto " + i + " de " + flags.length + ". " + (t2-t1) + " msecs.");

                                                                // Escribe el resultado

                                                                // idNodo1 idNodo2 tiempo distancia

                                                                for (int j=0; j < flags.length; j++)

                                                                {

                                                                        long secs = Math.round(flags[j].getCost());

                                                                        long meters = Math.round(flags[j].getAccumulatedLength());

                                                                        String strAux = i + "\t" + j + "\t" + secs + "\t" + meters;

                                                                        output.write(strAux);

                                                                        output.newLine();

                                                                }

                                                                long t3 = System.currentTimeMillis();

                                                                System.out.println("T. de escritura: " + (t3-t2) + " msecs.");

                                                        }

                                                        solver.removeDestinationsFromNetwork();

                                                        output.flush();

                                                        output.close();

                                                        JOptionPane.showMessageDialog((Component) PluginServices.getMainFrame(),

                                                                        PluginServices.getText(this,"fichero_generado"));

                                                } catch (IOException e) {

                                                        // TODO Auto-generated catch block

                                                        e.printStackTrace();

                                                } catch (GraphException e) {

                                                        // TODO Auto-generated catch block

                                                        e.printStackTrace();

                                                }

                                        } // if

                                        return;

                                }

                        }

                }

        }

        public boolean isEnabled() {

                IWindow window = PluginServices.getMDIManager().getActiveWindow();

                if (window instanceof View)

                {

                        View v = (View) window;

                MapControl mapCtrl = v.getMapControl();

                        MapContext map = mapCtrl.getMapContext();

                        SingleLayerIterator it = new SingleLayerIterator(map.getLayers());

                        while (it.hasNext())

                        {

                                FLayer aux = it.next();

                                if (!aux.isActive())

                                        continue;

                                Network net = (Network) aux.getProperty("network");

                                if ( net != null)

                                {

                                        return true;

                                }

                        }

                }

                return false;

        }

        public boolean isVisible() {

                IWindow f = PluginServices.getMDIManager()

                 .getActiveWindow();

                if (f == null) {

                    return false;

                }

                if (f instanceof View) {

                        return true;

                }

                return false;

        }

}