| gvSIG desktop 1

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

 *

 * Copyright (C) 2005 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

 */

/* CVS MESSAGES:

 *

 * $Id$

 * $Log$

 * Revision 1.25.2.1  2007-04-20 07:50:34  caballero

 * ManualDataSource por AutomaticDataSource

 *

 * Revision 1.25  2006/11/14 18:32:32  fjp

 * *** empty log message ***

 *

 * Revision 1.24  2006/11/14 16:12:01  fjp

 * *** empty log message ***

 *

 * Revision 1.23  2006/11/14 09:23:30  fjp

 * cargar paradas desde cualquier tema de puntos

 *

 * Revision 1.22  2006/11/10 13:57:04  fjp

 * *** empty log message ***

 *

 * Revision 1.21  2006/11/09 21:08:32  azabala

 * *** empty log message ***

 *

 * Revision 1.20  2006/11/09 12:51:12  jaume

 * *** empty log message ***

 *

 * Revision 1.19  2006/11/09 11:00:43  jaume

 * *** empty log message ***

 *

 * Revision 1.18  2006/11/09 10:59:53  jaume

 * *** empty log message ***

 *

 * Revision 1.17  2006/11/09 10:27:50  fjp

 * *** empty log message ***

 *

 * Revision 1.16  2006/11/09 10:24:11  fjp

 * *** empty log message ***

 *

 * Revision 1.15  2006/11/09 09:16:35  fjp

 * Ya va!!

 *

 * Revision 1.14  2006/11/08 20:14:52  azabala

 * *** empty log message ***

 *

 * Revision 1.13  2006/11/08 19:32:22  azabala

 * saveroute and saveflags modifications

 *

 * Revision 1.12  2006/11/08 18:16:28  fjp

 * *** empty log message ***

 *

 * Revision 1.11  2006/11/08 16:48:19  fjp

 * *** empty log message ***

 *

 * Revision 1.10  2006/11/08 16:00:39  fjp

 * Por terminar el enlace flags-cuadro de di?logo

 *

 * Revision 1.9  2006/11/08 13:18:46  fjp

 * Por terminar el enlace flags-cuadro de di?logo

 *

 * Revision 1.8  2006/11/07 19:49:38  azabala

 * *** empty log message ***

 *

 * Revision 1.7  2006/11/06 13:13:53  azabala

 * *** empty log message ***

 *

 * Revision 1.6  2006/11/06 10:29:32  jaume

 * *** empty log message ***

 *

 * Revision 1.5  2006/11/03 19:39:29  azabala

 * *** empty log message ***

 *

 * Revision 1.4  2006/10/27 18:26:22  azabala

 * added implementation of load stages method

 *

 * Revision 1.3  2006/10/27 12:41:09  jaume

 * GUI

 *

 * Revision 1.2  2006/10/26 16:31:21  jaume

 * GUI

 *

 * Revision 1.1  2006/10/25 10:50:41  jaume

 * movement of classes and gui stuff

 *

 * Revision 1.4  2006/10/24 08:04:41  jaume

 * *** empty log message ***

 *

 * Revision 1.3  2006/10/23 16:00:20  jaume

 * *** empty log message ***

 *

 * Revision 1.2  2006/10/23 08:05:39  jaume

 * GUI

 *

 * Revision 1.1  2006/10/20 12:02:50  jaume

 * GUI

 *

 *

 */

package com.iver.cit.gvsig.graph.gui;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.geom.Rectangle2D;

import java.text.NumberFormat;

import java.util.ArrayList;

import java.util.List;

import javax.swing.ImageIcon;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.ListSelectionModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.event.TableModelEvent;

import javax.swing.event.TableModelListener;

import javax.swing.table.AbstractTableModel;

import javax.swing.table.TableColumnModel;

import javax.swing.table.TableModel;

import org.cresques.cts.IProjection;

import org.gvsig.gui.beans.swing.GridBagLayoutPanel;

import org.gvsig.gui.beans.swing.JBlank;

import org.gvsig.gui.beans.swing.JButton;

import com.hardcode.gdbms.engine.values.Value;

import com.hardcode.gdbms.engine.values.ValueFactory;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

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

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

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

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

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

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

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

import com.iver.cit.gvsig.fmap.core.DefaultFeature;

import com.iver.cit.gvsig.fmap.core.FPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.edition.EditionException;

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

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.graph.NetworkUtils;

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

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

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

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

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

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

import com.iver.cit.gvsig.graph.tools.FlagListener;

import com.iver.cit.gvsig.project.documents.gui.FOpenDialog;

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

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

import com.iver.cit.gvsig.util.GvSession;

import com.vividsolutions.jts.geom.Coordinate;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.MultiPoint;

import com.vividsolutions.jts.geom.Point;

public class RouteControlPanel extends JPanel implements SingletonWindow,

                ActionListener, IFlagListener {

        WindowInfo wi;

        private JPanel westPanel = null;

        private JScrollPane scrlStages = null;

        private JTable tblStages = null;

        private GridBagLayoutPanel eastPanel = null;

        private MyTableModel tableModel = new MyTableModel(); // @jve:decl-index=0:visual-constraint=""

        private JButton btnLoadStage = null;

        private JButton btnSaveStage = null;

        private Network network;

        private ArrayList routeFlags;

        private JLabel lblCost;

        private JLabel lblFlagAmout;

        private JButton btnPullDownStage;

        private JButton btnPushUpStage;

        private JButton btnRemoveStage;

        private JPanel southPanel;

        private final String[] colName = new String[] {

                        PluginServices.getText(this, "enable"),

                        PluginServices.getText(this, "stage"),

                        PluginServices.getText(this, "cost"), };

        private JButton btnCenterOnFlag;

        private JButton btnSaveRoute;

        private MapControl mapCtrl;

        private class MyTableModel extends AbstractTableModel {

                public int getColumnCount() {

                        return 3;

                }

                public int getRowCount() {

                        return _getFlags().size();

                }

                public Object getValueAt(int rowIndex, int columnIndex) {

                        GvFlag flag = (GvFlag) _getFlags().get(rowIndex);

                        switch (columnIndex) {

                        case 0:

                                return new Boolean(flag.isEnabled());

                        case 1:

                                return flag.getDescription();

                        case 2:

                                return new Double(flag.getCost());

                        }

                        return null;

                }

                public Class getColumnClass(int columnIndex) {

                        switch (columnIndex)

                        {

                        case 0:

                                return Boolean.class;

                        case 1:

                                return String.class;

                        case 2:

                                return Double.class;

                        }

                        return super.getColumnClass(columnIndex);

                }

                public String getColumnName(int column) {

                        return colName[column];

                }

                public boolean isCellEditable(int rowIndex, int columnIndex) {

                        if (columnIndex == 2)

                                return false;

                        return true;

                }

                public void setValueAt(Object aValue, int rowIndex, int columnIndex) {

                        GvFlag flag = (GvFlag) _getFlags().get(rowIndex);

                        switch (columnIndex)

                        {

                        case 0:

                                Boolean bAux = (Boolean) aValue;

                                flag.setEnabled(bAux.booleanValue());

                                PluginServices.getMainFrame().enableControls();

                                return;

                        case 1:

                                String strAux = (String) aValue;

                                flag.setDescription(strAux);

                                return;

//                        case 2: // No es editable

//                                Double dblAux = (Double) aValue;

//                                flag.setCost(dblAux.doubleValue());

//                                return;

                        }

                }

        }

        /**

         * This method initializes

         *

         */

        public RouteControlPanel(Network network) {

                super();

                this.network = network;

//                GvFlag[] flags = network.getFlags();

//                List vflags = _getFlags();

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

//                        vflags.add(flags[i]);

//                }

                initialize();

        }

        /**

         * Method to remove all flags (use

         * */

        public void refresh(){

//                GvFlag[] flags = network.getFlags();

//                List vflags = _getFlags();

//                List tempFlags = Arrays.asList(flags);

//                vflags.addAll(tempFlags);

                lblFlagAmout.setText(String.valueOf(_getFlags()

                                .size()));

                updateTotalCost();

                getTblStages().revalidate();

                System.out.println("Actualizo tabla");

        }

        private void processLayer(FLayer layer) {

                if (layer.isActive()) {

                        if (layer instanceof FLyrVect) {

                                Network net = (Network) layer

                                                .getProperty("network");

                                if (net != null) {

                                        network = net;

                                        network.addFlagListener(this);

                                        refresh();

                                }// if

                        }// if

                }// if

        }

        public void setMapControl(MapControl mapCtrl, Network net) {

                if (mapCtrl != null) {

                        this.mapCtrl = mapCtrl;

                        LayerListenerAdapter listener = new LayerListenerAdapter() {

                                public void activationChanged(LayerEvent e) {

                                        processLayer(e.getSource());

                                }

                        };

                        mapCtrl.getMapContext().getLayers().addLayerListener(listener);

                        mapCtrl.getMapContext().getLayers().addLayerCollectionListener(

                                        listener);

                        if (net != null) {

                                network = net;

                                network.addFlagListener(this);

                        }

                }

        }

        public RouteControlPanel() {

                super();

                initialize();

        }

        public void setCostUnits(String unitsName) {

                colName[2] = unitsName;

                getTblStages().repaint();

        }

        /**

         * This method initializes this

         *

         */

        private void initialize() {

                BorderLayout borderLayout = new BorderLayout();

                borderLayout.setHgap(10);

                borderLayout.setVgap(10);

                JPanel cont = new JPanel(borderLayout);

//                cont.setPreferredSize(new Dimension(490, 320));

                this.setPreferredSize(new Dimension(460, 280));

                cont.add(getWestPanel(), BorderLayout.CENTER);

                cont.add(getEastPanel(), BorderLayout.EAST);

                cont.add(getSouthPanel(), BorderLayout.SOUTH);

                this.setLayout(new FlowLayout(FlowLayout.LEADING, 10, 10));

                this.add(cont);

                updateFlags();

        }

        private void updateFlags() {

                lblFlagAmout.setText(String.valueOf(_getFlags().size()));

                updateTotalCost();

                getTblStages().repaint();

        }

        private JPanel getSouthPanel() {

                if (southPanel == null) {

                        southPanel = new JPanel(new FlowLayout(FlowLayout.LEADING));

                        southPanel.add(getBtnRemoveStage());

                        southPanel.add(new JBlank(50, 20));

                        southPanel.add(getBtnPushUpStage());

                        southPanel.add(getBtnPullDownStage());

                        southPanel.add(new JLabel(PluginServices.getText(this,

                                        "flag_amount")));

                        lblFlagAmout = new JLabel();

                        lblFlagAmout.setFont(lblFlagAmout.getFont().deriveFont(Font.BOLD));

                        southPanel.add(lblFlagAmout);

                }

                return southPanel;

        }

        public Object getWindowModel() {

                return this.getClass();

        }

        public WindowInfo getWindowInfo() {

                if (wi == null) {

                        wi = new WindowInfo(WindowInfo.MODELESSDIALOG

                                    | WindowInfo.MAXIMIZABLE

                                        | WindowInfo.ICONIFIABLE | WindowInfo.PALETTE);

                        wi.setWidth((int) this.getPreferredSize().getWidth());

                        wi.setHeight((int) this.getPreferredSize().getHeight());

                        wi.setTitle(PluginServices.getText(this, "route_control_panel"));

                }

                return wi;

        }

        /**

         * This method initializes westPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getWestPanel() {

                if (westPanel == null) {

                        westPanel = new JPanel(new BorderLayout(5, 5));

                        lblCost = new JLabel();

                        lblCost.setFont(lblCost.getFont().deriveFont(Font.BOLD));

                        GridBagLayoutPanel aux = new GridBagLayoutPanel();

                        aux.addComponent(PluginServices.getText(this, "total_route_cost")

                                        + ":", lblCost);

                        aux.addComponent(getScrlStages());

                        westPanel.add(aux);

                }

                return westPanel;

        }

        private JButton getBtnPullDownStage() {

                if (btnPullDownStage == null) {

                        btnPullDownStage = new JButton(new ImageIcon(this.getClass()

                                        .getClassLoader().getResource("images/down-arrow.png")));

                        // btnPullDownStage.setName("btnPullDownStage");

                        btnPullDownStage.addActionListener(this);

                }

                return btnPullDownStage;

        }

        private JButton getBtnPushUpStage() {

                if (btnPushUpStage == null) {

                        btnPushUpStage = new JButton(new ImageIcon(this.getClass()

                                        .getClassLoader().getResource("images/up-arrow.png")));

                        // btnPushUpStage.setName("btnPushUpStage");

                        btnPushUpStage.addActionListener(this);

                }

                return btnPushUpStage;

        }

        private JButton getBtnRemoveStage() {

                if (btnRemoveStage == null) {

                        btnRemoveStage = new JButton(new ImageIcon(this.getClass()

                                        .getClassLoader().getResource("images/delete.png")));

                        // btnRemoveStage.setName("btnRemoveStage");

                        btnRemoveStage.addActionListener(this);

                }

                return btnRemoveStage;

        }

        /**

         * This method initializes scrlStages

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getScrlStages() {

                if (scrlStages == null) {

                        scrlStages = new JScrollPane();

                        scrlStages.setViewportView(getTblStages());

                        scrlStages.setPreferredSize(new Dimension(270, 200));

                }

                return scrlStages;

        }

        /**

         * @deprecated

         * @param flag

         */

        public void addFlag(GvFlag flag) {

                _getFlags().add(flag);

                lblFlagAmout.setText(String.valueOf(_getFlags().size()));

                updateTotalCost();

                getTblStages().repaint();

        }

        private void updateTotalCost() {

                GvFlag[] flags = getFlags();

                double cost = 0;

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

                        if (!flags[i].isEnabled())

                                continue;

                        if (flags[i].getCost() >= Double.MAX_VALUE)

                        {

                                lblCost.setText(PluginServices.getText(this, "no_se_puede_pasar_por_todas_las_paradas"));

                                return;

                        }

                        if (flags[i].getCost() < 0)

                        {

                                lblCost.setText(PluginServices.getText(this, "solucion_no_valida"));

                                return;

                        }

                        cost += flags[i].getCost();

                }

                NumberFormat nf = NumberFormat.getInstance();

                nf.setMaximumFractionDigits(2);

                lblCost.setText(nf.format(cost) + getCostUnitName());

        }

        private String getCostUnitName() {

                if (colName[2].equals(PluginServices.getText(this, "cost")))

                        return "";

                return colName[2];

        }

        public void removeFlag(GvFlag flag) {

                removeFlag(_getFlags().indexOf(flag));

        }

        public void removeFlag(int index) {

                _getFlags().remove(index);

                lblFlagAmout.setText(String.valueOf(_getFlags().size()));

                getTblStages().repaint();

        }

        /**

         * This method initializes tblStages

         *

         * @return javax.swing.JTable

         */

        private JTable getTblStages() {

                if (tblStages == null) {

                        tblStages = new JTable();

                        tblStages

                                        .setAutoResizeMode(javax.swing.JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS);

                        tblStages.setModel(getTableModel());

                        TableColumnModel cm = tblStages.getColumnModel();

                        int tablePreferredWidth = (int) tblStages.getPreferredSize()

                                        .getWidth();

                        int colSize = tblStages.getFontMetrics(tblStages.getFont())

                                        .stringWidth(tblStages.getModel().getColumnName(0)) * 2;

                        cm.getColumn(0).setPreferredWidth((int) (colSize));

                        cm.getColumn(0).setMinWidth((int) (colSize));

                        cm.getColumn(0).setMaxWidth((int) (colSize));

                        tablePreferredWidth -= colSize;

                        cm.getColumn(1)

                                        .setPreferredWidth((int) (tablePreferredWidth * 0.7));

                        cm.getColumn(2)

                                        .setPreferredWidth((int) (tablePreferredWidth * 0.3));

                        // Ask to be notified of selection changes.

                        ListSelectionModel rowSM = tblStages.getSelectionModel();

                        rowSM.addListSelectionListener(new ListSelectionListener() {

                            public void valueChanged(ListSelectionEvent e) {

                                //Ignore extra messages.

                                if (e.getValueIsAdjusting()) return;

                                ListSelectionModel lsm =

                                    (ListSelectionModel)e.getSource();

                                getBtnCenterOnFlag().setEnabled(!lsm.isSelectionEmpty());

                            }

                        });

                        tblStages.getModel().addTableModelListener(new TableModelListener() {

                                public void tableChanged(TableModelEvent e) {

                                        System.out.println("Table model changed");

                                }

                        });

                }

                return tblStages;

        }

        protected int getFlagCount() {

                return _getFlags().size();

        }

        private List _getFlags() {

//                if (routeFlags == null) {

//                        routeFlags = new ArrayList();

//                }

//                return routeFlags;

                return network.getOriginaFlags();

        }

        protected boolean isSelected(int row) {

                return ((GvFlag) _getFlags().get(row)).isEnabled();

        }

        /**

         * This method initializes eastPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getEastPanel() {

                if (eastPanel == null) {

                        GridLayout layout = new GridLayout();

                        layout.setColumns(1);

                        layout.setVgap(5);

                        JPanel aux = new JPanel();

                        aux.add(getBtnLoadStage());

                        aux.add(getBtnSaveStage());

                        aux.add(getBtnSaveRoute());

                        aux.add(getBtnCenterOnFlag());

                        layout.setRows(aux.getComponentCount());

                        aux.setLayout(layout);

                        eastPanel = new GridBagLayoutPanel();

                        eastPanel.addComponent(aux);

                }

                return eastPanel;

        }

        private JButton getBtnCenterOnFlag() {

                if (btnCenterOnFlag == null) {

                        btnCenterOnFlag = new JButton();

                        btnCenterOnFlag.setText(PluginServices.getText(this,

                                        "center_on_flag"));

                        btnCenterOnFlag.setEnabled(false);

                        btnCenterOnFlag.addActionListener(this);

                }

                return btnCenterOnFlag;

        }

        private JButton getBtnSaveRoute() {

                if (btnSaveRoute == null) {

                        btnSaveRoute = new JButton();

                        btnSaveRoute.setText(PluginServices.getText(this, "save_route"));

                        btnSaveRoute.addActionListener(this);

                }

                return btnSaveRoute;

        }

        /**

         * This method initializes defaultTableModel

         *

         * @return javax.swing.table.DefaultTableModel

         */

        private TableModel getTableModel() {

                return tableModel;

        }

        /**

         * This method initializes btnLoadStage

         *

         * @return javax.swing.JButton

         */

        private JButton getBtnLoadStage() {

                if (btnLoadStage == null) {

                        btnLoadStage = new JButton();

                        btnLoadStage.setText(PluginServices.getText(this, "load_stages"));

                        btnLoadStage.addActionListener(this);

                }

                return btnLoadStage;

        }

        /**

         * This method initializes btnSaveStages

         *

         * @return javax.swing.JButton

         */

        private JButton getBtnSaveStage() {

                if (btnSaveStage == null) {

                        btnSaveStage = new JButton();

                        btnSaveStage.setText(PluginServices.getText(this, "save_stages"));

                        btnSaveStage.addActionListener(this);

                }

                return btnSaveStage;

        }

        class FormatSelectionPanel extends JPanel implements IWindow {

                JComboBox formats;

                WindowInfo wi = null;

                public FormatSelectionPanel(String introductoryText) {

                        super(new BorderLayout());

                        String[] formatos = { "SHP", "DXF", "POSTGIS", "GML" };

                        formats = new JComboBox(formatos);

                        GridBagLayoutPanel contentPanel =

                                new GridBagLayoutPanel();

                        contentPanel.addComponent(new JLabel(introductoryText));

                        contentPanel.addComponent(formats);

                        JButton okButton = new JButton(PluginServices.getText(null,

                                        "Aceptar"));

                        okButton.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent arg0) {

                                        close();

                                }

                        });

                        contentPanel.addComponent(okButton);

                        add(contentPanel);

                }

                void close() {

                        PluginServices.getMDIManager().closeWindow(this);

                }

                public String getSelectedFormat() {

                        return (String) formats.getSelectedItem();

                }

                public WindowInfo getWindowInfo() {

                        if (wi == null) {

                                wi = new WindowInfo(WindowInfo.MODALDIALOG | WindowInfo.PALETTE);

                                wi.setTitle(PluginServices

                                                .getText(null, "Seleccion_de_formato"));// Internacionalizar

                                                                                                                                // esto

                                wi.setWidth(300);

                                wi.setHeight(55);

                        }

                        return wi;

                }

        }

        public void actionPerformed(ActionEvent e) {

                Component c = (Component) e.getSource();

                if (c.equals(getBtnLoadStage())) {

                        loadStages();

                } else if (c.equals(getBtnSaveStage())) {

                        saveStage();

                } else if (c.equals(getBtnPushUpStage())) {

                        int[] selected = tblStages.getSelectedRows();

                        if (selected.length == 0 || selected[0] == 0)

                                return;

                        tblStages.clearSelection();

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

                                Object aux = _getFlags().get(selected[i] - 1);

                                _getFlags().set(selected[i] - 1, _getFlags().get(selected[i]));

                                _getFlags().set(selected[i], aux);

                                selected[i]--;

                                tblStages.addRowSelectionInterval(selected[i], selected[i]);

                        }

                        invalidateSolution();

                } else if (c.equals(getBtnPullDownStage())) {

                        // pull down

                        int[] selected = tblStages.getSelectedRows();

                        if (selected.length == 0

                                        || selected[selected.length - 1] >= _getFlags().size() - 1)

                                return;

                        // move rows

                        tblStages.clearSelection();

                        for (int i = selected.length - 1; i >= 0; i--) {

                                Object aux = _getFlags().get(selected[i] + 1);

                                _getFlags().set(selected[i] + 1, _getFlags().get(selected[i]));

                                _getFlags().set(selected[i], aux);

                                selected[i]++;

                                tblStages.addRowSelectionInterval(selected[i], selected[i]);

                        }

                        invalidateSolution();

                } else if (c.equals(getBtnRemoveStage())) {

                        removeStage();

                } else if (c.equals(getBtnSaveRoute())) {

                        saveRoute();

                } else if (c.equals(getBtnCenterOnFlag())) {

                        // Center on first selected flag.

                        int[] selected = tblStages.getSelectedRows();

                        if (selected.length == 0)

                                return;

                        GvFlag flag = (GvFlag) _getFlags().get(selected[0]);

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

                        if(! (window instanceof IView))

                                return;

                        IView view = (IView) window;

                        ViewPort vp = view.getMapControl().getViewPort();

                        Rectangle2D extent = vp.getAdjustedExtent();

                        double xNC = flag.getOriginalPoint().getX();

                        double yNC = flag.getOriginalPoint().getY();

                        double width = extent.getWidth();

                        double height = extent.getHeight();

                        Rectangle2D.Double r = new Rectangle2D.Double();

                        r.width = width;

                        r.height = height;

                        r.x = xNC - width/2;

                        r.y = yNC - height/2;

                        vp.setExtent(r);

                }

                repaint();

        }

        private void invalidateSolution() {

                for (int i=0; i < _getFlags().size(); i++)

                {

                        GvFlag flag = (GvFlag) _getFlags().get(i);

                        flag.setCost(-1.0);

                }

                updateTotalCost();

        }

        private void saveStage(){

                if(network == null){

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

                        if(! (window instanceof IView))

                                return;

                        IView view = (View) window;

                        MapControl mapControl = view.getMapControl();

                        MapContext map = mapControl.getMapContext();

                        FLayers layers = map.getLayers();

                        SingleLayerIterator it = new SingleLayerIterator(layers);

                        while (it.hasNext() && network == null) {

                                FLayer aux = it.next();

                                if (!aux.isActive())

                                        continue;

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

                        }

                }

                if (network == null)

                        return;

                List features = new ArrayList();

                GvFlag[] flags = network.getFlags();

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

                        GvFlag flag = flags[i];

                        // Solo se guardan los flags habilitados

                        if (!flag.isEnabled())

                                continue;

                        FPoint2D point = new FPoint2D(flag.getOriginalPoint());

                        Value[] values = new Value[6];

                        values[GvFlag.ID_FLAG_INDEX] = ValueFactory.createValue(flag.getIdFlag());

                        values[GvFlag.ID_ARC_INDEX] = ValueFactory.createValue(flag.getIdArc());

                        values[GvFlag.DESCRIPTION_INDEX] = ValueFactory.createValue(flag.getDescription());

                        values[GvFlag.DIREC_INDEX] = ValueFactory.createValue(flag.getDirec());

                        values[GvFlag.PCT_INDEX] = ValueFactory.createValue(flag.getPct());

                        values[GvFlag.COST_INDEX] = ValueFactory.createValue(flag.getCost());

                        IGeometry geo = ShapeFactory.createPoint2D(point);

                        DefaultFeature feature = new DefaultFeature(geo, values, new Integer(flag.getIdFlag()).toString() );

                        features.add(feature);

                }

                FlagsMemoryDriver driver = new FlagsMemoryDriver(features);

                IProjection projection = FOpenDialog.getLastProjection();

                FLyrVect routeLayer = (FLyrVect) LayerFactory.createLayer("Flags",

                                driver, projection);

                FormatSelectionPanel selectionPanel =

                        new FormatSelectionPanel(PluginServices.

                                        getText(null,

                                "Seleccione_un_formato_para_guardar_los_flags"));

                PluginServices.getMDIManager().addWindow(selectionPanel);

                String format = selectionPanel.getSelectedFormat();

                com.iver.cit.gvsig.ExportTo export = new com.iver.cit.gvsig.ExportTo();

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

                if(! (window instanceof IView))

                        return;

                IView view = (View) window;

                MapControl mapControl = view.getMapControl();

                MapContext context = mapControl.getMapContext();

                try {

                        if (format.equalsIgnoreCase("SHP")) {

                                export.saveToShp(context, routeLayer);

                        } else if (format.equalsIgnoreCase("DXF")) {

                                export.saveToDxf(context, routeLayer);

                        } else if (format.equalsIgnoreCase("GML")) {

                                export.saveToGml(context, routeLayer);

                        } else if (format.equalsIgnoreCase("POSTGIS")) {

                                export.saveToPostGIS(context, routeLayer);

                        }

                } catch (EditionException e1) {