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 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.GvModifiedCost;

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

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

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

public class ClearBarriersExtension extends Extension {

        public void initialize() {

                // TODO Auto-generated method stub

        }

        public void execute(String actionCommand) {

                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)

                                {

                                        if (actionCommand.equalsIgnoreCase("CLEAR_BARRIERS"))

                                        {

                                                if (net.getModifiedCosts().size() > 0)

                                                {

                                                        for (int i=net.getModifiedCosts().size()-1; i >=0; i--)

                                                        {

                                                                GvModifiedCost barrier = (GvModifiedCost) net.getModifiedCosts().get(i);

                                                                net.removeModifiedCost(barrier);

                                                        }

                                                        NetworkUtils.clearBarriersFromGraphics(mapCtrl);

                                                        mapCtrl.drawMap(false);

                                                }

                                        }

                                }

                        }

                }

        }

        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)

                                {

                                        // TODO:

                                        // if (net.getModifiedCosts().length > 0)

                                        {

                                                return true;

                                        }

                                }

                        }

                }

                return false;

        }

        public boolean isVisible() {

                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;

        }

}