Application: gvSIG desktop

/*

 * Created on 10-abr-2006

 *

 * 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

 */

/* CVS MESSAGES:

*

* $Id:

* $Log:

*/

package org.gvsig.topology;

import java.util.HashMap;

import java.util.Map;

import org.gvsig.topology.project.documents.view.toc.actions.TopologyPropertiesTocMenuEntry;

import org.gvsig.topology.ui.util.GUIUtil;

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.LayersIterator;

import com.iver.cit.gvsig.project.documents.view.IProjectView;

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

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

import com.iver.utiles.swing.threads.TopologyValidationTask;

/**

 * Commands for a topology selected in the TOC.

 *

 * @author Alvaro Zabala

 *

 */

public class TopologyCommandsExtension extends Extension {

        public void execute(String actionCommand) {

                if(actionCommand.equalsIgnoreCase("SAVE_TOPOLOGY")){

                        com.iver.andami.ui.mdiManager.IWindow f =

                                PluginServices.getMDIManager().getActiveWindow();

                        View vista = (View) f;

                        IProjectView model = vista.getModel();

                        MapContext mapContext = model.getMapContext();

                        LayersIterator it = new LayersIterator(mapContext.getLayers());

                        while (it.hasNext())

                        {

                                FLayer aux = (FLayer) it.next();

                                if (!aux.isActive())

                                        continue;

                                if(aux instanceof Topology)

                                {

                                        Topology topology = (Topology) aux;

                                        String selectedFile = GUIUtil.getInstance().selectFile("xml", "xml", false);

                                        Map<String, Object> storageParams = new HashMap<String, Object>();

                                        storageParams.put(TopologyPersister.FILE_PARAM_NAME, selectedFile);

                                        //TODO Hacer la carga de la topologia en un ITask para no dejar la GUI

                                        //congelada. Adem?s, chequear que las capas que se referencian existen,

                                        //y si no est?n en el TOC se cargan

                                        TopologyPersister.persist(topology, storageParams);

                                        return;

                                }

                        }//while

                }else if(actionCommand.equalsIgnoreCase("EVALUATE_TOPOLOGY")){

                        com.iver.andami.ui.mdiManager.IWindow f =

                                PluginServices.getMDIManager().getActiveWindow();

                        View vista = (View) f;

                        IProjectView model = vista.getModel();

                        MapContext mapContext = model.getMapContext();

                        LayersIterator it = new LayersIterator(mapContext.getLayers());

                        while (it.hasNext())

                        {

                                FLayer aux = (FLayer) it.next();

                                if (!aux.isActive())

                                        continue;

                                if(aux instanceof Topology)

                                {

                                        Topology topology = (Topology) aux;

                                        PluginServices.cancelableBackgroundExecution(new TopologyValidationTask(topology, mapContext));

                                }

                        }//while

                }

        }

        public void initialize() {

                PluginServices.getIconTheme().registerDefault(

                                "save-topology",

                                this.getClass().getClassLoader().getResource("images/save-topology.png")

                );

                PluginServices.getIconTheme().registerDefault(

                                "evaluate-topology",

                                this.getClass().getClassLoader().getResource("images/evaluate-topology2.png")

                );

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

            extensionPoints.add("View_TocActions","TopologyProperties",new TopologyPropertiesTocMenuEntry());

        }

        public boolean isEnabled() {

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

                if (window instanceof View)

                {

                        View v = (View) window;

                MapControl mapCtrl = v.getMapControl();

                        MapContext map = mapCtrl.getMapContext();

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

                        while (it.hasNext())

                        {

                                FLayer aux = (FLayer) it.next();

                                if(! aux.isActive())

                                        continue;

                                if(aux instanceof Topology)

                                        return true;

                        }//while

                }//if

                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();

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

                        while (it.hasNext())

                        {

                                FLayer aux = (FLayer) it.next();

                                if(aux instanceof Topology)

                                        return true;

                        }//while

                }//if

                return false;

        }

}