Application: gvSIG desktop

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

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional 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

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.crs;

import java.util.Arrays;

import java.util.Iterator;

import org.geotools.factory.FactoryRegistry;

import org.geotools.referencing.operation.MathTransformProvider;

import org.gvsig.about.AboutManager;

import org.gvsig.about.AboutParticipant;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.extension.About;

import org.gvsig.app.gui.panels.CRSSelectPanel;

import org.gvsig.app.gui.panels.FPanelAbout;

import org.gvsig.app.project.ProjectPreferences;

import org.gvsig.crs.gui.panels.CrsUIFactory;

import org.gvsig.crs.gui.panels.ProjChooserPanel;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.utils.XMLEntity;

public class JCrsExtension extends Extension {

        private static final String DEFAULT_PROJECTION_KEY_NAME = "DefaultProjection";

        private static final String FACTORY_DEFAULT_PROJECTION = "EPSG:23030";

        public void initialize() {

                /*

                 * Se eliminan del registro de geotools las proyecciones que aporta libJCrs para asegurar que

                 * son estas ?ltimas las que se utilizan.

                 */

                final Class[] categories = {org.geotools.referencing.operation.MathTransformProvider.class};

                FactoryRegistry registry = new FactoryRegistry(Arrays.asList(categories));

                Iterator providers = registry.getServiceProviders(MathTransformProvider.class);

                Iterator providers2 = null;

                MathTransformProvider provider = null;

                MathTransformProvider provider2 = null;

                while (providers.hasNext()){

                        provider = (MathTransformProvider) providers.next();

                        if(provider.nameMatches("IDR")){

                                providers2 = registry.getServiceProviders(MathTransformProvider.class);

                                while (providers2.hasNext()){

                                        provider2 = (MathTransformProvider) providers2.next();

                                        if(provider2.nameMatches(provider.getName().toString()) && !provider2.nameMatches("IDR")) {

                                                registry.deregisterServiceProvider(provider2, categories[0]);

                                        }

                                }

                        }

                }

                //TODO: Solo para depurar: BORRAR

                providers = registry.getServiceProviders(MathTransformProvider.class);

                while (providers.hasNext()) {

            provider = (MathTransformProvider) providers.next();

            System.out.println(provider.toString());

                }

                /*

                 *

                 */

                CRSFactory.cp = new CrsFactory();

                CRSSelectPanel.registerPanelClass(ProjChooserPanel.class);

                CRSSelectPanel.registerUIFactory(CrsUIFactory.class);

                //        Default Projection

                PluginServices ps = PluginServices.getPluginServices("org.gvsig.app");

                XMLEntity xml = ps.getPersistentXML();

                String projCode = null;

                if (xml.contains(DEFAULT_PROJECTION_KEY_NAME)) {

                        projCode = xml.getStringProperty(DEFAULT_PROJECTION_KEY_NAME);

                } else {

                        projCode = FACTORY_DEFAULT_PROJECTION;

                }

                ((ProjectPreferences) ApplicationLocator.getManager().getPreferences(

                                "project")).setDefaultProjection(CRSFactory.getCRS(projCode));

                addAboutInfo();

        }

        private void addAboutInfo() {

                ApplicationManager application = ApplicationLocator.getManager();

                AboutManager about = application.getAbout();

                about.addDeveloper(

                                "UCLM-IDR",

                                this.getClass().getClassLoader().getResource("about.html"),

                                1

                );

                AboutParticipant participant = about.getDeveloper("UCLM-IDR");

                participant.addContribution(

                        "jCRS",

                        "Extensi?n para el manejo de Sistemas de Referencia de Coordenadas", 

                        2006,1,1, 

                        2007,12,31

                );           

        }

        public void execute(String actionCommand) {

        }

        public boolean isEnabled() {

                return true;

        }

        public boolean isVisible() {

                return false;

        }

}