| gvSIG desktop 1

/*

 * Created on 31-may-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

/* 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 org.gvsig.app.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.view.gui.DefaultViewPanel;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.tools.exception.BaseException;

/**

 * Extensi?n de zoom a lo seleccionado teniendo como ventana activa una vista.

 * 

 * @author Vicente Caballero Navarro

 */

public class ZoomToSelectExtension extends Extension {

        /**

         * @see com.iver.mdiApp.plugins.IExtension#updateUI(java.lang.String)

         */

        public void execute(String s) {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                         .getActiveWindow();

                MapContext mapa = null;

                Envelope selectedExtent = null;

                if (f instanceof DefaultViewPanel) {

                        DefaultViewPanel vista = (DefaultViewPanel)f;

                        mapa = vista.getModel().getMapContext();

                }

                try {

                        selectedExtent = mapa.getSelectionBounds();

                        mapa.getViewPort().setEnvelope(selectedExtent);

                } catch (BaseException e) {

                        NotificationManager.addError(e);

                }

                //if (selectedExtent != null) {

                        //Envelope env=new DefaultEnvelope(2,new double[]{selectedExtent.getX(),selectedExtent.getY()},new double[]{selectedExtent.getMaxX(),selectedExtent.getMaxY()});

                        //((ProjectDocument) vista.getModel()).setModified(true);

                //}

        }

        /**

         * @see com.iver.mdiApp.plugins.IExtension#isVisible()

         */

        public boolean isVisible() {

                org.gvsig.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager().getActiveWindow();

                if (window != null && window instanceof DefaultViewPanel) {

                        MapContext mapa = ((DefaultViewPanel) window).getModel().getMapContext();

                        return mapa.getLayers().getLayersCount() > 0;

                }

                return false;

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#isEnabled()

         */

        public boolean isEnabled() {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                         .getActiveWindow();

                if (f == null) {

                        return false;

                }

                if (f instanceof DefaultViewPanel) {

                        DefaultViewPanel view = (DefaultViewPanel) f;

                        FLayer[] selected = view.getModel().getMapContext().getLayers().getActives();

                        if (selected.length == 1 && selected[0] instanceof FLyrVect && selected[0].isAvailable()){

                                try {

                                        if (!((FLyrVect) selected[0]).getFeatureStore()

                                                        .getFeatureSelection().isEmpty()) {

                                                return true;

                                        }

                                } catch (DataException e) {

                                        NotificationManager.addError(e);

                                        return false;

                                }

                        }

        }

                return false;

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#initialize()

         */

        public void initialize() {

                   IconThemeHelper.registerIcon("action", "view-navigation-zoom-to-selection", this);

        }

}