Application: gvSIG desktop » gvSIG raster

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

 *

 * Copyright (C) 2007 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.

 */

package org.gvsig.raster.tools.app.basic.tool.infobypoint;

import javax.swing.Icon;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.view.ViewDocument;

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

import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;

import org.gvsig.app.project.documents.view.toc.ITocItem;

import org.gvsig.fmap.mapcontext.MapContext;

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

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

import org.gvsig.i18n.Messages;

import org.gvsig.raster.fmap.layers.FLyrRaster;

import org.gvsig.raster.mainplugin.toolbar.IGenericToolBarMenuItem;

import org.gvsig.raster.tools.app.basic.RasterToolsUtil;

/**

 * Entry point to the InfoByRasterPoint tool

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class InfoByRasterPointTocMenuEntry extends AbstractTocContextMenuAction implements IGenericToolBarMenuItem {

        static private InfoByRasterPointTocMenuEntry singleton  = null;

        private Extension                            extension  = null;

        /**

         * Nadie puede crear una instancia a esta clase ?nica, hay que usar el

         * getSingleton()

         */

        private InfoByRasterPointTocMenuEntry() {

                extension = new InfoByRasterPointExtension();

                extension.initialize();

        }

        /**

         * Assigns the extension to be executed

         * @param ext

         */

        public void setExtension(Extension ext) {

                this.extension = ext;

        }

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public InfoByRasterPointTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new InfoByRasterPointTocMenuEntry();

                return singleton;

        }

        public String getGroup() {

                return "RasterLayer";

        }

        public int getGroupOrder() {

                return 10;

        }

        public int getOrder() {

                return 50;

        }

        public String getText() {

                return Messages.getText("infobypoint");

        }

        @SuppressWarnings("deprecation")

        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {

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

                if (f == null)

                        return false;

                if (f instanceof AbstractViewPanel) {

                        AbstractViewPanel vista = (AbstractViewPanel) f;

                        ViewDocument model = vista.getModel();

                        MapContext mapa = model.getMapContext();

                        FLayers layers = mapa.getLayers();

                        for (int i = 0; i < layers.getLayersCount(); i++)

                                if (layers.getLayer(i) instanceof FLyrRaster && layers.getLayer(i).isActive())

                                        return true;

                }

                return false;

        }

        public boolean isVisible(ITocItem item, FLayer[] selectedItems) {

                return true;

        }

        public void execute(ITocItem item, FLayer[] selectedItems) {

                extension.execute("INFO_BY_PIXEL");

        }

        public Icon getIcon() {

                return RasterToolsUtil.getIcon("layer-info-by-pixel");

        }

}