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.analysisview;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import javax.swing.Icon;

import javax.swing.JOptionPane;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.ui.mdiManager.IWindow;

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

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.exceptions.LoadLayerException;

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

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

import org.gvsig.fmap.mapcontrol.MapControl;

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

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

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

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

import org.gvsig.raster.swing.RasterSwingLibrary;

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

import org.gvsig.raster.tools.app.basic.tool.pixelincrease.PixelIncreaseDialog;

/**

 * Herramienta del men? contextual que carga el raster en el localizador para tener una visi?n general de

 * esta y carga el zoom del cursor para tener una selecci?n de precisi?n.

 *

 * 16-jun-2007

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

 */

public class ViewRasterAnalysisTocMenuEntry extends AbstractTocContextMenuAction implements PropertyChangeListener, IGenericToolBarMenuItem {

        private boolean onView = false;

        private String rasterNameInLoc = "";

        static private ViewRasterAnalysisTocMenuEntry singleton = null;

        /**

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

         * getSingleton()

         */

        private ViewRasterAnalysisTocMenuEntry() {}

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public ViewRasterAnalysisTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new ViewRasterAnalysisTocMenuEntry();

                return singleton;

        }

        public String getGroup() {

                return "RasterLayer";

        }

        public int getGroupOrder() {

                return 10;

        }

        public int getOrder() {

                return 80;

        }

        public String getText() {

                if (!onView)

                        return RasterToolsUtil.getText(this, "analysisview");

                else

                        return RasterToolsUtil.getText(this, "closeanalysisview");

        }

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

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (!(selectedItems[0] instanceof ILayerState))

                        return false;

                if (!((ILayerState) selectedItems[0]).isOpen())

                        return false;

                return true;

        }

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

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (!(selectedItems[0] instanceof FLyrRaster))

                        return false;

                return true;

        }

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

                MapControl mcCurrentLoc = null;

                List<MapOverview> mapControlListLoc = new ArrayList<MapOverview>();

                IWindow[] w = PluginServices.getMDIManager().getAllWindows();

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

                FLayer lyr = selectedItems[0];

                // Cerramos cualquier inspector de pixeles anterior que est? abierto y

                // obtenemos el mapcontrol del localizador

                for (int i = 0; i < w.length; i++) {

                        if (w[i] instanceof PixelIncreaseDialog)

                                RasterToolsUtil.closeWindow(w[i]);

                        if (w[i] instanceof AbstractViewPanel && w[i].equals(activeWindow))

                                mcCurrentLoc = ((AbstractViewPanel) w[i]).getMapOverview();

                        if (w[i] instanceof AbstractViewPanel)

                                mapControlListLoc.add(((AbstractViewPanel) w[i]).getMapOverview());

                }

                if (!onView) {

                        // Abrimos el inspector de pixeles

                        PixelIncreaseDialog pIncrease = new PixelIncreaseDialog();

                        RasterToolsUtil.addWindow(pIncrease);

                        // Cargamos el raster en el localizador

                        mcCurrentLoc.getMapContext().beginAtomicEvent();

                        String path = null;

                        if (lyr instanceof FLyrRaster)

                                path = ((FLyrRaster) lyr).getURI().getPath();

                        try {

                                File f = new File(path);

                                if(!f.exists()) {

                                        RasterSwingLibrary.messageBoxError("error_file_not_found", PluginServices.getMDIManager().getActiveWindow());

                                        return;

                                }

                                lyr = DefaultFLyrRaster.createLayer(lyr.getName(), f);

                                rasterNameInLoc = lyr.getName();

                                mcCurrentLoc.getMapContext().getLayers().addLayer(lyr);

                        } catch (LoadLayerException e) {

                                JOptionPane.showMessageDialog(null, RasterToolsUtil.getText(this, "coordenadas_erroneas"));

                        }

                        mcCurrentLoc.getMapContext().endAtomicEvent();

                } else {

                        for (int nViews = 0; nViews < mapControlListLoc.size(); nViews++) {

                                MapControl mc = ((MapControl) mapControlListLoc.get(nViews));

                                FLayers lyrs = mc.getMapContext().getLayers();

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

                                        if (lyrs.getLayer(i).getName().compareTo(rasterNameInLoc) == 0)

                                                lyrs.removeLayer(i);

                                }

                                if (mc instanceof MapOverview)

                                        ((MapOverview) mc).refreshExtent();

                        }

                }

                onView = !onView;

        }

        public Icon getIcon() {

                return RasterToolsUtil.getIcon("view-raster-analysis");

        }

        public void propertyChange(PropertyChangeEvent evt) {}

        public boolean isEnableEvents() {

                return true;

        }

}