Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

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

import java.io.File;

import java.net.URI;

import java.util.ArrayList;

import java.util.List;

import javax.swing.Icon;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

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

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.dal.coverage.exception.GridException;

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

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

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

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.RasterSwingLocator;

import org.gvsig.raster.swing.roi.ROIPanel;

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

import org.gvsig.raster.tools.app.basic.tool.roi.ui.ROIWindow;

import org.gvsig.raster.tools.app.basic.tool.roi.ui.listener.ROIPanelListener;

import org.gvsig.raster.tools.app.basic.tool.roi.ui.listener.ROIsTablePanelListener;

/**

 * Punto de entrada del menu del gestor de ROIs.

 *

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es

 */

public class ROIManagerTocMenuEntry extends AbstractTocContextMenuAction implements IGenericToolBarMenuItem {

        static private ROIManagerTocMenuEntry singleton  = null;

        /**

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

         * getSingleton()

         */

        private ROIManagerTocMenuEntry() {}

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public ROIManagerTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new ROIManagerTocMenuEntry();

                return singleton;

        }

        public String getGroup() {

                return "RasterLayer";

        }

        public int getGroupOrder() {

                return 10;

        }

        public int getOrder() {

                return 60;

        }

        public String getText() {

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

        }

        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) {

                FLayer fLayer = null;

                if (selectedItems.length != 1)

                        return;

                fLayer = selectedItems[0];

                if (!(fLayer instanceof FLyrRaster))

                        return;

                ROIPanel panel = RasterSwingLocator.getSwingManager().createROIPanel();

                ROIDataModel dataModel = new ROIDataModel(getLFLyrVects());

                dataModel.setROIPanel(panel);

                ROIWindow window = new ROIWindow(panel.getComponent(), "ROI", 500, 265);

                try {

                        dataModel.setLayer(selectedItems[0]);

                } catch (GridException e) {

                }

                ROIPanelListener panelListener = new ROIPanelListener(window, dataModel);

                ROIsTablePanelListener tableListener = new ROIsTablePanelListener(panel, dataModel, window);

                tableListener.setPathToROI(getROIDefaultPath(fLayer));

                tableListener.setDefaultROIFileName(getDefaultROIFileName(fLayer));

                panel.addButtonsListener(tableListener, panelListener);

                panel.addTableListeners(tableListener, tableListener);

                window.addIWindowListener(panelListener);

                RasterToolsUtil.addWindow(window);

        }

        private String getDefaultROIFileName(FLayer fLayer) {

                return fLayer.getName() + "_ROI.shp";

        }

        private File getROIDefaultPath(FLayer layer) {

                File path = getROIPathFromLayer(layer);

                if(path != null)

                        return path;

                else

                        return getPathFromLayer(layer);

        }

        /**

         * Gets the path of the first provider

         * @param layer

         * @return

         */

        private File getPathFromLayer(FLayer layer) {

                if(!(layer instanceof FLyrRaster))

                        return null;

                URI[] uriList = ((FLyrRaster)layer).getDataStore().getURIByProvider();

                if(uriList != null && uriList.length > 0) {

                    URI uri = uriList[0];

                    return new File(uri).getParentFile();

                }

                return null;

        }

        /**

         * Gets the path of the first ROI file

         * @param layer

         * @return

         */

        private File getROIPathFromLayer(FLayer layer) {

                if(!(layer instanceof FLyrRaster))

                        return null;

                List<File> uriList = ((FLyrRaster)layer).getDataStore().getROIFileListFromRmf();

                if(uriList != null && uriList.size() > 0) {

                        String path = uriList.get(0).getAbsolutePath();

                        String uri = path.substring(0, path.lastIndexOf(File.separator));

                        if(uri != null)

                                return new File(uri);

                }

                return null;

        }

        /**

         * Gets the list of vectorial layers loaded in all views

         * @return

         */

        public List<FLyrVect> getLFLyrVects() {

                List<FLyrVect> list = new ArrayList<FLyrVect>();

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

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

                        if(w[i] instanceof AbstractViewPanel) {

                                FLayers lys = ((AbstractViewPanel)w[i]).getMapControl().getMapContext().getLayers();

                                for (int j = 0; j < lys.getLayersCount(); j++) {

                                        if(lys.getLayer(j) instanceof FLyrVect)

                                                list.add((FLyrVect)lys.getLayer(j));

                                }

                        }

                }

                return list;

        }

        public Icon getIcon() {

                return IconThemeHelper.getImageIcon("layer-modify-roi");

        }

}