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.reproject.app;

import java.awt.Component;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.util.HashMap;

import javax.swing.JOptionPane;

import org.cresques.cts.IProjection;

import org.gvsig.andami.PluginServices;

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

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

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

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

import org.gvsig.i18n.Messages;

import org.gvsig.raster.algorithm.RasterBaseAlgorithmLibrary;

import org.gvsig.raster.algorithm.process.IProcessActions;

import org.gvsig.raster.algorithm.process.ProcessException;

import org.gvsig.raster.algorithm.process.RasterProcess;

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

import org.gvsig.raster.reproject.algorithm.ReprojectProcess;

import org.gvsig.raster.reproject.algorithm.swing.api.RasterReprojectionPanel;

import org.gvsig.raster.reproject.algorithm.swing.api.ReprojectionPanelDataModel;

import org.gvsig.raster.tools.algorithm.swing.reproject.RasterReprojectPanel;

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

import org.gvsig.raster.tools.app.basic.raster.bean.endinfo.EndInfoDialog;

import org.gvsig.raster.util.RasterNotLoadException;

/**

 * Actions for the reprojection panel

 * 

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

 */

public class ReprojectListener implements ActionListener, IProcessActions {

        private RasterReprojectionPanel            reprojectPanel   = null;

        private FLayer                             lyr              = null;

        private ReprojectionPanelDataModel         dataModel        = null;

        private ReprojectWindow                    window           = null;

        public ReprojectListener(FLayer lyr, ReprojectionPanelDataModel dataModel, ReprojectWindow window, RasterReprojectionPanel reprojectPanel) {

                this.lyr = lyr;

                this.dataModel = dataModel;

                this.window = window;

                this.reprojectPanel = reprojectPanel;

        }

        public void actionPerformed(ActionEvent e) {

                if(reprojectPanel.getObjectSelected(e.getSource()) == RasterReprojectPanel.BUTTON_ACCEPT) {

                        double cellsize = dataModel.getCellSize();

                        int w = dataModel.getSize()[0];

                        int h = dataModel.getSize()[1];

                        IProjection srcPrj = dataModel.getSrcProjection();

                        IProjection dstPrj = dataModel.getDstProjection();

                        if(cellsize <= 0 || w <= 0 || h <= 0) {

                                messageBoxError("wrong_size");

                                return;

                        }

                        if(srcPrj == null || dstPrj == null) {

                                messageBoxError("wrong_projection");

                                return;

                        }

                        RasterProcess process;

                        try {

                                process = RasterBaseAlgorithmLibrary.getManager().createRasterTask("RasterReprojectionProcess");

                        } catch (ProcessException e1) {

                                messageBoxError("error_creating_algorithm");

                                return;

                        }

                        String path = getPath();

                        if(path == null)

                                return;

                        process.setActions(this);

                        process.addParam(ReprojectProcess.RASTER_STORE, ((FLyrRaster)lyr).getDataStore());

                        process.addParam(ReprojectProcess.SIZEX, w);

                        process.addParam(ReprojectProcess.SIZEY, h);

                        process.addParam(ReprojectProcess.PATH, path);

                        process.addParam(ReprojectProcess.SRC_PROJECTION, dataModel.getSrcProjection());

                        process.addParam(ReprojectProcess.DST_PROJECTION, dataModel.getDstProjection());

                        process.addParam(ReprojectProcess.CELLSIZE, dataModel.getCellSize());

                        process.addParam(ReprojectProcess.INTERPOLATION, dataModel.getInterpolationMethodSelected());

                        process.start();

                }

                if(reprojectPanel.getObjectSelected(e.getSource()) == RasterReprojectPanel.BUTTON_CANCEL) {

                        if(window != null) {

                                PluginServices.getMDIManager().closeWindow(window);

                                window = null;

                        }

                }

        }

        /**

         * Gets the path to the file

         * @return

         */

        private String getPath() {

                String file = reprojectPanel.getFileSelected();

                if(file == null || file.equals("") || !file.matches("[a-zA-Z0-9_]*")) {

                        messageBoxError(

                                        Messages.getText("file_name_not_valid") + 

                                        "\n" + file + "\n " + 

                                        Messages.getText("valid_characters") + 

                                        " a-zA-Z0-9_");

                        return null;

                }

                if(!file.endsWith(".tif"))

                        file += ".tif";

                String dir = reprojectPanel.getDirectorySelected();

                if(!new File(dir).exists()) {

                        messageBoxError("directory_does_not_exists");

                        return null;

                }

                if(new File(dir + File.separator + file).exists()) {

                        if(!RasterToolsUtil.messageBoxYesOrNot(

                                        Messages.getText("file_exists") + 

                                        "\n " + (dir + File.separator + file) + "\n " + 

                                        Messages.getText("overwrite"), null))

                        return null;

                }

                return (dir + File.separator + file);

        }

        /**

         * Shows an error dialog with a text and a accept button 

         * @param msg Message to show in the dialog

         * @param parentWindow Parent window

         */

        public static void messageBoxError(String msg) {

                String string = Messages.getText("accept");

                Object[] options = {string};

                JOptionPane.showOptionDialog((Component)PluginServices.getMainFrame(),

                                        "<html>" + Messages.getText(msg).replaceAll("\n", "<br>") + "</html>",

                                        Messages.getText("confirmacion"),

                                        JOptionPane.OK_OPTION,

                                        JOptionPane.ERROR_MESSAGE,

                                        null,

                                        options,

                                        string);

        }

        @SuppressWarnings("unchecked")

        public void end(Object params) {

                if(window != null) {

                        PluginServices.getMDIManager().closeWindow(window);

                        window = null;

                }

                if(params instanceof HashMap<?, ?>) {

                        HashMap<String, Object>  map = (HashMap<String, Object>) params;

                        String fName = (String)map.get(ReprojectProcess.FILENAME);

                        long milis = (Long)map.get(ReprojectProcess.TIME);

                        processFinalize(fName, milis);

                        EndInfoDialog.show(fName, milis);

                }

        }

        /**

         * Acciones que se realizan al finalizar de crear los recortes de imagen.

         * Este m?todo es llamado por el thread TailRasterProcess al finalizar.

         */

        private void processFinalize(String fileName, long milis) {

                if (!new File(fileName).exists())

                        return;

                String viewName = getViewName();

                if(viewName != null) {

                        if (RasterToolsUtil.messageBoxYesOrNot("cargar_toc", this)) {

                                try {

                                        RasterToolsUtil.loadLayer(viewName, fileName, null);

                                } catch (RasterNotLoadException e) {

                                        messageBoxError("error_load_layer");

                                }

                        }

                }

        }

        /**

         * Gets the view 

         * @return

         */

        private String getViewName() {

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

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

                        if(w[i] instanceof AbstractViewPanel) {

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

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

                                        FLayer lyr = lyrs.getLayer(j);

                                        if(this.lyr == lyr) {

                                                return PluginServices.getMDIManager().getWindowInfo((AbstractViewPanel) w[i]).getTitle();

                                        }

                                }

                        }

                }

                return null;

        }

        public void interrupted() {

        }

}