OpenFolderPanel.java

/**
 * OrbisGIS is a java GIS application dedicated to research in GIScience.
 * OrbisGIS is developed by the GIS group of the DECIDE team of the 
 * Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
 *
 * The GIS group of the DECIDE team is located at :
 *
 * Laboratoire Lab-STICC – CNRS UMR 6285
 * Equipe DECIDE
 * UNIVERSITÉ DE BRETAGNE-SUD
 * Institut Universitaire de Technologie de Vannes
 * 8, Rue Montaigne - BP 561 56017 Vannes Cedex
 * 
 * OrbisGIS is distributed under GPL 3 license.
 *
 * Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
 * Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
 *
 * This file is part of OrbisGIS.
 *
 * OrbisGIS 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 3 of the License, or (at your option) any later
 * version.
 *
 * OrbisGIS 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
 * OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, please consult: <http://www.orbisgis.org/>
 * or contact directly:
 * info_at_ orbisgis.org
 */
package org.orbisgis.sif.components;

import org.orbisgis.sif.UIFactory;

import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import java.io.File;
import java.net.URL;

/**
 * This class handles the panel used to import the content of a folder in the
 * geocatalog
 *
 * @author Alexis Guéganno
 * @author Jean-Yves Martin
 */
public class OpenFolderPanel extends AbstractOpenPanel {

        public static final String FIELD_NAME = "folder";
        public static final String FILTER_NAME = "filter";

        public OpenFolderPanel(String id, String title) {
                super(id, title);
        }

        public FileFilter getSelectedFilter() {
                return getFileChooser().getFileFilter();
        }

        /**
         * This method validates the input selected in the panel. it returns a
         * message when a problem has been encountered, and null otherwise.
         *
         * @return
         */
        @Override
        public String validateInput() {
                File file = getSelectedFile();
                if (file == null) {
                        return UIFactory.getI18n().tr("sif.folderMustBeSelected");
                } else if (!file.exists()) {
                        return UIFactory.getI18n().tr("sif.folderMustExist");
                } else if (!file.isDirectory()) {
                        return UIFactory.getI18n().tr("sif.folderMustBeDirectory");
                } else {
                        return null;
                }
        }

        @Override
        public File getSelectedFile() {
            final JFileChooser fileChooser = getFileChooser();
            File selectedFile = fileChooser.getSelectedFile();
            if (selectedFile == null) {
                selectedFile = fileChooser.getCurrentDirectory();
            }
            return selectedFile;
        }

        @Override
        public boolean showFoldersOnly() {
                return true;
        }

        /**
         * Return the names of the fields in the FileChooser.
         *
         * @return
         */
        public String[] getFieldNames() {
                return new String[]{FIELD_NAME, FILTER_NAME};
        }

        public void setValue(String fieldName, String fieldValue) {
                if (fieldName.equals(FIELD_NAME)) {
                        String[] files = fieldValue.split("\\Q||\\E");
                        File[] selectedFiles = new File[files.length];
                        for (int i = 0; i < selectedFiles.length; i++) {
                                selectedFiles[i] = new File(files[i]);
                        }
                        getFileChooser().setSelectedFiles(selectedFiles);
                } else {
                        FileFilter[] filters = getFileChooser().getChoosableFileFilters();
                        for (FileFilter fileFilter : filters) {
                                if (fieldValue.equals(fileFilter.getDescription())) {
                                        getFileChooser().setFileFilter(fileFilter);
                                }
                        }
                }
        }

        @Override
        public URL getIconURL() {
                return UIFactory.getDefaultIcon();
        }
}