001    /*
002     * This file is part of McIDAS-V
003     *
004     * Copyright 2007-2013
005     * Space Science and Engineering Center (SSEC)
006     * University of Wisconsin - Madison
007     * 1225 W. Dayton Street, Madison, WI 53706, USA
008     * https://www.ssec.wisc.edu/mcidas
009     * 
010     * All Rights Reserved
011     * 
012     * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013     * some McIDAS-V source code is based on IDV and VisAD source code.  
014     * 
015     * McIDAS-V is free software; you can redistribute it and/or modify
016     * it under the terms of the GNU Lesser Public License as published by
017     * the Free Software Foundation; either version 3 of the License, or
018     * (at your option) any later version.
019     * 
020     * McIDAS-V is distributed in the hope that it will be useful,
021     * but WITHOUT ANY WARRANTY; without even the implied warranty of
022     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023     * GNU Lesser Public License for more details.
024     * 
025     * You should have received a copy of the GNU Lesser Public License
026     * along with this program.  If not, see http://www.gnu.org/licenses.
027     */
028    package edu.wisc.ssec.mcidasv.chooser;
029    
030    import java.awt.Component;
031    import java.awt.Container;
032    import java.io.File;
033    
034    import javax.swing.JFileChooser;
035    import javax.swing.JLabel;
036    
037    /**
038     * An extension of JFileChooser, particular to Suomi NPP data.
039     * Mostly that means check for presence of separate HDF5 geolocation
040     * files when needed to bless granules for selection.
041     *
042     * @author Tommy Jasmin
043     */
044    
045    public class SuomiNPPFileChooser extends JFileChooser {
046    
047        /**
048             * default for serializable class
049             */
050            private static final long serialVersionUID = 1L;
051            
052            /**
053             * ref to caller
054             */
055            private SuomiNPPChooser snppc = null;
056    
057            /**
058         * Create the file chooser
059         *
060         * @param path   the initial path
061         * @param snppc  the enclosing Suomi Chooser
062         */
063            
064        public SuomiNPPFileChooser(String path, SuomiNPPChooser snppc) {
065            super(path);
066            this.snppc = snppc;
067            setControlButtonsAreShown(false);
068            setMultiSelectionEnabled(true);
069            setAcceptAllFileFilterUsed(false);
070            processChildren(this);
071        }
072    
073        private void processChildren(Container c) {
074            Component [] components = c.getComponents();
075            if (components != null) {
076                    // loop through all components, looking for the JLabel children of 
077                    // components we want to remove
078                    for (int i = 0; i < components.length; i++) {
079                            if (components[i] instanceof JLabel) {
080                                    String text = ((JLabel) components[i]).getText();
081                                    if (text.equals("File Name:")) {
082                                            hideChildren((Container) components[i].getParent());
083                                            continue;
084                                    }
085                                    if (text.equals("Files of Type:")) {
086                                            hideChildren((Container) components[i].getParent());
087                                            continue;
088                                    }
089                            }
090                            // now check this component for any children
091                            processChildren((Container) components[i]);
092                    }
093            }
094        }
095        
096        private void hideChildren(Container c) {
097            Component [] components = c.getComponents();
098            for (int i = 0; i < components.length; i++) {
099                    components[i].setVisible(false);
100            }
101            c.setVisible(false);
102        }
103    
104        /**
105         * Approve the selection
106         */
107        public void approveSelection() {
108            snppc.doLoad();
109        }
110    
111        /**
112         * Set the selected files
113         *
114         * @param selectedFiles  the selected files
115         */
116        public void setSelectedFiles(File[] selectedFiles) {
117            super.setSelectedFiles(selectedFiles);
118            snppc.setHaveData( !((selectedFiles == null) || (selectedFiles.length == 0)));
119        }
120    }