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JCPExportFileFilter.java

/* $RCSfile$
 * $Author: egonw $
 * $Date: 2007-01-04 18:26:00 +0100 (Thu, 04 Jan 2007) $
 * $Revision: 7634 $
 * 
 * Copyright (C) 2003-2007  The JChemPaint project
 *
 * Contact: jchempaint-devel@lists.sourceforge.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All we ask is that proper credit is given for our work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 * 
 * 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.applications.jchempaint.io;

import java.io.File;
import java.util.List;
import java.util.ArrayList;

import javax.swing.JFileChooser;

/**
 * An export filter for JCP file formats
 *
 * @cdk.module jchempaint 
 * @author  Egon Willighagen
 * @cdk.created 2003-04-01
 */
00043 public class JCPExportFileFilter extends javax.swing.filechooser.FileFilter implements IJCPFileFilter {

    // only those extensions are given here that are *not* on JCPFileFilter
    public final static String bmp = "bmp";
    public final static String png = "png";
    public final static String tiff = "tiff";
    public final static String jpg = "jpg";
    public final static String svg = "svg";

    protected List types;

    public JCPExportFileFilter(String type) {
            super();
            types = new ArrayList();
        types.add(type);
    }

    /**
     * Adds the JCPFileFilter to the JFileChooser object.
     */
00063     public static void addChoosableFileFilters(JFileChooser chooser) {
        chooser.addChoosableFileFilter(new JCPExportFileFilter(JCPExportFileFilter.bmp));
        chooser.addChoosableFileFilter(new JCPExportFileFilter(JCPExportFileFilter.jpg));
        chooser.addChoosableFileFilter(new JCPExportFileFilter(JCPExportFileFilter.png));
        chooser.addChoosableFileFilter(new JCPExportFileFilter(JCPExportFileFilter.svg));
        chooser.addChoosableFileFilter(new JCPExportFileFilter(JCPExportFileFilter.tiff));
    }

    /**
     * The description of this filter.
     */
00074     public String getDescription() {
        String type = (String)types.get(0);
        String result = "Unknown";
        if (type.equals(png)) {
            result = "PNG";
        } else if (type.equals(bmp)) {
            result = "BMP";
        } else if (type.equals(tiff)) {
            result = "TIFF";
        } else if (type.equals(jpg)) {
            result = "JPEG";
        } else if (type.equals(svg)) {
            result = "Scalable Vector Graphics";
        }
        return result;
    }

    // Accept all directories and all gif, jpg, or tiff files.
    public boolean accept(File f) {
        boolean accepted = false;
        if (f.isDirectory()) {
            accepted = true;
        }

        String extension = getExtension(f);
            if (extension != null) {
            if (types.contains(extension)) {
                  accepted = true;
            }
      }
        return accepted;
    }

    /*
     * Get the extension of a file.
     */
    public static String getExtension(File f) 
      {
        String ext = null;
        String s = f.getName();
        int i = s.lastIndexOf('.');

        if (i > 0 &&  i < s.length() - 1) {
            ext = s.substring(i+1).toLowerCase();
        }
        return ext;
    }

00122       public String getType() {
            return (String)types.get(0);
      }

00126       public void setType(String type) {
            types.add(type);
      }
}

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