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Viewing changes to src/util/image/FileOpen.java

  • Committer: Package Import Robot
  • Author(s): Scott Howard
  • Date: 2011-11-11 21:40:11 UTC
  • Revision ID: package-import@ubuntu.com-20111111214011-sehf2rwat36o2xqf
Tags: upstream-1.3.2.2
Import upstream version 1.3.2.2

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src/util/image/FileOpen.java
 
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/*
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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 */
 
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/*
 
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  @author George El-Haddad
 
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  @email  nekromancer@users.sourceforge.net
 
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 */
 
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package util.image;
 
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import java.io.*;
 
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import javax.swing.*;
 
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public class FileOpen 
 
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{
 
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        private final String ERR_MSG_1 = "Warning! Could not load the file!";
 
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        private File file = null;
 
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        /**
 
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           Default Constructor.
 
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           @param java.lang.String title  the title of the JFileChooser
 
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           @exception java.lang.Exception  ex
 
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           Creates a file selection dialog starting at the current
 
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           working directory. Filters out all non-txt files and
 
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           handles possible file load errors.
 
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        */
 
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        public FileOpen(String title)    
 
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        {
 
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                this(title, ".txt", ".gif", ".png");
 
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        }
 
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        public FileOpen(String title, final String... extensions)  
 
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        {
 
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                JFileChooser chooser = new JFileChooser();
 
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                chooser.setDialogTitle(title);
 
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                chooser.setCurrentDirectory(new File(System.getProperties().getProperty("user.dir")));
 
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                /*
 
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                 * Show only text and gif files
 
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                 */
 
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                chooser.setFileFilter(new javax.swing.filechooser.FileFilter()
 
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                {
 
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                        public boolean accept(File f)
 
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                        {
 
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                                if(f.isDirectory()) 
 
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                                {
 
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                                        return true;
 
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                                }
 
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                                for(String ex : extensions) 
 
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                                {
 
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                                        if(f.getName().endsWith(ex)) {
 
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                                                return true;
 
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                                        }                                       
 
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                                }
 
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                                return false;
 
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                        }
 
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                        public String getDescription()
 
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                        {
 
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                                StringBuffer buf = new StringBuffer();
 
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                                for(String ex : extensions) 
 
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                                {
 
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                                        buf.append("*").append(ex).append(" ");                                 
 
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                                }
 
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                                return buf.toString();
 
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                        }
 
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                });
 
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                int result = chooser.showOpenDialog(null);
 
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                if(result == JFileChooser.CANCEL_OPTION)
 
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                {
 
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                        return;
 
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                }
 
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                try
 
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                {
 
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                        file = chooser.getSelectedFile();   //get the file
 
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                }
 
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                catch(Exception ex)
 
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                {
 
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                        JOptionPane.showMessageDialog(null,ERR_MSG_1,"Warning!", JOptionPane.WARNING_MESSAGE);
 
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                        file = null;
 
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                }
 
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        }//constructor
 
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        /**
 
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           Returns the newly selected file.
 
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           Will return null if no file is selected.
 
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           @return java.io.File
 
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        */
 
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        public File getFile()
 
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        {
 
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                return file;
 
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        }
 
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        /**
 
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           Returns the newly selected file.
 
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           Will return null if no file is selected.
 
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           @return java.lang.String
 
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        */
 
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        public String getPathString()
 
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        {
 
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                if(file == null)
 
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                {
 
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                        return null;
 
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                }
 
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                else
 
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                {
 
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                        return file.getPath();
 
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                }
 
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        }
 
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}//end class FileOpen