git.gag.com Git - fw/altos/blob - micropeak/MicroFileChooser.java

   1 /*
   2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.micropeak;
  19
  20 import javax.swing.*;
  21 import javax.swing.filechooser.FileNameExtensionFilter;
  22 import java.io.*;
  23 import org.altusmetrum.AltosLib.*;
  24
  25 public class MicroFileChooser extends JFileChooser {
  26         JFrame  frame;
  27         String  filename;
  28         File    file;
  29
  30         public String filename() {
  31                 return filename;
  32         }
  33
  34         public File file() {
  35                 return file;
  36         }
  37
  38         public InputStream runDialog() {
  39                 int     ret;
  40
  41                 ret = showOpenDialog(frame);
  42                 if (ret == APPROVE_OPTION) {
  43                         file = getSelectedFile();
  44                         if (file == null)
  45                                 return null;
  46                         filename = file.getName();
  47                         try {
  48                                 return new FileInputStream(file);
  49                         } catch (FileNotFoundException fe) {
  50                                 JOptionPane.showMessageDialog(frame,
  51                                                               fe.getMessage(),
  52                                                               "Cannot open file",
  53                                                               JOptionPane.ERROR_MESSAGE);
  54                         }
  55                 }
  56                 return null;
  57         }
  58
  59         public MicroFileChooser(JFrame in_frame) {
  60                 frame = in_frame;
  61                 setDialogTitle("Select MicroPeak Data File");
  62                 setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
  63                                                           "mpd"));
  64         }
  65 }