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 import org.altusmetrum.altosuilib.*;
  25
  26 public class MicroFileChooser extends JFileChooser {
  27         JFrame  frame;
  28         String  filename;
  29         File    file;
  30
  31         public String filename() {
  32                 return filename;
  33         }
  34
  35         public File file() {
  36                 return file;
  37         }
  38
  39         public InputStream runDialog() {
  40                 int     ret;
  41
  42                 ret = showOpenDialog(frame);
  43                 if (ret == APPROVE_OPTION) {
  44                         file = getSelectedFile();
  45                         if (file == null)
  46                                 return null;
  47                         filename = file.getName();
  48                         try {
  49                                 return new FileInputStream(file);
  50                         } catch (FileNotFoundException fe) {
  51                                 JOptionPane.showMessageDialog(frame,
  52                                                               fe.getMessage(),
  53                                                               "Cannot open file",
  54                                                               JOptionPane.ERROR_MESSAGE);
  55                         }
  56                 }
  57                 return null;
  58         }
  59
  60         public MicroFileChooser(JFrame in_frame) {
  61                 frame = in_frame;
  62                 setDialogTitle("Select MicroPeak Data File");
  63                 setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
  64                                                           "mpd"));
  65                 setCurrentDirectory(AltosUIPreferences.logdir());
  66         }
  67 }