git.gag.com Git - fw/altos/blob - micropeak/MicroSave.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 java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import javax.swing.filechooser.FileNameExtensionFilter;
  24 import java.io.*;
  25 import java.util.concurrent.*;
  26 import java.util.*;
  27 import org.altusmetrum.altoslib_10.*;
  28 import org.altusmetrum.altosuilib_10.*;
  29
  30 public class MicroSave extends JFileChooser {
  31
  32         JFrame          frame;
  33         MicroData       data;
  34
  35         public static void save(File file, MicroData data) throws FileNotFoundException, IOException {
  36                 FileOutputStream fos = new FileOutputStream(file);
  37                 data.save(fos);
  38                 fos.close();
  39         }
  40
  41         public boolean runDialog() {
  42                 int     ret;
  43
  44                 for (;;) {
  45                         ret = showSaveDialog(frame);
  46                         if (ret != APPROVE_OPTION)
  47                                 return false;
  48                         File    file;
  49                         String  filename;
  50                         file = getSelectedFile();
  51                         if (file == null)
  52                                 continue;
  53                         if (!file.getName().contains(".")) {
  54                                 String fullname = file.getPath();
  55                                 file = new File(fullname.concat(".mpd"));
  56                         }
  57                         filename = file.getName();
  58                         if (file.exists()) {
  59                                 if (file.isDirectory()) {
  60                                         JOptionPane.showMessageDialog(frame,
  61                                                                       String.format("\"%s\" is a directory",
  62                                                                                     filename),
  63                                                                       "Directory",
  64                                                                       JOptionPane.ERROR_MESSAGE);
  65                                         continue;
  66                                 }
  67                                 int r = JOptionPane.showConfirmDialog(frame,
  68                                                                       String.format("\"%s\" already exists. Overwrite?",
  69                                                                                     filename),
  70                                                                       "Overwrite file?",
  71                                                                       JOptionPane.YES_NO_OPTION);
  72                                 if (r != JOptionPane.YES_OPTION)
  73                                         continue;
  74
  75                                 if (!file.canWrite()) {
  76                                         JOptionPane.showMessageDialog(frame,
  77                                                                       String.format("\"%s\" is not writable",
  78                                                                                     filename),
  79                                                                       "File not writable",
  80                                                                       JOptionPane.ERROR_MESSAGE);
  81                                         continue;
  82                                 }
  83                         }
  84                         try {
  85                                 save(file, data);
  86                                 AltosUIPreferences.set_last_logdir(file.getParentFile());
  87                                 data.set_name(filename);
  88                                 return true;
  89                         } catch (FileNotFoundException fe) {
  90                                 JOptionPane.showMessageDialog(frame,
  91                                                               fe.getMessage(),
  92                                                               "Cannot create file",
  93                                                               JOptionPane.ERROR_MESSAGE);
  94                         } catch (IOException ioe) {
  95                         }
  96                 }
  97         }
  98
  99         public MicroSave(JFrame frame, MicroData data) {
 100                 this.frame = frame;
 101                 this.data = data;
 102                 setDialogTitle("Save MicroPeak Data File");
 103                 setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
 104                                                           "mpd"));
 105                 setCurrentDirectory(AltosUIPreferences.last_logdir());
 106                 setSelectedFile(MicroFile.make());
 107         }
 108 }