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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.micropeak;
  20
  21 import java.awt.*;
  22 import java.awt.event.*;
  23 import javax.swing.*;
  24 import javax.swing.filechooser.FileNameExtensionFilter;
  25 import java.io.*;
  26 import java.util.concurrent.*;
  27 import java.util.*;
  28 import org.altusmetrum.altoslib_13.*;
  29 import org.altusmetrum.altosuilib_13.*;
  30
  31 public class MicroSave extends JFileChooser {
  32
  33         JFrame          frame;
  34         MicroData       data;
  35
  36         public static void save(File file, MicroData data) throws FileNotFoundException, IOException {
  37                 FileOutputStream fos = new FileOutputStream(file);
  38                 data.save(fos);
  39                 fos.close();
  40         }
  41
  42         public boolean runDialog() {
  43                 int     ret;
  44
  45                 for (;;) {
  46                         ret = showSaveDialog(frame);
  47                         if (ret != APPROVE_OPTION)
  48                                 return false;
  49                         File    file;
  50                         String  filename;
  51                         file = getSelectedFile();
  52                         if (file == null)
  53                                 continue;
  54                         if (!file.getName().contains(".")) {
  55                                 String fullname = file.getPath();
  56                                 file = new File(fullname.concat(".mpd"));
  57                         }
  58                         filename = file.getName();
  59                         if (file.exists()) {
  60                                 if (file.isDirectory()) {
  61                                         JOptionPane.showMessageDialog(frame,
  62                                                                       String.format("\"%s\" is a directory",
  63                                                                                     filename),
  64                                                                       "Directory",
  65                                                                       JOptionPane.ERROR_MESSAGE);
  66                                         continue;
  67                                 }
  68                                 int r = JOptionPane.showConfirmDialog(frame,
  69                                                                       String.format("\"%s\" already exists. Overwrite?",
  70                                                                                     filename),
  71                                                                       "Overwrite file?",
  72                                                                       JOptionPane.YES_NO_OPTION);
  73                                 if (r != JOptionPane.YES_OPTION)
  74                                         continue;
  75
  76                                 if (!file.canWrite()) {
  77                                         JOptionPane.showMessageDialog(frame,
  78                                                                       String.format("\"%s\" is not writable",
  79                                                                                     filename),
  80                                                                       "File not writable",
  81                                                                       JOptionPane.ERROR_MESSAGE);
  82                                         continue;
  83                                 }
  84                         }
  85                         try {
  86                                 save(file, data);
  87                                 AltosUIPreferences.set_last_logdir(file.getParentFile());
  88                                 data.set_name(filename);
  89                                 return true;
  90                         } catch (FileNotFoundException fe) {
  91                                 JOptionPane.showMessageDialog(frame,
  92                                                               fe.getMessage(),
  93                                                               "Cannot create file",
  94                                                               JOptionPane.ERROR_MESSAGE);
  95                         } catch (IOException ioe) {
  96                         }
  97                 }
  98         }
  99
 100         public MicroSave(JFrame frame, MicroData data) {
 101                 this.frame = frame;
 102                 this.data = data;
 103                 setDialogTitle("Save MicroPeak Data File");
 104                 setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
 105                                                           "mpd"));
 106                 setCurrentDirectory(AltosUIPreferences.last_logdir());
 107                 setSelectedFile(MicroFile.make());
 108         }
 109 }