src/classes/net/jankenpoi/sudokuki/ui/swing/SaveAsAction.java

   1 package net.jankenpoi.sudokuki.ui.swing;
   2
   3 import static net.jankenpoi.i18n.I18n._;
   4
   5 import java.awt.event.ActionEvent;
   6 import java.io.File;
   7 import java.io.FileNotFoundException;
   8 import java.io.FileOutputStream;
   9 import java.io.IOException;
  10
  11 import javax.swing.AbstractAction;
  12 import javax.swing.JFileChooser;
  13 import javax.swing.JFrame;
  14 import javax.swing.JOptionPane;
  15 import javax.swing.filechooser.FileNameExtensionFilter;
  16
  17 import net.jankenpoi.i18n.I18n;
  18 import net.jankenpoi.sudokuki.view.GridView;
  19
  20 @SuppressWarnings("serial")
  21 public class SaveAsAction extends AbstractAction {
  22         private final GridView view;
  23         private final JFrame frame;
  24
  25         SaveAsAction(JFrame frame, GridView view, ActionsRepository actions) {
  26                 this.frame = frame;
  27                 this.view = view;
  28         }
  29
  30         public void actionPerformed(ActionEvent e) {
  31                 JFileChooser fc = new JFileChooser() {
  32
  33                         @Override
  34                         public File getSelectedFile() {
  35                                 File file = super.getSelectedFile();
  36                                 if (file == null) {
  37                                         return new File("myGrid.skg");
  38                                 }
  39                                 if (!"skg".equals(getExtension(file))) {
  40                                         file = new File(String.valueOf(file.getAbsolutePath())
  41                                                         + ".skg");
  42                                 }
  43                                 return file;
  44                         }
  45                 };
  46
  47                 fc.setDialogTitle(I18n._("Save as..."));
  48                 fc.setAcceptAllFileFilterUsed(false);
  49                 FileNameExtensionFilter filter = new FileNameExtensionFilter(
  50                                 I18n._("Sudokuki grid files"), new String[] { "skg" });
  51                 fc.setFileFilter(filter);
  52                 int returnVal = fc.showSaveDialog(this.frame);
  53
  54                 if (returnVal != 0) {
  55                         return;
  56                 }
  57                 File fileToSave = fc.getSelectedFile();
  58                 if (fileToSave == null) {
  59                         return;
  60                 }
  61                 fileToSave.delete();
  62                 try {
  63                         fileToSave.createNewFile();
  64                 } catch (IOException e1) {
  65             JOptionPane.showMessageDialog(frame, "<html>"
  66                     + "<table border=\"0\">" + "<tr>"
  67                     + _("Failed to save the grid<br/>at the selected location.") + "</tr>"
  68                     + "</html>", "Sudokuki", JOptionPane.ERROR_MESSAGE);
  69                 }
  70                 FileOutputStream fos = null;
  71                 try {
  72                         fos = new FileOutputStream(fileToSave);
  73                 } catch (FileNotFoundException e1) {
  74             JOptionPane.showMessageDialog(frame, "<html>"
  75                     + "<table border=\"0\">" + "<tr>"
  76                     + _("Failed to save the grid<br/>at the selected location.") + "</tr>"
  77                     + "</html>", "Sudokuki", JOptionPane.ERROR_MESSAGE);
  78                 }
  79                 if (fos == null) {
  80                         return;
  81                 }
  82
  83                 int[] cellInfos = this.view.getController().getCellInfosFromModel();
  84                 for (int i = 0; i < cellInfos.length; i++) {
  85                         byte lo = (byte) (cellInfos[i] & 0xFF);
  86                         byte hi = (byte) ((cellInfos[i] & 0xFF00) >> 8);
  87                         try {
  88                                 fos.write(lo);
  89                                 fos.write(hi);
  90                         } catch (IOException ioe) {
  91                                 ioe.printStackTrace();
  92                         }
  93                 }
  94                 try {
  95                         fos.close();
  96                 } catch (IOException e1) {
  97                         e1.printStackTrace();
  98                 }
  99         }
 100
 101         private static String getExtension(File file) {
 102                 String ext = null;
 103                 String s = file.getName();
 104                 int i = s.lastIndexOf('.');
 105
 106                 if ((i > 0) && (i < s.length() - 1)) {
 107                         ext = s.substring(i + 1).toLowerCase();
 108                 }
 109                 return ext;
 110         }
 111 }