+ private static final long serialVersionUID = 1L;
+
+ private DialogRunnerI runner = new DialogRunner();
+
+ File selectedFile = null;
+
+ /**
+ * On user selecting a file to save to, this response is run to check if the
+ * file already exists, and if so show a dialog to prompt for confirmation of
+ * overwrite.
+ */
+ RunResponse overwriteCheck = new RunResponse(JalviewFileChooser.APPROVE_OPTION)
+ {
+ @Override
+ public void run()
+ {
+ selectedFile = getSelectedFile();
+
+ if (selectedFile == null)
+ {
+ // Workaround for Java 9,10 on OSX - no selected file, but there is a
+ // filename typed in
+ // TODO is this needed in Java 8 or 11?
+ try
+ {
+ String filename = ((BasicFileChooserUI) getUI()).getFileName();
+ if (filename != null && filename.length() > 0)
+ {
+ selectedFile = new File(getCurrentDirectory(), filename);
+ }
+ } catch (Throwable x)
+ {
+ System.err.println(
+ "Unexpected exception when trying to get filename.");
+ x.printStackTrace();
+ }
+ }
+ if (selectedFile == null)
+ {
+ setReturnValue(JalviewFileChooser.CANCEL_OPTION);
+ return;
+ }
+ // JBP Note - this code was executed regardless of 'SAVE' being pressed
+ // need to see if there were side effects
+ if (getFileFilter() instanceof JalviewFileFilter)
+ {
+ JalviewFileFilter jvf = (JalviewFileFilter) getFileFilter();
+
+ if (!jvf.accept(getSelectedFile()))
+ {
+ String withExtension = getSelectedFile() + "."
+ + jvf.getAcceptableExtension();
+ setSelectedFile(new File(withExtension));
+ }
+ }
+ // All good, so we continue to save
+ setReturnValue(JalviewFileChooser.APPROVE_OPTION);
+
+ // TODO: ENSURE THAT FILES SAVED WITH A ':' IN THE NAME ARE REFUSED AND THE
+ // USER PROMPTED FOR A NEW FILENAME
+ if (!Jalview.isJS())
+ {
+ if (getSelectedFile().exists())
+ {
+ // JAL-3048 - may not need to raise this for browser saves
+ // yes/no cancel
+ int confirm = JvOptionPane.showConfirmDialog(JalviewFileChooser.this,
+ MessageManager.getString("label.overwrite_existing_file"),
+ MessageManager.getString("label.file_already_exists"),
+ JvOptionPane.YES_NO_OPTION);
+
+ if (confirm != JvOptionPane.YES_OPTION)
+ {
+ setReturnValue(JalviewFileChooser.CANCEL_OPTION);
+ }
+ }
+ }
+ };
+ };
+
+ /**
+ * Factory method to return a file chooser that offers readable alignment file
+ * formats
+ *
+ * @param directory
+ * @param selected
+ * @return
+ */
+ public static JalviewFileChooser forRead(String directory,
+ String selected)
+ {
+ List<String> extensions = new ArrayList<>();
+ List<String> descs = new ArrayList<>();
+ for (FileFormatI format : FileFormats.getInstance().getFormats())
+ {
+ if (format.isReadable())
+ {
+ extensions.add(format.getExtensions());
+ descs.add(format.getName());
+ }
+ }
+ return new JalviewFileChooser(directory,
+ extensions.toArray(new String[extensions.size()]),
+ descs.toArray(new String[descs.size()]), selected, true);
+ }
+
+ /**
+ * Factory method to return a file chooser that offers writable alignment file
+ * formats
+ *
+ * @param directory
+ * @param selected
+ * @return
+ */
+ public static JalviewFileChooser forWrite(String directory,
+ String selected)
+ {
+ // TODO in Java 8, forRead and forWrite can be a single method
+ // with a lambda expression parameter for isReadable/isWritable
+ List<String> extensions = new ArrayList<>();
+ List<String> descs = new ArrayList<>();
+ for (FileFormatI format : FileFormats.getInstance().getFormats())
+ {
+ if (format.isWritable())
+ {
+ extensions.add(format.getExtensions());
+ descs.add(format.getName());
+ }
+ }
+ return new JalviewFileChooser(directory,
+ extensions.toArray(new String[extensions.size()]),
+ descs.toArray(new String[descs.size()]), selected, false);
+ }
+