ui/src/main/java/ucar/nc2/ui/widget/FileManager.java
public String chooseFilenameToSave(String defaultFilename) {
    chooser.setDialogType(JFileChooser.SAVE_DIALOG);
    String result = (defaultFilename == null) ? chooseFilename() : chooseFilename(defaultFilename);
    chooser.setDialogType(JFileChooser.OPEN_DIALOG);

    return result;
  }
public String chooseFilenameToSave(String defaultFilename) {
    chooser.setDialogType(JFileChooser.SAVE_DIALOG);
    String result = (defaultFilename == null) ? chooseFilename() : chooseFilename(defaultFilename);
    chooser.setDialogType(JFileChooser.OPEN_DIALOG);

    return result;
  }
/* public java.io.File chooseFile() {
if (!readOk) return null;
w.show();

if (chooser.showOpenDialog( parent) == JFileChooser.APPROVE_OPTION) {
File file = chooser.getSelectedFile();
if (debug) System.out.println("FileManager result "+file.getPath());
if (file != null)
return file;
}
return null;
}