private void filterFileList(List<String> fileNameList) {
List<String> invalidList = new ArrayList<String>();
for (int i = 0; i < fileNameList.size(); i++) {
String filename = fileNameList.get(i);
if (!new File(filename).exists()) {
invalidList.add(filename);
UserSettings.removeRecentFile(i);
}
}
fileNameList.removeAll(invalidList);
}
