public void removeInputChangeListener(InputChangeListener lst) {
changeListeners.remove(lst);
}
private void updateOptions(FileFilterOptions newOptions, boolean sendUndoRedo) {
FileFilterOptions old = this.options;
this.options = newOptions;
if (!old.equals(newOptions)) {
fireInputChanged(old, newOptions);
if (sendUndoRedo) {
fireUndoableEdit(old, newOptions);
}
}