@Override
  public boolean isModified() {
    // This method is always invoked before close configuration dialog or leave "ToDo" page.
    // So it's a good place to commit all changes.
    stopEditing();
    return TodoConfiguration.getInstance().isMultiLine() != myMultiLineCheckBox.isSelected() ||
           arePatternsModified() || areFiltersModified();
  }
@Override
  public boolean isModified()