Readonly JFormattedTextField

Question

Supossing that a JFormattedTextField is enabled and contains a formatter, is there a way to make it readonly? With a JTextField, we just need to suply a custom

Answer 1

You can simply use:

JFormattedTextField field = new JFormattedTextField();
// ...
field.setEditable(false);

just like for the JTextField since JFormattedTextField extends JTextField

Check out the javadoc as well.

Answer 2

What about undoing every change that occurs:

JFormattedTextField formattedTextField = new JFormattedTextField("Can't touch this! :)");
formattedTextField.getDocument().addUndoableEditListener(new UndoableEditListener() {
    @Override
    public void undoableEditHappened(UndoableEditEvent e) {
        e.getEdit().undo();
    }
});

Answer 3

Can't you disable editing by setting isEditable to false?

textfield.setEditable(false);