Advice welcomed on creating my own Swing component

Question

Recently I asked which was the best Swing component to bind to a BigDecimal variable (with some particular editing properties). It turns out that none of the standard Swing

Answer 1

Use whatever component you like and register a KeyListener to reject characters to match your behaviour.Add a getValue() & setValue to get/set easily a BiDecimal and some other methods and all the painting will be provided by any JTextComponent.