How to undo changes on JSpinner?

Question

I need to check the user input JSpinner

, and if it is wrong, I need to undo (rollback) the value change. What's the best way to do this?

0

michelemarcon Dec 11. '08 at 15:20

1 answer

jjnguy · Accepted Answer · 2008-12-11T15:24:39+0000

Well, if you keep the old value since the last validation of the input, you can then reset the counter value back to the last valid value.

boolean valid = validate(spinner);
if (valid)
    validValue = spinner.getValue();
else
    spinner.setValue(validValue);

Maybe something like that.