Construct a JSpinner editor that supports displaying and editing the value of a SpinnerDateModel with a JFormattedTextField. This DateEditor becomes both a ChangeListener on the spinner and a PropertyChangeListener on the new JFormattedTextField.

Parameters:

spinner		the spinner whose model this editor will monitor
dateFormatPattern		the initial pattern for the SimpleDateFormat object that's used to display and parse the value of the text field.

Exceptions:

IllegalArgumentException

if the spinners model is not an instance of SpinnerDateModel

See also:
getModel, getFormat, SpinnerDateModel, java.text.SimpleDateFormat