FormattedTextField (with MaskFormatter) on Javascript

While working on the Formspider framework (which has both Java and JavaScript renderers), we needed to implement a FormattedTextField component. It was easy to implement on Java side by using JFormattedTextField with a MaskFormatter. For JavaScript renderer we implemented a new MaskFormatter class as similar as possible to java.

Here is the source code that also includes an example:
JavascriptMaskFormatter.rar

In handlers.js, you can see event handlers for key inputs (including navigation keys), paste operation and validation on blur.

(###) ###-##-## mask is used in the example. Available masks are { # U L A ? * H }. See Java MaskFormatter page for more information.

Tested on IE8, FF3 and Chrome6.

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