BlockingTextField is a UI component add-on for Vaadin 7. You can specify different types of allowed characters in the TextField.
mvn clean install
cd blocking-text-field-demo
mvn jetty:run
To see the demo, navigate to http://localhost:8080/
If you have not already compiled the widgetset, do it now by running vaadin:install Maven target for blocking-text-field-root project.
If you have a JRebel license, it makes on the fly code changes faster. Just add JRebel nature to your blocking-text-field-demo project by clicking project with right mouse button and choosing JRebel > Add JRebel Nature
To debug project and make code modifications on the fly in the server-side, right-click the blocking-text-field-demo project and choose Debug As > Debug on Server. Navigate to http://localhost:8080/blocking-text-field-demo/ to see the application.
Debugging client side code in the blocking-text-field-demo project: