Support classes that allows an object
to expose listener methods instead of listener properties.
Normally, a listener property must be an object that implement
IActionListener . This can be cumbersome, in practice, as it
typically involves creating an anonymous inner class.
Using this mechanism, classes can instead implement listener methods.
A listener method takes the form:
public void method-name( IRequestCycle cycle)
The throws clause is optional, but may not throw any
Tapestry will create an appropriate listener object that will invoke the
The methods can be accessed using the property path "listeners.method-name"