private void bind(IActionTarget target) {
        if (targets.isEmpty()) {
            getEventManager().subscribe(eventName, this);
        }
        
        targets.add(target);
    }
private void bind ( IActionTarget target ) { if ( targets . isEmpty ( ) ) { getEventManager ( ) . subscribe ( eventName , this ) ; } targets . add ( target ) ; }
Binds the specified action target to this event listener.

@param target The action target to bind.