org.fujion.event

Class EventListeners

java.lang.Object

org.fujion.event.EventListeners

public class EventListeners
extends Object

Manages event listeners for a single component.

Constructor Summary

Constructors

Constructor and Description
EventListeners()

Method Summary

Modifier and Type	Method and Description
void	add(String eventType, IEventListener eventListener) Add a listener for the given event type.
boolean	hasListeners(String eventType) Returns true if this event type has any listeners.
void	invoke(Event event) Invoke all listeners for this type of event.
void	remove(String eventType, IEventListener eventListener) Remove a listener for the given event type.
void	removeAll() Remove all listeners for all event types.
void	removeAll(String eventType) Remove all listeners for the specified event type only.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventListeners

public EventListeners()

Method Detail

add

public void add(String eventType,
                IEventListener eventListener)

Add a listener for the given event type.

Parameters:

eventType - The event type.

eventListener - The event listener.

remove

public void remove(String eventType,
                   IEventListener eventListener)

Remove a listener for the given event type.

Parameters:

eventType - The event type.

eventListener - The event listener.

removeAll

public void removeAll()

Remove all listeners for all event types.

removeAll

public void removeAll(String eventType)

Remove all listeners for the specified event type only.

Parameters:

eventType - The event type.

invoke

public void invoke(Event event)

Invoke all listeners for this type of event.

Parameters:

event - An event.

hasListeners

public boolean hasListeners(String eventType)

Returns true if this event type has any listeners.

Parameters:

eventType - The event type.

Returns:

True if there is at least one listener for the event type.