com.sun.javafx.event

Class CompositeEventTargetImpl

java.lang.Object

com.sun.javafx.event.CompositeEventTargetImpl

All Implemented Interfaces:

CompositeEventTarget, EventTarget

public class CompositeEventTargetImpl
extends java.lang.Object
implements CompositeEventTarget

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Set<EventTarget>	eventTargets

Constructor Summary

Constructors

Constructor and Description
CompositeEventTargetImpl(EventTarget... eventTargets)

Method Summary

Modifier and Type	Method and Description
EventDispatchChain	buildEventDispatchChain(EventDispatchChain tail) Construct an event dispatch chain for this target.
boolean	containsTarget(EventTarget target)
java.util.Set<EventTarget>	getTargets()

Methods inherited from class java.lang.Object

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

Field Detail

eventTargets

private final java.util.Set<EventTarget> eventTargets

Constructor Detail

CompositeEventTargetImpl

public CompositeEventTargetImpl(EventTarget... eventTargets)

Method Detail

getTargets

public java.util.Set<EventTarget> getTargets()

Specified by:

getTargets in interface CompositeEventTarget

containsTarget

public boolean containsTarget(EventTarget target)

Specified by:

containsTarget in interface CompositeEventTarget

buildEventDispatchChain

public EventDispatchChain buildEventDispatchChain(EventDispatchChain tail)

Description copied from interface: EventTarget

Construct an event dispatch chain for this target. The event dispatch chain contains event dispatchers which might be interested in processing of events targeted at this EventTarget. This event target is not automatically added to the chain, so if it wants to process events, it needs to add an EventDispatcher for itself to the chain.

In the case the event target is part of some hierarchy, the chain for it is usually built from event dispatchers collected from the root of the hierarchy to the event target.

The event dispatch chain is constructed by modifications to the provided initial event dispatch chain. The returned chain should have the initial chain at its end so the dispatchers should be prepended to the initial chain.

The caller shouldn't assume that the initial chain remains unchanged nor that the returned value will reference a different chain.

Specified by:

buildEventDispatchChain in interface EventTarget

Parameters:

tail - the initial chain to build from

Returns:

the resulting event dispatch chain for this target