com.google.gwt.event.logical.shared

Class AttachEvent

java.lang.Object

com.google.web.bindery.event.shared.Event<H>

com.google.gwt.event.shared.GwtEvent<AttachEvent.Handler>

com.google.gwt.event.logical.shared.AttachEvent

public class AttachEvent
extends GwtEvent<AttachEvent.Handler>

Fired when the event source is attached to the browser's document or detached from it.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AttachEvent.Handler Implemented by objects that handle AttachEvent.

Nested classes/interfaces inherited from class com.google.gwt.event.shared.GwtEvent

GwtEvent.Type<H>

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AttachEvent(boolean attached) Construct a new AttachEvent.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	dispatch(AttachEvent.Handler handler) Should only be called by HandlerManager.
static <S extends HasAttachHandlers> void	fire(S source, boolean attached) Fires an AttachEvent on all registered handlers in the handler source.
GwtEvent.Type<AttachEvent.Handler>	getAssociatedType() Returns the Event.Type used to register this event, allowing an EventBus to find handlers of the appropriate class.
static GwtEvent.Type<AttachEvent.Handler>	getType() Ensures the existence of the handler hook and then returns it.
boolean	isAttached() Returns true if this event announces that the source has been attached, false if it has been detached.
String	toDebugString() This is a method used primarily for debugging.

Methods inherited from class com.google.gwt.event.shared.GwtEvent

assertLive, getSource, isLive, kill, revive

Methods inherited from class com.google.web.bindery.event.shared.Event

setSource, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode

Constructor Detail

AttachEvent

protected AttachEvent(boolean attached)

Construct a new AttachEvent.

Parameters:

attached - true if the source has been attached

Method Detail

fire

public static <S extends HasAttachHandlers> void fire(S source,
                                      boolean attached)

Fires an AttachEvent on all registered handlers in the handler source.

Type Parameters:

S - The handler source type

Parameters:

source - the source of the handlers

attached - whether to announce an attach or detach

getType

public static GwtEvent.Type<AttachEvent.Handler> getType()

Ensures the existence of the handler hook and then returns it.

Returns:

returns a handler hook

getAssociatedType

public final GwtEvent.Type<AttachEvent.Handler> getAssociatedType()

Description copied from class: Event

Returns the Event.Type used to register this event, allowing an EventBus to find handlers of the appropriate class.

Specified by:

getAssociatedType in class GwtEvent<AttachEvent.Handler>

Returns:

the type

isAttached

public boolean isAttached()

Returns true if this event announces that the source has been attached, false if it has been detached.

toDebugString

public String toDebugString()

Description copied from class: Event

This is a method used primarily for debugging. It gives a string representation of the event details. This does not override the toString method because the compiler cannot always optimize toString out correctly. Event types should override as desired.

Overrides:

toDebugString in class Event<AttachEvent.Handler>

Returns:

a string representing the event's specifics.

dispatch

protected void dispatch(AttachEvent.Handler handler)

Description copied from class: GwtEvent

Should only be called by HandlerManager. In other words, do not use or call.

Specified by:

dispatch in class GwtEvent<AttachEvent.Handler>

Parameters:

handler - handler

See Also:

EventBus.dispatchEvent(Event, Object)