org.vaadin.miki.superfields.unload

Class UnloadEvent

java.lang.Object

java.util.EventObject

com.vaadin.flow.component.ComponentEvent<UnloadObserver>

org.vaadin.miki.superfields.unload.UnloadEvent

All Implemented Interfaces:

Serializable

public class UnloadEvent
extends com.vaadin.flow.component.ComponentEvent<UnloadObserver>

Server-side event class associated with beforeunload event happening in the client-side. Can optionally prompt the user before leaving the page.

Since:

2020-04-29

Author:

miki

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
UnloadEvent(UnloadObserver source, boolean attempted) Creates a new event using the given source and indicator whether the event originated from the client side or the server side.

Method Summary

Modifier and Type	Method and Description
boolean	isBecauseOfQuerying() Checks whether or not the event has been fired in response to querying the user on beforeunload browser event.

Methods inherited from class com.vaadin.flow.component.ComponentEvent

getSource, isFromClient, unregisterListener

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UnloadEvent

public UnloadEvent(UnloadObserver source,
                   boolean attempted)

Creates a new event using the given source and indicator whether the event originated from the client side or the server side.

Parameters:

source - the source component

attempted - when true, the event is fired in response to querying before unloading; false otherwise.

Method Detail

isBecauseOfQuerying

public boolean isBecauseOfQuerying()

Checks whether or not the event has been fired in response to querying the user on beforeunload browser event.

Returns:

true when event is in response to querying the user on beforeunload, false otherwise.