com.vaadin.navigator

Class ViewBeforeLeaveEvent

java.lang.Object

java.util.EventObject

com.vaadin.navigator.ViewBeforeLeaveEvent

All Implemented Interfaces:

Serializable

public class ViewBeforeLeaveEvent
extends EventObject

Event sent to the View instance before navigating away from it.

Provides a navigate() method which must be called for the navigation to take place.

Since:

8.1

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
ViewBeforeLeaveEvent(Navigator navigator, ViewLeaveAction action) Creates a new event instance for the given navigator.

Method Summary

Modifier and Type	Method and Description
protected boolean	isNavigateRun() Checks if the navigate command has been executed.
void	navigate() Performs the navigation which triggered the event in the first place.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewBeforeLeaveEvent

public ViewBeforeLeaveEvent(Navigator navigator,
                            ViewLeaveAction action)

Creates a new event instance for the given navigator.

Parameters:

navigator - the navigator instance

action - the command to execute when calling navigate()

Method Detail

navigate

public void navigate()

Performs the navigation which triggered the event in the first place.

isNavigateRun

protected boolean isNavigateRun()

Checks if the navigate command has been executed.

Returns:

true if navigate() has been called, false otherwise