com.vaadin.flow.router

Enum NavigationTrigger

java.lang.Object

java.lang.Enum<NavigationTrigger>

com.vaadin.flow.router.NavigationTrigger

All Implemented Interfaces:

Serializable, Comparable<NavigationTrigger>

public enum NavigationTrigger
extends Enum<NavigationTrigger>

The type of user action that triggered navigation.

Since:

1.0

Author:

Vaadin Ltd

See Also:

LocationChangeEvent.getTrigger(), History.HistoryStateChangeEvent.getTrigger()

Enum Constant Summary

Enum Constants

Enum Constant and Description
HISTORY Navigation was triggered by the user going forward or back in the browser's history.
PAGE_LOAD Navigation was triggered by the user opening the application or reloading in the browser.
PROGRAMMATIC Navigation was triggered programmatically via forward/reroute action.
REFRESH Navigation is for a reload event on a preserveOnRefresh route.
ROUTER_LINK Navigation was triggered by the user following a router link.
UI_NAVIGATE Navigation was triggered via UI.navigate(String, QueryParameters).

Method Summary

Modifier and Type	Method and Description
static NavigationTrigger	valueOf(String name) Returns the enum constant of this type with the specified name.
static NavigationTrigger[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

PAGE_LOAD

public static final NavigationTrigger PAGE_LOAD

Navigation was triggered by the user opening the application or reloading in the browser.

ROUTER_LINK

public static final NavigationTrigger ROUTER_LINK

Navigation was triggered by the user following a router link.

See Also:

RouterLink

HISTORY

public static final NavigationTrigger HISTORY

Navigation was triggered by the user going forward or back in the browser's history.

PROGRAMMATIC

public static final NavigationTrigger PROGRAMMATIC

Navigation was triggered programmatically via forward/reroute action.

UI_NAVIGATE

public static final NavigationTrigger UI_NAVIGATE

Navigation was triggered via UI.navigate(String, QueryParameters). It's for internal use only.

REFRESH

public static final NavigationTrigger REFRESH

Navigation is for a reload event on a preserveOnRefresh route.

Method Detail

values

public static NavigationTrigger[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (NavigationTrigger c : NavigationTrigger.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static NavigationTrigger valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null