com.vaadin.client.flow

Class RouterLinkHandler

java.lang.Object

com.vaadin.client.flow.RouterLinkHandler

public class RouterLinkHandler
extends Object

Handler for click events originating from application navigation link elements marked with .

Events are sent to server for handling.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type	Method and Description
static void	bind(Registry registry, elemental.dom.Element element) Adds a click event listener for the given element for intercepting application navigation related click events and sending them to server.
static boolean	isInsidePageNavigation(String path, boolean hasFragment) Checks whether the given path is for navigating inside the same page as the current one.
static void	sendServerNavigationEvent(Registry registry, String location, Object stateObject, boolean routerLinkEvent) Notifies the server about navigation to the given location.

Methods inherited from class java.lang.Object

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

Method Detail

bind

public static void bind(Registry registry,
                        elemental.dom.Element element)

Adds a click event listener for the given element for intercepting application navigation related click events and sending them to server.

Parameters:

registry - the registry

element - the element to listen to click events in

isInsidePageNavigation

public static boolean isInsidePageNavigation(String path,
                                             boolean hasFragment)

Checks whether the given path is for navigating inside the same page as the current one.

If the paths are different, it is always outside the current page navigation. If they are the same, then it depends on whether the new href has any hash #.

Parameters:

path - the path to check against

hasFragment - the true if the navigated url contains a fragment,false if not

Returns:

true if the given location is for navigating inside the current page, false if not

sendServerNavigationEvent

public static void sendServerNavigationEvent(Registry registry,
                                             String location,
                                             Object stateObject,
                                             boolean routerLinkEvent)

Notifies the server about navigation to the given location.

Ensures that navigation works even if the session has expired.

Parameters:

registry - the registry

location - the location to navigate to, relative to the base URI

stateObject - the state object or null if none applicable

routerLinkEvent - true if this event was triggered by interaction with a router link; false if triggered by history navigation