com.vaadin.flow.component.internal

Class JavaScriptBootstrapUI

java.lang.Object

com.vaadin.flow.component.Component

com.vaadin.flow.component.UI

com.vaadin.flow.component.internal.JavaScriptBootstrapUI

All Implemented Interfaces:

AttachNotifier, DetachNotifier, HasComponents, HasElement, HasEnabled, PollNotifier, RouterLayout, Serializable

public class JavaScriptBootstrapUI
extends UI

Custom UI for JavaScriptBootstrapHandler. This class is intended for internal use in client side bootstrapping.

For internal use only. May be renamed or removed in a future release.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JavaScriptBootstrapUI.ClientViewPlaceholder Placeholder view when navigating from server-side views to client-side views.

Field Summary

Fields

Modifier and Type	Field and Description
static String	SERVER_ROUTING

Constructor Summary

Constructors

Constructor and Description
JavaScriptBootstrapUI() Create UI for client side bootstrapping.

Method Summary

Modifier and Type	Method and Description
void	connectClient(String clientElementTag, String clientElementId, String flowRoute, String appShellTitle) Connect a client with the server side UI.
Stream<Component>	getChildren() Gets the child components of this component.
String	getForwardToClientUrl() Gets the new forward url.
void	leaveNavigation(String route) Check that the view can be leave.
void	navigate(String pathname, QueryParameters queryParameters) Updates this UI to show the view corresponding to the given location and query parameters.

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

access, accessLater, accessLater, accessSynchronously, add, addAfterNavigationListener, addBeforeEnterListener, addBeforeLeaveListener, addShortcutListener, addShortcutListener, beforeClientResponse, close, doInit, getActiveDragSourceComponent, getCsrfToken, getCurrent, getElement, getInternals, getLoadingIndicatorConfiguration, getLocale, getNavigationListeners, getPage, getPollInterval, getPushConfiguration, getReconnectDialogConfiguration, getRouter, getSession, getUI, getUIId, init, isClosing, isNavigationSupported, navigate, navigate, navigate, navigate, onAttach, onDetach, push, setCurrent, setDirection, setLocale, setPollInterval

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

addListener, fireEvent, from, get, getEventBus, getId, getParent, getTranslation, getTranslation, hasListener, isAttached, isTemplateMapped, isVisible, onEnabledStateChanged, set, setElement, setId, setVisible

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.component.PollNotifier

addPollListener

Methods inherited from interface com.vaadin.flow.component.HasComponents

add, addComponentAsFirst, addComponentAtIndex, remove, removeAll

Methods inherited from interface com.vaadin.flow.component.HasEnabled

isEnabled, setEnabled

Methods inherited from interface com.vaadin.flow.router.RouterLayout

removeRouterLayoutContent, showRouterLayoutContent

Methods inherited from interface com.vaadin.flow.component.AttachNotifier

addAttachListener

Methods inherited from interface com.vaadin.flow.component.DetachNotifier

addDetachListener

Field Detail

SERVER_ROUTING

public static final String SERVER_ROUTING

See Also:

Constant Field Values

Constructor Detail

JavaScriptBootstrapUI

public JavaScriptBootstrapUI()

Create UI for client side bootstrapping.

Method Detail

getChildren

public Stream<Component> getChildren()

Description copied from class: Component

Gets the child components of this component.

The default implementation finds child components by traversing each child Element tree.

If the component is injected to a PolymerTemplate using the @Id annotation the getChildren method will only return children added from the server side and will not return any children declared in the template file.

Overrides:

getChildren in class Component

Returns:

the child components of this component

See Also:

Id

getForwardToClientUrl

public String getForwardToClientUrl()

Gets the new forward url.

Returns:

the new forward url

connectClient

@ClientCallable
public void connectClient(String clientElementTag,
                                          String clientElementId,
                                          String flowRoute,
                                          String appShellTitle)

Connect a client with the server side UI. This method is invoked each time client router navigates to a server route.

Parameters:

clientElementTag - client side element tag

clientElementId - client side element id

flowRoute - flow route that should be attached to the client element

leaveNavigation

@ClientCallable
public void leaveNavigation(String route)

Check that the view can be leave. This method is invoked when the client router tries to navigate to a client route while the current route is a server route. This is only called when client route navigates from a server to a client view.

Parameters:

route - the route that is navigating to.

navigate

public void navigate(String pathname,
                     QueryParameters queryParameters)

Description copied from class: UI

Updates this UI to show the view corresponding to the given location and query parameters. The location must be a relative path without any ".." segments.

Besides the navigation to the location this method also updates the browser location (and page history).

Overrides:

navigate in class UI

Parameters:

pathname - the location to navigate to, not null

queryParameters - query parameters that are used for navigation, not null

See Also:

UI.navigate(String), Router.navigate(UI, Location, NavigationTrigger)