com.vaadin.flow.component.webcomponent

Class WebComponentWrapper

java.lang.Object

com.vaadin.flow.component.Component

com.vaadin.flow.component.webcomponent.WebComponentWrapper

All Implemented Interfaces:

AttachNotifier, DetachNotifier, HasElement, Serializable

public class WebComponentWrapper
extends Component

Wrapper component for a web component that exposes ClientCallable methods that the client-side components expect to be available.

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

Since:

2.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
	WebComponentWrapper(Element rootElement, WebComponentBinding<?> binding) Wrapper class for the server side WebComponent.
protected	WebComponentWrapper(Element rootElement, WebComponentBinding<?> binding, List<Element> bootstrapElements) Wrapper class for the server side WebComponent.

Method Summary

Modifier and Type	Method and Description
void	disconnected() A WebComponent disconnected from the dom will be scheduled for cleaning if it doesn't get reconnected before times up.
void	reconnect() Cancel cleanup for a disconnected component.
void	sync(String property, elemental.json.JsonValue newValue) Synchronize method for client side to send property value updates to the server.

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

addListener, fireEvent, from, get, getChildren, getElement, getEventBus, getId, getLocale, getParent, getTranslation, getTranslation, getUI, hasListener, isAttached, isTemplateMapped, isVisible, onAttach, onDetach, 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.AttachNotifier

addAttachListener

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

addDetachListener

Constructor Detail

WebComponentWrapper

public WebComponentWrapper(Element rootElement,
                           WebComponentBinding<?> binding)

Wrapper class for the server side WebComponent.

Parameters:

rootElement - Element to which the WebComponentWrapper is bound to.

binding - binding that offers methods for delivering property updates to the component being wrapped by WebComponentWrapper

WebComponentWrapper

protected WebComponentWrapper(Element rootElement,
                              WebComponentBinding<?> binding,
                              List<Element> bootstrapElements)

Wrapper class for the server side WebComponent.

Parameters:

rootElement - Element to which the WebComponentWrapper is bound to.

binding - binding that offers methods for delivering property updates to the component being wrapped by WebComponentWrapper

bootstrapElements - elements that should be added to the shadow dom of the rootElement. These are copies of the original elements and the copies are created by WebComponentConfigurationRegistry

Method Detail

sync

@ClientCallable
public void sync(String property,
                                 elemental.json.JsonValue newValue)

Synchronize method for client side to send property value updates to the server.

Parameters:

property - property name to update

newValue - the new value to set

reconnect

@ClientCallable
public void reconnect()

Cancel cleanup for a disconnected component.

disconnected

@ClientCallable
public void disconnected()

A WebComponent disconnected from the dom will be scheduled for cleaning if it doesn't get reconnected before times up.