com.vaadin.client.flow.binding

Class ServerEventHandlerBinder

java.lang.Object

com.vaadin.client.flow.binding.ServerEventHandlerBinder

public class ServerEventHandlerBinder
extends Object

Binds and updates server object able to send notifications to the server.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type	Method and Description
static elemental.events.EventRemover	bindServerEventHandlerNames(elemental.dom.Element element, StateNode node) Registers all the server event handler names found in the NodeFeatures.CLIENT_DELEGATE_HANDLERS feature in the state node as serverObject.<methodName>.
static elemental.events.EventRemover	bindServerEventHandlerNames(Supplier<ServerEventObject> objectProvider, StateNode node, int featureId, boolean returnValue) Registers all the server event handler names found in the feature with the featureId in the ServerEventObject object.

Methods inherited from class java.lang.Object

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

Method Detail

bindServerEventHandlerNames

public static elemental.events.EventRemover bindServerEventHandlerNames(elemental.dom.Element element,
                                                                        StateNode node)

Registers all the server event handler names found in the NodeFeatures.CLIENT_DELEGATE_HANDLERS feature in the state node as serverObject.<methodName>. Additionally listens to changes in the feature and updates $server accordingly.

Parameters:

element - the element to update

node - the state node containing the feature

Returns:

a handle which can be used to remove the listener for the feature

bindServerEventHandlerNames

public static elemental.events.EventRemover bindServerEventHandlerNames(Supplier<ServerEventObject> objectProvider,
                                                                        StateNode node,
                                                                        int featureId,
                                                                        boolean returnValue)

Registers all the server event handler names found in the feature with the featureId in the ServerEventObject object. Additionally listens to changes in the feature and updates server event object accordingly.

Parameters:

objectProvider - the provider of the event object to update

node - the state node containing the feature

featureId - the feature id which contains event handler methods

returnValue - true if the handler should return a promise that will reflect the server-side result; false to not return any value

Returns:

a handle which can be used to remove the listener for the feature