Package com.vaadin.flow.component.webcomponent

Class WebComponentUI.WebComponentConnectEvent

java.lang.Object

java.util.EventObject

com.vaadin.flow.component.ComponentEvent<UI>

com.vaadin.flow.component.webcomponent.WebComponentUI.WebComponentConnectEvent

All Implemented Interfaces:

Serializable

Enclosing class:

WebComponentUI

@DomEvent("connect-web-component")
public static class WebComponentUI.WebComponentConnectEvent
extends ComponentEvent<UI>

Event used for sending the activation event for an exported web component from the client to the server.

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
WebComponentConnectEvent(UI source, boolean fromClient, String tag, String webComponentElementId, String userAssignedId, tools.jackson.databind.JsonNode attributeValues)	Creates a new web component connection event.

Method Summary

Modifier and Type	Method	Description
tools.jackson.databind.JsonNode	getAttributeJson()	Gets the initial attribute values.
String	getTag()	Gets the tag of the element to connect.
String	getWebComponentElementId()	Gets the id of the web component.
String	getWebComponentUserAssignedId()	Gets the user-assigned id of the web component.

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

getSource, isFromClient, unregisterListener

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Constructor Details

WebComponentConnectEvent

public WebComponentConnectEvent(UI source,
 boolean fromClient,
 @EventData("tag")
 String tag,
 @EventData("id")
 String webComponentElementId,
 @EventData("userAssignedId")
 String userAssignedId,
 @EventData("attributeValues")
 tools.jackson.databind.JsonNode attributeValues)

Creates a new web component connection event.

Parameters:

source - the component that was attached

fromClient - true if the event was originally fired on the client, false if the event originates from server-side logic

tag - the tag of the element to connect

webComponentElementId - the id of the embedded web component

userAssignedId - the id user might have set on the embedding web component element

attributeValues - initial attribute values as a JsonObject. If present, these will override the default value designated by the WebComponentExporter but only for this instance.

Method Details

getTag

public String getTag()

Gets the tag of the element to connect.

Returns:

the tag of the element

getWebComponentElementId

public String getWebComponentElementId()

Gets the id of the web component.

Returns:

the id of the web component

getWebComponentUserAssignedId

public String getWebComponentUserAssignedId()

Gets the user-assigned id of the web component.

Returns:

user-assigned id

getAttributeJson

public tools.jackson.databind.JsonNode getAttributeJson()

Gets the initial attribute values.

Returns:

the initial attribute values