com.vaadin.flow.dom

Class PropertyChangeEvent

java.lang.Object

java.util.EventObject

com.vaadin.flow.dom.PropertyChangeEvent

All Implemented Interfaces:

Serializable

public class PropertyChangeEvent
extends EventObject

An event fired when the value of a property changes.

Since:

1.0

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
PropertyChangeEvent(Element element, String propertyName, Serializable oldValue, boolean userOriginated) Creates a new PropertyChangeEvent event containing the current property value of the given element.

Method Summary

Modifier and Type	Method and Description
Serializable	getOldValue() Returns the value of the source before this value change event occurred.
String	getPropertyName() Returns the property name.
Element	getSource()
Serializable	getValue() Returns the new value that triggered this value change event.
boolean	isUserOriginated() Returns whether this event was triggered by user interaction, on the client side, or programmatically, on the server side.

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 Detail

PropertyChangeEvent

public PropertyChangeEvent(Element element,
                           String propertyName,
                           Serializable oldValue,
                           boolean userOriginated)

Creates a new PropertyChangeEvent event containing the current property value of the given element.

Parameters:

element - the source element owning the property, not null

propertyName - the property name

oldValue - the previous value held by the source of this event

userOriginated - true if this event originates from the client, false otherwise.

Method Detail

getOldValue

public Serializable getOldValue()

Returns the value of the source before this value change event occurred.

Returns:

the value previously held by the source of this event

getValue

public Serializable getValue()

Returns the new value that triggered this value change event.

Returns:

the new value

isUserOriginated

public boolean isUserOriginated()

Returns whether this event was triggered by user interaction, on the client side, or programmatically, on the server side.

Returns:

true if this event originates from the client, false otherwise.

getPropertyName

public String getPropertyName()

Returns the property name.

Returns:

the property name

getSource

public Element getSource()

Overrides:

getSource in class EventObject