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com.vaadin.flow.component.
Package com.vaadin.flow.component
Annotation Interface EventData
Maps data from a DOM event to a ComponentEvent.
This annotation should be added to parameters in the DOM event constructor in
a ComponentEvent, mapped using @DomEvent. See
the @DomEvent documentation for more information.
The annotation value() will be evaluated as JavaScript when the
event is handled in the browser. The expression is evaluated in a context
where element refers to the element for which the listener is
registered and event refers to the fired event. The value of the
expression is passed back to the server and injected into the annotated
ComponentEvent constructor parameter.
Supported parameter types are String, JsonValue,
Integer, Double, Boolean and their respective
primitive types.
Since:
1.0
Author:
Vaadin Ltd
See Also:
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Required Element Summary
Required Elements
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Element Details
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value
String valueA JavaScript expression that will be evaluated to collect data when an event is handled.
Returns:
the expression to use for fetching event data
See Also:
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