Package com.storedobject.vaadin

Interface ValueChangeHandler

All Superinterfaces:

EventListener, com.vaadin.flow.component.HasValue.ValueChangeListener, Serializable

All Known Subinterfaces:

ExecutableView, HasColumns<T>

All Known Implementing Classes:

AbstractDataEditor, AbstractDataForm, ActionForm, Dashboard, DataEditor, DataForm, DataGrid, DataTreeGrid, ImageView, InformationMessage, ListGrid, MultiSelectGrid, SelectGrid, View, Viewer, ViewGrid, WrappedView

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ValueChangeHandler
extends com.vaadin.flow.component.HasValue.ValueChangeListener

Enahancemet to HasValue.ValueChangeListener that wraps the changed field (HasValue and its value into ChangedValues and invoke (default implementation) valueChanged(ChangedValues).

Author:

Syam

Method Summary

Modifier and Type	Method	Description
void	valueChanged(ChangedValues changedValues)	Invoked by valueChanged(HasValue.ValueChangeEvent) when a value of a field (HasValue) is changed.
default void	valueChanged(com.vaadin.flow.component.HasValue.ValueChangeEvent valueChangeEvent)	Default implemenation invokes valueChanged(ChangedValues).

Method Details

valueChanged

default void valueChanged(com.vaadin.flow.component.HasValue.ValueChangeEvent valueChangeEvent)

Default implemenation invokes valueChanged(ChangedValues).

Specified by:

valueChanged in interface com.vaadin.flow.component.HasValue.ValueChangeListener

Parameters:

valueChangeEvent - Value changed event.

valueChanged

void valueChanged(ChangedValues changedValues)

Invoked by valueChanged(HasValue.ValueChangeEvent) when a value of a field (HasValue) is changed.

Parameters:

changedValues - Change information (field and it value changes) wrapped into ChangedValues.