Package com.vaadin.flow.component

Interface FocusNotifier<T extends Component>

Type Parameters:

T - the type of the component returned at the ComponentEvent.getSource()

All Superinterfaces:

Serializable

All Known Subinterfaces:

Focusable<T>

All Known Implementing Classes:

AbstractNumberField, Anchor, BigDecimalField, Button, Checkbox, ComboBox, ComboBoxBase, CrudGrid, CustomField, DatePicker, DateTimePicker, DrawerToggle, EmailField, Grid, GridPro, HtmlObject, Input, IntegerField, MultiSelectComboBox, NativeButton, NumberField, PasswordField, RangeInput, RouterLink, Scroller, Select, TextArea, TextField, TextFieldBase, TimePicker, TreeGrid, VirtualList

public interface FocusNotifier<T extends Component>
extends Serializable

Mixin interface to handle focus events on components.

Since:

1.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	FocusNotifier.FocusEvent<C extends Component>	Represents the DOM event "focus".

Method Summary

Modifier and Type	Method	Description
default Registration	addFocusListener(ComponentEventListener<FocusNotifier.FocusEvent<T>> listener)	Add a listener to focus DOM events.

Method Details

addFocusListener

default Registration addFocusListener(ComponentEventListener<FocusNotifier.FocusEvent<T>> listener)

Add a listener to focus DOM events.

Parameters:

listener - the focus listener

Returns:

a registration that can be used to unregister the listener

See Also:

• focus event at MDN