com.holonplatform.vaadin.flow.components

Interface BoundComponentGroup<P,C extends HasComponent>

Type Parameters:

P - Property type

C - Group element type

All Superinterfaces:

ComponentGroup<C>, HasPropertySet<P>, Serializable

All Known Subinterfaces:

ItemListing.EditorComponentGroup<P,T>, PropertyInputForm, PropertyInputGroup, PropertyViewForm, PropertyViewGroup

public interface BoundComponentGroup<P,C extends HasComponent>
extends ComponentGroup<C>, HasPropertySet<P>

A ComponentGroup for which each component is bound to a property, which identifies the component itself within the group.

Since:

5.2.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	BoundComponentGroup.Binding<P,C extends HasComponent> A binding between a property and a group element.

Method Summary

Modifier and Type	Method and Description
Stream<BoundComponentGroup.Binding<P,C>>	getBindings() Get the available group element bindings.
Optional<C>	getElement(P property) Get the group element bound to given property, if available.
default C	requireElement(P property) Get the group element bound to given property, throwing a IllegalArgumentException if not available.

Methods inherited from interface com.holonplatform.vaadin.flow.components.ComponentGroup

getComponents, getElements

Methods inherited from interface com.holonplatform.vaadin.flow.components.HasPropertySet

getProperties, hasProperty

Method Detail

getBindings

Stream<BoundComponentGroup.Binding<P,C>> getBindings()

Get the available group element bindings. A BoundComponentGroup.Binding represents the group element and the property to which is bound.

Returns:

A stream of the group bindings

getElement

Optional<C> getElement(P property)

Get the group element bound to given property, if available.

Parameters:

property - The property which identifies the element within the group (not null)

Returns:

Optional group element bound to given property

requireElement

default C requireElement(P property)

Get the group element bound to given property, throwing a IllegalArgumentException if not available.

Parameters:

property - The property which identifies the element within the group (not null)

Returns:

The roup element bound to given property

Throws:

IllegalArgumentException - If no element of the group is bound to given property