com.vaadin.flow.component.listbox.dataview

Class ListBoxDataView<T>

java.lang.Object

com.vaadin.flow.data.provider.AbstractDataView<T>

com.vaadin.flow.component.listbox.dataview.ListBoxDataView<T>

Type Parameters:

T - the item type

All Implemented Interfaces:

DataView<T>, Serializable

public class ListBoxDataView<T>
extends AbstractDataView<T>

Implementation of generic data view for ListBox.

Since:

See Also:

Serialized Form

Field Summary

Fields inherited from class com.vaadin.flow.data.provider.AbstractDataView

component, dataProviderSupplier, NULL_IDENTIFIER_ERROR_MESSAGE, NULL_ITEM_ERROR_MESSAGE

Constructor Summary

Constructors

Constructor and Description
ListBoxDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier, ListBoxBase listBox) Constructs a new generic data view for ListBox and verifies the passed data provider is compatible with this data view implementation.

Method Summary

Modifier and Type	Method and Description
T	getItem(int index) Gets the item at the given index from the data available to the component.
protected Class<?>	getSupportedDataProviderType() Returns supported DataProvider type for this DataView.

Methods inherited from class com.vaadin.flow.data.provider.AbstractDataView

addItemCountChangeListener, equals, getIdentifierProvider, getItems, refreshAll, refreshItem, setIdentifierProvider, verifyDataProviderType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ListBoxDataView

public ListBoxDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier,
                       ListBoxBase listBox)

Constructs a new generic data view for ListBox and verifies the passed data provider is compatible with this data view implementation.

Parameters:

dataProviderSupplier - data provider supplier

listBox - list box instance for this DataView

Method Detail

getSupportedDataProviderType

protected Class<?> getSupportedDataProviderType()

Description copied from class: AbstractDataView

Returns supported DataProvider type for this DataView.

Specified by:

getSupportedDataProviderType in class AbstractDataView<T>

Returns:

supported data provider type

getItem

public T getItem(int index)

Description copied from interface: DataView

Gets the item at the given index from the data available to the component. Data is filtered and sorted the same way as in the component.

Parameters:

index - item index number

Returns:

item on index