com.vaadin.flow.component.radiobutton.dataview

Class RadioButtonGroupDataView<T>

java.lang.Object

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

com.vaadin.flow.component.radiobutton.dataview.RadioButtonGroupDataView<T>

Type Parameters:

T - the item type

All Implemented Interfaces:

DataView<T>, Serializable

public class RadioButtonGroupDataView<T>
extends AbstractDataView<T>

Implementation of generic data view for RadioButtonGroup.

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
RadioButtonGroupDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier, RadioButtonGroup radioButtonGroup) Constructs a new DataView.
RadioButtonGroupDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier, RadioButtonGroup radioButtonGroup, SerializableConsumer<IdentifierProvider<T>> identifierChangedCallback) Constructs a new DataView.

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.
void	setIdentifierProvider(IdentifierProvider<T> identifierProvider) Sets an identifier provider, which returns an identifier for the given item.

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

RadioButtonGroupDataView

public RadioButtonGroupDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier,
                                RadioButtonGroup radioButtonGroup)

Constructs a new DataView.

Parameters:

dataProviderSupplier - data provider supplier

radioButtonGroup - radioButton group instance for this DataView

RadioButtonGroupDataView

public RadioButtonGroupDataView(SerializableSupplier<? extends DataProvider<T,?>> dataProviderSupplier,
                                RadioButtonGroup radioButtonGroup,
                                SerializableConsumer<IdentifierProvider<T>> identifierChangedCallback)

Constructs a new DataView.

Parameters:

dataProviderSupplier - data provider supplier

radioButtonGroup - radioButton group instance for this DataView

identifierChangedCallback - callback method which should be called when identifierProvider is changed

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

setIdentifierProvider

public void setIdentifierProvider(IdentifierProvider<T> identifierProvider)

Description copied from interface: DataView

Sets an identifier provider, which returns an identifier for the given item. The identifier is used for comparing the equality of items. Usage example: dataView.setIdentifiedProvider(Item::getId);.

Specified by:

setIdentifierProvider in interface DataView<T>

Overrides:

setIdentifierProvider in class AbstractDataView<T>

Parameters:

identifierProvider - function that returns the non-null identifier for a given item