com.vaadin.flow.component.listbox.dataview.ListBoxDataView API 21.0.9 | Vaadin

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com.vaadin.flow.component.listbox.dataview.

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

All Methods
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