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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
Implementation of generic data view for ListBox.
Since:
See Also:
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Field Summary
Fields inherited from class com.vaadin.flow.data.provider.AbstractDataView
component, dataProviderSupplier, NULL_IDENTIFIER_ERROR_MESSAGE, NULL_ITEM_ERROR_MESSAGE -
Constructor Summary
ConstructorsConstructorDescriptionListBoxDataView(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.
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Method Summary
Modifier and TypeMethodDescriptiongetItem(int index) Gets the item at the given index from the data available to the component.
protected Class<?>Returns supported
DataProvidertype for thisDataView.Methods inherited from class com.vaadin.flow.data.provider.AbstractDataView
addIdentifierProviderChangeListener, addItemCountChangeListener, equals, getIdentifierProvider, getItems, refreshAll, refreshItem, setIdentifierProvider, verifyDataProviderType
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Constructor Details
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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 supplierlistBox- list box instance for this DataView
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Method Details
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getSupportedDataProviderType
Description copied from class:
AbstractDataViewReturns supported
DataProvidertype for thisDataView.Specified by:
getSupportedDataProviderTypein classAbstractDataView<T>Returns:
supported data provider type
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getItem
Description copied from interface:
DataViewGets 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 numberReturns:
item on index
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