T - the type of the items contained by this componentpublic class ListBox<T> extends ListBoxBase<ListBox<T>,T,T> implements SingleSelect<ListBox<T>,T>
vaadin-list-box element.MultiSelectListBox,
Serialized FormAbstractField.ComponentValueChangeEvent<C extends Component,V>HasValue.ValueChangeEvent<V>, HasValue.ValueChangeListener<E extends HasValue.ValueChangeEvent<?>>HasItemComponents.ItemComponent<T>| Constructor and Description |
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ListBox()
Creates a new list box component.
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| Modifier and Type | Method and Description |
|---|---|
protected boolean |
valueEquals(T value1,
T value2)
Compares two value instances to each other to determine whether they are
equal.
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getDataProvider, getGenericDataView, getItemEnabledProvider, getItemId, getItemRenderer, getListDataView, onAttach, onDetach, onEnabledStateChanged, setDataProvider, setItemEnabledProvider, setItems, setItems, setItems, setItems, setRenderer, setRequiredIndicatorVisiblegetSynchronizationRegistration, hasValidValue, setPresentationValue, setSynchronizedEventaddValueChangeListener, getEmptyValue, getValue, isEmpty, setModelValue, setValueaddListener, fireEvent, from, get, getChildren, getElement, getEventBus, getId, getLocale, getParent, getTranslation, getTranslation, getTranslation, getUI, hasListener, isAttached, isTemplateMapped, isVisible, set, setElement, setId, setVisibleclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitisReadOnly, isRequiredIndicatorVisible, setReadOnly, setRequiredIndicatorVisibleaddValueChangeListener, clear, getEmptyValue, getOptionalValue, getValue, isEmpty, setValueisEnabled, setEnabledgetElementaddComponents, getItemPosition, prependComponentsadd, add, addComponentAsFirst, addComponentAtIndex, remove, removeAllgetCssSize, getHeight, getHeightUnit, getMaxHeight, getMaxWidth, getMinHeight, getMinWidth, getWidth, getWidthUnit, setHeight, setHeight, setHeightFull, setMaxHeight, setMaxHeight, setMaxWidth, setMaxWidth, setMinHeight, setMinHeight, setMinWidth, setMinWidth, setSizeFull, setSizeUndefined, setWidth, setWidth, setWidthFullsetItems, setItemsaddAttachListeneraddDetachListenerprotected boolean valueEquals(T value1, T value2)
AbstractField.setValue(Object) or
AbstractField.setModelValue(Object, boolean) is called. Subclasses can
override this method to define an alternative comparison method instead
of Object.equals(Object).valueEquals in class AbstractField<ListBox<T>,T>value1 - the first instancevalue2 - the second instancetrue if the instances are equal; otherwise
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