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com.vaadin.flow.component.listbox.
Class ListBox<T>
- java.lang.Object
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- com.vaadin.flow.component.Component
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- com.vaadin.flow.component.AbstractField<C,T>
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- com.vaadin.flow.component.AbstractSinglePropertyField<C,VALUE>
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- com.vaadin.flow.component.listbox.ListBoxBase<ListBox<T>,T,T>
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- com.vaadin.flow.component.listbox.ListBox<T>
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Type Parameters:
T- the type of the items contained by this componentAll Implemented Interfaces:
AttachNotifier, DetachNotifier, HasComponents, HasElement, HasEnabled, HasSize, HasValue<AbstractField.ComponentValueChangeEvent<ListBox<T>,T>,T>, HasValueAndElement<AbstractField.ComponentValueChangeEvent<ListBox<T>,T>,T>, HasItemComponents<T>, HasDataView<T,Void,ListBoxDataView<T>>, HasListDataView<T,ListBoxListDataView<T>>, SingleSelect<ListBox<T>,T>, Serializable
public class ListBox<T> extends ListBoxBase<ListBox<T>,T,T> implements SingleSelect<ListBox<T>,T>Server-side component for the
vaadin-list-boxelement.Author:
Vaadin Ltd
See Also:
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Nested Class Summary
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Nested classes/interfaces inherited from class com.vaadin.flow.component.AbstractField
AbstractField.ComponentValueChangeEvent<C extends Component,V>
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Nested classes/interfaces inherited from interface com.vaadin.flow.component.HasValue
HasValue.ValueChangeEvent<V>, HasValue.ValueChangeListener<E extends HasValue.ValueChangeEvent<?>>
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Nested classes/interfaces inherited from interface com.vaadin.flow.data.binder.HasItemComponents
HasItemComponents.ItemComponent<T>
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Constructor Summary
Constructors Constructor and Description ListBox()Creates a new list box component.
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Method Summary
All Methods Modifier and Type Method and Description protected booleanvalueEquals(T value1, T value2)Compares two value instances to each other to determine whether they are equal.
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Methods inherited from class com.vaadin.flow.component.listbox.ListBoxBase
getDataProvider, getGenericDataView, getItemEnabledProvider, getItemId, getItemRenderer, getListDataView, onAttach, onDetach, onEnabledStateChanged, setDataProvider, setItemEnabledProvider, setItems, setItems, setItems, setItems, setRenderer, setRequiredIndicatorVisible
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Methods inherited from class com.vaadin.flow.component.AbstractSinglePropertyField
getSynchronizationRegistration, hasValidValue, setPresentationValue, setSynchronizedEvent
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Methods inherited from class com.vaadin.flow.component.AbstractField
addValueChangeListener, getEmptyValue, getValue, isEmpty, setModelValue, setValue
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Methods inherited from class com.vaadin.flow.component.Component
addListener, fireEvent, from, get, getChildren, getElement, getEventBus, getId, getLocale, getParent, getTranslation, getTranslation, getUI, hasListener, isAttached, isTemplateMapped, isVisible, set, setElement, setId, setVisible
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.vaadin.flow.component.HasValueAndElement
isReadOnly, isRequiredIndicatorVisible, setReadOnly, setRequiredIndicatorVisible
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Methods inherited from interface com.vaadin.flow.component.HasValue
addValueChangeListener, clear, getEmptyValue, getOptionalValue, getValue, isEmpty, setValue
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Methods inherited from interface com.vaadin.flow.component.HasEnabled
isEnabled, setEnabled
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Methods inherited from interface com.vaadin.flow.component.HasElement
getElement
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Methods inherited from interface com.vaadin.flow.data.binder.HasItemComponents
addComponents, getItemPosition, prependComponents
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Methods inherited from interface com.vaadin.flow.component.HasComponents
add, add, addComponentAsFirst, addComponentAtIndex, remove, removeAll
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Methods inherited from interface com.vaadin.flow.component.HasSize
getCssSize, getHeight, getHeightUnit, getMaxHeight, getMaxWidth, getMinHeight, getMinWidth, getWidth, getWidthUnit, setHeight, setHeight, setHeightFull, setMaxHeight, setMaxHeight, setMaxWidth, setMaxWidth, setMinHeight, setMinHeight, setMinWidth, setMinWidth, setSizeFull, setSizeUndefined, setWidth, setWidth, setWidthFull
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Methods inherited from interface com.vaadin.flow.data.provider.HasListDataView
setItems, setItems
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Methods inherited from interface com.vaadin.flow.component.AttachNotifier
addAttachListener
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Methods inherited from interface com.vaadin.flow.component.DetachNotifier
addDetachListener
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Method Detail
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valueEquals
protected boolean valueEquals(T value1, T value2)Compares two value instances to each other to determine whether they are equal. Equality is used to determine whether to update internal state and fire an event when
AbstractField.setValue(Object)orAbstractField.setModelValue(Object, boolean)is called. Subclasses can override this method to define an alternative comparison method instead ofObject.equals(Object).Overrides:
valueEqualsin classAbstractField<ListBox<T>,T>Parameters:
value1- the first instancevalue2- the second instanceReturns:
trueif the instances are equal; otherwisefalse
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