T - the value typepublic class ValueListBox<T> extends Composite implements HasConstrainedValue<T>, IsEditor<TakesValueEditor<T>>
HasConstrainedValue based on a
SelectElement.
A Renderer is used to get user-presentable strings to
display in the select element.
UIObject.DebugIdImpl, UIObject.DebugIdImplEnabledeventsToSinkDEBUG_ID_PREFIX, MISSING_ELEMENT_ERROR, SETELEMENT_TWICE_ERROR| Constructor and Description |
|---|
ValueListBox(Renderer<T> renderer) |
ValueListBox(Renderer<T> renderer,
ProvidesKey<T> keyProvider) |
| Modifier and Type | Method and Description |
|---|---|
HandlerRegistration |
addValueChangeHandler(ValueChangeHandler<T> handler)
Adds a
ValueChangeEvent handler. |
TakesValueEditor<T> |
asEditor()
Returns a
TakesValueEditor backed by the ValueListBox. |
T |
getValue()
Gets this object's value.
|
void |
setAcceptableValues(java.util.Collection<T> newValues)
Set the acceptable values.
|
void |
setValue(T value)
Set the value and display it in the select element.
|
void |
setValue(T value,
boolean fireEvents)
Sets this object's value.
|
claimElement, getWidget, initializeClaimedElement, initWidget, isAttached, onAttach, onBrowserEvent, onDetach, render, render, resolvePotentialElement, setWidgetaddAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, ensureHandlers, fireEvent, getHandlerCount, getHandlerManager, getLayoutData, getParent, isOrWasAttached, onLoad, onUnload, removeFromParent, replaceElement, setLayoutData, setParent, sinkEventsaddStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEventsclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitfireEventpublic ValueListBox(Renderer<T> renderer, ProvidesKey<T> keyProvider)
public HandlerRegistration addValueChangeHandler(ValueChangeHandler<T> handler)
HasValueChangeHandlersValueChangeEvent handler.addValueChangeHandler in interface HasValueChangeHandlers<T>handler - the handlerpublic TakesValueEditor<T> asEditor()
TakesValueEditor backed by the ValueListBox.asEditor in interface IsEditor<TakesValueEditor<T>>Editor of type Epublic T getValue()
HasValuegetValue in interface TakesValue<T>getValue in interface HasValue<T>TakesValue.setValue(V)public void setAcceptableValues(java.util.Collection<T> newValues)
HasConstrainedValuesetAcceptableValues in interface HasConstrainedValue<T>newValues - the acceptible valuespublic void setValue(T value)
setValue in interface TakesValue<T>setValue in interface HasValue<T>value - the object's new valueTakesValue.getValue()public void setValue(T value, boolean fireEvents)
HasValueValueChangeEvent when
fireEvents is true and the new value does not equal the existing value.
It is acceptable to fail assertions or throw (documented) unchecked exceptions in response to bad values.