Package com.google.gwt.user.client.ui

Class ValueBox<T>

java.lang.Object

com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.Widget

com.google.gwt.user.client.ui.FocusWidget

com.google.gwt.user.client.ui.ValueBoxBase<T>

com.google.gwt.user.client.ui.ValueBox<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

IsEditor<ValueBoxEditor<T>>, HasAllDragAndDropHandlers, HasAllFocusHandlers, HasAllGestureHandlers, HasAllKeyHandlers, HasAllMouseHandlers, HasAllTouchHandlers, HasBlurHandlers, HasChangeHandlers, HasClickHandlers, HasDoubleClickHandlers, HasDragEndHandlers, HasDragEnterHandlers, HasDragHandlers, HasDragLeaveHandlers, HasDragOverHandlers, HasDragStartHandlers, HasDropHandlers, HasFocusHandlers, HasGestureChangeHandlers, HasGestureEndHandlers, HasGestureStartHandlers, HasKeyDownHandlers, HasKeyPressHandlers, HasKeyUpHandlers, HasMouseDownHandlers, HasMouseMoveHandlers, HasMouseOutHandlers, HasMouseOverHandlers, HasMouseUpHandlers, HasMouseWheelHandlers, HasTouchCancelHandlers, HasTouchEndHandlers, HasTouchMoveHandlers, HasTouchStartHandlers, HasAttachHandlers, HasValueChangeHandlers<T>, HasHandlers, AutoDirectionHandler.Target, HasDirection, HasDirectionEstimator, EventListener, TakesValue<T>, Focusable, HasEnabled, HasFocus, HasName, HasText, HasValue<T>, HasVisibility, IsWidget, SourcesClickEvents, SourcesFocusEvents, SourcesKeyboardEvents, SourcesMouseEvents

Direct Known Subclasses:

DoubleBox, IntegerBox, LongBox

public class ValueBox<T>
extends ValueBoxBase<T>

A text box able to parse its displayed value.

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.ValueBoxBase

ValueBoxBase.TextAlignment

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled

Nested classes/interfaces inherited from interface com.google.gwt.i18n.client.HasDirection

HasDirection.Direction

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.Widget

eventsToSink

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX, MISSING_ELEMENT_ERROR, SETELEMENT_TWICE_ERROR

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ValueBox(Element element, Renderer<T> renderer, Parser<T> parser)	This constructor may be used by subclasses to explicitly use an existing element.

Method Summary

Modifier and Type	Method	Description
int	getMaxLength()	Gets the maximum allowable length.
int	getVisibleLength()	Gets the number of visible characters.
void	setMaxLength(int length)	Sets the maximum allowable length.
void	setVisibleLength(int length)	Sets the number of visible characters.
static <T> ValueBox<T>	wrap(Element element, Renderer<T> renderer, Parser<T> parser)	Creates a ValueBox widget that wraps an existing <input type='text'> element.

Methods inherited from class com.google.gwt.user.client.ui.ValueBoxBase

addChangeHandler, addValueChangeHandler, asEditor, cancelKey, getCursorPos, getDirection, getDirectionEstimator, getImpl, getName, getSelectedText, getSelectionLength, getText, getValue, getValueOrThrow, isReadOnly, onBrowserEvent, onLoad, removeChangeListener, selectAll, setAlignment, setCursorPos, setDirection, setDirectionEstimator, setDirectionEstimator, setKey, setName, setReadOnly, setSelectionRange, setText, setValue, setValue

Methods inherited from class com.google.gwt.user.client.ui.FocusWidget

addBlurHandler, addClickHandler, addClickListener, addDoubleClickHandler, addDragEndHandler, addDragEnterHandler, addDragHandler, addDragLeaveHandler, addDragOverHandler, addDragStartHandler, addDropHandler, addFocusHandler, addFocusListener, addGestureChangeHandler, addGestureEndHandler, addGestureStartHandler, addKeyboardListener, addKeyDownHandler, addKeyPressHandler, addKeyUpHandler, addMouseDownHandler, addMouseListener, addMouseMoveHandler, addMouseOutHandler, addMouseOverHandler, addMouseUpHandler, addMouseWheelHandler, addMouseWheelListener, addTouchCancelHandler, addTouchEndHandler, addTouchMoveHandler, addTouchStartHandler, getFocusImpl, getTabIndex, isEnabled, onAttach, removeClickListener, removeFocusListener, removeKeyboardListener, removeMouseListener, removeMouseWheelListener, setAccessKey, setEnabled, setFocus, setTabIndex

Methods inherited from class com.google.gwt.user.client.ui.Widget

addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, ensureHandlers, fireEvent, getHandlerCount, getHandlerManager, getLayoutData, getParent, isAttached, isOrWasAttached, onDetach, onUnload, removeFromParent, replaceElement, setLayoutData, setParent, sinkEvents, unsinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Methods inherited from interface com.google.gwt.event.dom.client.HasKeyUpHandlers

addKeyUpHandler

Constructor Detail

ValueBox

protected ValueBox(Element element,
                   Renderer<T> renderer,
                   Parser<T> parser)

This constructor may be used by subclasses to explicitly use an existing element. This element must be an <input> element whose type is 'text'.

Parameters:

element - the element to be used

Method Detail

wrap

public static <T> ValueBox<T> wrap(Element element,
                                   Renderer<T> renderer,
                                   Parser<T> parser)

Creates a ValueBox widget that wraps an existing <input type='text'> element. This element must already be attached to the document. If the element is removed from the document, you must call RootPanel.detachNow(Widget).

Parameters:

element - the element to be wrapped

getMaxLength

public int getMaxLength()

Gets the maximum allowable length.

Returns:

the maximum length, in characters

getVisibleLength

public int getVisibleLength()

Gets the number of visible characters.

Returns:

the number of visible characters

setMaxLength

public void setMaxLength(int length)

Sets the maximum allowable length.

Parameters:

length - the maximum length, in characters

setVisibleLength

public void setVisibleLength(int length)

Sets the number of visible characters.

Parameters:

length - the number of visible characters