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

java.lang.Object
  extended by com.google.gwt.user.client.ui.UIObject
      extended by com.google.gwt.user.client.ui.Widget
          extended by com.google.gwt.user.client.ui.FocusWidget
              extended by com.google.gwt.user.client.ui.ValueBoxBase<T>
                  extended by 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
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
 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.dom.client.HasKeyUpHandlers
addKeyUpHandler
 
Methods inherited from interface com.google.gwt.event.shared.HasHandlers
fireEvent
 

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
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