TextBoxBase (GWT Javadoc)

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## com.google.gwt.user.client.ui
Class TextBoxBase

    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<java.lang.String>
                      com.google.gwt.user.client.ui.TextBoxBase

All Implemented Interfaces:
  IsEditor<ValueBoxEditor<java.lang.String>>, 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<java.lang.String>, HasHandlers, AutoDirectionHandler.Target, HasDirection, HasDirectionEstimator, EventListener, TakesValue<java.lang.String>, Focusable, HasEnabled, HasFocus, HasName, HasText, HasValue<java.lang.String>, HasVisibility, IsWidget, SourcesChangeEvents, SourcesClickEvents, SourcesFocusEvents, SourcesKeyboardEvents, SourcesMouseEvents

Direct Known Subclasses:
  TextArea, TextBox

    public class TextBoxBase

extends ValueBoxBase<java.lang.String>
implements SourcesChangeEvents

Abstract base class for most text entry widgets.

The names of the static members of `TextBoxBase`, as well as simple alignment names (`left`, `center`, `right`, `justify`), can be used as values for a `textAlignment` attribute.

For example,

     <g:TextBox textAlignment='ALIGN_RIGHT'/>
     <g:TextBox textAlignment='right'/>

Nested Class Summary
`static class` | `TextBoxBase.TextAlignConstant` Deprecated. use `ValueBoxBase.setAlignment(ValueBoxBase.TextAlignment)`

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
`static TextBoxBase.TextAlignConstant` | `ALIGN_CENTER` Center the text.
`static TextBoxBase.TextAlignConstant` | `ALIGN_JUSTIFY` Justify the text.
`static TextBoxBase.TextAlignConstant` | `ALIGN_LEFT` Align the text to the left edge.
`static TextBoxBase.TextAlignConstant` | `ALIGN_RIGHT` Align the text to the right.

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` | `TextBoxBase(Element elem)` Creates a text box that wraps the given browser element handle.

Method Summary
`void` | `addChangeListener(ChangeListener listener)` Deprecated. Use `ValueBoxBase.addChangeHandler(com.google.gwt.event.dom.client.ChangeHandler)` instead
`java.lang.String` | `getValue()` Overridden to return "" from an empty text box.
`void` | `setTextAlignment(TextBoxBase.TextAlignConstant align)` Deprecated. use `ValueBoxBase.setAlignment(TextAlignment)`

Methods inherited from class com.google.gwt.user.client.ui.ValueBoxBase
`addChangeHandler, addValueChangeHandler, asEditor, cancelKey, getCursorPos, getDirection, getDirectionEstimator, getImpl, getName, getSelectedText, getSelectionLength, getText, 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.user.client.ui.SourcesChangeEvents
`removeChangeListener`

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

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

Field Detail

### ALIGN_CENTER

    public static final TextBoxBase.TextAlignConstant ALIGN_CENTER

  Center the text.

### ALIGN_JUSTIFY

    public static final TextBoxBase.TextAlignConstant ALIGN_JUSTIFY

  Justify the text.

### ALIGN_LEFT

    public static final TextBoxBase.TextAlignConstant ALIGN_LEFT

  Align the text to the left edge.

### ALIGN_RIGHT

    public static final TextBoxBase.TextAlignConstant ALIGN_RIGHT

  Align the text to the right.

Constructor Detail

### TextBoxBase

    protected TextBoxBase(Element elem)

  Creates a text box that wraps the given browser element handle. This is only used by subclasses.

  Parameters:
    `elem` - the browser element to wrap

Method Detail

### addChangeListener

    @Deprecated
    public void addChangeListener(ChangeListener listener)

  Deprecated. Use `ValueBoxBase.addChangeHandler(com.google.gwt.event.dom.client.ChangeHandler)` instead

  Description copied from interface: `SourcesChangeEvents`
  Adds a listener interface to receive change events.

  Specified by:
    `addChangeListener` in interface `SourcesChangeEvents`
  Parameters:
    `listener` - the listener interface to add

### getValue

    public java.lang.String getValue()

  Overridden to return "" from an empty text box.

  Specified by:
    `getValue` in interface `TakesValue<java.lang.String>`
  Specified by:
    `getValue` in interface `HasValue<java.lang.String>`
  Overrides:
    `getValue` in class `ValueBoxBase<java.lang.String>`
  Returns:
    the object's value
  See Also:
    `TakesValue.setValue(V)`

### setTextAlignment

    @Deprecated
    public void setTextAlignment(TextBoxBase.TextAlignConstant align)

  Deprecated. use `ValueBoxBase.setAlignment(TextAlignment)`

  Legacy wrapper for `ValueBoxBase.setAlignment(TextAlignment)`.

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