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com.google.gwt.user.client.ui
Class FocusPanel

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.Panel
              extended by com.google.gwt.user.client.ui.SimplePanel
                  extended by com.google.gwt.user.client.ui.FocusPanel
All Implemented Interfaces:
HasAllFocusHandlers, HasAllKeyHandlers, HasAllMouseHandlers, HasBlurHandlers, HasClickHandlers, HasFocusHandlers, HasKeyDownHandlers, HasKeyPressHandlers, HasKeyUpHandlers, HasMouseDownHandlers, HasMouseMoveHandlers, HasMouseOutHandlers, HasMouseOverHandlers, HasMouseUpHandlers, HasMouseWheelHandlers, HasHandlers, EventListener, Focusable, HasFocus, HasWidgets, SourcesClickEvents, SourcesFocusEvents, SourcesKeyboardEvents, SourcesMouseEvents, SourcesMouseWheelEvents, java.lang.Iterable<Widget>
public class FocusPanel
extends SimplePanel
implements HasFocus, SourcesClickEvents, SourcesMouseEvents, SourcesMouseWheelEvents, HasAllMouseHandlers, HasClickHandlers, HasAllKeyHandlers, HasAllFocusHandlers

A simple panel that makes its contents focusable, and adds the ability to catch mouse and keyboard events.

Nested Class Summary
 
Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject
UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled
 
Field Summary
 
Fields inherited from class com.google.gwt.user.client.ui.UIObject
DEBUG_ID_PREFIX
 
Constructor Summary
FocusPanel()
           
FocusPanel(Widget child)
           
 
Method Summary
 HandlerRegistration addBlurHandler(BlurHandler handler)
          Adds a BlurEvent handler.
 HandlerRegistration addClickHandler(ClickHandler handler)
          Adds a ClickEvent handler.
 void addClickListener(ClickListener listener)
          Deprecated. Use addClickHandler(com.google.gwt.event.dom.client.ClickHandler) instead
 HandlerRegistration addFocusHandler(FocusHandler handler)
          Adds a FocusEvent handler.
 void addFocusListener(FocusListener listener)
          Deprecated. Use addFocusHandler(com.google.gwt.event.dom.client.FocusHandler) instead
 void addKeyboardListener(KeyboardListener listener)
          Deprecated. Use addKeyDownHandler(com.google.gwt.event.dom.client.KeyDownHandler), addKeyUpHandler(com.google.gwt.event.dom.client.KeyUpHandler) and addKeyPressHandler(com.google.gwt.event.dom.client.KeyPressHandler) instead
 HandlerRegistration addKeyDownHandler(KeyDownHandler handler)
          Adds a KeyDownEvent handler.
 HandlerRegistration addKeyPressHandler(KeyPressHandler handler)
          Adds a KeyPressEvent handler.
 HandlerRegistration addKeyUpHandler(KeyUpHandler handler)
          Adds a KeyUpEvent handler.
 HandlerRegistration addMouseDownHandler(MouseDownHandler handler)
          Adds a MouseDownEvent handler.
 void addMouseListener(MouseListener listener)
          Deprecated. Use addMouseOverHandler(com.google.gwt.event.dom.client.MouseOverHandler), addMouseMoveHandler(com.google.gwt.event.dom.client.MouseMoveHandler), addMouseDownHandler(com.google.gwt.event.dom.client.MouseDownHandler), addMouseUpHandler(com.google.gwt.event.dom.client.MouseUpHandler) and addMouseOutHandler(com.google.gwt.event.dom.client.MouseOutHandler) instead
 HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler)
          Adds a MouseMoveEvent handler.
 HandlerRegistration addMouseOutHandler(MouseOutHandler handler)
          Adds a MouseOutEvent handler.
 HandlerRegistration addMouseOverHandler(MouseOverHandler handler)
          Adds a MouseOverEvent handler.
 HandlerRegistration addMouseUpHandler(MouseUpHandler handler)
          Adds a MouseUpEvent handler.
 HandlerRegistration addMouseWheelHandler(MouseWheelHandler handler)
          Adds a MouseWheelEvent handler.
 void addMouseWheelListener(MouseWheelListener listener)
          Deprecated. Use addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler) instead
 int getTabIndex()
          Gets the widget's position in the tab index.
 void removeClickListener(ClickListener listener)
          Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addClickHandler(com.google.gwt.event.dom.client.ClickHandler) instead
 void removeFocusListener(FocusListener listener)
          Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addFocusHandler(com.google.gwt.event.dom.client.FocusHandler) instead
 void removeKeyboardListener(KeyboardListener listener)
          Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by an add*Handler method instead
 void removeMouseListener(MouseListener listener)
          Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by an add*Handler method instead
 void removeMouseWheelListener(MouseWheelListener listener)
          Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler) instead
 void setAccessKey(char key)
          Sets the widget's 'access key'.
 void setFocus(boolean focused)
          Explicitly focus/unfocus this widget.
 void setTabIndex(int index)
          Sets the widget's position in the tab index.
 
Methods inherited from class com.google.gwt.user.client.ui.SimplePanel
add, getContainerElement, getWidget, iterator, remove, setWidget
 
Methods inherited from class com.google.gwt.user.client.ui.Panel
adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, onLoad, onUnload, orphan
 
Methods inherited from class com.google.gwt.user.client.ui.Widget
addDomHandler, addHandler, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, removeFromParent, setLayoutData, sinkEvents
 
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, setElement, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, toString, unsinkEvents
 
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
 

Constructor Detail

FocusPanel

public FocusPanel()

FocusPanel

public FocusPanel(Widget child)
Method Detail

addBlurHandler

public HandlerRegistration addBlurHandler(BlurHandler handler)
Description copied from interface: HasBlurHandlers
Adds a BlurEvent handler.

Specified by:
addBlurHandler in interface HasBlurHandlers
Parameters:
handler - the blur handler
Returns:
HandlerRegistration used to remove this handler

addClickHandler

public HandlerRegistration addClickHandler(ClickHandler handler)
Description copied from interface: HasClickHandlers
Adds a ClickEvent handler.

Specified by:
addClickHandler in interface HasClickHandlers
Parameters:
handler - the click handler
Returns:
HandlerRegistration used to remove this handler

addClickListener

@Deprecated
public void addClickListener(ClickListener listener)
Deprecated. Use addClickHandler(com.google.gwt.event.dom.client.ClickHandler) instead

Description copied from interface: SourcesClickEvents
Adds a listener interface to receive click events.

Specified by:
addClickListener in interface SourcesClickEvents
Parameters:
listener - the listener interface to add

addFocusHandler

public HandlerRegistration addFocusHandler(FocusHandler handler)
Description copied from interface: HasFocusHandlers
Adds a FocusEvent handler.

Specified by:
addFocusHandler in interface HasFocusHandlers
Parameters:
handler - the focus handler
Returns:
HandlerRegistration used to remove this handler

addFocusListener

@Deprecated
public void addFocusListener(FocusListener listener)
Deprecated. Use addFocusHandler(com.google.gwt.event.dom.client.FocusHandler) instead

Description copied from interface: SourcesFocusEvents
Adds a listener interface to receive focus events.

Specified by:
addFocusListener in interface SourcesFocusEvents
Parameters:
listener - the listener interface to add

addKeyboardListener

@Deprecated
public void addKeyboardListener(KeyboardListener listener)
Deprecated. Use addKeyDownHandler(com.google.gwt.event.dom.client.KeyDownHandler), addKeyUpHandler(com.google.gwt.event.dom.client.KeyUpHandler) and addKeyPressHandler(com.google.gwt.event.dom.client.KeyPressHandler) instead

Description copied from interface: SourcesKeyboardEvents
Adds a listener interface to receive keyboard events.

Specified by:
addKeyboardListener in interface SourcesKeyboardEvents
Parameters:
listener - the listener interface to add

addKeyDownHandler

public HandlerRegistration addKeyDownHandler(KeyDownHandler handler)
Description copied from interface: HasKeyDownHandlers
Adds a KeyDownEvent handler.

Specified by:
addKeyDownHandler in interface HasKeyDownHandlers
Parameters:
handler - the key down handler
Returns:
HandlerRegistration used to remove this handler

addKeyPressHandler

public HandlerRegistration addKeyPressHandler(KeyPressHandler handler)
Description copied from interface: HasKeyPressHandlers
Adds a KeyPressEvent handler.

Specified by:
addKeyPressHandler in interface HasKeyPressHandlers
Parameters:
handler - the key press handler
Returns:
HandlerRegistration used to remove this handler

addKeyUpHandler

public HandlerRegistration addKeyUpHandler(KeyUpHandler handler)
Description copied from interface: HasKeyUpHandlers
Adds a KeyUpEvent handler.

Specified by:
addKeyUpHandler in interface HasKeyUpHandlers
Parameters:
handler - the key up handler
Returns:
HandlerRegistration used to remove this handler

addMouseDownHandler

public HandlerRegistration addMouseDownHandler(MouseDownHandler handler)
Description copied from interface: HasMouseDownHandlers
Adds a MouseDownEvent handler.

Specified by:
addMouseDownHandler in interface HasMouseDownHandlers
Parameters:
handler - the mouse down handler
Returns:
HandlerRegistration used to remove this handler

addMouseListener

@Deprecated
public void addMouseListener(MouseListener listener)
Deprecated. Use addMouseOverHandler(com.google.gwt.event.dom.client.MouseOverHandler), addMouseMoveHandler(com.google.gwt.event.dom.client.MouseMoveHandler), addMouseDownHandler(com.google.gwt.event.dom.client.MouseDownHandler), addMouseUpHandler(com.google.gwt.event.dom.client.MouseUpHandler) and addMouseOutHandler(com.google.gwt.event.dom.client.MouseOutHandler) instead

Description copied from interface: SourcesMouseEvents
Adds a listener interface to receive mouse events.

Specified by:
addMouseListener in interface SourcesMouseEvents
Parameters:
listener - the listener interface to add

addMouseMoveHandler

public HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler)
Description copied from interface: HasMouseMoveHandlers
Adds a MouseMoveEvent handler.

Specified by:
addMouseMoveHandler in interface HasMouseMoveHandlers
Parameters:
handler - the mouse move handler
Returns:
HandlerRegistration used to remove this handler

addMouseOutHandler

public HandlerRegistration addMouseOutHandler(MouseOutHandler handler)
Description copied from interface: HasMouseOutHandlers
Adds a MouseOutEvent handler.

Specified by:
addMouseOutHandler in interface HasMouseOutHandlers
Parameters:
handler - the mouse out handler
Returns:
HandlerRegistration used to remove this handler

addMouseOverHandler

public HandlerRegistration addMouseOverHandler(MouseOverHandler handler)
Description copied from interface: HasMouseOverHandlers
Adds a MouseOverEvent handler.

Specified by:
addMouseOverHandler in interface HasMouseOverHandlers
Parameters:
handler - the mouse over handler
Returns:
HandlerRegistration used to remove this handler

addMouseUpHandler

public HandlerRegistration addMouseUpHandler(MouseUpHandler handler)
Description copied from interface: HasMouseUpHandlers
Adds a MouseUpEvent handler.

Specified by:
addMouseUpHandler in interface HasMouseUpHandlers
Parameters:
handler - the mouse up handler
Returns:
HandlerRegistration used to remove this handler

addMouseWheelHandler

public HandlerRegistration addMouseWheelHandler(MouseWheelHandler handler)
Description copied from interface: HasMouseWheelHandlers
Adds a MouseWheelEvent handler.

Specified by:
addMouseWheelHandler in interface HasMouseWheelHandlers
Parameters:
handler - the mouse wheel handler
Returns:
HandlerRegistration used to remove this handler

addMouseWheelListener

@Deprecated
public void addMouseWheelListener(MouseWheelListener listener)
Deprecated. Use addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler) instead

Description copied from interface: SourcesMouseWheelEvents
Adds a listener interface to receive mouse events.

Specified by:
addMouseWheelListener in interface SourcesMouseWheelEvents
Parameters:
listener - the listener interface to add

getTabIndex

public int getTabIndex()
Description copied from interface: Focusable
Gets the widget's position in the tab index.

Specified by:
getTabIndex in interface Focusable
Returns:
the widget's tab index

removeClickListener

@Deprecated
public void removeClickListener(ClickListener listener)
Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addClickHandler(com.google.gwt.event.dom.client.ClickHandler) instead

Description copied from interface: SourcesClickEvents
Removes a previously added listener interface.

Specified by:
removeClickListener in interface SourcesClickEvents
Parameters:
listener - the listener interface to remove

removeFocusListener

@Deprecated
public void removeFocusListener(FocusListener listener)
Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addFocusHandler(com.google.gwt.event.dom.client.FocusHandler) instead

Description copied from interface: SourcesFocusEvents
Removes a previously added listener interface.

Specified by:
removeFocusListener in interface SourcesFocusEvents
Parameters:
listener - the listener interface to remove

removeKeyboardListener

@Deprecated
public void removeKeyboardListener(KeyboardListener listener)
Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by an add*Handler method instead

Description copied from interface: SourcesKeyboardEvents
Removes a previously added listener interface.

Specified by:
removeKeyboardListener in interface SourcesKeyboardEvents
Parameters:
listener - the listener interface to remove

removeMouseListener

@Deprecated
public void removeMouseListener(MouseListener listener)
Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by an add*Handler method instead

Description copied from interface: SourcesMouseEvents
Removes a previously added listener interface.

Specified by:
removeMouseListener in interface SourcesMouseEvents
Parameters:
listener - the listener interface to remove

removeMouseWheelListener

@Deprecated
public void removeMouseWheelListener(MouseWheelListener listener)
Deprecated. Use the HandlerRegistration.removeHandler() method on the object returned by addMouseWheelHandler(com.google.gwt.event.dom.client.MouseWheelHandler) instead

Description copied from interface: SourcesMouseWheelEvents
Removes a previously added listener interface.

Specified by:
removeMouseWheelListener in interface SourcesMouseWheelEvents
Parameters:
listener - the listener interface to remove

setAccessKey

public void setAccessKey(char key)
Description copied from interface: Focusable
Sets the widget's 'access key'. This key is used (in conjunction with a browser-specific modifier key) to automatically focus the widget.

Specified by:
setAccessKey in interface Focusable
Parameters:
key - the widget's access key

setFocus

public void setFocus(boolean focused)
Description copied from interface: Focusable
Explicitly focus/unfocus this widget. Only one widget can have focus at a time, and the widget that does will receive all keyboard events.

Specified by:
setFocus in interface Focusable
Parameters:
focused - whether this widget should take focus or release it

setTabIndex

public void setTabIndex(int index)
Description copied from interface: Focusable
Sets the widget's position in the tab index. If more than one widget has the same tab index, each such widget will receive focus in an arbitrary order. Setting the tab index to -1 will cause this widget to be removed from the tab order.

Specified by:
setTabIndex in interface Focusable
Parameters:
index - the widget's tab index
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