org.apache.batik.bridge
Class FocusManager

java.lang.Object
  |
  +--org.apache.batik.bridge.FocusManager

public class FocusManager

extends java.lang.Object

A class that manages focus on elements.

Inner Class Summary

protected class	FocusManager.DOMFocusInTracker The class that is responsible for tracking 'DOMFocusIn' changes.
protected class	FocusManager.DOMFocusOutTracker The class that is responsible for tracking 'DOMFocusOut' changes.
protected class	FocusManager.MouseClickTacker The class that is responsible for tracking 'mouseclick' changes.
protected class	FocusManager.MouseOutTacker The class that is responsible to update the focus according to 'mouseout' event.
protected class	FocusManager.MouseOverTacker The class that is responsible to update the focus according to 'mouseover' event.

Field Summary

protected Document	document The document.
protected EventListener	domFocusInListener The EventListener that tracks 'DOMFocusIn' events.
protected EventListener	domFocusOutListener The EventListener that tracks 'DOMFocusOut' events.
protected EventTarget	lastFocusEventTarget The element that has the focus so far.
protected EventListener	mouseclickListener The EventListener that tracks 'mouseclick' events.
protected EventListener	mouseoutListener The EventListener that tracks 'mouseout' events.
protected EventListener	mouseoverListener The EventListener that tracks 'mouseover' events.

Constructor Summary

FocusManager(Document doc)
Constructs a new FocusManager for the specified document.

Method Summary

void	dispose() Removes all listeners attached to the document and that manage focus.
protected void	fireDOMActivateEvent(EventTarget target, int detailArg) Fires a 'DOMActivate' event to the specified target.
protected void	fireDOMFocusInEvent(EventTarget target) Fires a 'DOMFocusIn' event to the specified target.
protected void	fireDOMFocusOutEvent(EventTarget target) Fires a 'DOMFocusOut' event to the specified target.
EventTarget	getCurrentEventTarget() Returns the current element that has the focus or null if any.

Methods inherited from class java.lang.Object

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

Field Detail

lastFocusEventTarget

protected EventTarget lastFocusEventTarget

The element that has the focus so far.

document

protected Document document

The document.

mouseclickListener

protected EventListener mouseclickListener

The EventListener that tracks 'mouseclick' events.

domFocusInListener

protected EventListener domFocusInListener

The EventListener that tracks 'DOMFocusIn' events.

domFocusOutListener

protected EventListener domFocusOutListener

The EventListener that tracks 'DOMFocusOut' events.

mouseoverListener

protected EventListener mouseoverListener

The EventListener that tracks 'mouseover' events.

mouseoutListener

protected EventListener mouseoutListener

The EventListener that tracks 'mouseout' events.

Constructor Detail

FocusManager

public FocusManager(Document doc)

Constructs a new FocusManager for the specified document.

Parameters:

doc - the document

Method Detail

getCurrentEventTarget

public EventTarget getCurrentEventTarget()

Returns the current element that has the focus or null if any.

dispose

public void dispose()

Removes all listeners attached to the document and that manage focus.

fireDOMFocusInEvent

protected void fireDOMFocusInEvent(EventTarget target)

Fires a 'DOMFocusIn' event to the specified target.

Parameters:

target - the event target

fireDOMFocusOutEvent

protected void fireDOMFocusOutEvent(EventTarget target)

Fires a 'DOMFocusOut' event to the specified target.

Parameters:

target - the event target

fireDOMActivateEvent

protected void fireDOMActivateEvent(EventTarget target,
                                    int detailArg)

Fires a 'DOMActivate' event to the specified target.

Parameters:

target - the event target

detailArg - the detailArg parameter of the event