Package org.apache.batik.bridge

Class FocusManager

java.lang.Object

org.apache.batik.bridge.FocusManager

Direct Known Subclasses:

SVG12FocusManager

public class FocusManager
extends java.lang.Object

A class that manages focus on elements.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
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.MouseClickTracker	The class that is responsible for tracking 'mouseclick' changes.
protected class	FocusManager.MouseOutTracker	The class that is responsible to update the focus according to 'mouseout' event.
protected class	FocusManager.MouseOverTracker	The class that is responsible to update the focus according to 'mouseover' event.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.w3c.dom.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

Constructors

Constructor	Description
FocusManager(org.w3c.dom.Document doc)	Constructs a new FocusManager for the specified document.

Method Summary

Modifier and Type	Method	Description
protected void	addEventListeners(org.w3c.dom.Document doc)	Adds the event listeners to the document.
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, EventTarget relatedTarget)	Fires a 'DOMFocusIn' event to the specified target.
protected void	fireDOMFocusOutEvent(EventTarget target, EventTarget relatedTarget)	Fires a 'DOMFocusOut' event to the specified target.
EventTarget	getCurrentEventTarget()	Returns the current element that has the focus or null if any.
protected void	removeEventListeners(org.w3c.dom.Document doc)	Removes the event listeners from the document.

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 org.w3c.dom.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(org.w3c.dom.Document doc)

Constructs a new FocusManager for the specified document.

Parameters:

doc - the document

Method Detail

addEventListeners

protected void addEventListeners(org.w3c.dom.Document doc)

Adds the event listeners to the document.

removeEventListeners

protected void removeEventListeners(org.w3c.dom.Document doc)

Removes the event listeners from the document.

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,
                                   EventTarget relatedTarget)

Fires a 'DOMFocusIn' event to the specified target.

Parameters:

target - the newly focussed event target

relatedTarget - the previously focussed event target

fireDOMFocusOutEvent

protected void fireDOMFocusOutEvent(EventTarget target,
                                    EventTarget relatedTarget)

Fires a 'DOMFocusOut' event to the specified target.

Parameters:

target - the previously focussed event target

relatedTarget - the newly focussed 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