org.eclipse.swt.events
Class TreeEvent

java.lang.Object
  Event
      org.eclipse.swt.events.TypedEvent
          org.eclipse.swt.events.SelectionEvent
              org.eclipse.swt.events.TreeEvent

public final class TreeEvent

extends SelectionEvent

Instances of this class are sent as a result of trees being expanded and collapsed.

IMPORTANT: All public static members of this class are not part of the RWT public API. They are marked public only so that they can be shared within the packages provided by RWT. They should never be accessed from application code.

See Also:

TreeListener, Serialized Form

Field Summary

static int	TREE_COLLAPSED
static int	TREE_EXPANDED

Fields inherited from class org.eclipse.swt.events.SelectionEvent

detail, doit, height, item, stateMask, text, WIDGET_DEFAULT_SELECTED, WIDGET_SELECTED, width, x, y

Fields inherited from class org.eclipse.swt.events.TypedEvent

data, display, widget

Constructor Summary

TreeEvent(Event event)
Constructs a new instance of this class based on the information in the given untyped event.

TreeEvent(Widget widget, Widget item, int id)
Constructs a new instance of this class.

Method Summary

static void	addListener(Adaptable adaptable, TreeListener listener)
protected boolean	allowProcessing()
protected void	dispatchToObserver(Object listener)
static Object[]	getListeners(Adaptable adaptable)
protected Class	getListenerType()
static boolean	hasListener(Adaptable adaptable)
static void	removeListener(Adaptable adaptable, TreeListener listener)

Methods inherited from class org.eclipse.swt.events.SelectionEvent

addListener, removeListener, toString

Methods inherited from class org.eclipse.swt.events.TypedEvent

executeNext, getSource, processEvent, processScheduledEvents

Methods inherited from class java.lang.Object

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

Field Detail

TREE_EXPANDED

public static final int TREE_EXPANDED

See Also:

Constant Field Values

TREE_COLLAPSED

public static final int TREE_COLLAPSED

See Also:

Constant Field Values

Constructor Detail

TreeEvent

public TreeEvent(Event event)

Constructs a new instance of this class based on the information in the given untyped event.

Parameters:

event - the untyped event containing the information

TreeEvent

public TreeEvent(Widget widget,
                 Widget item,
                 int id)

Constructs a new instance of this class.

IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.

Method Detail

dispatchToObserver

protected void dispatchToObserver(Object listener)

Overrides:

dispatchToObserver in class SelectionEvent

getListenerType

protected Class getListenerType()

Overrides:

getListenerType in class SelectionEvent

allowProcessing

protected boolean allowProcessing()

Overrides:

allowProcessing in class SelectionEvent

addListener

public static void addListener(Adaptable adaptable,
                               TreeListener listener)

removeListener

public static void removeListener(Adaptable adaptable,
                                  TreeListener listener)

hasListener

public static boolean hasListener(Adaptable adaptable)

getListeners

public static Object[] getListeners(Adaptable adaptable)