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Eclipse GEF
3.3

org.eclipse.gef
Interface Handle

All Known Implementing Classes:
AbstractHandle

public interface Handle

An interface used by the SelectionTool to obtain a DragTracker. A GraphicalViewer will return a Handle at a given location. The SelectionTool looks for Handles first whenever the User presses the mouse button. If a Handle is found, it usually offers a DragTracker, although null can also be returned.

For keyboard accessibility purposes, a Handle can provide a Point at which the SelectionTool should programmatically place the mouse.


Method Summary
  Point getAccessibleLocation ()
          Returns an optional accessibility Point.
  DragTracker getDragTracker ()
          Returns the DragTracker for dragging this Handle.
 

Method Detail

getDragTracker

public 
DragTracker getDragTracker()
Returns the DragTracker for dragging this Handle.

Returns:
null or a DragTracker

getAccessibleLocation

public 
Point getAccessibleLocation()
Returns an optional accessibility Point. This returned point is in absolute coordinates.

Returns:
null or the absolute location

Eclipse GEF
3.3

Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.

 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire