Eclipse Draw2d
2.1

org.eclipse.draw2d
Class ConnectionAnchorBase

java.lang.Object
  |
  +--org.eclipse.draw2d.ConnectionAnchorBase
All Implemented Interfaces:
ConnectionAnchor
Direct Known Subclasses:
AbstractConnectionAnchor, XYAnchor

public abstract class ConnectionAnchorBase
extends Object
implements ConnectionAnchor

Provides support for a ConnectionAnchor. A ConnectionAnchor is one of the end points of a Connection. It holds listeners and notifies them if the anchor is moved.


Field Summary
protected  List listeners
          The list of listeners
 
Constructor Summary
ConnectionAnchorBase()
           
 
Method Summary
 void addAnchorListener(AnchorListener listener)
          Adds a listener interested in the movement of this ConnectionAnchor.
protected  void fireAnchorMoved()
          Notifies all the listeners in the list of a change in position of this anchor.
 void removeAnchorListener(AnchorListener listener)
          Removes the listener.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.draw2d.ConnectionAnchor
getLocation, getOwner, getReferencePoint
 

Field Detail

listeners

protected List listeners
The list of listeners

Constructor Detail

ConnectionAnchorBase

public ConnectionAnchorBase()
Method Detail

addAnchorListener

public void addAnchorListener(AnchorListener listener)
Description copied from interface: ConnectionAnchor
Adds a listener interested in the movement of this ConnectionAnchor.

Specified by:
addAnchorListener in interface ConnectionAnchor
Parameters:
listener - The AnchorListener to be added
See Also:
ConnectionAnchor.addAnchorListener(AnchorListener)

removeAnchorListener

public void removeAnchorListener(AnchorListener listener)
Description copied from interface: ConnectionAnchor
Removes the listener.

Specified by:
removeAnchorListener in interface ConnectionAnchor
Parameters:
listener - The AnchorListener to be removed
See Also:
ConnectionAnchor.removeAnchorListener(AnchorListener)

fireAnchorMoved

protected void fireAnchorMoved()
Notifies all the listeners in the list of a change in position of this anchor. This is called from one of the implementing anchors when its location is changed.

Since:
2.0

Eclipse Draw2d
2.1

Copyright (c) IBM Corp. and others 2000, 2003. All Rights Reserved.