Eclipse GEF and Draw2d Plug-in Developer Guide (Galileo) - ConnectionAnchorBase (Eclipse Draw2d API Specification)

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Eclipse Draw2d
3.3

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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 java.lang.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 java.util.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 java.util.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)