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

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Eclipse Draw2d
3.3

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org.eclipse.draw2d
Class XYAnchor

java.lang.Object
  

org.eclipse.draw2d.ConnectionAnchorBase
      
org.eclipse.draw2d.XYAnchor

All Implemented Interfaces:: ConnectionAnchor

public class XYAnchor
extends ConnectionAnchorBase

Supports an anchor in the XY layout. This anchor exists independently without an owner.

Field Summary

Fields inherited from class org.eclipse.draw2d. ConnectionAnchorBase

listeners

Constructor Summary

XYAnchor ( Point p)
          Constructs an XYAnchor at the Point p.

Method Summary

Point getLocation ( Point reference)
          Returns the location of this anchor relative to the reference point given in as input.

IFigure getOwner ()
          Returns null as these anchors inherently do not depend on other figures for their location.

Point getReferencePoint ()
          Returns the point which is used as the reference by this connection anchor.

void setLocation ( Point p)
          Sets the location of this anchor and notifies all the listeners of the update.

Methods inherited from class org.eclipse.draw2d. ConnectionAnchorBase

addAnchorListener, fireAnchorMoved, removeAnchorListener

Methods inherited from class java.lang.Object

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

Constructor Detail

XYAnchor

public XYAnchor(
Point p)

Constructs an XYAnchor at the Point p.
Parameters:: p - the point where this anchor will be located
Since:: 2.0

Method Detail

getLocation

public 
Point getLocation(
Point reference)

Returns the location of this anchor relative to the reference point given in as input. Since this is XY layout, the location of the point is independent of the reference point.

Parameters:: reference - The reference Point in absolute coordinates
Returns:: The anchor's location
See Also:: ConnectionAnchor.getLocation(Point)

getOwner

public 
IFigure getOwner()

Returns null as these anchors inherently do not depend on other figures for their location.

Returns:: The IFigure that contains this ConnectionAnchor
Since:: 2.0
See Also:: ConnectionAnchor.getOwner()

getReferencePoint

public 
Point getReferencePoint()

Returns the point which is used as the reference by this connection anchor. In the case of the XYAnchor, this point is the same as its location.

Returns:: The reference Point
See Also:: ConnectionAnchor.getReferencePoint()

setLocation

public void setLocation(
Point p)

Sets the location of this anchor and notifies all the listeners of the update.

Parameters:: p - the new location of this anchor
Since:: 2.0
See Also:: getLocation(Point)