org.eclipse.draw2d
Class AbstractConnectionAnchor

java.lang.Object
  |
  +--org.eclipse.draw2d.ConnectionAnchorBase
        |
        +--org.eclipse.draw2d.AbstractConnectionAnchor

All Implemented Interfaces:

AncestorListener, ConnectionAnchor

Direct Known Subclasses:

ChopboxAnchor

public abstract class AbstractConnectionAnchor

extends ConnectionAnchorBase

implements AncestorListener

Provides support for anchors which depend on a figure for thier location.

Inner classes inherited from class org.eclipse.draw2d.AncestorListener

AncestorListener.Stub

Fields inherited from class org.eclipse.draw2d.ConnectionAnchorBase

listeners

Constructor Summary

AbstractConnectionAnchor()
Constructs an AbstractConnectionAnchor with no owner.

AbstractConnectionAnchor(IFigure owner)
Constructs an AbstractConnectionAnchor with the owner supplied as input.

Method Summary

void	addAnchorListener(AnchorListener listener) Adds the given listener to the listeners to be notified of anchor location changes.
void	ancestorAdded(IFigure ancestor) Called when an ancestor has been added into the listening figure's hierarchy.
void	ancestorMoved(IFigure figure) Notifies all the listeners of this anchor's location change.
void	ancestorRemoved(IFigure ancestor) Called when an ancestor has been removed from the listening figure's hierarchy.
IFigure	getOwner() Returns the owner Figure on which this anchor's location is dependent.
Point	getReferencePoint() Returns the point which is used as the reference by this AbstractConnectionAnchor.
void	removeAnchorListener(AnchorListener listener) Removes the given listener from this anchor.
void	setOwner(IFigure owner) Sets the owner of this anchor, on whom this anchors location is dependent.

Methods inherited from class org.eclipse.draw2d.ConnectionAnchorBase

fireAnchorMoved

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

Constructor Detail

AbstractConnectionAnchor

public AbstractConnectionAnchor()

Constructs an AbstractConnectionAnchor with no owner.

Since:

2.0

AbstractConnectionAnchor

public AbstractConnectionAnchor(IFigure owner)

Constructs an AbstractConnectionAnchor with the owner supplied as input.

Parameters:

owner - Owner of this anchor.

Since:

2.0

Method Detail

addAnchorListener

public void addAnchorListener(AnchorListener listener)

Adds the given listener to the listeners to be notified of anchor location changes.

Overrides:

addAnchorListener in class ConnectionAnchorBase

Parameters:

listener - Listener to be added.

Since:

2.0

See Also:

removeAnchorListener(AnchorListener)

ancestorMoved

public void ancestorMoved(IFigure figure)

Notifies all the listeners of this anchor's location change.

Specified by:

ancestorMoved in interface AncestorListener

Parameters:

figure - Anchor-owning Figure which has moved.

Since:

2.0

ancestorAdded

public void ancestorAdded(IFigure ancestor)

Description copied from interface: AncestorListener

Called when an ancestor has been added into the listening figure's hierarchy.

Specified by:

ancestorAdded in interface AncestorListener

ancestorRemoved

public void ancestorRemoved(IFigure ancestor)

Description copied from interface: AncestorListener

Called when an ancestor has been removed from the listening figure's hierarchy.

Specified by:

ancestorRemoved in interface AncestorListener

getOwner

public IFigure getOwner()

Returns the owner Figure on which this anchor's location is dependent.

Returns:

Owner of this anchor.

Since:

2.0

See Also:

setOwner(IFigure)

getReferencePoint

public Point getReferencePoint()

Returns the point which is used as the reference by this AbstractConnectionAnchor. It is generally dependent on the Figure which is the owner of this AbstractConnectionAnchor.

Returns:

The reference point of this anchor.

Since:

2.0

removeAnchorListener

public void removeAnchorListener(AnchorListener listener)

Removes the given listener from this anchor. If all the listeners are removed, then this anchor removes itself from its owner.

Overrides:

removeAnchorListener in class ConnectionAnchorBase

Parameters:

listener - Listener to be removed from this anchors listeners list.

Since:

2.0

See Also:

addAnchorListener(AnchorListener)

setOwner

public void setOwner(IFigure owner)

Sets the owner of this anchor, on whom this anchors location is dependent.

Parameters:

owner - Owner of this anchor.

Since:

2.0