Package org.eclipse.draw2d
Interface ConnectionAnchor
- All Known Implementing Classes:
AbstractConnectionAnchor
,ChopboxAnchor
,ConnectionAnchorBase
,EllipseAnchor
,LabelAnchor
,RoundedRectangleAnchor
,XYAnchor
public interface ConnectionAnchor
An object to which a
Connection
will be anchored. If the
ConnectionAnchor moves, the Connection should move with it.-
Method Summary
Modifier and TypeMethodDescriptionvoid
addAnchorListener
(AnchorListener listener) Adds a listener interested in the movement of this ConnectionAnchor.getLocation
(Point reference) Returns the location where the Connection should be anchored in absolute coordinates.getOwner()
Returns the IFigure that contains this ConnectionAnchor.Returns the reference point for this anchor in absolute coordinates.void
removeAnchorListener
(AnchorListener listener) Removes the listener.
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Method Details
-
addAnchorListener
Adds a listener interested in the movement of this ConnectionAnchor.- Parameters:
listener
- The AnchorListener to be added
-
getLocation
Returns the location where the Connection should be anchored in absolute coordinates. The anchor may use the given reference Point to calculate this location.- Parameters:
reference
- The reference Point in absolute coordinates- Returns:
- The anchor's location
-
getOwner
IFigure getOwner()Returns the IFigure that contains this ConnectionAnchor. Moving this figure will cause the anchor to move with it.- Returns:
- The IFigure that contains this ConnectionAnchor
-
getReferencePoint
Point getReferencePoint()Returns the reference point for this anchor in absolute coordinates. This might be used by another anchor to determine its own location (i.e.ChopboxAnchor
).- Returns:
- The reference Point
-
removeAnchorListener
Removes the listener.- Parameters:
listener
- The AnchorListener to be removed
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