diva.canvas.connector

Class ArcInteractor

java.lang.Object

diva.canvas.interactor.AbstractInteractor

diva.canvas.interactor.DragInteractor

diva.canvas.connector.ConnectorInteractor

diva.canvas.connector.ArcInteractor

All Implemented Interfaces:

LayerListener, LayerMotionListener, Interactor, EventListener

public class ArcInteractor
extends ConnectorInteractor

An interactor for dragging either end of an arc connector and for for altering the shape of the arc by dragging a midpoint grab handle. This class is designed for use in conjunction with ArcManipulator.

Version:

$Revision: 1.2 $

Author:

Edward A. Lee

Constructor Summary

Constructors

Constructor and Description
ArcInteractor(ArcManipulator m) Create a new interactor to be used with the given manipulator.

Method Summary

Modifier and Type	Method and Description
protected void	fireConnectorEvent(int id) Fire a connector event to all connector listeners.
void	translate(LayerEvent e, double dx, double dy) Respond to translation of the grab-handle.

Methods inherited from class diva.canvas.connector.ConnectorInteractor

_notifyConnectorListeners, addConnectorListener, getConnector, getHandle, getTarget, mouseReleased, removeConnectorListener, setup, snapToSite

Methods inherited from class diva.canvas.interactor.DragInteractor

addLayerListener, appendConstraint, constrainPoint, fireLayerEvent, getSelectiveEnabled, getTargetArray, getX, getY, mouseDragged, mousePressed, prependConstraint, removeLayerListener, setSelectiveEnabled, setTargetArray, targets

Methods inherited from class diva.canvas.interactor.AbstractInteractor

accept, getMouseFilter, isConsuming, isEnabled, isMotionEnabled, mouseClicked, mouseEntered, mouseExited, mouseMoved, setConsuming, setEnabled, setMotionEnabled, setMouseFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

ArcInteractor

public ArcInteractor(ArcManipulator m)

Create a new interactor to be used with the given manipulator.

Method Detail

fireConnectorEvent

protected void fireConnectorEvent(int id)

Fire a connector event to all connector listeners.

Overrides:

fireConnectorEvent in class ConnectorInteractor

translate

public void translate(LayerEvent e,
                      double dx,
                      double dy)

Respond to translation of the grab-handle. Move the grab-handle, and adjust the connector accordingly, snapping it to a suitable target if possible.

Overrides:

translate in class ConnectorInteractor