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, java.util.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:

$Id$

Author:

Edward A. Lee

Constructor Summary

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.
    
    Parameters:
    
    m - The given manipulator
- Method Detail
  - fireConnectorEvent
```
protected void fireConnectorEvent(int id)
```
    Fire a connector event to all connector listeners.
    
    Overrides:
    
    fireConnectorEvent in class ConnectorInteractor
    
    Parameters:
    
    id - The id
  - 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
    
    Parameters:
    
    e - The event
    
    dx - The change in x
    
    dy - The change in y