diva.canvas.connector
Class StraightConnector

java.lang.Object
  diva.canvas.AbstractFigure
      diva.canvas.connector.AbstractConnector
          diva.canvas.connector.StraightConnector

All Implemented Interfaces:

CanvasComponent, Connector, Figure, VisibleComponent, UserObjectContainer

public class StraightConnector
extends AbstractConnector

A Connector that draws itself in a straight line.

Version:

$Id: StraightConnector.java 38798 2005-07-08 20:00:01Z cxh $

Author:

John Reekie, Michael Shilman

Accepted Rating:

Red

Field Summary

private java.awt.geom.Point2D	_headPt The transformed positions of the start and end of the line, for use by the label positioning code.
private java.awt.geom.Point2D	_tailPt

Constructor Summary

StraightConnector(Site tail, Site head)
Create a new straight connector between the given sites.

Method Summary

void	repositionLabel() Tell the connector to reposition its label if it has one.
void	route() Tell the connector to route itself between the current positions of the head and tail sites.
void	translate(double x, double y) Translate the connector.

Methods inherited from class diva.canvas.connector.AbstractConnector

getBounds, getDashArray, getHeadEnd, getHeadSite, getLabelFigure, getLineWidth, getShape, getStroke, getStrokePaint, getTailEnd, getTailSite, headMoved, hit, intersects, paint, reroute, setDashArray, setHeadEnd, setHeadSite, setLabelFigure, setLineWidth, setShape, setStroke, setStrokePaint, setTailEnd, setTailSite, tailMoved, transform

Methods inherited from class diva.canvas.AbstractFigure

contains, getInteractor, getLayer, getOrigin, getParent, getToolTipText, getTransformContext, getUserObject, isVisible, paint, repaint, repaint, setInteractor, setParent, setToolTipText, setUserObject, setVisible

Methods inherited from class java.lang.Object

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

Methods inherited from interface diva.canvas.Figure

contains, getInteractor, getLayer, getOrigin, getParent, getToolTipText, setInteractor, setParent, setToolTipText

Methods inherited from interface diva.canvas.VisibleComponent

isVisible, paint, setVisible

Methods inherited from interface diva.canvas.CanvasComponent

getTransformContext, repaint, repaint

Methods inherited from interface diva.util.UserObjectContainer

getUserObject, setUserObject

Field Detail

_headPt

private java.awt.geom.Point2D _headPt

The transformed positions of the start and end of the line, for use by the label positioning code.

_tailPt

private java.awt.geom.Point2D _tailPt

Constructor Detail

StraightConnector

public StraightConnector(Site tail,
                         Site head)

Create a new straight connector between the given sites. The connector is drawn with a width of one and in black.

Method Detail

repositionLabel

public void repositionLabel()

Tell the connector to reposition its label if it has one. The label is currently only positioned at the center of the arc.

Specified by:

repositionLabel in class AbstractConnector

route

public void route()

Tell the connector to route itself between the current positions of the head and tail sites.

Specified by:

route in interface Connector

Specified by:

route in class AbstractConnector

translate

public void translate(double x,
                      double y)

Translate the connector. This method is implemented, since controllers may wish to translate connectors when the sites at both ends are moved the same distance.

Specified by:

translate in interface Figure

Specified by:

translate in class AbstractConnector