horstmann.ch08_umleditor

Class ShapeEdge

java.lang.Object

horstmann.ch08_umleditor.AbstractEdge

horstmann.ch08_umleditor.ShapeEdge

All Implemented Interfaces:

Edge, java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

SegmentedLineEdge

public abstract class ShapeEdge
extends AbstractEdge

A class that assumes that an edge can yield its shape and then takes advantage of the fact that containment testing can be done by stroking the shape with a fat stroke.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ShapeEdge()

Method Summary

Modifier and Type	Method and Description
boolean	contains(java.awt.geom.Point2D aPoint) Tests whether the edge contains a point.
java.awt.geom.Rectangle2D	getBounds(java.awt.Graphics2D g2) Gets the smallest rectangle that bounds this edge.
abstract java.awt.Shape	getShape() Returns the path that should be stroked to draw this edge.

Methods inherited from class horstmann.ch08_umleditor.AbstractEdge

clone, connect, getConnectionPoints, getEnd, getStart

Methods inherited from class java.lang.Object

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

Methods inherited from interface horstmann.ch08_umleditor.Edge

draw

Constructor Detail

ShapeEdge

public ShapeEdge()

Method Detail

getShape

public abstract java.awt.Shape getShape()

Returns the path that should be stroked to draw this edge. The path does not include arrow tips or labels.

Returns:

a path along the edge

getBounds

public java.awt.geom.Rectangle2D getBounds(java.awt.Graphics2D g2)

Description copied from interface: Edge

Gets the smallest rectangle that bounds this edge. The bounding rectangle contains all labels.

Specified by:

getBounds in interface Edge

Overrides:

getBounds in class AbstractEdge

Returns:

the bounding rectangle

contains

public boolean contains(java.awt.geom.Point2D aPoint)

Description copied from interface: Edge

Tests whether the edge contains a point.

Parameters:

aPoint - the point to test

Returns:

true if this edge contains aPoint