com.horstmann.violet
Class StateTransitionEdge

java.lang.Object
  com.horstmann.violet.framework.ShapeEdge
      com.horstmann.violet.StateTransitionEdge

All Implemented Interfaces:

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

public class StateTransitionEdge
extends ShapeEdge

A curved edge for a state transition in a state diagram.

See Also:

Serialized Form

Constructor Summary

StateTransitionEdge()

Method Summary

java.lang.Object	clone()
void	connect(Node s, Node e) Connect this edge to two nodes.
void	draw(java.awt.Graphics2D g2) Draw the edge.
java.awt.geom.Rectangle2D	getBounds(java.awt.Graphics2D g2) Gets the smallest rectangle that bounds this edge.
java.awt.geom.Line2D	getConnectionPoints() Gets the points at which this edge is connected to its nodes.
Node	getEnd() Gets the ending node.
java.lang.String	getLabel() Gets the label property value.
java.awt.Shape	getShape() Returns the path that should be stroked to draw this edge.
Node	getStart() Gets the starting node.
void	setLabel(java.lang.String newValue) Sets the label property value.

Methods inherited from class com.horstmann.violet.framework.ShapeEdge

contains

Methods inherited from class java.lang.Object

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

Constructor Detail

StateTransitionEdge

public StateTransitionEdge()

Method Detail

setLabel

public void setLabel(java.lang.String newValue)

Sets the label property value.

Parameters:

newValue - the new value

getLabel

public java.lang.String getLabel()

Gets the label property value.

Returns:

the current value

draw

public void draw(java.awt.Graphics2D g2)

Description copied from interface: Edge

Draw the edge.

Parameters:

g2 - the graphics context

getShape

public java.awt.Shape getShape()

Description copied from class: ShapeEdge

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

Specified by:

getShape in class ShapeEdge

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 ShapeEdge

Returns:

the bounding rectangle

getConnectionPoints

public java.awt.geom.Line2D getConnectionPoints()

Description copied from interface: Edge

Gets the points at which this edge is connected to its nodes.

Specified by:

getConnectionPoints in interface Edge

Returns:

a line joining the two connection points

clone

public java.lang.Object clone()

Specified by:

clone in interface Edge

Overrides:

clone in class java.lang.Object

connect

public void connect(Node s,
                    Node e)

Description copied from interface: Edge

Connect this edge to two nodes.

Specified by:

connect in interface Edge

Parameters:

s - the starting node

e - the ending node

getStart

public Node getStart()

Description copied from interface: Edge

Gets the starting node.

Specified by:

getStart in interface Edge

Returns:

the starting node

getEnd

public Node getEnd()

Description copied from interface: Edge

Gets the ending node.

Specified by:

getEnd in interface Edge

Returns:

the ending node