com.horstmann.violet
Class ObjectNode

java.lang.Object
  com.horstmann.violet.framework.AbstractNode
      com.horstmann.violet.framework.RectangularNode
          com.horstmann.violet.ObjectNode

All Implemented Interfaces:

Node, java.io.Serializable, java.lang.Cloneable

public class ObjectNode
extends RectangularNode

An object node in an object diagram.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.horstmann.violet.framework.AbstractNode

SHADOW_GAP

Constructor Summary

ObjectNode()
Construct an object node with a default size

Method Summary

void	addChild(Node n) This is a patch to ensure that object diagrams can be read back in correctly.
boolean	addEdge(Edge e, java.awt.geom.Point2D p1, java.awt.geom.Point2D p2) Adds an edge that originates at this node.
boolean	addNode(Node n, java.awt.geom.Point2D p) Adds a node as a child node to this node.
java.lang.Object	clone()
void	draw(java.awt.Graphics2D g2) Draw the node.
java.awt.geom.Point2D	getConnectionPoint(Direction d) Get the best connection point to connect this node with another node.
MultiLineString	getName() Gets the name property value.
java.awt.geom.Rectangle2D	getTopRectangle() Returns the rectangle at the top of the object node.
void	layout(Graph g, java.awt.Graphics2D g2, Grid grid) Lays out the node and its children.
void	setName(MultiLineString n) Sets the name property value.

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

contains, getBounds, getShape, setBounds, translate

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

addChild, getChildren, getParent, removeChild, removeEdge, removeNode, setParent, setPersistenceDelegate

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectNode

public ObjectNode()

Construct an object node with a default size

Method Detail

draw

public void draw(java.awt.Graphics2D g2)

Description copied from interface: Node

Draw the node.

Specified by:

draw in interface Node

Overrides:

draw in class AbstractNode

Parameters:

g2 - the graphics context

getTopRectangle

public java.awt.geom.Rectangle2D getTopRectangle()

Returns the rectangle at the top of the object node.

Returns:

the top rectangle

addEdge

public boolean addEdge(Edge e,
                       java.awt.geom.Point2D p1,
                       java.awt.geom.Point2D p2)

Description copied from interface: Node

Adds an edge that originates at this node.

Specified by:

addEdge in interface Node

Overrides:

addEdge in class AbstractNode

Parameters:

e - the edge to add

Returns:

true if the edge was added

getConnectionPoint

public java.awt.geom.Point2D getConnectionPoint(Direction d)

Description copied from interface: Node

Get the best connection point to connect this node with another node. This should be a point on the boundary of the shape of this node.

Specified by:

getConnectionPoint in interface Node

Overrides:

getConnectionPoint in class RectangularNode

Parameters:

d - the direction from the center of the bounding rectangle towards the boundary

Returns:

the recommended connection point

layout

public void layout(Graph g,
                   java.awt.Graphics2D g2,
                   Grid grid)

Description copied from interface: Node

Lays out the node and its children.

Specified by:

layout in interface Node

Overrides:

layout in class RectangularNode

Parameters:

g - the ambient graph

g2 - the graphics context

grid - the grid to snap to

setName

public void setName(MultiLineString n)

Sets the name property value.

Parameters:

newValue - the new object name

getName

public MultiLineString getName()

Gets the name property value.

Parameters:

the - object name

clone

public java.lang.Object clone()

Specified by:

clone in interface Node

Overrides:

clone in class RectangularNode

addNode

public boolean addNode(Node n,
                       java.awt.geom.Point2D p)

Description copied from interface: Node

Adds a node as a child node to this node.

Specified by:

addNode in interface Node

Overrides:

addNode in class AbstractNode

Parameters:

n - the child node

p - the point at which the node is being added

Returns:

true if this node accepts the given node as a child

addChild

public void addChild(Node n)

This is a patch to ensure that object diagrams can be read back in correctly.

Overrides:

addChild in class AbstractNode