edu.uci.ics.jung.visualization.layout

Class ObservableCachingLayout<V,E>

java.lang.Object

edu.uci.ics.jung.algorithms.layout.LayoutDecorator<V,E>

edu.uci.ics.jung.visualization.layout.ObservableCachingLayout<V,E>

All Implemented Interfaces:

com.google.common.base.Function<V,Point2D>, Layout<V,E>, IterativeContext, LayoutEventSupport<V,E>, Caching, ChangeEventSupport

Direct Known Subclasses:

PersistentLayoutImpl

public class ObservableCachingLayout<V,E>
extends LayoutDecorator<V,E>
implements ChangeEventSupport, Caching, LayoutEventSupport<V,E>

A LayoutDecorator that fires ChangeEvents when certain methods are called. Used to wrap a Layout so that the visualization components can be notified of changes.

Author:

Tom Nelson

See Also:

LayoutDecorator

Field Summary

Fields

Modifier and Type	Field and Description
protected ChangeEventSupport	changeSupport
protected com.google.common.cache.LoadingCache<V,Point2D>	locations

Fields inherited from class edu.uci.ics.jung.algorithms.layout.LayoutDecorator

delegate

Constructor Summary

Constructors

Constructor and Description
ObservableCachingLayout(Layout<V,E> delegate)

Method Summary

Modifier and Type	Method and Description
void	addChangeListener(ChangeListener l)
void	addLayoutChangeListener(LayoutChangeListener<V,E> listener)
Point2D	apply(V v)
void	clear() clear cache
boolean	done()
void	fireStateChanged()
ChangeListener[]	getChangeListeners() Returns an array of all the ChangeListeners added with addChangeListener().
void	init() ititialize resources for a cache
void	initialize()
void	removeChangeListener(ChangeListener l) Removes a ChangeListener.
void	removeLayoutChangeListener(LayoutChangeListener<V,E> listener)
void	setGraph(Graph<V,E> graph)
void	setLocation(V v, Point2D location)
void	step()

Methods inherited from class edu.uci.ics.jung.algorithms.layout.LayoutDecorator

getDelegate, getGraph, getSize, isLocked, lock, reset, setDelegate, setInitializer, setSize, transform

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Field Detail

changeSupport

protected ChangeEventSupport changeSupport

locations

protected com.google.common.cache.LoadingCache<V,Point2D> locations

Constructor Detail

ObservableCachingLayout

public ObservableCachingLayout(Layout<V,E> delegate)

Method Detail

step

public void step()

Specified by:

step in interface IterativeContext

Overrides:

step in class LayoutDecorator<V,E>

initialize

public void initialize()

Specified by:

initialize in interface Layout<V,E>

Overrides:

initialize in class LayoutDecorator<V,E>

done

public boolean done()

Specified by:

done in interface IterativeContext

Overrides:

done in class LayoutDecorator<V,E>

setLocation

public void setLocation(V v,
                        Point2D location)

Specified by:

setLocation in interface Layout<V,E>

Overrides:

setLocation in class LayoutDecorator<V,E>

addChangeListener

public void addChangeListener(ChangeListener l)

Specified by:

addChangeListener in interface ChangeEventSupport

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: ChangeEventSupport

Removes a ChangeListener.

Specified by:

removeChangeListener in interface ChangeEventSupport

Parameters:

l - the listener to be removed

getChangeListeners

public ChangeListener[] getChangeListeners()

Description copied from interface: ChangeEventSupport

Returns an array of all the ChangeListeners added with addChangeListener().

Specified by:

getChangeListeners in interface ChangeEventSupport

Returns:

all of the ChangeListeners added or an empty array if no listeners have been added

fireStateChanged

public void fireStateChanged()

Specified by:

fireStateChanged in interface ChangeEventSupport

setGraph

public void setGraph(Graph<V,E> graph)

Specified by:

setGraph in interface Layout<V,E>

Overrides:

setGraph in class LayoutDecorator<V,E>

clear

public void clear()

Description copied from interface: Caching

clear cache

Specified by:

clear in interface Caching

init

public void init()

Description copied from interface: Caching

ititialize resources for a cache

Specified by:

init in interface Caching

apply

public Point2D apply(V v)

Specified by:

apply in interface com.google.common.base.Function<V,Point2D>

addLayoutChangeListener

public void addLayoutChangeListener(LayoutChangeListener<V,E> listener)

Specified by:

addLayoutChangeListener in interface LayoutEventSupport<V,E>

removeLayoutChangeListener

public void removeLayoutChangeListener(LayoutChangeListener<V,E> listener)

Specified by:

removeLayoutChangeListener in interface LayoutEventSupport<V,E>