graph.layout.util

Class PositionAction

java.lang.Object

prefuse.activity.Activity

prefuse.action.Action

graph.layout.util.PositionAction

public class PositionAction
extends prefuse.action.Action

Class needed to get the positions of graph elements after a prefuse's layout algorithm is performed. prefuse uses schedulers, so this class is supposed to be instantiated in order to be scheduled after the layout action

Author:

Renata

Field Summary

Fields inherited from class prefuse.activity.Activity

DEFAULT_STEP_TIME, INFINITY

Constructor Summary

Constructors

Constructor and Description
PositionAction(long duration)

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.Integer,java.awt.geom.Point2D>	getPositionsMap() Returns the positions of graph's nodes
boolean	isFinished()
void	run() Defines what the action does.
void	run(double frac) Defines what the action does.

Methods inherited from class prefuse.action.Action

getVisualization, setVisualization

Methods inherited from class prefuse.activity.Activity

addActivityListener, alwaysRunAfter, cancel, getDuration, getNextTime, getPace, getPacingFunction, getStartTime, getStepTime, getStopTime, isEnabled, isRunning, isScheduled, removeActivityListener, runAfter, runAt, setDuration, setEnabled, setPacingFunction, setStartTime, setStepTime

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionAction

public PositionAction(long duration)

Parameters:

duration - How long should the action last

Method Detail

run

public void run()

Defines what the action does. Overrides prefuse's Action classes' run method.

Overrides:

run in class prefuse.activity.Activity

run

public void run(double frac)

Defines what the action does. Overrides prefuse's Action classes' run method. Parameter is not used.

Specified by:

run in class prefuse.action.Action

getPositionsMap

public java.util.Map<java.lang.Integer,java.awt.geom.Point2D> getPositionsMap()

Returns the positions of graph's nodes

Returns:

A map of nodes and their positions

isFinished

public boolean isFinished()

Returns:

Indicator if the action is over or not