uchicago.src.sim.event
Class SliderListener

java.lang.Object
  |
  +--uchicago.src.sim.event.SliderListener

All Implemented Interfaces:

ChangeListener, EventListener

public abstract class SliderListener

extends Object

implements ChangeListener

Abstract implementation of a ChangeListener. Will call the execute method whenever the JSlider being listened to fires a ChangeEvent, that is, whenever the slider is moved the execute() method will be called. A modeler will implement this execute() method. Two variables are available for use in the execute method.

• value - the current value of the slider
• isAdjusting - a boolean indicating whether the slider is in the process of being adjusted. False indicates that the slider is no longer being moved.
• isSlidingLeft - a boolean indicating whether the slider is being adjusted to the left.

Field Summary

protected boolean	isAdjusting
protected boolean	isSlidingLeft
protected int	prevValue
protected int	value

Constructor Summary

SliderListener()

Method Summary

abstract void	execute() Called whenever the JSlider for which this is a listener is moved.
void	setFirstVal(int val)
void	stateChanged(ChangeEvent evt)

Methods inherited from class java.lang.Object

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

Field Detail

prevValue

protected int prevValue

value

protected int value

isAdjusting

protected boolean isAdjusting

isSlidingLeft

protected boolean isSlidingLeft

Constructor Detail

SliderListener

public SliderListener()

Method Detail

stateChanged

public void stateChanged(ChangeEvent evt)

Specified by:

stateChanged in interface ChangeListener

setFirstVal

public void setFirstVal(int val)

execute

public abstract void execute()

Called whenever the JSlider for which this is a listener is moved.