uchicago.src.sim.event
Class CheckBoxListener

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

All Implemented Interfaces:

ActionListener, EventListener

public abstract class CheckBoxListener

extends Object

implements ActionListener

Abstract implementation of a actionListener customized for a JCheckBox. When the checkbox is clicked the execute() method will be called. A modeler will implement this execute() method to provide the appropriate functionality. The following values are available to sub-classes.

• isSelected - a boolean value indicating whether the checkbox is selected.
• actionEvent - the java.awt.event.ActionEvent fired by the checkbox.

Field Summary

protected ActionEvent	actionEvent
protected boolean	isSelected

Constructor Summary

CheckBoxListener()

Method Summary

void	actionPerformed(ActionEvent evt) Reponds to ActionEvent fired by a JCheckBox.
abstract void	execute() Called whenever the JCheckBox for which this is a listener is clicked.
void	setSelected(boolean isSelected)

Methods inherited from class java.lang.Object

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

Field Detail

isSelected

protected boolean isSelected

actionEvent

protected ActionEvent actionEvent

Constructor Detail

CheckBoxListener

public CheckBoxListener()

Method Detail

actionPerformed

public void actionPerformed(ActionEvent evt)

Reponds to ActionEvent fired by a JCheckBox. This method sets this isSelected ivar and the actionEvent and then calls the user implemented execute() method.

Specified by:

actionPerformed in interface ActionListener

setSelected

public void setSelected(boolean isSelected)

execute

public abstract void execute()

Called whenever the JCheckBox for which this is a listener is clicked. A user can check for selection with the isSelected ivar.