Overview

For this homework you will define inner classes that will control an animation. . The animation consists of a pair of "Eyes" which look around in a circular pattern. The video EyesDemo.avi illustrates the functionality associated with the application.

Notice that there are no public/release/secret tests associated with this project. You do not need to provide any student tests but you are encouraged to develop them as you implement this programming assignment.

Objectives

This project is designed to help you develop your skills at defining inner/nested classes. 

Grading

• (95%) setListeners method
  • (15%) start animation listener
  • (15%) end animation listener
  • (15%) slider animation listener
  • (50%) timer object and listener
• (5%) style

Clarifications

Any clarifications or corrections associated with this project will be available at: Clarifications

Code Distribution

The project's code distribution is available by checking out the project named InnerClasses. The code distribution provides you with the following:

• eyes package → Includes the classes Eyes.java and EyesController.java.
• Project description

Specifications

For this homework you will implement a method called setListeners (part of the EyesController class) and any supporting classes that will allow us to control an animation. The animation consists of a pair of "Eyes" which look around in a circular pattern. The following video (EyesDemo.avi) illustrates the functionality associated with the application. Complete documentation for this project can be found at javadoc documentation

Keep in mind that the provided code already implements a listener for mouse movements (the eyes will follow the mouse pointer). Your task is to expand the functionality of the application as follows:

• Add a timer object and appropriate listener that will enable the movement of eyes in a circular pattern.
• Add a listener to the start animation button that will start the animation.
• Add a listener to the end animation button that will end the animation.
• Add a listener to the slider object that will increase the speed at which the eyes move.

From the Eyes class the only method you will need to use is the setPointerPosition. This class may not be modified.

Requirements

• You may only add inner and anonymous classes to the provided code.
• One of your listener objects must be implemented using an anonymous inner class.
• One of your listener objects must be implemented using an inner class.
• You must attempt to submit your project immediately after checking out the project (even if you have not implemented any methods). This will allow you to verify that the submission process is working as expected.
• You should submit your project often. This will keep versions of your project in the submit server that are easy to retrieve (you can also get previous versions from your CVS repository). If your computer crashes or you experience any other problem you will have a permanent backup in the submit server.
• No student tests are required for this project but you are encourage to develop them as you implement this programming assignment.
• Style
  • Good variable names.
  • You must avoid code duplication by calling appropriate methods (rather than cutting and pasting code). You may define your own private utility methods to perform often repeated tasks.
  • Style as defined by the Eclipse Format Element option (Source → Format → Format Element) or as specified in Code Conventions for the JavaTM Programming Language (focus on the following sections: Indentation, Declarations, Statements, White Space, and Naming Conventions).
  • Although you should avoid source lines exceeding 80 characters, you will not be penalize if they are present in your code.

Honor Section Requirements

No additional requirements.

Suggestions on How To Start the Project

• Familiarize yourself with the JSlider class. http://java.sun.com/docs/books/tutorial/uiswing/components/slider.html
• Familiarize yourself with javax.swing.Timer class: http://java.sun.com/docs/books/tutorial/uiswing/misc/timer.html

Submission

Submit your project using the Eclipse "Submit Project" option (available by right clicking on the project folder).

Academic Integrity

Please make sure you read the academic integrity section of the syllabus so you understand what is permissible in our programming assignments. We want to remind you that we check your work against other students' work and any case of academic dishonesty will be referred to the University's Office of Judicial Programs.