Inside Macintosh: Programmer's Guide to MacApp / Part 2 - Working With MacApp

Chapter 25 -
Working With Lists and Iteration

This chapter describes how to work with MacApp's list and iteration facilities. It also includes recipes and sample code that demonstrate how to

• define and work with a sorted list class
• iterate over the items in a list

The topic of lists and iteration is introduced in "Lists and Iteration," beginning on page 61, and includes a description of MacApp's primary list classes.

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Chapter Contents

Overview

Working With Lists of Objects

Creating a List

Adding an Object to a List

Deleting an Object From a List

Finding an Object in a List

Freeing a List

Iteration

Recipes--Lists and Iteration

Recipe--Defining and Working With a Sorted List Class

Define a Class Based on One of MacApp's Sorted List Classes

Define a Compare Method to Order the Items in Your List

Create a List Object in Your Application

Add Items to the List

Recipe--Iterating Over the Items in a List

Choose an Iterator for the List

Initialize the Iterator

Use the Iterator in a For Loop to Access the Items in the List

Optionally Add Accessor Methods