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

Chapter 26 -
Working With Dependencies

This chapter includes recipes and sample code that demonstrate how to

• use dependencies and behaviors to synchronize two control view objects
• use dependencies to ensure that multiple views are updated when a document's underlying data changes (an outline)

MacApp's dependency mechanism is described in detail in Chapter 3, "Core Technologies."

---

Chapter Contents

Overview

Changes and Updates

Recipes--Dependencies

Recipe--Using Dependencies and Behaviors to Synchronize Control Views

Define a View Hierarchy That Contains the Two Views

Define a Change-Behavior Class

Define an Update-Behavior Class

Set Up the Views, Dependents, and Behaviors

Using Dependencies to Update a Document's Views-- An Outline

Conclusion