Inside Macintosh: Programmer's Guide to MacApp / Part 1 - MacApp Theory and Architecture

Chapter 7 -
Document Handling

This chapter describes MacApp's implementation of document classes and examines the operations your application can perform with documents.

---

Chapter Contents

Overview

MacApp's Document Classes

The TDocument Class

The TFileBasedDocument Class

The TEditionDocument Class

The TMailableDocument Class

The TTEDocument Class

Document Operations

How MacApp Document Classes Work With Files

Kinds of Documents

Creating a New Document

How a MacApp Document Uses File Forks

Opening an Existing Document

Creating Views for a Document

Reverting to a Previous Version of a Document

Determining Whether a Document Has Changed

Saving a Document

Saving a Document in Place

Leaving a Document Open

Closing a Document

Closing a Document Directly

Closing a Document With a Close Document or Close Window Event

Closing a Document When Quitting the Application

A Note on Ghost Documents

Publish and Subscribe

Edition Manager Terminology

Edition Manager Resources

Edition Manager Menu Commands

Edition Manager Classes

The Designator Classes

The Section Classes

The TEditionDocument Class

Methods You Override

Reading and Writing Section Data

The TSectionMgr Class

The Section Command Classes

Section Adorner Classes

The Section Iterator Class

PowerTalk Mailers

MacApp's PowerTalk Mailer Support Classes

Including MacApp's PowerTalk Support in Your Application

The Mail Menu

Mail Formats

Supplying Mail Content

Displaying a Mailer View

File Types for Letters

Digital Signatures