An Introduction to Design Patterns in C++ with Qt 4

Chapter 17. Models and Views

The Model-View pattern describes techniques of separating the underlying data (the model) from the class that presents the user with a GUI (the view). In this chapter we will see a model for a form, and a couple of ways to view and enter data into it. Qt model and view classes are discussed, and we will see examples of lists, trees, and tables.

17.1	M-V-C: What about the Controller?	392
17.2	Dynamic Form Models	393
17.3	Qt 4 Models and Views	409
17.4	Table Models	411
17.5	Tree Models	417

In several earlier examples we saw code that maintained a clean separation between model classes that represent data and view code that presents a user interface. There are several important reasons for enforcing this separation.

First of all, separating ...