Griffon in Action

Chapter 3. Models and binding

 

This chapter covers

• Creating models
• Creating observable properties
• Binding data from the model to the view

 

Any sufficiently advanced technology is indistinguishable from magic, at least according to Arthur C. Clarke. And getting data to automatically update itself in several places with a few simple declarations looks magical at first, but when you learn to identify the process that’s occurring it seems more mechanical than magical.

Why are models used in the MVC framework, and what is their role? Models are to some extent a shared whiteboard, where a controller or a view can update abstract values and respond when it observes a change. The key in these instances is the binding of the data, and to the uninitiated ...