The Merb Way

Chapter 11. Parts

Widgets are everywhere on the web. These component-like regions on web pages deliver high levels of functionality. Though many of them are Ajax-dependent, having the same functionality as standard responses really expands the possibilities of our applications. To this effect, the gem merb-parts subclasses AbstractController, providing a new type of controller whose responses can be emebedded like partials within the actual response to a request.

11.1 Parts controllers

Parts controllers are used in nearly the same way as the standard Merb controller. Here’s an example of a part placed in app/parts/:

The most important thing ...