August 2006
Intermediate to advanced
182 pages
4h 34m
English
Content preview from Ruby on Rails: Up and RunningBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5. Extending Views
So far, you’ve experienced amazing power in a short time. Rails Active Record has let you build surprisingly capable models with no more than a handful of lines of code. Scaffolding used the metaprogramming capabilities of Ruby in concert with the metadata in Active Record to instantly slap a web face on our database tables. The Rails generators and glue code kept the structure consistent and provided the necessary tools to develop and debug the application at every step of the way. Now that we have scaffolding in place for our database tables, its time to start replacing that scaffolding interface with a prettier interface—one that lets us manipulate the relationships between our tables.
This will happen faster than you might think; now the fun really begins, as our web application’s user interface rapidly take shape. In this chapter, you will see how to:
Take control of the views rendered through scaffolding
Handle relationships in our views
Manage layouts
Make a simple change to Rails routing
Manage styles
The Big Picture
Let’s step back for a moment to examine the processing steps that occur from the time the server receives a URL request to when Rails finally returns the resulting HTML response (affectionately know as the big picture):
The web server receives a request from the browser. A request consists mostly of a URL and some optional parameters (which may or may not be part of the URL).
The web server is normally configured to serve static resources ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.