The blog of Rahoul Baruah from 3hv Ltd

What's going on?

My name is Rahoul Baruah (aka Baz) and I'm a software developer in Leeds (England).

This is a log of things I've discovered while writing software in Ruby on Rails. In other words, geek stuff.

However, I've decided to put this blog on ice - I would ask you to check out my business blog here (or subscribe here).

19 April, 2007


In my brief exploration of Seaside one of the points that caught my eye was that the components render themselves in HTML.

html table:
[html tableRow:
[html tableData: [html bold: 'Name'].
html tableData: person name].
html tableRow:
[html tableData: [html bold: 'Age'].
html tableData: person age]]

Two points: firstly - I read in one interview (sorry, can't find the link) that this leaves the designer to control the CSS and the programmer to control the HTML. This immediately struck me as a good thing - for the HTML to be properly CSSable it needs to be well-structured and semantically rich. Which you should do anyway but it's easy to forget. And secondly, that code snippet above looks great compared to your typical .rhtml file (I think it's something to do with the angle brackets in HTML which make it hard to read).

So, in the interests of making my application more beautiful, I started investigating how to do something similar in Rails. Which lead me to Markaby - Markup in Ruby. Install the plug-in and, instead of creating rhtml views you create mab views.

Which look like this:

div.contents! do
error_messages_for :booking
form_for :booking, :url => booking_path(@public_course, @booking).to_s, :html => {:method => :put} do | form |
h3 "Customer Details: "
p do
label "Contact: "
collection_select :booking, :contact_id, @contacts, :id, :name
p do
label "Notes: "
text_area :booking, :notes, :rows => 5
p.explain "Add any arbitrary notes here"
p do
submit_tag "Save"
text " or "
link_to "cancel", booking_path(@public_course, @booking), :confirm => 'Are you sure?'

Doesn't that make you feel good? Especially the p.explain (which outputs a P tag with the class "explain") - immediately you can see how semantic markup becomes integral to your views.

I did have a few problems with the helper methods - I had to set @output_helpers = false and I switched from using the form.text_field :method helpers to the old-style text_field :object, :method helpers (which also meant losing my labelled_form_builder). But it's a small price to pay for such superior looking markup.

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