YAB » rjs http://blog.alexgirard.com Yet Another Blog Sat, 15 Nov 2008 01:14:59 +0000 http://wordpress.org/?v=2.6.3 en Using RJS templates http://blog.alexgirard.com/using-rjs-templates/ http://blog.alexgirard.com/using-rjs-templates/#comments Thu, 04 Jan 2007 17:20:14 +0000 alx http://blog.alexgirard.com/?p=25 Ruby on Rails is a great platform to work with, there is so much niceties for geeks like me. Today has been a great day to work with RJS templates.

You must use RJS templates, just because when you don’t know where to put the view behavior after an action, and because filling a link_to_remote helper with too much parameters is really ugly.

Changing DOM className

Because my application needs to display some dynamic user selection of an avatar, a great way has been to change the CSS className of the selected avatar.

Here is how to do it with RJS:

page.select(".avatar").all() do |element, index|
  page.call 'Element.removeClassName', element, 'selected_avatar'
end

page.call 'Element.addClassName', @avatar, 'selected_avatar'
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