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By default, variants in the templates will be picked up if a variant is set and there's a match. The format will be: app/views/projects/show.html.erb app/views/projects/show.html+tablet.erb app/views/projects/show.html+phone.erb If request.variant = :tablet is set, we'll automatically be rendering the html+tablet template. In the controller, we can also tailer to the variants with this syntax: class ProjectsController < ActionController::Base def show respond_to do |format| format.html do |html| @stars = @project.stars html.tablet { @notifications = @project.notifications } html.phone { @chat_heads = @project.chat_heads } end format.js format.atom end end end The variant itself is nil by default, but can be set in before filters, like so: class ApplicationController < ActionController::Base before_action do if request.user_agent =~ /iPad/ request.variant = :tablet end end end This is modeled loosely on custom mime types, but it's specifically not intended to be used together. If you're going to make a custom mime type, you don't need a variant. Variants are for variations on a single mime types. |
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handlers | ||
error.rb | ||
handlers.rb | ||
resolver.rb | ||
text.rb | ||
types.rb |