Module: Ajax::ActionController::Rails2

Defined in:
lib/ajax/action_controller.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/ajax/action_controller.rb', line 47

def self.included(klass)
  klass.class_eval do
    alias_method_chain :redirect_to_full_url, :ajax
    alias_method_chain :render, :ajax
  end
end

Instance Method Details

#redirect_to_full_url_with_ajax(url, status) ⇒ Object

Redirect to hashed URLs unless the path is excepted.

Store the URL that we are redirecting to in the session. If we then have a request for the root URL we know to render this URL instead.

If redirecting back to the referer, use the referer in the Ajax-Info header because it includes the hashed part of the URL. Otherwise the referer is always the root url.

For AJAX requests, respond with an AJAX-suitable redirect.

This method only applies to Rails < 3



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# File 'lib/ajax/action_controller.rb', line 69

def redirect_to_full_url_with_ajax(url, status)
  if !_ajax_redirect(url)
    redirect_to_full_url_without_ajax(url, status)
  end
end

#render_with_ajax(options = nil, extra_options = {}, &block) ⇒ Object

Intercept rendering to customize the headers and layout handling



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# File 'lib/ajax/action_controller.rb', line 78

def render_with_ajax(options = nil, extra_options = {}, &block)
  return render_without_ajax(options, extra_options, &block) unless Ajax.is_enabled?

  original_args = [options, extra_options]
  if request.xhr?

    # Options processing taken from ActionController::Base#render
    if options.nil?
      options = { :template => default_template, :layout => true }
    elsif options == :update
      options = extra_options.merge({ :update => true })
    elsif options.is_a?(String) || options.is_a?(Symbol)
      case options.to_s.index('/')
      when 0
        extra_options[:file] = options
      when nil
        extra_options[:action] = options
      else
        extra_options[:template] = options
      end
      options = extra_options
    elsif !options.is_a?(Hash)
      extra_options[:partial] = options
      options = extra_options
    end

    default = pick_layout(options)
    default = default.path_without_format_and_extension unless default.nil?
    if ajax_layout = _layout_for_ajax(default)
      if ajax_layout = _find_ajax_layout(ajax_layout)
        options[:layout] = ajax_layout.path_without_format_and_extension
      end
    end
  end
  render_without_ajax(options, extra_options, &block)
end