Module: MizugumoLinkHelper

Includes:
ActionView::Helpers::UrlHelper
Defined in:
lib/mizugumo_link_helper.rb

Instance Method Summary collapse

Instance Method Details



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# File 'lib/mizugumo_link_helper.rb', line 27

def degradable_form_for_link(*args, &block)
  if block_given?
    return degradable_form_for_link(capture(&block), *args)
  else
    contents = args.shift
    if contents =~ /<img.+src=['"](\S+?)['"]/
      submit_element = image_submit_tag($1)
      title = "block was passed"
    else
      title = contents
      submit_element = button_tag(title, :type => 'submit')
    end
  end
  options       = args[0] || {}
  html_options  = args[1]
  action        = url_for(options)
  # debugger
  method = html_options[:method]

  # debugger

  cssclass      = [ 'mizugumo_graceful_form' ]
  cssclass      << html_options[:class] unless html_options[:class].blank?
  html_options = convert_options_to_data_attributes(options, html_options)
  html_options.merge!({:action => action, :method => :post, :title => title, :class => cssclass})
  html_options.delete('rel')
  html_options.delete('class')

  content_tag(:form, html_options) do
    hidden_field_tag("_method", method) +
    hidden_field_tag("authenticity_token", session[:_csrf_token]) +
    submit_element
  end
end

#link_to(*args, &block) ⇒ Object

Redefined link_to to provide Mizugumo-style graceful degradation. If a :method option was provided, this replaces the link with a form and specifies a class so that MizugumoScript will convert it to the expected link on Javascript-enabled browsers.



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# File 'lib/mizugumo_link_helper.rb', line 11

def link_to(*args, &block)
  if block_given?
    options       = args[0] || {}
    html_options  = args[1]
  else
    options       = args[1] || {}
    html_options  = args[2]
  end

  if html_options and html_options[:method]
    degradable_form_for_link(*args, &block)
  else
    super(*args, &block)
  end
end