Module: ErrorMessagesHelper

Defined in:
lib/generators/nifty/layout/templates/error_messages_helper.rb

Defined Under Namespace

Modules: FormBuilderAdditions

Instance Method Summary collapse

Instance Method Details

#error_messages_for(*objects) ⇒ Object

Render error messages for the given objects. The :message and :header_message options are allowed.



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# File 'lib/generators/nifty/layout/templates/error_messages_helper.rb', line 3

def error_messages_for(*objects)
  options = objects.extract_options! 
  options[:header_message] ||= "Invalid Fields"
  options[:message] ||= "Correct the following errors and try again."
  messages = objects.compact.map { |o| o.errors.full_messages }.flatten
  unless messages.empty?
    content_tag(:div, :class => "error_messages") do
      list_items = messages.map { |msg| content_tag(:li, msg) }
      content_tag(:h2, options[:header_message]) + content_tag(:p, options[:message]) + content_tag(:ul, list_items.join.html_safe)
    end
  end
end