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@MattHall
Created September 4, 2010 08:00
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module ErrorsHelper
def error_messages_for(*params)
options = params.extract_options!.symbolize_keys
if object = options.delete(:object)
objects = Array.wrap(object)
else
objects = params.collect {|object_name| instance_variable_get("@#{object_name}") }.compact
end
count = objects.inject(0) {|sum, object| sum + object.errors.count }
unless count.zero?
html = {}
[:id, :class].each do |key|
if options.include?(key)
value = options[key]
html[key] = value unless value.blank?
else
html[key] = 'errorExplanation'
end
end
options[:object_name] ||= params.first
I18n.with_options :locale => options[:locale], :scope => [:activerecord, :errors, :template] do |locale|
header_message = if options.include?(:header_message)
options[:header_message]
else
object_name = options[:object_name].to_s
object_name = I18n.t(object_name, :default => object_name.gsub('_', ' '), :scope => [:activerecord, :models], :count => 1)
locale.t :header, :count => count, :model => object_name
end
message = options.include?(:message) ? options[:message] : locale.t(:body)
error_messages = objects.sum do |object|
object.errors.on(:name)
full_flat_messages(object).map do |msg|
content_tag(:li, ERB::Util.html_escape(msg))
end
end.join.html_safe
contents = ''
contents << content_tag(options[:header_tag] || :h2, header_message) unless header_message.blank?
contents << content_tag(:p, message) unless message.blank?
contents << content_tag(:ul, error_messages)
content_tag(:div, contents.html_safe, html)
end
else
''
end
end
####################
#
# added to make the errors display in a single line per field
#
####################
def full_flat_messages(object)
message_bucket = {}
full_messages = []
object.errors.each do |error|
if message_bucket[error[0].to_sym].nil?
message_bucket[error[0].to_sym] = true
full_messages << (error[0]).titleize + ' ' + error[1]
end
end
full_messages
end
end
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