@@ -1,31 +1,57 @@ module ActionView module Helpers module ActiveRecordHelper - # Returns a string with a div containing all the error messages for the object located as an instance variable by the name - # of <tt>object_name</tt>. This div can be tailored by the following options: + # Returns a string with a div containing all of the error messages for the objects located as instance variables by the names + # given. If more than one object is specified, the errors for the objects are displayed in the order that the object names are + # provided. + # + # This div can be tailored by the following options: # # * <tt>header_tag</tt> - Used for the header of the error div (default: h2) # * <tt>id</tt> - The id of the error div (default: errorExplanation) # * <tt>class</tt> - The class of the error div (default: errorExplanation) + # * <tt>object_name</tt> - The object name to use in the header, or + # any text that you prefer. If <tt>object_name</tt> is not set, the name of + # the first object will be used. + # + # Specifying one object: + # + # error_messages_for 'user' + # + # Specifying more than one object (and using the name 'user' in the + # header as the <tt>object_name</tt> instead of 'user_common'): + # + # error_messages_for 'user_common', 'user', :object_name => 'user' # # NOTE: This is a pre-packaged presentation of the errors with embedded strings and a certain HTML structure. If what # you need is significantly different from the default presentation, it makes plenty of sense to access the object.errors # instance yourself and set it up. View the source of this method to see how easy it is. # - # Retrofitted for Globalize by André Camargo - def error_messages_for(object_name, options = {}) - options = options.symbolize_keys - object = instance_variable_get("@#{object_name}") - unless object.errors.empty? - content_tag("div", - content_tag( - options[:header_tag] || "h2", - "%d errors prohibited this #{object_name.to_s.gsub("_", " ").t} from being saved" / object.errors.count - ) + - content_tag("p", "There were problems with the following fields:".t) + - content_tag("ul", object.errors.full_messages.collect { |msg| content_tag("li", msg) }), - "id" => options[:id] || "errorExplanation", "class" => options[:class] || "errorExplanation" + # Adapted for Globalize Edge Rails by Claudio Poli (claudio@icoretech.org) + def error_messages_for(*params) + options = params.last.is_a?(Hash) ? params.pop.symbolize_keys : {} + objects = params.collect {|object_name| instance_variable_get("@#{object_name}") }.compact + 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 + header_message = "#{pluralize(count, 'error')} prohibited this #{(options[:object_name] || params.first).to_s.gsub('_', ' ').t} from being saved" + error_messages = objects.map {|object| object.errors.full_messages.map {|msg| content_tag(:li, msg) } } + content_tag(:div, + content_tag(options[:header_tag] || :h2, header_message) << + content_tag(:p, 'There were problems with the following fields:'.t) << + content_tag(:ul, error_messages), + html ) + else + '' end end end lib/globalize/rails/active_record_helper.rb c698f326c400de40fb771755889926656af89d8f Nate Clark nate@nateclark.com http://github.com/heythisisnate/globalize/commit/ee308406fce7f97681ec2e5813884dfa476a6c1b ee308406fce7f97681ec2e5813884dfa476a6c1b 2008-06-14T13:40:47-07:00 2008-06-14T13:40:47-07:00 changes to active_record_helper.rb from http://codesnippets.joyent.com/posts/show/896 dd5a71109684754b1bb45252d6b966a57205c1a4 Nate Clark nate@nateclark.com