lib/vendor/validation_reflection.rb @@ -60,6 +60,12 @@ And if the field's value is invalid: See Mr Budd's good book for discussion of the HTML and the CSS to go with it. +Required fields +=============== + +Thanks to Bill, the form builder automatically detects required fields (by looking for :validates_presence_of in the model) and marks them up appropriately. + + Configuration ============= README.markdown @@ -1,3 +1,5 @@ +require 'vendor/validation_reflection' + ActionView::Base.field_error_proc = Proc.new { |html_tag, instance| html_tag } ActionView::Base.send :include, AirBlade::AirBudd::FormHelper init.rb @@ -320,7 +320,7 @@ module AirBlade text = options.delete(:label) || field.to_s.humanize suffix = options.delete(:suffix) || label_suffix value = text + suffix - if (required = options.delete(:required)) + if (required = mandatory?(field, options.delete(:required))) required = required_signifier if required == true value += " <em class='required'>#{required}</em>" end @@ -338,6 +338,14 @@ module AirBlade @template.content_tag :label, value, html_options end + def mandatory?(method, override = nil) + return override unless override.nil? + # Leverage vendor/validation_reflection.rb + if @object.class.respond_to? :reflect_on_validations_for + @object.class.reflect_on_validations_for(method).any? { |v| v.macro == :validates_presence_of } + end + end + # Writes out a <span/> element with a hint for how to fill in a field. # Options: # - :hint: text for the hint. Optional. lib/air_blade/air_budd/form_builder.rb d3b07eecc72a78423726debdbb12b37c674e268b Andy Stewart boss@airbladesoftware.com http://github.com/airblade/air_budd_form_builder/commit/09a65291a0026697f87ca38325a44ba341dacb0e 09a65291a0026697f87ca38325a44ba341dacb0e 2008-10-06T05:17:31-07:00 2008-10-06T05:17:31-07:00 Added automatic detection of mandatory fields by borrowing Dan Webb's enhanced_form_builder's hook to Michael Schuerig's ValidationReflection module. Thanks to Bill. 779bd39b3d5feba121170aa61bfacc5d9a0706a6 Andy Stewart boss@airbladesoftware.com