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Versions: 5
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Contents
module CustomFields
module CustomFieldsFor
def self.included(base)
base.extend(ClassMethods)
end
# Enhance an embedded collection by providing methods to manage custom fields
#
# class Company
# embeds_many :employees
# custom_fields_for :employees
# end
#
# class Employee
# embedded_in :company, :inverse_of => :employees
# field :name, String
# end
#
# company.employee_custom_fields.build :label => 'His/her position', :_alias => 'position', :kind => 'String'
#
# company.employees.build :name => 'Mickael Scott', :position => 'Regional manager'
#
module ClassMethods
def custom_fields_for(collection_name)
singular_name = collection_name.to_s.singularize
class_eval <<-EOV
field :#{singular_name}_custom_fields_counter, :type => Integer, :default => 0
embeds_many :#{singular_name}_custom_fields, :class_name => "::CustomFields::CustomField"
validates_associated :#{singular_name}_custom_fields
accepts_nested_attributes_for :#{singular_name}_custom_fields, :allow_destroy => true
def ordered_#{singular_name}_custom_fields
self.#{singular_name}_custom_fields.sort { |a, b| (a.position || 0) <=> (b.position || 0) }
end
EOV
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems