module EnumHelp module SimpleForm module BuilderExtension def default_input_type_with_enum(*args, &block) att_name = (args.first || @attribute_name).to_s return :enum if (args.last.is_a?(Hash) ? args.last[:as] : @options[:as]).nil? && object.class.respond_to?(att_name.pluralize) default_input_type_without_enum(*args, &block) end end module InputExtension def initialize(*args) super raise "Attribute '#{attribute_name}' has no enum class" unless enum = object.class.send(attribute_name.to_s.pluralize) collect = enum.collect{|k,v| [::I18n.t("enums.#{object.class.to_s.underscore}.#{attribute_name}.#{k}", default: k),k] } # collect.unshift [args.last[:prompt],''] if args.last.is_a?(Hash) && args.last[:prompt] if respond_to?(:input_options) input_options[:collection] = collect else @builder.options[:collection] = collect end end end end end class EnumHelp::SimpleForm::EnumInput < ::SimpleForm::Inputs::CollectionSelectInput include EnumHelp::SimpleForm::InputExtension def input_html_classes super.push('form-control') end end SimpleForm::FormBuilder.class_eval do include EnumHelp::SimpleForm::BuilderExtension map_type :enum, :to => EnumHelp::SimpleForm::EnumInput alias_method :collection_enum, :collection_select alias_method_chain :default_input_type, :enum end