@@ -75,6 +75,21 @@ Now say you just want to give your horse a whole different array of traits. Or h @horse.traits # => 4 @horse.traits.to_a # => [:fluffy] (value of "smug" was false, hence only :fluffy was set) +== New instance methods + +Along with having traits, the @horse will not have specialized attributes for each trait. + + @horse.traits_fluffy # => true + @horse.traits_happy # => false + +This helps creating checkboxes for Horse model, as follows. + + <%= f.label :traits_fluffy, 'Fluffy' %> + <%= f.check_box :traits_fluffy %> + + <%= f.label :traits_happy, 'Happy' %> + <%= f.check_box :traits_happy %> + == Finding fluffy horse in the database Integer_fu provides an efficient and flexible way to find all matching horses in database. Here's how you find :happy AND :fluffy horses: README.rdoc @@ -36,6 +36,19 @@ module IntegerFu end end + for value_name in options[:values] + class_eval <<-ruby + def #{attr_name}_#{value_name}=(arg) + arg = (arg == "0" ? false : arg) + self.#{attr_name}["#{value_name}"] = arg + end + + def #{attr_name}_#{value_name} + self.#{attr_name}["#{value_name}"] + end + ruby + end + named_scope attr_name, proc { |*args| args = helpers.symbolize(args.flatten) cumulative_value = helpers.array_to_integer_with_keys(options[:values], args) lib/integer_fu.rb e8ef9135601cca77eb540b3f13374fc22c21029b Maxim Chernyak max@bitsonnet.com http://github.com/maxim/integer_fu/commit/194e7437febd0677cdd145be7f3d9090ca36a8da 194e7437febd0677cdd145be7f3d9090ca36a8da 2009-04-30T09:01:18-07:00 2009-04-30T09:01:18-07:00 Add auto-generated accessors for each mapped value to enable seamless check_box helper usage. Update README. f028751b28dfa1136ae55b976a24481d68958f37 Maxim Chernyak max@bitsonnet.com