class Transitions::State
Attributes
name[R]
options[R]
Public Class Methods
new(name, options = {})
click to toggle source
# File lib/transitions/state.rb, line 5 def initialize(name, options = {}) @name = name if machine = options.delete(:machine) define_state_query_method(machine) end update(options) end
Public Instance Methods
==(other)
click to toggle source
# File lib/transitions/state.rb, line 13 def ==(other) if other.is_a? Symbol name == other else name == other.name end end
call_action(action, record)
click to toggle source
# File lib/transitions/state.rb, line 21 def call_action(action, record) action = @options[action] case action when Symbol, String record.send(action) when Proc action.call(record) end end
display_name()
click to toggle source
# File lib/transitions/state.rb, line 31 def display_name @display_name ||= name.to_s.tr('_', ' ').capitalize end
for_select()
click to toggle source
# File lib/transitions/state.rb, line 35 def for_select [display_name, name.to_s] end
update(options = {})
click to toggle source
# File lib/transitions/state.rb, line 39 def update(options = {}) @display_name = options.delete(:display) if options.key?(:display) @options = options self end
Private Instance Methods
define_state_query_method(machine)
click to toggle source
# File lib/transitions/state.rb, line 47 def define_state_query_method(machine) method_name = "#{@name}?" state_name = @name # Instance vars are out of scope when calling define_method below, so we use local variables. if machine.klass.method_defined?(method_name.to_sym) fail InvalidMethodOverride, "Transitions: Can not define method `#{method_name}` because it is already"\ 'defined - either rename the existing method or the state.' end machine.klass.send :define_method, method_name do current_state.to_s == state_name.to_s end end