Module: Opal::StateMachine

Defined in:
lib/opal/aasm.rb,
lib/opal/aasm/version.rb

Defined Under Namespace

Modules: AASMAPI

Constant Summary collapse

VERSION = 
"0.7.0"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extend_react_component(where, klass = nil) ⇒ Object

1 we are required first, we are included first

2 we are required first, we are included second

3 we are required second, we are included first 4 we are required second, we are included second 5 we are required, but they are not



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# File 'lib/opal/aasm.rb', line 20

def self.extend_react_component(where, klass = nil)
  return if klass and klass.respond_to? :aasm_event_fired # case 4 already handled when we were required.
  if klass and klass.respond_to? :define_state
    # case 2
    klass.define_state :protected_current_react_state_var
    klass.define_method :aasm_event_fired do |event, from, to|
      protected_current_react_state_var! to.to_s if from != to
    end
  elsif defined? React::Component
    # case 3 + 4 (second call from include will be ignored)
    # case 1 (first call from require will be ignored)
    React::Component.module_eval do
      # alias_method does not work on :included so we do it the hard way
      unless @original_included_method_for_state_machine
        @original_included_method_for_state_machine = self.method(:included) 
        def self.included(base)
          @original_included_method_for_state_machine.call(base)
          base.define_state :protected_current_react_state_var
          base.define_method :aasm_event_fired do |event, from, to|
            protected_current_react_state_var! to.to_s if from != to
          end
        end
      end 
    end
  end
end

.included(base) ⇒ Object 



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# File 'lib/opal/aasm.rb', line 76

def self.included(base)
  
  Opal::StateMachine.extend_react_component("StateMachine included", base)

  base.include AASM
  base.extend AASMAPI

end

Instance Method Details

#current_state ⇒ Object 



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# File 'lib/opal/aasm.rb', line 47

def current_state
  protected_current_react_state_var if respond_to? :render
  aasm.current_state.to_s
end