Module: Volt::StateManager

Included in:
ArrayModel, Model
Defined in:
lib/volt/models/state_manager.rb

Instance Method Summary collapse

Instance Method Details

#change_state_to(state_name, new_state, trigger = true) ⇒ Object

Called from the QueryListener when the data is loaded



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# File 'lib/volt/models/state_manager.rb', line 13

def change_state_to(state_name, new_state, trigger = true)
  # use an instance variable for the state storage
  ivar_name = :"@#{state_name}"

  old_state = instance_variable_get(ivar_name)
  instance_variable_set(ivar_name, new_state)

  # Trigger changed on the 'state' method
  if old_state != new_state && trigger
    dep = state_dep_for(state_name, false)
    dep.changed! if dep
  end
end

#state_for(state_name) ⇒ Object 



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# File 'lib/volt/models/state_manager.rb', line 3

def state_for(state_name)
  ivar_name = :"@#{state_name}"

  # Depend on the dep
  state_dep_for(state_name).depend

  instance_variable_get(ivar_name)
end