Class: Racket::Settings::Controller

Inherits:
Base
  • Object
show all
Defined in:
lib/racket/settings/controller.rb

Overview

Class for storing controller settings. This settings class will lookup settings further up in the inheritance chain and will use the application settings as a final fallback.

Instance Method Summary collapse

Methods inherited from Base

default_value, #delete, #present?, setting, #store

Constructor Details

#initialize(owner, defaults = {}) ⇒ Controller

Returns a new instance of Controller.



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# File 'lib/racket/settings/controller.rb', line 27

def initialize(owner, defaults = {})
  super(defaults)
  @owner = owner
end

Instance Method Details

#fetch(key, default = nil) ⇒ Object

Fetches settings from the current object. If the setting cannot be found in the current object, the objects class/superclass will be queried. If all controller classes in the inheritance chain has been queried, the application settings will be used as a final fallback.



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# File 'lib/racket/settings/controller.rb', line 36

def fetch(key, default = nil)
  return @custom[key] if @custom.key?(key)
  parent = @owner.is_a?(Class) ? @owner.superclass : @owner.class
  return @owner.context.application_settings.fetch(key, default) if
    @owner == ::Racket::Controller
  return parent.context.application_settings.fetch(key, default) if
    parent == ::Racket::Controller
  parent.settings.fetch(key, default)
end