Class: Alexandria::BookProviders::Preferences

Inherits:
Array
  • Object
show all
Defined in:
lib/alexandria/book_providers.rb

Defined Under Namespace

Classes: Variable

Instance Method Summary collapse

Constructor Details

#initialize(provider) ⇒ Preferences

Returns a new instance of Preferences.



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# File 'lib/alexandria/book_providers.rb', line 130

def initialize(provider)
  @provider = provider
end

Instance Method Details

#[](obj) ⇒ Object 



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# File 'lib/alexandria/book_providers.rb', line 174

def [](obj)
  case obj
  when String
    var = variable_named(obj)
    var ? var.value : nil
  when Integer
    super(obj)
  end
end

#add(*args) ⇒ Object 



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# File 'lib/alexandria/book_providers.rb', line 170

def add(*args)
  self << Variable.new(@provider, *args)
end

#read ⇒ Object 



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# File 'lib/alexandria/book_providers.rb', line 188

def read
  each do |var|
    message = @provider.variable_name(var)
    val = Alexandria::Preferences.instance.send(message)
    var.value = val unless val.nil? || ((val == "") && var.mandatory?)
  end
end

#variable_named(name) ⇒ Object 



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# File 'lib/alexandria/book_providers.rb', line 184

def variable_named(name)
  find { |var| var.name == name }
end