Class: WonderNavigation::DeferrableOption

Inherits:
Object
  • Object
show all
Defined in:
lib/wonder_navigation/deferrable_option.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ DeferrableOption

Returns a new instance of DeferrableOption.



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# File 'lib/wonder_navigation/deferrable_option.rb', line 5

def initialize(options = {})
  @fixed_value_assigned = options.has_key?(:fixed) && !options[:fixed].nil?
  @fixed_value = options[:fixed]
  @block       = options[:block]
  @name        = options[:name]
end

Instance Attribute Details

#block ⇒ Object

Returns the value of attribute block.



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# File 'lib/wonder_navigation/deferrable_option.rb', line 3

def block
  @block
end

#fixed_value ⇒ Object

Returns the value of attribute fixed_value.



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# File 'lib/wonder_navigation/deferrable_option.rb', line 3

def fixed_value
  @fixed_value
end

#fixed_value_assigned ⇒ Object

Returns the value of attribute fixed_value_assigned.



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# File 'lib/wonder_navigation/deferrable_option.rb', line 3

def fixed_value_assigned
  @fixed_value_assigned
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/wonder_navigation/deferrable_option.rb', line 3

def name
  @name
end

Instance Method Details

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wonder_navigation/deferrable_option.rb', line 12

def present?
  fixed_value_assigned || !!block
end

#resolvable?(object) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wonder_navigation/deferrable_option.rb', line 16

def resolvable?(object)
  fixed_value_assigned || !!block && (!!object || block.arity.zero?)
end

#resolve(object) ⇒ Object 



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# File 'lib/wonder_navigation/deferrable_option.rb', line 24

def resolve(object)
  check_resolvable(object)
  fixed_value_assigned ? fixed_value : block.call(object)
end

#try_resolve(object) ⇒ Object 



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# File 'lib/wonder_navigation/deferrable_option.rb', line 20

def try_resolve(object)
  resolve(object) if resolvable?(object)
end