Class: SmartProperties::PropertyCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/smart_properties/property_collection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PropertyCollection

Returns a new instance of PropertyCollection.



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# File 'lib/smart_properties/property_collection.rb', line 23

def initialize
  @collection = {}
  @collection_with_parent_collection = {}
  @children = []
end

Instance Attribute Details

#children ⇒ Object (protected)

Returns the value of attribute children.



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# File 'lib/smart_properties/property_collection.rb', line 70

def children
  @children
end

#collection ⇒ Object (protected)

Returns the value of attribute collection.



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# File 'lib/smart_properties/property_collection.rb', line 71

def collection
  @collection
end

#collection_with_parent_collection ⇒ Object (protected)

Returns the value of attribute collection_with_parent_collection.



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# File 'lib/smart_properties/property_collection.rb', line 72

def collection_with_parent_collection
  @collection_with_parent_collection
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/smart_properties/property_collection.rb', line 5

def parent
  @parent
end

Class Method Details

.for(scope) ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 7

def self.for(scope)
  parents = scope.ancestors[1..-1].select do |ancestor|
    ancestor.ancestors.include?(SmartProperties) &&
      ancestor != scope &&
      ancestor != SmartProperties
  end

  collection = new

  parents.reverse.each do |parent|
    parent.properties.register(collection)
  end

  collection
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 37

def [](name)
  collection_with_parent_collection[name.to_s]
end

#[]=(name, value) ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 29

def []=(name, value)
  name = name.to_s
  collection[name] = value
  collection_with_parent_collection[name] = value
  notify_children
  value
end

#each(&block) ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 53

def each(&block)
  return to_enum(:each) if block.nil?
  collection_with_parent_collection.each { |name, value| block.call([name.to_sym, value]) }
end

#key?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/smart_properties/property_collection.rb', line 41

def key?(name)
  collection_with_parent_collection.key?(name.to_s)
end

#keys ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 45

def keys
  collection_with_parent_collection.keys.map(&:to_sym)
end

#notify_children ⇒ Object (protected) 



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# File 'lib/smart_properties/property_collection.rb', line 74

def notify_children
  @children.each { |child| child.refresh(collection_with_parent_collection) }
end

#refresh(parent_collection) ⇒ Object (protected) 



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# File 'lib/smart_properties/property_collection.rb', line 78

def refresh(parent_collection)
  @collection_with_parent_collection.merge!(parent_collection)
  notify_children
  nil
end

#register(child) ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 62

def register(child)
  children.push(child)
  child.refresh(collection_with_parent_collection)
  nil
end

#to_hash ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 58

def to_hash
  Hash[each.to_a]
end

#values ⇒ Object 



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# File 'lib/smart_properties/property_collection.rb', line 49

def values
  collection_with_parent_collection.values
end