Class: Component::Utils::ComponentNode

Inherits:
Object
  • Object
show all
Defined in:
app/concepts/component/utils/component_node.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(component_instance) ⇒ ComponentNode

Returns a new instance of ComponentNode.



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# File 'app/concepts/component/utils/component_node.rb', line 12

def initialize(component_instance)
  @hash = {}
  @node_start_id = 0
  @component_instance = component_instance
  component_instance.instance_variables.each do |component_instance_var_key|
    self.instance_variable_set(component_instance_var_key, component_instance.instance_variable_get(component_instance_var_key))
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &block) ⇒ Object 



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# File 'app/concepts/component/utils/component_node.rb', line 21

def method_missing meth, *args, &block
  begin
    @component_instance.send(meth, *args, &block)
  rescue
    node_id = @node_start_id + 1
    @node_start_id = node_id
    current_node = "#{meth}_#{@node_start_id}"
    @hash[current_node] = {}
    @hash[current_node]["component_name"] = meth.to_s
    @hash[current_node]["config"] = {}
    @hash[current_node]["argument"] = nil

    if meth == :partial
      @hash[current_node]["components"] = @component_instance.send(args.first, *args.drop(1))
    else
      if args.first.is_a?(Hash)
        @hash[current_node]["config"] = args.first
      else
        @hash[current_node]["argument"] = args.first
      end

      if block_given?
        @hash[current_node]["components"] = ComponentNode.build(@component_instance, &block)
      end
    end
  end

end

Instance Attribute Details

#hash ⇒ Object (readonly)

Returns the value of attribute hash.



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# File 'app/concepts/component/utils/component_node.rb', line 10

def hash
  @hash
end

Class Method Details

.build(component_instance, &block) ⇒ Object 



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# File 'app/concepts/component/utils/component_node.rb', line 4

def self.build(component_instance, &block)
  node = ComponentNode.new(component_instance)
  node.instance_eval(&block)
  node.hash
end