Module: ExtendIt::Base

Included in:
AdminIt::Context, AdminIt::Field, AdminIt::Filter, AdminIt::Resource, AdminIt::Section
Defined in:
lib/extend_it/base.rb

Instance Method Summary collapse

Instance Method Details

#attr_checker(*names) ⇒ Object 



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# File 'lib/extend_it/base.rb', line 24

def attr_checker(*names)
  names.ensure_symbols.each do |name|
    define_method "#{name}?" do
      instance_variable_get("@#{name}") == true
    end
  end
end

#call_inherited(method_name, *args, base_first: false, &block) ⇒ Object 



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# File 'lib/extend_it/base.rb', line 32

def call_inherited(method_name, *args, base_first: false, &block)
  arr = parents.select { |parent| parent.methods.include?(method_name) }
  arr.reverse! if base_first == true
  arr.reduce([]) { |a, e| a << e.send(method_name, *args, &block) }
end

#class_attr_reader(*attrs) ⇒ Object 



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# File 'lib/extend_it/base.rb', line 48

def class_attr_reader(*attrs)
  attrs.ensure_symbols.each do |attr_name|
    attr_name.ensure_local_name || next
    next if instance_methods.include?(attr_name)
    var_name = attr_name.ensure_instance_variable_name
    if methods.include?(attr_name)
      define_method(attr_name) { self.class.send(attr_name) }
    else
      define_method attr_name do
        p = self.class.parents.find do |parent|
          parent.instance_variable_defined?(var_name)
        end
        p.nil? ? nil : p.instance_variable_get(var_name)
      end
    end
  end
end

#inherited_class_reader(*names) ⇒ Object 



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# File 'lib/extend_it/base.rb', line 38

def inherited_class_reader(*names)
  names.ensure_symbols.each do |name|
    var = "@#{name}"
    define_singleton_method(name) do
      p = parents.find { |parent| parent.instance_variable_defined?(var) }
      p.nil? ? nil : p.instance_variable_get(var)
    end
  end
end

#metaclass(&block) ⇒ Object 



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# File 'lib/extend_it/base.rb', line 15

def metaclass(&block)
  if @metaclass.nil?
    @metaclass = (class << self; self end)
    @metaclass.extend(Base)
  end
  @metaclass.class_eval(&block) if block_given?
  @metaclass
end