Class: Interview::Control

Inherits:
Object
  • Object
show all
Includes:
Draper::ViewHelpers
Defined in:
lib/interview/control.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Control

Returns a new instance of Control.



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# File 'lib/interview/control.rb', line 7

def initialize(params={})
  set_attributes(params)
  set_defaults
end

Instance Attribute Details

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/interview/control.rb', line 5

def parent
  @parent
end

Class Method Details

.build(opts = {}) ⇒ Object 



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# File 'lib/interview/control.rb', line 62

def self.build(opts={})
  return @definition.build(opts)
end

.definition ⇒ Object 



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# File 'lib/interview/control.rb', line 58

def self.definition
  return @definition
end

.inherited(subclass) ⇒ Object 



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# File 'lib/interview/control.rb', line 66

def self.inherited(subclass)
  new_def = @definition.deep_dup
  new_def.klass = subclass.name.underscore.to_sym
  subclass.instance_variable_set :@definition, new_def
end

Instance Method Details

#ancestors ⇒ Object 



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# File 'lib/interview/control.rb', line 29

def ancestors
  if @parent.nil?
    return []
  else
    return [@parent] + @parent.ancestors
  end
end

#find_attribute(attribute) ⇒ Object 



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# File 'lib/interview/control.rb', line 37

def find_attribute(attribute)
  return nil if @parent.nil?
  if @parent.respond_to? attribute
    return @parent.send attribute
  else
    return @parent.find_attribute attribute
  end
end

#find_attribute!(attr_name) ⇒ Object 



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# File 'lib/interview/control.rb', line 46

def find_attribute!(attr_name)
  attribute = find_attribute(attr_name)
  throw "Attribute #{attr_name} was not found." if attribute.nil?
  return attribute
end

#render ⇒ Object 



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# File 'lib/interview/control.rb', line 52

def render
  return ''
end

#set_attributes(params = {}) ⇒ Object 



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# File 'lib/interview/control.rb', line 12

def set_attributes(params={})
  params.each do |key, value|
    key = "#{key}=".to_sym
    if respond_to?(key) # and not value.nil?
      send(key, value)
    end
  end
end

#set_defaults ⇒ Object 



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# File 'lib/interview/control.rb', line 21

def set_defaults
  if self.class.const_defined? 'DEFAULTS'
    self.class::DEFAULTS.each do |key, value|
      self.send("#{key}=".to_sym, value)
    end
  end
end