module ViewObject

# File lib/view_object/config.rb, line 10
def self.config
  @config
end

# File lib/view_object/config.rb, line 5
def self.configure(&block)
  yield @config ||= ViewObject::Configuration.new
end

# File lib/view_object.rb, line 43
def before_render(*names, &block)
  _insert_callbacks(names, block) do |name, options|
    set_callback(:render, :before, name, options)
  end
end

# File lib/view_object.rb, line 12
def dispatch_view_object(controller)
  return unless is_view_object_only_action(@@view_object_only, controller)
  return if is_view_object_ignore_action(@@view_object_ignore, controller)
  # dispatch actions
  Dispatcher.dispatch_view_object(controller)
end

# File lib/view_object.rb, line 24
def is_view_object_ignore_action(actions, controller)
  ignore_actions = actions.is_a?(Array) ? actions.map{ |action| action.to_s } : actions.to_s
  return (ignore_actions.present? && ignore_actions.include?(controller.params[:action].to_s))
end

# File lib/view_object.rb, line 19
def is_view_object_only_action(actions, controller)
  only_actions = actions.is_a?(Array) ? actions.map{ |action| action.to_s } : actions.to_s
  return (only_actions.blank? || only_actions.include?(controller.params[:action].to_s))
end

# File lib/view_object.rb, line 36
def render(*options, &block)
  run_callbacks(:render) do
    super
  end
end

# File lib/view_object.rb, line 29
def view_object_before_render(controller)
  vo = controller.instance_variable_get(:@view_object)
  return if vo.blank?
  return unless vo.respond_to?(:before_render)
  vo.send(:before_render)
end

# File lib/view_object.rb, line 53
def view_object_ignore(*actions)
  @@view_object_ignore = actions
end

# File lib/view_object.rb, line 49
def view_object_only(*actions)
  @@view_object_only = actions
end