Module: Fortitude::Rails::RenderingMethods

Extended by:
ActiveSupport::Concern
Defined in:
lib/fortitude/rails/rendering_methods.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

._fortitude_register_renderer!Object


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# File 'lib/fortitude/rails/rendering_methods.rb', line 57

def self._fortitude_register_renderer!
  ::ActionController.add_renderer_without_fortitude(:widget) do |widget, options|
    ::Fortitude::Rails::RenderingMethods._fortitude_render_widget(self, widget, options)
  end
end

._fortitude_render_widget(controller, widget, options) ⇒ Object


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# File 'lib/fortitude/rails/rendering_methods.rb', line 23

def self._fortitude_render_widget(controller, widget, options)
  if ::Fortitude::Erector.is_erector_widget_class?(widget) || ::Fortitude::Erector.is_erector_widget_class?(widget.class)
    return ::Erector::Rails.render(widget, controller.view_context, { }, false, options)
  end

  view_context = controller.view_context

  if widget.kind_of?(Class)
    if widget < ::Fortitude::Widget
      widget = widget.new(widget.extract_needed_assigns_from(view_context.assigns))
    else
      raise "You tried to render something using 'render :widget' that is a class, but not a subclass of Fortitude::Widget: #{widget.inspect}"
    end
  end

  if (! widget.kind_of?(::Fortitude::Widget))
    raise "You tried to render something using 'render :widget' that is neither an instance of a subclass of Fortitude::Widget, nor a class that inherits from Fortitude::Widget: #{widget.inspect}"
  end

  rendering_context = controller.create_fortitude_rendering_context(
    :helpers_object => view_context, :output_buffer_holder => view_context)

  output_buffer = view_context.with_output_buffer do
    widget.render_to(rendering_context)
  end

  passed_options = options.dup
  passed_options.delete(:widget)
  passed_options[:text] = output_buffer.to_s
  passed_options[:layout] = true unless passed_options.has_key?(:layout)

  return controller.render_to_string(passed_options)
end

Instance Method Details

#create_fortitude_rendering_context(options) ⇒ Object


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# File 'lib/fortitude/rails/rendering_methods.rb', line 19

def create_fortitude_rendering_context(options)
  ::Fortitude::RenderingContext.new(options)
end

#fortitude_rendering_context_for(delegate_object, yield_block) ⇒ Object


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# File 'lib/fortitude/rails/rendering_methods.rb', line 13

def fortitude_rendering_context_for(delegate_object, yield_block)
  @_fortitude_rendering_contexts ||= { }
  @_fortitude_rendering_contexts[delegate_object.object_id] ||= create_fortitude_rendering_context(
    :delegate_object => delegate_object, :yield_block => yield_block)
end

#render_with_fortitude(*args, &block) ⇒ Object


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# File 'lib/fortitude/rails/rendering_methods.rb', line 63

def render_with_fortitude(*args, &block)
  if (options = args[0]).kind_of?(Hash) && (widget_block = options[:inline]) && (options[:type] == :fortitude)
    options.delete(:inline)

    rendering_context = fortitude_rendering_context_for(self, nil)
    widget_class = Class.new(Fortitude::Widgets::Html5)
    widget_class.use_instance_variables_for_assigns(true)
    widget_class.extra_assigns(:use)
    widget_class.send(:define_method, :content, &widget_block)

    assigns = { }
    instance_variables.each do |ivar_name|
      value = instance_variable_get(ivar_name)
      assigns[$1.to_sym] = value if ivar_name =~ /^@([^_].*)$/
    end
    assigns = assigns.merge(options[:locals] || { })

    widget = widget_class.new(assigns)
    new_args = [ options.merge(:widget => widget) ] + args[1..-1]
    return render_without_fortitude(*new_args, &block)
  end

  return render_without_fortitude(*args, &block)
end