Module: Cms::Behaviors::InstanceMethods

Defined in:
lib/cms/behaviors/rendering.rb

Instance Method Summary collapse

Instance Method Details

#perform_render(controller) ⇒ Object 



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# File 'lib/cms/behaviors/rendering.rb', line 114

def perform_render(controller)
  return "Exception: #{@render_exception}" if @render_exception


  unless @controller
    # We haven't prepared to render. This should only happen when logged in, as we don't want
    # errors to bubble up and prevent the page being edited in that case.
    prepare_to_render(controller)
  end

  if self.respond_to?(:deleted) && self.deleted
    logger.error "Attempting to render deleted object: #{self.inspect}"
    msg = (@mode == 'edit' ? %Q[<div class="error">This #{self.class.name} has been deleted.  Please remove this container from the page</div>] : '')
    return msg
  end

  # Create, Instantiate and Initialize the view
  action_view = Cms::ViewContext.new(@controller, assigns_for_view)

  add_content_helpers_if_defined(action_view)

  # Determine if this content should render from a file system template or inline (i.e. database based template)
  if respond_to?(:inline_options) && self.inline_options && self.inline_options.has_key?(:inline)
    options = self.inline_options
    locals = {}
    action_view.render(options, locals)
  else
    action_view.render(:file => self.class.template_path)
  end
end

#prepare_to_render(controller) ⇒ Object 



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# File 'lib/cms/behaviors/rendering.rb', line 99

def prepare_to_render(controller)
  # Give this renderable a reference to the controller
  @controller = controller

  copy_instance_variables_from_controller!

  # This gives the view a reference to this object
  instance_variable_set(self.class.instance_variable_name_for_view, self)

  # This is like a controller action
  # We will call it if you have defined a render method
  # but if you haven't we won't
  render if should_render_self?
end

#render_exception=(exception) ⇒ Object 



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# File 'lib/cms/behaviors/rendering.rb', line 145

def render_exception=(exception)
  @render_exception = exception
end

#should_render_self? ⇒ Boolean

Determines if a block should have its ‘render’ method called when it’s rendered within a page.

Returns:

  • (Boolean) 


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# File 'lib/cms/behaviors/rendering.rb', line 150

def should_render_self?
  # Reason to exist: This was added to work around the fact that Rails 3 AbstractController::Helpers defines its own
  # render method, which was conflicted with block's render methods.
  public_methods(false).include?(:render)
end