Module: Lotus::View::Rendering

Defined in:

lib/lotus/view/rendering.rb,
lib/lotus/view/rendering/scope.rb,
lib/lotus/view/rendering/partial.rb,
lib/lotus/view/rendering/registry.rb,
lib/lotus/view/rendering/template.rb,
lib/lotus/view/rendering/null_layout.rb,
lib/lotus/view/rendering/view_finder.rb,
lib/lotus/view/rendering/layout_scope.rb,
lib/lotus/view/rendering/layout_finder.rb,
lib/lotus/view/rendering/null_template.rb,
lib/lotus/view/rendering/template_name.rb,
lib/lotus/view/rendering/partial_finder.rb,
lib/lotus/view/rendering/layout_registry.rb,
lib/lotus/view/rendering/template_finder.rb,
lib/lotus/view/rendering/templates_finder.rb

Overview

Rendering methods

See Also:

• InstanceMethods

Since:

• 0.1.0

Defined Under Namespace

Modules: InstanceMethods Classes: LayoutFinder, LayoutRegistry, LayoutScope, NullLayout, NullTemplate, Partial, PartialFinder, Registry, Scope, Template, TemplateFinder, TemplateName, TemplatesFinder, ViewFinder

Class Method Summary

• .extended(base) ⇒ Object

Instance Method Summary

• #render(context) ⇒ String

  Render the given context and locals with the appropriate template.

Class Method Details

.extended(base) ⇒ Object

Since:

• 0.1.0

# File 'lib/lotus/view/rendering.rb', line 12

def self.extended(base)
  base.class_eval do
    include InstanceMethods
  end
end

Instance Method Details

#render(context) ⇒ String

Render the given context and locals with the appropriate template. If there are registered subclasses, it choose the right class, according

to the requested format.

Examples:

require 'lotus/view'

article = OpenStruct.new(title: 'Hello')

module Articles
  class Show
    include Lotus::View

    def title
      @title ||= article.title.upcase
    end
  end

  class JsonShow < Show
    format :json

    def title
      super.downcase
    end
  end
end

Lotus::View.root = '/path/to/templates'
Lotus::View.load!

Articles::Show.render(format: :html,  article: article)
  # => renders `articles/show.html.erb`

Articles::Show.render(format: :json, article: article)
  # => renders `articles/show.json.erb`

Articles::Show.render(format: :xml, article: article)
  # => raises Lotus::View::MissingTemplateError

Parameters:

• context (Hash) —

  the context for the rendering process

Options Hash (context):

• :format (Symbol) —

  the requested format

Returns:

• (String) —

  the output of the rendering process

Raises:

• (Lotus::View::MissingTemplateError) —

  if it can’t find a template for the given context

• (Lotus::View::MissingFormatError) —

  if the given context doesn’t have the :format key

See Also:

• Lotus::View#initialize
• Lotus::View#render

Since:

• 0.1.0

# File 'lib/lotus/view/rendering.rb', line 235

def render(context)
  registry.resolve(context).render
end