diff options
author | José Valim <jose.valim@gmail.com> | 2010-10-10 11:03:18 +0200 |
---|---|---|
committer | José Valim <jose.valim@gmail.com> | 2010-10-10 12:43:26 +0200 |
commit | b88f4ca93bcaef9a6bfd21d95acc8f432a3c8e5c (patch) | |
tree | 94ca53a9d78f749b18ab6b325afc54a1c991f1ca /actionpack/lib/action_view/renderer/template_renderer.rb | |
parent | ab2f2b22a6d0656f719c294d40e35d21c752ba8c (diff) | |
download | rails-b88f4ca93bcaef9a6bfd21d95acc8f432a3c8e5c.tar.gz rails-b88f4ca93bcaef9a6bfd21d95acc8f432a3c8e5c.tar.bz2 rails-b88f4ca93bcaef9a6bfd21d95acc8f432a3c8e5c.zip |
Clean up the house before moving in the new furniture.
This commit moves all the template rendering logic that was hanging around AV::Base to renderer objects.
Diffstat (limited to 'actionpack/lib/action_view/renderer/template_renderer.rb')
-rw-r--r-- | actionpack/lib/action_view/renderer/template_renderer.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/renderer/template_renderer.rb b/actionpack/lib/action_view/renderer/template_renderer.rb new file mode 100644 index 0000000000..3acc68dcac --- /dev/null +++ b/actionpack/lib/action_view/renderer/template_renderer.rb @@ -0,0 +1,66 @@ +require 'action_view/renderer/abstract_renderer' + +module ActionView + class TemplateRenderer < AbstractRenderer #:nodoc: + def render(options) + wrap_formats(options[:template] || options[:file]) do + template = determine_template(options) + lookup_context.freeze_formats(template.formats, true) + render_template(template, options[:layout], options) + end + end + + # Determine the template to be rendered using the given options. + def determine_template(options) #:nodoc: + keys = (options[:locals] ||= {}).keys + + if options.key?(:inline) + handler = Template.handler_class_for_extension(options[:type] || "erb") + Template.new(options[:inline], "inline template", handler, { :locals => keys }) + elsif options.key?(:text) + Template::Text.new(options[:text], formats.try(:first)) + elsif options.key?(:file) + with_fallbacks { find_template(options[:file], options[:prefix], false, keys) } + elsif options.key?(:template) + options[:template].respond_to?(:render) ? + options[:template] : find_template(options[:template], options[:prefix], false, keys) + end + end + + # Renders the given template. An string representing the layout can be + # supplied as well. + def render_template(template, layout = nil, options = {}) #:nodoc: + view, locals = @view, options[:locals] || {} + layout = find_layout(layout, locals.keys) if layout + + ActiveSupport::Notifications.instrument("render_template.action_view", + :identifier => template.identifier, :layout => layout.try(:virtual_path)) do + + content = template.render(view, locals) { |*name| view._layout_for(*name) } + + if layout + view.store_content_for(:layout, content) + content = render_layout(layout, locals) + end + + content + end + end + + # This is the method which actually finds the layout using details in the lookup + # context object. If no layout is found, it checks if at least a layout with + # the given name exists across all details before raising the error. + def find_layout(layout, keys) + begin + with_layout_format do + layout =~ /^\// ? + with_fallbacks { find_template(layout, nil, false, keys) } : find_template(layout, nil, false, keys) + end + rescue ActionView::MissingTemplate => e + update_details(:formats => nil) do + raise unless template_exists?(layout) + end + end + end + end +end
\ No newline at end of file |