diff options
Diffstat (limited to 'actionpack/lib/abstract_controller/view_paths.rb')
-rw-r--r-- | actionpack/lib/abstract_controller/view_paths.rb | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/actionpack/lib/abstract_controller/view_paths.rb b/actionpack/lib/abstract_controller/view_paths.rb new file mode 100644 index 0000000000..c2a9f6336d --- /dev/null +++ b/actionpack/lib/abstract_controller/view_paths.rb @@ -0,0 +1,73 @@ +module AbstractController + module ViewPaths + extend ActiveSupport::Concern + + included do + class_attribute :_view_paths + self._view_paths = ActionView::PathSet.new + end + + delegate :template_exists?, :view_paths, :formats, :formats=, + :locale, :locale=, :to => :lookup_context + + # LookupContext is the object responsible to hold all information required to lookup + # templates, i.e. view paths and details. Check ActionView::LookupContext for more + # information. + def lookup_context + @lookup_context ||= ActionView::LookupContext.new(self.class._view_paths, details_for_lookup) + end + + def details_for_lookup + { } + end + + def append_view_path(path) + lookup_context.view_paths.push(*path) + end + + def prepend_view_path(path) + lookup_context.view_paths.unshift(*path) + end + + def template_exists?(*args) + lookup_context.exists?(*args) + end + + module ClassMethods + # Append a path to the list of view paths for this controller. + # + # ==== Parameters + # path<String, ViewPath>:: If a String is provided, it gets converted into + # the default view path. You may also provide a custom view path + # (see ActionView::ViewPathSet for more information) + def append_view_path(path) + self.view_paths = view_paths.dup + Array(path) + end + + # Prepend a path to the list of view paths for this controller. + # + # ==== Parameters + # path<String, ViewPath>:: If a String is provided, it gets converted into + # the default view path. You may also provide a custom view path + # (see ActionView::ViewPathSet for more information) + def prepend_view_path(path) + self.view_paths = Array(path) + view_paths.dup + end + + # A list of all of the default view paths for this controller. + def view_paths + _view_paths + end + + # Set the view paths. + # + # ==== Parameters + # paths<ViewPathSet, Object>:: If a ViewPathSet is provided, use that; + # otherwise, process the parameter into a ViewPathSet. + def view_paths=(paths) + self._view_paths = paths.is_a?(ActionView::PathSet) ? paths : ActionView::Base.process_view_paths(paths) + self._view_paths.freeze + end + end + end +end
\ No newline at end of file |