# Default JS controller for all actions in current Rails controller
# Set a new value or get current value
def self.js_controller(new_value = nil)
  @js_controller = new_value || @js_controller || self.name.sub(/Controller$/, '').gsub(/::/, /-/)
end

# Lets each action customize it
attr_writer :js_controller

# If action does not set a value, use controller default value
def js_controller
  @js_controller || self.class.js_controller
end
helper_method :js_controller