module Trestle module UrlHelper DIALOG_ACTIONS = [:new, :show, :edit] def admin_link_to(content, instance_or_url=nil, options={}, &block) if block_given? instance_or_url, options = content, instance_or_url || {} content = capture(&block) end if instance_or_url.is_a?(String) link_to(content, instance_or_url, options) else if instance_or_url.is_a?(Hash) instance_or_url, options = nil, instance_or_url end if options.key?(:admin) admin = Trestle.lookup(options.delete(:admin)) elsif instance_or_url.respond_to?(:id) admin = admin_for(instance_or_url) end admin ||= self.admin if respond_to?(:admin) if admin action = options.delete(:action) || :show params = options.delete(:params) || {} params[:id] ||= admin.to_param(instance_or_url) if instance_or_url if DIALOG_ACTIONS.include?(action) && admin.form.dialog? options[:data] ||= {} options[:data][:behavior] ||= "dialog" end link_to(content, admin.path(action, params), options) else raise ActionController::UrlGenerationError, "An admin could not be inferred. Please specify an admin using the :admin option." end end end def admin_url_for(instance, options={}) admin = Trestle.lookup(options[:admin]) if options.key?(:admin) admin ||= admin_for(instance) admin.path(options[:action] || :show, id: admin.to_param(instance)) if admin end def admin_for(instance) Trestle.admins[instance.class.name.underscore.pluralize] end end end