I’d like to hide the "Add Link" button in menu.edit_form for certain roles. Running dpm($form) for this form I can’t find that button in there. In core there is menu_ui.links.action.yml with this snippet:
entity.menu.add_link_form: route_name: entity.menu.add_link_form title: 'Add link' class: Drupalmenu_uiPluginMenuLocalActionMenuLinkAdd appears_on: - entity.menu.edit_form I don’t get it how to hide this button within Hook menu_edit_form_alter. Any hints?
After Clives hint below I’ve added a routingsubcriber but it the User without administrator role does still have access to the form. This works fine at other places e.g. Webform but not at admin/structure/menu/manage/{menu}/add I tried it with different route from the menu Module too but still no chance.
<?php namespace Drupalhw_menuRouting; use DrupalCoreRoutingRouteSubscriberBase; use SymfonyComponentRoutingRouteCollection; /** * Class RouteSubscriber * * hiding menu editing components for non-admins * * @package Drupalhw_menuRouting */ class RouteSubscriber extends RouteSubscriberBase { /** * {@inheritdoc} */ protected function alterRoutes(RouteCollection $collection) { if ($route = $collection->get('entity.menu.add_link_form')) { dpm($route->getRequirements()); $route->setRequirement('_role', 'administrator'); dpm($route->getRequirements()); } } } 
