', [], ['query' => $request->query->all()]));
+ $request->query->remove('destination');
+ }
+
+}
diff --git a/src/Form/GroupMenuSettingsForm.php b/src/Form/GroupMenuSettingsForm.php
index e69de29..1f3e482 100644
--- a/src/Form/GroupMenuSettingsForm.php
+++ b/src/Form/GroupMenuSettingsForm.php
@@ -0,0 +1,66 @@
+config('groupmenu.settings');
+
+ $form['groupmenu_hide_list'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Hide group menus from menu lists'),
+ '#description' => $this->t("Hide group menus from default menu lists. (recommended)"),
+ '#default_value' => $config->get('groupmenu_hide_list'),
+ ];
+
+ $form['config_sync_groupmenu_ignore'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Configuration sync: ignore group menus'),
+ '#description' => $this->t("Do not export group menus and do not delete group menus on configuration import."),
+ '#default_value' => $config->get('config_sync_groupmenu_ignore'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $config = $this->config('groupmenu.settings');
+ $form_config_sync = $form_state->getValue('config_sync_groupmenu_ignore');
+ $form_hide_list = $form_state->getValue('groupmenu_hide_list');
+
+ $config->set('config_sync_groupmenu_ignore', $form_config_sync)->save();
+ $config->set('groupmenu_hide_list', $form_hide_list)->save();
+
+ parent::submitForm($form, $form_state);
+ }
+
+}
diff --git a/src/GroupMenuListBuilder.php b/src/GroupMenuListBuilder.php
index e69de29..28b40cd 100644
--- a/src/GroupMenuListBuilder.php
+++ b/src/GroupMenuListBuilder.php
@@ -0,0 +1,34 @@
+fields('gm', array('entity_id'))
+ ->execute()
+ ->fetchAll(\PDO::FETCH_COLUMN, 0);
+
+ $query = $this->getStorage()->getQuery()
+ ->condition($this->entityType->getKey('id'), $groupmenu_ids, 'NOT IN')
+ ->sort($this->entityType->getKey('id'));
+
+ // Only add the pager if a limit is specified.
+ if ($this->limit) {
+ $query->pager($this->limit);
+ }
+ return $query->execute();
+ }
+
+}
diff --git a/src/GroupMenuStorageComparer.php b/src/GroupMenuStorageComparer.php
index e69de29..d4049c1 100644
--- a/src/GroupMenuStorageComparer.php
+++ b/src/GroupMenuStorageComparer.php
@@ -0,0 +1,52 @@
+get('config_sync_groupmenu_ignore')) {
+ $this->removeChangelistGroupMenus();
+ }
+ return $this;
+ }
+
+ /**
+ * Modifies changelist to remove group menus.
+ */
+ protected function removeChangelistGroupMenus() {
+ // Get Drupal database connection.
+ $connection = \Drupal::database();
+
+ // Build query to select group menu configuration names.
+ $query = $connection->select('config', 'c');
+ $query->join('groupmenu_field_data', 'gm', "concat('system.menu.', gm.entity_id) = c.name");
+ $query->fields('c', array('name'));
+ $gm_names = $query->execute()->fetchCol();
+
+ $changelist = $this->getChangelist();
+
+ // Iterate through each change operation.
+ foreach ($changelist as $op => $names) {
+ // Iterate through each item in operation and remove if group menu.
+ foreach($names as $name) {
+ if (in_array($name, $gm_names)) {
+ $this->removeFromChangelist(StorageInterface::DEFAULT_COLLECTION, $op, $name);
+ }
+ }
+ }
+ }
+
+}
diff --git a/src/Plugin/GroupContentEnabler/GroupMenu.php b/src/Plugin/GroupContentEnabler/GroupMenu.php
index e69de29..31ad2ef 100644
--- a/src/Plugin/GroupContentEnabler/GroupMenu.php
+++ b/src/Plugin/GroupContentEnabler/GroupMenu.php
@@ -0,0 +1,109 @@
+ $group->id()];
+
+ if ($group->hasPermission("create group menus", $account)) {
+ $operations["group-menu-create-menu"] = [
+ 'title' => $this->t('Create menu'),
+ 'url' => new Url('entity.groupmenu.groupmenu_add_form', $route_params),
+ 'weight' => 31,
+ ];
+ }
+ if ($group->hasPermission("edit group menus", $account)) {
+ $operations["group-menu-update-menu"] = [
+ 'title' => $this->t('Edit menus'),
+ 'url' => new Url('entity.groupmenu.groupmenu_add_form', $route_params),
+ 'weight' => 32,
+ ];
+ }
+
+ return $operations;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPermissions() {
+ // Add our own permissions for managing the menus.
+ $defaults = [
+ 'description' => 'Only applies to menus that belong to this group.',
+ ];
+
+ $permissions["view group menus"] = [
+ 'title' => 'View menus',
+ ] + $defaults;
+
+ $permissions["create group menus"] = [
+ 'title' => 'Create menus',
+ 'description' => 'Allows you to create menus that immediately belong to this group.',
+ ] + $defaults;
+
+ $permissions["edit group menus"] = [
+ 'title' => 'Edit menus',
+ ] + $defaults;
+
+ $permissions["delete group menus"] = [
+ 'title' => 'Delete menus',
+ ] + $defaults;
+
+ return $permissions;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function defaultConfiguration() {
+ $config = parent::defaultConfiguration();
+ $config['entity_cardinality'] = 1;
+
+ // This string will be saved as part of the group type config entity. We do
+ // not use a t() function here as it needs to be stored untranslated.
+ $config['info_text']['value'] = 'By submitting this form you will add this menu to the group.
It will then be subject to the access control settings that were configured for the group.
Please fill out any available fields to describe the relation between the content and the group.
';
+
+ return $config;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+ $form = parent::buildConfigurationForm($form, $form_state);
+
+ // Disable the entity cardinality field as the functionality of this module
+ // relies on a cardinality of 1. We don't just hide it, though, to keep a UI
+ // that's consistent with other content enabler plugins.
+ $info = $this->t("This field has been disabled by the plugin to guarantee the functionality that's expected of it.");
+ $form['entity_cardinality']['#disabled'] = TRUE;
+ $form['entity_cardinality']['#description'] .= '
' . $info . '';
+
+ return $form;
+ }
+
+}
diff --git a/src/Plugin/GroupContentEnabler/GroupMenuDeriver.php b/src/Plugin/GroupContentEnabler/GroupMenuDeriver.php
index e69de29..b7686fd 100644
--- a/src/Plugin/GroupContentEnabler/GroupMenuDeriver.php
+++ b/src/Plugin/GroupContentEnabler/GroupMenuDeriver.php
@@ -0,0 +1,25 @@
+derivatives['menu'] = [
+ 'entity_bundle' => 'menu',
+ 'label' => t('Group menu'),
+ 'description' => t('Adds menus to groups.'),
+ ] + $base_plugin_definition;
+
+ return $this->derivatives;
+ }
+
+}
diff --git a/src/Routing/GroupMenuRouteProvider.php b/src/Routing/GroupMenuRouteProvider.php
index e69de29..e447e25 100644
--- a/src/Routing/GroupMenuRouteProvider.php
+++ b/src/Routing/GroupMenuRouteProvider.php
@@ -0,0 +1,48 @@
+setDefaults([
+ '_title' => 'Relate menu',
+ '_controller' => '\Drupal\groupmenu\Controller\GroupMenuController::addPage',
+ ])
+ ->setRequirement('_group_permission', implode('+', $permissions_add))
+ ->setRequirement('_group_installed_content', $plugin_id)
+ ->setOption('_group_operation_route', TRUE);
+
+ // @todo Conditionally (see above) alter GroupContent info to use this path.
+ $routes['entity.groupmenu.groupmenu_add_menu'] = new Route('group/{group}/menu/create');
+ $routes['entity.groupmenu.groupmenu_add_menu']
+ ->setDefaults([
+ '_title' => 'Create menu',
+ '_controller' => '\Drupal\groupmenu\Controller\GroupMenuWizardController::addPage',
+ ])
+ ->setRequirement('_group_permission', implode('+', $permissions_create))
+ ->setRequirement('_group_installed_content', $plugin_id)
+ ->setOption('_group_operation_route', TRUE);
+
+ return $routes;
+ }
+
+}
diff --git a/src/Routing/GroupMenuRouteSubscriber.php b/src/Routing/GroupMenuRouteSubscriber.php
index e69de29..6e1a563 100644
--- a/src/Routing/GroupMenuRouteSubscriber.php
+++ b/src/Routing/GroupMenuRouteSubscriber.php
@@ -0,0 +1,22 @@
+get('config.sync')) {
+ $route->setDefault('_form', '\Drupal\groupmenu\Form\GroupMenuConfigSync');
+ }
+ }
+
+}