public function testAdvancedMenuHandling()
 {
     // Populate from CMS Classes, check for existance of SecurityAdmin
     CMSMenu::clear_menu();
     CMSMenu::populate_menu();
     $menuItem = CMSMenu::get_menu_item('SilverStripe-Admin-SecurityAdmin');
     $this->assertInstanceOf('SilverStripe\\Admin\\CMSMenuItem', $menuItem, 'SecurityAdmin menu item exists');
     $this->assertContains($menuItem->url, SecurityAdmin::singleton()->Link(), 'Menu item has the correct link');
     $this->assertEquals($menuItem->controller, 'SilverStripe\\Admin\\SecurityAdmin', 'Menu item has the correct controller class');
     $this->assertEquals($menuItem->priority, SecurityAdmin::singleton()->stat('menu_priority'), 'Menu item has the correct priority');
     // Check that menu order is correct by priority
     // Note this will break if populate_menu includes normal links (ie, as not controller)
     $menuItems = CMSMenu::get_menu_items();
     $priority = 9999;
     // ok, *could* be set larger, but shouldn't need to be!
     foreach ($menuItems as $menuItem) {
         $this->assertEquals($menuItem->priority, singleton($menuItem->controller)->stat('menu_priority'), "Menu item {$menuItem->title} has the correct priority");
         $this->assertLessThanOrEqual($priority, $menuItem->priority, 'Menu item is of lower or equal priority');
     }
 }
 /**
  * Caution: Only call on instances, not through a singleton.
  * The "root group" fields will be created through {@link SecurityAdmin->EditForm()}.
  *
  * @return FieldList
  */
 public function getCMSFields()
 {
     $fields = new FieldList(new TabSet("Root", new Tab('Members', _t('SecurityAdmin.MEMBERS', 'Members'), new TextField("Title", $this->fieldLabel('Title')), $parentidfield = DropdownField::create('ParentID', $this->fieldLabel('Parent'), Group::get()->exclude('ID', $this->ID)->map('ID', 'Breadcrumbs'))->setEmptyString(' '), new TextareaField('Description', $this->fieldLabel('Description'))), $permissionsTab = new Tab('Permissions', _t('SecurityAdmin.PERMISSIONS', 'Permissions'), $permissionsField = new PermissionCheckboxSetField('Permissions', false, 'SilverStripe\\Security\\Permission', 'GroupID', $this))));
     $parentidfield->setDescription(_t('Group.GroupReminder', 'If you choose a parent group, this group will take all it\'s roles'));
     // Filter permissions
     // TODO SecurityAdmin coupling, not easy to get to the form fields through GridFieldDetailForm
     $permissionsField->setHiddenPermissions((array) Config::inst()->get('SilverStripe\\Admin\\SecurityAdmin', 'hidden_permissions'));
     if ($this->ID) {
         $group = $this;
         $config = GridFieldConfig_RelationEditor::create();
         $config->addComponent(new GridFieldButtonRow('after'));
         $config->addComponents(new GridFieldExportButton('buttons-after-left'));
         $config->addComponents(new GridFieldPrintButton('buttons-after-left'));
         /** @var GridFieldAddExistingAutocompleter $autocompleter */
         $autocompleter = $config->getComponentByType('SilverStripe\\Forms\\GridField\\GridFieldAddExistingAutocompleter');
         /** @skipUpgrade */
         $autocompleter->setResultsFormat('$Title ($Email)')->setSearchFields(array('FirstName', 'Surname', 'Email'));
         /** @var GridFieldDetailForm $detailForm */
         $detailForm = $config->getComponentByType('SilverStripe\\Forms\\GridField\\GridFieldDetailForm');
         $detailForm->setValidator(Member_Validator::create())->setItemEditFormCallback(function ($form, $component) use($group) {
             /** @var Form $form */
             $record = $form->getRecord();
             $groupsField = $form->Fields()->dataFieldByName('DirectGroups');
             if ($groupsField) {
                 // If new records are created in a group context,
                 // set this group by default.
                 if ($record && !$record->ID) {
                     $groupsField->setValue($group->ID);
                 } elseif ($record && $record->ID) {
                     // TODO Mark disabled once chosen.js supports it
                     // $groupsField->setDisabledItems(array($group->ID));
                     $form->Fields()->replaceField('DirectGroups', $groupsField->performReadonlyTransformation());
                 }
             }
         });
         $memberList = GridField::create('Members', false, $this->DirectMembers(), $config)->addExtraClass('members_grid');
         // @todo Implement permission checking on GridField
         //$memberList->setPermissions(array('edit', 'delete', 'export', 'add', 'inlineadd'));
         $fields->addFieldToTab('Root.Members', $memberList);
     }
     // Only add a dropdown for HTML editor configurations if more than one is available.
     // Otherwise Member->getHtmlEditorConfigForCMS() will default to the 'cms' configuration.
     $editorConfigMap = HTMLEditorConfig::get_available_configs_map();
     if (count($editorConfigMap) > 1) {
         $fields->addFieldToTab('Root.Permissions', new DropdownField('HtmlEditorConfig', 'HTML Editor Configuration', $editorConfigMap), 'Permissions');
     }
     if (!Permission::check('EDIT_PERMISSIONS')) {
         $fields->removeFieldFromTab('Root', 'Permissions');
     }
     // Only show the "Roles" tab if permissions are granted to edit them,
     // and at least one role exists
     if (Permission::check('APPLY_ROLES') && DataObject::get('SilverStripe\\Security\\PermissionRole')) {
         $fields->findOrMakeTab('Root.Roles', _t('SecurityAdmin.ROLES', 'Roles'));
         $fields->addFieldToTab('Root.Roles', new LiteralField("", "<p>" . _t('SecurityAdmin.ROLESDESCRIPTION', "Roles are predefined sets of permissions, and can be assigned to groups.<br />" . "They are inherited from parent groups if required.") . '<br />' . sprintf('<a href="%s" class="add-role">%s</a>', SecurityAdmin::singleton()->Link('show/root#Root_Roles'), _t('Group.RolesAddEditLink', 'Manage roles')) . "</p>"));
         // Add roles (and disable all checkboxes for inherited roles)
         $allRoles = PermissionRole::get();
         if (!Permission::check('ADMIN')) {
             $allRoles = $allRoles->filter("OnlyAdminCanApply", 0);
         }
         if ($this->ID) {
             $groupRoles = $this->Roles();
             $inheritedRoles = new ArrayList();
             $ancestors = $this->getAncestors();
             foreach ($ancestors as $ancestor) {
                 $ancestorRoles = $ancestor->Roles();
                 if ($ancestorRoles) {
                     $inheritedRoles->merge($ancestorRoles);
                 }
             }
             $groupRoleIDs = $groupRoles->column('ID') + $inheritedRoles->column('ID');
             $inheritedRoleIDs = $inheritedRoles->column('ID');
         } else {
             $groupRoleIDs = array();
             $inheritedRoleIDs = array();
         }
         $rolesField = ListboxField::create('Roles', false, $allRoles->map()->toArray())->setDefaultItems($groupRoleIDs)->setAttribute('data-placeholder', _t('Group.AddRole', 'Add a role for this group'))->setDisabledItems($inheritedRoleIDs);
         if (!$allRoles->count()) {
             $rolesField->setAttribute('data-placeholder', _t('Group.NoRoles', 'No roles found'));
         }
         $fields->addFieldToTab('Root.Roles', $rolesField);
     }
     $fields->push($idField = new HiddenField("ID"));
     $this->extend('updateCMSFields', $fields);
     return $fields;
 }