array(), 'css' => array(), 'themedcss' => array(), ); /** * @param Member $member * @return boolean */ function canView($member = null) { if(!$member && $member !== FALSE) { $member = Member::currentUser(); } // cms menus only for logged-in members if(!$member) return false; // alternative decorated checks if($this->hasMethod('alternateAccessCheck')) { $alternateAllowed = $this->alternateAccessCheck(); if($alternateAllowed === FALSE) return false; } // Default security check for LeftAndMain sub-class permissions if(!Permission::checkMember($member, "CMS_ACCESS_$this->class")) { return false; } return true; } /** * @uses LeftAndMainDecorator->init() * @uses LeftAndMainDecorator->accessedCMS() * @uses CMSMenu */ function init() { parent::init(); // set language $member = Member::currentUser(); if(!empty($member->Locale)) { i18n::set_locale($member->Locale); } // can't be done in cms/_config.php as locale is not set yet CMSMenu::add_link( 'Help', _t('LeftAndMain.HELP', 'Help', PR_HIGH, 'Menu title'), 'http://userhelp.silverstripe.org' ); // set reading lang if(Translatable::is_enabled() && !Director::is_ajax()) { Translatable::choose_site_locale(array_keys(Translatable::get_existing_content_languages('SiteTree'))); } // Allow customisation of the access check by a decorator if(!$this->canView()) { // When access /admin/, we should try a redirect to another part of the admin rather than be locked out $menu = $this->MainMenu(); foreach($menu as $candidate) { if( $candidate->Link && $candidate->Link != $this->Link() && $candidate->MenuItem->controller && singleton($candidate->MenuItem->controller)->canView() ) { return Director::redirect($candidate->Link); } } if(Member::currentUser()) { Session::set("BackURL", null); } // if no alternate menu items have matched, return a permission error $messageSet = array( 'default' => _t('LeftAndMain.PERMDEFAULT',"Please choose an authentication method and enter your credentials to access the CMS."), 'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY',"I'm sorry, but you can't access that part of the CMS. If you want to log in as someone else, do so below"), 'logInAgain' => _t('LeftAndMain.PERMAGAIN',"You have been logged out of the CMS. If you would like to log in again, enter a username and password below."), ); return Security::permissionFailure($this, $messageSet); } // Don't continue if there's already been a redirection request. if(Director::redirected_to()) return; // Audit logging hook if(empty($_REQUEST['executeForm']) && !Director::is_ajax()) $this->extend('accessedCMS'); // Set the members html editor config HtmlEditorConfig::set_active(Member::currentUser()->getHtmlEditorConfigForCMS()); Requirements::css(CMS_DIR . '/css/typography.css'); Requirements::css(CMS_DIR . '/css/layout.css'); Requirements::css(CMS_DIR . '/css/cms_left.css'); Requirements::css(CMS_DIR . '/css/cms_right.css'); Requirements::css(SAPPHIRE_DIR . '/css/Form.css'); if(isset($_REQUEST['debug_firebug'])) { // Firebug is a useful console for debugging javascript // Its available as a Firefox extension or a javascript library // for easy inclusion in other browsers (just append ?debug_firebug=1 to the URL) Requirements::javascript(THIRDPARTY_DIR . '/firebug-lite/firebug.js'); } else { // By default, we include fake-objects for all firebug calls // to avoid javascript errors when referencing console.log() etc in javascript code Requirements::javascript(THIRDPARTY_DIR . '/firebug-lite/firebugx.js'); } Requirements::javascript(SAPPHIRE_DIR . '/thirdparty/prototype/prototype.js'); Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/jquery_improvements.js'); Requirements::javascript(THIRDPARTY_DIR . '/behaviour/behaviour.js'); Requirements::javascript(THIRDPARTY_DIR . '/jquery-livequery/jquery.livequery.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/core/jquery.ondemand.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/prototype_improvements.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/loader.js'); Requirements::javascript(CMS_DIR . '/javascript/hover.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/layout_helpers.js'); Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang'); Requirements::add_i18n_javascript(CMS_DIR . '/javascript/lang'); Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/effects.js'); Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/dragdrop.js'); Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/controls.js'); Requirements::css(THIRDPARTY_DIR . '/greybox/greybox.css'); Requirements::javascript(THIRDPARTY_DIR . '/greybox/AmiJS.js'); Requirements::javascript(THIRDPARTY_DIR . '/greybox/greybox.js'); Requirements::javascript(SAPPHIRE_DIR . '/javascript/tree/tree.js'); Requirements::css(THIRDPARTY_DIR . '/tree/tree.css'); Requirements::javascript(CMS_DIR . '/javascript/LeftAndMain.js'); Requirements::javascript(CMS_DIR . '/javascript/LeftAndMain_left.js'); Requirements::javascript(CMS_DIR . '/javascript/LeftAndMain_right.js'); Requirements::javascript(CMS_DIR . '/javascript/SideTabs.js'); Requirements::javascript(CMS_DIR . '/javascript/SideReports.js'); Requirements::javascript(CMS_DIR . '/javascript/LangSelector.js'); Requirements::javascript(CMS_DIR . '/javascript/TranslationTab.js'); Requirements::themedCSS('typography'); foreach (self::$extra_requirements['javascript'] as $file) { Requirements::javascript($file[0]); } foreach (self::$extra_requirements['css'] as $file) { Requirements::css($file[0], $file[1]); } foreach (self::$extra_requirements['themedcss'] as $file) { Requirements::css($file[0], $file[1]); } Requirements::customScript('Behaviour.addLoader(hideLoading);'); // Javascript combined files Requirements::combine_files( 'assets/base.js', array( THIRDPARTY_DIR . '/prototype/prototype.js', THIRDPARTY_DIR . '/behaviour/behaviour.js', SAPPHIRE_DIR . '/javascript/prototype_improvements.js', THIRDPARTY_DIR .'/jquery/jquery.js', THIRDPARTY_DIR .'/jquery-livequery/jquery.livequery.js', THIRDPARTY_DIR . '/jquery-effen/jquery.fn.js', SAPPHIRE_DIR . '/javascript/core/jquery.ondemand.js', SAPPHIRE_DIR . '/javascript/jquery_improvements.js', THIRDPARTY_DIR . '/firebug-lite/firebugx.js', SAPPHIRE_DIR . '/javascript/i18n.js', ) ); Requirements::combine_files( 'assets/leftandmain.js', array( SAPPHIRE_DIR . '/javascript/loader.js', CMS_DIR . '/javascript/hover.js', SAPPHIRE_DIR . '/javascript/layout_helpers.js', THIRDPARTY_DIR . '/scriptaculous/effects.js', THIRDPARTY_DIR . '/scriptaculous/dragdrop.js', THIRDPARTY_DIR . '/scriptaculous/controls.js', THIRDPARTY_DIR . '/greybox/AmiJS.js', THIRDPARTY_DIR . '/greybox/greybox.js', CMS_DIR . '/javascript/LeftAndMain.js', CMS_DIR . '/javascript/LeftAndMain_left.js', CMS_DIR . '/javascript/LeftAndMain_right.js', SAPPHIRE_DIR . '/javascript/tree/tree.js', THIRDPARTY_DIR . '/tabstrip/tabstrip.js', CMS_DIR . '/thirdparty/swfupload/swfupload.js', CMS_DIR . '/javascript/Upload.js', CMS_DIR . '/javascript/TinyMCEImageEnhancement.js', SAPPHIRE_DIR . '/javascript/TreeSelectorField.js', CMS_DIR . '/javascript/ThumbnailStripField.js', ) ); Requirements::combine_files( 'assets/cmsmain.js', array( CMS_DIR . '/javascript/CMSMain.js', CMS_DIR . '/javascript/CMSMain_left.js', CMS_DIR . '/javascript/CMSMain_right.js', CMS_DIR . '/javascript/SideTabs.js', CMS_DIR . '/javascript/SideReports.js', CMS_DIR . '/javascript/LangSelector.js', CMS_DIR . '/javascript/TranslationTab.js', THIRDPARTY_DIR . '/calendar/calendar.js', THIRDPARTY_DIR . '/calendar/lang/calendar-en.js', THIRDPARTY_DIR . '/calendar/calendar-setup.js', ) ); // DEPRECATED 2.3: Use init() $dummy = null; $this->extend('augmentInit', $dummy); $dummy = null; $this->extend('init', $dummy); } //------------------------------------------------------------------------------------------// // Main controllers /** * You should implement a Link() function in your subclass of LeftAndMain, * to point to the URL of that particular controller. * * @return string */ public function Link($action = null) { // Handle missing url_segments if(!$this->stat('url_segment', true)) self::$url_segment = $this->class; return Controller::join_links( $this->stat('url_base', true), $this->stat('url_segment', true), '/', // trailing slash needed if $action is null! "$action" ); } /** * Returns the menu title for the given LeftAndMain subclass. * Implemented static so that we can get this value without instantiating an object. * Menu title is *not* internationalised. */ static function menu_title_for_class($class) { $title = eval("return $class::\$menu_title;"); if(!$title) $title = preg_replace('/Admin$/', '', $class); return $title; } public function show($params) { if($params['ID']) $this->setCurrentPageID($params['ID']); if(isset($params['OtherID'])) Session::set('currentMember', $params['OtherID']); if(Director::is_ajax()) { SSViewer::setOption('rewriteHashlinks', false); return $this->EditForm()->formHtmlContent(); } else { return array(); } } public function getitem() { $this->setCurrentPageID($_REQUEST['ID']); SSViewer::setOption('rewriteHashlinks', false); if(isset($_REQUEST['ID']) && is_numeric($_REQUEST['ID'])) { $record = DataObject::get_by_id($this->stat('tree_class'), $_REQUEST['ID']); if($record && !$record->canView()) return Security::permissionFailure($this); } $form = $this->EditForm(); if ($form) return $form->formHtmlContent(); else return ""; } public function getLastFormIn($html) { $parts = split(']*>', $html); return $parts[sizeof($parts)-2]; } /** * @deprecated Use CMSMenu::add_menu_item(); */ static function add_menu_item($code, $menuTitle, $url, $controllerClass = null, $priority = -1) { user_error("LeftAndMain::add_menu_item is deprecated; use CMSMenu::add_menu_item", E_USER_NOTICE); return CMSMenu::add_menu_item($code, $menuTitle, $url, $controllerClass, $priority); } //------------------------------------------------------------------------------------------// // Main UI components /** * Returns the main menu of the CMS. This is also used by init() to work out which sections the user * has access to. * * @return DataObjectSet */ public function MainMenu() { // Don't accidentally return a menu if you're not logged in - it's used to determine access. if(!Member::currentUser()) return new DataObjectSet(); // Encode into DO set $menu = new DataObjectSet(); $menuItems = CMSMenu::get_viewable_menu_items(); if($menuItems) foreach($menuItems as $code => $menuItem) { // alternate permission checks (in addition to LeftAndMain->canView()) if( isset($menuItem->controller) && $this->hasMethod('alternateMenuDisplayCheck') && !$this->alternateMenuDisplayCheck($menuItem->controller) ) { continue; } $linkingmode = ""; if(strpos($this->Link(), $menuItem->url) !== false) { if($this->Link() == $menuItem->url) { $linkingmode = "current"; // default menu is the one with a blank {@link url_segment} } else if(singleton($menuItem->controller)->stat('url_segment') == '') { if($this->Link() == $this->stat('url_base').'/') $linkingmode = "current"; } else { $linkingmode = "current"; } } // already set in CMSMenu::populate_menu(), but from a static pre-controller // context, so doesn't respect the current user locale in _t() calls - as a workaround, // we simply call LeftAndMain::menu_title_for_class() again if we're dealing with a controller if($menuItem->controller) { $defaultTitle = LeftAndMain::menu_title_for_class($menuItem->controller); $title = _t("{$menuItem->controller}.MENUTITLE", $defaultTitle); } else { $title = $menuItem->title; } $menu->push(new ArrayData(array( "MenuItem" => $menuItem, "Title" => Convert::raw2xml($title), "Code" => $code, "Link" => $menuItem->url, "LinkingMode" => $linkingmode ))); } // if no current item is found, assume that first item is shown //if(!isset($foundCurrent)) return $menu; } public function CMSTopMenu() { return $this->renderWith(array('CMSTopMenu_alternative','CMSTopMenu')); } /** * Return a list of appropriate templates for this class, with the given suffix */ protected function getTemplatesWithSuffix($suffix) { $classes = array_reverse(ClassInfo::ancestry($this->class)); foreach($classes as $class) { $templates[] = $class . $suffix; if($class == 'LeftAndMain') break; } return $templates; } public function Left() { return $this->renderWith($this->getTemplatesWithSuffix('_left')); } public function Right() { return $this->renderWith($this->getTemplatesWithSuffix('_right')); } public function getRecord($id, $className = null) { if($id && is_numeric($id)) { if(!$className) $className = $this->stat('tree_class'); return DataObject::get_by_id($className, $id); } } /** * Get a site tree displaying the nodes under the given objects * @param $className The class of the root object * @param $rootID The ID of the root object. If this is null then a complete tree will be * shown * @param $childrenMethod The method to call to get the children of the tree. For example, * Children, AllChildrenIncludingDeleted, or AllHistoricalChildren */ function getSiteTreeFor($className, $rootID = null, $childrenMethod = null, $filterFunction = null, $minNodeCount = 30) { // Default childrenMethod if (!$childrenMethod) $childrenMethod = 'AllChildrenIncludingDeleted'; // Get the tree root $obj = $rootID ? $this->getRecord($rootID) : singleton($className); // Mark the nodes of the tree to return if ($filterFunction) $obj->setMarkingFilterFunction($filterFunction); $obj->markPartialTree($minNodeCount, $this, $childrenMethod); // Ensure current page is exposed if($p = $this->currentPage()) $obj->markToExpose($p); // NOTE: SiteTree/CMSMain coupling :-( SiteTree::prepopuplate_permission_cache('edit', $obj->markedNodeIDs()); SiteTree::prepopuplate_permission_cache('delete', $obj->markedNodeIDs()); // getChildrenAsUL is a flexible and complex way of traversing the tree $titleEval = ' "
  • ID\" class=\"" . $child->CMSTreeClasses($extraArg) . "\">" . "Link(),0,-1), "show", $child->ID) . "\" class=\"" . $child->CMSTreeClasses($extraArg) . "\" title=\"' . _t('LeftAndMain.PAGETYPE','Page type: ') . '".$child->class."\" >" . ($child->TreeTitle()) . "" '; $siteTree = $obj->getChildrenAsUL( "", $titleEval, $this, true, $childrenMethod, $minNodeCount ); // Wrap the root if needs be. if(!$rootID) { $rootLink = $this->Link() . '0'; // This lets us override the tree title with an extension if($this->hasMethod('getCMSTreeTitle')) $treeTitle = $this->getCMSTreeTitle(); else $treeTitle = _t('LeftAndMain.SITECONTENTLEFT',"Site Content",PR_HIGH,'Root node on left'); $siteTree = ""; } return $siteTree; } /** * Get a subtree underneath the request param 'ID'. * If ID = 0, then get the whole tree. */ public function getsubtree($request) { // Get the tree $minNodeCount = (is_numeric($request->getVar('minNodeCount'))) ? $request->getVar('minNodeCount') : NULL; $tree = $this->getSiteTreeFor( $this->stat('tree_class'), $request->getVar('ID'), null, null, $minNodeCount ); // Trim off the outer tag $tree = ereg_replace('^[ \t\r\n]*]*>','', $tree); $tree = ereg_replace(']*>[ \t\r\n]*$','', $tree); return $tree; } /** * Allows you to returns a new data object to the tree (subclass of sitetree) * and updates the tree via javascript. */ public function returnItemToUser($p) { if(Director::is_ajax()) { // Prepare the object for insertion. $parentID = (int) $p->ParentID; $id = $p->ID ? $p->ID : "new-$p->class-$p->ParentID"; $treeTitle = Convert::raw2js($p->TreeTitle()); $hasChildren = (is_numeric($id) && $p->AllChildren() && $p->AllChildren()->Count()) ? ' unexpanded' : ''; $singleInstanceCSSClass = $p->stat('single_instance_only') ? $p->stat('single_instance_only_css_class') : ""; // Ensure there is definitly a node avaliable. if not, append to the home tree. $response = <<class}{$hasChildren} {$singleInstanceCSSClass}"); node = tree.getTreeNodeByIdx($parentID); if(!node) { node = tree.getTreeNodeByIdx(0); } node.open(); node.appendTreeNode(newNode); newNode.selectTreeNode(); JS; FormResponse::add($response); FormResponse::add($this->hideSingleInstanceOnlyFromCreateFieldJS($p)); return FormResponse::respond(); } else { Director::redirect('admin/' . self::$url_segment . '/show/' . $p->ID); } } /** * Save and Publish page handler */ public function save($urlParams, $form) { $className = $this->stat('tree_class'); $result = ''; $SQL_id = Convert::raw2sql($_REQUEST['ID']); if(substr($SQL_id,0,3) != 'new') { $record = DataObject::get_one($className, "\"$className\".\"ID\" = {$SQL_id}"); if($record && !$record->canEdit()) return Security::permissionFailure($this); } else { if(!singleton($this->stat('tree_class'))->canCreate()) return Security::permissionFailure($this); $record = $this->getNewItem($SQL_id, false); } // We don't want to save a new version if there are no changes $dataFields_new = $form->Fields()->dataFields(); $dataFields_old = $record->getAllFields(); $changed = false; $hasNonRecordFields = false; foreach($dataFields_new as $datafield) { // if the form has fields not belonging to the record if(!isset($dataFields_old[$datafield->Name()])) { $hasNonRecordFields = true; } // if field-values have changed if(!isset($dataFields_old[$datafield->Name()]) || $dataFields_old[$datafield->Name()] != $datafield->dataValue()) { $changed = true; } } if(!$changed && !$hasNonRecordFields) { // Tell the user we have saved even though we haven't, as not to confuse them if(is_a($record, "Page")) { $record->Status = "Saved (update)"; } FormResponse::status_message(_t('LeftAndMain.SAVEDUP',"Saved"), "good"); FormResponse::update_status($record->Status); return FormResponse::respond(); } $form->dataFieldByName('ID')->Value = 0; if(isset($urlParams['Sort']) && is_numeric($urlParams['Sort'])) { $record->Sort = $urlParams['Sort']; } // HACK: This should be turned into something more general $originalClass = $record->ClassName; $originalStatus = $record->Status; $originalParentID = $record->ParentID; $record->HasBrokenLink = 0; $record->HasBrokenFile = 0; $record->writeWithoutVersion(); // HACK: This should be turned into something more general $originalURLSegment = $record->URLSegment; $form->saveInto($record, true); if(is_a($record, "Page")) { $record->Status = ($record->Status == "New page" || $record->Status == "Saved (new)") ? "Saved (new)" : "Saved (update)"; } if(Director::is_ajax()) { if($SQL_id != $record->ID) { FormResponse::add("$('sitetree').setNodeIdx(\"{$SQL_id}\", \"$record->ID\");"); FormResponse::add("$('Form_EditForm').elements.ID.value = \"$record->ID\";"); } if($added = DataObjectLog::getAdded('SiteTree')) { foreach($added as $page) { if($page->ID != $record->ID) $result .= $this->addTreeNodeJS($page); } } if($deleted = DataObjectLog::getDeleted('SiteTree')) { foreach($deleted as $page) { if($page->ID != $record->ID) $result .= $this->deleteTreeNodeJS($page); } } if($changed = DataObjectLog::getChanged('SiteTree')) { foreach($changed as $page) { if($page->ID != $record->ID) { $title = Convert::raw2js($page->TreeTitle()); FormResponse::add("$('sitetree').setNodeTitle($page->ID, \"$title\");"); } } } $message = _t('LeftAndMain.SAVEDUP'); // Update the class instance if necessary if($originalClass != $record->ClassName) { $newClassName = $record->ClassName; // The records originally saved attribute was overwritten by $form->saveInto($record) before. // This is necessary for newClassInstance() to work as expected, and trigger change detection // on the ClassName attribute $record->setClassName($originalClass); // Replace $record with a new instance $record = $record->newClassInstance($newClassName); // update the tree icon FormResponse::add("if(\$('sitetree').setNodeIcon) \$('sitetree').setNodeIcon($record->ID, '$originalClass', '$record->ClassName');"); } // HACK: This should be turned into somethign more general if( ($record->class == 'VirtualPage' && $originalURLSegment != $record->URLSegment) || ($originalClass != $record->ClassName) || self::$ForceReload == true) { FormResponse::add("$('Form_EditForm').getPageFromServer($record->ID);"); } // After reloading action if($originalStatus != $record->Status) { $message .= sprintf(_t('LeftAndMain.STATUSTO'," Status changed to '%s'"),$record->Status); } if($originalParentID != $record->ParentID) { FormResponse::add("if(\$('sitetree').setNodeParentID) \$('sitetree').setNodeParentID($record->ID, $record->ParentID);"); } $record->write(); // if changed to a single_instance_only page type if ($record->stat('single_instance_only')) { FormResponse::add("jQuery('#sitetree li.{$record->ClassName}').addClass('{$record->stat('single_instance_only_css_class')}');"); FormResponse::add($this->hideSingleInstanceOnlyFromCreateFieldJS($record)); } else { FormResponse::add("jQuery('#sitetree li.{$record->ClassName}').removeClass('{$record->stat('single_instance_only_css_class')}');"); } // if chnaged from a single_instance_only page type $sampleOriginalClassObject = new $originalClass(); if($sampleOriginalClassObject->stat('single_instance_only')) { FormResponse::add($this->showSingleInstanceOnlyInCreateFieldJS($sampleOriginalClassObject)); } if( ($record->class != 'VirtualPage') && $originalURLSegment != $record->URLSegment) { $message .= sprintf(_t('LeftAndMain.CHANGEDURL'," Changed URL to '%s'"),$record->URLSegment); FormResponse::add("\$('Form_EditForm').elements.URLSegment.value = \"$record->URLSegment\";"); FormResponse::add("\$('Form_EditForm_StageURLSegment').value = \"{$record->URLSegment}\";"); } // If the 'Save & Publish' button was clicked, also publish the page if (isset($urlParams['publish']) && $urlParams['publish'] == 1) { $this->extend('onAfterSave', $record); $record->doPublish(); // Update classname with original and get new instance (see above for explanation) $record->setClassName($originalClass); $publishedRecord = $record->newClassInstance($record->ClassName); return $this->tellBrowserAboutPublicationChange( $publishedRecord, sprintf( _t( 'LeftAndMain.STATUSPUBLISHEDSUCCESS', "Published '%s' successfully", PR_MEDIUM, 'Status message after publishing a page, showing the page title' ), $record->Title ) ); } else { // BUGFIX: Changed icon only shows after Save button is clicked twice http://support.silverstripe.com/gsoc/ticket/76 $title = Convert::raw2js($record->TreeTitle()); FormResponse::add("$('sitetree').setNodeTitle(\"$record->ID\", \"$title\");"); $result .= $this->getActionUpdateJS($record); FormResponse::status_message($message, "good"); FormResponse::update_status($record->Status); $this->extend('onAfterSave', $record); return FormResponse::respond(); } } } /** * Return a javascript snippet that hides a page type from Create dropdownfield * if it's a single_instance_only page type and has been created in the site tree */ protected function hideSingleInstanceOnlyFromCreateFieldJS($createdPage) { // Prepare variable to single_instance_only checking in javascript $pageClassName = $createdPage->class; $singleInstanceCSSClass = ""; $singleInstanceClassSelector = "." . $createdPage->stat('single_instance_only_css_class'); if ($createdPage->stat('single_instance_only')) { $singleInstanceCSSClass = $createdPage->stat('single_instance_only_css_class'); } return << 0) { jQuery("#" + _HANDLER_FORMS.addpage + " option[@value={$pageClassName}]").remove(); } JS; } /** * Return a javascript snippet that that shows a single_instance_only page type in Create dropdownfield * if there isn't any of its instance in the site tree */ protected function showSingleInstanceOnlyInCreateFieldJS($deletedPage) { $className = $deletedPage->class; $singularName = $deletedPage->singular_name(); $singleInstanceClassSelector = "." . $deletedPage->stat('single_instance_only_css_class'); return <<