getHeader('content-type'), 'text/html') !== false; if (!$isHtmlResponse || !$this->shouldDisplay()) { return $result; } $html = $result instanceof DBHTMLText ? $result->getValue() : $result->getBody(); $navigatorHTML = $this->generateNavigator()->getValue(); // Inject the NavigatorHTML before the closing tag $html = preg_replace( '/(<\/body[^>]*>)/i', $navigatorHTML . '\\1', $html ); if ($result instanceof DBHTMLText) { $result->setValue($html); } else { $result->setBody($html); } return $result; } /** * Override on a per-controller basis to add custom logic * @return bool */ public function showBetterNavigator() { return $this->isAPage(); } /** * Provides a front-end utility menu with administrative functions and developer tools * Relies on SilverStripeNavigator * * @return DBHTMLText */ private function generateNavigator() { // Get SilverStripeNavigator links & stage info (CMS/Stage/Live/Archive) $nav = []; $viewing = ''; $viewingTitle = ''; $navigator = SilverStripeNavigator::create($this->owner->dataRecord); $isDev = Director::isDev(); $items = $navigator->getItems(); foreach ($items as $item) { $name = $item->getName(); $active = $item->isActive(); $nav[$name] = [ 'Link' => $item->getLink(), 'Active' => $active ]; if ($active) { if ($name == 'LiveLink') { $viewing = 'Live'; $viewingTitle = _t('JonoM\BetterNavigator.VIEWING_LIVE', 'Live'); } else if ($name == 'StageLink') { $viewing = 'Draft'; $viewingTitle = _t('JonoM\BetterNavigator.VIEWING_DRAFT', 'Draft'); } else if ($name == 'ArchiveLink') { $viewing = 'Archived'; $viewingTitle = _t('JonoM\BetterNavigator.VIEWING_ARCHIVED', 'Archived'); } } } // Only show edit link if user has CMS access $editLink = null; if($isDev || Permission::check($this->owner->config()->better_navigator_edit_permission, $this->owner->config()->better_navigator_edit_permission_mode)) { // Check for edit link override, e.g. for a DataObject if(method_exists($this->owner, 'BetterNavigatorEditLink')) { $editLink = $this->owner->BetterNavigatorEditLink(); } else { // Only show edit link if user has permission to edit this page $editLink = array_key_exists('CMSLink', $nav) && ($isDev || $this->owner->dataRecord->canEdit()) ? $nav['CMSLink']['Link'] : false; } } // Is the logged in member nominated as a developer? $member = Security::getCurrentUser(); $devs = Config::inst()->get('BetterNavigator', 'developers'); $identifierField = Member::config()->unique_identifier_field; $isDeveloper = $member && is_array($devs) ? in_array($member->{$identifierField}, $devs) : false; // Add other data for template $backURL = '?BackURL=' . urlencode($this->owner->Link()); $logoutForm = LogoutForm::create($this->owner)->setName('BetterNavigatorLogoutForm'); $logoutForm->Fields()->fieldByName('BackURL')->setValue($this->owner->Link()); $bnModule = ModuleLoader::getModule('jonom/silverstripe-betternavigator'); $bNData = array_merge($nav, [ 'Member' => $member, 'Stage' => Versioned::get_stage(), 'Viewing' => $viewing, // What we're viewing doesn't necessarily align with the active Stage 'CssClass' => $this->BetterNavigatorCssClass(), 'ViewingTitle' => $viewingTitle, 'LoginLink' => Controller::join_links(Director::absoluteBaseURL(), Security::config()->login_url, $backURL), 'LogoutLink' => Controller::join_links(Director::absoluteBaseURL() . Security::config()->logout_url, $backURL), 'LogoutForm' => $logoutForm, 'EditLink' => $editLink, 'Mode' => Director::get_environment_type(), 'IsDeveloper' => $isDeveloper, 'ScriptUrl' => $bnModule->getResource('javascript/betternavigator.js')->getURL(), 'CssUrl' => $bnModule->getResource('css/betternavigator.css')->getURL(), ]); // Merge with page data, send to template and render $navigator = new ArrayData($bNData); return $this->owner->customise($navigator)->renderWith('BetterNavigator\\BetterNavigator'); } /** * Internally compute and cache weather the navigator should display * @return bool */ private function shouldDisplay() { if ($this->owner->getField('_betterNavigatorShouldDisplay') !== null) { return $this->owner->getField('_betterNavigatorShouldDisplay'); } // Make sure this is a page if (!$this->owner->showBetterNavigator()) { $this->owner->setField('_betterNavigatorShouldDisplay', false); return false; } // Only show navigator to appropriate users $isDev = Director::isDev(); $canViewDraft = (Permission::check('VIEW_DRAFT_CONTENT') || Permission::check('CMS_ACCESS_CMSMain')); $result = ($isDev || $canViewDraft); $this->owner->setField('_betterNavigatorShouldDisplay', $result); return $result; } /** * @return boolean */ private function isAPage() { return $this->owner && $this->owner->dataRecord && $this->owner->dataRecord instanceof SiteTree && $this->owner->dataRecord->ID > 0; } /** * @return string */ private function BetterNavigatorCssClass() { $classes = ''; $position = Config::inst()->get('BetterNavigator', 'position'); $translucent = Config::inst()->get('BetterNavigator', 'translucent'); if ($position === 'left-top' || $position === 'left-bottom' || $position === 'right-bottom') { $classes .= ' ' . $position; } else { $classes .= ' right-top'; } if ($translucent && $translucent == 'true') { $classes .= ' translucent'; } return $classes; } }