flexslider compatibility for typo3 8

Classes/Utility/Div.php

@@ -93,6 +93,18 @@ class Div {
 		return $GLOBALS['TSFE']->tmpl->getFileName($file);
 	}
 
+	public static function getPageRenderer(){
+		if (version_compare(TYPO3_version, '8.0.0', '>='))
+		{
+			$pageRenderer = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Page\PageRenderer::class);
+		}
+		else
+		{
+			$pageRenderer = $GLOBALS['TSFE']->getPageRenderer();
+		}
+		return $pageRenderer;
+	}
+
 	/**
 	 * Checks a passed CSS or JS file and adds it to the Frontend.
 	 *
@@ -105,18 +117,18 @@ class Div {
 		$mediaTypeSplit = strrchr($file, '.');
 		// Get file reference
 		$resolved = self::getFileResource($file);
-
+		$pageRenderer=self::getPageRenderer();
 		if ($resolved) {
 			// JavaScript processing
 			if ($mediaTypeSplit == '.js') {
 				($moveToFooter)
-					? $GLOBALS['TSFE']->getPageRenderer()->addJsFooterFile($resolved)
-					: $GLOBALS['TSFE']->getPageRenderer()->addJsFile($resolved);
+					? $pageRenderer->addJsFooterFile($resolved)
+					: $pageRenderer->addJsFile($resolved);
 
 			// Stylesheet processing
 			} elseif ($mediaTypeSplit == '.css') {
 				/** \TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController */
-				$GLOBALS['TSFE']->getPageRenderer()->addCssFile($resolved);
+				$pageRenderer->addCssFile($resolved);
 			}
 		}
 	}
@@ -133,9 +145,10 @@ class Div {
 	public static function addJsInline($code, $name, $moveToFooter = FALSE) {
 		if ($code) {
 			//$code = '<script type="text/javascript">'.$code.'</script>';
+			$pageRenderer=self::getPageRenderer();
 			($moveToFooter)
-				? $GLOBALS['TSFE']->getPageRenderer()->addJsFooterInlineCode($name, $code)
-				: $GLOBALS['TSFE']->getPageRenderer()->addJsInlineCode($name, $code);
+				? $pageRenderer->addJsFooterInlineCode($name, $code)
+				: $pageRenderer->addJsInlineCode($name, $code);
 		}
 	}
 
@@ -152,8 +165,9 @@ class Div {
 		$code  = '.typo3-message .message-header{padding: 10px 10px 0 30px;font-size:0.9em;}';
 		$code .= '.typo3-message .message-body{padding: 10px;font-size:0.9em;}';
 
-		$GLOBALS['TSFE']->getPageRenderer()->addCssFile(ExtensionManagementUtility::siteRelPath('t3skin') . 'Resources/Public/Css/visual/element_message.css');
-		$GLOBALS['TSFE']->getPageRenderer()->addCssInlineBlock('flashmessage',$code);
+		$pageRenderer=self::getPageRenderer();
+		$pageRenderer->addCssFile(ExtensionManagementUtility::siteRelPath('t3skin') . 'Resources/Public/Css/visual/element_message.css');
+		$pageRenderer->addCssInlineBlock('flashmessage',$code);
 
 		$flashMessage = GeneralUtility::makeInstance('TYPO3\CMS\Core\Messaging\FlashMessage', $message, $title, $type);
 		return $flashMessage->render();