[TASK] Change the PageBrowser to not use a Controller and TypoScript

Classes/ViewHelpers/PageBrowserViewHelper.php

@@ -26,6 +26,7 @@ namespace SGalinski\SgNews\ViewHelpers;
  *  This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+use TYPO3\CMS\Core\TypoScript\TypoScriptService;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Fluid\View\StandaloneView;
 use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
@@ -62,12 +63,13 @@ class PageBrowserViewHelper extends AbstractViewHelper {
 	 * @throws \UnexpectedValueException
 	 */
 	public function render(): string {
-		$configuration = $GLOBALS['TSFE']->tmpl->setup['plugin.']['tx_sgnews.'];
+		$typoScriptService = GeneralUtility::makeInstance(TypoScriptService::class);
+		$configuration = $typoScriptService->convertTypoScriptArrayToPlainArray($GLOBALS['TSFE']->tmpl->setup['plugin.']['tx_sgnews.']);
 		$view = GeneralUtility::makeInstance(StandaloneView::class);
 		$view->setRenderingContext($this->renderingContext);
-		$view->setTemplateRootPaths($configuration['view.']['templateRootPaths.']);
-		$view->setPartialRootPaths($configuration['view.']['partialRootPaths.']);
-		$view->setLayoutRootPaths($configuration['view.']['layoutRootPaths.']);
+		$view->setTemplateRootPaths($configuration['view']['templateRootPaths']);
+		$view->setPartialRootPaths($configuration['view']['partialRootPaths']);
+		$view->setLayoutRootPaths($configuration['view']['layoutRootPaths']);
 		$view->setTemplate('PageBrowser/Index');
 		$pageBrowserVars = GeneralUtility::_GP('tx_sgnews_pagebrowser');
 		if (isset($pageBrowserVars['currentPage']) && (int) $pageBrowserVars['currentPage'] > 0) {
@@ -77,8 +79,8 @@ class PageBrowserViewHelper extends AbstractViewHelper {
 		}
 
 		$pageLinks = [];
-		$start = 1;
-		$end = $this->arguments['numberOfPages'];
+		$start = \max($currentPage - 1, 1);
+		$end = \min($this->arguments['numberOfPages'], $currentPage + 2);
 		for ($i = $start; $i < $end; $i++) {
 			$pageLinks[] = [
 				'number' => $i,
@@ -94,7 +96,7 @@ class PageBrowserViewHelper extends AbstractViewHelper {
 				'currentPage' => $currentPage,
 				'prevPageExist' => $currentPage > 1,
 				'showLessPages' => ($currentPage - 1) > 1,
-				'showNextPages' => ($currentPage + 1) < $this->arguments['numberOfPages'],
+				'showNextPages' => ($currentPage + 2) < $this->arguments['numberOfPages'],
 				'nextPageExist' => $currentPage < $this->arguments['numberOfPages'] - 1,
 				'numberOfPages' => $this->arguments['numberOfPages']
 			]