[TASK] Remove AbstractToolbarItem class

The Abstract is only implemented by one single class, so it is pretty useless.
The functionality is moved to the actual class, and the Abstract is removed.

Change-Id: I61e5d2cabd7458c7963d3223e7ed11d49a3f1f41
Releases: master
Resolves: #67788
Reviewed-on: http://review.typo3.org/40698

Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: David Greiner <hallo@davidgreiner.de>
Tested-by: David Greiner <hallo@davidgreiner.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>

typo3/sysext/backend/Classes/Backend/ToolbarItems/AbstractToolbarItem.php

-<?php
-namespace TYPO3\CMS\Backend\Backend\ToolbarItems;
-
-/*
- * This file is part of the TYPO3 CMS project.
- *
- * It is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License, either version 2
- * of the License, or any later version.
- *
- * For the full copyright and license information, please read the
- * LICENSE.txt file that was distributed with this source code.
- *
- * The TYPO3 project - inspiring people to share!
- */
-
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Fluid\View\StandaloneView;
-
-/**
- * Render system info toolbar item
- */
-abstract class AbstractToolbarItem {
-
-	/**
-	 * @var StandaloneView
-	 */
-	protected $standaloneView = NULL;
-
-	public function __construct() {
-		$extPath = ExtensionManagementUtility::extPath('backend');
-		/* @var $view StandaloneView */
-		$this->standaloneView = GeneralUtility::makeInstance(StandaloneView::class);
-		$this->standaloneView->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/ToolbarMenu/' . static::TOOLBAR_MENU_TEMPLATE);
-	}
-
-	/**
-	 * @param string $extension Set the extension context (required for shorthand locallang.xlf references)
-	 * @return StandaloneView
-	 */
-	protected function getStandaloneView($extension = NULL) {
-		if (!empty($extension)) {
-			$request = $this->standaloneView->getRequest();
-			$request->setControllerExtensionName($extension);
-		}
-		return $this->standaloneView;
-	}
-}

typo3/sysext/backend/Classes/Backend/ToolbarItems/SystemInformationToolbarItem.php

@@ -20,13 +20,20 @@ use TYPO3\CMS\Backend\Utility\BackendUtility;
 use TYPO3\CMS\Backend\Utility\IconUtility;
 use TYPO3\CMS\Core\Http\AjaxRequestHandler;
 use TYPO3\CMS\Core\Utility\CommandUtility;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\Utility\StringUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
 
 /**
  * Render system info toolbar item
  */
-class SystemInformationToolbarItem extends AbstractToolbarItem implements ToolbarItemInterface {
+class SystemInformationToolbarItem implements ToolbarItemInterface {
+
+	/**
+	 * @var StandaloneView
+	 */
+	protected $standaloneView = NULL;
 
 	/**
 	 * Template file for the dropdown menu
@@ -77,7 +84,10 @@ class SystemInformationToolbarItem extends AbstractToolbarItem implements Toolba
 			return;
 		}
 
-		parent::__construct();
+		$extPath = ExtensionManagementUtility::extPath('backend');
+		/* @var $view StandaloneView */
+		$this->standaloneView = GeneralUtility::makeInstance(StandaloneView::class);
+		$this->standaloneView->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/ToolbarMenu/' . static::TOOLBAR_MENU_TEMPLATE);
 
 		$pageRenderer = $this->getPageRenderer();
 		$pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/Toolbar/SystemInformationMenu');
@@ -280,14 +290,16 @@ class SystemInformationToolbarItem extends AbstractToolbarItem implements Toolba
 			return '';
 		}
 
-		$this->getStandaloneView('backend')->assignMultiple(array(
+		$request = $this->standaloneView->getRequest();
+		$request->setControllerExtensionName('backend');
+		$this->standaloneView->assignMultiple(array(
 			'installToolUrl' => BackendUtility::getModuleUrl('system_InstallInstall'),
 			'messages' => $this->systemMessages,
 			'count' => $this->totalCount,
 			'severityBadgeClass' => $this->severityBadgeClass,
 			'systemInformation' => $this->systemInformation
 		));
-		return $this->getStandaloneView()->render();
+		return $this->standaloneView->render();
 	}
 
 	/**
@@ -367,5 +379,4 @@ class SystemInformationToolbarItem extends AbstractToolbarItem implements Toolba
 		}
 		return $this->signalSlotDispatcher;
 	}
-
 }
\ No newline at end of file