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typo3/sysext/extensionmanager/Classes/ViewHelpers/RemoveExtensionViewHelper.php

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+<?php
+namespace TYPO3\CMS\Extensionmanager\ViewHelpers;
+
+/*
+ * 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\Imaging\Icon;
+use TYPO3\CMS\Core\Imaging\IconFactory;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\ViewHelpers\Link\ActionViewHelper;
+
+/**
+ * ViewHelper for displaying a remove extension link
+ * @internal
+ */
+class RemoveExtensionViewHelper extends ActionViewHelper
+{
+    /**
+     * Initialize arguments
+     *
+     * @throws \TYPO3Fluid\Fluid\Core\ViewHelper\Exception
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('extension', 'array', '', true);
+    }
+
+    /**
+     * Renders an install link
+     *
+     * @return string the rendered a tag
+     */
+    public function render()
+    {
+        $extension = $this->arguments['extension'];
+        $iconFactory = GeneralUtility::makeInstance(IconFactory::class);
+        if (\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded($extension['key'])) {
+            return '<span class="btn btn-default disabled">' . $iconFactory->getIcon('empty-empty', Icon::SIZE_SMALL)->render() . '</span>';
+        }
+        if (
+            !in_array($extension['type'], \TYPO3\CMS\Extensionmanager\Domain\Model\Extension::returnAllowedInstallTypes()) ||
+            $extension['type'] === 'System'
+        ) {
+            return '<span class="btn btn-default disabled">' . $iconFactory->getIcon('empty-empty', Icon::SIZE_SMALL)->render() . '</span>';
+        }
+        $uriBuilder = $this->renderingContext->getControllerContext()->getUriBuilder();
+        $action = 'removeExtension';
+        $uriBuilder->reset();
+        $uriBuilder->setFormat('json');
+        $uri = $uriBuilder->uriFor($action, [
+            'extension' => $extension['key']
+        ], 'Action');
+        $this->tag->addAttribute('href', $uri);
+        $cssClass = 'removeExtension btn btn-default';
+        $this->tag->addAttribute('class', $cssClass);
+        $this->tag->addAttribute('title', \TYPO3\CMS\Extbase\Utility\LocalizationUtility::translate('extensionList.remove', 'extensionmanager'));
+        $this->tag->setContent($iconFactory->getIcon('actions-edit-delete', Icon::SIZE_SMALL)->render());
+        return $this->tag->render();
+    }
+}