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typo3/sysext/extensionmanager/Classes/ViewHelpers/ShowExtensionVersionsViewHelper.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\Extensionmanager\Domain\Model\Extension;
+use TYPO3\CMS\Fluid\ViewHelpers\Link\ActionViewHelper;
+
+/**
+ * Display a link to show all versions of an extension
+ * @internal
+ */
+class ShowExtensionVersionsViewHelper extends ActionViewHelper
+{
+    /**
+     * @var string
+     */
+    protected $tagName = 'a';
+
+    /**
+     * Initialize arguments
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('extension', Extension::class, '', true);
+    }
+
+    /**
+     * Renders an install link
+     *
+     * @return string the rendered a tag
+     */
+    public function render()
+    {
+        /** @var Extension $extension */
+        $extension = $this->arguments['extension'];
+
+        $uriBuilder = $this->renderingContext->getControllerContext()->getUriBuilder();
+        $action = 'showAllVersions';
+        $uri = $uriBuilder->reset()->uriFor($action, [
+            'extensionKey' => $extension->getExtensionKey(),
+        ], 'List');
+        $this->tag->addAttribute('href', $uri);
+
+        // Set class
+        $this->tag->addAttribute('class', 'versions-all ui-icon ui-icon-triangle-1-s');
+
+        $label = \TYPO3\CMS\Extbase\Utility\LocalizationUtility::translate('extensionList.showAllVersions.label', 'extensionmanager');
+        $this->tag->addAttribute('title', $label);
+        $this->tag->setContent($label);
+        return $this->tag->render();
+    }
+}