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lib/pkp/controllers/grid/files/fileList/SelectableFileListGridHandler.php

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+<?php
+/**
+ * @file controllers/grid/files/fileList/SelectableFileListGridHandler.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2003-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class SelectableFileListGridHandler
+ *
+ * @ingroup controllers_grid_files_fileList
+ *
+ * @brief Base grid for selectable file lists. The grid use the SelectableItemFeature
+ * to show a check box for each row so that the user can make a selection
+ * among grid entries.
+ */
+
+namespace PKP\controllers\grid\files\fileList;
+
+use PKP\controllers\grid\feature\selectableItems\SelectableItemsFeature;
+
+class SelectableFileListGridHandler extends FileListGridHandler
+{
+    //
+    // Overriden methods from GridHandler.
+    //
+    /**
+     * @copydoc GridHandler::initFeatures()
+     */
+    public function initFeatures($request, $args)
+    {
+        return [new SelectableItemsFeature()];
+    }
+
+
+    //
+    // Implemented methods from GridHandler.
+    //
+    /**
+     * @copydoc GridHandler::isDataElementSelected()
+     */
+    public function isDataElementSelected($gridDataElement)
+    {
+        $file = $gridDataElement['submissionFile'];
+        return $file->getViewable();
+    }
+
+    /**
+     * @copydoc GridHandler::getSelectName()
+     */
+    public function getSelectName()
+    {
+        return 'selectedFiles';
+    }
+}