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lib/pkp/classes/controllers/grid/feature/selectableItems/SelectableItemsFeature.php

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+<?php
+
+/**
+ * @file classes/controllers/grid/feature/selectableItems/SelectableItemsFeature.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class SelectableItemsFeature
+ *
+ * @ingroup controllers_grid_feature_selectableItems
+ *
+ * @brief Implements grid widgets selectable items functionality.
+ *
+ */
+
+namespace PKP\controllers\grid\feature\selectableItems;
+
+use PKP\controllers\grid\feature\GridFeature;
+
+class SelectableItemsFeature extends GridFeature
+{
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct('selectableItems');
+    }
+
+
+    //
+    // Hooks implementation.
+    //
+    /**
+     * @see GridFeature::gridInitialize()
+     */
+    public function gridInitialize($args)
+    {
+        $grid = $args['grid'];
+
+        // Add checkbox column to the grid.
+        $grid->addColumn(new ItemSelectionGridColumn($grid->getSelectName()));
+    }
+
+    /**
+     * @see GridFeature::getInitializedRowInstance()
+     */
+    public function getInitializedRowInstance($args)
+    {
+        /** @var \PKP\controllers\grid\CategoryGridHandler|\PKP\controllers\grid\GridHandler */
+        $grid = $args['grid'];
+        /** @var \PKP\controllers\grid\GridRow */
+        $row = $args['row'];
+
+        if ($grid instanceof \PKP\controllers\grid\CategoryGridHandler) {
+            $categoryId = $grid->getCurrentCategoryId();
+            $row->addFlag('selected', (bool) $grid->isDataElementInCategorySelected($categoryId, $row->getData()));
+        } else {
+            $row->addFlag('selected', (bool) $grid->isDataElementSelected($row->getData()));
+        }
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\controllers\grid\feature\selectableItems\SelectableItemsFeature', '\SelectableItemsFeature');
+}