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lib/pkp/classes/controllers/grid/feature/CollapsibleGridFeature.php

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+<?php
+
+/**
+ * @file classes/controllers/grid/feature/CollapsibleGridFeature.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 CollapsibleGridFeature
+ *
+ * @ingroup controllers_grid_feature
+ *
+ * @brief Add collapse and expand functionality to grids.
+ *
+ */
+
+namespace PKP\controllers\grid\feature;
+
+use APP\template\TemplateManager;
+use PKP\linkAction\LinkAction;
+use PKP\linkAction\request\NullAction;
+
+class CollapsibleGridFeature extends GridFeature
+{
+    /**
+     * @copydoc GridFeature::GridFeature()
+     * Constructor.
+     */
+    public function __construct($id = 'collapsible')
+    {
+        parent::__construct($id);
+    }
+
+    /**
+     * @copyDoc GridFeature::getJSClass()
+     */
+    public function getJSClass()
+    {
+        return '$.pkp.classes.features.CollapsibleGridFeature';
+    }
+
+    /**
+     * @copyDoc GridFeature::fetchUIElement()
+     */
+    public function fetchUIElements($request, $grid)
+    {
+        $controlLink = new LinkAction(
+            'expandGridControlLink',
+            new NullAction(),
+            null,
+            'expand_all'
+        );
+
+        $templateMgr = TemplateManager::getManager($request);
+        $templateMgr->assign('controlLink', $controlLink);
+        $markup = $templateMgr->fetch('controllers/grid/feature/collapsibleGridFeature.tpl');
+
+        return ['collapsibleLink' => $markup];
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\controllers\grid\feature\CollapsibleGridFeature', '\CollapsibleGridFeature');
+}