refactored page actions to event subscriber (#2420)

src/EventSubscriber/Actions/ExportSubscriber.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\EventSubscriber\Actions;
+
+use App\Event\PageActionsEvent;
+
+class ExportSubscriber extends AbstractActionsSubscriber
+{
+    public static function getActionName(): string
+    {
+        return 'export';
+    }
+
+    public function onActions(PageActionsEvent $event): void
+    {
+        $event->addColumnToggle('#modal_export');
+
+        if ($event->isView('preview')) {
+            $event->addAction('off', ['id' => 'export-toggle-button']);
+        }
+
+        $event->addHelp($this->documentationLink('export.html'));
+    }
+}