Display meta-fields in datatables (#1116)

src/Event/UserPreferenceDisplayEvent.php

@@ -0,0 +1,59 @@
+<?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\Event;
+
+use App\Entity\UserPreference;
+use Symfony\Contracts\EventDispatcher\Event;
+
+/**
+ * Dynamically find possible user preferences to display.
+ */
+final class UserPreferenceDisplayEvent extends Event
+{
+    public const EXPORT = 'export';
+    public const USERS = 'users';
+
+    /**
+     * @var UserPreference[]
+     */
+    protected $preferences = [];
+    /**
+     * @var string
+     */
+    private $location;
+
+    public function __construct(string $location)
+    {
+        $this->location = $location;
+    }
+
+    /**
+     * @return UserPreference[]
+     */
+    public function getPreferences(): array
+    {
+        return $this->preferences;
+    }
+
+    public function addPreference(UserPreference $preference)
+    {
+        $this->preferences[] = $preference;
+    }
+
+    /**
+     * If you want to filter where the preference will be displayed, check the current location.
+     *
+     * @return string
+     */
+    public function getLocation(): string
+    {
+        return $this->location;
+    }
+}