added drag and drop for new records via calendar (#1962)

src/Event/CalendarDragAndDropSourceEvent.php

@@ -0,0 +1,51 @@
+<?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\Calendar\DragAndDropSource;
+use App\Entity\User;
+use Symfony\Contracts\EventDispatcher\Event;
+
+final class CalendarDragAndDropSourceEvent extends Event
+{
+    /**
+     * @var User
+     */
+    private $user;
+    /**
+     * @var DragAndDropSource[]
+     */
+    private $sources = [];
+
+    public function __construct(User $user)
+    {
+        $this->user = $user;
+    }
+
+    public function getUser(): User
+    {
+        return $this->user;
+    }
+
+    public function addSource(DragAndDropSource $source): CalendarDragAndDropSourceEvent
+    {
+        $this->sources[] = $source;
+
+        return $this;
+    }
+
+    /**
+     * @return DragAndDropSource[]
+     */
+    public function getSources(): array
+    {
+        return $this->sources;
+    }
+}