Add event_selection and single_event_selection content-type

config/packages/app_event_admin.yaml

@@ -4,3 +4,38 @@ sulu_admin:
             routes:
                 list: 'app.get_events'
                 detail: 'app.get_event'
+    field_type_options:
+        selection:
+            event_selection:
+                default_type: 'list_overlay'
+                resource_key: 'events'
+                view:
+                    name: 'app.event.add_form'
+                    result_to_view:
+                        id: 'id'
+                types:
+                    list_overlay:
+                        adapter: 'table'
+                        list_key: 'events'
+                        display_properties:
+                            - 'name'
+                        icon: 'su-calendar'
+                        label: 'app.event_selection_label'
+                        overlay_title: 'app.select_events'
+        single_selection:
+            single_event_selection:
+                default_type: 'list_overlay'
+                resource_key: 'events'
+                view:
+                    name: 'app.event.add_form'
+                    result_to_view:
+                        id: 'id'
+                types:
+                    list_overlay:
+                        adapter: 'table'
+                        list_key: 'events'
+                        display_properties:
+                            - 'name'
+                        icon: 'su-calendar'
+                        empty_text: 'app.no_event_selected'
+                        overlay_title: 'app.select_event'

config/services.yaml

@@ -47,3 +47,9 @@ services:
 
     App\Content\Type\AlbumSelection:
         tags: [{name: 'sulu.content.type', alias: 'album_selection'}]
+
+    App\Content\Type\SingleEventSelection:
+        tags: [ { name: 'sulu.content.type', alias: 'single_event_selection' } ]
+
+    App\Content\Type\EventSelection:
+        tags: [ { name: 'sulu.content.type', alias: 'event_selection' } ]

src/Content/Type/EventSelection.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Content\Type;
+
+use App\Entity\Event;
+use Doctrine\ORM\EntityManagerInterface;
+use Sulu\Component\Content\Compat\PropertyInterface;
+use Sulu\Component\Content\SimpleContentType;
+
+class EventSelection extends SimpleContentType
+{
+    protected EntityManagerInterface $entityManager;
+
+    public function __construct(EntityManagerInterface $entityManager)
+    {
+        $this->entityManager = $entityManager;
+
+        parent::__construct('event_selection', []);
+    }
+
+    /**
+     * @return Event[]
+     */
+    public function getContentData(PropertyInterface $property): array
+    {
+        $ids = $property->getValue();
+
+        if (empty($ids)) {
+            return [];
+        }
+
+        $events = $this->entityManager->getRepository(Event::class)->findBy(['id' => $ids]);
+
+        $idPositions = array_flip($ids);
+        usort($events, function (Event $a, Event $b) use ($idPositions) {
+            return $idPositions[$a->getId()] - $idPositions[$b->getId()];
+        });
+
+        return $events;
+    }
+
+    /**
+     * @return array<string, array<int>|null>
+     */
+    public function getViewData(PropertyInterface $property): array
+    {
+        return [
+            'ids' => $property->getValue(),
+        ];
+    }
+}

src/Content/Type/SingleEventSelection.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Content\Type;
+
+use App\Entity\Event;
+use Doctrine\ORM\EntityManagerInterface;
+use Sulu\Component\Content\Compat\PropertyInterface;
+use Sulu\Component\Content\SimpleContentType;
+
+class SingleEventSelection extends SimpleContentType
+{
+    protected EntityManagerInterface $entityManager;
+
+    public function __construct(EntityManagerInterface $entityManager)
+    {
+        $this->entityManager = $entityManager;
+
+        parent::__construct('single_event_selection', null);
+    }
+
+    public function getContentData(PropertyInterface $property): ?Event
+    {
+        $id = $property->getValue();
+
+        if (empty($id)) {
+            return null;
+        }
+
+        return $this->entityManager->getRepository(Event::class)->find($id);
+    }
+
+    /**
+     * @return array<string, int|null>
+     */
+    public function getViewData(PropertyInterface $property): array
+    {
+        return [
+            'id' => $property->getValue(),
+        ];
+    }
+}

translations/admin.de.json

@@ -13,5 +13,9 @@
     "app.select_album": "Album auswählen",
     "app.events": "Events",
     "app.start_date": "Startdatum",
-    "app.end_date": "Enddatum"
+    "app.end_date": "Enddatum",
+    "app.event_selection_label": "{count} {count, plural, =1 {Event} other {Events}} ausgewählt",
+    "app.select_events": "Events auswählen",
+    "app.no_event_selected": "Kein Event ausgewählt",
+    "app.select_event": "Event auswählen"
 }

translations/admin.en.json

@@ -13,5 +13,9 @@
     "app.select_album": "Select album",
     "app.events": "Events",
     "app.start_date": "Start Date",
-    "app.end_date": "End Date"
+    "app.end_date": "End Date",
+    "app.event_selection_label": "{count} {count, plural, =1 {event} other {events}} selected",
+    "app.select_events": "Select events",
+    "app.no_event_selected": "No event selected",
+    "app.select_event": "Select event"
 }