Allow to configure which themes should be available via parameters.yaml

src/Entity/UserSystem/User.php

@@ -68,10 +68,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      */
     public const ID_ANONYMOUS = 1;
 
-    public const AVAILABLE_THEMES = ['bootstrap', 'cerulean', 'cosmo', 'cyborg', 'darkly', 'flatly', 'journal',
-        'litera', 'lumen', 'lux', 'materia', 'minty', 'morph', 'pulse', 'quartz', 'sandstone', 'simplex', 'sketchy', 'slate', 'solar',
-        'spacelab', 'superhero', 'united', 'vapor', 'yeti', 'zephyr'];
-
     /**
      * @var bool Determines if the user is disabled (user can not log in)
      * @ORM\Column(type="boolean")

src/Form/Type/ThemeChoiceType.php

@@ -0,0 +1,58 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Form\Type;
+
+use App\Entity\UserSystem\User;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ThemeChoiceType extends AbstractType
+{
+    private array $available_themes;
+
+    public function __construct(array $available_themes)
+    {
+        $this->available_themes = $available_themes;
+    }
+
+    public function getParent()
+    {
+        return ChoiceType::class;
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'choices' => $this->available_themes,
+            'choice_label' => static function ($entity, $key, $value) {
+                return $value;
+            },
+            'attr' => [
+                'data-controller' => 'elements--selectpicker',
+                'title' => 'selectpicker.nothing_selected',
+            ],
+            'choice_translation_domain' => false,
+            'placeholder' => 'user_settings.theme.placeholder'
+        ]);
+    }
+
+}

src/Form/UserAdminForm.php

@@ -30,6 +30,7 @@ use App\Form\Permissions\PermissionsType;
 use App\Form\Type\CurrencyEntityType;
 use App\Form\Type\MasterPictureAttachmentType;
 use App\Form\Type\StructuralEntityType;
+use App\Form\Type\ThemeChoiceType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -151,18 +152,8 @@ class UserAdminForm extends AbstractType
                 'preferred_choices' => ['Europe/Berlin'],
                 'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])
-            ->add('theme', ChoiceType::class, [
+            ->add('theme', ThemeChoiceType::class, [
                 'required' => false,
-                'choices' => User::AVAILABLE_THEMES,
-                'choice_label' => static function ($entity, $key, $value) {
-                    return $value;
-                },
-                'attr' => [
-                    'data-controller' => 'elements--selectpicker',
-                    'title' => 'selectpicker.nothing_selected',
-                ],
-                'choice_translation_domain' => false,
-                'placeholder' => 'user_settings.theme.placeholder',
                 'label' => 'user.theme.label',
                 'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])

src/Form/UserSettingsType.php

@@ -24,6 +24,7 @@ namespace App\Form;
 
 use App\Entity\UserSystem\User;
 use App\Form\Type\CurrencyEntityType;
+use App\Form\Type\ThemeChoiceType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Event\PreSetDataEvent;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -114,18 +115,9 @@ class UserSettingsType extends AbstractType
                 'label' => 'user.timezone.label',
                 'preferred_choices' => ['Europe/Berlin'],
             ])
-            ->add('theme', ChoiceType::class, [
+            ->add('theme', ThemeChoiceType::class, [
                 'disabled' => $this->demo_mode,
                 'required' => false,
-                'attr' => [
-                    'data-controller' => 'elements--selectpicker',
-                ],
-                'choice_translation_domain' => false,
-                'choices' => User::AVAILABLE_THEMES,
-                'choice_label' => static function ($entity, $key, $value) {
-                    return $value;
-                },
-                'placeholder' => 'user_settings.theme.placeholder',
                 'label' => 'user.theme.label',
             ])
             ->add('currency', CurrencyEntityType::class, [