issue649: new formType to use select2 with LocationTypeFilter

src/Bundle/ChillMainBundle/Form/Type/Select2LocationTypeType.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Chill\MainBundle\Form\Type;
+
+use Chill\MainBundle\Entity\LocationType;
+use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class Select2LocationTypeType extends AbstractType
+{
+    private TranslatableStringHelper $translatableStringHelper;
+
+    public function __construct(TranslatableStringHelper $translatableStringHelper)
+    {
+        $this->translatableStringHelper = $translatableStringHelper;
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add('locationtype', EntityType::class, [
+            'class' => LocationType::class,
+            'choice_label' => function (LocationType $type) {
+                return $this->translatableStringHelper->localize($type->getTitle());
+            },
+            'placeholder' => 'Pick a location type',
+            'required' => false,
+            'label' => $options['label'],
+            'label_attr' => $options['label_attr'],
+            'multiple' => $options['multiple'],
+            'attr' => ['class' => 'select2'],
+        ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver
+            ->setDefault('label', 'Location type')
+            ->setDefault('label_attr', [])
+            ->setDefault('multiple', false)
+            ->setAllowedTypes('multiple', ['bool'])
+        ;
+    }
+
+    public function getBlockPrefix()
+    {
+        return 'select2_location_type_type';
+    }
+}