Adapt ScopePicker to replace Entity field by Hidden field if only one choice

Form/DataMapper/ScopePickerDataMapper.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Chill\MainBundle\Form\DataMapper;
+
+use Chill\MainBundle\Entity\Scope;
+use Symfony\Component\Form\DataMapperInterface;
+use Symfony\Component\Form\FormInterface;
+
+class ScopePickerDataMapper implements DataMapperInterface
+{
+    /**
+     * @var \Chill\MainBundle\Entity\Scope
+     */
+    private $scope;
+
+    public function __construct(Scope $scope = null)
+    {
+        $this->scope = $scope;
+    }
+
+    public function mapDataToForms($data, $forms)
+    {
+        $forms = iterator_to_array($forms);
+
+        if ($this->scope instanceof Scope) {
+            $forms['scope']->setData($this->scope);
+            return;
+        }
+
+        if (null === $data) {
+            return;
+        }
+
+        if ($data instanceof Scope) {
+            $forms['scope']->setData($data);
+        }
+    }
+
+    public function mapFormsToData($forms, &$data)
+    {
+        $forms = iterator_to_array($forms);
+
+        if (isset($forms['scope'])) {
+            if ($this->scope instanceof Scope) {
+                $data = $this->scope;
+            } else {
+                $data = $forms['scope']->getData();
+            }
+        }
+    }
+}

Form/Type/ScopePickerType.php

@@ -17,9 +17,23 @@
  */
 namespace Chill\MainBundle\Form\Type;
 
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Form\DataMapper\ScopePickerDataMapper;
+use Doctrine\ORM\QueryBuilder;
 use Symfony\Component\Form\AbstractType;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
 use Doctrine\ORM\EntityRepository;
+use Symfony\Component\Form\Exception\TransformationFailedException;
+use Symfony\Component\Form\Exception\UnexpectedTypeException;
+use Symfony\Component\Form\Extension\Core\DataMapper\RadioListMapper;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
@@ -43,25 +57,21 @@ use Symfony\Component\Security\Core\Role\Role;
 class ScopePickerType extends AbstractType
 {
     /**
-     *
      * @var AuthorizationHelper
      */
     protected $authorizationHelper;
 
     /**
-     *
      * @var TokenStorageInterface
      */
     protected $tokenStorage;
 
     /**
-     *
      * @var EntityRepository
      */
     protected $scopeRepository;
 
     /**
-     *
      * @var TranslatableStringHelper
      */
     protected $translatableStringHelper;
@@ -78,66 +88,87 @@ class ScopePickerType extends AbstractType
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $query = $this->buildAccessibleScopeQuery($options['center'], $options['role']);
+        $items = $query->getQuery()->execute();
+
+        if (count($items) !== 1) {
+            $builder->add(
+                'scope', EntityType::class, [
+                'class' => Scope::class,
+                'placeholder' => 'Choose the circle',
+                'choice_label' => function (Scope $c) {
+                    return $this->translatableStringHelper->localize($c->getName());
+                },
+                'query_builder' => function () use ($options) {
+                    return $this->buildAccessibleScopeQuery($options['center'], $options['role']);
+                },
+                ]
+            );
+            $builder->setDataMapper(new ScopePickerDataMapper());
+        } else {
+            $builder->add(
+                'scope', HiddenType::class, [
+                'data' => $items[0]->getId(),
+                ]
+            );
+            $builder->setDataMapper(new ScopePickerDataMapper($items[0]));
+        }
+    }
+
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        $view->vars = array_replace(
+            $view->vars, [
+            'hideLabel' => true,
+            ]
+        );
+    }
 
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver
-            // create `center` option
+          // create `center` option
             ->setRequired('center')
             ->setAllowedTypes('center', [Center::class ])
-            // create ``role` option
+          // create ``role` option
             ->setRequired('role')
-            ->setAllowedTypes('role', ['string', Role::class ])
-            ;
-
-        $resolver
-            ->setDefault('class', Scope::class)
-            ->setDefault('placeholder', 'Choose the circle')
-            ->setDefault('choice_label', function(Scope $c) {
-                return $this->translatableStringHelper->localize($c->getName());
-            })
-            ->setNormalizer('query_builder', function(Options $options) {
-                return $this->buildAccessibleScopeQuery($options['center'], $options['role']);
-            })
-            ;
+            ->setAllowedTypes('role', ['string', Role::class ]);
     }
 
-    public function getParent()
-    {
-        return EntityType::class;
-    }
-    
     /**
-     * 
+     *
      * @return \Doctrine\ORM\QueryBuilder
      */
     protected function buildAccessibleScopeQuery(Center $center, Role $role)
     {
         $roles = $this->authorizationHelper->getParentRoles($role);
         $roles[] = $role;
-        
+
         $qb = $this->scopeRepository->createQueryBuilder('s');
         $qb
-            // jointure to center
+          // jointure to center
             ->join('s.roleScopes', 'rs')
             ->join('rs.permissionsGroups', 'pg')
             ->join('pg.groupCenters', 'gc')
-            // add center constraint
+          // add center constraint
             ->where($qb->expr()->eq('IDENTITY(gc.center)', ':center'))
             ->setParameter('center', $center->getId())
-            // role constraints
+          // role constraints
             ->andWhere($qb->expr()->in('rs.role', ':roles'))
-            ->setParameter('roles', \array_map(
-                    function(Role $role) {
+            ->setParameter(
+                'roles', \array_map(
+                    function (Role $role) {
                         return $role->getRole();
                     },
                     $roles
-                ))
-            // user contraint
-            ->andWhere(':user MEMBER OF gc.users')
-            ->setParameter('user', $this->tokenStorage->getToken()->getUser())
-            ;
-        
+                )
+            )
+          // user contraint
+          ->andWhere(':user MEMBER OF gc.users')
+          ->setParameter('user', $this->tokenStorage->getToken()->getUser());
+
         return $qb;
     }
 }

Resources/views/Form/fields.html.twig

@@ -18,17 +18,18 @@
 
 {% block form_row %}
 {% apply spaceless %}
+    {% if form.vars.hideLabel is not defined or form.vars.hideLabel == false %}
     <div class="container">
         <div class="{% apply spaceless %}
-            {% if attr.class is defined and ('cf-title' in attr.class or 'cf-fields' in attr.class ) %} 
+            {% if attr.class is defined and ('cf-title' in attr.class or 'cf-fields' in attr.class ) %}
                 grid-12
-            {% elseif attr.class is defined and 'multiple-cf-inline' in attr.class %} 
+            {% elseif attr.class is defined and 'multiple-cf-inline' in attr.class %}
                 grid-2  grid-mobile-4 grid-tablet-4 mobile-clear tablet-clear
             {% else %}
                 grid-4 clear
             {% endif %}
         {% endapply %}">
-        {% if attr.class is not defined or ('cf-title' not in attr.class and 'cf-fields' not in attr.class ) %} 
+        {% if attr.class is not defined or ('cf-title' not in attr.class and 'cf-fields' not in attr.class ) %}
             {{ form_label(form) }}
         {% endif %}
         </div>
@@ -47,6 +48,9 @@
             {{ form_errors(form) }}
         </div>
     </div>
+    {% else %}
+        {{ form_widget(form)  }}
+    {% endif %}
 {% endapply %}
 {% endblock form_row %}
     
@@ -182,4 +186,4 @@
         <button class="chill-collection__button--add sc-button" data-collection-add-target="{{ form.vars.name|escape('html_attr') }}" data-form-prototype="{{ ('<div>' ~ form_widget(form.vars.prototype) ~ '</div>')|escape('html_attr') }}" >{{ form.vars.button_add_label|trans }}</button>
     </div>
     {% endif %}
-{% endblock %}
+{% endblock %}