Order languages in alphabetical order in every language

Form/Type/DataTransformer/MultipleObjectsToIdTransformer.php

@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * Chill is a software for social workers
+ * Copyright (C) 2014 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\MainBundle\Form\Type\DataTransformer;
+
+use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
+use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\Common\Collections\ArrayCollection;
+ 
+class MultipleObjectsToIdTransformer implements DataTransformerInterface
+{
+    /**
+    * @var ObjectManager
+    */
+    private $em;
+ 
+    /**
+    * @var string
+    */
+    private $class;
+ 
+    /**
+    * @param ObjectManager $em
+    */
+    public function __construct(ObjectManager $em, $class)
+    {
+        $this->em = $em;
+        $this->class = $class;
+    }
+ 
+    /**
+    * Transforms an object (use) to a string (id).
+    *
+    * @param array $array
+    * @return ArrayCollection
+    */
+    public function transform($array)
+    {
+        $ret = array();
+
+        foreach ($array as $el) {
+            $ret[] = ($el->getId());
+        }
+
+        return $ret;
+    }
+ 
+    /**
+    * Transforms a string (id) to an object (item).
+    *
+    * @param string $id
+    * @return ArrayCollection
+    */
+    public function reverseTransform($array)
+    {
+        $ret = new ArrayCollection();
+
+        foreach ($array as $el) {
+            $ret->add(
+                $this->em
+                    ->getRepository($this->class)
+                    ->find($el)
+            );
+        }
+        return $ret;
+    }
+}

Form/Type/Select2LanguageType.php

@@ -21,10 +21,12 @@
 namespace Chill\MainBundle\Form\Type;
 
 use Symfony\Component\Form\AbstractType;
-use Chill\MainBundle\Templating\TranslatableStringHelper;
 use Symfony\Component\OptionsResolver\OptionsResolverInterface;
 use Chill\MainBundle\Entity\Language;
 use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\Form\FormBuilderInterface;
+use Chill\MainBundle\Form\Type\DataTransformer\MultipleObjectsToIdTransformer;
+use Doctrine\Common\Persistence\ObjectManager;
 
 /**
  * Extends choice to allow adding select2 library on widget for languages (multiple)
@@ -32,14 +34,19 @@ use Symfony\Component\HttpFoundation\RequestStack;
 class Select2LanguageType extends AbstractType
 {
     /**
-     * 
      * @var RequestStack
      */
     private $requestStack;
+
+    /**
+     * @var ObjectManager
+     */
+    private $em;
     
-    public function __construct(RequestStack $requestStack)
+    public function __construct(RequestStack $requestStack,ObjectManager $em)
     {
         $this->requestStack = $requestStack;
+        $this->em = $em;
     }
     
     public function getName()
@@ -47,18 +54,32 @@ class Select2LanguageType extends AbstractType
         return 'select2_chill_language';
     }
     
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $transformer = new MultipleObjectsToIdTransformer($this->em,'Chill\MainBundle\Entity\Language');
+        $builder->addModelTransformer($transformer);
+    }
+
     public function getParent()
     {
-        return 'select2_entity';
+        return 'select2_choice';
     }
     
     public function setDefaultOptions(OptionsResolverInterface $resolver)
     {
         $locale = $this->requestStack->getCurrentRequest()->getLocale();
-        
+        $languages = $this->em->getRepository('Chill\MainBundle\Entity\Language')->findAll();
+        $choices = array();
+
+        foreach ($languages as $l) {
+            $choices[$l->getId()] = $l->getName()[$locale];
+        }
+
+        asort($choices, SORT_STRING | SORT_FLAG_CASE);
+
         $resolver->setDefaults(array(
            'class' => 'Chill\MainBundle\Entity\Language',
-           'property' => 'name['.$locale.']'
+           'choices' => $choices
         ));
     }
 }

Resources/config/services.yml

@@ -60,6 +60,7 @@ services:
         class: Chill\MainBundle\Form\Type\Select2LanguageType
         arguments:
             - "@request_stack"
+            - "@doctrine.orm.entity_manager"
         tags:
             - { name: form.type, alias: select2_chill_language }