create type select2_choice and apply select2 only on those fields

Form/Type/Select2ChoiceType.php

@@ -0,0 +1,49 @@
+<?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;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Extends choice to allow adding select2 library on widget
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class Select2ChoiceType extends AbstractType
+{
+    public function getName()
+    {
+        return 'select2_choice';
+    }
+    
+    public function getParent()
+    {
+        return 'choice';
+    }
+    
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->replaceDefaults(
+              array('attr' => array('class' => 'select2 '))
+              );
+    }
+}

Resources/config/services.yml

@@ -25,3 +25,8 @@ services:
             - "%locale%"
         tags:
             - { name: form.type, alias: translatable_string }
+     
+    chill.main.form.type.select2choice:
+        class: Chill\MainBundle\Form\Type\Select2ChoiceType
+        tags:
+            - {name: form.type, alias: select2_choice}

Resources/views/layout.html.twig

@@ -134,7 +134,7 @@
         }
     });
 
-    $('select').select2();
+    $('.select2').select2();
     </script>
 
 </body>