Mise en place des lien permettant de changer le laguage.

app/config/routing.yml

 MuzichIndexBundle:
   resource: "@MuzichIndexBundle/Resources/config/routing.yml"
   prefix: /
+    
+change_language:
+    pattern:  /change-language/{language}/{redirect}
+    defaults: { _controller: MuzichCoreBundle:Core:changeLanguage, redirect: referer }
   
 MuzichCoreBundle:
   resource: "@MuzichCoreBundle/Resources/config/routing.yml"
 
 MuzichHomeBundle:
   resource: "@MuzichHomeBundle/Resources/config/routing.yml"
-  prefix: /{_locale}/
-  defaults: { _locale: fr }
+  prefix: /
 
 MuzichUserBundle:
   resource: "@MuzichUserBundle/Resources/config/routing.yml"

src/Muzich/CoreBundle/Controller/CoreController.php

 use Muzich\CoreBundle\Form\Element\ElementAddForm;
 use Muzich\CoreBundle\ElementFactory\ElementManager;
 use Muzich\CoreBundle\Entity\Element;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 
 class CoreController extends Controller
 {
   
+  public function changeLanguageAction($language, $redirect)
+  {
+    if($language != null)
+    {
+      $old = $this->get('session')->getLocale();
+      $this->get('session')->setLocale($language);
+    }
+    
+    $url_referer = $this->container->get('request')->headers->get('referer');
+    
+    // On effectue un contrôl un peu sépcial:
+    // Si la page de demande était la page de connexion (hello)
+    if (
+      $this->generateUrl('index', array('_locale' => $old), true) == $url_referer
+      || $this->generateUrl('index', array('_locale' => null), true) == $url_referer
+    )
+    {
+      // On construit l'url
+      $url = $this->generateUrl('index', array('_locale' => $language));
+    }
+    else
+    {
+      // Sinon on retourne sur l'url précédent en modifiant la langue
+      $url = str_replace("/$old", "/$language", 
+        $this->container->get('request')->headers->get('referer'));
+    }
+    
+    return new RedirectResponse($url);
+  }
+  
   /**
    * 
    * @param string $type

src/Muzich/CoreBundle/Resources/config/routing.yml

 element_add:
   pattern:  /element/add
   defaults: { _controller: MuzichCoreBundle:Core:elementAdd }
-  

src/Muzich/CoreBundle/Resources/config/security.yml

             pattern:      ^/
             form_login:
                 provider:       fos_userbundle
-                login_path:     /hello
+                login_path:     index
                 use_forward:    false
                 check_path:     /login_check
                 failure_path:   null
-                default_target_path: /hello
+                default_target_path: home
+                
             logout:
                 path:   /logout
                 target: /hello
         
     ## La en tant qu'exemple, exploiter ça (http://j-place.developpez.com/tutoriels/php/ameliorez-vos-applications-developpees-avec-symfony2/#LVI-A-3)
     access_control:
-        - { path: ^/hello, roles: IS_AUTHENTICATED_ANONYMOUSLY }
+        - { path: "^/hello", roles: IS_AUTHENTICATED_ANONYMOUSLY }
+        - { path: "^/hello/(?:fr|en)", roles: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: ^/(?:fr|en)/register, roles: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: "^/(?:fr|en)/resetting", roles: IS_AUTHENTICATED_ANONYMOUSLY }
+        - { path: "^/change-language/(?:fr|en)", roles: IS_AUTHENTICATED_ANONYMOUSLY }
         
         
         - { path: ^/_wdt/, role: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: ^/css/, role: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: ^/bundles/, role: IS_AUTHENTICATED_ANONYMOUSLY }
         
+        - { path: ^/login$, role: IS_AUTHENTICATED_ANONYMOUSLY }
+        - { path: ^/login_check$, role: IS_AUTHENTICATED_ANONYMOUSLY }
+        
         - { path: ^/, roles: ROLE_USER }
 #        # Liste des pages accessibles à tous les utilisateurs (ne pas toucher)
-#        - { path: ^/login$, role: IS_AUTHENTICATED_ANONYMOUSLY }
-#        - { path: ^/login_check$, role: IS_AUTHENTICATED_ANONYMOUSLY }
 #        - { path: ^/register$, role: IS_AUTHENTICATED_ANONYMOUSLY }
 #        
 #        # PAGES ACCESSIBLES AUX ADMINISTRATEURS

src/Muzich/CoreBundle/Resources/views/Language/languages.html.twig

+<div id="choose_language">
+  <a href="{{ path('change_language', {'language' : 'fr'}) }}">fr</a> |
+  <a href="{{ path('change_language', {'language' : 'en'}) }}">en</a>
+</div>

src/Muzich/CoreBundle/Resources/views/layout.html.twig

 </head>
 <body>
   
-	
+  {% include "MuzichCoreBundle:Language:languages.html.twig" %}
+  
   {% include "MuzichUserBundle:Account:topBar.html.twig" %}
   
   <div id="container">

src/Muzich/HomeBundle/Resources/config/routing.yml

 ## Routing du Bundle
 
 home:
-  pattern:  /
-  defaults: { _controller: MuzichHomeBundle:Home:index }
+  pattern:  /{_locale}
+  defaults: { _controller: MuzichHomeBundle:Home:index, _locale: fr }
   
 show_user:
-  pattern: /user/{slug}
-  defaults: { _controller: MuzichHomeBundle:Show:showUser }
+  pattern: /{_locale}/user/{slug}
+  defaults: { _controller: MuzichHomeBundle:Show:showUser, _locale: fr }
   
 show_group:
-  pattern: /group/{slug}
-  defaults: { _controller: MuzichHomeBundle:Show:showGroup }
+  pattern: /{_locale}/group/{slug}
+  defaults: { _controller: MuzichHomeBundle:Show:showGroup, _locale: fr }

src/Muzich/IndexBundle/Controller/IndexController.php

 
 namespace Muzich\IndexBundle\Controller;
 
-use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Muzich\CoreBundle\lib\Controller;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
 use Symfony\Component\Security\Core\SecurityContext;
-use Symfony\Component\Security\Core\Exception\AuthenticationException;
 
-use Muzich\CoreBundle\Entity\Tag;
-use Muzich\CoreBundle\Entity\UsersTagsFavorites;
-use Muzich\CoreBundle\Entity\User;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 
 class IndexController extends Controller
 {
   public function indexAction()
   {
     $vars = $this->proceedLogin();
-    
     $form = $this->container->get('fos_user.registration.form');
     
     return array_merge($vars, array(
     );
   }
   
-  /**
-   * Gestion du formulaire d'inscription sur la page d'index.
-   * 
-   * @return type array
-   */
-  public function proceedRegister()
-  {
-    
-  }
-  
 }

src/Muzich/IndexBundle/Resources/config/routing.yml

 ## Routing du Bundle Index
 
 index:
-    pattern:  /hello
-    defaults: { _controller: MuzichIndexBundle:Index:index }
+    pattern:  /hello/{_locale}
+    defaults: { _controller: MuzichIndexBundle:Index:index, _locale: fr }
 
 fos_user_security:
     resource: "@FOSUserBundle/Resources/config/routing/security.xml"

web/bundles/muzichcore/css/main.css

     }
 }
 
-/* Message flash end */
+/* Message flash end */
+
+#choose_language
+{
+  float: right;
+  margin-right: 5px;
+}
+
+#choose_language a
+{
+  text-decoration: none;
+  color: black;
+}