[#6579] some tweaks

Author: xabbuh

book/forms.rst

@@ -637,8 +637,9 @@ large or whether you tried to submit text in a number field.
 
 .. seealso::
 
-    To see how to use a service with dependencies to resolve ``validation_groups``
-    checkout cookbook article :doc:`/cookbook/validation/validation-group-service-resolver`.
+    To see how to use a service to resolve ``validation_groups`` dynamically
+    read the :doc:`/cookbook/validation/validation-group-service-resolver`
+    chapter in the cookbook.
 
 .. index::
    single: Forms; Built-in field types

cookbook/map.rst.inc

@@ -248,7 +248,7 @@
 
   * :doc:`/cookbook/validation/custom_constraint`
   * :doc:`/cookbook/validation/severity`
-  * :doc:`/cookbook/validation/validation-group-service-resolver`
+  * :doc:`/cookbook/validation/group_service_resolver`
 
 * :doc:`/cookbook/web_server/index`
 

cookbook/validation/validation-group-service-resolver.rst renamed to cookbook/validation/group_service_resolver.rst

@@ -1,13 +1,14 @@
 How to Dynamically Configure Validation Groups
 ==============================================
 
-Sometimes you need advanced logic to determine the validation groups. If this
+Sometimes you need advanced logic to determine the validation groups. If they
 can't be determined by a simple callback, you can use a service. Create a
 service that implements ``__invoke`` which accepts a ``FormInterface`` as a
 parameter.
 
 .. code-block:: php
 
+    // src/AppBundle/Validation/ValidationGroupResolver.php
     namespace AppBundle\Validation;
 
     use Symfony\Component\Form\FormInterface;
@@ -42,15 +43,15 @@ Then in your form, inject the resolver and set it as the ``validation_groups``.
 
 .. code-block:: php
 
-    use Symfony\Component\OptionsResolver\OptionsResolverInterface;
-    use Symfony\Component\Form\AbstractType
+    // src/AppBundle/Form/MyClassType.php;
+    namespace AppBundle\Form;
+
     use AppBundle\Validator\ValidationGroupResolver;
+    use Symfony\Component\Form\AbstractType
+    use Symfony\Component\OptionsResolver\OptionsResolver;
 
     class MyClassType extends AbstractType
     {
-        /**
-         * @var ValidationGroupResolver
-         */
         private $groupResolver;
 
         public function __construct(ValidationGroupResolver $groupResolver)
@@ -59,7 +60,7 @@ Then in your form, inject the resolver and set it as the ``validation_groups``.
         }
 
         // ...
-        public function setDefaultOptions(OptionsResolverInterface $resolver)
+        public function configureOptions(OptionsResolver $resolver)
         {
             $resolver->setDefaults(array(
                 'validation_groups' => $this->groupResolver,

cookbook/validation/index.rst

@@ -6,4 +6,4 @@ Validation
 
     custom_constraint
     severity
-    validation-group-service-resolver
+    group_service_resolver