extended twig renderer to expose javascript and style render methods

Form/GenemuRenderer.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Genemu package.
+ *
+ * (c) Olivier Chauvel <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Genemu\Bundle\FormBundle\Form;
+
+use Symfony\Bridge\Twig\Form\TwigRenderer;
+use Symfony\Component\Form\FormViewInterface;
+
+/**
+ * Adds javascript and stylesheet sections support.
+ *
+ * @author Bilal Amarni <[email protected]>
+ */
+class GenemuRenderer extends TwigRenderer
+{
+    public function renderJavascript(FormViewInterface $view)
+    {
+        return $this->renderSection($view, 'javascript');
+    }
+
+    public function renderStylesheet(FormViewInterface $view)
+    {
+        return $this->renderSection($view, 'stylesheet');
+    }
+}

Resources/config/twig.xml

@@ -7,7 +7,11 @@
     <services>
         <service id="genemu.twig.extension.form" class="Genemu\Bundle\FormBundle\Twig\Extension\FormExtension">
             <tag name="twig.extension" />
-            <argument type="service" id="twig.form.renderer" />
+            <argument type="service" id="genemu.form.renderer" />
+        </service>
+        <service id="genemu.form.renderer" class="Genemu\Bundle\FormBundle\Form\GenemuRenderer" public="false">
+            <argument type="service" id="twig.form.engine" />
+            <argument type="service" id="form.csrf_provider" on-invalid="null" />
         </service>
     </services>
 

Twig/Extension/FormExtension.php

@@ -12,7 +12,6 @@
 namespace Genemu\Bundle\FormBundle\Twig\Extension;
 
 use Symfony\Bridge\Twig\Extension\FormExtension as BaseFormExtension;
-use Symfony\Component\Form\FormView;
 
 /**
  * FormExtension extends Twig with form capabilities.
@@ -27,35 +26,11 @@ class FormExtension extends BaseFormExtension
     public function getFunctions()
     {
         return array(
-            'form_javascript' => new \Twig_Function_Method($this, 'renderJavascript', array('is_safe' => array('html'))),
-            'form_stylesheet' => new \Twig_Function_Method($this, 'renderStylesheet', array('is_safe' => array('html'))),
+            'form_javascript' => new \Twig_Function_Method($this, 'renderer->renderJavascript', array('is_safe' => array('html'))),
+            'form_stylesheet' => new \Twig_Function_Method($this, 'renderer->renderStylesheet', array('is_safe' => array('html'))),
         );
     }
 
-    /**
-     * Render Function Form Javascript
-     *
-     * @param FromView $view
-     *
-     * @return string
-     */
-    public function renderJavascript(FormView $view)
-    {
-        return $this->render($view, 'javascript');
-    }
-
-    /**
-     * Render Function Form Stylesheet
-     *
-     * @param FromView $view
-     *
-     * @return string
-     */
-    public function renderStylesheet(FormView $view)
-    {
-        return $this->render($view, 'stylesheet');
-    }
-
     /**
      * {@inheritdoc}
      */