add SimpleMdTextareaType::class

src/Entity/Page/SimplePage.php

@@ -4,7 +4,7 @@ namespace App\Entity\Page;
 
 use App\Core\Entity\Site\Page\Block;
 use App\Core\Entity\Site\Page\FileBlock;
-use App\Core\Form\Site\Page\TextareaBlockType;
+use App\Form\Type\SimpleMdTextareaBlockType;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Form\FormBuilderInterface;
 
@@ -19,12 +19,11 @@ class SimplePage extends TitledPage
 
         $builder->add(
             'content',
-            TextareaBlockType::class,
+            SimpleMdTextareaBlockType::class,
             [
                 'label' => 'Contenu',
                 'options' => [
                     'attr' => [
-                        'data-simplemde' => '',
                         'rows' => '50',
                     ],
                     'constraints' => [

src/Form/Type/SimpleMdTextareaBlockType.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Form\Type;
+
+use App\Core\Form\Site\Page\TextBlockType;
+use Symfony\Component\Form\FormBuilderInterface;
+
+class SimpleMdTextareaBlockType extends TextBlockType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add(
+            'value',
+            SimpleMdTextareaType::class,
+            array_merge([
+                'required' => false,
+                'label' => false,
+            ], $options['options']),
+        );
+    }
+}

src/Form/Type/SimpleMdTextareaType.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Form\Type;
+
+use Symfony\Component\Form\Extension\Core\Type\TextareaType;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
+
+class SimpleMdTextareaType extends TextareaType
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        if (!isset($view->vars['attr']['data-simplemde'])) {
+            $view->vars['attr']['data-simplemde'] = '';
+        }
+
+        if (!isset($view->vars['attr']['rows'])) {
+            $view->vars['attr']['rows'] = 20;
+        }
+
+        return parent::buildView($view, $form, $options);
+    }
+}