fix deep embedded form name

Author: sokrat

AbstractEmbeddedBehavior.php

@@ -131,13 +131,14 @@ protected function checkName($name)
         return $this->getFakeAttribute() == $name;
     }
 
-    protected function createEmbedded($attributes, $safeOnly = true)
+    protected function createEmbedded($attributes, $safeOnly = true, $config = [])
     {
         if (is_array($this->embedded)) {
             $embeddedConfig = $this->embedded;
         } else {
             $embeddedConfig = ['class' => $this->embedded];
         }
+        $embeddedConfig = array_merge($embeddedConfig, $config);
         /** @var EmbeddedDocument $model */
         $model = \Yii::createObject($embeddedConfig);
         $model->scenario = $this->owner->scenario;

EmbedsManyBehavior.php

@@ -22,8 +22,11 @@ protected function setAttributes(array $attributes, $safeOnly = true)
     {
         $this->storage->removeAll();
         foreach($attributes as $modelAttributes) {
-            $model = $this->createEmbedded($modelAttributes, $safeOnly);
-            $model->setFormName($this->getFormName($this->storage->getNextIndex()));
+            $model = $this->createEmbedded(
+                $modelAttributes,
+                $safeOnly,
+                ['formName' => $this->getFormName($this->storage->getNextIndex())]
+            );
             $this->storage[] = $model;
         }
     }
@@ -42,8 +45,11 @@ public function getStorage()
             }
 
             foreach ($attributes as $modelAttributes) {
-                $model = $this->createEmbedded($modelAttributes, false);
-                $model->setFormName($this->getFormName($this->_storage->getNextIndex()));
+                $model = $this->createEmbedded(
+                    $modelAttributes,
+                    false,
+                    ['formName' => $this->getFormName($this->storage->getNextIndex())]
+                );
                 $this->_storage[] = $model;
             }
         }

EmbedsOneBehavior.php

@@ -23,8 +23,11 @@ protected function setAttributes(array $attributes, $safeOnly = true)
     public function getStorage()
     {
         if (empty($this->_storage)) {
-            $this->_storage = $this->createEmbedded((array)$this->owner->{$this->attribute}, false);
-            $this->_storage->formName = Html::getInputName($this->owner, $this->fakeAttribute);
+            $this->_storage = $this->createEmbedded(
+                (array)$this->owner->{$this->attribute},
+                false,
+                ['formName' => Html::getInputName($this->owner, $this->fakeAttribute)]
+            );
         }
         return $this->_storage;
     }