protected function setImportedValue($value)
 {
     if ($value) {
         try {
             $size = getimagesize($value['tmp_name']);
             if ($size && $size[0] && $size[1] && in_array($size[2], $this->allowedImageTypes)) {
                 if ($this->minWidth && $this->minWidth > $size[0] || $this->minHeight && $this->minHeight > $size[1]) {
                     $this->setError(new FileFormControlError(FileFormControlError::TOO_SMALL));
                     return;
                 }
                 parent::setImportedValue($value);
             } else {
                 throw new Exception();
             }
         } catch (Exception $e) {
             $this->setError(new FileFormControlError(FileFormControlError::DISALLOWED_FILE_TYPE));
         }
     }
 }
 /**
  * @return FileFormControl
  */
 static function file($name, $label)
 {
     return FileFormControl::create($name, $label);
 }