/**
  * Gets a content properties object for the submitted form
  * @return joppa\content\model\ContentProperties
  */
 public function getContentProperties()
 {
     $properties = new ContentProperties();
     $properties->setModelName($this->getValue(self::FIELD_MODEL));
     $properties->setRecursiveDepth($this->getValue(self::FIELD_RECURSIVE_DEPTH));
     $properties->setIncludeUnlocalized($this->getValue(self::FIELD_INCLUDE_UNLOCALIZED));
     $properties->setView($this->getValue(self::FIELD_VIEW));
     $fields = $this->getValue(self::FIELD_FIELDS);
     if ($fields) {
         $properties->setModelFields($fields);
     }
     return $properties;
 }