/**
* Ignore prepping value from post basically.
*
* @param mixed $value
*
* @return ElementCriteriaModel
*/
public function prepValueFromPost($value)
{
// Check if anything has changed or emptied
if ($this->hasChanged() || empty($value)) {
// Yes! Prep value from post
return parent::prepValueFromPost($value);
}
// Nope, just return the same 'old
return $this->element->getContent()->getAttribute($this->model->handle);
}
