private function validateForm($is_customizable = FALSE)
{
$this->form_validation->set_rules('editor_area', 'Editor area');
if ($is_customizable) {
$rules = $this->customizer->getRules();
$this->form_validation->set_rules($rules);
}
if ($this->form_validation->run() === TRUE) {
return TRUE;
} else {
return FALSE;
}
}