protected function _init_headline()
{
$headline_class = 'Datasource_Section_' . ucfirst($this->type()) . '_Headline';
if (!class_exists($headline_class)) {
throw new Kohana_Exception('Headline class :class not found', array(':class' => $headline_class));
}
$this->_headline = new $headline_class();
$this->_headline->set_section($this);
}
protected function _serialize()
{
$vars = parent::_serialize();
unset($vars['_fields']);
return $vars;
}
