public function ajaxRemoveColumnAction()
{
$id = $this->_getParam('id');
$filter = $this->getCurrentDisplayFilter($id);
$columns = $filter->columns;
if (!isset($columns[$id])) {
throw new Exception(__("Cannot generate column with that index, there is no filter defined for that column Index: ") . $id);
}
$filterState = new FilterState();
if (isset($columns[$id]['filterStateId'])) {
$filterStateId = $columns[$id]['filterStateId'];
$filterState->deleteByFilterStateId($filterStateId);
}
unset($this->_session->filter->columns[$id]);
$json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
$json->suppressExit = true;
$data = array();
$data['ret'] = true;
$json->direct($data);
}
