/**
* Factory method for returning a singleton instance of sorter
*
* @param Tx_PtExtlist_Domain_Configuration_ConfigurationBuilder $configurationBuilder
* @return Tx_PtExtlist_Domain_Model_Sorting_Sorter
*/
public function getInstance(Tx_PtExtlist_Domain_Configuration_ConfigurationBuilder $configurationBuilder)
{
$listIdentifier = $configurationBuilder->getListIdentifier();
if ($this->instances[$listIdentifier] === null) {
$this->instances[$listIdentifier] = $this->objectManager->get('Tx_PtExtlist_Domain_Model_Sorting_Sorter');
$this->instances[$listIdentifier]->_injectSorterConfig($configurationBuilder->buildSorterConfiguration());
// At the moment we have to build list header here, as it is not registered in sorter otherwise.
// TODO refactor this! We can register list header after sorter is build!
$listHeaderFactory = $this->objectManager->get('Tx_PtExtlist_Domain_Model_List_Header_ListHeaderFactory');
/* @var $listHeaderFactory Tx_PtExtlist_Domain_Model_List_Header_ListHeaderFactory */
$listHeaderFactory->createInstance($configurationBuilder);
}
return $this->instances[$listIdentifier];
}
