/**
* See {@link PatternRecursive}.
*
* @param DataTable $table
* @return int The number of deleted rows.
*/
public function filter($table)
{
$rows = $table->getRows();
foreach ($rows as $key => $row) {
// A row is deleted if
// 1 - its label doesnt contain the pattern
// AND 2 - the label is not found in the children
$patternNotFoundInChildren = false;
try {
$idSubTable = $row->getIdSubDataTable();
$subTable = Manager::getInstance()->getTable($idSubTable);
// we delete the row if we couldn't find the pattern in any row in the
// children hierarchy
if ($this->filter($subTable) == 0) {
$patternNotFoundInChildren = true;
}
} catch (Exception $e) {
// there is no subtable loaded for example
$patternNotFoundInChildren = true;
}
if ($patternNotFoundInChildren && !Pattern::match($this->patternToSearchQuoted, $row->getColumn($this->columnToFilter), $invertedMatch = false)) {
$table->deleteRow($key);
}
}
return $table->getRowsCount();
}