protected function isColumnRequired($columnName) {
if ($this->_requiredColumns == null) {
return false;
}
try {
$column = $this->_requiredColumns->getRecord($columnName);
return true;
} catch (Gpf_Data_RecordSetNoRowException $e) {
return false;
}
}
private function getCachedRecordSet(Gpf_Data_RecordSet $recordSet) {
$from = $this->params->get(Gpf_Ui_RichListBox::FROM);
$rowsPerPage = $this->params->get(Gpf_Ui_RichListBox::ROWS_PER_PAGE);
$this->count = $recordSet->getSize();
if ($this->count > $this->params->get(Gpf_Ui_RichListBox::MAX_CACHED_COUNT)) {
$cachedRecordSet = $recordSet->toShalowRecordSet();
if ($from + $rowsPerPage > $this->count) {
$to = $this->count;
} else {
$to = $from + $rowsPerPage;
}
for ($from; $from < $to; $from++) {
$cachedRecordSet->add($recordSet->getRecord($from));
}
return $cachedRecordSet;
}
return $recordSet;
}
