/**
* Return an SMWDataValue object for the next SMWDataItem object or
* false if no further object exists.
*
* @since 1.6
*
* @return SMWDataValue|false
*/
public function getNextDataValue()
{
$dataItem = $this->getNextDataItem();
if ($dataItem === false) {
return false;
}
if ($this->mPrintRequest->getMode() == PrintRequest::PRINT_PROP && strpos($this->mPrintRequest->getTypeID(), '_rec') !== false && $this->mPrintRequest->getParameter('index') !== false) {
$recordValue = DataValueFactory::getInstance()->newDataValueByItem($dataItem, $this->mPrintRequest->getData()->getDataItem());
$diProperty = $recordValue->getPropertyDataItemByIndex($this->mPrintRequest->getParameter('index'));
} elseif ($this->mPrintRequest->isMode(PrintRequest::PRINT_PROP)) {
$diProperty = $this->mPrintRequest->getData()->getDataItem();
} elseif ($this->mPrintRequest->isMode(PrintRequest::PRINT_CHAIN)) {
$diProperty = $this->mPrintRequest->getData()->getLastPropertyChainValue()->getDataItem();
} else {
$diProperty = null;
}
// refs #1314
if ($this->mPrintRequest->getMode() == PrintRequest::PRINT_PROP && strpos($this->mPrintRequest->getTypeID(), '_txt') !== false && $dataItem instanceof DIBlob) {
$dataItem = new DIBlob(InTextAnnotationParser::removeAnnotation($dataItem->getString()));
}
$dataValue = DataValueFactory::getInstance()->newDataValueByItem($dataItem, $diProperty);
$dataValue->setContextPage($this->mResult);
if ($this->mPrintRequest->getOutputFormat()) {
$dataValue->setOutputFormat($this->mPrintRequest->getOutputFormat());
}
if ($this->entityListAccumulator !== null && $dataItem instanceof DataItem) {
$this->entityListAccumulator->addToEntityList($dataItem, $diProperty);
}
return $dataValue;
}
/**
* Make a request option object based on the given parameters, and
* return NULL if no such object is required. The parameter defines
* if the limit should be taken into account, which is not always desired
* (especially if results are to be cached for future use).
*
* @param boolean $useLimit
*
* @return SMWRequestOptions|null
*/
protected function getRequestOptions($useLimit = true)
{
$limit = $useLimit ? $this->mPrintRequest->getParameter('limit') : false;
$order = trim($this->mPrintRequest->getParameter('order'));
// Important: use "!=" for order, since trim() above does never return "false", use "!==" for limit since "0" is meaningful here.
if ($limit !== false || $order != false) {
$options = new SMWRequestOptions();
if ($limit !== false) {
$options->limit = trim($limit);
}
if ($order == 'descending' || $order == 'reverse' || $order == 'desc') {
$options->sort = true;
$options->ascending = false;
} elseif ($order == 'ascending' || $order == 'asc') {
$options->sort = true;
$options->ascending = true;
}
} else {
$options = null;
}
return $options;
}
private function isMultiValueWithParameter($parameter)
{
return strpos($this->printRequest->getTypeID(), '_rec') !== false && $this->printRequest->getParameter($parameter) !== false;
}
