/**
* Return an SMWDataValue object for the next SMWDataItem object or
* false if no further object exists.
*
* @since 1.6
*
* @return SMWDataValue or false
*/
public function getNextDataValue()
{
$di = $this->getNextDataItem();
if ($di === false) {
return false;
}
if ($this->mPrintRequest->getMode() == SMWPrintRequest::PRINT_PROP && $this->mPrintRequest->getTypeID() == '_rec' && $this->mPrintRequest->getParameter('index') !== false) {
// Not efficient, but correct: we need to find the right property for
// the selected index of the record here.
$pos = $this->mPrintRequest->getParameter('index') - 1;
$recordValue = SMWDataValueFactory::newDataItemValue($di, $this->mPrintRequest->getData()->getDataItem());
$diProperties = $recordValue->getPropertyDataItems();
if (array_key_exists($pos, $diProperties) && !is_null($diProperties[$pos])) {
$diProperty = $diProperties[$pos];
} else {
$diProperty = null;
}
} elseif ($this->mPrintRequest->getMode() == SMWPrintRequest::PRINT_PROP) {
$diProperty = $this->mPrintRequest->getData()->getDataItem();
} else {
$diProperty = null;
}
$dv = SMWDataValueFactory::newDataItemValue($di, $diProperty);
if ($this->mPrintRequest->getOutputFormat()) {
$dv->setOutputFormat($this->mPrintRequest->getOutputFormat());
}
return $dv;
}
/**
* Return an SMWDataValue object for the next SMWDataItem object or
* false if no further object exists.
*
* @since 1.6
*
* @return SMWDataValue or false
*/
public function getNextDataValue() {
$di = $this->getNextDataItem();
if ( $di === false ) {
return false;
}
if ( $this->mPrintRequest->getMode() == SMWPrintRequest::PRINT_PROP ) {
$diProperty = $this->mPrintRequest->getData()->getDataItem();
} else {
$diProperty = null;
}
$dv = SMWDataValueFactory::newDataItemValue( $di, $diProperty );
if ( $this->mPrintRequest->getOutputFormat() ) {
$dv->setOutputFormat( $this->mPrintRequest->getOutputFormat() );
}
return $dv;
}
/**
* Rewrite printrequests in the way that subselection are cut down to normal property selections
* in order to display them properly.
*
* @param SMWPrintRequest $pr
* @return SMWPrintRequest
*/
private function rewritePrintrequest($pr)
{
$data = $pr->getData();
$rewritten_prs = $pr;
if ($data instanceof Title) {
// property chain appear as Title
$titleText = $data->getText();
$chain = explode(".", $titleText);
if (count($chain) > 1) {
$newtitle = Title::newFromText($chain[count($chain) - 1], SMW_NS_PROPERTY);
if ($newtitle->exists()) {
$newlabel = $pr->getLabel() != $titleText ? $pr->getLabel() : $newtitle->getText();
$newData = SMWPropertyValue::makeUserProperty($newtitle->getText());
} else {
$newlabel = $pr->getLabel() != $titleText ? $pr->getLabel() : $newtitle->getText();
$newData = $newtitle;
}
$rewritten_prs = new SMWPrintRequest($newtitle->exists() ? SMWPrintRequest::PRINT_PROP : SMWPrintRequest::PRINT_THIS, $newlabel, $newData, $pr->getOutputFormat());
$rewritten_prs->getHash();
}
}
return $rewritten_prs;
}
