/**
* @see SMWResultPrinter::buildResult
*
* @since 1.8
*
* @param SMWQueryResult $results
*
* @return string
*/
protected function buildResult(SMWQueryResult $results)
{
// Intro/outro are not planned to work with the widget option
if ($this->params['intro'] !== '' && $this->params['widget'] !== '') {
return $results->addErrors(array(wfMessage('srf-error-option-mix', 'intro/widget')->inContentLanguage()->text()));
} elseif ($this->params['outro'] !== '' && $this->params['widget'] !== '') {
return $results->addErrors(array(wfMessage('srf-error-option-mix', 'outro/widget')->inContentLanguage()->text()));
}
return $this->getResultText($results, $this->outputMode);
}
/**
* Return serialised results in specified format
*
* @param SMWQueryResult $results
* @param $outputmode
*
* @return string
*/
public function getResultText(SMWQueryResult $results, $outputmode)
{
// Check output conditions
if ($this->params['widget'] == 'sphere' && $this->params['link'] !== 'all' && $this->params['template'] === '') {
return $results->addErrors(array(wfMessage('srf-error-option-link-all', 'sphere')->inContentLanguage()->text()));
}
// Template support
$this->hasTemplates = $this->params['template'] !== '';
// Prioritize HTML setting
$this->isHTML = $this->params['widget'] !== '';
$this->isHTML = $this->params['template'] === '';
$outputmode = SMW_OUTPUT_HTML;
// Sphere widget
if ($this->params['widget'] === 'sphere') {
SMWOutputs::requireResource('ext.srf.tagcloud.sphere');
}
// Wordcloud widget
if ($this->params['widget'] === 'wordcloud') {
SMWOutputs::requireResource('ext.srf.tagcloud.wordcloud');
}
return $this->getTagCloud($this->getTagSizes($this->getTags($results, $outputmode)));
}
/**
* Build an SMWQueryResult object from a SMWSparqlResultWrapper. This
* function is used to generate instance query results, and the given
* result wrapper must have an according format (one result column that
* contains URIs of wiki pages).
*
* @param $sparqlResultWrapper SMWSparqlResultWrapper
* @param $query SMWQuery, SMWQueryResults hold a reference to original query
* @return SMWQueryResult
*/
protected function getQueryResultFromSparqlResult(SMWSparqlResultWrapper $sparqlResultWrapper, SMWQuery $query)
{
$resultDataItems = array();
foreach ($sparqlResultWrapper as $resultRow) {
if (count($resultRow) > 0) {
$dataItem = SMWExporter::findDataItemForExpElement($resultRow[0]);
if (!is_null($dataItem)) {
$resultDataItems[] = $dataItem;
}
}
}
if ($sparqlResultWrapper->numRows() > $query->getLimit()) {
array_pop($resultDataItems);
$hasFurtherResults = true;
} else {
$hasFurtherResults = false;
}
$result = new SMWQueryResult($query->getDescription()->getPrintrequests(), $query, $resultDataItems, $this->m_store, $hasFurtherResults);
switch ($sparqlResultWrapper->getErrorCode()) {
case SMWSparqlResultWrapper::ERROR_NOERROR:
break;
case SMWSparqlResultWrapper::ERROR_INCOMPLETE:
$result->addErrors(array(wfMessage('smw_db_sparqlqueryincomplete')->inContentLanguage()->text()));
break;
default:
$result->addErrors(array(wfMessage('smw_db_sparqlqueryproblem')->inContentLanguage()->text()));
break;
}
return $result;
}
protected function getResultText(SMWQueryResult $res, $outputmode)
{
if ($this->mFormat == 'template' && $this->mTemplate == false) {
$res->addErrors(array(wfMessage('smw_notemplategiven')->inContentLanguage()->text()));
return '';
}
// Determine mark-up strings used around list items:
if ($this->mFormat == 'ul' || $this->mFormat == 'ol') {
$header = "<" . $this->mFormat . ">\n";
$footer = "</" . $this->mFormat . ">\n";
$rowstart = "\t<li>";
$rowend = "</li>\n";
$plainlist = false;
} else {
// "list" and "template" format
$header = '';
$footer = '';
$rowstart = '';
$rowend = '';
$plainlist = true;
}
if ($this->mSep !== '') {
// always respect custom separator
$listsep = $this->mSep;
$finallistsep = $listsep;
} elseif ($this->mFormat == 'list') {
// make default list ", , , and "
// TODO: No default separator for "ul" and "ol" to not break
// compatibility with SMW pre 1.7.1. But they really should have
// default separators, i.e. the check should be for
// $this->mFormat !== 'template'
$listsep = ', ';
$finallistsep = wfMessage('smw_finallistconjunct')->inContentLanguage()->text() . ' ';
} else {
// no default separators for format "template", "ul", "ol"
$listsep = '';
$finallistsep = '';
}
// Initialise more values
$result = '';
$column_width = 0;
$rows_per_column = -1;
// usually unnecessary
$rows_in_cur_column = -1;
// Set up floating divs, if there's more than one column
if ($this->mColumns > 1) {
$column_width = floor(100 / $this->mColumns);
$result .= '<div style="float: left; width: ' . $column_width . '%">' . "\n";
$rows_per_column = ceil($res->getCount() / $this->mColumns);
$rows_in_cur_column = 0;
}
if ($header !== '') {
$result .= $header;
}
if ($this->mIntroTemplate !== '') {
$result .= "{{" . $this->mIntroTemplate . "}}";
}
// Now print each row
$rownum = -1;
while ($row = $res->getNext()) {
$this->printRow($row, $rownum, $rows_in_cur_column, $rows_per_column, $this->mFormat, $plainlist, $header, $footer, $rowstart, $rowend, $result, $column_width, $res, $listsep, $finallistsep);
}
if ($this->mOutroTemplate !== '') {
$result .= "{{" . $this->mOutroTemplate . "}}";
}
// Make label for finding further results
if ($this->linkFurtherResults($res) && ($this->mFormat != 'ol' || $this->getSearchLabel(SMW_OUTPUT_WIKI))) {
$this->showFurtherResults($result, $res, $rowstart, $rowend, $outputmode);
}
// Print footer
if ($footer !== '') {
$result .= $footer;
}
if ($this->mColumns > 1) {
$result .= "</div>\n";
}
if ($this->mColumns > 1) {
$result .= '<br style="clear: both" />' . "\n";
}
// Make sure that if the result set turns empty and if available display default
if ($this->params['default'] !== '' && $result === '') {
$result = $this->params['default'];
}
return $result;
}
protected function getResultText( SMWQueryResult $res, $outputmode ) {
if ( ( $this->mFormat == 'template' ) && ( $this->mTemplate == false ) ) {
$res->addErrors( array( wfMsgForContent( 'smw_notemplategiven' ) ) );
return '';
}
// Determine mark-up strings used around list items:
if ( ( $this->mFormat == 'ul' ) || ( $this->mFormat == 'ol' ) ) {
$header = "<" . $this->mFormat . ">\n";
$footer = "</" . $this->mFormat . ">\n";
$rowstart = "\t<li>";
$rowend = "</li>\n";
$plainlist = false;
$finallistsep = '';
$listsep = '';
} else { // "list" and "template" format
$header = '';
$footer = '';
$rowstart = '';
$rowend = '';
$plainlist = true;
if ( $this->mSep !== '' ) { // always respect custom separator
$listsep = $this->mSep;
$finallistsep = $listsep;
} elseif ( $this->mFormat == 'list' ) { // make default list ", , , and "
$listsep = ', ';
$finallistsep = wfMsgForContent( 'smw_finallistconjunct' ) . ' ';
} else { // no default separators for format "template"
$listsep = '';
$finallistsep = '';
}
}
// Initialise more values
$result = '';
$column_width = 0;
$rows_per_column = -1; // usually unnecessary
$rows_in_cur_column = -1;
// Set up floating divs, if there's more than one column
if ( $this->mColumns > 1 ) {
$column_width = floor( 100 / $this->mColumns );
$result .= '<div style="float: left; width: ' . $column_width . '%">' . "\n";
$rows_per_column = ceil( $res->getCount() / $this->mColumns );
$rows_in_cur_column = 0;
}
if ( $header !== '' ) {
$result .= $header;
}
if ( $this->mIntroTemplate !== '' ) {
$result .= "{{" . $this->mIntroTemplate . "}}";
}
// Now print each row
$rownum = -1;
while ( $row = $res->getNext() ) {
$this->printRow( $row, $rownum, $rows_in_cur_column,
$rows_per_column, $this->mFormat, $plainlist,
$header, $footer, $rowstart, $rowend, $result,
$column_width, $res, $listsep, $finallistsep );
}
if ( $this->mOutroTemplate !== '' ) {
$result .= "{{" . $this->mOutroTemplate . "}}";
}
// Make label for finding further results
if ( $this->linkFurtherResults( $res ) && ( ( $this->mFormat != 'ol' ) || ( $this->getSearchLabel( SMW_OUTPUT_WIKI ) ) ) ) {
$this->showFurtherResults( $result, $res, $rowstart, $rowend );
}
// Print footer
if ( $footer !== '' ) {
$result .= $footer;
}
if ( $this->mColumns > 1 ) {
$result .= "</div>\n";
}
if ( $this->mColumns > 1 ) {
$result .= '<br style="clear: both" />' . "\n";
}
return $result;
}
/**
* Return serialised results in specified format.
*/
protected function getResultText(SMWQueryResult $res, $outputmode)
{
if ($this->mTreeProp === null || $this->mTreeProp === '') {
$res->addErrors(array(wfMessage('srf-noparentprop')->inContentLanguage()->text()));
return '';
}
$store = $res->getStore();
// first put everything in a list
// elements appearing more than once will be inserted more than once,
// but only one instance will be inserted with the hash
// only this instance will be considered as a parent element in the tree
$list = array();
while ($row = $res->getNext()) {
$hash = $row[0]->getResultSubject()->getSerialization();
if (array_key_exists($hash, $list)) {
$list[] = new SRFTreeElement($row);
} else {
$list[$hash] = new SRFTreeElement($row);
}
}
// transfer the listelements into the tree
// elements with more than one parent will be cloned for each parent
$tree = array();
foreach ($list as $hash => $listElem) {
$parents = $store->getPropertyValues($listElem->mRow[0]->getResultSubject(), SMWDIProperty::newFromUserLabel($this->mTreeProp));
// transfer element from list to tree
foreach ($parents as $parent) {
$parentPageHash = $parent->getSerialization();
if ($hash !== null) {
if (array_key_exists($parentPageHash, $list)) {
$listElem->mParent = $parentPageHash;
}
$tree[$hash] = $listElem;
$hash = null;
} else {
$treeElem = clone $listElem;
if (array_key_exists($parentPageHash, $list)) {
$treeElem->mParent = $parentPageHash;
} else {
$treeElem->mParent = null;
}
$tree[] = $treeElem;
}
}
}
foreach ($tree as $hash => $value) {
}
// build pointers from parants to children
foreach ($tree as $hash => $treeElem) {
if ($treeElem->mParent != null) {
$tree[$treeElem->mParent]->mChildren[] = $treeElem;
}
}
// remove children from toplevel
foreach ($tree as $hash => $treeElem) {
if ($treeElem->mParent != null) {
unset($tree[$hash]);
}
}
$result = '';
$rownum = 0;
foreach ($tree as $hash => $treeElem) {
$this->printElement($result, $treeElem, $row);
}
return $result;
}
/**
* Build a feed
*
* @since 1.8
*
* @param SMWQueryResult $results
* @param $type
*
* @return string
*/
protected function getFeed(SMWQueryResult $results, $type)
{
global $wgFeedClasses;
if (!isset($wgFeedClasses[$type])) {
$results->addErrors(array(wfMessage('feed-invalid')->inContentLanguage()->text()));
return '';
}
// Get feed class instance
/**
* @var ChannelFeed $feed
*/
$feed = new $wgFeedClasses[$type]($this->feedTitle(), $this->feedDescription(), $this->feedURL());
// Create feed header
$feed->outHeader();
// Create feed items
while ($row = $results->getNext()) {
$feed->outItem($this->feedItem($row));
}
// Create feed footer
$feed->outFooter();
return $feed;
}
private function makeQueryResultForInstance(FederateResultSet $federateResultSet, Query $query)
{
$resultDataItems = array();
foreach ($federateResultSet as $resultRow) {
if (count($resultRow) > 0) {
$dataItem = Exporter::findDataItemForExpElement($resultRow[0]);
if (!is_null($dataItem)) {
$resultDataItems[] = $dataItem;
}
}
}
if ($federateResultSet->numRows() > $query->getLimit()) {
array_pop($resultDataItems);
$hasFurtherResults = true;
} else {
$hasFurtherResults = false;
}
$result = new QueryResult($query->getDescription()->getPrintrequests(), $query, $resultDataItems, $this->store, $hasFurtherResults);
switch ($federateResultSet->getErrorCode()) {
case FederateResultSet::ERROR_NOERROR:
break;
case FederateResultSet::ERROR_INCOMPLETE:
$result->addErrors(array(wfMessage('smw_db_sparqlqueryincomplete')->inContentLanguage()->text()));
break;
default:
$result->addErrors(array(wfMessage('smw_db_sparqlqueryproblem')->inContentLanguage()->text()));
break;
}
return $result;
}
/**
* Return serialised results in specified format.
*/
protected function getResultText(SMWQueryResult $res, $outputmode)
{
if ($this->mTreeProp === '') {
$res->addErrors(array(wfMessage('srf-noparentprop')->inContentLanguage()->text()));
return '';
}
$store = $res->getStore();
// put everything in a list and set parent hashes
// elements appearing more than once will be inserted more than once and
// elements with more than one parent will be cloned for each parent,
// but only one instance will ever be inserted with the hash and
// only this instance will later be considered as a parent element in the tree
$tree = array();
while ($row = $res->getNext()) {
$element = new SRFTreeElement($row);
$hash = $row[0]->getResultSubject()->getSerialization();
if (array_key_exists($hash, $tree)) {
$hash = null;
}
$parents = $store->getPropertyValues($element->mRow[0]->getResultSubject(), SMWDIProperty::newFromUserLabel($this->mTreeProp));
if (empty($parents)) {
// no parents: copy into tree as root level item
if ($hash !== null) {
$tree[$hash] = $element;
} else {
$tree[] = $element;
}
} else {
// one or more parents: copy one copy per parent into tree
foreach ($parents as $parent) {
if ($hash !== null) {
$tree[$hash] = $element;
$hash = null;
} else {
$element = clone $element;
$tree[] = $element;
}
$element->mParent = $parent->getSerialization();
}
}
}
$rootElements = array();
// build pointers from parents to children and remove pointers to parents that don't exist in the tree
foreach ($tree as $hash => $element) {
if ($element->mParent !== null) {
if (array_key_exists($element->mParent, $tree)) {
$tree[$element->mParent]->mChildren[] = $element;
} else {
$element->mParent = null;
$rootElements[$hash] = $element;
}
} else {
$rootElements[$hash] = $element;
}
}
$result = '';
$rownum = 0;
// if a specific page was specified as root element of the tree
if ($this->mRoot !== '') {
// get the title object of the root page
$rootTitle = Title::newFromText($this->mRoot);
if ($rootTitle === null) {
$res->addErrors(array(wfMessage('srf-rootinvalid')->params($this->mRoot)->inContentLanguage()->text()));
return '';
}
$rootSerialization = SMWDIWikiPage::newFromTitle($rootTitle)->getSerialization();
// find the root page in the tree and print it and its subtree
if (array_key_exists($rootSerialization, $tree)) {
$this->printElement($result, $tree[$rootSerialization], $rownum, $this->mStartLevel);
}
} else {
// iterate through all tree elements
foreach ($rootElements as $hash => $element) {
// print current root element and its subtree
$this->printElement($result, $element, $rownum, $this->mStartLevel);
}
}
return $result;
}
