/**
* Method for handling the ask concept function.
*
* @todo The possible use of this in an HTML or Specal page context needs to be revisited. The code mentions it, but can this actually happen?
* @todo The escaping of symbols in concept queries needs to be revisited.
*
* @since 1.5.3
*
* @param Parser $parser
*/
public static function render(Parser &$parser)
{
global $wgContLang, $wgTitle;
$title = $parser->getTitle();
$pconc = new SMWDIProperty('_CONC');
if ($title->getNamespace() != SMW_NS_CONCEPT) {
$result = smwfEncodeMessages(array(wfMsgForContent('smw_no_concept_namespace')));
SMWOutputs::commitToParser($parser);
return $result;
} elseif (count(SMWParseData::getSMWdata($parser)->getPropertyValues($pconc)) > 0) {
$result = smwfEncodeMessages(array(wfMsgForContent('smw_multiple_concepts')));
SMWOutputs::commitToParser($parser);
return $result;
}
// process input:
$params = func_get_args();
array_shift($params);
// We already know the $parser ...
// Use first parameter as concept (query) string.
$concept_input = str_replace(array('>', '<'), array('>', '<'), array_shift($params));
// second parameter, if any, might be a description
$concept_docu = array_shift($params);
// NOTE: the str_replace above is required in MediaWiki 1.11, but not in MediaWiki 1.14
$query = SMWQueryProcessor::createQuery($concept_input, SMWQueryProcessor::getProcessedParams(array('limit' => 20, 'format' => 'list')), SMWQueryProcessor::CONCEPT_DESC);
$concept_text = $query->getDescription()->getQueryString();
if (!is_null(SMWParseData::getSMWData($parser))) {
$diConcept = new SMWDIConcept($concept_text, $concept_docu, $query->getDescription()->getQueryFeatures(), $query->getDescription()->getSize(), $query->getDescription()->getDepth());
SMWParseData::getSMWData($parser)->addPropertyObjectValue($pconc, $diConcept);
}
// display concept box:
$rdflink = SMWInfolink::newInternalLink(wfMsgForContent('smw_viewasrdf'), $wgContLang->getNsText(NS_SPECIAL) . ':ExportRDF/' . $title->getPrefixedText(), 'rdflink');
SMWOutputs::requireResource('ext.smw.style');
// TODO: escape output, preferably via Html or Xml class.
$result = '<div class="smwfact"><span class="smwfactboxhead">' . wfMsgForContent('smw_concept_description', $title->getText()) . (count($query->getErrors()) > 0 ? ' ' . smwfEncodeMessages($query->getErrors()) : '') . '</span>' . '<span class="smwrdflink">' . $rdflink->getWikiText() . '</span>' . '<br />' . ($concept_docu ? "<p>{$concept_docu}</p>" : '') . '<pre>' . str_replace('[', '[', $concept_text) . "</pre>\n</div>";
if (!is_null($wgTitle) && $wgTitle->isSpecialPage()) {
global $wgOut;
SMWOutputs::commitToOutputPage($wgOut);
} else {
SMWOutputs::commitToParser($parser);
}
return $result;
}
static function getOutputData( $title, $rid = 0 ) {
// normal page
global $wgTitle, $wgUser;
$wgTitle = $title;
$revision = Revision::newFromTitle( $title, $rid );
if ( $revision === NULL ) {
throw new MWException( __METHOD__ . ": Page not exist '{$page_name} ({$rid})'" );
}
$text = $revision->getText();
$wom = WOMProcessor::parseToWOM( $text );
global $wgOMOutputHookedParserFunctions;
$pfs = $wom->getObjectsByTypeID( WOM_TYPE_PARSERFUNCTION );
foreach ( $pfs as $id => $obj ) {
self::removeSubWOMIds( $obj );
foreach ( $wgOMOutputHookedParserFunctions as $function_key ) {
if ( $obj->getFunctionKey() == $function_key ) {
// add wom id to parser function, with specified parameter 'wom_id'
$param = new WOMParameterModel( 'wom_id' );
$pv = new WOMParamValueModel();
$param->insertObject( $pv );
$pv->insertObject( new WOMTextModel( $id ) );
$obj->insertObject( $param );
}
}
}
// FIXME: template values may have object ids
$tmpls = $wom->getObjectsByTypeID( WOM_TYPE_TEMPLATE );
foreach ( $tmpls as $id => $obj ) {
self::removeSubWOMIds( $obj );
}
global $wgParser, $wgOut, $wgWOMOutputHooked;
$wgWOMOutputHooked = true;
$options = ParserOptions::newFromUser( $wgUser );
self::$queryProps = array();
self::$queryId = 1;
$wgParser->parse( $wom->getWikiText(), $title, $options );
$output = SMWParseData::getSMWdata( $wgParser );
if ( !isset( $output ) ) {
$semdata = smwfGetStore()->getSemanticData( $title );
} else {
$semdata = $output;
}
$tmp_id = 0;
// fill in semantic properties
$properties = array();
foreach ( $semdata->getProperties() as $property ) {
$label = '';
if ( !$property->isShown() ) { // showing this is not desired, hide
continue;
} elseif ( $property->isUserDefined() ) { // user defined property
if ( version_compare ( SMW_VERSION, '1.6', '>=' ) ) {
$label = $property->getLabel();
} else {
$property->setCaption( preg_replace( '/[ ]/u', ' ', $property->getWikiValue(), 2 ) );
// / NOTE: the preg_replace is a slight hack to ensure that the left column does not get too narrow
$label = $property->getWikiValue();
}
} else {
if ( version_compare ( SMW_VERSION, '1.6', '>=' ) ) {
$label = $property->getLabel();
} else {
if ( $property->isVisible() ) { // predefined property
$label = $property->getWikiValue();
} else { // predefined, internal property
continue;
}
}
}
$properties[$label] = array();
$propvalues = $semdata->getPropertyValues( $property );
foreach ( $propvalues as $propvalue ) {
if ( version_compare ( SMW_VERSION, '1.6', '>=' ) ) {
if ( $propvalue->getDIType() == SMWDataItem::TYPE_ERROR ) continue;
$properties[$label][$propvalue->getSerialization()] = false;
} else {
$properties[$label][$propvalue->getWikiValue()] = false;
}
}
}
$props = $wom->getObjectsByTypeID( WOM_TYPE_PROPERTY );
foreach ( $props as $prop ) {
$id = $prop->getObjectID();
if ( $id == '' ) continue;
$name = $prop->getPropertyName();
$value = $prop->getPropertyValue();
if ( !isset( $properties[$name][$value] ) ) {
// remove category not match to output
$wom->removePageObject( $id );
} else {
$properties[$name][$value] = true;
}
}
foreach ( $properties as $name => $values ) {
foreach ( $values as $val => $flag ) {
if ( $flag !== true ) {
$p = new WOMPropertyModel( $name, $val );
$p->setObjectID( 'output' . ( $tmp_id ++ ) );
$wom->insertObject( $p );
$wom->addToPageObjectSet( $p );
}
}
}
// fill in ask query results
foreach ( self::$queryProps as $wom_id => $queries ) {
$query_res = new WOMQueryResult();
if ( $wom_id != '' ) {
$parent = $wom->getObject( $wom_id );
} else {
$parent = new WOMParserFunctionModel( 'ask' );
$parent->setObjectID( 'output' . ( $tmp_id ++ ) );
$wom->insertObject( $parent );
$wom->addToPageObjectSet( $parent );
}
$parent->insertObject( $query_res );
$query_res->setObjectID( 'output' . ( $tmp_id ++ ) );
$wom->addToPageObjectSet( $query_res );
foreach ( $queries as $label => $vals ) {
$vals = array_unique( $vals );
foreach ( $vals as $val ) {
$query_res->insertObject( new WOMPropertyModel( $label, $val ) );
}
}
}
// fill in categories
$categories = $title->getParentCategories();
$cates = $wom->getObjectsByTypeID( WOM_TYPE_CATEGORY );
foreach ( $cates as $cate ) {
$id = $cate->getObjectID();
if ( $id == '' ) continue;
$name = Title::newFromText( $cate->getName(), NS_CATEGORY )->getFullText();
if ( !isset( $categories[$name] ) ) {
// remove category not match to output
$wom->removePageObject( $id );
} else {
$categories[$name] = true;
}
}
foreach ( $categories as $cate => $flag ) {
if ( $flag !== true ) {
$c = new WOMCategoryModel( Title::newFromText( $cate )->getText() );
$c->setObjectID( 'output' . ( $tmp_id ++ ) );
$wom->insertObject( $c );
$wom->addToPageObjectSet( $c );
}
}
return $wom;
}
