SemanticMediaWiki/includes/parserhooks/SMW_Concept.php

Go to the documentation of this file.

<?php

class SMWConcept {
        
        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( '&gt;', '&lt;' ), 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( '[', '&#x005B;', $concept_text ) . "</pre>\n</div>";

                if ( !is_null( $wgTitle ) && $wgTitle->isSpecialPage() ) {
                        global $wgOut;
                        SMWOutputs::commitToOutputPage( $wgOut );
                }
                else {
                        SMWOutputs::commitToParser( $parser );
                }
                
                return $result;         
        }
        
}

---