SemanticMediaWiki/includes/SMW_Factbox.php

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<?php
class SMWFactbox {

        static public function getFactboxText( SMWSemanticData $semdata, $showfactbox = SMW_FACTBOX_NONEMPTY ) {
                global $wgContLang;
                
                wfProfileIn( 'SMWFactbox::printFactbox (SMW)' );
                
                switch ( $showfactbox ) {
                        case SMW_FACTBOX_HIDDEN: // never show
                                wfProfileOut( 'SMWFactbox::printFactbox (SMW)' );
                        return '';
                        case SMW_FACTBOX_SPECIAL: // show only if there are special properties
                                if ( !$semdata->hasVisibleSpecialProperties() ) {
                                        wfProfileOut( 'SMWFactbox::printFactbox (SMW)' );
                                        return '';
                                }
                        break;
                        case SMW_FACTBOX_NONEMPTY: // show only if non-empty
                                if ( !$semdata->hasVisibleProperties() ) {
                                        wfProfileOut( 'SMWFactbox::printFactbox (SMW)' );
                                        return '';
                                }
                        break;
                        // case SMW_FACTBOX_SHOWN: // just show ...
                }

                // actually build the Factbox text:
                $text = '';
                if ( wfRunHooks( 'smwShowFactbox', array( &$text, $semdata ) ) ) {
                        $subjectDv = SMWDataValueFactory::newDataItemValue( $semdata->getSubject(), null );
                        
                        SMWOutputs::requireResource( 'ext.smw.style' );
                        
                        $rdflink = SMWInfolink::newInternalLink(
                                wfMsgForContent( 'smw_viewasrdf' ),
                                $wgContLang->getNsText( NS_SPECIAL ) . ':ExportRDF/' .
                                        $subjectDv->getWikiValue(),
                                'rdflink'
                        );

                        $browselink = SMWInfolink::newBrowsingLink(
                                $subjectDv->getText(),
                                $subjectDv->getWikiValue(),
                                'swmfactboxheadbrowse'
                        );
                        
                        $text .= '<div class="smwfact">' .
                                '<span class="smwfactboxhead">' .
                                wfMsgForContent( 'smw_factbox_head', $browselink->getWikiText() ) . '</span>' .
                                '<span class="smwrdflink">' . $rdflink->getWikiText() . '</span>' .
                                '<table class="smwfacttable">' . "\n";

                        foreach ( $semdata->getProperties() as $propertyDi ) {
                                $propertyDv = SMWDataValueFactory::newDataItemValue( $propertyDi, null );
                                if ( !$propertyDi->isShown() ) { // showing this is not desired, hide
                                        continue;
                                } elseif ( $propertyDi->isUserDefined() ) { // user defined property
                                        $propertyDv->setCaption( preg_replace( '/[ ]/u', '&#160;', $propertyDv->getWikiValue(), 2 ) );
                                        $text .= '<tr><td class="smwpropname">' . $propertyDv->getShortWikiText( true ) . '</td><td class="smwprops">';
                                } elseif ( $propertyDv->isVisible() ) { // predefined property
                                        $text .= '<tr><td class="smwspecname">' . $propertyDv->getShortWikiText( true ) . '</td><td class="smwspecs">';
                                } else { // predefined, internal property
                                        continue;
                                }

                                $propvalues = $semdata->getPropertyValues( $propertyDi );

                                $valuesHtml = array();

                                foreach ( $propvalues as $dataItem ) {
                                        $dataValue = SMWDataValueFactory::newDataItemValue( $dataItem, $propertyDi );

                                        if ( $dataValue->isValid() ) {
                                                $valuesHtml[] = $dataValue->getLongWikiText( true ) .
                                                        $dataValue->getInfolinkText( SMW_OUTPUT_WIKI );
                                        }
                                }

                                $text .= $GLOBALS['wgLang']->listToText( $valuesHtml );

                                $text .= '</td></tr>';
                        }

                        $text .= '</table></div>';
                }

                wfProfileOut( 'SMWFactbox::printFactbox (SMW)' );
                return $text;
        }

        static public function getFactboxTextFromOutput( ParserOutput $parseroutput, Title $title ) {
                global $wgRequest, $smwgShowFactboxEdit, $smwgShowFactbox;
                
                $mws = isset( $parseroutput->mSMWMagicWords ) ? $parseroutput->mSMWMagicWords : array();
                
                if ( in_array( 'SMW_SHOWFACTBOX', $mws ) ) {
                        $showfactbox = SMW_FACTBOX_NONEMPTY;
                } elseif ( in_array( 'SMW_NOFACTBOX', $mws ) ) {
                        $showfactbox = SMW_FACTBOX_HIDDEN;
                } elseif ( $wgRequest->getCheck( 'wpPreview' ) ) {
                        $showfactbox = $smwgShowFactboxEdit;
                } else {
                        $showfactbox = $smwgShowFactbox;
                }
                
                if ( $showfactbox == SMW_FACTBOX_HIDDEN ) { // use shortcut
                        return '';
                }
                
                // Deal with complete dataset only if needed:
                if ( !isset( $parseroutput->mSMWData ) || $parseroutput->mSMWData->stubObject ) {
                        $semdata = smwfGetStore()->getSemanticData( SMWDIWikiPage::newFromTitle( $title ) );
                } else {
                        $semdata = $parseroutput->mSMWData;
                }
                
                return SMWFactbox::getFactboxText( $semdata, $showfactbox );
        }

        static public function onOutputPageParserOutput( OutputPage $outputpage, ParserOutput $parseroutput ) {
                global $wgTitle, $wgParser;
                $factbox = SMWFactbox::getFactboxTextFromOutput( $parseroutput, $wgTitle );
                
                if ( $factbox !== '' ) {
                        $popts = new ParserOptions();
                        $po = $wgParser->parse( $factbox, $wgTitle, $popts );
                        $outputpage->mSMWFactboxText = $po->getText();
                        // do not forget to grab the outputs header items
                        SMWOutputs::requireFromParserOutput( $po );
                        SMWOutputs::commitToOutputPage( $outputpage );
                } // else: nothing shown, don't even set any text
                
                return true;
        }

        static public function onOutputPageBeforeHTML( OutputPage $outputpage, &$text ) {
                if ( isset( $outputpage->mSMWFactboxText ) ) {
                        $text .= $outputpage->mSMWFactboxText;
                }
                return true;
        }

        static public function onSkinAfterContent( &$data, Skin $skin = null ) {
                global $wgOut;
                if ( isset( $wgOut->mSMWFactboxText ) ) {
                        $data .= $wgOut->mSMWFactboxText;
                }
                return true;
        }

}

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