SemanticMaps/includes/queryprinters/SM_KMLPrinter.php

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<?php

class SMKMLPrinter extends SMWResultPrinter {
        public function __construct( $format, $inline ) {
                parent::__construct( $format, $inline );
        }

        public function getResultText( SMWQueryResult $res, $outputmode ) {
                if ( $outputmode == SMW_OUTPUT_FILE ) {
                        return $this->getKML( $res, $outputmode );
                }
                else {
                        return $this->getLink( $res, $outputmode );
                }
        }

        protected function handleParameters( array $params, $outputmode ) {
                $this->params = $params;
        }

        public function getParameters() {
                global $egMapsDefaultLabel, $egMapsDefaultTitle;

                $params = array_merge( parent::getParameters(), $this->exportFormatParameters() );

                $params['text'] = new Parameter( 'text', Parameter::TYPE_STRING, $egMapsDefaultLabel );
                $params['text']->setMessage( 'semanticmaps-kml-text' );

                $params['title'] = new Parameter( 'title', Parameter::TYPE_STRING, $egMapsDefaultTitle );
                $params['title']->setMessage( 'semanticmaps-kml-title' );

                $params['linkabsolute'] = new Parameter( 'linkabsolute', Parameter::TYPE_BOOLEAN, true );
                $params['linkabsolute']->setMessage( 'semanticmaps-kml-linkabsolute' );

                $params['pagelinktext'] = new Parameter( 'pagelinktext', Parameter::TYPE_STRING, wfMsg( 'semanticmaps-default-kml-pagelink' ) );
                $params['pagelinktext']->setMessage( 'semanticmaps-kml-pagelinktext' );
                
                return $params;
        }

        protected function getKML( SMWQueryResult $res, $outputmode ) {
                $queryHandler = new SMQueryHandler( $res, $outputmode, $this->params['linkabsolute'], $this->params['pagelinktext'], false );
                $queryHandler->setText( $this->params['text'] );
                $queryHandler->setTitle( $this->params['title'] );
                $queryHandler->setSubjectSeparator( '' );

                $formatter = new MapsKMLFormatter( $this->params );
                $formatter->addPlacemarks( $queryHandler->getLocations() );

                return $formatter->getKML();
        }

        protected function getLink( SMWQueryResult $res, $outputmode ) {
                $searchLabel = $this->getSearchLabel( $outputmode );
                $link = $res->getQueryLink( $searchLabel ? $searchLabel : wfMsgForContent( 'semanticmaps-kml-link' ) );
                $link->setParameter( 'kml', 'format' );
                $link->setParameter( $this->params['linkabsolute'] ? 'yes' : 'no', 'linkabsolute' );
                $link->setParameter( $this->params['pagelinktext'], 'pagelinktext' );
                
                if ( $this->params['title'] !== '' ) {
                        $link->setParameter( $this->params['title'], 'title' );
                }
                
                if ( $this->params['text'] !== '' ) {
                        $link->setParameter( $this->params['text'], 'text' );
                }

                if ( array_key_exists( 'limit', $this->params ) ) {
                        $link->setParameter( $this->params['limit'], 'limit' );
                } else { // Use a reasonable default limit.
                        $link->setParameter( 20, 'limit' );
                }

                $this->isHTML = ( $outputmode == SMW_OUTPUT_HTML );

                return $link->getText( $outputmode, $this->mLinker );
        }

        public function getMimeType( $res ) {
                return 'application/vnd.google-earth.kml+xml';
        }

        public function getFileName( $res ) {
                // @TODO FIXME
                return 'kml.kml';
        }

        public final function getName() {
                return wfMsg( 'semanticmaps-kml' );
        }
}

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