SemanticMediaWiki/includes/queryprinters/SMW_QP_Table.php

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<?php

class SMWTableResultPrinter extends SMWResultPrinter {

        protected $mHTMLClass = '';

        public function getName() {
                return wfMsg( 'smw_printername_' . $this->mFormat );
        }

        protected function handleParameters( array $params, $outputmode ) {
                parent::handleParameters( $params, $outputmode );
                $this->mHTMLClass = $params['class'];
        }

        protected function getResultText( SMWQueryResult $res, $outputmode ) {
                $result = '';
                
                $columnClasses = array();
                
                if ( $this->mShowHeaders != SMW_HEADERS_HIDE ) { // building headers
                        $headers = array();
                        
                        foreach ( $res->getPrintRequests() as /* SMWPrintRequest */ $pr ) {
                                $attribs = array();
                                $columnClass = str_replace( array( ' ', '_' ), '-', $pr->getText( SMW_OUTPUT_WIKI ) );
                                $attribs['class'] = $columnClass;
                                // Also add this to the array of classes, for
                                // use in displaying each row.
                                $columnClasses[] = $columnClass;
                                $text = $pr->getText( $outputmode, ( $this->mShowHeaders == SMW_HEADERS_PLAIN ? null : $this->mLinker ) );
                                
                                $headers[] = Html::rawElement(
                                        'th',
                                        $attribs,
                                        $text === '' ? '&nbsp;' : $text
                                );
                        }
                        
                        $headers = '<tr>' . implode( "\n", $headers ) . '</tr>';
                        
                        if ( $outputmode == SMW_OUTPUT_HTML ) {
                                $headers = '<thead>' . $headers . '</thead>'; 
                        }
                        $headers = "\n$headers\n";

                        $result .= $headers;
                }
                
                $tableRows = array();
                $rowNum = 1;
                while ( $subject = $res->getNext() ) {
                        $tableRows[] = $this->getRowForSubject( $subject, $outputmode, $columnClasses, $rowNum++ );
                }

                $tableRows = implode( "\n", $tableRows );
                
                if ( $outputmode == SMW_OUTPUT_HTML ) {
                        $tableRows = '<tbody>' . $tableRows . '</tbody>'; 
                }
                
                $result .= $tableRows;
                
                // print further results footer
                if ( $this->linkFurtherResults( $res ) ) {
                        $link = $res->getQueryLink();
                        if ( $this->getSearchLabel( $outputmode ) ) {
                                $link->setCaption( $this->getSearchLabel( $outputmode ) );
                        }
                        $result .= "\t<tr class=\"smwfooter\"><td class=\"sortbottom\" colspan=\"" . $res->getColumnCount() . '"> ' . $link->getText( $outputmode, $this->mLinker ) . "</td></tr>\n";
                }
                
                // Put the <table> tag around the whole thing
                $tableAttrs = array( 'class' => $this->mHTMLClass );
                
                if ( $this->mFormat == 'broadtable' ) {
                        $tableAttrs['width'] = '100%';
                }
                
                $result = Xml::tags( 'table', $tableAttrs, $result );

                $this->isHTML = ( $outputmode == SMW_OUTPUT_HTML ); // yes, our code can be viewed as HTML if requested, no more parsing needed
                
                return $result;
        }

        protected function getRowForSubject( array /* of SMWResultArray */ $subject, $outputmode, $columnClasses, $rowNum ) {
                $cells = array();
                
                foreach ( $subject as $i => $field ) {
                        // $columnClasses will be empty if "headers=hide"
                        // was set.
                        if ( array_key_exists( $i, $columnClasses ) ) {
                                $columnClass = $columnClasses[$i];
                        } else {
                                $columnClass = null;
                        }
                        $cells[] = $this->getCellForPropVals( $field, $outputmode, $columnClass );
                }
                
                $rowClass = ( $rowNum % 2 == 1 ) ? 'row-odd' : 'row-even';
                return "<tr class=\"$rowClass\">\n\t" . implode( "\n\t", $cells ) . "\n</tr>";
        }
        
        protected function getCellForPropVals( SMWResultArray $resultArray, $outputmode, $columnClass ) {
                $dataValues = array();
                
                while ( ( $dv = $resultArray->getNextDataValue() ) !== false ) {
                        $dataValues[] = $dv;
                }
                
                $attribs = array();
                $content = null;
                
                if ( count( $dataValues ) > 0 ) {
                        $sortkey = $dataValues[0]->getDataItem()->getSortKey();
                        
                        if ( is_numeric( $sortkey ) ) {
                                $attribs['data-sort-value'] = $sortkey;
                        }
                        
                        $alignment = trim( $resultArray->getPrintRequest()->getParameter( 'align' ) );
                
                        if ( in_array( $alignment, array( 'right', 'left', 'center' ) ) ) {
                                $attribs['style'] = "text-align:' . $alignment . ';";
                        }
                        $attribs['class'] = $columnClass;

                        $content = $this->getCellContent(
                                $dataValues,
                                $outputmode,
                                $resultArray->getPrintRequest()->getMode() == SMWPrintRequest::PRINT_THIS
                        );
                }
                
                return Html::rawElement(
                        'td',
                        $attribs,
                        $content
                );
        }
        
        protected function getCellContent( array /* of SMWDataValue */ $dataValues, $outputmode, $isSubject ) {
                $values = array();
                
                foreach ( $dataValues as $dv ) {
                        $value = $dv->getShortText( $outputmode, $this->getLinker( $isSubject ) );
                        $values[] = $value;
                }
                
                return implode( '<br />', $values );
        }
        
        public function getParameters() {
                $params = array_merge( parent::getParameters(), parent::textDisplayParameters() );
                
                $params['class'] = new Parameter( 'class', Parameter::TYPE_STRING );
                $params['class']->setMessage( 'smw-paramdesc-table-class' );
                $params['class']->setDefault( 'sortable wikitable smwtable' );
                
                return $params;
        }
        
}

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