SemanticMediaWiki/includes/datavalues/SMW_DV_Import.php

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<?php
class SMWImportValue extends SMWDataValue {

        protected $m_qname = ''; // string provided by user which is used to look up data on Mediawiki:*-Page
        protected $m_uri = ''; // URI of namespace (without local name)
        protected $m_namespace = ''; // namespace id (e.g. "foaf")
        protected $m_section = ''; // local name (e.g. "knows")
        protected $m_name = ''; // wiki name of the vocab (e.g. "Friend of a Friend")l might contain wiki markup

        protected function parseUserValue( $value ) {
                global $wgContLang;

                $this->m_qname = $value;

                list( $onto_ns, $onto_section ) = explode( ':', $this->m_qname, 2 );
                $msglines = preg_split( "([\n][\s]?)", wfMsgForContent( "smw_import_$onto_ns" ) ); // get the definition for "$namespace:$section"

                if ( count( $msglines ) < 2 ) { // error: no elements for this namespace
                        $this->addError( wfMsgForContent( 'smw_unknown_importns', $onto_ns ) );
                        $this->m_dataitem = new SMWDIString( 'ERROR' );
                        return;
                }

                // browse list in smw_import_* for section
                list( $onto_uri, $onto_name ) = explode( '|', array_shift( $msglines ), 2 );
                if ( $onto_uri[0] == ' ' ) $onto_uri = mb_substr( $onto_uri, 1 ); // tolerate initial space

                $this->m_uri = $onto_uri;
                $this->m_namespace = $onto_ns;
                $this->m_section = $onto_section;
                $this->m_name = $onto_name;

                foreach ( $msglines as $msgline ) {
                        list( $secname, $typestring ) = explode( '|', $msgline, 2 );
                        if ( $secname === $onto_section ) {
                                list( $namespace, ) = explode( ':', $typestring, 2 );
                                // check whether type matches
                                switch ( $namespace ) {
                                        case $wgContLang->getNsText( SMW_NS_TYPE ):
                                                $elemtype = SMW_NS_PROPERTY;
                                                break;
                                        case $wgContLang->getNsText( SMW_NS_PROPERTY ):
                                                $elemtype = SMW_NS_PROPERTY;
                                                break;
                                        case $wgContLang->getNsText( NS_CATEGORY ):
                                                $elemtype = NS_CATEGORY;
                                                break;
                                        case $wgContLang->getNsText( SMW_NS_CONCEPT ):
                                                $elemtype = NS_CATEGORY;
                                                break;
                                        default: // match all other namespaces
                                                $elemtype = NS_MAIN;
                                }
                                break;
                        }
                }

                // check whether element of correct type was found (extracts data from factbox)
//              if(SMWParseData::getSMWData($parser) instanceof SMWSemanticData) {
//                      $this_ns = SMWParseData::getSMWData($parser)->getSubject()->getNamespace();
//                      $error = null;
//                      switch ($elemtype) {
//                              case SMW_NS_PROPERTY: case NS_CATEGORY:
//                                      if ($this_ns != $elemtype) {
//                                              $error = wfMsgForContent('smw_nonright_importtype',$value, $wgContLang->getNsText($elemtype));
//                                      }
//                                      break;
//                              case NS_MAIN:
//                                      if ( (SMW_NS_PROPERTY == $this_ns) || (NS_CATEGORY == $this_ns)) {
//                                              $error = wfMsgForContent('smw_wrong_importtype',$value, $wgContLang->getNsText($this_ns));
//                                      }
//                                      break;
//                              case -1:
//                                      $error = wfMsgForContent('smw_no_importelement',$value);
//                      }
//
//                      if (null != $error) {
//                              $this->addError($error);
//                              return;
//                      }
//              }

                try {
                        $this->m_dataitem = new SMWDIString( $this->m_namespace . ' ' . $this->m_section . ' ' . $this->m_uri );
                } catch ( SMWStringLengthException $e ) {
                        $this->addError( wfMsgForContent( 'smw_maxstring', '"' . $this->m_namespace . ' ' . $this->m_section . ' ' . $this->m_uri . '"' ) );
                        $this->m_dataitem = new SMWDIString( 'ERROR' );
                }

                // check whether caption is set, otherwise assign link statement to caption
                if ( $this->m_caption === false ) {
                        $this->m_caption = "[" . $this->m_uri . " " . $this->m_qname . "] (" . $this->m_name . ")";
                }
        }

        protected function loadDataItem( SMWDataItem $dataItem ) {
                if ( $dataItem->getDIType() == SMWDataItem::TYPE_STRING ) {
                        $this->m_dataitem = $dataItem;
                        $parts = explode( ' ', $dataItem->getString(), 3 );
                        if ( count( $parts ) != 3 ) {
                                $this->addError( wfMsgForContent( 'smw_parseerror' ) );
                        } else {
                                $this->m_namespace = $parts[0];
                                $this->m_section = $parts[1];
                                $this->m_uri = $parts[2];
                                $this->m_qname = $this->m_namespace . ':' . $this->m_section;
                                $this->m_caption = "[" . $this->m_uri . " " . $this->m_qname . "] (" . $this->m_name . ")";
                        }
                        return true;
                } else {
                        return false;
                }
        }

        public function getShortWikiText( $linked = null ) {
                return $this->m_caption;
        }

        public function getShortHTMLText( $linker = null ) {
                return htmlspecialchars( $this->m_qname );
        }

        public function getLongWikiText( $linked = null ) {
                if ( !$this->isValid() ) {
                        return $this->getErrorText();
                } else {
                        return "[" . $this->m_uri . " " . $this->m_qname . "] (" . $this->m_name . ")";
                }
        }

        public function getLongHTMLText( $linker = null ) {
                if ( !$this->isValid() ) {
                        return $this->getErrorText();
                } else {
                        return htmlspecialchars( $this->m_qname );
                }
        }

        public function getWikiValue() {
                return $this->m_qname;
        }

        public function getNS() {
                return $this->m_uri;
        }

        public function getNSID() {
                return $this->m_namespace;
        }

        public function getLocalName() {
                return $this->m_section;
        }
}

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