"text", "_num" => "number", "_dat" => "date", "_geo" => "text", "_uri" => "url" ];
protected static $exhibitRunningNumber = 0; // not sufficient since there might be multiple pages rendered within one PHP run; but good enough now
// /overwrite function to allow execution of result printer even if no results are available (in case remote query yields no results in local wiki)
public function getResult( $results, $params, $outputmode ) {
$this->readParameters( $params, $outputmode );
$result = $this->getResultText( $results, $outputmode );
return $result;
}
// /function aligns the format of SMW's property names to Exhibit's format
protected function encodePropertyName( $property ) {
return strtolower( str_replace( " ", "_", trim( $property ) ) );
}
// /Tries to determine the namespace in the event it got lost
protected function determineNamespace( $res ) {
$row = $res->getNext();
if ( $row != null ) {
$tmp = clone $row[0];
$object = $tmp->getNextDataValue();
if ( $object instanceof SMWWikiPageValue ) {
$value = $object->getPrefixedText();
if ( strpos( $value, ':' ) ) {
$value = explode( ':', $value, 2 );
return $value[0] . ':';
}
}
}
return "";
}
protected function getResultText( SMWQueryResult $res, $outputmode ) {
global $smwgIQRunningNumber, $wgScriptPath, $wgGoogleMapsKey, $srfgScriptPath;
if ( defined( 'MW_SUPPORTS_RESOURCE_MODULES' ) ) {
SMWOutputs::requireHeadItem( 'exhibit-compat', Html::linkedScript( "$wgScriptPath/common/wikibits.js" ) );
}
// //////////////////////////////
// ///////REMOTE STUFF///////////
// //////////////////////////////
$remote = false;
// in case the remote parameter is set, a link to the JSON export of the remote wiki is included in the header as data source for Exhibit
// this section creates the link
if ( array_key_exists( 'remote', $this->params ) && srfgExhibitRemote == true ) {
$remote = true;
// fetch interwiki link
$dbr = &wfGetDB( DB_SLAVE );
$cl = $dbr->tableName( 'interwiki' );
$dbres = $dbr->select( $cl, 'iw_url', "iw_prefix='" . $this->params['remote'] . "'", __METHOD__, [] );
$row = $dbr->fetchRow( $dbres );
$extlinkpattern = $row[iw_url];
$dbr->freeResult( $dbres );
$newheader = 'getPrintRequests() as $pr ) {
$colstack[] = $this->encodePropertyName( $pr->getLabel() ) . ':' . ( array_key_exists(
$pr->getTypeID(),
$this->m_types
) ? $this->m_types[$pr->getTypeID()] : 'text' );
}
array_shift( $colstack );
array_unshift( $colstack, 'label' );
if ( SRFExhibit::$exhibitRunningNumber == 0 ) {
$sourcesrc = "var ex_sources = { source" . ( $smwgIQRunningNumber - 1 ) . ": { id: 'querytable" . $smwgIQRunningNumber . "' , columns: '" . implode(
',',
$colstack
) . "'.split(','), hideTable: '1', type: 'Item', label: 'Item', pluralLabel: 'Items' } };";
} else {
$sourcesrc = "sources.source" . $smwgIQRunningNumber . " = { id: 'querytable" . $smwgIQRunningNumber . "' , columns: '" . implode(
',',
$colstack
) . "'.split(','), hideTable: '1', type: 'Item', label: 'Item', pluralLabel: 'Items' };";
}
$sourcesrc = "";
// prepare facets
$facetcounter = 0;
if ( array_key_exists( 'facets', $this->params ) ) {
$facets = explode( ',', $this->params['facets'] );
$facetstack = [];
$params = [ 'height' ];
$facparams = [];
foreach ( $params as $param ) {
if ( array_key_exists( $param, $this->params ) ) {
$facparams[] = 'ex:' . $param . '="' . $this->encodePropertyName( $this->params[$param] ) . '" ';
}
}
foreach ( $facets as $facet ) {
$facet = trim( $facet );
if ( strtolower( $facet ) == "search" ) { // special facet (text search)
$facetstack[] = ' facet' . $facetcounter++ . ': { position : "right", innerHTML: \'ex:role="facet" ex:showMissing="false" ex:facetClass="TextSearch" ex:facetLabel="' . $facet . '"\'}';
} else { // usual facet
foreach ( $res->getPrintRequests() as $pr ) {
if ( $this->encodePropertyName( $pr->getLabel() ) == $this->encodePropertyName( $facet ) ) {
switch ( $pr->getTypeID() ) {
case '_num':
$facetstack[] = ' facet' . $facetcounter++ . ': { position : "right", innerHTML: \'ex:role="facet" ex:showMissing="false" ex:expression=".' . $this->encodePropertyName(
$facet
) . '" ex:facetLabel="' . $facet . '" ex:facetClass="Slider"\'}';
break;
default:
$facetstack[] = ' facet' . $facetcounter++ . ': { position : "right", innerHTML: \'ex:role="facet" ex:showMissing="false" ' . implode(
" ",
$facparams
) . ' ex:expression=".' . $this->encodePropertyName(
$facet
) . '" ex:facetLabel="' . $facet . '"\'}';
}
}
}
}
}
$facetstring = implode( ',', $facetstack );
} else {
$facetstring = '';
}
$facetsrc = "var ex_facets = {" . $facetstring . " };";
// prepare views
$stylesrc = '';
if ( array_key_exists( 'views', $this->params ) ) {
$views = explode( ',', $this->params['views'] );
} else {
$views[] = 'tiles';
}
foreach ( $views as $view ) {
switch ( trim( $view ) ) {
case 'tabular':// table view (the columns are automatically defined by the selected properties)
$thstack = [];
foreach ( $res->getPrintRequests() as $pr ) {
$thstack[] = "." . $this->encodePropertyName( $pr->getLabel() );
}
array_shift( $thstack );
array_unshift( $thstack, '.label' );
$stylesrc = 'var myStyler = function(table, database) {table.className=\'smwtable\';};'; // assign SMWtable CSS to Exhibit tabular view
$viewstack[] = 'ex:role=\'view\' ex:viewClass=\'Tabular\' ex:showSummary=\'false\' ex:sortAscending=\'true\' ex:tableStyler=\'myStyler\' ex:label=\'Table\' ex:columns=\'' . implode(
',',
$thstack
) . '\' ex:sortAscending=\'false\'';
break;
case 'timeline':// timeline view
$timeline = true;
$exparams = [
'start',
'end',
'proxy',
'colorkey' ]; // parameters expecting an Exhibit graph expression
$usparams = [
'timelineheight',
'topbandheight',
'bottombandheight',
'bottombandunit',
'topbandunit' ]; // parametes expecting a textual or numeric value
$tlparams = [];
foreach ( $exparams as $param ) {
if ( array_key_exists( $param, $this->params ) ) {
$tlparams[] = 'ex:' . $param . '=\'.' . $this->encodePropertyName(
$this->params[$param]
) . '\' ';
}
}
foreach ( $usparams as $param ) {
if ( array_key_exists( $param, $this->params ) ) {
$tlparams[] = 'ex:' . $param . '=\'' . $this->encodePropertyName(
$this->params[$param]
) . '\' ';
}
}
if ( !array_key_exists(
'start',
$this->params
) ) {// find out if a start and/or end date is specified
$dates = [];
foreach ( $res->getPrintRequests() as $pr ) {
if ( $pr->getTypeID() == '_dat' ) {
$dates[] = $pr;
if ( sizeof( $dates ) > 2 ) {
break;
}
}
}
if ( sizeof( $dates ) == 1 ) {
$tlparams[] = 'ex:start=\'.' . $this->encodePropertyName( $dates[0]->getLabel() ) . '\' ';
} elseif ( sizeof( $dates ) == 2 ) {
$tlparams[] = 'ex:start=\'.' . $this->encodePropertyName( $dates[0]->getLabel() ) . '\' ';
$tlparams[] = 'ex:end=\'.' . $this->encodePropertyName( $dates[1]->getLabel() ) . '\' ';
}
}
$viewstack[] = 'ex:role=\'view\' ex:viewClass=\'Timeline\' ex:label=\'Timeline\' ex:showSummary=\'false\' ' . implode(
" ",
$tlparams
);
break;
case 'map':// map view
if ( isset( $wgGoogleMapsKey ) ) {
$map = true;
$exparams = [ 'latlng', 'colorkey' ];
$usparams = [
'type',
'center',
'zoom',
'size',
'scalecontrol',
'overviewcontrol',
'mapheight' ];
$mapparams = [];
foreach ( $exparams as $param ) {
if ( array_key_exists( $param, $this->params ) ) {
$mapparams[] = 'ex:' . $param . '=\'.' . $this->encodePropertyName(
$this->params[$param]
) . '\' ';
}
}
foreach ( $usparams as $param ) {
if ( array_key_exists( $param, $this->params ) ) {
$mapparams[] = 'ex:' . $param . '=\'' . $this->encodePropertyName(
$this->params[$param]
) . '\' ';
}
}
if ( !array_key_exists( 'start', $this->params ) && !array_key_exists(
'end',
$this->params
) ) { // find out if a geographic coordinate is available
foreach ( $res->getPrintRequests() as $pr ) {
if ( $pr->getTypeID() == '_geo' ) {
$mapparams[] = 'ex:latlng=\'.' . $this->encodePropertyName(
$pr->getLabel()
) . '\' ';
break;
}
}
}
$viewstack[] .= 'ex:role=\'view\' ex:viewClass=\'Map\' ex:showSummary=\'false\' ex:label=\'Map\' ' . implode(
" ",
$mapparams
);
}
break;
default:
case 'tiles':// tile view
$sortstring = '';
if ( array_key_exists( 'sort', $this->params ) ) {
$sortfields = explode( ",", $this->params['sort'] );
foreach ( $sortfields as $field ) {
$sortkeys[] = "." . $this->encodePropertyName( trim( $field ) );
}
$sortstring = 'ex:orders=\'' . implode( ",", $sortkeys ) . '\' ';
if ( array_key_exists( 'order', $this->params ) ) {
$sortstring .= ' ex:directions=\'' . $this->encodePropertyName(
$this->params['order']
) . '\'';
}
if ( array_key_exists( 'grouped', $this->params ) ) {
$sortstring .= ' ex:grouped=\'' . $this->encodePropertyName(
$this->params['grouped']
) . '\'';
}
}
$viewstack[] = 'ex:role=\'view\' ex:showSummary=\'false\' ' . $sortstring;
break;
}
}
$viewsrc = 'var ex_views = "' . implode( "/", $viewstack ) . '".split(\'/\');;';
// prepare automatic lenses
global $wgParser;
$lenscounter = 0;
$linkcounter = 0;
$imagecounter = 0;
if ( array_key_exists(
'lens',
$this->params
) ) {// a customized lens is specified via the lens parameter within the query
$lenstitle = Title::newFromText( "Template:" . $this->params['lens'] );
$lensarticle = new Article( $lenstitle );
$lenswikitext = $lensarticle->getContent();
if ( preg_match_all(
"/[\[][\[][Ii][m][a][g][e][:][{][{][{][1-9A-z\-[:space:]]*[}][}][}][\]][\]]/u",
$lenswikitext,
$matches
) ) {
foreach ( $matches as $match ) {
foreach ( $match as $value ) {
$strippedvalue = trim( substr( $value, 8 ), "[[{}]]" );
$lenswikitext = str_replace(
$value,
'' . $this->encodePropertyName(
strtolower( str_replace( "\n", "", $strippedvalue ) )
) . '
',
$lenswikitext
);
$imagecounter++;
}
}
}
if ( preg_match_all(
"/[\[][\[][{][{][{][1-9A-z\-[:space:]]*[}][}][}][\]][\]]/u",
$lenswikitext,
$matches
) ) {
foreach ( $matches as $match ) {
foreach ( $match as $value ) {
$strippedvalue = trim( $value, "[[{}]]" );
$lenswikitext = str_replace(
$value,
'' . $this->encodePropertyName(
strtolower( str_replace( "\n", "", $strippedvalue ) )
) . '
',
$lenswikitext
);
$linkcounter++;
}
}
}
if ( preg_match_all( "/[{][{][{][1-9A-z\:\|\/\=\-[:space:]]*[}][}][}]/u", $lenswikitext, $matches ) ) {
foreach ( $matches as $match ) {
foreach ( $match as $value ) {
$strippedvalue = trim( $value, "{}" );
$lenswikitext = str_replace(
$value,
'' . $this->encodePropertyName(
strtolower( str_replace( "\n", "", $strippedvalue ) )
) . '
',
$lenswikitext
);
$lenscounter++;
}
}
}
$lenshtml = $wgParser->internalParse(
$lenswikitext
);// $wgParser->parse($lenswikitext, $lenstitle, new ParserOptions(), true, true)->getText();
$lenssrc = "var ex_lens = '" . str_replace(
"\n",
"",
$lenshtml
) . "';ex_lenscounter =" . $lenscounter . ";ex_linkcounter=" . $linkcounter . ";ex_imagecounter=" . $imagecounter . ";";
} else {// generic lens (creates links to further content (property-pages, pages about values)
foreach ( $res->getPrintRequests() as $pr ) {
if ( $remote ) {
$wikiurl = str_replace( "$1", "", $extlinkpattern );
} else {
$wikiurl = $wgScriptPath . "/index.php?title=";
}
if ( $pr->getTypeID() == '_wpg' ) {
$prefix = '';
if ( $pr->getLabel() == 'Category' ) {
$prefix = "Category:";
}
$lensstack[] = '| ' . $pr->getText(
0,
$this->mLinker
) . ' | |
';
} else {
$lensstack[] = '| ' . $pr->getText(
0,
$this->mLinker
) . ' | |
';
}
}
array_shift( $lensstack );
$lenssrc = 'var ex_lens = \'' . implode(
"",
$lensstack
) . '
\'; ex_lenscounter = 0; ex_linkcounter=0; ex_imagecounter=0;';
}
if ( $remote ) {
$varremote = 'true';
} else {
$varremote = 'false';
}
// Handling special formats like date
$formatssrc = 'var formats =\'\'';
if ( array_key_exists( 'date', $this->params ) ) {
$formatssrc = 'var formats = \'ex:formats="date { mode:' . $this->params['date'] . '; show:date }"\';';
}
// create a URL pointing to the corresponding JSON feed
$label = '';
$JSONlink = $res->getQueryLink( $label );
if ( $this->getSearchLabel( SMW_OUTPUT_WIKI ) != '' ) { // used as a file name
$link->setParameter( $this->getSearchLabel( SMW_OUTPUT_WIKI ), 'searchlabel' );
}
if ( array_key_exists( 'limit', $this->params ) ) {
$JSONlink->setParameter( htmlspecialchars( $this->params['limit'] ), 'limit' );
}
$JSONlink->setParameter( 'json', 'format' );
$stringtoedit = explode( "|", $JSONlink->getText( $outputmode, $this->mLinker ) );
$stringtoedit = substr( $stringtoedit[0], 3 );
$JSONlinksrc = "var JSONlink = '" . $stringtoedit . "';";
// create script header with variables containing the Exhibit markup
$headervars = "";
// To run Exhibit some links to the scripts of the API need to be included in the header
$ExhibitScriptSrc1 = '';
$ExhibitScriptSrc2 = '';
$CSSSrc = '';
SMWOutputs::requireHeadItem( 'CSS', $CSSSrc ); // include CSS
SMWOutputs::requireHeadItem( 'EXHIBIT1', $ExhibitScriptSrc1 ); // include Exhibit API
SMWOutputs::requireHeadItem(
'EXHIBIT2',
$ExhibitScriptSrc2
); // includes javascript overwriting the Exhibit start-up functions
SMWOutputs::requireHeadItem( 'SOURCES' . $smwgIQRunningNumber, $sourcesrc );// include sources variable
SMWOutputs::requireHeadItem( 'VIEWSFACETS', $headervars );// include views and facets variable
if ( !$remote ) {
// print input table
// print header
$result = "\n";
if ( $this->mShowHeaders ) { // building headers
$result .= "\t\n";
foreach ( $res->getPrintRequests() as $pr ) {
if ( $pr->getText( $outputmode, $this->getLinker( 0 ) ) == '' ) {
$headerlabel = "Name";
} else {
$headerlabel = $pr->getText( $outputmode, $this->getLinker( 0 ) );
}
$result .= "\t\t| " . $headerlabel . " | \n";
}
$result .= "\t
\n";
}
// print all result rows
while ( $row = $res->getNext() ) {
$result .= "\t\n";
foreach ( $row as $field ) {
$result .= "\t\t| ";
$textstack = [];
while ( ( $object = $field->getNextDataValue() ) !== false ) {
switch ( $object->getTypeID() ) {
case '_wpg':
$textstack[] = $object->getLongText( $outputmode, $this->getLinker( 0 ) );
break;
case '_geo':
$c = $object->getDBKeys();
$textstack[] = $c[0] . "," . $c[1];
break;
case '_num':
if ( method_exists( $object, 'getValueKey' ) ) {
$textstack[] = $object->getValueKey( $outputmode, $this->getLinker( 0 ) );
} else {
$textstack[] = $object->getNumericValue( $outputmode, $this->getLinker( 0 ) );
}
break;
case '_dat':
$textstack[] = $object->getYear() . "-" . str_pad(
$object->getMonth(),
2,
'0',
STR_PAD_LEFT
) . "-" . str_pad(
$object->getDay(),
2,
'0',
STR_PAD_LEFT
) . " " . $object->getTimeString();
break;
case '_ema':
$textstack[] = $object->getShortWikiText( $this->getLinker( 0 ) );
break;
case '_tel':
case '_anu':
case '_uri':
$textstack[] = $object->getWikiValue();
break;
case '__sin':
$tmp = $object->getShortText( $outputmode, null );
if ( strpos( $tmp, ":" ) ) {
$tmp = explode( ":", $tmp, 2 );
$tmp = $tmp[1];
}
$textstack[] = $tmp;
break;
case '_txt':
case '_cod':
case '_str':
$textstack[] = $object->getWikiValue();
break;
default:
$textstack[] = $object->getLongHTMLText( $this->getLinker( 0 ) );
}
}
if ( $textstack != null ) {
$result .= implode( ';', $textstack ) . " | \n";
} else {
$result .= "\n";
}
}
$result .= "\t
\n";
}
$result .= "
\n";
}
if ( SRFExhibit::$exhibitRunningNumber == 0 ) {
$result .= "";
} // print placeholder (just print it one time)
$this->isHTML = ( $outputmode == SMW_OUTPUT_HTML ); // yes, our code can be viewed as HTML if requested, no more parsing needed
SRFExhibit::$exhibitRunningNumber++;
return $result;
}
/**
* @see SMWResultPrinter::getParamDefinitions
*
* @since 1.8
*
* @param $definitions array of IParamDefinition
*
* @return array of IParamDefinition|array
*/
public function getParamDefinitions( array $definitions ) {
$params = parent::getParamDefinitions( $definitions );
$params[] = [
'name' => 'views',
'message' => 'srf_paramdesc_views',
'islist' => true,
'values' => [ 'tiles', 'tabular', 'timeline', 'maps' ] ];
$params[] = [ 'name' => 'facets', 'message' => 'srf_paramdesc_facets' ];
$params[] = [ 'name' => 'lens', 'message' => 'srf_paramdesc_lens' ];
return $params;
}
}