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<?php |
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/** |
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* Print query results in interactive timelines. |
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* |
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* @file SRF_Timeline.php |
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* @ingroup SemanticResultFormats |
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* |
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* @author Markus Krötzsch |
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* |
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* FIXME: this code is just insane; rewrite from 0 is probably the only way to get it right |
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*/ |
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/** |
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* Result printer for timeline data. |
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* @ingroup SemanticResultFormats |
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*/ |
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class SRFTimeline extends SMWResultPrinter { |
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protected $m_tlstart = ''; // name of the start-date property if any |
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protected $m_tlend = ''; // name of the end-date property if any |
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protected $m_tlsize = ''; // CSS-compatible size (such as 400px) |
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protected $m_tlbands = ''; // array of band IDs (MONTH, YEAR, ...) |
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protected $m_tlpos = ''; // position identifier (start, end, today, middle) |
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protected $mTemplate; |
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protected $mNamedArgs; |
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/** |
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* @see SMWResultPrinter::handleParameters |
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* |
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* @since 1.6.3 |
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* |
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* @param array $params |
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* @param $outputmode |
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*/ |
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protected function handleParameters( array $params, $outputmode ) { |
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parent::handleParameters( $params, $outputmode ); |
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$this->mTemplate = trim( $params['template'] ); |
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$this->mNamedArgs = $params['named args']; |
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$this->m_tlstart = smwfNormalTitleDBKey( $params['timelinestart'] ); |
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$this->m_tlend = smwfNormalTitleDBKey( $params['timelineend'] ); |
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$this->m_tlbands = $params['timelinebands']; |
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$this->m_tlpos = strtolower( trim( $params['timelineposition'] ) ); |
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// str_replace makes sure this is only one value, not mutliple CSS fields (prevent CSS attacks) |
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// / FIXME: this is either unsafe or redundant, since Timeline is Wiki-compatible. If the JavaScript makes user inputs to CSS then it is bad even if we block this injection path. |
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$this->m_tlsize = htmlspecialchars( str_replace( ';', ' ', strtolower( $params['timelinesize'] ) ) ); |
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} |
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public function getName() { |
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// Give grep a chance to find the usages: |
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// srf_printername_timeline, srf_printername_eventline |
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return wfMessage( 'srf_printername_' . $this->mFormat )->text(); |
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} |
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protected function getResultText( SMWQueryResult $res, $outputmode ) { |
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SMWOutputs::requireHeadItem( SMW_HEADER_STYLE ); |
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SMWOutputs::requireResource( 'ext.srf.timeline' ); |
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$isEventline = 'eventline' == $this->mFormat; |
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$id = uniqid(); |
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if ( !$isEventline && ( $this->m_tlstart == '' ) ) { // seek defaults |
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foreach ( $res->getPrintRequests() as $pr ) { |
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if ( ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && ( $pr->getTypeID() == '_dat' ) ) { |
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$dataValue = $pr->getData(); |
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$date_value = $dataValue->getDataItem()->getLabel(); |
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if ( ( $this->m_tlend == '' ) && ( $this->m_tlstart != '' ) && |
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( $this->m_tlstart != $date_value ) ) { |
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$this->m_tlend = $date_value; |
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} elseif ( ( $this->m_tlstart == '' ) && ( $this->m_tlend != $date_value ) ) { |
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$this->m_tlstart = $date_value; |
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} |
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} |
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} |
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} |
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// print header |
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$result = "<div id=\"smwtimeline-$id\" class=\"smwtimeline is-disabled\" style=\"height: $this->m_tlsize\">"; |
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$result .= '<span class="smw-overlay-spinner medium" style="top:40%; transform: translate(-50%, -50%);"></span>'; |
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foreach ( $this->m_tlbands as $band ) { |
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$result .= '<span class="smwtlband" style="display:none;">' . htmlspecialchars( $band ) . '</span>'; |
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// just print any "band" given, the JavaScript will figure out what to make of it |
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} |
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// print all result rows |
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if ( ( $this->m_tlstart != '' ) || $isEventline ) { |
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$result .= $this->getEventsHTML( $res, $outputmode, $isEventline ); |
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} |
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// no further results displayed ... |
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// print footer |
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$result .= '</div>'; |
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// yes, our code can be viewed as HTML if requested, no more parsing needed |
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$this->isHTML = $outputmode == SMW_OUTPUT_HTML; |
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return $result; |
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} |
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/** |
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* Returns the HTML for the events. |
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* |
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* @since 1.5.3 |
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* |
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* @param SMWQueryResult $res |
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* @param $outputmode |
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* @param boolean $isEventline |
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* |
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* @return string |
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*/ |
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protected function getEventsHTML( SMWQueryResult $res, $outputmode, $isEventline ) { |
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global $curarticle, $cururl; // why not, code flow has reached max insanity already |
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$positions = []; // possible positions, collected to select one for centering |
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$curcolor = 0; // color cycling is used for eventline |
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$result = ''; |
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$output = false; // true if output for the popup was given on current line |
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if ( $isEventline ) $events = []; // array of events that are to be printed |
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while ( $row = $res->getNext() ) { // Loop over the objcts (pages) |
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$hastime = false; // true as soon as some startdate value was found |
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$hastitle = false; // true as soon as some label for the event was found |
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$curdata = ''; // current *inner* print data (within some event span) |
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$curmeta = ''; // current event meta data |
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$cururl = ''; |
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$curarticle = ''; // label of current article, if it was found; needed only for eventline labeling |
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$first_col = true; |
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if ( $this->mTemplate != '' ) { |
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$this->hasTemplates = true; |
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$template_text = ''; |
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$wikitext = ''; |
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$i = 0; |
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} |
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foreach ( $row as $field ) { // Loop over the returned properties |
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$first_value = true; |
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$pr = $field->getPrintRequest(); |
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$dataValue = $pr->getData(); |
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if ( $dataValue == '' ) { |
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$date_value = null; |
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} |
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else { |
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$date_value = $dataValue->getDataItem()->getLabel(); |
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} |
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while ( ( $object = $field->getNextDataValue() ) !== false ) { // Loop over property values |
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$event = $this->handlePropertyValue( |
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$object, $outputmode, $pr, $first_col, $hastitle, $hastime, |
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$first_value, $isEventline, $curmeta, $curdata, $date_value, $output, $positions |
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); |
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if ( $this->mTemplate != '') |
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{ |
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$template_text .= '|' . ( $this->mNamedArgs ? '?' . $field->getPrintRequest()->getLabel() : $i + 1 ) . '='; |
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if ( !$first_value ) { |
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$template_text .= ', '; |
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} |
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$template_text .= $object->getShortText( SMW_OUTPUT_WIKI, $this->getLinker( $first_value ) ); |
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$i++; |
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} |
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if ( $event !== false ) { |
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$events[] = $event; |
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} |
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$first_value = false; |
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} |
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if ( $output ) { |
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$curdata .= '<br />'; |
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} |
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$output = false; |
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$first_col = false; |
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} |
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if ( $this->mTemplate != '') |
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{ |
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$curdata = '{{' . $this->mTemplate . $template_text . '}}'; |
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} |
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if ( $hastime ) { |
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$result .= Html::rawElement( |
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'span', |
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[ 'class' => 'smwtlevent', 'style' => 'display:none;' ], |
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$curmeta . Html::element( |
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'span', |
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[ 'class' => 'smwtlcoloricon' ], |
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$curcolor |
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) . $curdata |
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); |
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} |
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if ( $isEventline ) { |
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foreach ( $events as $event ) { |
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$result .= '<span class="smwtlevent" style="display:none;" ><span class="smwtlstart">' . $event[0] . '</span><span class="smwtlurl">' . str_replace( ' ', '_', $curarticle ) . '</span><span class="smwtlcoloricon">' . $curcolor . '</span>'; |
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if ( $curarticle != '' ) $result .= '<span class="smwtlprefix">' . $curarticle . ' </span>'; |
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$result .= $curdata . '</span>'; |
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$positions[$event[2]] = $event[0]; |
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} |
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$events = []; |
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$curcolor = ( $curcolor + 1 ) % 10; |
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} |
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} |
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if ( count( $positions ) > 0 ) { |
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ksort( $positions ); |
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$positions = array_values( $positions ); |
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switch ( $this->m_tlpos ) { |
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case 'start': |
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$result .= '<span class="smwtlposition" style="display:none;" >' . $positions[0] . '</span>'; |
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break; |
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case 'end': |
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$result .= '<span class="smwtlposition" style="display:none;" >' . $positions[count( $positions ) - 1] . '</span>'; |
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break; |
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case 'today': break; // default |
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case 'middle': default: |
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$result .= '<span class="smwtlposition" style="display:none;" >' . $positions[ceil( count( $positions ) / 2 ) - 1] . '</span>'; |
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break; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Hanldes a single property value. Returns an array with data for a single event or false. |
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* |
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* FIXME: 13 arguments, of which a whole bunch are byref... not a good design :) |
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* |
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* @since 1.5.3 |
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* |
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* @param SMWDataValue $object |
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* @param $outputmode |
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* @param SMWPrintRequest $pr |
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* @param boolean $first_col |
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* @param boolean &$hastitle |
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* @param boolean &$hastime |
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* @param boolean $first_value |
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* @param boolean $isEventline |
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* @param string &$curmeta |
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* @param string &$curdata |
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* @param &$date_value |
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* @param boolean &$output |
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* @param array &$positions |
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* |
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* @return false or array |
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*/ |
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protected function handlePropertyValue( SMWDataValue $object, $outputmode, SMWPrintRequest $pr, $first_col, |
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&$hastitle, &$hastime, $first_value, $isEventline, &$curmeta, &$curdata, $date_value, &$output, array &$positions ) { |
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global $curarticle, $cururl; |
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263
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$event = false; |
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$l = $this->getLinker( $first_col ); |
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if ( !$hastitle && $object->getTypeID() != '_wpg' ) { // "linking" non-pages in title positions confuses timeline scripts, don't try this |
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$l = null; |
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} |
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271
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if ( $object->getTypeID() == '_wpg' ) { // use shorter "LongText" for wikipage |
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$objectlabel = $object->getLongText( $outputmode, $l ); |
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} else { |
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$objectlabel = $object->getShortText( $outputmode, $l ); |
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} |
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$urlobject = ( $l !== null ); |
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$header = ''; |
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if ( $first_value ) { |
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// find header for current value: |
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if ( $this->mShowHeaders && ( '' != $pr->getLabel() ) ) { |
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$header = $pr->getText( $outputmode, $this->mLinker ) . ': '; |
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} |
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286
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// is this a start date? |
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if ( ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && |
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( $date_value == $this->m_tlstart ) ) { |
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289
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// FIXME: Timeline scripts should support XSD format explicitly. They |
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290
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// currently seem to implement iso8601 which deviates from XSD in cases. |
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// NOTE: We can assume $object to be an SMWDataValue in this case. |
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292
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$curmeta .= Html::element( |
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293
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'span', |
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[ 'class' => 'smwtlstart' ], |
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$object->getXMLSchemaDate() |
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296
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); |
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297
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$positions[$object->getHash()] = $object->getXMLSchemaDate(); |
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|
|
|
298
|
|
|
$hastime = true; |
|
299
|
|
|
} |
|
300
|
|
|
|
|
301
|
|
|
// is this the end date? |
|
302
|
|
|
if ( ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && |
|
303
|
|
|
( $date_value == $this->m_tlend ) ) { |
|
304
|
|
|
// NOTE: We can assume $object to be an SMWDataValue in this case. |
|
305
|
|
|
$curmeta .= Html::element( |
|
306
|
|
|
'span', |
|
307
|
|
|
[ 'class' => 'smwtlend' ], |
|
308
|
|
|
$object->getXMLSchemaDate( false ) |
|
|
|
|
|
|
309
|
|
|
); |
|
310
|
|
|
} |
|
311
|
|
|
|
|
312
|
|
|
// find title for displaying event |
|
313
|
|
|
if ( !$hastitle ) { |
|
314
|
|
|
$curmeta .= Html::element( |
|
315
|
|
|
'span', |
|
316
|
|
|
[ |
|
317
|
|
|
'class' => $urlobject ? 'smwtlurl' : 'smwtltitle' |
|
318
|
|
|
], |
|
319
|
|
|
$objectlabel |
|
320
|
|
|
); |
|
321
|
|
|
|
|
322
|
|
|
if ( $pr->getMode() == SMWPrintRequest::PRINT_THIS ) { |
|
323
|
|
|
$curarticle = $object->getShortText( $outputmode, false ); |
|
324
|
|
|
$cururl = $object->getTitle()->getFullUrl(); |
|
|
|
|
|
|
325
|
|
|
} |
|
326
|
|
|
|
|
327
|
|
|
// NOTE: type Title of $object implied |
|
328
|
|
|
$hastitle = true; |
|
329
|
|
|
} |
|
330
|
|
|
} elseif ( $output ) { |
|
331
|
|
|
// it *can* happen that output is false here, if the subject was not printed (fixed subject query) and mutliple items appear in the first row |
|
332
|
|
|
$curdata .= ', '; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
if ( !$first_col || !$first_value || $isEventline ) { |
|
336
|
|
|
$curdata .= $header . $objectlabel; |
|
337
|
|
|
$output = true; |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
if ( $isEventline && ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && ( $pr->getTypeID() == '_dat' ) && ( '' != $pr->getLabel() ) && ( $date_value != $this->m_tlstart ) && ( $date_value != $this->m_tlend ) ) { |
|
341
|
|
|
$event = [ |
|
342
|
|
|
$object->getXMLSchemaDate(), |
|
|
|
|
|
|
343
|
|
|
$pr->getLabel(), |
|
344
|
|
|
$object->getDataItem()->getSortKey(), |
|
345
|
|
|
]; |
|
346
|
|
|
} |
|
347
|
|
|
|
|
348
|
|
|
return $event; |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* @see SMWResultPrinter::getParamDefinitions |
|
353
|
|
|
* |
|
354
|
|
|
* @since 1.8 |
|
355
|
|
|
* |
|
356
|
|
|
* @param $definitions array of IParamDefinition |
|
357
|
|
|
* |
|
358
|
|
|
* @return array of IParamDefinition|array |
|
359
|
|
|
*/ |
|
360
|
|
|
public function getParamDefinitions( array $definitions ) { |
|
361
|
|
|
$params = parent::getParamDefinitions( $definitions ); |
|
362
|
|
|
|
|
363
|
|
|
$params['timelinesize'] = [ |
|
364
|
|
|
'default' => '300px', |
|
365
|
|
|
'message' => 'srf_paramdesc_timelinesize', |
|
366
|
|
|
]; |
|
367
|
|
|
|
|
368
|
|
|
$params['timelineposition'] = [ |
|
369
|
|
|
'default' => 'middle', |
|
370
|
|
|
'message' => 'srf_paramdesc_timelineposition', |
|
371
|
|
|
'values' => [ 'start', 'middle', 'end', 'today' ], |
|
372
|
|
|
]; |
|
373
|
|
|
|
|
374
|
|
|
$params['timelinestart'] = [ |
|
375
|
|
|
'default' => '', |
|
376
|
|
|
'message' => 'srf_paramdesc_timelinestart', |
|
377
|
|
|
]; |
|
378
|
|
|
|
|
379
|
|
|
$params['timelineend'] = [ |
|
380
|
|
|
'default' => '', |
|
381
|
|
|
'message' => 'srf_paramdesc_timelineend', |
|
382
|
|
|
]; |
|
383
|
|
|
|
|
384
|
|
|
$params['timelinebands'] = [ |
|
385
|
|
|
'islist' => true, |
|
386
|
|
|
'default' => [ 'MONTH', 'YEAR' ], |
|
387
|
|
|
'message' => 'srf_paramdesc_timelinebands', |
|
388
|
|
|
'values' => [ 'MINUTE', 'HOUR', 'DAY', 'WEEK', 'MONTH', 'YEAR', 'DECADE' ], |
|
389
|
|
|
]; |
|
390
|
|
|
|
|
391
|
|
|
$params['template'] = [ |
|
392
|
|
|
'message' => 'smw-paramdesc-template', |
|
393
|
|
|
'default' => '', |
|
394
|
|
|
]; |
|
395
|
|
|
|
|
396
|
|
|
$params['named args'] = [ |
|
397
|
|
|
'type' => 'boolean', |
|
398
|
|
|
'message' => 'smw-paramdesc-named_args', |
|
399
|
|
|
'default' => false, |
|
400
|
|
|
]; |
|
401
|
|
|
|
|
402
|
|
|
|
|
403
|
|
|
return $params; |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
} |
|
407
|
|
|
|
SemanticMediaWiki /
SemanticResultFormats
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