/** * Load results of the given print request and result subject. This is only * done when needed. */ protected function loadContent() { if ($this->mContent !== false) { return; } wfProfileIn('SMWQueryResult::loadContent (SMW)'); switch ($this->mPrintRequest->getMode()) { case SMWPrintRequest::PRINT_THIS: // NOTE: The limit is ignored here. $this->mContent = array($this->mResult); break; case SMWPrintRequest::PRINT_CATS: // Always recompute cache here to ensure output format is respected. self::$catCache = $this->mStore->getPropertyValues($this->mResult, new SMWDIProperty('_INST'), $this->getRequestOptions(false)); self::$catCacheObj = $this->mResult->getHash(); $limit = $this->mPrintRequest->getParameter('limit'); $this->mContent = $limit === false ? self::$catCache : array_slice(self::$catCache, 0, $limit); break; case SMWPrintRequest::PRINT_PROP: $propertyValue = $this->mPrintRequest->getData(); if ($propertyValue->isValid()) { $this->mContent = $this->mStore->getPropertyValues($this->mResult, $propertyValue->getDataItem(), $this->getRequestOptions()); } else { $this->mContent = array(); } // Print one component of a multi-valued string. // Known limitation: the printrequest still is of type _rec, so if printers check // for this then they will not recognize that it returns some more concrete type. if ($this->mPrintRequest->getTypeID() == '_rec' && $this->mPrintRequest->getParameter('index') !== false) { $pos = $this->mPrintRequest->getParameter('index') - 1; $newcontent = array(); foreach ($this->mContent as $diContainer) { /* SMWRecordValue */ $recordValue = SMWDataValueFactory::newDataItemValue($diContainer, $propertyValue->getDataItem()); $dataItems = $recordValue->getDataItems(); if (array_key_exists($pos, $dataItems) && !is_null($dataItems[$pos])) { $newcontent[] = $dataItems[$pos]; } } $this->mContent = $newcontent; } break; case SMWPrintRequest::PRINT_CCAT: ///NOTE: The limit is ignored here. if (self::$catCacheObj != $this->mResult->getHash()) { self::$catCache = $this->mStore->getPropertyValues($this->mResult, new SMWDIProperty('_INST')); self::$catCacheObj = $this->mResult->getHash(); } $found = false; $prkey = $this->mPrintRequest->getData()->getDBkey(); foreach (self::$catCache as $cat) { if ($cat->getDBkey() == $prkey) { $found = true; break; } } $this->mContent = array(new SMWDIBoolean($found)); break; default: $this->mContent = array(); // Unknown print request. } reset($this->mContent); wfProfileOut('SMWQueryResult::loadContent (SMW)'); }
/** * Hanldes a single property value. Returns an array with data for a single event or false. * * FIXME: 13 arguments, of which a whole bunch are byref... not a good design :) * * @since 1.5.3 * * @param SMWDataValue $object * @param $outputmode * @param SMWPrintRequest $pr * @param boolean $first_col * @param boolean &$hastitle * @param boolean &$hastime * @param boolean $first_value * @param boolean $isEventline * @param string &$curmeta * @param string &$curdata * @param &$date_value * @param boolean &$output * @param array &$positions * * @return false or array */ protected function handlePropertyValue( SMWDataValue $object, $outputmode, SMWPrintRequest $pr, $first_col, &$hastitle, &$hastime, $first_value, $isEventline, &$curmeta, &$curdata, $date_value, &$output, array &$positions ) { global $curarticle, $cururl; $event = false; $l = $this->getLinker( $first_col ); if ( !$hastitle && $object->getTypeID() != '_wpg' ) { // "linking" non-pages in title positions confuses timeline scripts, don't try this $l = null; } if ( $object->getTypeID() == '_wpg' ) { // use shorter "LongText" for wikipage $objectlabel = $object->getLongText( $outputmode, $l ); } else { $objectlabel = $object->getShortText( $outputmode, $l ); } $urlobject = ( $l !== null ); $header = ''; if ( $first_value ) { // find header for current value: if ( $this->mShowHeaders && ( '' != $pr->getLabel() ) ) { $header = $pr->getText( $outputmode, $this->mLinker ) . ': '; } // is this a start date? if ( ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && ( $date_value == $this->m_tlstart ) ) { // FIXME: Timeline scripts should support XSD format explicitly. They // currently seem to implement iso8601 which deviates from XSD in cases. // NOTE: We can assume $object to be an SMWDataValue in this case. $curmeta .= Html::element( 'span', array( 'class' => 'smwtlstart' ), $object->getXMLSchemaDate() ); $positions[$object->getHash()] = $object->getXMLSchemaDate(); $hastime = true; } // is this the end date? if ( ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && ( $date_value == $this->m_tlend ) ) { // NOTE: We can assume $object to be an SMWDataValue in this case. $curmeta .= Html::element( 'span', array( 'class' => 'smwtlend' ), $object->getXMLSchemaDate( false ) ); } // find title for displaying event if ( !$hastitle ) { $curmeta .= Html::element( 'span', array( 'class' => $urlobject ? 'smwtlurl' : 'smwtltitle' ), $objectlabel ); if ( $pr->getMode() == SMWPrintRequest::PRINT_THIS ) { $curarticle = $object->getShortText( $outputmode, false ); $cururl = $object->getTitle()->getFullUrl(); } // NOTE: type Title of $object implied $hastitle = true; } } elseif ( $output ) { // 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 $curdata .= ', '; } if ( !$first_col || !$first_value || $isEventline ) { $curdata .= $header . $objectlabel; $output = true; } if ( $isEventline && ( $pr->getMode() == SMWPrintRequest::PRINT_PROP ) && ( $pr->getTypeID() == '_dat' ) && ( '' != $pr->getLabel() ) && ( $date_value != $this->m_tlstart ) && ( $date_value != $this->m_tlend ) ) { $event = array( $object->getXMLSchemaDate(), $pr->getLabel(), $object->getDataItem()->getSortKey(), ); } return $event; }