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<?php |
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use SMW\DIProperty; |
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use SMW\UrlEncoder; |
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use SMW\Localizer; |
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use SMW\SemanticData; |
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use SMW\ApplicationFactory; |
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/** |
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* @ingroup SMWSpecialPage |
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* @ingroup SpecialPage |
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* |
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* A factbox like view on an article, implemented by a special page. |
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* |
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* @author Denny Vrandecic |
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*/ |
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/** |
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* A factbox view on one specific article, showing all the Semantic data about it |
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* |
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* @ingroup SMWSpecialPage |
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* @ingroup SpecialPage |
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*/ |
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class SMWSpecialBrowse extends SpecialPage { |
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/// int How many incoming values should be asked for |
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static public $incomingvaluescount = 8; |
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/// int How many incoming properties should be asked for |
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static public $incomingpropertiescount = 21; |
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/// SMWDataValue Topic of this page |
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private $subject = null; |
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/// Text to be set in the query form |
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private $articletext = ""; |
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/// bool To display outgoing values? |
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private $showoutgoing = true; |
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/// bool To display incoming values? |
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private $showincoming = false; |
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/// int At which incoming property are we currently? |
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private $offset = 0; |
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/** |
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* Constructor |
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*/ |
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public function __construct() { |
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global $smwgBrowseShowAll; |
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parent::__construct( 'Browse', '', true, false, 'default', true ); |
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if ( $smwgBrowseShowAll ) { |
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self::$incomingvaluescount = 21; |
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self::$incomingpropertiescount = - 1; |
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} |
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} |
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/** |
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* Main entry point for Special Pages |
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* |
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* @param[in] $query string Given by MediaWiki |
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*/ |
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public function execute( $query ) { |
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global $wgRequest, $wgOut, $smwgBrowseShowAll; |
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$this->setHeaders(); |
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// get the GET parameters |
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$this->articletext = $wgRequest->getVal( 'article' ); |
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// @see SMWInfolink::encodeParameters |
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2 |
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if ( $query === null && $this->getRequest()->getCheck( 'x' ) ) { |
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$query = $this->getRequest()->getVal( 'x' ); |
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} |
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// no GET parameters? Then try the URL |
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if ( is_null( $this->articletext ) ) { |
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$this->articletext = UrlEncoder::decode( $query ); |
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} |
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$this->subject = \SMW\DataValueFactory::getInstance()->newTypeIDValue( '_wpg', $this->articletext ); |
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$offsettext = $wgRequest->getVal( 'offset' ); |
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$this->offset = ( is_null( $offsettext ) ) ? 0 : intval( $offsettext ); |
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$dir = $wgRequest->getVal( 'dir' ); |
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if ( $smwgBrowseShowAll ) { |
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$this->showoutgoing = true; |
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$this->showincoming = true; |
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} |
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if ( $dir === 'both' || $dir === 'in' ) { |
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$this->showincoming = true; |
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} |
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if ( $dir === 'in' ) { |
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$this->showoutgoing = false; |
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} |
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if ( $dir === 'out' ) { |
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$this->showincoming = false; |
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} |
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$out = $this->getOutput(); |
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$out->addModuleStyles( array( |
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'mediawiki.ui', |
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'mediawiki.ui.button', |
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'mediawiki.ui.checkbox', |
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'mediawiki.ui.input', |
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) ); |
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$out->addHTML( $this->displayBrowse() ); |
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$this->addExternalHelpLinks(); |
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SMWOutputs::commitToOutputPage( $out ); // make sure locally collected output data is pushed to the output! |
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} |
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/** |
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* Create and output HTML including the complete factbox, based on the extracted |
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* parameters in the execute comment. |
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* |
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* @return string A HTML string with the factbox |
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*/ |
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private function displayBrowse() { |
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global $wgContLang; |
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$html = "\n"; |
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$leftside = !( $wgContLang->isRTL() ); // For right to left languages, all is mirrored |
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$modules = array(); |
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if ( $this->subject->isValid() ) { |
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$semanticData = new SemanticData( $this->subject->getDataItem() ); |
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$store = ApplicationFactory::getInstance()->getStore(); |
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$html .= $this->displayHead(); |
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if ( $this->showoutgoing ) { |
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$semanticData = $store->getSemanticData( $this->subject->getDataItem() ); |
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$html .= $this->displayData( $semanticData, $leftside ); |
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$html .= $this->displayCenter(); |
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} |
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if ( $this->showincoming ) { |
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list( $indata, $more ) = $this->getInData(); |
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global $smwgBrowseShowInverse; |
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if ( !$smwgBrowseShowInverse ) { |
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$leftside = !$leftside; |
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} |
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$html .= $this->displayData( $indata, $leftside, true ); |
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$html .= $this->displayBottom( $more ); |
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} |
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$this->articletext = $this->subject->getWikiValue(); |
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\Hooks::run( 'SMW::Browse::AfterDataLookupComplete', array( $store, $semanticData, &$html, &$modules ) ); |
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$this->getOutput()->addModules( $modules ); |
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// Add a bit space between the factbox and the query form |
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if ( !$this->including() ) { |
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$html .= '<div style="margin-top:15px;"></div>' ."\n"; |
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} |
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} |
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if ( !$this->including() ) { |
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$html .= $this->queryForm(); |
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} |
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$this->getOutput()->addHTML( $html ); |
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} |
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/** |
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* Creates the HTML table displaying the data of one subject. |
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* |
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* @param[in] $data SMWSemanticData The data to be displayed |
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* @param[in] $left bool Should properties be displayed on the left side? |
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* @param[in] $incoming bool Is this an incoming? Or an outgoing? |
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* |
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* @return A string containing the HTML with the factbox |
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*/ |
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private function displayData( SMWSemanticData $data, $left = true, $incoming = false ) { |
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// Some of the CSS classes are different for the left or the right side. |
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// In this case, there is an "i" after the "smwb-". This is set here. |
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$ccsPrefix = $left ? 'smwb-' : 'smwb-i'; |
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$html = "<table class=\"{$ccsPrefix}factbox\" cellpadding=\"0\" cellspacing=\"0\">\n"; |
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$diProperties = $data->getProperties(); |
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$noresult = true; |
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foreach ( $diProperties as $key => $diProperty ) { |
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$dvProperty = \SMW\DataValueFactory::getInstance()->newDataItemValue( $diProperty, null ); |
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if ( $dvProperty->isVisible() ) { |
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$dvProperty->setCaption( $this->getPropertyLabel( $dvProperty, $incoming ) ); |
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$proptext = $dvProperty->getShortHTMLText( smwfGetLinker() ) . "\n"; |
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} elseif ( $diProperty->getKey() == '_INST' ) { |
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$proptext = smwfGetLinker()->specialLink( 'Categories' ); |
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} elseif ( $diProperty->getKey() == '_REDI' ) { |
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$proptext = smwfGetLinker()->specialLink( 'Listredirects', 'isredirect' ); |
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} else { |
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continue; // skip this line |
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} |
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$head = '<th>' . $proptext . "</th>\n"; |
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$body = "<td>\n"; |
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$values = $data->getPropertyValues( $diProperty ); |
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if ( $incoming && ( count( $values ) >= self::$incomingvaluescount ) ) { |
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$moreIncoming = true; |
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array_pop( $values ); |
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} else { |
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$moreIncoming = false; |
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} |
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$first = true; |
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foreach ( $values as /* SMWDataItem */ $di ) { |
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if ( $first ) { |
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$first = false; |
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} else { |
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$body .= ', '; |
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} |
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if ( $incoming ) { |
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$dv = \SMW\DataValueFactory::getInstance()->newDataItemValue( $di, null ); |
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} else { |
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$dv = \SMW\DataValueFactory::getInstance()->newDataItemValue( $di, $diProperty ); |
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} |
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$body .= "<span class=\"{$ccsPrefix}value\">" . |
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$this->displayValue( $dvProperty, $dv, $incoming ) . "</span>\n"; |
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} |
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// Added in 2.3 |
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// link to the remaining incoming pages |
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if ( $moreIncoming && \Hooks::run( 'SMW::Browse::BeforeIncomingPropertyValuesFurtherLinkCreate', array( $diProperty, $this->subject->getDataItem(), &$body ) ) ) { |
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$body .= Html::element( |
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'a', |
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array( |
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'href' => SpecialPage::getSafeTitleFor( 'SearchByProperty' )->getLocalURL( array( |
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'property' => $dvProperty->getWikiValue(), |
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'value' => $this->subject->getWikiValue() |
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) ) |
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), |
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wfMessage( 'smw_browse_more' )->text() |
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); |
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} |
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$body .= "</td>\n"; |
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// display row |
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$html .= "<tr class=\"{$ccsPrefix}propvalue\">\n" . |
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( $left ? ( $head . $body ):( $body . $head ) ) . "</tr>\n"; |
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$noresult = false; |
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} // end foreach properties |
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if ( $noresult ) { |
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$html .= "<tr class=\"smwb-propvalue\"><th>   </th><td><em>" . |
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wfMessage( $incoming ? 'smw_browse_no_incoming':'smw_browse_no_outgoing' )->text() . "</em></td></tr>\n"; |
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} |
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$html .= "</table>\n"; |
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return $html; |
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} |
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/** |
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* Displays a value, including all relevant links (browse and search by property) |
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* |
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* @param[in] $property SMWPropertyValue The property this value is linked to the subject with |
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* @param[in] $value SMWDataValue The actual value |
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* @param[in] $incoming bool If this is an incoming or outgoing link |
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* |
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* @return string HTML with the link to the article, browse, and search pages |
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*/ |
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private function displayValue( SMWPropertyValue $property, SMWDataValue $dataValue, $incoming ) { |
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$linker = smwfGetLinker(); |
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// Allow the DV formatter to access a specific language code |
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$dataValue->setLanguageCode( |
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Localizer::getInstance()->getUserLanguage()->getCode() |
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); |
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$dataValue->setContextPage( |
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$this->subject->getDataItem() |
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); |
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$html = $dataValue->getLongHTMLText( $linker ); |
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if ( $dataValue->getTypeID() === '_wpg' || $dataValue->getTypeID() === '__sob' ) { |
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$html .= " " . SMWInfolink::newBrowsingLink( '+', $dataValue->getLongWikiText() )->getHTML( $linker ); |
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} elseif ( $incoming && $property->isVisible() ) { |
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$html .= " " . SMWInfolink::newInversePropertySearchLink( '+', $dataValue->getTitle(), $property->getDataItem()->getLabel(), 'smwsearch' )->getHTML( $linker ); |
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} elseif ( $dataValue->getProperty() instanceof DIProperty && $dataValue->getProperty()->getKey() !== '_INST' ) { |
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$html .= $dataValue->getInfolinkText( SMW_OUTPUT_HTML, $linker ); |
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} |
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return $html; |
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} |
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/** |
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* Displays the subject that is currently being browsed to. |
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* |
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* @return A string containing the HTML with the subject line |
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299
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*/ |
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private function displayHead() { |
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global $wgOut; |
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302
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303
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$wgOut->setHTMLTitle( $this->subject->getTitle() ); |
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304
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$html = "<table class=\"smwb-factbox\" cellpadding=\"0\" cellspacing=\"0\">\n" . |
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305
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|
"<tr class=\"smwb-title\"><td colspan=\"2\">\n" . |
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306
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$this->subject->getLongHTMLText( smwfGetLinker() ) . "\n" . |
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307
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"</td></tr>\n</table>\n"; |
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308
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309
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return $html; |
|
310
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} |
|
311
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312
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/** |
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313
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* Creates the HTML for the center bar including the links with further navigation options. |
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314
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* |
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315
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* @return string HTMl with the center bar |
|
316
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|
*/ |
|
317
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|
private function displayCenter() { |
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318
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|
return "<a name=\"smw_browse_incoming\"></a>\n" . |
|
319
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|
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"<table class=\"smwb-factbox\" cellpadding=\"0\" cellspacing=\"0\">\n" . |
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320
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"<tr class=\"smwb-center\"><td colspan=\"2\">\n" . |
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321
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( $this->showincoming ? |
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322
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$this->linkHere( wfMessage( 'smw_browse_hide_incoming' )->text(), true, false, 0 ): |
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323
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$this->linkHere( wfMessage( 'smw_browse_show_incoming' )->text(), true, true, $this->offset ) ) . |
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324
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" \n" . "</td></tr>\n" . "</table>\n"; |
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325
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} |
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326
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327
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/** |
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328
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* Creates the HTML for the bottom bar including the links with further navigation options. |
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329
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* |
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330
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* @param[in] $more bool Are there more inproperties to be displayed? |
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331
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|
* @return string HTMl with the bottom bar |
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332
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*/ |
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333
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private function displayBottom( $more ) { |
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334
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$html = "<table class=\"smwb-factbox\" cellpadding=\"0\" cellspacing=\"0\">\n" . |
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335
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"<tr class=\"smwb-center\"><td colspan=\"2\">\n"; |
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336
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global $smwgBrowseShowAll; |
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337
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if ( !$smwgBrowseShowAll ) { |
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338
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|
if ( ( $this->offset > 0 ) || $more ) { |
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339
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|
$offset = max( $this->offset - self::$incomingpropertiescount + 1, 0 ); |
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340
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|
$html .= ( $this->offset == 0 ) ? wfMessage( 'smw_result_prev' )->text(): |
|
341
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|
$this->linkHere( wfMessage( 'smw_result_prev' )->text(), $this->showoutgoing, true, $offset ); |
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342
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|
$offset = $this->offset + self::$incomingpropertiescount - 1; |
|
343
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|
|
// @todo FIXME: i18n patchwork. |
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344
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|
$html .= "     <strong>" . wfMessage( 'smw_result_results' )->text() . " " . ( $this->offset + 1 ) . |
|
345
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|
|
" – " . ( $offset ) . "</strong>     "; |
|
346
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|
$html .= $more ? $this->linkHere( wfMessage( 'smw_result_next' )->text(), $this->showoutgoing, true, $offset ):wfMessage( 'smw_result_next' )->text(); |
|
347
|
|
|
} |
|
348
|
|
|
} |
|
349
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|
|
$html .= " \n" . "</td></tr>\n" . "</table>\n"; |
|
350
|
|
|
return $html; |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
/** |
|
354
|
|
|
* Creates the HTML for a link to this page, with some parameters set. |
|
355
|
|
|
* |
|
356
|
|
|
* @param[in] $text string The anchor text for the link |
|
357
|
|
|
* @param[in] $out bool Should the linked to page include outgoing properties? |
|
358
|
|
|
* @param[in] $in bool Should the linked to page include incoming properties? |
|
359
|
|
|
* @param[in] $offset int What is the offset for the incoming properties? |
|
360
|
|
|
* |
|
361
|
|
|
* @return string HTML with the link to this page |
|
362
|
|
|
*/ |
|
363
|
|
|
private function linkHere( $text, $out, $in, $offset ) { |
|
364
|
|
|
$frag = ( $text == wfMessage( 'smw_browse_show_incoming' )->text() ) ? '#smw_browse_incoming' : ''; |
|
365
|
|
|
|
|
366
|
|
|
return Html::element( |
|
367
|
|
|
'a', |
|
368
|
|
|
array( |
|
369
|
|
|
'href' => SpecialPage::getSafeTitleFor( 'Browse' )->getLocalURL( array( |
|
370
|
|
|
'offset' => $offset, |
|
371
|
|
|
'dir' => $out ? ( $in ? 'both' : 'out' ) : 'in', |
|
372
|
|
|
'article' => $this->subject->getLongWikiText() |
|
373
|
|
|
) ) . $frag |
|
374
|
|
|
), |
|
375
|
|
|
$text |
|
376
|
|
|
); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
/** |
|
380
|
|
|
* Creates a Semantic Data object with the incoming properties instead of the |
|
381
|
|
|
* usual outproperties. |
|
382
|
|
|
* |
|
383
|
|
|
* @return array(SMWSemanticData, bool) The semantic data including all inproperties, and if there are more inproperties left |
|
|
|
|
|
|
384
|
|
|
*/ |
|
385
|
|
|
private function getInData() { |
|
386
|
|
|
$indata = new SMWSemanticData( $this->subject->getDataItem() ); |
|
|
|
|
|
|
387
|
|
|
$options = new SMWRequestOptions(); |
|
388
|
|
|
$options->sort = true; |
|
389
|
|
|
$options->limit = self::$incomingpropertiescount; |
|
390
|
|
|
if ( $this->offset > 0 ) { |
|
391
|
|
|
$options->offset = $this->offset; |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
$store = ApplicationFactory::getInstance()->getStore(); |
|
395
|
|
|
$inproperties = $store->getInProperties( $this->subject->getDataItem(), $options ); |
|
396
|
|
|
|
|
397
|
|
|
if ( count( $inproperties ) == self::$incomingpropertiescount ) { |
|
398
|
|
|
$more = true; |
|
399
|
|
|
array_pop( $inproperties ); // drop the last one |
|
400
|
|
|
} else { |
|
401
|
|
|
$more = false; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
$valoptions = new SMWRequestOptions(); |
|
405
|
|
|
$valoptions->sort = true; |
|
406
|
|
|
$valoptions->limit = self::$incomingvaluescount; |
|
407
|
|
|
|
|
408
|
|
|
foreach ( $inproperties as $property ) { |
|
409
|
|
|
$values = $store->getPropertySubjects( $property, $this->subject->getDataItem(), $valoptions ); |
|
410
|
|
|
foreach ( $values as $value ) { |
|
411
|
|
|
$indata->addPropertyObjectValue( $property, $value ); |
|
412
|
|
|
} |
|
413
|
|
|
} |
|
414
|
|
|
|
|
415
|
|
|
// Added in 2.3 |
|
416
|
|
|
\Hooks::run( 'SMW::Browse::AfterIncomingPropertiesLookupComplete', array( $store, $indata, $valoptions ) ); |
|
417
|
|
|
|
|
418
|
|
|
return array( $indata, $more ); |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
/** |
|
422
|
|
|
* Figures out the label of the property to be used. For outgoing ones it is just |
|
423
|
|
|
* the text, for incoming ones we try to figure out the inverse one if needed, |
|
424
|
|
|
* either by looking for an explicitly stated one or by creating a default one. |
|
425
|
|
|
* |
|
426
|
|
|
* @param[in] $property SMWPropertyValue The property of interest |
|
427
|
|
|
* @param[in] $incoming bool If it is an incoming property |
|
428
|
|
|
* |
|
429
|
|
|
* @return string The label of the property |
|
430
|
|
|
*/ |
|
431
|
|
|
private function getPropertyLabel( SMWPropertyValue $property, $incoming = false ) { |
|
432
|
|
|
global $smwgBrowseShowInverse; |
|
|
|
|
|
|
433
|
|
|
|
|
434
|
|
|
if ( $incoming && $smwgBrowseShowInverse ) { |
|
435
|
|
|
$oppositeprop = SMWPropertyValue::makeUserProperty( wfMessage( 'smw_inverse_label_property' )->text() ); |
|
436
|
|
|
$labelarray = ApplicationFactory::getInstance()->getStore()->getPropertyValues( $property->getDataItem()->getDiWikiPage(), $oppositeprop->getDataItem() ); |
|
|
|
|
|
|
437
|
|
|
$rv = ( count( $labelarray ) > 0 ) ? $labelarray[0]->getLongWikiText(): |
|
438
|
|
|
wfMessage( 'smw_inverse_label_default', $property->getWikiValue() )->text(); |
|
439
|
|
|
} else { |
|
440
|
|
|
$rv = $property->getWikiValue(); |
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
return $this->unbreak( $rv ); |
|
444
|
|
|
} |
|
445
|
|
|
|
|
446
|
|
|
/** |
|
447
|
|
|
* Creates the query form in order to quickly switch to a specific article. |
|
448
|
|
|
* |
|
449
|
|
|
* @return A string containing the HTML for the form |
|
450
|
|
|
*/ |
|
451
|
2 |
|
private function queryForm() { |
|
452
|
|
|
|
|
453
|
2 |
|
if ( $this->getRequest()->getVal( 'printable' ) === 'yes' ) { |
|
454
|
|
|
return ''; |
|
455
|
|
|
} |
|
456
|
|
|
|
|
457
|
2 |
|
SMWOutputs::requireResource( 'ext.smw.browse' ); |
|
458
|
2 |
|
$title = SpecialPage::getTitleFor( 'Browse' ); |
|
459
|
2 |
|
return ' <form name="smwbrowse" action="' . htmlspecialchars( $title->getLocalURL() ) . '" method="get">' . "\n" . |
|
460
|
2 |
|
' <input type="hidden" name="title" value="' . $title->getPrefixedText() . '"/>' . |
|
461
|
2 |
|
wfMessage( 'smw_browse_article' )->text() . "<br />\n" . |
|
462
|
2 |
|
' <div class="browse-input-resp"> <div class="input-field"><input type="text" name="article" size="40" id="page_input_box" class="input mw-ui-input" value="' . htmlspecialchars( $this->articletext ) . '" /></div>' . |
|
463
|
2 |
|
' <div class="button-field"><input type="submit" class="input-button mw-ui-button" value="' . wfMessage( 'smw_browse_go' )->text() . "\"/></div></div>\n" . |
|
464
|
2 |
|
" </form>\n"; |
|
465
|
|
|
} |
|
466
|
|
|
|
|
467
|
|
|
/** |
|
468
|
|
|
* Replace the last two space characters with unbreakable spaces for beautification. |
|
469
|
|
|
* |
|
470
|
|
|
* @param[in] $text string Text to be transformed. Does not need to have spaces |
|
471
|
|
|
* @return string Transformed text |
|
472
|
|
|
*/ |
|
473
|
|
|
private function unbreak( $text ) { |
|
474
|
|
|
$nonBreakingSpace = html_entity_decode( ' ', ENT_NOQUOTES, 'UTF-8' ); |
|
475
|
|
|
$text = preg_replace( '/[\s]/u', $nonBreakingSpace, $text, - 1, $count ); |
|
476
|
|
|
return $count > 2 ? preg_replace( '/($nonBreakingSpace)/u', ' ', $text, max( 0, $count - 2 ) ):$text; |
|
477
|
|
|
} |
|
478
|
|
|
|
|
479
|
|
|
/** |
|
480
|
|
|
* FIXME MW 1.25 |
|
481
|
|
|
*/ |
|
482
|
2 |
|
private function addExternalHelpLinks() { |
|
483
|
|
|
|
|
484
|
2 |
|
if ( !method_exists( $this, 'addHelpLink' ) || ( $this->getRequest()->getVal( 'printable' ) === 'yes' ) ) { |
|
485
|
|
|
return null; |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
2 |
|
if ( $this->subject->isValid() ) { |
|
489
|
|
|
$link = SpecialPage::getTitleFor( 'ExportRDF', $this->subject->getTitle()->getPrefixedText() )->getLocalUrl( 'syntax=rdf' ); |
|
|
|
|
|
|
490
|
|
|
|
|
491
|
|
|
$this->getOutput()->setIndicators( array( |
|
492
|
|
|
Html::rawElement( |
|
493
|
|
|
'div', |
|
494
|
|
|
array( |
|
495
|
|
|
'class' => 'mw-indicator smw-page-indicator-rdflink' |
|
496
|
|
|
), |
|
497
|
|
|
Html::rawElement( |
|
498
|
|
|
'a', |
|
499
|
|
|
array( |
|
500
|
|
|
'href' => $link |
|
501
|
|
|
), 'RDF' ) |
|
502
|
|
|
) |
|
503
|
|
|
) ); |
|
504
|
|
|
} |
|
505
|
|
|
|
|
506
|
2 |
|
$this->addHelpLink( wfMessage( 'smw-specials-browse-helplink' )->escaped(), true ); |
|
507
|
2 |
|
} |
|
508
|
|
|
|
|
509
|
|
|
protected function getGroupName() { |
|
510
|
|
|
return 'smw_group'; |
|
511
|
|
|
} |
|
512
|
|
|
} |
|
513
|
|
|
|
SemanticMediaWiki /
SemanticMediaWiki
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