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<?php
namespace SMW\MediaWiki\Specials\Browse;
use SMW\ApplicationFactory;
use SMW\DataValueFactory;
use SMW\DataValues\PropertyValue;
use SMW\DataValues\ValueFormatters\DataValueFormatter;
use SMW\DIProperty;
use SMW\Localizer;
use SMWDataValue as DataValue;
use SMWInfolink as Infolink;
/**
* @private
*
* This class should eventually be injected instead of relying on static methods,
* for now this is the easiest way to unclutter the mammoth Browse class and
* splitting up responsibilities.
*
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class ValueFormatter {
/**
* @since 2.5
*
* @param DataValue $value
*
* @return string
*/
public static function getFormattedSubject( DataValue $dataValue ) {
$extra = '';
if ( $dataValue->getDataItem()->getNamespace() === SMW_NS_PROPERTY ) {
$dv = DataValueFactory::getInstance()->newDataValueByItem(
DIProperty::newFromUserLabel( $dataValue->getDataItem()->getDBKey() )
);
$label = $dv->getFormattedLabel( DataValueFormatter::WIKI_LONG );
// Those with a formatted displayTitle
// foaf:homepage <span style="font-size:small;">(Foaf:homepage)</span>
if ( strpos( $label, ' <span' ) !== false ) {
list( $label, $extra ) = explode( ' ', $label );
$extra = ' ' . $extra;
}
$dataValue->setCaption( $label );
}
return $dataValue->getLongHTMLText( smwfGetLinker() ) . $extra;
}
/**
* Displays a value, including all relevant links (browse and search by property)
*
* @since 2.5
*
* @param DataValue $value
* @param PropertyValue $property
* @param boolean $incoming
*
* @return string
*/
public static function getFormattedValue( DataValue $dataValue, PropertyValue $propertyValue, $incoming = false, $user = null ) {
$linker = smwfGetLinker();
$dataItem = $dataValue->getContextPage();
// Allow the DV formatter to access a specific language code
$dataValue->setOption(
DataValue::OPT_CONTENT_LANGUAGE,
Localizer::getInstance()->getPreferredContentLanguage( $dataItem )->getCode()
);
$dataValue->setOption(
DataValue::OPT_USER_LANGUAGE,
Localizer::getInstance()->getUserLanguage()->getCode()
);
$outputFormat = $dataValue->getOutputFormat();
if ( $outputFormat === false ) {
$outputFormat = 'LOCL';
if ( Localizer::getInstance()->hasLocalTimeOffsetPreference( $user ) ) {
$outputFormat .= '#TO';
}
}
// Use LOCL formatting where appropriate (date)
$dataValue->setOutputFormat( $outputFormat );
// For a redirect, disable the DisplayTitle to show the original (aka source) page
if ( $propertyValue->isValid() && $propertyValue->getDataItem()->getKey() == '_REDI' ) {
$dataValue->setOption( 'smwgDVFeatures', ( $dataValue->getOption( 'smwgDVFeatures' ) & ~SMW_DV_WPV_DTITLE ) );
}
$html = $dataValue->getLongHTMLText( $linker );
if ( $dataValue->getOption( DataValue::OPT_DISABLE_INFOLINKS, false ) === true ) {
return $html;
}
$isCompactLink = $dataValue->getOption( DataValue::OPT_COMPACT_INFOLINKS, false );
$noInfolinks = [ '_INST', '_SKEY' ];
if ( in_array( $dataValue->getTypeID(), [ '_wpg', '_wpp', '__sob'] ) ) {
$infolink = Infolink::newBrowsingLink( '+', $dataValue->getLongWikiText() );
$infolink->setCompactLink( $isCompactLink );
$html .= " " . $infolink->getHTML( $linker );
} elseif ( $incoming && $propertyValue->isVisible() ) {
$infolink = Infolink::newInversePropertySearchLink( '+', $dataValue->getTitle(), $propertyValue->getDataItem()->getLabel(), 'smwsearch' );
$infolink->setCompactLink( $isCompactLink );
$html .= " " . $infolink->getHTML( $linker );
} elseif ( $dataValue->getProperty() instanceof DIProperty && !in_array( $dataValue->getProperty()->getKey(), $noInfolinks ) ) {
$html .= $dataValue->getInfolinkText( SMW_OUTPUT_HTML, $linker );
}
return $html;
}
/**
* Figures out the label of the property to be used. For outgoing ones it is just
* the text, for incoming ones we try to figure out the inverse one if needed,
* either by looking for an explicitly stated one or by creating a default one.
*
* @since 2.5
*
* @param PropertyValue $property
* @param boolean $incoming
* @param boolean $showInverse
*
* @return string
*/
public static function getPropertyLabel( PropertyValue $propertyValue, $incoming = false, $showInverse = false ) {
$proptext = null;
$linker = smwfGetLinker();
$property = $propertyValue->getDataItem();
if ( $propertyValue->isVisible() ) {
$propertyValue->setCaption( self::findPropertyLabel( $propertyValue, $incoming, $showInverse ) );
$proptext = $propertyValue->getShortHTMLText( $linker ) . "\n";
} elseif ( $property->getKey() == '_INST' ) {
$proptext = $linker->specialLink( 'Categories', 'smw-category' );
} elseif ( $property->getKey() == '_REDI' ) {
$proptext = $linker->specialLink( 'Listredirects', 'isredirect' );
}
return $proptext;
}
private static function findPropertyLabel( PropertyValue $propertyValue, $incoming = false, $showInverse = false ) {
$property = $propertyValue->getDataItem();
$contextPage = $propertyValue->getContextPage();
// Change caption for the incoming, Has query instance
if ( $incoming && $property->getKey() === '_ASK' && strpos( $contextPage->getSubobjectName(), '_QUERY' ) === false ) {
return self::addNonBreakingSpace( wfMessage( 'smw-query-reference-link-label' )->text() );
}
if ( !$incoming || !$showInverse ) {
return self::addNonBreakingSpace( $propertyValue->getWikiValue() );
}
$inverseProperty = DataValueFactory::getInstance()->newPropertyValueByLabel( wfMessage( 'smw_inverse_label_property' )->text() );
$dataItems = ApplicationFactory::getInstance()->getStore()->getPropertyValues(
$property->getDiWikiPage(),
$inverseProperty->getDataItem()
);
if ( $dataItems !== [] ) {
$text = str_replace( '_', ' ', end( $dataItems )->getDBKey() );
} else {
$text = wfMessage( 'smw_inverse_label_default', $propertyValue->getWikiValue() )->text();
}
return self::addNonBreakingSpace( $text );
}
/**
* Replace the last two space characters with unbreakable spaces for beautification.
*
* @since 2.5
*
* @param string $text
*
* @return string
*/
public static function addNonBreakingSpace( $text ) {
$nonBreakingSpace = html_entity_decode( ' ', ENT_NOQUOTES, 'UTF-8' );
$text = preg_replace( '/[\s]/u', $nonBreakingSpace, $text, - 1, $count );
if ( $count > 2) {
return preg_replace( '/($nonBreakingSpace)/u', ' ', $text, max( 0, $count - 2 ) );
}
return $text;
}
}
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