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<?php
declare( strict_types = 1 );
namespace ModernTimeline\SlidePresenter;
use ModernTimeline\ResultFacade\Subject;
use SMW\DataValueFactory;
use SMW\Query\PrintRequest;
class SimpleSlidePresenter implements SlidePresenter {
public function getText( Subject $subject ): string {
return implode( '<br>', iterator_to_array( $this->getDisplayValues( $subject ) ) );
}
private function getDisplayValues( Subject $subject ) {
foreach ( $subject->getPropertyValueCollections() as $propertyValues ) {
foreach ( $propertyValues->getDataItems() as $dataItem ) {
yield $this->getDisplayValue( $propertyValues->getPrintRequest(), $dataItem );
}
}
}
private function getDisplayValue( PrintRequest $pr, \SMWDataItem $dataItem ) {
$property = $pr->getText( null );
$value = $this->dataItemToText( $dataItem );
if ( $property === '' ) {
return $value;
}
return $property . ': ' . $value;
}
private function dataItemToText( \SMWDataItem $dataItem ): string {
return DataValueFactory::getInstance()->newDataValueByItem( $dataItem )->getLongHTMLText();
}
}
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