1 files changed, 40 insertions, 0 deletions
diff --git a/www/wiki/extensions/ModernTimeline/src/SlidePresenter/SimpleSlidePresenter.php b/www/wiki/extensions/ModernTimeline/src/SlidePresenter/SimpleSlidePresenter.php
new file mode 100644
index 00000000..14be23e1
--- /dev/null
+++ b/www/wiki/extensions/ModernTimeline/src/SlidePresenter/SimpleSlidePresenter.php
@@ -0,0 +1,40 @@
+<?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();
+	}
+
+}