1 files changed, 105 insertions, 0 deletions
diff --git a/www/wiki/extensions/ModernTimeline/src/TimelinePresenter.php b/www/wiki/extensions/ModernTimeline/src/TimelinePresenter.php
new file mode 100644
index 00000000..b0d00689
--- /dev/null
+++ b/www/wiki/extensions/ModernTimeline/src/TimelinePresenter.php
@@ -0,0 +1,105 @@
+<?php
+
+declare( strict_types = 1 );
+
+namespace ModernTimeline;
+
+use ModernTimeline\ResultFacade\ResultSimplifier;
+use ModernTimeline\SlidePresenter\SimpleSlidePresenter;
+use ModernTimeline\SlidePresenter\SlidePresenter;
+use ModernTimeline\SlidePresenter\TemplateSlidePresenter;
+use ParamProcessor\ProcessedParam;
+use SMWOutputs;
+use SMWQueryResult;
+
+class TimelinePresenter {
+
+	private $id;
+	private $parameters;
+
+	/**
+	 * @param ProcessedParam[] $parameters
+	 */
+	public function __construct( array $parameters ) {
+		$this->parameters = $parameters;
+		$this->id = $this->newTimelineId();
+	}
+
+	private function newTimelineId(): string {
+		static $timelineNumber = 0;
+		return 'modern_timeline_' . ++$timelineNumber;
+	}
+
+	public function getResult( SMWQueryResult $result ): string {
+		SMWOutputs::requireResource( 'ext.modern.timeline' );
+
+		$json = $this->createJsonString( $result );
+
+		SMWOutputs::requireHeadItem(
+			$this->id,
+			$this->createJs( $json )
+		);
+
+		return $this->createDiv( $json );
+	}
+
+	private function createJsonString( SMWQueryResult $result ) {
+		$preJson = ( new JsonBuilder( $this->getSlidePresenter() ) )->buildTimelineJson(
+			( new ResultSimplifier() )->newSubjectCollection( $result )
+		);
+
+		$preJson['options'] = TimelineOptions::processedParamsToJson( $this->parameters );
+
+		return json_encode( $preJson );
+	}
+
+	private function getSlidePresenter(): SlidePresenter {
+		if ( $this->getTemplateName() === '' ) {
+			return new SimpleSlidePresenter();
+		}
+
+		return new TemplateSlidePresenter( $this->getTemplateName() );
+	}
+
+	private function getTemplateName(): string {
+		return $this->parameters['template']->getValue();
+	}
+
+	private function createJs( string $json ): string {
+		return \Html::rawElement(
+			'script',
+			[
+				'type' => 'text/javascript'
+			],
+			"if (!window.hasOwnProperty('modernTimeline')) {window.modernTimeline = {};}"
+			. "\n window.modernTimeline.{$this->id} = $json;"
+		);
+	}
+
+	private function createDiv( string $json ): string {
+		$width = $this->parameters[TimelineOptions::PARAM_WIDTH]->getValue();
+		$height = $this->parameters[TimelineOptions::PARAM_HEIGHT]->getValue();
+
+		return \Html::rawElement(
+			'div',
+			[
+				'id' => $this->id,
+				'style' => "width: $width; height: $height",
+				'class' => 'modern_timeline_outer_div'
+			],
+			\Html::element(
+				'div',
+				[
+					'class' => 'modern_timeline_inner_div',
+					'style' => 'width: 100%; height: calc(100% - 10px); background-color: rgba(0, 0, 0, 0.05); margin-top: 5px; margin-bottom: 5px;'
+				]
+			)
+		)
+			. \Html::element( // TODO: remove when system tests can test head items
+				'div',
+				[ 'style' => 'display:none' ],
+				$json
+			);
+	}
+
+}