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<?php |
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namespace Maps\MediaWiki\ParserHooks; |
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use FormatJson; |
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use Html; |
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use Maps\DataAccess\MediaWikiFileUrlFinder; |
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use Maps\Elements\Location; |
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use Maps\MappingService; |
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use Maps\Presentation\ElementJsonSerializer; |
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use Maps\Presentation\WikitextParser; |
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use Maps\Presentation\WikitextParsers\LocationParser; |
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use Parser; |
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/** |
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* Class handling the #display_map rendering. |
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* |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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* @author Kim Eik |
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*/ |
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class DisplayMapRenderer { |
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public $service; |
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/** |
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* @var LocationParser |
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*/ |
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private $locationParser; |
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/** |
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* @var MediaWikiFileUrlFinder |
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*/ |
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private $fileUrlFinder; |
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/** |
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* @var WikitextParser |
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*/ |
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private $wikitextParser; |
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/** |
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* @var ElementJsonSerializer |
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*/ |
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private $elementSerializer; |
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public function __construct( MappingService $service = null ) { |
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$this->service = $service; |
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} |
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/** |
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* Handles the request from the parser hook by doing the work that's common for all |
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* mapping services, calling the specific methods and finally returning the resulting output. |
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* |
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* @param array $params |
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* @param Parser $parser |
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* |
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* @return string |
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*/ |
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public final function renderMap( array $params, Parser $parser ) { |
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$factory = \Maps\MapsFactory::newDefault(); |
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$this->locationParser = $factory->newLocationParser(); |
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$this->fileUrlFinder = $factory->getFileUrlFinder(); |
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$this->wikitextParser = new WikitextParser( clone $parser ); |
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$this->elementSerializer = new ElementJsonSerializer( $this->wikitextParser ); |
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$this->handleMarkerData( $params ); |
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$output = $this->getMapHTML( |
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$params, |
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$this->service->getMapId() |
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); |
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$this->service->addHtmlDependencies( |
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self::getLayerDependencies( $params['mappingservice'], $params ) |
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); |
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$this->service->addDependencies( $parser->getOutput() ); |
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return $output; |
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} |
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/** |
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* Converts the data in the coordinates parameter to JSON-ready objects. |
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* These get stored in the locations parameter, and the coordinates on gets deleted. |
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*/ |
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private function handleMarkerData( array &$params ) { |
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$params['centre'] = $this->getCenter( $params['centre'] ); |
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if ( is_object( $params['wmsoverlay'] ) ) { |
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$params['wmsoverlay'] = $params['wmsoverlay']->getJSONObject(); |
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} |
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$params['locations'] = $this->getLocationJson( $params ); |
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unset( $params['coordinates'] ); |
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$this->handleShapeData( $params ); |
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} |
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private function getCenter( $coordinatesOrAddress ) { |
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if ( $coordinatesOrAddress === false ) { |
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return false; |
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} |
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try { |
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// FIXME: a Location makes no sense here, since the non-coordinate data is not used |
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$location = $this->locationParser->parse( $coordinatesOrAddress ); |
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} |
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catch ( \Exception $ex ) { |
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// TODO: somehow report this to the user |
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return false; |
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} |
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return $location->getJSONObject(); |
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} |
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private function getLocationJson( array $params ) { |
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$iconUrl = $this->fileUrlFinder->getUrlForFileName( $params['icon'] ); |
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$visitedIconUrl = $this->fileUrlFinder->getUrlForFileName( $params['visitedicon'] ); |
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$locationJsonObjects = []; |
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foreach ( $params['coordinates'] as $coordinatesOrAddress ) { |
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try { |
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$location = $this->locationParser->parse( $coordinatesOrAddress ); |
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} |
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catch ( \Exception $ex ) { |
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// TODO: somehow report this to the user |
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continue; |
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} |
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$locationJsonObjects[] = $this->getLocationJsonObject( |
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$location, |
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$params, |
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$iconUrl, |
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$visitedIconUrl |
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); |
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} |
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return $locationJsonObjects; |
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} |
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private function getLocationJsonObject( Location $location, array $params, $iconUrl, $visitedIconUrl ) { |
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$jsonObj = $location->getJSONObject( $params['title'], $params['label'], $iconUrl, '', '', $visitedIconUrl ); |
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$this->elementSerializer->titleAndText( $jsonObj ); |
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if ( isset( $jsonObj['inlineLabel'] ) ) { |
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$jsonObj['inlineLabel'] = strip_tags( |
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$this->wikitextParser->wikitextToHtml( $jsonObj['inlineLabel'] ), |
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'<a><img>' |
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); |
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} |
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return $jsonObj; |
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} |
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private function handleShapeData( array &$params ) { |
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$textContainers = [ |
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&$params['lines'], |
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&$params['polygons'], |
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&$params['circles'], |
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&$params['rectangles'], |
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&$params['imageoverlays'], // FIXME: this is Google Maps specific!! |
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]; |
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foreach ( $textContainers as &$textContainer ) { |
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if ( is_array( $textContainer ) ) { |
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foreach ( $textContainer as &$obj ) { |
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$obj = $this->elementSerializer->elementToJson( $obj ); |
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} |
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} |
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} |
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} |
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/** |
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* Returns the HTML to display the map. |
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* |
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* @param array $params |
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* @param string $mapName |
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* |
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* @return string |
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*/ |
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protected function getMapHTML( array $params, $mapName ) { |
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return Html::rawElement( |
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'div', |
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[ |
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'id' => $mapName, |
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'style' => "width: {$params['width']}; height: {$params['height']}; background-color: #cccccc; overflow: hidden;", |
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'class' => 'maps-map maps-' . $this->service->getName() |
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], |
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wfMessage( 'maps-loading-map' )->inContentLanguage()->escaped() . |
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Html::element( |
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'div', |
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[ 'style' => 'display:none', 'class' => 'mapdata' ], |
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FormatJson::encode( $params ) |
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) |
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); |
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} |
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public static function getLayerDependencies( $service, $params ) { |
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global $egMapsLeafletLayerDependencies, $egMapsLeafletAvailableLayers, |
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$egMapsLeafletLayersApiKeys; |
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$layerDependencies = []; |
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if ( $service === 'leaflet' ) { |
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$layerNames = $params['layers']; |
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foreach ( $layerNames as $layerName ) { |
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if ( array_key_exists( $layerName, $egMapsLeafletAvailableLayers ) |
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&& $egMapsLeafletAvailableLayers[$layerName] |
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&& array_key_exists( $layerName, $egMapsLeafletLayersApiKeys ) |
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&& array_key_exists( $layerName, $egMapsLeafletLayerDependencies ) ) { |
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$layerDependencies[] = '<script src="' . $egMapsLeafletLayerDependencies[$layerName] . |
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$egMapsLeafletLayersApiKeys[$layerName] . '"></script>'; |
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} |
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} |
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} |
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return array_unique( $layerDependencies ); |
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} |
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} |
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JeroenDeDauw /
Maps
