1 files changed, 100 insertions, 0 deletions
diff --git a/www/wiki/extensions/Maps/src/MediaWiki/ParserHooks/DistanceFunction.php b/www/wiki/extensions/Maps/src/MediaWiki/ParserHooks/DistanceFunction.php
new file mode 100644
index 00000000..84b11c2b
--- /dev/null
+++ b/www/wiki/extensions/Maps/src/MediaWiki/ParserHooks/DistanceFunction.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace Maps\MediaWiki\ParserHooks;
+
+use Maps\Presentation\MapsDistanceParser;
+use ParserHook;
+
+/**
+ * Class for the 'distance' parser hooks,
+ * which can transform the notation of a distance.
+ *
+ * @licence GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class DistanceFunction extends ParserHook {
+
+	/**
+	 * Renders and returns the output.
+	 *
+	 * @see ParserHook::render
+	 *
+	 * @param array $parameters
+	 *
+	 * @return string
+	 */
+	public function render( array $parameters ) {
+		return MapsDistanceParser::formatDistance(
+			$parameters['distance'],
+			$parameters['unit'],
+			$parameters['decimals']
+		);
+	}
+
+	/**
+	 * @see ParserHook::getMessage()
+	 */
+	public function getMessage() {
+		return 'maps-distance-description';
+	}
+
+	/**
+	 * Gets the name of the parser hook.
+	 *
+	 * @see ParserHook::getName
+	 *
+	 * @return string
+	 */
+	protected function getName() {
+		return 'distance';
+	}
+
+	/**
+	 * Returns an array containing the parameter info.
+	 *
+	 * @see ParserHook::getParameterInfo
+	 *
+	 * @return array
+	 */
+	protected function getParameterInfo( $type ) {
+		global $egMapsDistanceUnit, $egMapsDistanceDecimals;
+
+		$params = [];
+
+		$params['distance'] = [
+			'type' => 'distance',
+		];
+
+		$params['unit'] = [
+			'default' => $egMapsDistanceUnit,
+			'values' => MapsDistanceParser::getUnits(),
+		];
+
+		$params['decimals'] = [
+			'type' => 'integer',
+			'default' => $egMapsDistanceDecimals,
+		];
+
+		// Give grep a chance to find the usages:
+		// maps-distance-par-distance, maps-distance-par-unit, maps-distance-par-decimals
+		foreach ( $params as $name => &$param ) {
+			$param['message'] = 'maps-distance-par-' . $name;
+		}
+
+		return $params;
+	}
+
+	/**
+	 * Returns the list of default parameters.
+	 *
+	 * @see ParserHook::getDefaultParameters
+	 *
+	 * @param $type
+	 *
+	 * @return array
+	 */
+	protected function getDefaultParameters( $type ) {
+		return [ 'distance', 'unit', 'decimals' ];
+	}
+
+}
+\ No newline at end of file