From: Philipp Spitzer <philipp@spitzer.priv.at>
Date: Thu, 23 Nov 2023 21:29:36 +0000 (+0100)
Subject: Use Swiss OSM as background map for he Swiss overview map.
X-Git-Url: https://git.toastfreeware.priv.at/philipp/winterrodeln/mediawiki_extensions/wrmap.git/commitdiff_plain/1305f1721b0b202db901fced12a2e3eafdf972c3?hp=5b7827067347be3f9bcc3f36e8c7b76a44715daf

Use Swiss OSM as background map for he Swiss overview map.
---

diff --git a/src/wrmap.ts b/src/wrmap.ts
index 117b102..81330ac 100644
--- a/src/wrmap.ts
+++ b/src/wrmap.ts
@@ -15,7 +15,7 @@ import { optionsFromCapabilities } from 'ol/source/WMTS';
 import OlSourceOsm from 'ol/source/OSM';
 import OlLayerVector from 'ol/layer/Vector';
 import OlLayerTile from 'ol/layer/Tile';
-import { Geometry, SimpleGeometry as OlSimpleGeometry } from 'ol/geom';
+import { Geometry, SimpleGeometry as OlSimpleGeometry, SimpleGeometry } from 'ol/geom';
 import OlPoint from 'ol/geom/Point';
 import OlInteractionDragPan from 'ol/interaction/DragPan';
 import OlInteractionMouseWheelZoom from 'ol/interaction/MouseWheelZoom';
@@ -288,6 +288,7 @@ function init_wrmap(_: number, jq_map_element: HTMLElement) {
 		style: style_function
 	});
 
+	let center = fromLonLat([lon, lat]);
 	let map = new OlMap({
 		target: jq_map[0],
 		layers: [
@@ -295,7 +296,7 @@ function init_wrmap(_: number, jq_map_element: HTMLElement) {
 		],
 		overlays: [popup_overlay],
 		view: new OlView({
-			center: fromLonLat([lon, lat]),
+			center: center,
 			zoom: zoom
 		}),
 		controls: olControlDefaults({
@@ -366,18 +367,18 @@ function init_wrmap(_: number, jq_map_element: HTMLElement) {
 		'7.530 46.023, 7.136 45.928, 6.843 46.173, 6.792 46.454, 6.412 46.474, 6.186 46.362)))';
 
 
-	function getCountryFeature(countryWkt: string) {
+	function getCountryGeometry(countryWkt: string) {
 		let format = new OlFormatWkt();
-		let feature = format.readFeature(countryWkt, {
+		let geometry = format.readGeometry(countryWkt, {
 			dataProjection: EPSG4326,
 			featureProjection: EPSG3857,
 		});
-		return feature;
+		return geometry;
 	}
 
 
-	const austria = getCountryFeature(austriaWkt);
-	const swiss = getCountryFeature(swissWkt);
+	const austria = getCountryGeometry(austriaWkt);
+	const swiss = getCountryGeometry(swissWkt);
 
 
 	function insertWmtsLayer(capabilitiesUrl: string, layer: string, attributions: string) {
@@ -411,22 +412,38 @@ function init_wrmap(_: number, jq_map_element: HTMLElement) {
 	}
 
 
-	function allFeaturesInCountry(features: Feature<Geometry>[], country: OlFeatureLike): boolean {
-		let countryGeometry = country.getGeometry() as Geometry;
-		function isInCountry(feature: OlFeatureLike) {
-			let featureGeometry = feature.getGeometry() as OlSimpleGeometry;
-			return countryGeometry.intersectsCoordinate(featureGeometry.getFirstCoordinate());
-		}
-		return features.every(isInCountry);
+	function allFeaturesInCountry(features: Feature<Geometry>[], country: Geometry): boolean {
+		return features.every(function (feature: Feature<Geometry>) {return country.intersectsCoordinate((feature.getGeometry() as SimpleGeometry).getFirstCoordinate())});
+	}
+
+	enum BackgroundLayer {
+		BasemapAt,
+		VaoAusland,
+		Sosm,
 	}
 
+	let backgroundLayer = BackgroundLayer.BasemapAt;
 
 	if (allFeaturesInCountry(features_all, austria)) {
-		insertWmtsLayer('https://mapsneu.wien.gv.at/basemapneu/1.0.0/WMTSCapabilities.xml', 'bmapgrau', 'Grundkarte: <a href="https://www.basemap.at/">basemap.at</a>');
+		backgroundLayer = BackgroundLayer.BasemapAt;
 	} else if (allFeaturesInCountry(features_all, swiss)) {
-		insertSwissLayer();
+		backgroundLayer = BackgroundLayer.Sosm;
+	} else if (swiss.intersectsCoordinate(center)) {
+		backgroundLayer = BackgroundLayer.Sosm;
 	} else {
-		insertWmtsLayer('https://mapsneu.wien.gv.at/vaoneu/1.0.0/WMTSCapabilities.xml', 'vaoausland', 'Grundkarte: <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>');
+		backgroundLayer = BackgroundLayer.VaoAusland;
+	}
+
+	switch (backgroundLayer) {
+		case BackgroundLayer.BasemapAt:
+			insertWmtsLayer('https://mapsneu.wien.gv.at/basemapneu/1.0.0/WMTSCapabilities.xml', 'bmapgrau', 'Grundkarte: <a href="https://www.basemap.at/">basemap.at</a>');
+			break;
+		case BackgroundLayer.VaoAusland:
+			insertWmtsLayer('https://mapsneu.wien.gv.at/vaoneu/1.0.0/WMTSCapabilities.xml', 'vaoausland', 'Grundkarte: <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>');
+			break;
+		case BackgroundLayer.Sosm:
+			insertSwissLayer();
+			break;
 	}