Map: satellite hybrid overlays for labels and roads

contao/templates/frontend/event_map.html.twig

@@ -112,4 +112,4 @@
 </style>
 
 <script type="application/json" id="{{ mapDataElementId|e('html_attr') }}">{{ mapItemsJson|raw }}</script>
-<script type="module" src="/bundles/mummertmediaeventmanager/assets/map-module.js?v=20260226i"></script>
+<script type="module" src="/bundles/mummertmediaeventmanager/assets/map-module.js?v=20260227a"></script>

public/assets/map-module.js

@@ -15,6 +15,12 @@ const EVENT_UNCLUSTERED_LAYER_ID = 'eventmanager-events-unclustered';
 const SATELLITE_SOURCE_ID = 'eventmanager-satellite-source';
 const SATELLITE_LAYER_ID = 'eventmanager-satellite-layer';
 const SATELLITE_TILE_URL = 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}';
+const SATELLITE_LABELS_SOURCE_ID = 'eventmanager-satellite-labels-source';
+const SATELLITE_LABELS_LAYER_ID = 'eventmanager-satellite-labels-layer';
+const SATELLITE_LABELS_TILE_URL = 'https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer/tile/{z}/{y}/{x}';
+const SATELLITE_ROADS_SOURCE_ID = 'eventmanager-satellite-roads-source';
+const SATELLITE_ROADS_LAYER_ID = 'eventmanager-satellite-roads-layer';
+const SATELLITE_ROADS_TILE_URL = 'https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Transportation/MapServer/tile/{z}/{y}/{x}';
 const SATELLITE_ATTRIBUTION = '© Esri, Maxar';
 
 let dependenciesPromise = null;
@@ -312,6 +318,44 @@ const ensureSatelliteLayer = (map) => {
             'raster-saturation': 0,
         },
     }, beforeId);
+
+    map.addSource(SATELLITE_ROADS_SOURCE_ID, {
+        type: 'raster',
+        tiles: [SATELLITE_ROADS_TILE_URL],
+        tileSize: 256,
+        attribution: SATELLITE_ATTRIBUTION,
+    });
+
+    map.addLayer({
+        id: SATELLITE_ROADS_LAYER_ID,
+        type: 'raster',
+        source: SATELLITE_ROADS_SOURCE_ID,
+        layout: {
+            visibility: 'none',
+        },
+        paint: {
+            'raster-opacity': 1,
+        },
+    }, beforeId);
+
+    map.addSource(SATELLITE_LABELS_SOURCE_ID, {
+        type: 'raster',
+        tiles: [SATELLITE_LABELS_TILE_URL],
+        tileSize: 256,
+        attribution: SATELLITE_ATTRIBUTION,
+    });
+
+    map.addLayer({
+        id: SATELLITE_LABELS_LAYER_ID,
+        type: 'raster',
+        source: SATELLITE_LABELS_SOURCE_ID,
+        layout: {
+            visibility: 'none',
+        },
+        paint: {
+            'raster-opacity': 1,
+        },
+    }, beforeId);
 };
 
 const setSatelliteMode = (map, enabled) => {
@@ -325,7 +369,16 @@ const setSatelliteMode = (map, enabled) => {
         return;
     }
 
+    const hybridOverlayLayerIds = [SATELLITE_ROADS_LAYER_ID, SATELLITE_LABELS_LAYER_ID];
+
     map.setLayoutProperty(SATELLITE_LAYER_ID, 'visibility', enabled ? 'visible' : 'none');
+    hybridOverlayLayerIds.forEach((layerId) => {
+        if (map.getLayer(layerId)) {
+            map.setLayoutProperty(layerId, 'visibility', enabled ? 'visible' : 'none');
+            map.setPaintProperty(layerId, 'raster-opacity-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
+            map.setPaintProperty(layerId, 'raster-opacity', enabled ? 1 : 0);
+        }
+    });
     map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-opacity-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
     map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-min-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });
     map.setPaintProperty(SATELLITE_LAYER_ID, 'raster-brightness-max-transition', { duration: EVENT_FADE_DURATION_MS, delay: 0 });