WIP: exit from building view (buggy)

webgis/js/gis.js

@@ -117,14 +117,27 @@ GIS.initMap = async function (mapId, zoomLevel = this.INIT_ZOOM) {
  */
 GIS.activateBuildingView = async function(layerId) {
     const map = GisState.map;
-    map.setMinZoom(19);
-    map.setMaxZoom(25);
+    let currentBase = {};
+    for (let key of Object.keys(GisState.baseLayers)) {
+        if (map.hasLayer(GisState.baseLayers[key])) {
+            currentBase = GisState.baseLayers[key];
+            break;
+        }
+    }
+    GisState.currentMapState = {
+        baseLayer: currentBase,
+        zoom: map.getZoom(),
+        center: map.getCenter(),
+        minZoom: map.getMinZoom(),
+        maxZoom: map.getMaxZoom(),
+    }
+
     /**
      * @type {L.GeoJSON} currentGeometry
      */
     let currentGeometry = {};
 
-    map.removeLayer(GisState.baseLayers['OpenStreetMap']);
+    map.removeLayer(currentBase);
     // Remove site layers then re-add it so vector lines
     // are placed correctly above the new base map
     GisState.layers.geometries.removeFrom(map);
@@ -139,8 +152,6 @@ GIS.activateBuildingView = async function(layerId) {
         }
     });
 
-    const center = currentGeometry.getBounds().getCenter();
-
     // TODO: Use DB to handle these?
     const wallTechniques = [
         'reticolata',
@@ -151,19 +162,25 @@ GIS.activateBuildingView = async function(layerId) {
         'poligonale',
     ];
 
-    // TODO: create color lookup table...
     const wallLayer = await this.loadGeoJSON(
         `murarie/${layerId}/reticolata.geojson`,
+        // TODO: create color lookup table...
         Options.walls,
         true
     );
 
     wallLayer.addTo(map);
 
+    // The group of all added walls...
+    GisState.layers.walls = L.layerGroup([wallLayer]);
+
     map.setView(wallLayer.getBounds().getCenter(), 20);
+    map.setMinZoom(19);
+    map.setMaxZoom(25);
     // This is terrible...
     UI.addBuildingViewBar();
     map._container.classList.add('bview-border');
+    GisState.bViewActive = true;
 }
 /**
  * Fetches references to cartography layers