Revize 72a438f3

+ location persistence
+ last available collections
+ available collections code rework

website/public/js/zcu-heatmap.js

@@ -52 +52 @@
 }
 // eslint-disable-next-line no-unused-vars
 function initMap () {
+
+  startX = localStorage.getItem('lat') || startX;
+  startY = localStorage.getItem('lng') || startY;
+  startZoom = localStorage.getItem('zoom') || startZoom;
+
   mymap = L.map('heatmap').setView([startX, startY], startZoom)
 
   L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
@@ -125 +130 @@
 }
 
 // eslint-disable-next-line no-unused-vars
-function setMapView (latitude = startX, longitude = startY, zoom = startZoom) {
+function setMapView (latitude, longitude, zoom) {
+  localStorage.setItem('lat', latitude);
+  localStorage.setItem('lng', longitude);
+  localStorage.setItem('zoom', zoom);
   mymap.setView([latitude, longitude], zoom)
 }