fix(master-land): create showmap function

public/assets/js/pages/customJs/master-data/lahan/index.js

@@ -1,4 +1,5 @@
 var map;
+var currentMarker = null;
 document.addEventListener("DOMContentLoaded", function () {
     // Initialize the first map
     map = L.map("map", {
@@ -91,6 +92,42 @@ function getRegencies(provinceId) {
 function showmap(districtId) {
     mapContainer.style.display = "block";
     map.invalidateSize();
+    if (!navigator.geolocation) {
+        alert("Geolocation tidak didukung oleh browser ini.");
+        return;
+    }
+
+    navigator.geolocation.getCurrentPosition(
+        function (position) {
+            var lat = position.coords.latitude;
+            var lng = position.coords.longitude;
+
+            console.log(lat, lng);
+
+            map.setView([lat, lng], 16);
+
+            if (currentMarker) {
+                map.removeLayer(currentMarker);
+            }
+
+            var iconMarker = L.icon({
+                iconUrl: "/assets/images/marker.png",
+                iconSize: [50, 50],
+                iconAnchor: [25, 50],
+                popupAnchor: [0, -50],
+            });
+
+            currentMarker = L.marker([lat, lng], {
+                icon: iconMarker,
+                draggable: true,
+            }).addTo(map);
+
+            currentMarker.bindPopup("Kamu berada di sini.").openPopup();
+        },
+        function (error) {
+            alert("Error: " + error.message);
+        }
+    );
 }
 
 function getDistricts(regencyId) {