feat: Icons

components/uiWidgets/baseMapPanel/BaseMapPanel.js

@@ -0,0 +1,163 @@
+// components/uiWidgets/baseMapPanel/BaseMapPanel.js
+import React, { useEffect, useMemo, useRef, useState } from "react";
+import L from "leaflet";
+import { Icon } from "@iconify/react";
+
+// Minimal, safe defaults (no API key required). You can extend via config later.
+const DEFAULT_BASE_LAYERS = [
+  {
+    id: "osm-standard",
+    name: "Standard",
+    url: "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
+    attribution: "© OpenStreetMap contributors",
+    minZoom: 0,
+    maxZoom: 19,
+  },
+  {
+    id: "osm-humanitarian",
+    name: "Humanitarian",
+    url: "https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png",
+    attribution: "© OpenStreetMap contributors, Humanitarian OpenStreetMap Team",
+    minZoom: 0,
+    maxZoom: 19,
+  },
+  {
+    id: "cyclosm",
+    name: "CyclOSM",
+    url: "https://{s}.tile-cyclosm.openstreetmap.fr/cyclosm/{z}/{x}/{y}.png",
+    attribution: "© OpenStreetMap contributors, CyclOSM",
+    minZoom: 0,
+    maxZoom: 20,
+  },
+  {
+    id: "carto-light",
+    name: "Carto Light",
+    url: "https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png",
+    attribution: "© OpenStreetMap contributors, © CARTO",
+    subdomains: "abcd",
+    minZoom: 0,
+    maxZoom: 20,
+  },
+];
+
+function getCurrentTileLayer(map) {
+  let found = null;
+  if (!map) return null;
+  map.eachLayer(layer => {
+    if (!found && layer instanceof L.TileLayer) {
+      found = layer;
+    }
+  });
+  return found;
+}
+
+export default function BaseMapPanel({ map, onSelect, onClose, initialId }) {
+  const [activeId, setActiveId] = useState(initialId || null);
+  const layerCacheRef = useRef({});
+  const bases = useMemo(() => {
+    try {
+      if (typeof window !== "undefined") {
+        const cfg = window.__leafletConfig;
+        if (cfg && cfg.tileSources) {
+          return Object.entries(cfg.tileSources).map(([key, ts]) => ({
+            id: key,
+            name: ts.name || key,
+            url: ts.url,
+            attribution: ts.attribution || "© OpenStreetMap contributors",
+            minZoom: ts.minZoom ?? cfg.minZoom ?? 0,
+            maxZoom: ts.maxZoom ?? cfg.maxZoom ?? 19,
+            subdomains: ts.subdomains,
+          }));
+        }
+      }
+    } catch (_) {}
+    return DEFAULT_BASE_LAYERS;
+  }, []);
+
+  const applyBase = id => {
+    if (!map) return;
+    const base = bases.find(b => b.id === id) || bases[0];
+    if (!base) return;
+
+    // Remove current tile layer
+    const current = getCurrentTileLayer(map);
+    if (current) {
+      try {
+        map.removeLayer(current);
+      } catch (_) {}
+    }
+
+    // Get or create the new layer
+    let nextLayer = layerCacheRef.current[id];
+    if (!nextLayer) {
+      nextLayer = L.tileLayer(base.url, {
+        attribution: base.attribution,
+        subdomains: base.subdomains || "abc",
+        tileSize: 256,
+        minZoom: base.minZoom ?? 0,
+        maxZoom: base.maxZoom ?? 19,
+        noWrap: true,
+        // Ensure base tiles stay behind overlays
+        zIndex: 1,
+      });
+      layerCacheRef.current[id] = nextLayer;
+    }
+
+    nextLayer.addTo(map);
+    try {
+      if (typeof map.setMinZoom === "function") map.setMinZoom(base.minZoom ?? 0);
+      if (typeof map.setMaxZoom === "function") map.setMaxZoom(base.maxZoom ?? 19);
+      if (typeof window !== "undefined") {
+        window.__tileSourceMinZoom = base.minZoom ?? 0;
+        window.__tileSourceMaxZoom = base.maxZoom ?? 19;
+      }
+    } catch (_) {}
+
+    setActiveId(id);
+    try {
+      localStorage.setItem("baseMapId", id);
+    } catch (_) {}
+    onSelect && onSelect(id);
+  };
+
+  useEffect(() => {
+    const saved = (() => {
+      try {
+        return localStorage.getItem("baseMapId");
+      } catch (_) {
+        return null;
+      }
+    })();
+    const targetId = initialId || saved || bases[0]?.id;
+    if (targetId) {
+      applyBase(targetId);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [map]);
+
+  return (
+    <div className="absolute top-16 right-3 z-50 w-64 bg-white rounded-lg shadow-lg p-3">
+      <div className="flex items-center justify-between mb-2">
+        <h3 className="text-sm font-semibold">Map Layers</h3>
+        <button onClick={onClose} aria-label="Schließen" title="Schließen">
+          <Icon icon="material-symbols:close-rounded" className="h-5 w-5 text-gray-700" />
+        </button>
+      </div>
+      <div className="flex flex-col gap-2">
+        {bases.map(b => (
+          <button
+            key={b.id}
+            onClick={() => applyBase(b.id)}
+            className={`text-left rounded-md border p-2 hover:bg-gray-50 ${
+              activeId === b.id ? "ring-2 ring-blue-500" : ""
+            }`}
+            title={b.name}
+          >
+            <div className="font-medium text-sm">{b.name}</div>
+            <div className="text-[10px] text-gray-500 truncate">{b.url}</div>
+          </button>
+        ))}
+      </div>
+    </div>
+  );
+}