DBLayer als layerGroup implementiert, fehlt noch die Marker das Popup Information, es soll oben idPoiTyp und unten das description sein
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@@ -15,6 +15,7 @@ import { gisSystemStaticState } from "../store/gisSystemState";
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import { mapLayersState } from "../store/mapLayersState";
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const MapComponent = ({ locations, onLocationUpdate }) => {
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const dbLayerRef = useRef(null); // Referenz auf die Layer-Gruppe für Datenbank-Marker
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const mapRef = useRef(null); // Referenz auf das DIV-Element der Karte
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const [map, setMap] = useState(null); // Zustand der Karteninstanz
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const [oms, setOms] = useState(null); // State für OMS-Instanz
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@@ -508,7 +509,7 @@ const MapComponent = ({ locations, onLocationUpdate }) => {
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}
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//useEffect zusammen von MySQL Daten bank und von APIs
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useEffect(() => {
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/* useEffect(() => {
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const fetchData = async () => {
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try {
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const responses = await Promise.all([
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@@ -540,16 +541,30 @@ const MapComponent = ({ locations, onLocationUpdate }) => {
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};
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fetchData();
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}, []);
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// Marker hinzufügen von lokale MySQL Datenbank und nicht von APIs
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}, []); */
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//------------------------------------------
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let dbLayer = null;
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useEffect(() => {
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if (map) {
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// Schicht für Datenbank-Marker, sicherstellen, dass map nicht null ist
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dbLayer = new L.LayerGroup().addTo(map);
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// Fügen Sie Ihre Marker hier innerhalb dieser useEffect hinzu, da map nicht null ist
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return () => {
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// Bereinigung, entfernt dbLayer, wenn die Komponente unmountet
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dbLayer.remove();
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};
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}
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}, [map]);
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//-------------------- // Diese useEffect wird nur beim ersten Rendering oder wenn sich `map` ändert, ausgeführt
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// Marker hinzufügen von lokale MySQL Datenbank und nicht von APIs
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/* useEffect(() => {
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// Remove old markers
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if (map) {
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/* map.eachLayer((layer) => {
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if (layer instanceof L.Marker) {
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map.removeLayer(layer);
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}
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}); */
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// Entfernen der alten DBLayer und Erstellung einer neuen
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map.removeLayer(dbLayer);
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dbLayer = new L.LayerGroup().addTo(map);
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// Add new markers
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locations.forEach((location) => {
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const { latitude, longitude } = parsePoint(location.position);
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@@ -579,13 +594,111 @@ const MapComponent = ({ locations, onLocationUpdate }) => {
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onLocationUpdate(markerId, newLat, newLng);
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});
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});
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marker.addTo(map);
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marker.addTo(dbLayer);
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});
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}
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}, [map, locations, onLocationUpdate]);
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*/
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//------------------------------------------
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// Marker hinzufügen von lokale MySQL Datenbank und nicht von APIs
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/* useEffect(() => {
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// Remove old markers
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if (map) {
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map.eachLayer((layer) => {
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if (layer instanceof L.Marker) {
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map.removeLayer(layer);
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}
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});
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// Add new markers
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locations.forEach((location) => {
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const { latitude, longitude } = parsePoint(location.position);
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const marker = L.marker([latitude, longitude], {
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icon: L.icon({
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iconUrl: "/location.svg",
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iconSize: [34, 34],
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iconAnchor: [17, 34],
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popupAnchor: [0, -34],
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}),
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draggable: true,
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id: location.idPoi,
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});
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marker.bindPopup(
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`<b>${location.description || "Unbekannt"}</b><br>Type: ${location.idPoiTyp || "N/A"}<br>Lat: ${latitude.toFixed(5)}, Lng: ${longitude.toFixed(5)}`
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);
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marker.bindTooltip(
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`<div class="bg-white text-black p-2 border border-gray-300 rounded shadow">${location.description}</div>`,
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{ permanent: false, direction: "top" }
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);
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marker.on("dragend", function (e) {
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const newLat = e.target.getLatLng().lat;
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const newLng = e.target.getLatLng().lng;
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const markerId = e.target.options.id;
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updateLocationInDatabase(markerId, newLat, newLng).then(() => {
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onLocationUpdate(markerId, newLat, newLng);
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});
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});
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marker.addTo(map);
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});
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}
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}, [map, locations, onLocationUpdate]); */
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//------------------------------------------
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useEffect(() => {
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// Initialisierung der dbLayer, wenn die Karte verfügbar ist
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if (map && !dbLayerRef.current) {
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dbLayerRef.current = new L.LayerGroup().addTo(map);
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}
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return () => {
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if (map && dbLayerRef.current) {
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// Entfernen der dbLayer bei Unmount
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map.removeLayer(dbLayerRef.current);
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dbLayerRef.current = null;
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}
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};
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}, [map]); // Dieser Effekt läuft nur, wenn sich `map` ändert
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useEffect(() => {
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if (map && dbLayerRef.current) {
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// Sicherstellen, dass die alte dbLayer entfernt wird
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map.removeLayer(dbLayerRef.current);
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dbLayerRef.current = new L.LayerGroup().addTo(map);
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locations.forEach((location) => {
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const { latitude, longitude } = parsePoint(location.position);
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const marker = L.marker([latitude, longitude], {
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icon: L.icon({
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iconUrl: "/location.svg",
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iconSize: [34, 34],
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iconAnchor: [17, 34],
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popupAnchor: [0, -34],
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}),
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draggable: true,
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id: location.idPoi,
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});
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marker.on("dragend", function (e) {
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const newLat = e.target.getLatLng().lat;
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const newLng = e.target.getLatLng().lng;
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const markerId = e.target.options.id;
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updateLocationInDatabase(markerId, newLat, newLng).then(() => {
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onLocationUpdate(markerId, newLat, newLng);
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});
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});
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marker.addTo(dbLayerRef.current);
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});
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}
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}, [map, locations, onLocationUpdate]); // Dieser Effekt läuft, wenn `map`, `locations` oder `onLocationUpdate` sich ändern
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function parsePoint(position) {
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const [longitude, latitude] = position.slice(6, -1).split(" ");
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return { latitude: parseFloat(latitude), longitude: parseFloat(longitude) };
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}
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//-----------------------------------------------------------------
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// TALAS Marker hinzufügen
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//-----------------------------------------------------------------
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