502 lines
15 KiB
JavaScript
502 lines
15 KiB
JavaScript
// components/MapComponent.js
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import React, { useEffect, useRef, useState } from "react";
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import L from "leaflet";
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import "leaflet/dist/leaflet.css";
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import "leaflet-contextmenu/dist/leaflet.contextmenu.css";
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import "leaflet-contextmenu";
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import * as config from "../config/config.js";
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const MapComponent = ({ locations, onLocationUpdate }) => {
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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 [online, setOnline] = useState(navigator.onLine); // Zustand der Internetverbindung
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const [GisStationsStaticDistrict, setGisStationsStaticDistrict] = useState(
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[]
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); // Zustand für statische Daten
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const [dataStatus, setDataStatus] = useState([]); // Zustand für Statusdaten
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const [dataIcons, setDataIcons] = useState([]); // Zustand für Icons
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const [dataSystem, setDataSystem] = useState([]); // Zustand für Systemdaten
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// Konstanten für die URLs
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const mapGisStationsStaticDistrictUrl =
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config.mapGisStationsStaticDistrictUrl;
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const mapDataStatusUrl = config.mapDataStatusUrl;
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const mapDataIconUrl = config.mapDataIconUrl;
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const mapDataSystemUrl = config.mapDataSystemUrl;
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console.log("GisStationsStaticDistrict 1 :", GisStationsStaticDistrict);
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console.log("map:", map);
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//------------------------------------------
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// API-Daten laden für GisStationsStaticDistrict
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//http://10.10.0.13/talas5/ClientData/WebServiceMap.asmx/GisStationsStaticDistrict?idMap=10&idUser=485
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useEffect(() => {
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const fetchData = async () => {
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try {
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console.log("Datenabruf gestartet...");
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const response = await fetch(config.mapGisStationsStaticDistrictUrl);
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const jsonResponse = await response.json();
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// Prüfen, ob die Antwort das erwartete Format hat und Daten enthält
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if (jsonResponse && jsonResponse.Points) {
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console.log(
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"GisStationsStaticDistrict geladen:",
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jsonResponse.Points
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);
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setGisStationsStaticDistrict(jsonResponse.Points); // Direkter Zugriff auf 'Points'
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} else {
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console.error(
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'Erwartete Daten im "Points"-Array nicht gefunden',
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jsonResponse
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);
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setGisStationsStaticDistrict([]);
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}
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} catch (error) {
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console.error("Fehler beim Laden der Daten: ", error);
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setGisStationsStaticDistrict([]);
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}
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};
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fetchData();
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}, []); // Dependency-Array ist leer, um den Effekt nur beim Mount auszuführen
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//------------------------------------------
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useEffect(() => {
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// Prüfen der Internetverbindung beim Start
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console.log("Prüfen der Internetverbindung...");
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checkInternet();
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// Asynchrones Laden der Kartendaten beim Initialisieren der Komponente
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const fetchData = async () => {
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try {
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console.log("Datenabruf gestartet...");
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const responses = await Promise.all([
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fetch(config.mapGisStationsStaticDistrictUrl).then((res) =>
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res.json()
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),
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fetch(config.mapDataStatusUrl).then((res) => res.json()),
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fetch(config.mapDataIconUrl).then((res) => res.json()),
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fetch(config.mapDataSystemUrl).then((res) => res.json()),
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]);
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console.log("Daten erfolgreich geladen.");
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setGisStationsStaticDistrict(responses[0].Points);
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setDataStatus(responses[1].Statis);
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setDataIcons(responses[2].List);
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setDataSystem(
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responses[3].Systems.filter((system) => system.Allow === 1)
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);
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} catch (error) {
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console.error("Fehler beim Laden der Daten: ", error);
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}
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};
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fetchData();
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}, []); // Leeres Abhängigkeitsarray, um nur beim ersten Mount zu laden
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const offlineTileLayer = "../TileMap/mapTiles/{z}/{x}/{y}.png";
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const onlineTileLayer = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png";
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// Create map layers
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const TALAS = new L.layerGroup();
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const ECI = new L.layerGroup();
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const ULAF = new L.layerGroup();
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const GSMModem = new L.layerGroup();
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const CiscoRouter = new L.layerGroup();
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const WAGO = new L.layerGroup();
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const Siemens = new L.layerGroup();
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const OTDR = new L.layerGroup();
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const WDM = new L.layerGroup();
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const GMA = new L.layerGroup();
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const Sonstige = new L.layerGroup();
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const TALASICL = new L.layerGroup();
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let initialMap = [];
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useEffect(() => {
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console.log("Server URL from config:", config.serverURL);
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if (typeof window !== "undefined") {
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console.log("Window height from config:", config.windowHeight);
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}
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}, []);
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// Funktionen zur Überwachung der Internetverbindung
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const checkInternet = () => {
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console.log("Checking internet connectivity...");
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fetch("https://tile.openstreetmap.org/1/1/1.png", { method: "HEAD" })
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.then((response) => setOnline(response.ok))
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.catch(() => setOnline(false));
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};
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// Initialisiere die Karte
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useEffect(() => {
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if (mapRef.current && !map) {
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initialMap = L.map(mapRef.current, {
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center: [53.111111, 8.4625],
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zoom: 10,
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layers: [
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TALAS,
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ECI,
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ULAF,
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GSMModem,
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CiscoRouter,
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WAGO,
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Siemens,
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OTDR,
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WDM,
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GMA,
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Sonstige,
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TALASICL,
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],
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zoomControl: false, // Deaktiviere die Standard-Zoomsteuerung
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contextmenu: true,
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contextmenuItems: [
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{ text: "Station hinzufügen", callback: showAddStationPopup },
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{
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text: "Station öffnen (Tab)",
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icon: "img/screen_new.png",
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callback: newLink,
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},
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{
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text: "Station öffnen",
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icon: "img/screen_same.png",
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callback: sameLink,
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},
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{
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text: "Koordinaten",
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icon: "img/screen_same.png",
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callback: lata,
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},
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"-", // Divider
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{ text: "Reinzoomen", callback: zoomIn },
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{ text: "Rauszoomen", callback: zoomOut },
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{ text: "Hier zentrieren", callback: centerHere },
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],
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});
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L.tileLayer(online ? onlineTileLayer : offlineTileLayer, {
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attribution:
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'© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
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}).addTo(initialMap);
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setMap(initialMap);
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}
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}, [mapRef, map]);
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// Handle online/offline status
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useEffect(() => {
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window.addEventListener("online", checkInternet);
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window.addEventListener("offline", checkInternet);
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return () => {
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window.removeEventListener("online", checkInternet);
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window.removeEventListener("offline", checkInternet);
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};
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}, []);
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// Update map layers based on online status
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useEffect(() => {
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if (map) {
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const newLayer = L.tileLayer(
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online ? onlineTileLayer : offlineTileLayer,
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{
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minZoom: 7,
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maxZoom: online ? 19 : 14,
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attribution:
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'Map data © <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
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}
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);
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map.eachLayer((layer) => {
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if (layer instanceof L.TileLayer) {
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map.removeLayer(layer);
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}
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});
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newLayer.addTo(map);
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}
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}, [online, map]);
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// Marker handling
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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.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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function parsePoint(pointString) {
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const match = pointString.match(
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/POINT\s*\((\d+(\.\d+)?)\s+(\d+(\.\d+)?)\)/
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);
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if (match) {
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return {
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longitude: parseFloat(match[1]),
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latitude: parseFloat(match[3]), // Achtung: Index 3 für die zweite Koordinate, wegen der Gruppe (\.\d+)?
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};
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} else {
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// Handle the error or return a default/fallback value
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console.error("Invalid POINT format:", pointString);
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return null; // Oder eine sinnvolle Standardantwort
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}
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}
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//----------------------------------
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//-----Kontextmenu----------------
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const newLink = (e) => {
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try {
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if (!e.relatedTarget || !e.relatedTarget.options) {
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throw new Error("relatedTarget or options not defined");
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}
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alert("Neues Fenster: " + e.relatedTarget.options.test);
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window
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.open(`../devices/${e.relatedTarget.options.test}`, "_blank")
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.focus();
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} catch (error) {
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console.error("Failed in newLink function:", error);
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}
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};
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const sameLink = (e) => {
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alert(e.relatedTarget.options.test);
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window
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.open("../devices/" + e.relatedTarget.options.test, "_parent")
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.focus();
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};
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const lata = (e) => {
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alert("Breitengrad: " + e.latlng.lat);
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};
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const zoomIn = (e) => {
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initialMap.flyTo(e.latlng, 12);
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};
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const zoomOut = (e) => {
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fly();
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};
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const centerHere = (e) => {
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initialMap.panTo(e.latlng);
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};
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const showCoordinates = (e) => {
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alert("Breitengrad: " + e.latlng.lat + "\nLängengrad: " + e.latlng.lng);
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};
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const showData = (e) => {
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console.log(e);
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};
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const showTalas = (e) => {
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map.addLayer(TALAS);
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loadData();
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};
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const hideTalas = (e) => {
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map.removeLayer(TALAS);
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loadData();
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};
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const showGSM = (e) => {
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map.addLayer(GMA);
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loadData();
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};
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const hideGSM = (e) => {
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map.removeLayer(GMA);
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loadData();
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};
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//-----Kontextmenu----ende------------
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// Ensure this function is only called when map is initialized and available
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const showAddStationPopup = (e) => {
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if (!initialMap) {
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console.log("Map is not initialized.");
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return;
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}
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const popupContent = L.DomUtil.create("div");
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popupContent.innerHTML = `
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<form id="addStationForm" class="m-0 p-2 w-full">
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<div class="flex items-center mb-4">
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<label for="name" class="block mr-2 flex-none">Name:</label>
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<input
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type="text"
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id="name"
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name="name"
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placeholder="Name der Station"
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class="block p-2 flex-grow border-2 border-gray-200 rounded-md text-sm"
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/>
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</div>
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<div class="flex items-center mb-4">
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<label for="type" class="block mr-3 flex-none">Type:</label>
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<input
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type="text"
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id="type"
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name="type"
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placeholder="Typ der Station"
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class="block p-2 flex-grow border-2 border-gray-200 rounded-md text-sm"
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/>
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</div>
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<div class="flex items-center mb-4">
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<label for="lat" class="block mr-2 flex-none">Breitengrad:</label>
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<input
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type="text"
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id="lat"
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name="lat"
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value="${e.latlng.lat.toFixed(5)}"
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readonly
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class="block p-2 flex-grow border-2 border-gray-200 rounded-md text-sm"
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/>
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</div>
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<div class="flex items-center mb-4">
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<label for="lng" class="block mr-2 flex-none">Längengrad:</label>
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<input
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type="text"
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id="lng"
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name="lng"
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value="${e.latlng.lng.toFixed(5)}"
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readonly
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class="block p-2 flex-grow border-2 border-gray-200 rounded-md text-sm"
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/>
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</div>
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<button
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type="submit"
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class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded w-full"
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>
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Station hinzufügen
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</button>
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</form>
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`;
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L.popup().setLatLng(e.latlng).setContent(popupContent).openOn(initialMap);
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// Attach event listener here
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L.DomEvent.on(popupContent, "submit", handleSubmit);
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};
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/*
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const handleSubmit = (event) => {
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event.preventDefault();
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const form = event.target;
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const data = {
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name: form.name.value,
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type: form.type.value,
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latitude: form.lat.value,
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longitude: form.lng.value,
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};
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onAddLocation(name, type, lat, lng);
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console.log("Name: ", name, "Type: ", type, "Lat: ", lat, "Lng: ", lng);
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map.closePopup();
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};
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*/
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// Funktion zum Hinzufügen eines neuen Standorts
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async function handleSubmit(event) {
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event.preventDefault();
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const form = event.target;
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const data = {
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name: form.name.value,
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type: form.type.value,
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latitude: form.lat.value,
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longitude: form.lng.value,
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};
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try {
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const response = await fetch("/api/addLocation", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify(data),
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});
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const result = await response.json();
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if (response.ok) {
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console.log("Standort hinzugefügt:", result);
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alert("Standort erfolgreich hinzugefügt!");
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form.reset(); // Formular zurücksetzen
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// Hier könntest du weitere Aktionen durchführen, wie das Schließen des Popups oder das Aktualisieren der Marker auf der Karte
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} else {
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throw new Error(
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result.error || "Ein unbekannter Fehler ist aufgetreten."
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);
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}
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} catch (error) {
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console.error("Fehler beim Hinzufügen des Standorts:", error);
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alert(error.message);
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}
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}
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function fly(stationValue) {
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var x = 51.41321407879154;
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var y = 7.739617925303934;
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var zoom = 7;
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/* for (var i = 0; i < GisStationsStaticDistrictlength; i++) {
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var gisStatics = GisStationsStaticDistrict[i];
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if (stationValue === gisStatics.Area_Name) {
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//console.log(gisStatics.X+","+gisStatics.Y);
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x = gisStatics.X;
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y = gisStatics.Y;
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}
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}
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if (y === 7.739617925303934) {
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zoom = 8;
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} */
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initialMap.flyTo([x, y], zoom);
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/* var popup = new L.Popup();
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oms.addListener("click", function (marker) {
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popup.setContent(marker.desc);
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popup.setLatLng(marker.getLatLng());
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map.openPopup(popup);
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});
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for (var i = 0; i < window.mapData.length; i++) {
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var datum = window.mapData[i];
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var loc = new L.LatLng(datum.lat, datum.lon);
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var marker = new L.Marker(loc);
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marker.desc = datum.d;
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map.addLayer(marker);
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//oms.addMarker(marker); // <-- here
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} */
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}
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return (
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<div
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id="map"
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ref={mapRef}
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style={{ height: "100vh", width: "100vw", overflow: "hidden" }}
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></div>
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);
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};
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export default MapComponent;
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