fix: TypeError: Cannot read properties of null (reading 'contextmenu')
- Korrigiert TypeError, der auftrat, wenn versucht wurde, auf `contextmenu` zuzugreifen, während es null war. - Implementiert präzise Zeitmessung mithilfe von `Date.now()`, um das Schließen des Kontextmenüs nach genau 17 Sekunden sicherzustellen. - Verbessert Benutzererfahrung durch zuverlässigere und stabilere Menüverwaltung.
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@@ -103,15 +103,7 @@ const useLineData = (webserviceGisLinesStatusUrl, setLineStatusData) => {
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}
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}
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};
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};
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const scheduleNextFetch = () => {
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if (!isCancelled) {
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fetchData();
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setTimeout(scheduleNextFetch, 20000);
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}
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};
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fetchData();
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fetchData();
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scheduleNextFetch();
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return () => {
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return () => {
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isCancelled = true;
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isCancelled = true;
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@@ -204,25 +204,70 @@ export const setupPolylines = (map, linePositions, lineColors, tooltipContents,
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color: lineColors[`${lineData.idLD}-${lineData.idModul}`] || "#000000",
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color: lineColors[`${lineData.idLD}-${lineData.idModul}`] || "#000000",
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weight: 3,
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weight: 3,
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contextmenu: true,
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contextmenu: true,
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contextmenuInheritItems: false, // Standard-Kontextmenü deaktivieren
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contextmenuItems: [],
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contextmenuItems: [],
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}).addTo(map);
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}).addTo(map);
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// Füge "Stützpunkt hinzufügen" nur hinzu, wenn editMode aktiv ist
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// Füge "Stützpunkt hinzufügen" nur hinzu, wenn editMode aktiv ist
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if (editMode) {
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if (editMode) {
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polyline.options.contextmenuItems.push({
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polyline.options.contextmenuItems.push(
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text: "Stützpunkt hinzufügen",
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{
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icon: "/img/icons/gisLines/add-support-point.svg",
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text: "Station öffnen (Tab)",
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callback: (e) => {
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icon: "/img/screen_new.png",
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if (tempMarker) {
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callback: (e) => {
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tempMarker.remove();
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const link = `${process.env.NEXT_PUBLIC_BASE_URL}cpl.aspx?ver=35&kue=24&id=${lineData.idLD}`;
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}
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window.open(link, "_blank");
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const newPoint = e.latlng;
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},
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const closestPoints = findClosestPoints(lineData.coordinates, newPoint, map);
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insertNewPOI(closestPoints, newPoint, lineData, map);
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redrawPolyline(lineData, lineColors, tooltipContents, map);
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window.location.reload();
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},
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},
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});
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{ separator: true },
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{
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text: "Koordinaten anzeigen",
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icon: "/img/not_listed_location.png",
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callback: (e) => {
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alert("Breitengrad: " + e.latlng.lat.toFixed(5) + "\nLängengrad: " + e.latlng.lng.toFixed(5));
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},
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},
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{ separator: true },
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{
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text: "Reinzoomen",
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icon: "/img/zoom_in.png",
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callback: (e) => map.zoomIn(),
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},
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{
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text: "Rauszoomen",
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icon: "/img/zoom_out.png",
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callback: (e) => map.zoomOut(),
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},
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{
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text: "Hier zentrieren",
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icon: "/img/center_focus.png",
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callback: (e) => map.panTo(e.latlng),
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},
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{ separator: true },
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{
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text: "POI hinzufügen",
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icon: "/img/add_station.png",
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callback: (e) => {
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// Hier kannst du die Logik für das Hinzufügen eines POIs implementieren
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alert("POI hinzufügen an: " + e.latlng);
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},
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},
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{
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text: "Stützpunkt hinzufügen",
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icon: "/img/icons/gisLines/add-support-point.svg",
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callback: (e) => {
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if (tempMarker) {
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tempMarker.remove();
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}
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const newPoint = e.latlng;
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const closestPoints = findClosestPoints(lineData.coordinates, newPoint, map);
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insertNewPOI(closestPoints, newPoint, lineData, map);
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redrawPolyline(lineData, lineColors, tooltipContents, map);
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window.location.reload();
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},
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}
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);
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}
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}
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// Hier wird der Tooltip hinzugefügt
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// Hier wird der Tooltip hinzugefügt
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@@ -232,6 +277,24 @@ export const setupPolylines = (map, linePositions, lineColors, tooltipContents,
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});
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});
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polyline.on("mouseover", (e) => {
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polyline.on("mouseover", (e) => {
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const startTime = Date.now(); // Startzeit erfassen
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localStorage.setItem("contextMenuStartTime", startTime); // Speichern in localStorage
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// Starte einen Intervall-Timer, um die Differenz zu berechnen
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const countdownInterval = setInterval(() => {
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const currentTime = Date.now();
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const elapsedTime = (currentTime - startTime) / 1000; // Differenz in Sekunden
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// Speichern der abgelaufenen Zeit in localStorage
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localStorage.setItem("contextMenuCountdown", elapsedTime);
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// Wenn die Zeit 17 Sekunden erreicht, schließe das Menü
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if (elapsedTime >= 17) {
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clearInterval(countdownInterval);
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const contextMenu = map.contextmenu; // Zugriff auf das Kontextmenü
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contextMenu.hide(); // Kontextmenü schließen
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}
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}, 1000); // Jede Sekunde
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//console.log("Mouseover on polyline", lineData);
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//console.log("Mouseover on polyline", lineData);
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polyline.setStyle({ weight: 14 });
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polyline.setStyle({ weight: 14 });
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const link = `${process.env.NEXT_PUBLIC_BASE_URL}cpl.aspx?ver=35&kue=24&id=${lineData.idLD}`;
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const link = `${process.env.NEXT_PUBLIC_BASE_URL}cpl.aspx?ver=35&kue=24&id=${lineData.idLD}`;
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@@ -243,14 +306,28 @@ export const setupPolylines = (map, linePositions, lineColors, tooltipContents,
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polyline.on("mouseout", (e) => {
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polyline.on("mouseout", (e) => {
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// console.log("Mouseout from polyline", lineData);
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// console.log("Mouseout from polyline", lineData);
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polyline.setStyle({ weight: 3 });
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polyline.setStyle({ weight: 3 });
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// Setze den Countdown auf 0, wenn mouseout ausgelöst wird
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localStorage.setItem("contextMenuCountdown", 0);
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});
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});
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// Speichere den Link bei einem Rechtsklick (Kontextmenü)
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// Speichere den Link bei einem Rechtsklick (Kontextmenü)
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polyline.on("contextmenu", (e) => {
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/*
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polyline.on("contextmenu", (e) => {
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const link = `${process.env.NEXT_PUBLIC_BASE_URL}cpl.aspx?ver=35&kue=24&id=${lineData.idLD}`;
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const link = `${process.env.NEXT_PUBLIC_BASE_URL}cpl.aspx?ver=35&kue=24&id=${lineData.idLD}`;
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console.log("Link der Linie (via Rechtsklick):", link);
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console.log("Link der Linie (via Rechtsklick):", link);
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localStorage.setItem("lastElementType", "polyline");
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localStorage.setItem("lastElementType", "polyline");
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localStorage.setItem("polylineLink", link);
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localStorage.setItem("polylineLink", link);
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});
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});
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*/
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// Starte den Timer zum Schließen des Kontextmenüs nach 15 Sekunden
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polyline.on("contextmenu", function (e) {
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const contextMenu = this._map.contextmenu; // Zugriff auf das Kontextmenü
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const closeMenu = () => contextMenu.hide(); // Funktion zum Schließen des Menüs
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const countdown = parseInt(localStorage.getItem("contextMenuCountdown"), 10);
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if (countdown >= 17) {
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closeMenu();
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}
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});
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polylines.push(polyline);
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polylines.push(polyline);
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markers.push(...lineMarkers);
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markers.push(...lineMarkers);
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