fix mounting and destroying issues

website/src/lib/components/embedding/Embedding.svelte

@@ -3,11 +3,18 @@
 	import ElevationProfile from '$lib/components/ElevationProfile.svelte';
 	import FileList from '$lib/components/file-list/FileList.svelte';
 	import GPXStatistics from '$lib/components/GPXStatistics.svelte';
-	import MapComponent from '$lib/components/Map.svelte';
+	import Map from '$lib/components/Map.svelte';
 	import LayerControl from '$lib/components/layer-control/LayerControl.svelte';
 	import OpenIn from '$lib/components/embedding/OpenIn.svelte';
 
-	import { gpxStatistics, slicedGPXStatistics, embedding, loadFile, map } from '$lib/stores';
+	import {
+		gpxStatistics,
+		slicedGPXStatistics,
+		embedding,
+		loadFile,
+		map,
+		updateGPXData
+	} from '$lib/stores';
 	import { onDestroy, onMount } from 'svelte';
 	import { fileObservers, settings, GPXStatisticsTree } from '$lib/db';
 	import { readable } from 'svelte/store';
@@ -167,6 +174,10 @@
 		applyOptions();
 	}
 
+	$: if ($fileOrder) {
+		updateGPXData();
+	}
+
 	onDestroy(() => {
 		if ($distanceMarkers !== prevSettings.distanceMarkers) {
 			$distanceMarkers = prevSettings.distanceMarkers;
@@ -194,7 +205,7 @@
 
 <div class="absolute flex flex-col h-full w-full border rounded-xl overflow-clip">
 	<div class="grow relative">
-		<MapComponent
+		<Map
 			class="h-full {$fileObservers.size > 1 ? 'horizontal' : ''}"
 			accessToken={options.token}
 			geocoder={false}

website/src/lib/components/gpx-layer/DistanceMarkers.ts

@@ -9,13 +9,14 @@ const { distanceMarkers, distanceUnits, currentBasemap } = settings;
 export class DistanceMarkers {
     map: mapboxgl.Map;
     updateBinded: () => void = this.update.bind(this);
+    unsubscribes: (() => void)[] = [];
 
     constructor(map: mapboxgl.Map) {
         this.map = map;
 
-        gpxStatistics.subscribe(this.updateBinded);
+        this.unsubscribes.push(gpxStatistics.subscribe(this.updateBinded));
-        distanceMarkers.subscribe(this.updateBinded);
+        this.unsubscribes.push(distanceMarkers.subscribe(this.updateBinded));
-        distanceUnits.subscribe(this.updateBinded);
+        this.unsubscribes.push(distanceUnits.subscribe(this.updateBinded));
         this.map.on('style.load', this.updateBinded);
     }
 
@@ -61,6 +62,10 @@ export class DistanceMarkers {
         }
     }
 
+    remove() {
+        this.unsubscribes.forEach(unsubscribe => unsubscribe());
+    }
+
     getDistanceMarkersGeoJSON(): GeoJSON.FeatureCollection {
         let statistics = get(gpxStatistics);
 

website/src/lib/components/gpx-layer/GPXLayer.ts

@@ -1,4 +1,4 @@
-import { currentTool, Tool } from "$lib/stores";
+import { currentTool, map, Tool } from "$lib/stores";
 import { settings, type GPXFileWithStatistics, dbUtils } from "$lib/db";
 import { get, type Readable } from "svelte/store";
 import mapboxgl from "mapbox-gl";
@@ -259,7 +259,14 @@ export class GPXLayer {
         });
     }
 
+    updateMap(map: mapboxgl.Map) {
+        this.map = map;
+        this.map.on('style.load', this.updateBinded);
+        this.update();
+    }
+
     remove() {
+        if (get(map)) {
             this.map.off('click', this.fileId, this.layerOnClickBinded);
             this.map.off('mouseenter', this.fileId, this.layerOnMouseEnterBinded);
             this.map.off('mouseleave', this.fileId, this.layerOnMouseLeaveBinded);
@@ -274,6 +281,7 @@ export class GPXLayer {
             if (this.map.getSource(this.fileId)) {
                 this.map.removeSource(this.fileId);
             }
+        }
 
         this.markers.forEach((marker) => {
             marker.remove();

website/src/lib/components/gpx-layer/GPXLayers.svelte

@@ -5,9 +5,10 @@
 	import { fileObservers } from '$lib/db';
 	import { DistanceMarkers } from './DistanceMarkers';
 	import { StartEndMarkers } from './StartEndMarkers';
+	import { onDestroy } from 'svelte';
 
-	let distanceMarkers: DistanceMarkers;
+	let distanceMarkers: DistanceMarkers | undefined = undefined;
-	let startEndMarkers: StartEndMarkers;
+	let startEndMarkers: StartEndMarkers | undefined = undefined;
 
 	$: if ($map && $fileObservers) {
 		// remove layers for deleted files
@@ -15,6 +16,8 @@
 			if (!$fileObservers.has(fileId)) {
 				layer.remove();
 				gpxLayers.delete(fileId);
+			} else if ($map !== layer.map) {
+				layer.updateMap($map);
 			}
 		});
 		// add layers for new files
@@ -26,9 +29,30 @@
 	}
 
 	$: if ($map) {
+		if (distanceMarkers) {
+			distanceMarkers.remove();
+		}
+		if (startEndMarkers) {
+			startEndMarkers.remove();
+		}
 		distanceMarkers = new DistanceMarkers($map);
 		startEndMarkers = new StartEndMarkers($map);
 	}
+
+	onDestroy(() => {
+		gpxLayers.forEach((layer) => layer.remove());
+		gpxLayers.clear();
+
+		if (distanceMarkers) {
+			distanceMarkers.remove();
+			distanceMarkers = undefined;
+		}
+
+		if (startEndMarkers) {
+			startEndMarkers.remove();
+			startEndMarkers = undefined;
+		}
+	});
 </script>
 
 <WaypointPopup />

website/src/lib/components/gpx-layer/StartEndMarkers.ts

@@ -7,6 +7,7 @@ export class StartEndMarkers {
     start: mapboxgl.Marker;
     end: mapboxgl.Marker;
     updateBinded: () => void = this.update.bind(this);
+    unsubscribes: (() => void)[] = [];
 
     constructor(map: mapboxgl.Map) {
         this.map = map;
@@ -20,9 +21,9 @@ export class StartEndMarkers {
         this.start = new mapboxgl.Marker({ element: startElement });
         this.end = new mapboxgl.Marker({ element: endElement });
 
-        gpxStatistics.subscribe(this.updateBinded);
+        this.unsubscribes.push(gpxStatistics.subscribe(this.updateBinded));
-        slicedGPXStatistics.subscribe(this.updateBinded);
+        this.unsubscribes.push(slicedGPXStatistics.subscribe(this.updateBinded));
-        currentTool.subscribe(this.updateBinded);
+        this.unsubscribes.push(currentTool.subscribe(this.updateBinded));
     }
 
     update() {
@@ -36,4 +37,11 @@ export class StartEndMarkers {
             this.end.remove();
         }
     }
+
+    remove() {
+        this.unsubscribes.forEach(unsubscribe => unsubscribe());
+
+        this.start.remove();
+        this.end.remove();
+    }
 }

website/src/lib/components/toolbar/tools/routing/Routing.svelte

@@ -54,15 +54,14 @@
 				if (selectedItem && selectedItem.getFileId() === fileId) {
 					selectedItem = null;
 				}
+			} else if ($map !== controls.map) {
+				controls.updateMap($map);
 			}
 		});
 		// add controls for new files
 		$fileObservers.forEach((file, fileId) => {
 			if (!routingControls.has(fileId)) {
-				routingControls.set(
+				routingControls.set(fileId, new RoutingControls($map, fileId, file, popup, popupElement));
-					fileId,
-					new RoutingControls(get(map), fileId, file, popup, popupElement)
-				);
 			}
 		});
 	}
@@ -92,6 +91,9 @@
 
 	onDestroy(() => {
 		$map?.off('click', createFileWithPoint);
+
+		routingControls.forEach((controls) => controls.destroy());
+		routingControls.clear();
 	});
 </script>
 

website/src/lib/components/toolbar/tools/routing/RoutingControls.ts

@@ -135,6 +135,10 @@ export class RoutingControls {
         this.fileUnsubscribe();
     }
 
+    updateMap(map: mapboxgl.Map) {
+        this.map = map;
+    }
+
     createAnchor(point: TrackPoint, segment: TrackSegment, trackIndex: number, segmentIndex: number): AnchorWithMarker {
         let element = document.createElement('div');
         element.className = `h-3 w-3 rounded-full bg-white border-2 border-black cursor-pointer`;

website/src/lib/stores.ts

@@ -20,7 +20,7 @@ export const selectFiles = writable<{ [key: string]: (fileId?: string) => void }
 export const gpxStatistics: Writable<GPXStatistics> = writable(new GPXStatistics());
 export const slicedGPXStatistics: Writable<[GPXStatistics, number, number] | undefined> = writable(undefined);
 
-function updateGPXData() {
+export function updateGPXData() {
     let statistics = new GPXStatistics();
     applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
         let stats = getStatistics(fileId);