mirror of
https://github.com/gpxstudio/gpx.studio.git
synced 2025-09-05 01:42:54 +00:00
move routing files
This commit is contained in:
vcoppe
@@ -0,0 +1,447 @@
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import { distance, type Coordinates, type GPXFile, type TrackSegment, TrackPoint } from "gpx";
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import { get, type Writable } from "svelte/store";
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import { computeAnchorPoints, type SimplifiedTrackPoint } from "./Simplify";
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import mapboxgl from "mapbox-gl";
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import { route } from "./Routing";
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import { applyToFileElement } from "$lib/stores";
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import { toast } from "svelte-sonner";
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import { _ } from "svelte-i18n";
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export class RoutingControls {
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map: mapboxgl.Map;
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file: Writable<GPXFile>;
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markers: mapboxgl.Marker[] = [];
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shownMarkers: mapboxgl.Marker[] = [];
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popup: mapboxgl.Popup;
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popupElement: HTMLElement;
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temporaryAnchor: SimplifiedTrackPoint;
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unsubscribe: () => void = () => { };
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toggleMarkersForZoomLevelAndBoundsBinded: () => void = this.toggleMarkersForZoomLevelAndBounds.bind(this);
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showTemporaryAnchorBinded: (e: any) => void = this.showTemporaryAnchor.bind(this);
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hideTemporaryAnchorBinded: (e: any) => void = this.hideTemporaryAnchor.bind(this);
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appendAnchorBinded: (e: mapboxgl.MapMouseEvent) => void = this.appendAnchor.bind(this);
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constructor(map: mapboxgl.Map, file: Writable<GPXFile>, popup: mapboxgl.Popup, popupElement: HTMLElement) {
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this.map = map;
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this.file = file;
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this.popup = popup;
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this.popupElement = popupElement;
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this.temporaryAnchor = {
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point: new TrackPoint({
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attributes: {
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lon: 0,
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lat: 0
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}
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}),
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zoom: 0
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};
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this.createMarker(this.temporaryAnchor);
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let marker = this.markers.pop(); // Remove the temporary anchor from the markers list
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marker.getElement().classList.remove('z-10'); // Show below the other markers
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Object.defineProperty(marker, '_temporary', {
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value: true
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});
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this.add();
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}
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add() {
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this.map.on('zoom', this.toggleMarkersForZoomLevelAndBoundsBinded);
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this.map.on('move', this.toggleMarkersForZoomLevelAndBoundsBinded);
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this.map.on('click', this.appendAnchorBinded);
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this.map.on('mousemove', get(this.file)._data.layerId, this.showTemporaryAnchorBinded);
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this.unsubscribe = this.file.subscribe(this.updateControls.bind(this));
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}
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updateControls() { // Update the markers when the file changes
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for (let segment of get(this.file).getSegments()) {
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if (!segment._data.anchors) { // New segment, create anchors for it
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computeAnchorPoints(segment);
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this.createMarkers(segment);
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continue;
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}
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let anchors = segment._data.anchors;
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for (let i = 0; i < anchors.length;) {
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let anchor = anchors[i];
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if (anchor.point._data.index >= segment.trkpt.length || anchor.point !== segment.trkpt[anchor.point._data.index]) { // Point does not exist anymore, remove the anchor
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anchors.splice(i, 1);
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this.markers[i].remove();
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this.markers.splice(i, 1);
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continue;
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}
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i++;
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}
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}
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this.toggleMarkersForZoomLevelAndBounds();
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}
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remove() {
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for (let marker of this.markers) {
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marker.remove();
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}
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this.map.off('zoom', this.toggleMarkersForZoomLevelAndBoundsBinded);
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this.map.off('move', this.toggleMarkersForZoomLevelAndBoundsBinded);
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this.map.off('click', this.appendAnchorBinded);
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this.map.off('mousemove', get(this.file)._data.layerId, this.showTemporaryAnchorBinded);
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this.map.off('mousemove', this.hideTemporaryAnchorBinded);
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this.unsubscribe();
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}
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createMarkers(segment: TrackSegment) {
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for (let anchor of segment._data.anchors) {
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this.createMarker(anchor);
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}
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}
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createMarker(anchor: SimplifiedTrackPoint) {
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let element = document.createElement('div');
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element.className = `h-3 w-3 rounded-full bg-white border-2 border-black cursor-pointer`;
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let marker = new mapboxgl.Marker({
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draggable: true,
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className: 'z-10',
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element
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}).setLngLat(anchor.point.getCoordinates());
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Object.defineProperty(marker, '_simplified', {
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value: anchor
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});
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anchor.marker = marker;
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let lastDragEvent = 0;
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marker.on('dragstart', (e) => {
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lastDragEvent = Date.now();
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this.map.getCanvas().style.cursor = 'grabbing';
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element.classList.add('cursor-grabbing');
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});
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marker.on('dragend', () => {
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lastDragEvent = Date.now();
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this.map.getCanvas().style.cursor = '';
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element.classList.remove('cursor-grabbing');
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});
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marker.on('dragend', this.moveAnchor.bind(this));
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marker.getElement().addEventListener('click', (e) => {
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if (Date.now() - lastDragEvent < 100) { // Prevent click event during drag
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return;
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}
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marker.setPopup(this.popup);
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marker.togglePopup();
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e.stopPropagation();
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let deleteThisAnchor = this.getDeleteAnchor(anchor);
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this.popupElement.addEventListener('delete', deleteThisAnchor); // Register the delete event for this anchor
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this.popup.once('close', () => {
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this.popupElement.removeEventListener('delete', deleteThisAnchor);
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});
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});
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this.markers.push(marker);
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}
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toggleMarkersForZoomLevelAndBounds() { // Show markers only if they are in the current zoom level and bounds
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this.shownMarkers.splice(0, this.shownMarkers.length);
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let zoom = this.map.getZoom();
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this.markers.forEach((marker) => {
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Object.defineProperty(marker, '_inZoom', {
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value: marker._simplified.zoom <= zoom,
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writable: true
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});
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if (marker._inZoom && this.map.getBounds().contains(marker.getLngLat())) {
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marker.addTo(this.map);
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this.shownMarkers.push(marker);
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} else {
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marker.remove();
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}
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});
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}
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showTemporaryAnchor(e: any) {
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if (!this.temporaryAnchor.marker) {
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return;
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}
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if (this.temporaryAnchorCloseToOtherAnchor(e)) {
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return;
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}
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this.temporaryAnchor.point.setCoordinates({
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lat: e.lngLat.lat,
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lon: e.lngLat.lng
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});
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this.temporaryAnchor.marker.setLngLat(this.temporaryAnchor.point.getCoordinates()).addTo(this.map);
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this.map.on('mousemove', this.hideTemporaryAnchorBinded);
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}
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hideTemporaryAnchor(e: any) {
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if (!this.temporaryAnchor.marker) {
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return;
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}
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if (this.temporaryAnchor.marker.getElement().classList.contains('cursor-grabbing')) { // Do not hide if it is being dragged, and stop listening for mousemove
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this.map.off('mousemove', this.hideTemporaryAnchorBinded);
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return;
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}
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if (e.point.dist(this.map.project(this.temporaryAnchor.point.getCoordinates())) > 20 || this.temporaryAnchorCloseToOtherAnchor(e)) { // Hide if too far from the layer
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this.temporaryAnchor.marker.remove();
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this.map.off('mousemove', this.hideTemporaryAnchorBinded);
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return;
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}
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this.temporaryAnchor.marker.setLngLat(e.lngLat); // Update the position of the temporary anchor
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}
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temporaryAnchorCloseToOtherAnchor(e: any) {
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for (let marker of this.shownMarkers) {
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if (marker === this.temporaryAnchor.marker) {
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continue;
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}
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if (e.point.dist(this.map.project(marker.getLngLat())) < 10) {
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return true;
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}
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}
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return false;
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}
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async moveAnchor(e: any) { // Move the anchor and update the route from and to the neighbouring anchors
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let marker = e.target;
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let anchor = marker._simplified;
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if (marker._temporary) { // Temporary anchor, need to find the closest point of the segment and create an anchor for it
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marker.remove();
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anchor = this.getPermanentAnchor(anchor);
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marker = anchor.marker;
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}
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let latlng = marker.getLngLat();
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let coordinates = {
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lat: latlng.lat,
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lon: latlng.lng
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};
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let [previousAnchor, nextAnchor] = this.getNeighbouringAnchors(anchor);
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let anchors = [];
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let targetCoordinates = [];
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if (previousAnchor !== null) {
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anchors.push(previousAnchor);
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targetCoordinates.push(previousAnchor.point.getCoordinates());
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}
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anchors.push(anchor);
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targetCoordinates.push(coordinates);
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if (nextAnchor !== null) {
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anchors.push(nextAnchor);
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targetCoordinates.push(nextAnchor.point.getCoordinates());
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}
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let success = await this.routeBetweenAnchors(anchors, targetCoordinates);
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if (!success) { // Route failed, revert the anchor to the previous position
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marker.setLngLat(anchor.point.getCoordinates());
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}
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}
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getPermanentAnchor(anchor: SimplifiedTrackPoint) {
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// Find the closest point closest to the temporary anchor
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let minDistance = Number.MAX_VALUE;
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let minPoint: TrackPoint | null = null;
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for (let segment of get(this.file).getSegments()) {
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for (let point of segment.trkpt) {
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let dist = distance(point.getCoordinates(), anchor.point.getCoordinates());
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if (dist < minDistance) {
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minDistance = dist;
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minPoint = point;
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}
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}
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}
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if (!minPoint) {
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return anchor;
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}
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let segment = minPoint._data.segment;
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let newAnchorIndex = segment._data.anchors.findIndex((a) => a.point._data.index >= minPoint._data.index);
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if (segment._data.anchors[newAnchorIndex].point._data.index === minPoint._data.index) { // Anchor already exists for this point
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return segment._data.anchors[newAnchorIndex];
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}
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let newAnchor = {
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point: minPoint,
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zoom: 0
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};
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this.createMarker(newAnchor);
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let marker = this.markers.pop();
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marker?.setLngLat(anchor.marker.getLngLat()).addTo(this.map);
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segment._data.anchors.splice(newAnchorIndex, 0, newAnchor);
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this.markers.splice(newAnchorIndex, 0, marker);
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return newAnchor;
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}
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getDeleteAnchor(anchor: SimplifiedTrackPoint) {
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return () => this.deleteAnchor(anchor);
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}
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async deleteAnchor(anchor: SimplifiedTrackPoint) { // Remove the anchor and route between the neighbouring anchors if they exist
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let [previousAnchor, nextAnchor] = this.getNeighbouringAnchors(anchor);
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if (previousAnchor === null) {
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// remove trackpoints until nextAnchor
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} else if (nextAnchor === null) {
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// remove trackpoints from previousAnchor
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} else {
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// route between previousAnchor and nextAnchor
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this.routeBetweenAnchors([previousAnchor, nextAnchor], [previousAnchor.point.getCoordinates(), nextAnchor.point.getCoordinates()]);
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}
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}
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async appendAnchor(e: mapboxgl.MapMouseEvent) { // Add a new anchor to the end of the last segment
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let segments = get(this.file).getSegments();
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if (segments.length === 0) {
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return;
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}
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let segment = segments[segments.length - 1];
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let anchors = segment._data.anchors;
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let lastAnchor = anchors[anchors.length - 1];
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let newPoint = new TrackPoint({
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attributes: {
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lon: e.lngLat.lng,
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lat: e.lngLat.lat
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}
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});
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newPoint._data.index = segment.trkpt.length - 1; // Do as if the point was the last point in the segment
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newPoint._data.segment = segment;
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let newAnchor = {
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point: newPoint,
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zoom: 0
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};
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this.createMarker(newAnchor);
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segment._data.anchors.push(newAnchor);
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if (!lastAnchor) {
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applyToFileElement(this.file, segment, (segment) => {
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segment.replace(0, 0, [newPoint]);
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}, true);
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return;
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}
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let success = await this.routeBetweenAnchors([lastAnchor, newAnchor], [lastAnchor.point.getCoordinates(), newAnchor.point.getCoordinates()]);
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if (!success) { // Route failed, remove the anchor
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segment._data.anchors.pop();
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this.markers.pop()?.remove();
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}
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}
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getNeighbouringAnchors(anchor: SimplifiedTrackPoint): [SimplifiedTrackPoint | null, SimplifiedTrackPoint | null] {
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let previousAnchor: SimplifiedTrackPoint | null = null;
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let nextAnchor: SimplifiedTrackPoint | null = null;
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let segment = anchor.point._data.segment;
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let anchors = segment._data.anchors;
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for (let i = 0; i < anchors.length; i++) {
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if (anchors[i].point._data.index < anchor.point._data.index &&
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anchors[i].point._data.segment === anchor.point._data.segment &&
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anchors[i].marker._inZoom) {
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if (!previousAnchor || anchors[i].point._data.index > previousAnchor.point._data.index) {
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previousAnchor = anchors[i];
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}
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} else if (anchors[i].point._data.index > anchor.point._data.index &&
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anchors[i].point._data.segment === anchor.point._data.segment &&
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anchors[i].marker._inZoom) {
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if (!nextAnchor || anchors[i].point._data.index < nextAnchor.point._data.index) {
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nextAnchor = anchors[i];
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}
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}
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}
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return [previousAnchor, nextAnchor];
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}
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async routeBetweenAnchors(anchors: SimplifiedTrackPoint[], targetCoordinates: Coordinates[]): Promise<boolean> {
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if (anchors.length === 1) {
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anchors[0].point.setCoordinates(targetCoordinates[0]);
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return true;
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}
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let segment = anchors[0].point._data.segment;
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let response: TrackPoint[];
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try {
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response = await route(targetCoordinates);
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} catch (e) {
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if (e.message.includes('from-position not mapped in existing datafile')) {
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toast.error(get(_)("toolbar.routing.error.from"));
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} else if (e.message.includes('via1-position not mapped in existing datafile')) {
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toast.error(get(_)("toolbar.routing.error.via"));
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} else if (e.message.includes('to-position not mapped in existing datafile')) {
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toast.error(get(_)("toolbar.routing.error.to"));
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} else if (e.message.includes('Time-out')) {
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toast.error(get(_)("toolbar.routing.error.timeout"));
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} else {
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toast.error(e.message);
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}
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return false;
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}
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let start = anchors[0].point._data.index + 1;
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let end = anchors[anchors.length - 1].point._data.index - 1;
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if (anchors[0].point._data.index === 0) { // First anchor is the first point of the segment
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anchors[0].point = response[0]; // Update the first anchor in case it was not on a road
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start--; // Remove the original first point
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}
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if (anchors[anchors.length - 1].point._data.index === anchors[anchors.length - 1].point._data.segment.trkpt.length - 1) { // Last anchor is the last point of the segment
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anchors[anchors.length - 1].point = response[response.length - 1]; // Update the last anchor in case it was not on a road
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end++; // Remove the original last point
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}
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for (let i = 1; i < anchors.length - 1; i++) {
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// Find the closest point to the intermediate anchor
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// and transfer the marker to that point
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let minDistance = Number.MAX_VALUE;
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let minIndex = 0;
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for (let j = 1; j < response.length - 1; j++) {
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let dist = distance(response[j].getCoordinates(), targetCoordinates[i]);
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if (dist < minDistance) {
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minDistance = dist;
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minIndex = j;
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}
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}
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anchors[i].point = response[minIndex];
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}
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anchors.forEach((anchor) => {
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anchor.zoom = 0; // Make these anchors permanent
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anchor.marker.setLngLat(anchor.point.getCoordinates()); // Update the marker position if needed
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});
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applyToFileElement(this.file, segment, (segment) => {
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segment.replace(start, end, response);
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}, true);
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return true;
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}
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}
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