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

460 lines
18 KiB
TypeScript

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";
import { currentPopupWaypoint, deleteWaypoint, waypointPopup } from "./WaypointPopup";
import { addSelectItem, selectItem, selection } from "$lib/components/file-list/Selection";
import { ListTrackSegmentItem, ListWaypointItem, ListWaypointsItem, ListTrackItem, ListFileItem, ListRootItem } from "$lib/components/file-list/FileList";
import type { Waypoint } from "gpx";
import { getElevation, resetCursor, setGrabbingCursor, setPointerCursor, setScissorsCursor } from "$lib/utils";
import { selectedWaypoint } from "$lib/components/toolbar/tools/Waypoint.svelte";
import { MapPin, Square } from "lucide-static";
import { getSymbolKey, symbols } from "$lib/assets/symbols";
const colors = [
'#ff0000',
'#0000ff',
'#46e646',
'#00ccff',
'#ff9900',
'#ff00ff',
'#ffff32',
'#288228',
'#9933ff',
'#50f0be',
'#8c645a'
];
const colorCount: { [key: string]: number } = {};
for (let color of colors) {
colorCount[color] = 0;
}
// Get the color with the least amount of uses
function getColor() {
let color = colors.reduce((a, b) => (colorCount[a] <= colorCount[b] ? a : b));
colorCount[color]++;
return color;
}
function decrementColor(color: string) {
if (colorCount.hasOwnProperty(color)) {
colorCount[color]--;
}
}
function getMarkerForSymbol(symbol: string | undefined, layerColor: string) {
let symbolSvg = symbol ? symbols[symbol]?.iconSvg : undefined;
return `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
${Square
.replace('width="24"', 'width="12"')
.replace('height="24"', 'height="12"')
.replace('stroke="currentColor"', 'stroke="SteelBlue"')
.replace('stroke-width="2"', 'stroke-width="1.5" x="9.6" y="0.4"')
.replace('fill="none"', `fill="${layerColor}"`)}
${MapPin
.replace('width="24"', '')
.replace('height="24"', '')
.replace('stroke="currentColor"', '')
.replace('path', `path fill="#3fb1ce" stroke="SteelBlue" stroke-width="1"`)
.replace('circle', `circle fill="${symbolSvg ? 'none' : 'white'}" stroke="${symbolSvg ? 'none' : 'white'}" stroke-width="2"`)}
${symbolSvg?.replace('width="24"', 'width="10"')
.replace('height="24"', 'height="10"')
.replace('stroke="currentColor"', 'stroke="white"')
.replace('stroke-width="2"', 'stroke-width="2.5" x="7" y="5"') ?? ''}
</svg>`;
}
const { directionMarkers, verticalFileView, defaultOpacity, defaultWeight } = settings;
export class GPXLayer {
map: mapboxgl.Map;
fileId: string;
file: Readable<GPXFileWithStatistics | undefined>;
layerColor: string;
markers: mapboxgl.Marker[] = [];
selected: boolean = false;
draggable: boolean;
unsubscribe: Function[] = [];
updateBinded: () => void = this.update.bind(this);
layerOnMouseEnterBinded: (e: any) => void = this.layerOnMouseEnter.bind(this);
layerOnMouseLeaveBinded: () => void = this.layerOnMouseLeave.bind(this);
layerOnClickBinded: (e: any) => void = this.layerOnClick.bind(this);
maybeHideWaypointPopupBinded: (e: any) => void = this.maybeHideWaypointPopup.bind(this);
constructor(map: mapboxgl.Map, fileId: string, file: Readable<GPXFileWithStatistics | undefined>) {
this.map = map;
this.fileId = fileId;
this.file = file;
this.layerColor = getColor();
this.unsubscribe.push(file.subscribe(this.updateBinded));
this.unsubscribe.push(selection.subscribe($selection => {
let newSelected = $selection.hasAnyChildren(new ListFileItem(this.fileId));
if (this.selected || newSelected) {
this.selected = newSelected;
this.update();
}
if (newSelected) {
this.moveToFront();
}
}));
this.unsubscribe.push(directionMarkers.subscribe(this.updateBinded));
this.unsubscribe.push(currentTool.subscribe(tool => {
if (tool === Tool.WAYPOINT && !this.draggable) {
this.draggable = true;
this.markers.forEach(marker => marker.setDraggable(true));
} else if (tool !== Tool.WAYPOINT && this.draggable) {
this.draggable = false;
this.markers.forEach(marker => marker.setDraggable(false));
}
}));
this.draggable = get(currentTool) === Tool.WAYPOINT;
this.map.on('style.import.load', this.updateBinded);
}
update() {
let file = get(this.file)?.file;
if (!file) {
return;
}
if (file._data.style && file._data.style.color && this.layerColor !== `#${file._data.style.color}`) {
decrementColor(this.layerColor);
this.layerColor = `#${file._data.style.color}`;
}
try {
let source = this.map.getSource(this.fileId);
if (source) {
source.setData(this.getGeoJSON());
} else {
this.map.addSource(this.fileId, {
type: 'geojson',
data: this.getGeoJSON()
});
}
if (!this.map.getLayer(this.fileId)) {
this.map.addLayer({
id: this.fileId,
type: 'line',
source: this.fileId,
layout: {
'line-join': 'round',
'line-cap': 'round'
},
paint: {
'line-color': ['get', 'color'],
'line-width': ['get', 'weight'],
'line-opacity': ['get', 'opacity']
}
});
this.map.on('click', this.fileId, this.layerOnClickBinded);
this.map.on('mouseenter', this.fileId, this.layerOnMouseEnterBinded);
this.map.on('mouseleave', this.fileId, this.layerOnMouseLeaveBinded);
}
if (get(directionMarkers)) {
if (!this.map.getLayer(this.fileId + '-direction')) {
this.map.addLayer({
id: this.fileId + '-direction',
type: 'symbol',
source: this.fileId,
layout: {
'text-field': '»',
'text-offset': [0, -0.1],
'text-keep-upright': false,
'text-max-angle': 361,
'text-allow-overlap': true,
'text-font': ['Open Sans Bold'],
'symbol-placement': 'line',
'symbol-spacing': 20,
},
paint: {
'text-color': 'white',
'text-opacity': 0.7,
'text-halo-width': 0.2,
'text-halo-color': 'white'
}
}, this.map.getLayer('distance-markers') ? 'distance-markers' : undefined);
}
} else {
if (this.map.getLayer(this.fileId + '-direction')) {
this.map.removeLayer(this.fileId + '-direction');
}
}
let visibleItems: [number, number][] = [];
file.forEachSegment((segment, trackIndex, segmentIndex) => {
if (!segment._data.hidden) {
visibleItems.push([trackIndex, segmentIndex]);
}
});
this.map.setFilter(this.fileId, ['any', ...visibleItems.map(([trackIndex, segmentIndex]) => ['all', ['==', 'trackIndex', trackIndex], ['==', 'segmentIndex', segmentIndex]])], { validate: false });
if (this.map.getLayer(this.fileId + '-direction')) {
this.map.setFilter(this.fileId + '-direction', ['any', ...visibleItems.map(([trackIndex, segmentIndex]) => ['all', ['==', 'trackIndex', trackIndex], ['==', 'segmentIndex', segmentIndex]])], { validate: false });
}
} catch (e) { // No reliable way to check if the map is ready to add sources and layers
return;
}
let markerIndex = 0;
if (get(selection).hasAnyChildren(new ListFileItem(this.fileId))) {
file.wpt.forEach((waypoint) => { // Update markers
let symbolKey = getSymbolKey(waypoint.sym);
if (markerIndex < this.markers.length) {
this.markers[markerIndex].getElement().innerHTML = getMarkerForSymbol(symbolKey, this.layerColor);
this.markers[markerIndex].setLngLat(waypoint.getCoordinates());
Object.defineProperty(this.markers[markerIndex], '_waypoint', { value: waypoint, writable: true });
} else {
let element = document.createElement('div');
element.classList.add('w-8', 'h-8', 'drop-shadow-xl');
element.innerHTML = getMarkerForSymbol(symbolKey, this.layerColor);
let marker = new mapboxgl.Marker({
draggable: this.draggable,
element,
anchor: 'bottom'
}).setLngLat(waypoint.getCoordinates());
Object.defineProperty(marker, '_waypoint', { value: waypoint, writable: true });
let dragEndTimestamp = 0;
marker.getElement().addEventListener('mouseover', (e) => {
if (marker._isDragging) {
return;
}
this.showWaypointPopup(marker._waypoint);
e.stopPropagation();
});
marker.getElement().addEventListener('click', (e) => {
if (dragEndTimestamp && Date.now() - dragEndTimestamp < 1000) {
return;
}
if (get(currentTool) === Tool.WAYPOINT && e.shiftKey) {
deleteWaypoint(this.fileId, marker._waypoint._data.index);
e.stopPropagation();
return;
}
if (get(verticalFileView)) {
if ((e.ctrlKey || e.metaKey) && get(selection).hasAnyChildren(new ListWaypointsItem(this.fileId), false)) {
addSelectItem(new ListWaypointItem(this.fileId, marker._waypoint._data.index));
} else {
selectItem(new ListWaypointItem(this.fileId, marker._waypoint._data.index));
}
} else if (get(currentTool) === Tool.WAYPOINT) {
selectedWaypoint.set([marker._waypoint, this.fileId]);
} else {
this.showWaypointPopup(marker._waypoint);
}
e.stopPropagation();
});
marker.on('dragstart', () => {
setGrabbingCursor();
marker.getElement().style.cursor = 'grabbing';
this.hideWaypointPopup();
});
marker.on('dragend', (e) => {
resetCursor();
marker.getElement().style.cursor = '';
dbUtils.applyToFile(this.fileId, (file) => {
let latLng = marker.getLngLat();
let wpt = file.wpt[marker._waypoint._data.index];
wpt.setCoordinates({
lat: latLng.lat,
lon: latLng.lng
});
wpt.ele = getElevation(this.map, wpt.getCoordinates());
});
dragEndTimestamp = Date.now()
});
this.markers.push(marker);
}
markerIndex++;
});
}
while (markerIndex < this.markers.length) { // Remove extra markers
this.markers.pop()?.remove();
}
this.markers.forEach((marker) => {
if (!marker._waypoint._data.hidden) {
marker.addTo(this.map);
} else {
marker.remove();
}
});
}
updateMap(map: mapboxgl.Map) {
this.map = map;
this.map.on('style.import.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);
this.map.off('style.import.load', this.updateBinded);
if (this.map.getLayer(this.fileId + '-direction')) {
this.map.removeLayer(this.fileId + '-direction');
}
if (this.map.getLayer(this.fileId)) {
this.map.removeLayer(this.fileId);
}
if (this.map.getSource(this.fileId)) {
this.map.removeSource(this.fileId);
}
}
this.markers.forEach((marker) => {
marker.remove();
});
this.unsubscribe.forEach((unsubscribe) => unsubscribe());
decrementColor(this.layerColor);
}
moveToFront() {
if (this.map.getLayer(this.fileId)) {
this.map.moveLayer(this.fileId);
}
if (this.map.getLayer(this.fileId + '-direction')) {
this.map.moveLayer(this.fileId + '-direction', this.map.getLayer('distance-markers') ? 'distance-markers' : undefined);
}
}
layerOnMouseEnter(e: any) {
let trackIndex = e.features[0].properties.trackIndex;
let segmentIndex = e.features[0].properties.segmentIndex;
if (get(currentTool) === Tool.SCISSORS && get(selection).hasAnyParent(new ListTrackSegmentItem(this.fileId, trackIndex, segmentIndex))) {
setScissorsCursor();
} else {
setPointerCursor();
}
}
layerOnMouseLeave() {
resetCursor();
}
layerOnClick(e: any) {
if (get(currentTool) === Tool.ROUTING && get(selection).hasAnyChildren(new ListRootItem(), true, ['waypoints'])) {
return;
}
let trackIndex = e.features[0].properties.trackIndex;
let segmentIndex = e.features[0].properties.segmentIndex;
if (get(currentTool) === Tool.SCISSORS && get(selection).hasAnyParent(new ListTrackSegmentItem(this.fileId, trackIndex, segmentIndex))) {
dbUtils.split(this.fileId, trackIndex, segmentIndex, { lat: e.lngLat.lat, lon: e.lngLat.lng });
return;
}
let file = get(this.file)?.file;
if (!file) {
return;
}
let item = undefined;
if (get(verticalFileView) && file.getSegments().length > 1) { // Select inner item
item = file.children[trackIndex].children.length > 1 ? new ListTrackSegmentItem(this.fileId, trackIndex, segmentIndex) : new ListTrackItem(this.fileId, trackIndex);
} else {
item = new ListFileItem(this.fileId);
}
if (e.originalEvent.ctrlKey || e.originalEvent.metaKey) {
addSelectItem(item);
} else {
selectItem(item);
}
}
showWaypointPopup(waypoint: Waypoint) {
if (get(currentPopupWaypoint) !== null) {
this.hideWaypointPopup();
}
let marker = this.markers[waypoint._data.index];
if (marker) {
currentPopupWaypoint.set([waypoint, this.fileId]);
marker.setPopup(waypointPopup);
marker.togglePopup();
this.map.on('mousemove', this.maybeHideWaypointPopupBinded);
}
}
maybeHideWaypointPopup(e: any) {
let waypoint = get(currentPopupWaypoint)?.[0];
if (waypoint) {
let marker = this.markers[waypoint._data.index];
if (marker) {
if (this.map.project(marker.getLngLat()).dist(this.map.project(e.lngLat)) > 100) {
this.hideWaypointPopup();
}
} else {
this.hideWaypointPopup();
}
}
}
hideWaypointPopup() {
let waypoint = get(currentPopupWaypoint)?.[0];
if (waypoint) {
let marker = this.markers[waypoint._data.index];
marker?.getPopup()?.remove();
currentPopupWaypoint.set(null);
this.map.off('mousemove', this.maybeHideWaypointPopupBinded);
}
}
getGeoJSON(): GeoJSON.FeatureCollection {
let file = get(this.file)?.file;
if (!file) {
return {
type: 'FeatureCollection',
features: []
};
}
let data = file.toGeoJSON();
let trackIndex = 0, segmentIndex = 0;
for (let feature of data.features) {
if (!feature.properties) {
feature.properties = {};
}
if (!feature.properties.color) {
feature.properties.color = this.layerColor;
}
if (!feature.properties.weight) {
feature.properties.weight = get(defaultWeight);
}
if (!feature.properties.opacity) {
feature.properties.opacity = get(defaultOpacity);
}
if (get(selection).hasAnyParent(new ListTrackSegmentItem(this.fileId, trackIndex, segmentIndex)) || get(selection).hasAnyChildren(new ListWaypointsItem(this.fileId), true)) {
feature.properties.weight = feature.properties.weight + 2;
feature.properties.opacity = Math.min(1, feature.properties.opacity + 0.1);
}
feature.properties.trackIndex = trackIndex;
feature.properties.segmentIndex = segmentIndex;
segmentIndex++;
if (segmentIndex >= file.trk[trackIndex].trkseg.length) {
segmentIndex = 0;
trackIndex++;
}
}
return data;
}
}