mapcomplete/UI/Map/ShowDataLayer.ts

368 lines
13 KiB
TypeScript

import { ImmutableStore, Store } from "../../Logic/UIEventSource"
import type { Map as MlMap } from "maplibre-gl"
import { Marker } from "maplibre-gl"
import { ShowDataLayerOptions } from "./ShowDataLayerOptions"
import { GeoOperations } from "../../Logic/GeoOperations"
import LayerConfig from "../../Models/ThemeConfig/LayerConfig"
import PointRenderingConfig from "../../Models/ThemeConfig/PointRenderingConfig"
import { OsmTags } from "../../Models/OsmFeature"
import FeatureSource from "../../Logic/FeatureSource/FeatureSource"
import { BBox } from "../../Logic/BBox"
import { Feature } from "geojson"
import ScrollableFullScreen from "../Base/ScrollableFullScreen"
import LineRenderingConfig from "../../Models/ThemeConfig/LineRenderingConfig"
import { Utils } from "../../Utils"
import * as range_layer from "../../assets/layers/range/range.json"
import { LayerConfigJson } from "../../Models/ThemeConfig/Json/LayerConfigJson"
class PointRenderingLayer {
private readonly _config: PointRenderingConfig
private readonly _fetchStore?: (id: string) => Store<OsmTags>
private readonly _map: MlMap
private readonly _onClick: (id: string) => void
private readonly _allMarkers: Map<string, Marker> = new Map<string, Marker>()
constructor(
map: MlMap,
features: FeatureSource,
config: PointRenderingConfig,
visibility?: Store<boolean>,
fetchStore?: (id: string) => Store<OsmTags>,
onClick?: (id: string) => void
) {
this._config = config
this._map = map
this._fetchStore = fetchStore
this._onClick = onClick
const self = this
features.features.addCallbackAndRunD((features) => self.updateFeatures(features))
visibility?.addCallbackAndRunD((visible) => self.setVisibility(visible))
}
private updateFeatures(features: Feature[]) {
const cache = this._allMarkers
const unseenKeys = new Set(cache.keys())
for (const location of this._config.location) {
for (const feature of features) {
if (feature?.geometry === undefined) {
console.warn(
"Got an invalid feature:",
features,
" while rendering",
location,
"of",
this._config
)
}
const loc = GeoOperations.featureToCoordinateWithRenderingType(
<any>feature,
location
)
if (loc === undefined) {
continue
}
const id = feature.properties.id + "-" + location
unseenKeys.delete(id)
if (cache.has(id)) {
const cached = cache.get(id)
const oldLoc = cached.getLngLat()
if (loc[0] !== oldLoc.lng && loc[1] !== oldLoc.lat) {
cached.setLngLat(loc)
}
continue
}
const marker = this.addPoint(feature, loc)
cache.set(id, marker)
}
}
for (const unseenKey of unseenKeys) {
cache.get(unseenKey).remove()
cache.delete(unseenKey)
}
}
private setVisibility(visible: boolean) {
for (const marker of this._allMarkers.values()) {
if (visible) {
marker.getElement().classList.remove("hidden")
} else {
marker.getElement().classList.add("hidden")
}
}
}
private addPoint(feature: Feature, loc: [number, number]): Marker {
let store: Store<OsmTags>
if (this._fetchStore) {
store = this._fetchStore(feature.properties.id)
} else {
store = new ImmutableStore(<OsmTags>feature.properties)
}
const { html, iconAnchor } = this._config.RenderIcon(store, true)
html.SetClass("marker")
const el = html.ConstructElement()
if (this._onClick) {
const self = this
el.addEventListener("click", function () {
self._onClick(feature.properties.id)
})
}
const marker = new Marker(el).setLngLat(loc).setOffset(iconAnchor).addTo(this._map)
store
.map((tags) => this._config.pitchAlignment.GetRenderValue(tags).Subs(tags).txt)
.addCallbackAndRun((pitchAligment) => marker.setPitchAlignment(pitchAligment))
store
.map((tags) => this._config.rotationAlignment.GetRenderValue(tags).Subs(tags).txt)
.addCallbackAndRun((pitchAligment) => marker.setRotationAlignment(pitchAligment))
return marker
}
}
class LineRenderingLayer {
/**
* These are dynamic properties
* @private
*/
private static readonly lineConfigKeys = [
"color",
"width",
"lineCap",
"offset",
"fill",
"fillColor",
] as const
private static readonly lineConfigKeysColor = ["color", "fillColor"] as const
private static readonly lineConfigKeysNumber = ["width", "offset"] as const
private readonly _map: MlMap
private readonly _config: LineRenderingConfig
private readonly _visibility?: Store<boolean>
private readonly _fetchStore?: (id: string) => Store<OsmTags>
private readonly _onClick?: (id: string) => void
private readonly _layername: string
private readonly _listenerInstalledOn: Set<string> = new Set<string>()
constructor(
map: MlMap,
features: FeatureSource,
layername: string,
config: LineRenderingConfig,
visibility?: Store<boolean>,
fetchStore?: (id: string) => Store<OsmTags>,
onClick?: (id: string) => void
) {
this._layername = layername
this._map = map
this._config = config
this._visibility = visibility
this._fetchStore = fetchStore
this._onClick = onClick
const self = this
features.features.addCallbackAndRunD((features) => self.update(features))
}
private calculatePropsFor(
properties: Record<string, string>
): Partial<Record<typeof LineRenderingLayer.lineConfigKeys[number], string>> {
const calculatedProps = {}
const config = this._config
for (const key of LineRenderingLayer.lineConfigKeys) {
const v = config[key]?.GetRenderValue(properties)?.Subs(properties).txt
calculatedProps[key] = v
}
for (const key of LineRenderingLayer.lineConfigKeysColor) {
let v = config[key]?.GetRenderValue(properties)?.Subs(properties).txt
if (v === undefined) {
continue
}
console.log("Color", v)
if (v.length == 9 && v.startsWith("#")) {
// This includes opacity
calculatedProps[key + "-opacity"] = parseInt(v.substring(7), 16) / 256
v = v.substring(0, 7)
console.log("Color >", v, calculatedProps[key + "-opacity"])
}
calculatedProps[key] = v
}
for (const key of LineRenderingLayer.lineConfigKeysNumber) {
const v = config[key]?.GetRenderValue(properties)?.Subs(properties).txt
calculatedProps[key] = Number(v)
}
console.log("Calculated props:", calculatedProps, "for", properties.id)
return calculatedProps
}
private async update(features: Feature[]) {
const map = this._map
while (!map.isStyleLoaded()) {
await Utils.waitFor(100)
}
map.addSource(this._layername, {
type: "geojson",
data: {
type: "FeatureCollection",
features,
},
promoteId: "id",
})
map.addLayer({
source: this._layername,
id: this._layername + "_line",
type: "line",
paint: {
"line-color": ["feature-state", "color"],
"line-opacity": ["feature-state", "color-opacity"],
"line-width": ["feature-state", "width"],
"line-offset": ["feature-state", "offset"],
},
})
/*[
"color",
"width",
"dashArray",
"lineCap",
"offset",
"fill",
"fillColor",
]*/
map.addLayer({
source: this._layername,
id: this._layername + "_polygon",
type: "fill",
filter: ["in", ["geometry-type"], ["literal", ["Polygon", "MultiPolygon"]]],
layout: {},
paint: {
"fill-color": ["feature-state", "fillColor"],
"fill-opacity": 0.1,
},
})
for (let i = 0; i < features.length; i++) {
const feature = features[i]
const id = feature.properties.id ?? feature.id
console.log("ID is", id)
if (id === undefined) {
console.trace(
"Got a feature without ID; this causes rendering bugs:",
feature,
"from"
)
continue
}
if (this._listenerInstalledOn.has(id)) {
continue
}
if (this._fetchStore === undefined) {
map.setFeatureState(
{ source: this._layername, id },
this.calculatePropsFor(feature.properties)
)
} else {
const tags = this._fetchStore(id)
this._listenerInstalledOn.add(id)
tags.addCallbackAndRunD((properties) => {
map.setFeatureState(
{ source: this._layername, id },
this.calculatePropsFor(properties)
)
})
}
}
}
}
export default class ShowDataLayer {
private static rangeLayer = new LayerConfig(
<LayerConfigJson>range_layer,
"ShowDataLayer.ts:range.json"
)
private readonly _map: Store<MlMap>
private readonly _options: ShowDataLayerOptions & { layer: LayerConfig }
private readonly _popupCache: Map<string, ScrollableFullScreen>
constructor(map: Store<MlMap>, options: ShowDataLayerOptions & { layer: LayerConfig }) {
this._map = map
this._options = options
this._popupCache = new Map()
const self = this
map.addCallbackAndRunD((map) => self.initDrawFeatures(map))
}
public static showRange(
map: Store<MlMap>,
features: FeatureSource,
doShowLayer?: Store<boolean>
): ShowDataLayer {
return new ShowDataLayer(map, {
layer: ShowDataLayer.rangeLayer,
features,
doShowLayer,
})
}
private openOrReusePopup(id: string): void {
if (!this._popupCache || !this._options.fetchStore) {
return
}
if (this._popupCache.has(id)) {
this._popupCache.get(id).Activate()
return
}
const tags = this._options.fetchStore(id)
if (!tags) {
return
}
const popup = this._options.buildPopup(tags, this._options.layer)
this._popupCache.set(id, popup)
popup.Activate()
}
private zoomToCurrentFeatures(map: MlMap) {
if (this._options.zoomToFeatures) {
const features = this._options.features.features.data
const bbox = BBox.bboxAroundAll(features.map(BBox.get))
map.fitBounds(bbox.toLngLat(), {
padding: { top: 10, bottom: 10, left: 10, right: 10 },
})
}
}
private initDrawFeatures(map: MlMap) {
const { features, doShowLayer, fetchStore, buildPopup } = this._options
const onClick = buildPopup === undefined ? undefined : (id) => this.openOrReusePopup(id)
for (let i = 0; i < this._options.layer.lineRendering.length; i++) {
const lineRenderingConfig = this._options.layer.lineRendering[i]
new LineRenderingLayer(
map,
features,
this._options.layer.id + "_linerendering_" + i,
lineRenderingConfig,
doShowLayer,
fetchStore,
onClick
)
}
for (const pointRenderingConfig of this._options.layer.mapRendering) {
new PointRenderingLayer(
map,
features,
pointRenderingConfig,
doShowLayer,
fetchStore,
onClick
)
}
features.features.addCallbackAndRunD((_) => this.zoomToCurrentFeatures(map))
}
}