mapcomplete/UI/Popup/NearbyImages.ts
2022-06-07 03:49:05 +02:00

288 lines
11 KiB
TypeScript

import Combine from "../Base/Combine";
import {Store, Stores, UIEventSource} from "../../Logic/UIEventSource";
import {SlideShow} from "../Image/SlideShow";
import {ClickableToggle} from "../Input/Toggle";
import Loading from "../Base/Loading";
import {AttributedImage} from "../Image/AttributedImage";
import AllImageProviders from "../../Logic/ImageProviders/AllImageProviders";
import Svg from "../../Svg";
import BaseUIElement from "../BaseUIElement";
import {InputElement} from "../Input/InputElement";
import {VariableUiElement} from "../Base/VariableUIElement";
import Translations from "../i18n/Translations";
import {Mapillary} from "../../Logic/ImageProviders/Mapillary";
import {SubtleButton} from "../Base/SubtleButton";
import {GeoOperations} from "../../Logic/GeoOperations";
import {ElementStorage} from "../../Logic/ElementStorage";
import Lazy from "../Base/Lazy";
export interface P4CPicture {
pictureUrl: string,
date?: number,
coordinates: { lat: number, lng: number },
provider: "Mapillary" | string,
author?,
license?,
detailsUrl?: string,
direction?,
osmTags?: object /*To copy straight into OSM!*/
,
thumbUrl: string,
details: {
isSpherical: boolean,
}
}
export interface NearbyImageOptions {
lon: number,
lat: number,
// Radius of the upstream search
searchRadius?: 500 | number,
maxDaysOld?: 1095 | number,
blacklist: Store<{ url: string }[]>,
shownImagesCount?: UIEventSource<number>,
towardscenter?: UIEventSource<boolean>;
allowSpherical?: UIEventSource<boolean>
// Radius of what is shown. Useless to select a value > searchRadius; defaults to searchRadius
shownRadius?: UIEventSource<number>
}
class ImagesInLoadedDataFetcher {
private allElements: ElementStorage;
constructor(state: { allElements: ElementStorage }) {
this.allElements = state.allElements
}
public fetchAround(loc: { lon: number, lat: number, searchRadius?: number }): P4CPicture[] {
const foundImages: P4CPicture[] = []
this.allElements.ContainingFeatures.forEach((feature) => {
const props = feature.properties;
const images = []
if (props.image) {
images.push(props.image)
}
for (let i = 0; i < 10; i++) {
if (props["image:" + i]) {
images.push(props["image:" + i])
}
}
if (images.length == 0) {
return;
}
const centerpoint = GeoOperations.centerpointCoordinates(feature)
const d = GeoOperations.distanceBetween(centerpoint, [loc.lon, loc.lat])
if (loc.searchRadius !== undefined && d > loc.searchRadius) {
return;
}
for (const image of images) {
foundImages.push({
pictureUrl: image,
thumbUrl: image,
coordinates: {lng: centerpoint[0], lat: centerpoint[1]},
provider: "OpenStreetMap",
details: {
isSpherical: false
}
})
}
})
const cleaned: P4CPicture[] = []
const seen = new Set<string>()
for (const foundImage of foundImages) {
if (seen.has(foundImage.pictureUrl)) {
continue
}
seen.add(foundImage.pictureUrl)
cleaned.push(foundImage)
}
return cleaned
}
}
export default class NearbyImages extends Lazy {
constructor(options: NearbyImageOptions, state?: { allElements: ElementStorage }) {
super(() => {
const t = Translations.t.image.nearbyPictures
const shownImages = options.shownImagesCount ?? new UIEventSource(25);
const loadedPictures = NearbyImages.buildPictureFetcher(options, state)
const loadMoreButton = new Combine([new SubtleButton(Svg.add_svg(), t.loadMore).onClick(() => {
shownImages.setData(shownImages.data + 25)
})]).SetClass("flex flex-col justify-center")
const imageElements = loadedPictures.map(imgs => {
if(imgs === undefined){
return []
}
const elements = (imgs.images ?? []).slice(0, shownImages.data).map(i => this.prepareElement(i));
if (imgs.images !== undefined && elements.length < imgs.images.length) {
// We effectively sliced some items, so we can increase the count
elements.push(loadMoreButton)
}
return elements;
}, [shownImages]);
return new VariableUiElement(loadedPictures.map(loaded => {
if (loaded?.images === undefined) {
return NearbyImages.NoImagesView(new Loading(t.loading)).SetClass("animate-pulse")
}
const images = loaded.images
const beforeFilter = loaded?.beforeFilter
if (beforeFilter === 0) {
return NearbyImages.NoImagesView(t.nothingFound.SetClass("alert block"))
}else if(images.length === 0){
const removeFiltersButton = new SubtleButton(Svg.filter_disable_svg(), t.removeFilters).onClick(() => {
options.shownRadius.setData(options.searchRadius)
options.allowSpherical.setData(true)
options.towardscenter.setData(false)
});
return NearbyImages.NoImagesView(
t.allFiltered.SetClass("font-bold"),
removeFiltersButton
)
}
return new SlideShow(imageElements)
},));
})
}
private static NoImagesView(...elems: BaseUIElement[]){
return new Combine(elems).SetClass("flex flex-col justify-center items-center bg-gray-200 mb-2 rounded-lg")
.SetStyle("height: calc( var(--image-carousel-height) - 0.5rem ) ; max-height: calc( var(--image-carousel-height) - 0.5rem );")
}
private static buildPictureFetcher(options: NearbyImageOptions, state?: { allElements: ElementStorage }) {
const P4C = require("../../vendor/P4C.min")
const picManager = new P4C.PicturesManager({});
const searchRadius = options.searchRadius ?? 500;
const nearbyImages = state !== undefined ? new ImagesInLoadedDataFetcher(state).fetchAround(options) : []
return Stores.FromPromise<P4CPicture[]>(
picManager.startPicsRetrievalAround(new P4C.LatLng(options.lat, options.lon), options.searchRadius ?? 500, {
mindate: new Date().getTime() - (options.maxDaysOld ?? (3 * 365)) * 24 * 60 * 60 * 1000,
towardscenter: false
})
).map(images => {
if (images === undefined) {
return undefined
}
images = (images ?? []).concat(nearbyImages)
const blacklisted = options.blacklist?.data
images = images?.filter(i => !blacklisted?.some(notAllowed => Mapillary.sameUrl(i.pictureUrl, notAllowed.url)));
const beforeFilterCount = images.length
if (!(options?.allowSpherical?.data)) {
images = images?.filter(i => i.details.isSpherical !== true)
}
const shownRadius = options?.shownRadius?.data ?? searchRadius;
if (shownRadius !== searchRadius) {
images = images.filter(i => {
const d = GeoOperations.distanceBetween([i.coordinates.lng, i.coordinates.lat], [options.lon, options.lat])
return d <= shownRadius
})
}
if (options.towardscenter?.data) {
images = images.filter(i => {
if (i.direction === undefined || isNaN(i.direction)) {
return false
}
const bearing = GeoOperations.bearing([i.coordinates.lng, i.coordinates.lat], [options.lon, options.lat])
const diff = Math.abs((i.direction - bearing) % 360);
return diff < 40
})
}
images?.sort((a, b) => {
const distanceA = GeoOperations.distanceBetween([a.coordinates.lng, a.coordinates.lat], [options.lon, options.lat])
const distanceB = GeoOperations.distanceBetween([b.coordinates.lng, b.coordinates.lat], [options.lon, options.lat])
return distanceA - distanceB
})
return {images, beforeFilter: beforeFilterCount};
}, [options.blacklist, options.allowSpherical, options.towardscenter, options.shownRadius])
}
protected prepareElement(info: P4CPicture): BaseUIElement {
const provider = AllImageProviders.byName(info.provider);
return new AttributedImage({url: info.pictureUrl, provider})
}
private static asAttributedImage(info: P4CPicture): AttributedImage {
const provider = AllImageProviders.byName(info.provider);
return new AttributedImage({url: info.thumbUrl, provider, date: new Date(info.date)})
}
protected asToggle(info: P4CPicture): ClickableToggle {
const imgNonSelected = NearbyImages.asAttributedImage(info);
const imageSelected = NearbyImages.asAttributedImage(info);
const nonSelected = new Combine([imgNonSelected]).SetClass("relative block")
const hoveringCheckmark =
new Combine([Svg.confirm_svg().SetClass("block w-24 h-24 -ml-12 -mt-12")]).SetClass("absolute left-1/2 top-1/2 w-0")
const selected = new Combine([
imageSelected,
hoveringCheckmark,
]).SetClass("relative block")
return new ClickableToggle(selected, nonSelected).SetClass("").ToggleOnClick();
}
}
export class SelectOneNearbyImage extends NearbyImages implements InputElement<P4CPicture> {
private readonly value: UIEventSource<P4CPicture>;
constructor(options: NearbyImageOptions & { value?: UIEventSource<P4CPicture> }, state?: { allElements: ElementStorage }) {
super(options, state)
this.value = options.value ?? new UIEventSource<P4CPicture>(undefined);
}
GetValue(): UIEventSource<P4CPicture> {
return this.value;
}
IsValid(t: P4CPicture): boolean {
return false;
}
protected prepareElement(info: P4CPicture): BaseUIElement {
const toggle = super.asToggle(info)
toggle.isEnabled.addCallback(enabled => {
if (enabled) {
this.value.setData(info)
} else if (this.value.data === info) {
this.value.setData(undefined)
}
})
this.value.addCallback(inf => {
if (inf !== info) {
toggle.isEnabled.setData(false)
}
})
return toggle
}
}