mapcomplete/src/Models/ThemeViewState.ts

715 lines
29 KiB
TypeScript

import LayoutConfig from "./ThemeConfig/LayoutConfig"
import { SpecialVisualizationState } from "../UI/SpecialVisualization"
import { Changes } from "../Logic/Osm/Changes"
import { Store, UIEventSource } from "../Logic/UIEventSource"
import {
FeatureSource,
IndexedFeatureSource,
WritableFeatureSource,
} from "../Logic/FeatureSource/FeatureSource"
import { OsmConnection } from "../Logic/Osm/OsmConnection"
import { ExportableMap, MapProperties } from "./MapProperties"
import LayerState from "../Logic/State/LayerState"
import { Feature, Point, Polygon } from "geojson"
import FullNodeDatabaseSource from "../Logic/FeatureSource/TiledFeatureSource/FullNodeDatabaseSource"
import { Map as MlMap } from "maplibre-gl"
import InitialMapPositioning from "../Logic/Actors/InitialMapPositioning"
import { MapLibreAdaptor } from "../UI/Map/MapLibreAdaptor"
import { GeoLocationState } from "../Logic/State/GeoLocationState"
import FeatureSwitchState from "../Logic/State/FeatureSwitchState"
import { QueryParameters } from "../Logic/Web/QueryParameters"
import UserRelatedState from "../Logic/State/UserRelatedState"
import LayerConfig from "./ThemeConfig/LayerConfig"
import GeoLocationHandler from "../Logic/Actors/GeoLocationHandler"
import { AvailableRasterLayers, RasterLayerPolygon, RasterLayerUtils } from "./RasterLayers"
import LayoutSource from "../Logic/FeatureSource/Sources/LayoutSource"
import StaticFeatureSource from "../Logic/FeatureSource/Sources/StaticFeatureSource"
import FeaturePropertiesStore from "../Logic/FeatureSource/Actors/FeaturePropertiesStore"
import PerLayerFeatureSourceSplitter from "../Logic/FeatureSource/PerLayerFeatureSourceSplitter"
import FilteringFeatureSource from "../Logic/FeatureSource/Sources/FilteringFeatureSource"
import ShowDataLayer from "../UI/Map/ShowDataLayer"
import TitleHandler from "../Logic/Actors/TitleHandler"
import ChangeToElementsActor from "../Logic/Actors/ChangeToElementsActor"
import PendingChangesUploader from "../Logic/Actors/PendingChangesUploader"
import SelectedElementTagsUpdater from "../Logic/Actors/SelectedElementTagsUpdater"
import { BBox } from "../Logic/BBox"
import Constants from "./Constants"
import Hotkeys from "../UI/Base/Hotkeys"
import Translations from "../UI/i18n/Translations"
import { GeoIndexedStoreForLayer } from "../Logic/FeatureSource/Actors/GeoIndexedStore"
import { LastClickFeatureSource } from "../Logic/FeatureSource/Sources/LastClickFeatureSource"
import { MenuState } from "./MenuState"
import MetaTagging from "../Logic/MetaTagging"
import ChangeGeometryApplicator from "../Logic/FeatureSource/Sources/ChangeGeometryApplicator"
import { NewGeometryFromChangesFeatureSource } from "../Logic/FeatureSource/Sources/NewGeometryFromChangesFeatureSource"
import OsmObjectDownloader from "../Logic/Osm/OsmObjectDownloader"
import ShowOverlayRasterLayer from "../UI/Map/ShowOverlayRasterLayer"
import { Utils } from "../Utils"
import { EliCategory } from "./RasterLayerProperties"
import BackgroundLayerResetter from "../Logic/Actors/BackgroundLayerResetter"
import SaveFeatureSourceToLocalStorage from "../Logic/FeatureSource/Actors/SaveFeatureSourceToLocalStorage"
import BBoxFeatureSource from "../Logic/FeatureSource/Sources/TouchesBboxFeatureSource"
import ThemeViewStateHashActor from "../Logic/Web/ThemeViewStateHashActor"
import NoElementsInViewDetector, {
FeatureViewState,
} from "../Logic/Actors/NoElementsInViewDetector"
import FilteredLayer from "./FilteredLayer"
import { PreferredRasterLayerSelector } from "../Logic/Actors/PreferredRasterLayerSelector"
import { ImageUploadManager } from "../Logic/ImageProviders/ImageUploadManager"
import { Imgur } from "../Logic/ImageProviders/Imgur"
import NearbyFeatureSource from "../Logic/FeatureSource/Sources/NearbyFeatureSource"
import FavouritesFeatureSource from "../Logic/FeatureSource/Sources/FavouritesFeatureSource"
import { ProvidedImage } from "../Logic/ImageProviders/ImageProvider"
/**
*
* The themeviewState contains all the state needed for the themeViewGUI.
*
* This is pretty much the 'brain' or the HQ of MapComplete
*
* It ties up all the needed elements and starts some actors.
*/
export default class ThemeViewState implements SpecialVisualizationState {
readonly layout: LayoutConfig
readonly map: UIEventSource<MlMap>
readonly changes: Changes
readonly featureSwitches: FeatureSwitchState
readonly featureSwitchIsTesting: Store<boolean>
readonly featureSwitchUserbadge: Store<boolean>
readonly featureProperties: FeaturePropertiesStore
readonly osmConnection: OsmConnection
readonly selectedElement: UIEventSource<Feature>
readonly selectedElementAndLayer: Store<{ feature: Feature; layer: LayerConfig }>
readonly mapProperties: MapProperties & ExportableMap
readonly osmObjectDownloader: OsmObjectDownloader
readonly dataIsLoading: Store<boolean>
/**
* Indicates if there is _some_ data in view, even if it is not shown due to the filters
*/
readonly hasDataInView: Store<FeatureViewState>
readonly guistate: MenuState
readonly fullNodeDatabase?: FullNodeDatabaseSource
readonly historicalUserLocations: WritableFeatureSource<Feature<Point>>
readonly indexedFeatures: IndexedFeatureSource & LayoutSource
readonly currentView: FeatureSource<Feature<Polygon>>
readonly featuresInView: FeatureSource
readonly favourites: FavouritesFeatureSource
/**
* Contains a few (<10) >features that are near the center of the map.
*/
readonly closestFeatures: NearbyFeatureSource
readonly newFeatures: WritableFeatureSource
readonly layerState: LayerState
readonly perLayer: ReadonlyMap<string, GeoIndexedStoreForLayer>
readonly perLayerFiltered: ReadonlyMap<string, FilteringFeatureSource>
readonly availableLayers: Store<RasterLayerPolygon[]>
readonly selectedLayer: UIEventSource<LayerConfig>
readonly userRelatedState: UserRelatedState
readonly geolocation: GeoLocationHandler
readonly lastGeolocationRequestMoment: UIEventSource<Date> = new UIEventSource<Date>(undefined)
readonly imageUploadManager: ImageUploadManager
readonly previewedImage = new UIEventSource<ProvidedImage>(undefined)
readonly addNewPoint: UIEventSource<boolean> = new UIEventSource<boolean>(false)
readonly lastClickObject: LastClickFeatureSource
readonly overlayLayerStates: ReadonlyMap<
string,
{ readonly isDisplayed: UIEventSource<boolean> }
>
/**
* All 'level'-tags that are available with the current features
*/
readonly floors: Store<string[]>
private readonly newPointDialog: FilteredLayer
constructor(layout: LayoutConfig) {
Utils.initDomPurify()
this.layout = layout
this.featureSwitches = new FeatureSwitchState(layout)
this.guistate = new MenuState(
this.featureSwitches.featureSwitchWelcomeMessage.data,
layout.id
)
this.map = new UIEventSource<MlMap>(undefined)
const initial = new InitialMapPositioning(layout)
this.mapProperties = new MapLibreAdaptor(this.map, initial)
const geolocationState = new GeoLocationState()
this.featureSwitchIsTesting = this.featureSwitches.featureSwitchIsTesting
this.featureSwitchUserbadge = this.featureSwitches.featureSwitchEnableLogin
this.osmConnection = new OsmConnection({
dryRun: this.featureSwitches.featureSwitchIsTesting,
fakeUser: this.featureSwitches.featureSwitchFakeUser.data,
oauth_token: QueryParameters.GetQueryParameter(
"oauth_token",
undefined,
"Used to complete the login"
),
})
this.userRelatedState = new UserRelatedState(
this.osmConnection,
layout?.language,
layout,
this.featureSwitches,
this.mapProperties
)
this.userRelatedState.fixateNorth.addCallbackAndRunD((fixated) => {
this.mapProperties.allowRotating.setData(fixated !== "yes")
})
this.selectedElement = new UIEventSource<Feature | undefined>(undefined, "Selected element")
this.selectedLayer = new UIEventSource<LayerConfig>(undefined, "Selected layer")
this.selectedElementAndLayer = this.selectedElement.mapD(
(feature) => {
const layer = this.selectedLayer.data
if (!layer) {
return undefined
}
return { layer, feature }
},
[this.selectedLayer]
)
this.geolocation = new GeoLocationHandler(
geolocationState,
this.selectedElement,
this.mapProperties,
this.userRelatedState.gpsLocationHistoryRetentionTime
)
this.availableLayers = AvailableRasterLayers.layersAvailableAt(this.mapProperties.location)
const self = this
this.layerState = new LayerState(this.osmConnection, layout.layers, layout.id)
{
const overlayLayerStates = new Map<string, { isDisplayed: UIEventSource<boolean> }>()
for (const rasterInfo of this.layout.tileLayerSources) {
const isDisplayed = QueryParameters.GetBooleanQueryParameter(
"overlay-" + rasterInfo.id,
rasterInfo.defaultState ?? true,
"Wether or not overlayer layer " + rasterInfo.id + " is shown"
)
const state = { isDisplayed }
overlayLayerStates.set(rasterInfo.id, state)
new ShowOverlayRasterLayer(rasterInfo, this.map, this.mapProperties, state)
}
this.overlayLayerStates = overlayLayerStates
}
{
/* Setup the layout source
* A bit tricky, as this is heavily intertwined with the 'changes'-element, which generate a stream of new and changed features too
*/
if (this.layout.layers.some((l) => l._needsFullNodeDatabase)) {
this.fullNodeDatabase = new FullNodeDatabaseSource()
}
const layoutSource = new LayoutSource(
layout.layers,
this.featureSwitches,
this.mapProperties,
this.osmConnection.Backend(),
(id) => self.layerState.filteredLayers.get(id).isDisplayed,
this.fullNodeDatabase
)
let currentViewIndex = 0
const empty = []
this.currentView = new StaticFeatureSource(
this.mapProperties.bounds.map((bbox) => {
if (!bbox) {
return empty
}
currentViewIndex++
return <Feature[]>[
bbox.asGeoJson({
zoom: this.mapProperties.zoom.data,
...this.mapProperties.location.data,
id: "current_view_" + currentViewIndex,
}),
]
})
)
this.featuresInView = new BBoxFeatureSource(layoutSource, this.mapProperties.bounds)
this.dataIsLoading = layoutSource.isLoading
this.indexedFeatures = layoutSource
this.featureProperties = new FeaturePropertiesStore(layoutSource)
this.changes = new Changes(
{
dryRun: this.featureSwitches.featureSwitchIsTesting,
allElements: layoutSource,
featurePropertiesStore: this.featureProperties,
osmConnection: this.osmConnection,
historicalUserLocations: this.geolocation.historicalUserLocations,
},
layout?.isLeftRightSensitive() ?? false
)
this.historicalUserLocations = this.geolocation.historicalUserLocations
this.newFeatures = new NewGeometryFromChangesFeatureSource(
this.changes,
layoutSource,
this.featureProperties
)
layoutSource.addSource(this.newFeatures)
const perLayer = new PerLayerFeatureSourceSplitter(
Array.from(this.layerState.filteredLayers.values()).filter(
(l) => l.layerDef?.source !== null
),
new ChangeGeometryApplicator(this.indexedFeatures, this.changes),
{
constructStore: (features, layer) =>
new GeoIndexedStoreForLayer(features, layer),
handleLeftovers: (features) => {
console.warn(
"Got ",
features.length,
"leftover features, such as",
features[0].properties
)
},
}
)
this.perLayer = perLayer.perLayer
}
this.perLayer.forEach((fs) => {
new SaveFeatureSourceToLocalStorage(
this.osmConnection.Backend(),
fs.layer.layerDef.id,
15,
fs,
this.featureProperties,
fs.layer.layerDef.maxAgeOfCache
)
})
this.newPointDialog = this.layerState.filteredLayers.get("last_click")
this.floors = this.featuresInView.features.stabilized(500).map((features) => {
if (!features) {
return []
}
const floors = new Set<string>()
for (const feature of features) {
let level = feature.properties["_level"]
if (level) {
const levels = level.split(";")
for (const l of levels) {
floors.add(l)
}
} else {
floors.add("0") // '0' is the default and is thus _always_ present
}
}
const sorted = Array.from(floors)
// Sort alphabetically first, to deal with floor "A", "B" and "C"
sorted.sort()
sorted.sort((a, b) => {
// We use the laxer 'parseInt' to deal with floor '1A'
const na = parseInt(a)
const nb = parseInt(b)
if (isNaN(na) || isNaN(nb)) {
return 0
}
return na - nb
})
sorted.reverse(/* new list, no side-effects */)
return sorted
})
this.lastClickObject = new LastClickFeatureSource(
this.mapProperties.lastClickLocation,
this.layout
)
this.osmObjectDownloader = new OsmObjectDownloader(
this.osmConnection.Backend(),
this.changes
)
this.perLayerFiltered = this.showNormalDataOn(this.map)
this.closestFeatures = new NearbyFeatureSource(
this.mapProperties.location,
this.perLayerFiltered,
3,
this.layerState,
this.mapProperties.zoom
)
this.hasDataInView = new NoElementsInViewDetector(this).hasFeatureInView
this.imageUploadManager = new ImageUploadManager(
layout,
Imgur.singleton,
this.featureProperties,
this.osmConnection,
this.changes
)
this.favourites = new FavouritesFeatureSource(this)
this.initActors()
this.drawSpecialLayers()
this.initHotkeys()
this.miscSetup()
this.focusOnMap()
if (!Utils.runningFromConsole) {
console.log("State setup completed", this)
}
}
/* By focussing on the map, the keyboard panning and zoom with '+' and '+' works */
public focusOnMap() {
if (this.map.data) {
this.map.data.getCanvas().focus()
return
}
this.map.addCallbackAndRunD((map) => {
map.on("load", () => {
map.getCanvas().focus()
})
return true
})
}
public showNormalDataOn(map: Store<MlMap>): ReadonlyMap<string, FilteringFeatureSource> {
const filteringFeatureSource = new Map<string, FilteringFeatureSource>()
this.perLayer.forEach((fs, layerName) => {
const doShowLayer = this.mapProperties.zoom.map(
(z) =>
(fs.layer.isDisplayed?.data ?? true) && z >= (fs.layer.layerDef?.minzoom ?? 0),
[fs.layer.isDisplayed]
)
if (!doShowLayer.data && this.featureSwitches.featureSwitchFilter.data === false) {
/* This layer is hidden and there is no way to enable it (filterview is disabled or this layer doesn't show up in the filter view as the name is not defined)
*
* This means that we don't have to filter it, nor do we have to display it
*
* Note: it is tempting to also permanently disable the layer if it is not visible _and_ the layer name is hidden.
* However, this is _not_ correct: the layer might be hidden because zoom is not enough. Zooming in more _will_ reveal the layer!
* */
return
}
const filtered = new FilteringFeatureSource(
fs.layer,
fs,
(id) => this.featureProperties.getStore(id),
this.layerState.globalFilters
)
filteringFeatureSource.set(layerName, filtered)
new ShowDataLayer(map, {
layer: fs.layer.layerDef,
features: filtered,
doShowLayer,
metaTags: this.userRelatedState.preferencesAsTags,
selectedElement: this.selectedElement,
selectedLayer: this.selectedLayer,
fetchStore: (id) => this.featureProperties.getStore(id),
})
})
return filteringFeatureSource
}
public openNewDialog() {
this.selectedLayer.setData(undefined)
this.selectedElement.setData(undefined)
const { lon, lat } = this.mapProperties.location.data
const feature = this.lastClickObject.createFeature(lon, lat)
this.featureProperties.trackFeature(feature)
this.selectedElement.setData(feature)
this.selectedLayer.setData(this.newPointDialog.layerDef)
}
/**
* Various small methods that need to be called
*/
private miscSetup() {
this.userRelatedState.markLayoutAsVisited(this.layout)
this.selectedElement.addCallbackAndRunD((feature) => {
// As soon as we have a selected element, we clear the selected element
// This is to work around maplibre, which'll _first_ register the click on the map and only _then_ on the feature
// The only exception is if the last element is the 'add_new'-button, as we don't want it to disappear
if (feature.properties.id === "last_click") {
return
}
this.lastClickObject.features.setData([])
})
if (this.layout.customCss !== undefined && window.location.pathname.indexOf("theme") >= 0) {
Utils.LoadCustomCss(this.layout.customCss)
}
}
/**
* Selects the feature that is 'i' closest to the map center
* @param i
* @private
*/
private selectClosestAtCenter(i: number = 0) {
this.mapProperties.lastKeyNavigation.setData(Date.now() / 1000)
const toSelect = this.closestFeatures.features.data[i]
if (!toSelect) {
return
}
const layer = this.layout.getMatchingLayer(toSelect.properties)
this.selectedElement.setData(undefined)
this.selectedLayer.setData(layer)
this.selectedElement.setData(toSelect)
}
private initHotkeys() {
Hotkeys.RegisterHotkey(
{ nomod: "Escape", onUp: true },
Translations.t.hotkeyDocumentation.closeSidebar,
() => {
if (this.previewedImage.data !== undefined) {
this.previewedImage.setData(undefined)
return
}
this.selectedElement.setData(undefined)
this.guistate.closeAll()
this.focusOnMap()
}
)
Hotkeys.RegisterHotkey(
{ nomod: "f" },
Translations.t.hotkeyDocumentation.selectFavourites,
() => {
this.guistate.menuViewTab.setData("favourites")
this.guistate.menuIsOpened.setData(true)
}
)
this.mapProperties.lastKeyNavigation.addCallbackAndRunD((_) => {
Hotkeys.RegisterHotkey(
{
nomod: " ",
onUp: true,
},
Translations.t.hotkeyDocumentation.selectItem,
() => this.selectClosestAtCenter(0)
)
Hotkeys.RegisterHotkey(
{
nomod: "Spacebar",
onUp: true,
},
Translations.t.hotkeyDocumentation.selectItem,
() => this.selectClosestAtCenter(0)
)
for (let i = 1; i < 9; i++) {
Hotkeys.RegisterHotkey(
{
nomod: "" + i,
onUp: true,
},
Translations.t.hotkeyDocumentation.selectItem,
() => this.selectClosestAtCenter(i - 1)
)
}
return true // unregister
})
this.featureSwitches.featureSwitchBackgroundSelection.addCallbackAndRun((enable) => {
if (!enable) {
return
}
Hotkeys.RegisterHotkey(
{
nomod: "b",
},
Translations.t.hotkeyDocumentation.openLayersPanel,
() => {
if (this.featureSwitches.featureSwitchFilter.data) {
this.guistate.openFilterView()
}
}
)
Hotkeys.RegisterHotkey(
{ shift: "O" },
Translations.t.hotkeyDocumentation.selectMapnik,
() => {
this.mapProperties.rasterLayer.setData(AvailableRasterLayers.osmCarto)
}
)
const setLayerCategory = (category: EliCategory) => {
const available = this.availableLayers.data
const current = this.mapProperties.rasterLayer
const best = RasterLayerUtils.SelectBestLayerAccordingTo(
available,
category,
current.data
)
console.log("Best layer for category", category, "is", best.properties.id)
current.setData(best)
}
Hotkeys.RegisterHotkey(
{ nomod: "O" },
Translations.t.hotkeyDocumentation.selectOsmbasedmap,
() => setLayerCategory("osmbasedmap")
)
Hotkeys.RegisterHotkey(
{ nomod: "M" },
Translations.t.hotkeyDocumentation.selectMap,
() => setLayerCategory("map")
)
Hotkeys.RegisterHotkey(
{ nomod: "P" },
Translations.t.hotkeyDocumentation.selectAerial,
() => setLayerCategory("photo")
)
return true
})
}
/**
* Add the special layers to the map
*/
private drawSpecialLayers() {
type AddedByDefaultTypes = (typeof Constants.added_by_default)[number]
const empty = []
/**
* A listing which maps the layerId onto the featureSource
*/
const specialLayers: Record<
Exclude<AddedByDefaultTypes, "last_click"> | "current_view",
FeatureSource
> = {
home_location: this.userRelatedState.homeLocation,
gps_location: this.geolocation.currentUserLocation,
gps_location_history: this.geolocation.historicalUserLocations,
gps_track: this.geolocation.historicalUserLocationsTrack,
selected_element: new StaticFeatureSource(
this.selectedElement.map((f) => (f === undefined ? empty : [f]))
),
range: new StaticFeatureSource(
this.mapProperties.maxbounds.map((bbox) =>
bbox === undefined ? empty : <Feature[]>[bbox.asGeoJson({ id: "range" })]
)
),
current_view: this.currentView,
favourite: this.favourites,
}
this.closestFeatures.registerSource(specialLayers.favourite, "favourite")
if (this.layout?.lockLocation) {
const bbox = new BBox(this.layout.lockLocation)
this.mapProperties.maxbounds.setData(bbox)
ShowDataLayer.showRange(
this.map,
new StaticFeatureSource([bbox.asGeoJson({ id: "range" })]),
this.featureSwitches.featureSwitchIsTesting
)
}
const currentViewLayer = this.layout.layers.find((l) => l.id === "current_view")
if (currentViewLayer?.tagRenderings?.length > 0) {
const params = MetaTagging.createExtraFuncParams(this)
this.featureProperties.trackFeatureSource(specialLayers.current_view)
specialLayers.current_view.features.addCallbackAndRunD((features) => {
MetaTagging.addMetatags(
features,
params,
currentViewLayer,
this.layout,
this.osmObjectDownloader,
this.featureProperties
)
})
}
const rangeFLayer: FilteredLayer = this.layerState.filteredLayers.get("range")
const rangeIsDisplayed = rangeFLayer?.isDisplayed
if (
rangeFLayer &&
!QueryParameters.wasInitialized(FilteredLayer.queryParameterKey(rangeFLayer.layerDef))
) {
rangeIsDisplayed?.syncWith(this.featureSwitches.featureSwitchIsTesting, true)
}
// enumarate all 'normal' layers and match them with the appropriate 'special' layer - if applicable
this.layerState.filteredLayers.forEach((flayer) => {
const id = flayer.layerDef.id
const features: FeatureSource = specialLayers[id]
if (features === undefined) {
return
}
if (id === "favourite") {
console.log("Matching special layer", id, flayer)
}
this.featureProperties.trackFeatureSource(features)
new ShowDataLayer(this.map, {
features,
doShowLayer: flayer.isDisplayed,
layer: flayer.layerDef,
metaTags: this.userRelatedState.preferencesAsTags,
selectedElement: this.selectedElement,
selectedLayer: this.selectedLayer,
})
})
}
/**
* Setup various services for which no reference are needed
*/
private initActors() {
// Unselect the selected element if it is panned out of view
this.mapProperties.bounds.stabilized(250).addCallbackD((bounds) => {
const selected = this.selectedElement.data
if (selected === undefined) {
return
}
const bbox = BBox.get(selected)
if (!bbox.overlapsWith(bounds)) {
this.selectedElement.setData(undefined)
}
})
this.selectedElement.addCallback((selected) => {
if (selected === undefined) {
// We did _unselect_ an item - we always remove the lastclick-object
this.lastClickObject.features.setData([])
this.selectedLayer.setData(undefined)
this.focusOnMap()
}
})
this.guistate.allToggles.forEach((toggle) => {
toggle.toggle.addCallbackD((isOpened) => {
if (!isOpened) {
this.focusOnMap()
}
})
})
new ThemeViewStateHashActor(this)
new MetaTagging(this)
new TitleHandler(this.selectedElement, this.selectedLayer, this.featureProperties, this)
new ChangeToElementsActor(this.changes, this.featureProperties)
new PendingChangesUploader(this.changes, this.selectedElement)
new SelectedElementTagsUpdater(this)
new BackgroundLayerResetter(this.mapProperties.rasterLayer, this.availableLayers)
new PreferredRasterLayerSelector(
this.mapProperties.rasterLayer,
this.availableLayers,
this.featureSwitches.backgroundLayerId,
this.userRelatedState.preferredBackgroundLayer
)
}
}