mapcomplete/Customizations/JSON/LayoutConfig.ts

349 lines
No EOL
15 KiB
TypeScript

import {Translation} from "../../UI/i18n/Translation";
import TagRenderingConfig from "./TagRenderingConfig";
import LayerConfig from "./LayerConfig";
import {LayoutConfigJson} from "./LayoutConfigJson";
import AllKnownLayers from "../AllKnownLayers";
import SharedTagRenderings from "../SharedTagRenderings";
import {Utils} from "../../Utils";
import {Denomination, Unit} from "./Denomination";
export default class LayoutConfig {
public readonly id: string;
public readonly maintainer: string;
public readonly credits?: string;
public readonly changesetmessage?: string;
public readonly version: string;
public readonly language: string[];
public readonly title: Translation;
public readonly shortDescription?: Translation;
public readonly description: Translation;
public readonly descriptionTail?: Translation;
public readonly icon: string;
public readonly socialImage?: string;
public readonly startZoom: number;
public readonly startLat: number;
public readonly startLon: number;
public readonly widenFactor: number;
public readonly roamingRenderings: TagRenderingConfig[];
public readonly defaultBackgroundId?: string;
public layers: LayerConfig[];
public readonly clustering?: {
maxZoom: number,
minNeededElements: number
};
public readonly hideFromOverview: boolean;
public lockLocation: boolean | [[number, number], [number, number]];
public readonly enableUserBadge: boolean;
public readonly enableShareScreen: boolean;
public readonly enableMoreQuests: boolean;
public readonly enableAddNewPoints: boolean;
public readonly enableLayers: boolean;
public readonly enableSearch: boolean;
public readonly enableGeolocation: boolean;
public readonly enableBackgroundLayerSelection: boolean;
public readonly enableShowAllQuestions: boolean;
public readonly enableExportButton: boolean;
public readonly customCss?: string;
/*
How long is the cache valid, in seconds?
*/
public readonly cacheTimeout?: number;
public readonly units: Unit[] = []
private readonly _official: boolean;
constructor(json: LayoutConfigJson, official = true, context?: string) {
this._official = official;
this.id = json.id;
context = (context ?? "") + "." + this.id;
this.maintainer = json.maintainer;
this.credits = json.credits;
this.changesetmessage = json.changesetmessage;
this.version = json.version;
this.language = [];
if (typeof json.language === "string") {
this.language = [json.language];
} else {
this.language = json.language;
}
if (this.language.length == 0) {
throw "No languages defined. Define at least one language"
}
if (json.title === undefined) {
throw "Title not defined in " + this.id;
}
if (json.description === undefined) {
throw "Description not defined in " + this.id;
}
this.units = LayoutConfig.ExtractUnits(json, context) ?? [];
this.title = new Translation(json.title, context + ".title");
this.description = new Translation(json.description, context + ".description");
this.shortDescription = json.shortDescription === undefined ? this.description.FirstSentence() : new Translation(json.shortDescription, context + ".shortdescription");
this.descriptionTail = json.descriptionTail === undefined ? new Translation({"*": ""}, context + ".descriptionTail") : new Translation(json.descriptionTail, context + ".descriptionTail");
this.icon = json.icon;
this.socialImage = json.socialImage;
this.startZoom = json.startZoom;
this.startLat = json.startLat;
this.startLon = json.startLon;
this.widenFactor = json.widenFactor ?? 0.05;
this.roamingRenderings = (json.roamingRenderings ?? []).map((tr, i) => {
if (typeof tr === "string") {
if (SharedTagRenderings.SharedTagRendering.get(tr) !== undefined) {
return SharedTagRenderings.SharedTagRendering.get(tr);
}
}
return new TagRenderingConfig(tr, undefined, `${this.id}.roaming_renderings[${i}]`);
}
);
this.defaultBackgroundId = json.defaultBackgroundId;
this.layers = LayoutConfig.ExtractLayers(json, this.units, official, context);
// ALl the layers are constructed, let them share tags in now!
const roaming: { r, source: LayerConfig }[] = []
for (const layer of this.layers) {
roaming.push({r: layer.GetRoamingRenderings(), source: layer});
}
for (const layer of this.layers) {
for (const r of roaming) {
if (r.source == layer) {
continue;
}
layer.AddRoamingRenderings(r.r);
}
}
for (const layer of this.layers) {
layer.AddRoamingRenderings(
{
titleIcons: [],
iconOverlays: [],
tagRenderings: this.roamingRenderings
}
);
}
this.clustering = {
maxZoom: 16,
minNeededElements: 500
};
if (json.clustering) {
this.clustering = {
maxZoom: json.clustering.maxZoom ?? 18,
minNeededElements: json.clustering.minNeededElements ?? 1
}
for (const layer of this.layers) {
if (layer.wayHandling !== LayerConfig.WAYHANDLING_CENTER_ONLY) {
console.debug("WARNING: In order to allow clustering, every layer must be set to CENTER_ONLY. Layer", layer.id, "does not respect this for layout", this.id);
}
}
}
this.hideFromOverview = json.hideFromOverview ?? false;
// @ts-ignore
if (json.hideInOverview) {
throw "The json for " + this.id + " contains a 'hideInOverview'. Did you mean hideFromOverview instead?"
}
this.lockLocation = json.lockLocation ?? undefined;
this.enableUserBadge = json.enableUserBadge ?? true;
this.enableShareScreen = json.enableShareScreen ?? true;
this.enableMoreQuests = json.enableMoreQuests ?? true;
this.enableLayers = json.enableLayers ?? true;
this.enableSearch = json.enableSearch ?? true;
this.enableGeolocation = json.enableGeolocation ?? true;
this.enableAddNewPoints = json.enableAddNewPoints ?? true;
this.enableBackgroundLayerSelection = json.enableBackgroundLayerSelection ?? true;
this.enableShowAllQuestions = json.enableShowAllQuestions ?? false;
this.enableExportButton = json.enableExportButton ?? false;
this.customCss = json.customCss;
this.cacheTimeout = json.cacheTimout ?? (60 * 24 * 60 * 60)
}
private static ExtractLayers(json: LayoutConfigJson, units: Unit[], official: boolean, context: string): LayerConfig[] {
const result: LayerConfig[] = []
json.layers.forEach((layer, i) => {
if (typeof layer === "string") {
if (AllKnownLayers.sharedLayersJson.get(layer) !== undefined) {
if (json.overrideAll !== undefined) {
let lyr = JSON.parse(JSON.stringify(AllKnownLayers.sharedLayersJson[layer]));
const newLayer = new LayerConfig(Utils.Merge(json.overrideAll, lyr), units, `${json.id}+overrideAll.layers[${i}]`, official)
result.push(newLayer)
return
} else {
result.push(AllKnownLayers.sharedLayers[layer])
return
}
} else {
console.log("Layer ", layer," not kown, try one of", Array.from(AllKnownLayers.sharedLayers.keys()).join(", "))
throw `Unknown builtin layer ${layer} at ${context}.layers[${i}]`;
}
}
if (layer["builtin"] === undefined) {
if (json.overrideAll !== undefined) {
layer = Utils.Merge(json.overrideAll, layer);
}
// @ts-ignore
const newLayer = new LayerConfig(layer, units, `${json.id}.layers[${i}]`, official)
result.push(newLayer)
return
}
// @ts-ignore
let names = layer.builtin;
if (typeof names === "string") {
names = [names]
}
names.forEach(name => {
const shared = AllKnownLayers.sharedLayersJson.get(name);
if (shared === undefined) {
throw `Unknown shared/builtin layer ${name} at ${context}.layers[${i}]. Available layers are ${Array.from(AllKnownLayers.sharedLayersJson.keys()).join(", ")}`;
}
// @ts-ignore
let newLayer: LayerConfigJson = Utils.Merge(layer.override, JSON.parse(JSON.stringify(shared))); // We make a deep copy of the shared layer, in order to protect it from changes
if (json.overrideAll !== undefined) {
newLayer = Utils.Merge(json.overrideAll, newLayer);
}
// @ts-ignore
const layerConfig = new LayerConfig(newLayer, units, `${json.id}.layers[${i}]`, official)
result.push(layerConfig)
return
})
});
return result
}
private static ExtractUnits(json: LayoutConfigJson, context: string): Unit[] {
const result: Unit[] = []
if ((json.units ?? []).length !== 0) {
for (let i1 = 0; i1 < json.units.length; i1++) {
let unit = json.units[i1];
const appliesTo = unit.appliesToKey
for (let i = 0; i < appliesTo.length; i++) {
let key = appliesTo[i];
if (key.trim() !== key) {
throw `${context}.unit[${i1}].appliesToKey[${i}] is invalid: it starts or ends with whitespace`
}
}
if ((unit.applicableUnits ?? []).length === 0) {
throw `${context}: define at least one applicable unit`
}
// Some keys do have unit handling
const defaultSet = unit.applicableUnits.filter(u => u.default === true)
// No default is defined - we pick the first as default
if (defaultSet.length === 0) {
unit.applicableUnits[0].default = true
}
// Check that there are not multiple defaults
if (defaultSet.length > 1) {
throw `Multiple units are set as default: they have canonical values of ${defaultSet.map(u => u.canonicalDenomination).join(", ")}`
}
const applicable = unit.applicableUnits.map((u, i) => new Denomination(u, `${context}.units[${i}]`))
result.push(new Unit(appliesTo, applicable, unit.eraseInvalidValues ?? false));
}
const seenKeys = new Set<string>()
for (const unit of result) {
const alreadySeen = Array.from(unit.appliesToKeys).filter((key: string) => seenKeys.has(key));
if (alreadySeen.length > 0) {
throw `${context}.units: multiple units define the same keys. The key(s) ${alreadySeen.join(",")} occur multiple times`
}
unit.appliesToKeys.forEach(key => seenKeys.add(key))
}
return result;
}
}
public CustomCodeSnippets(): string[] {
if (this._official) {
return [];
}
const msg = "<br/><b>This layout uses <span class='alert'>custom javascript</span>, loaded for the wide internet. The code is printed below, please report suspicious code on the issue tracker of MapComplete:</b><br/>"
const custom = [];
for (const layer of this.layers) {
custom.push(...layer.CustomCodeSnippets().map(code => code + "<br />"))
}
if (custom.length === 0) {
return custom;
}
custom.splice(0, 0, msg);
return custom;
}
public ExtractImages(): Set<string> {
const icons = new Set<string>()
for (const layer of this.layers) {
layer.ExtractImages().forEach(icons.add, icons)
}
icons.add(this.icon)
icons.add(this.socialImage)
return icons
}
public LayerIndex(): Map<string, LayerConfig> {
const index = new Map<string, LayerConfig>();
for (const layer of this.layers) {
index.set(layer.id, layer)
}
return index;
}
/**
* Replaces all the relative image-urls with a fixed image url
* This is to fix loading from external sources
*
* It should be passed the location where the original theme file is hosted.
*
* If no images are rewritten, the same object is returned, otherwise a new copy is returned
*/
public patchImages(originalURL: string, originalJson: string): LayoutConfig {
const allImages = Array.from(this.ExtractImages())
const rewriting = new Map<string, string>()
// Needed for absolute urls: note that it doesn't contain a trailing slash
const origin = new URL(originalURL).origin
let path = new URL(originalURL).href
path = path.substring(0, path.lastIndexOf("/"))
for (const image of allImages) {
if (image == "" || image == undefined) {
continue
}
if (image.startsWith("http://") || image.startsWith("https://")) {
continue
}
if (image.startsWith("/")) {
// This is an absolute path
rewriting.set(image, origin + image)
} else if (image.startsWith("./assets/themes")) {
// Legacy workaround
rewriting.set(image, path + image.substring(image.lastIndexOf("/")))
} else if (image.startsWith("./")) {
// This is a relative url
rewriting.set(image, path + image.substring(1))
} else {
// This is a relative URL with only the path
rewriting.set(image, path + image)
}
}
if (rewriting.size == 0) {
return this;
}
rewriting.forEach((value, key) => {
console.log("Rewriting", key, "==>", value)
originalJson = originalJson.replace(new RegExp(key, "g"), value)
})
return new LayoutConfig(JSON.parse(originalJson), false, "Layout rewriting")
}
}