import {UIElement} from "./UIElement"; import OpeningHoursVisualization from "./OhVisualization"; import {UIEventSource} from "../Logic/UIEventSource"; import {VariableUiElement} from "./Base/VariableUIElement"; import LiveQueryHandler from "../Logic/Web/LiveQueryHandler"; import {ImageCarousel} from "./Image/ImageCarousel"; import Combine from "./Base/Combine"; import {FixedUiElement} from "./Base/FixedUiElement"; import Locale from "../UI/i18n/Locale"; import {ImageUploadFlow} from "./Image/ImageUploadFlow"; import {Translation} from "./i18n/Translation"; export class SubstitutedTranslation extends UIElement { private readonly tags: UIEventSource; private readonly translation: Translation; private content: UIElement[]; constructor( translation: Translation, tags: UIEventSource) { super(tags); this.translation = translation; this.tags = tags; const self = this; Locale.language.addCallbackAndRun(() => { self.content = self.CreateContent(); self.Update(); }); } InnerRender(): string { return new Combine(this.content).Render(); } private CreateContent(): UIElement[] { let txt = this.translation?.txt; if (txt === undefined) { return [] } const tags = this.tags.data; txt = SubstitutedTranslation.SubstituteKeys(txt, tags); return this.EvaluateSpecialComponents(txt); } public static SubstituteKeys(txt: string, tags: any) { for (const key in tags) { // Poor mans replace all txt = txt.split("{" + key + "}").join(tags[key]); } return txt; } private EvaluateSpecialComponents(template: string): UIElement[] { for (const knownSpecial of SpecialVisualizations.specialVisualizations) { // NOte: the '.*?' in the regex reads as 'any character, but in a non-greedy way' const matched = template.match(`(.*){${knownSpecial.funcName}\\((.*?)\\)}(.*)`); if (matched != null) { // We found a special component that should be brought to live const partBefore = this.EvaluateSpecialComponents(matched[1]); const argument = matched[2].trim(); const partAfter = this.EvaluateSpecialComponents(matched[3]); try { const args = knownSpecial.args.map(arg => arg.defaultValue ?? ""); if (argument.length > 0) { const realArgs = argument.split(",").map(str => str.trim()); for (let i = 0; i < realArgs.length; i++) { if (args.length <= i) { args.push(realArgs[i]); } else { args[i] = realArgs[i]; } } } const element = knownSpecial.constr(this.tags, args); return [...partBefore, element, ...partAfter] } catch (e) { console.error(e); return [...partBefore,new FixedUiElement(`Failed loading ${knownSpecial.funcName}(${matched[2]}): ${e}`) , ...partAfter] } } } // IF we end up here, no changes have to be made return [new FixedUiElement(template)]; } } export default class SpecialVisualizations { public static specialVisualizations: { funcName: string, constr: ((tagSource: UIEventSource, argument: string[]) => UIElement), docs: string, example?: string, args: { name: string, defaultValue?: string, doc: string }[] }[] = [{ funcName: "all_tags", docs: "Prints all key-value pairs of the object - used for debugging", args: [], constr: ((tags: UIEventSource) => { return new VariableUiElement(tags.map(tags => { const parts = []; for (const key in tags) { parts.push(key + "=" + tags[key]); } return parts.join("
") })).SetStyle("border: 1px solid black; border-radius: 1em;padding:1em;display:block;") }) }, { funcName: "image_carousel", docs: "Creates an image carousel for the given sources. An attempt will be made to guess what source is used. Supported: Wikidata identifiers, Wikipedia pages, Wikimedia categories, IMGUR (with attribution, direct links)", args: [{ name: "image key/prefix", defaultValue: "image", doc: "The keys given to the images, e.g. if image is given, the first picture URL will be added as image, the second as image:0, the third as image:1, etc... " }, { name: "smart search", defaultValue: "true", doc: "Also include images given via 'Wikidata', 'wikimedia_commons' and 'mapillary" }], constr: (tags, args) => { return new ImageCarousel(tags, args[0], args[1].toLowerCase() === "true"); } }, { funcName: "image_upload", docs: "Creates a button where a user can upload an image to IMGUR", args: [{ name: "image-key", doc: "Image tag to add the URL to (or image-tag:0, image-tag:1 when multiple images are added)", defaultValue: "image" }], constr: (tags, args) => { return new ImageUploadFlow(tags, args[0]) } }, { funcName: "opening_hours_table", docs: "Creates an opening-hours table. Usage: {opening_hours_table(opening_hours)} to create a table of the tag 'opening_hours'.", args: [{ name: "key", defaultValue: "opening_hours", doc: "The tagkey from which the table is constructed." }], constr: (tagSource: UIEventSource, args) => { let keyname = args[0]; if (keyname === undefined || keyname === "") { keyname = keyname ?? "opening_hours" } return new OpeningHoursVisualization(tagSource, keyname) } }, { funcName: "live", docs: "Downloads a JSON from the given URL, e.g. '{live(example.org/data.json, shorthand:x.y.z, other:a.b.c, shorthand)}' will download the given file, will create an object {shorthand: json[x][y][z], other: json[a][b][c] out of it and will return 'other' or 'json[a][b][c]. This is made to use in combination with tags, e.g. {live({url}, {url:format}, needed_value)}", example: "{live({url},{url:format},hour)} {live(https://data.mobility.brussels/bike/api/counts/?request=live&featureID=CB2105,hour:data.hour_cnt;day:data.day_cnt;year:data.year_cnt,hour)}", args: [{ name: "Url", doc: "The URL to load" }, { name: "Shorthands", doc: "A list of shorthands, of the format 'shorthandname:path.path.path'. Seperated by ;" }, { name: "path", doc: "The path (or shorthand) that should be returned" }], constr: (tagSource: UIEventSource, args) => { const url = args[0]; const shorthands = args[1]; const neededValue = args[2]; const source = LiveQueryHandler.FetchLiveData(url, shorthands.split(";")); return new VariableUiElement(source.map(data => data[neededValue] ?? "Loading...")); } }, ] static HelpMessage: UIElement = SpecialVisualizations.GenHelpMessage(); private static GenHelpMessage() { const helpTexts = SpecialVisualizations.specialVisualizations.map(viz => new Combine( [ `

${viz.funcName}

`, viz.docs, "
    ", ...viz.args.map(arg => new Combine([ "
  1. ", "" + arg.name + ": ", arg.doc, arg.defaultValue === undefined ? "" : (" Default: " + arg.defaultValue + ""), "
  2. " ])), "
", "Example usage: ", new FixedUiElement( viz.example ?? "{" + viz.funcName + "(" + viz.args.map(arg => arg.defaultValue).join(",") + ")}" ).SetClass("literal-code"), ] )); return new Combine([ "In a tagrendering, some special values are substituted by an advanced UI-element. This allows advanced features and visualizations to be reused by custom themes or even to query third-party API's.", ...helpTexts ] ); } }