mapcomplete/UI/Wikipedia/WikidataSearchBox.ts

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4.7 KiB
TypeScript

import Combine from "../Base/Combine";
import {InputElement} from "../Input/InputElement";
import {TextField} from "../Input/TextField";
import Translations from "../i18n/Translations";
import {UIEventSource} from "../../Logic/UIEventSource";
import Wikidata, {WikidataResponse} from "../../Logic/Web/Wikidata";
import Locale from "../i18n/Locale";
import {VariableUiElement} from "../Base/VariableUIElement";
import WikidataPreviewBox from "./WikidataPreviewBox";
import Title from "../Base/Title";
import WikipediaBox from "./WikipediaBox";
import Svg from "../../Svg";
export default class WikidataSearchBox extends InputElement<string> {
private static readonly _searchCache = new Map<string, Promise<WikidataResponse[]>>()
IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
private readonly wikidataId: UIEventSource<string>
private readonly searchText: UIEventSource<string>
constructor(options?: {
searchText?: UIEventSource<string>,
value?: UIEventSource<string>
}) {
super();
this.searchText = options?.searchText
this.wikidataId = options?.value ?? new UIEventSource<string>(undefined);
}
GetValue(): UIEventSource<string> {
return this.wikidataId;
}
IsValid(t: string): boolean {
return t.startsWith("Q") && !isNaN(Number(t.substring(1)));
}
protected InnerConstructElement(): HTMLElement {
const searchField = new TextField({
placeholder: Translations.t.general.wikipedia.searchWikidata,
value: this.searchText,
inputStyle: "width: calc(100% - 0.5rem); border: 1px solid black"
})
const selectedWikidataId = this.wikidataId
const lastSearchResults = new UIEventSource<WikidataResponse[]>([])
const searchFailMessage = new UIEventSource(undefined)
searchField.GetValue().addCallbackAndRunD(searchText => {
if (searchText.length < 3) {
return;
}
searchFailMessage.setData(undefined)
const lang = Locale.language.data
const key = lang + ":" + searchText
let promise = WikidataSearchBox._searchCache.get(key)
if (promise === undefined) {
promise = Wikidata.searchAndFetch(searchText, {
lang,
maxCount: 5
}
)
WikidataSearchBox._searchCache.set(key, promise)
}
lastSearchResults.WaitForPromise(promise, err => searchFailMessage.setData(err))
})
const previews = new VariableUiElement(lastSearchResults.map(searchResults => {
if (searchFailMessage.data !== undefined) {
return new Combine([Translations.t.general.wikipedia.failed.Clone().SetClass("alert"), searchFailMessage.data])
}
if (searchResults.length === 0) {
return Translations.t.general.wikipedia.noResults.Subs({search: searchField.GetValue().data ?? ""})
}
if (searchResults.length === 0) {
return Translations.t.general.wikipedia.doSearch
}
return new Combine(searchResults.map(wikidataresponse => {
const el = WikidataPreviewBox.WikidataResponsePreview(wikidataresponse).SetClass("rounded-xl p-1 sm:p-2 md:p-3 m-px border-2 sm:border-4 transition-colors")
el.onClick(() => {
selectedWikidataId.setData(wikidataresponse.id)
})
selectedWikidataId.addCallbackAndRunD(selected => {
if (selected === wikidataresponse.id) {
el.SetClass("subtle-background border-attention")
} else {
el.RemoveClass("subtle-background")
el.RemoveClass("border-attention")
}
})
return el;
})).SetClass("flex flex-col")
}, [searchFailMessage]))
const full = new Combine([
new Title(Translations.t.general.wikipedia.searchWikidata, 3).SetClass("m-2"),
new Combine([
Svg.search_ui().SetStyle("width: 1.5rem"),
searchField.SetClass("m-2 w-full")]).SetClass("flex"),
previews
]).SetClass("flex flex-col border-2 border-black rounded-xl m-2 p-2")
return new Combine([
new VariableUiElement(selectedWikidataId.map(wid => {
if (wid === undefined) {
return undefined
}
return new WikipediaBox(wid.split(";"));
})).SetStyle("max-height:12.5rem"),
full
]).ConstructElement();
}
}