255 lines
10 KiB
TypeScript
255 lines
10 KiB
TypeScript
import { SpecialVisualization } from "../SpecialVisualization"
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import BaseUIElement from "../BaseUIElement"
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import { UIEventSource } from "../../Logic/UIEventSource"
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import FeaturePipelineState from "../../Logic/State/FeaturePipelineState"
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import { VariableUiElement } from "../Base/VariableUIElement"
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import { OsmTags } from "../../Models/OsmFeature"
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import all_languages from "../../assets/language_translations.json"
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import { Translation } from "../i18n/Translation"
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import Combine from "../Base/Combine"
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import Title from "../Base/Title"
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import Lazy from "../Base/Lazy"
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import { SubstitutedTranslation } from "../SubstitutedTranslation"
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import List from "../Base/List"
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import { AllLanguagesSelector } from "./AllLanguagesSelector"
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import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction"
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import { And } from "../../Logic/Tags/And"
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import { Tag } from "../../Logic/Tags/Tag"
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import { EditButton, SaveButton } from "./SaveButton"
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import { FixedUiElement } from "../Base/FixedUiElement"
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import Translations from "../i18n/Translations"
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import Toggle from "../Input/Toggle"
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import { On } from "../../Models/ThemeConfig/Conversion/Conversion"
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export class LanguageElement implements SpecialVisualization {
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funcName: string = "language_chooser"
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docs: string | BaseUIElement =
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"The language element allows to show and pick all known (modern) languages. The key can be set"
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args: { name: string; defaultValue?: string; doc: string; required?: boolean }[] = [
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{
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name: "key",
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required: true,
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doc: "What key to use, e.g. `language`, `tactile_writing:braille:language`, ... If a language is supported, the language code will be appended to this key, resulting in `language:nl=yes` if nl is picked ",
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},
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{
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name: "question",
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required: true,
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doc: "What to ask if no questions are known",
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},
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{
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name: "render_list_item",
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doc: "How a single language will be shown in the list of languages. Use `{language}` to indicate the language (which it must contain).",
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defaultValue: "{language()}",
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},
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{
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name: "render_single_language",
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doc: "What will be shown if the feature only supports a single language",
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required: true,
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},
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{
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name: "render_all",
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doc: "The full rendering. Use `{list}` to show where the list of languages must come. Optional if mode=single",
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defaultValue: "{list()}",
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},
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{
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name: "no_known_languages",
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doc: "The text that is shown if no languages are known for this key. If this text is omitted, the languages will be prompted instead",
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},
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{
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name: "mode",
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doc: "If one or many languages can be selected. Should be 'multi' or 'single'",
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defaultValue: "multi",
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},
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]
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example: `
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\`\`\`json
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{"special":
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"type": "language_chooser",
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"key": "school:language",
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"question": {"en": "What are the main (and administrative) languages spoken in this school?"},
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"render_single_language": {"en": "{language()} is spoken on this school"},
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"render_list_item": {"en": "{language()}"},
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"render_all": {"en": "The following languages are spoken here:{list()}"}
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"mode":"multi"
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}
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\`\`\`
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`
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constr(
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state: FeaturePipelineState,
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tagSource: UIEventSource<OsmTags>,
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argument: string[]
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): BaseUIElement {
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let [key, question, item_render, single_render, all_render, on_no_known_languages, mode] =
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argument
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if (mode === undefined || mode.length == 0) {
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mode = "multi"
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}
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if (item_render === undefined || item_render.trim() === "") {
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item_render = "{language()}"
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}
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if (all_render === undefined || all_render.length == 0) {
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all_render = "{list()}"
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}
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if (mode !== "single" && mode !== "multi") {
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throw (
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"Error while calling language_chooser: mode must be either 'single' or 'multi' but it is " +
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mode
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)
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}
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if (single_render.indexOf("{language()") < 0) {
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throw (
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"Error while calling language_chooser: render_single_language must contain '{language()}' but it is " +
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single_render
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)
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}
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if (item_render.indexOf("{language()") < 0) {
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throw (
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"Error while calling language_chooser: render_list_item must contain '{language()}' but it is " +
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item_render
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)
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}
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if (all_render.indexOf("{list()") < 0) {
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throw "Error while calling language_chooser: render_all must contain '{list()}'"
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}
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const prefix = key + ":"
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const foundLanguages = tagSource.map((tags) => {
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const foundLanguages: string[] = []
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for (const k in tags) {
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const v = tags[k]
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if (v !== "yes") {
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continue
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}
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if (k.startsWith(prefix)) {
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foundLanguages.push(k.substring(prefix.length))
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}
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}
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return foundLanguages
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})
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const forceInputMode = new UIEventSource(false)
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const inputEl = new Lazy(() => {
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const selector = new AllLanguagesSelector({
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mode: mode === "single" ? "select-one" : "select-many",
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currentCountry: tagSource.map((tgs) => tgs["_country"]),
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})
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const cancelButton = Toggle.If(forceInputMode, () =>
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Translations.t.general.cancel
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.Clone()
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.SetClass("btn btn-secondary")
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.onClick(() => forceInputMode.setData(false))
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)
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const saveButton = new SaveButton(
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selector.GetValue().map((lngs) => (lngs.length > 0 ? "true" : undefined)),
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state.osmConnection
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).onClick(() => {
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const selectedLanguages = selector.GetValue().data
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const currentLanguages = foundLanguages.data
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const selection: Tag[] = selectedLanguages.map((ln) => new Tag(prefix + ln, "yes"))
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for (const currentLanguage of currentLanguages) {
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if (selectedLanguages.indexOf(currentLanguage) >= 0) {
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continue
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}
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// Erase language that is not spoken anymore
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selection.push(new Tag(prefix + currentLanguage, ""))
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}
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if (state.featureSwitchIsTesting.data) {
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for (const tag of selection) {
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tagSource.data[tag.key] = tag.value
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}
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tagSource.ping()
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} else {
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;(state?.changes)
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.applyAction(
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new ChangeTagAction(
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tagSource.data.id,
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new And(selection),
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tagSource.data,
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{
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theme: state?.layoutToUse?.id ?? "unkown",
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changeType: "answer",
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}
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)
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)
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.then((_) => {
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console.log("Tagchanges applied")
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})
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}
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forceInputMode.setData(false)
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})
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return new Combine([
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new Title(question),
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selector,
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new Combine([cancelButton, saveButton]).SetClass("flex justify-end"),
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]).SetClass("flex flex-col question disable-links")
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})
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const editButton = new EditButton(state.osmConnection, () => forceInputMode.setData(true))
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return new VariableUiElement(
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foundLanguages.map(
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(foundLanguages) => {
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if (forceInputMode.data) {
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return inputEl
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}
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if (foundLanguages.length === 0) {
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// No languages found - we show the question and the input element
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if (
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on_no_known_languages !== undefined &&
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on_no_known_languages.length > 0
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) {
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return new Combine([on_no_known_languages, editButton]).SetClass(
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"flex justify-end"
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)
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}
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return inputEl
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}
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let rendered: BaseUIElement
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if (foundLanguages.length === 1) {
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const ln = foundLanguages[0]
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let mapping = new Map<string, BaseUIElement>()
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mapping.set("language", new Translation(all_languages[ln]))
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rendered = new SubstitutedTranslation(
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new Translation({ "*": single_render }, undefined),
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tagSource,
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state,
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mapping
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)
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} else {
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let mapping = new Map<string, BaseUIElement>()
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const languagesList = new List(
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foundLanguages.map((ln) => {
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let mappingLn = new Map<string, BaseUIElement>()
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mappingLn.set("language", new Translation(all_languages[ln]))
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return new SubstitutedTranslation(
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new Translation({ "*": item_render }, undefined),
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tagSource,
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state,
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mappingLn
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)
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})
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)
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mapping.set("list", languagesList)
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rendered = new SubstitutedTranslation(
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new Translation({ "*": all_render }, undefined),
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tagSource,
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state,
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mapping
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)
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}
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return new Combine([rendered, editButton]).SetClass("flex justify-between")
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},
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[forceInputMode]
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)
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)
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}
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}
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