forked from MapComplete/MapComplete
306 lines
11 KiB
TypeScript
306 lines
11 KiB
TypeScript
import { UIElement } from "../UIElement"
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import { InputElement } from "./InputElement"
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import BaseUIElement from "../BaseUIElement"
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import { Store, UIEventSource } from "../../Logic/UIEventSource"
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import Translations from "../i18n/Translations"
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import Locale from "../i18n/Locale"
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import Combine from "../Base/Combine"
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import { TextField } from "./TextField"
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import Svg from "../../Svg"
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import { VariableUiElement } from "../Base/VariableUIElement"
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/**
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* A single 'pill' which can hide itself if the search criteria is not met
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*/
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class SelfHidingToggle extends UIElement implements InputElement<boolean> {
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private readonly _shown: BaseUIElement
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public readonly _selected: UIEventSource<boolean>
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public readonly isShown: Store<boolean> = new UIEventSource<boolean>(true)
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public readonly forceSelected: UIEventSource<boolean>
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private readonly _squared: boolean
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public constructor(
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shown: string | BaseUIElement,
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mainTerm: Record<string, string>,
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search: Store<string>,
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options?: {
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searchTerms?: Record<string, string[]>
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selected?: UIEventSource<boolean>
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forceSelected?: UIEventSource<boolean>
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squared?: boolean
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}
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) {
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super()
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this._shown = Translations.W(shown)
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this._squared = options?.squared ?? false
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const searchTerms: Record<string, string[]> = {}
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for (const lng in options?.searchTerms ?? []) {
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if (lng === "_context") {
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continue
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}
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searchTerms[lng] = options?.searchTerms[lng]?.map(SelfHidingToggle.clean)
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}
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for (const lng in mainTerm) {
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if (lng === "_context") {
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continue
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}
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const main = SelfHidingToggle.clean(mainTerm[lng])
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searchTerms[lng] = [main].concat(searchTerms[lng] ?? [])
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}
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const selected = (this._selected = options?.selected ?? new UIEventSource<boolean>(false))
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const forceSelected = (this.forceSelected =
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options?.forceSelected ?? new UIEventSource<boolean>(false))
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this.isShown = search.map(
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(s) => {
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if (s === undefined || s.length === 0) {
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return true
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}
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if (selected.data && !forceSelected.data) {
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return true
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}
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s = s?.trim()?.toLowerCase()
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if (searchTerms[Locale.language.data]?.some((t) => t.indexOf(s) >= 0)) {
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return true
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}
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if (searchTerms["*"]?.some((t) => t.indexOf(s) >= 0)) {
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return true
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}
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return false
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},
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[selected, Locale.language]
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)
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const self = this
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this.isShown.addCallbackAndRun((shown) => {
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if (shown) {
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self.RemoveClass("hidden")
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} else {
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self.SetClass("hidden")
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}
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})
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}
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private static clean(s: string): string {
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return s?.trim()?.toLowerCase()?.replace(/[-]/, "")
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}
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GetValue(): UIEventSource<boolean> {
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return this._selected
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}
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IsValid(t: boolean): boolean {
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return true
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}
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protected InnerRender(): string | BaseUIElement {
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let el: BaseUIElement = this._shown
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const selected = this._selected
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selected.addCallbackAndRun((selected) => {
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if (selected) {
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el.SetClass("border-4")
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el.RemoveClass("border")
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el.SetStyle("margin: 0")
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} else {
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el.SetStyle("margin: 3px")
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el.SetClass("border")
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el.RemoveClass("border-4")
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}
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})
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const forcedSelection = this.forceSelected
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el.onClick(() => {
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if (forcedSelection.data) {
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selected.setData(true)
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} else {
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selected.setData(!selected.data)
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}
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})
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if (!this._squared) {
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el.SetClass("rounded-full")
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}
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return el.SetClass("border border-black p-1 px-4")
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}
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}
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/**
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* The searchable mappings selector is a selector which shows various pills from which one (or more) options can be chosen.
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* A searchfield can be used to filter the values
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*/
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export class SearchablePillsSelector<T> extends Combine implements InputElement<T[]> {
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private readonly selectedElements: UIEventSource<T[]>
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public readonly someMatchFound: Store<boolean>
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/**
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*
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* @param values
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* @param options
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*/
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constructor(
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values: {
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show: BaseUIElement
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value: T
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mainTerm: Record<string, string>
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searchTerms?: Record<string, string[]>
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}[],
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options?: {
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mode?: "select-one" | "select-many"
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selectedElements?: UIEventSource<T[]>
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searchValue?: UIEventSource<string>
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onNoMatches?: BaseUIElement
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onNoSearchMade?: BaseUIElement
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/**
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* Shows this if there are many (>200) possible mappings
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*/
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onManyElements?: BaseUIElement
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onManyElementsValue?: UIEventSource<T[]>
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selectIfSingle?: false | boolean
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searchAreaClass?: string
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hideSearchBar?: false | boolean
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}
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) {
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const search = new TextField({ value: options?.searchValue })
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const searchBar = options?.hideSearchBar
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? undefined
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: new Combine([
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Svg.search_svg().SetClass("w-8 normal-background"),
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search.SetClass("w-full"),
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]).SetClass("flex items-center border-2 border-black m-2")
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const searchValue = search.GetValue().map((s) => s?.trim()?.toLowerCase())
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const selectedElements = options?.selectedElements ?? new UIEventSource<T[]>([])
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const mode = options?.mode ?? "select-one"
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const onEmpty = options?.onNoMatches ?? Translations.t.general.noMatchingMapping
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const mappedValues: {
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show: SelfHidingToggle
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mainTerm: Record<string, string>
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value: T
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}[] = values.map((v) => {
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const vIsSelected = new UIEventSource(false)
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selectedElements.addCallbackAndRunD((selectedElements) => {
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vIsSelected.setData(selectedElements.some((t) => t === v.value))
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})
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vIsSelected.addCallback((selected) => {
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if (selected) {
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if (mode === "select-one") {
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selectedElements.setData([v.value])
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} else if (!selectedElements.data.some((t) => t === v.value)) {
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selectedElements.data.push(v.value)
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selectedElements.ping()
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}
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} else {
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for (let i = 0; i < selectedElements.data.length; i++) {
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const t = selectedElements.data[i]
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if (t == v.value) {
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selectedElements.data.splice(i, 1)
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selectedElements.ping()
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break
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}
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}
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}
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})
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const toggle = new SelfHidingToggle(v.show, v.mainTerm, searchValue, {
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searchTerms: v.searchTerms,
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selected: vIsSelected,
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squared: mode === "select-many",
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})
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return {
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...v,
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show: toggle,
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}
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})
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let totalShown: Store<number>
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if (options.selectIfSingle) {
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let forcedSelection: { value: T; show: SelfHidingToggle } = undefined
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totalShown = searchValue.map(
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(_) => {
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let totalShown = 0
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let lastShownValue: { value: T; show: SelfHidingToggle }
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for (const mv of mappedValues) {
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const valueIsShown = mv.show.isShown.data
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if (valueIsShown) {
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totalShown++
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lastShownValue = mv
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}
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}
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if (totalShown == 1) {
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if (selectedElements.data?.indexOf(lastShownValue.value) < 0) {
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selectedElements.setData([lastShownValue.value])
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lastShownValue.show.forceSelected.setData(true)
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forcedSelection = lastShownValue
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}
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} else if (forcedSelection != undefined) {
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forcedSelection?.show?.forceSelected?.setData(false)
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forcedSelection = undefined
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selectedElements.setData([])
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}
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return totalShown
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},
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mappedValues.map((mv) => mv.show.GetValue())
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)
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} else {
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totalShown = searchValue.map(
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(_) => mappedValues.filter((mv) => mv.show.isShown.data).length,
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mappedValues.map((mv) => mv.show.GetValue())
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)
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}
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const tooMuchElementsCutoff = 200
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options?.onManyElementsValue?.map(
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(value) => {
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console.log("Installing toMuchElementsValue", value)
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if (tooMuchElementsCutoff <= totalShown.data) {
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selectedElements.setData(value)
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selectedElements.ping()
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}
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},
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[totalShown]
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)
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super([
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searchBar,
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new VariableUiElement(
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Locale.language.map(
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(lng) => {
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if (totalShown.data >= 200) {
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return options?.onManyElements ?? Translations.t.general.useSearch
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}
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if (
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options?.onNoSearchMade !== undefined &&
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(searchValue.data === undefined || searchValue.data.length === 0)
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) {
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return options?.onNoSearchMade
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}
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if (totalShown.data == 0) {
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return onEmpty
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}
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mappedValues.sort((a, b) => (a.mainTerm[lng] < b.mainTerm[lng] ? -1 : 1))
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return new Combine(mappedValues.map((e) => e.show))
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.SetClass("flex flex-wrap w-full content-start")
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.SetClass(options?.searchAreaClass ?? "")
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},
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[totalShown, searchValue]
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)
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),
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])
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this.selectedElements = selectedElements
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this.someMatchFound = totalShown.map((t) => t > 0)
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}
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public GetValue(): UIEventSource<T[]> {
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return this.selectedElements
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}
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IsValid(t: T[]): boolean {
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return true
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}
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}
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