forked from MapComplete/MapComplete
56 lines
2 KiB
TypeScript
56 lines
2 KiB
TypeScript
import { Store, UIEventSource } from "../UIEventSource"
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import Locale from "../../UI/i18n/Locale"
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import TagRenderingAnswer from "../../UI/Popup/TagRenderingAnswer"
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import Combine from "../../UI/Base/Combine"
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import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig"
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import { ElementStorage } from "../ElementStorage"
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import { Utils } from "../../Utils"
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export default class TitleHandler {
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constructor(state: {
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selectedElement: Store<any>
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layoutToUse: LayoutConfig
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allElements: ElementStorage
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}) {
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const currentTitle: Store<string> = state.selectedElement.map(
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(selected) => {
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const layout = state.layoutToUse
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const defaultTitle = layout?.title?.txt ?? "MapComplete"
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if (selected === undefined) {
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return defaultTitle
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}
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const tags = selected.properties
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for (const layer of layout.layers) {
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if (layer.title === undefined) {
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continue
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}
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if (layer.source.osmTags.matchesProperties(tags)) {
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const tagsSource =
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state.allElements.getEventSourceById(tags.id) ??
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new UIEventSource<any>(tags)
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const title = new TagRenderingAnswer(tagsSource, layer.title, {})
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return (
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new Combine([defaultTitle, " | ", title]).ConstructElement()
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?.textContent ?? defaultTitle
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)
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}
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}
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return defaultTitle
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},
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[Locale.language]
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)
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currentTitle.addCallbackAndRunD((title) => {
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if (Utils.runningFromConsole) {
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return
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}
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try {
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document.title = title
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} catch (e) {
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console.error(e)
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}
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})
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}
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}
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