import {UIElement} from "./UIElement"; import Translations from "./i18n/Translations"; import State from "../State"; export default class CenterMessageBox extends UIElement { constructor() { super(State.state.centerMessage); this.ListenTo(State.state.locationControl); this.ListenTo(State.state.layerUpdater.timeout); this.ListenTo(State.state.layerUpdater.runningQuery); this.ListenTo(State.state.layerUpdater.sufficientlyZoomed); } private static prep(): { innerHtml: string, done: boolean } { if (State.state.centerMessage.data != "") { return {innerHtml: State.state.centerMessage.data, done: false}; } const lu = State.state.layerUpdater; if (lu.timeout.data > 0) { return { innerHtml: Translations.t.centerMessage.retrying.Subs({count: "" + lu.timeout.data}).Render(), done: false }; } if (lu.runningQuery.data) { return {innerHtml: Translations.t.centerMessage.loadingData.Render(), done: false}; } if (!lu.sufficientlyZoomed.data) { return {innerHtml: Translations.t.centerMessage.zoomIn.Render(), done: false}; } else { return {innerHtml: Translations.t.centerMessage.ready.Render(), done: true}; } } InnerRender(): string { return CenterMessageBox.prep().innerHtml; } InnerUpdate(htmlElement: HTMLElement) { const pstyle = htmlElement.parentElement.style; if (State.state.centerMessage.data != "") { pstyle.opacity = "1"; pstyle.pointerEvents = "all"; return; } pstyle.pointerEvents = "none"; if (CenterMessageBox.prep().done) { pstyle.opacity = "0"; } else { pstyle.opacity = "0.5"; } } }