81 lines
2.2 KiB
TypeScript
81 lines
2.2 KiB
TypeScript
import {UIElement} from "./UIElement";
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import {UIEventSource} from "./UIEventSource";
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import {Helpers} from "../Helpers";
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import {OsmConnection} from "../Logic/OsmConnection";
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export class CenterMessageBox extends UIElement {
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private readonly _location: UIEventSource<{ zoom: number }>;
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private readonly _zoomInMore = new UIEventSource<boolean>(true);
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private readonly _centermessage: UIEventSource<string>;
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private readonly _osmConnection: OsmConnection;
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private readonly _queryRunning: UIEventSource<boolean>;
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constructor(
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startZoom: number,
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centermessage: UIEventSource<string>,
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osmConnection: OsmConnection,
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location: UIEventSource<{ zoom: number }>,
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queryRunning: UIEventSource<boolean>
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) {
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super(centermessage);
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this._centermessage = centermessage;
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this._location = location;
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this._osmConnection = osmConnection;
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this._queryRunning = queryRunning;
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this.ListenTo(queryRunning);
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const self = this;
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location.addCallback(function () {
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self._zoomInMore.setData(location.data.zoom < startZoom);
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});
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this.ListenTo(this._zoomInMore);
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}
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protected InnerRender(): string {
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if (this._centermessage.data != "") {
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return this._centermessage.data;
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}
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if (this._zoomInMore.data) {
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return "Zoom in om de data te zien en te bewerken";
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} else if (this._queryRunning.data) {
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return "Data wordt geladen...";
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}
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return "Klaar!";
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}
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private ShouldShowSomething() : boolean{
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if (this._queryRunning.data) {
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return true;
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}
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return this._zoomInMore.data;
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}
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InnerUpdate(htmlElement: HTMLElement) {
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const pstyle = htmlElement.parentElement.style;
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if (this._centermessage.data != "") {
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pstyle.opacity = "1";
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pstyle.pointerEvents = "all";
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Helpers.registerActivateOsmAUthenticationClass(this._osmConnection);
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return;
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}
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pstyle.pointerEvents = "none";
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if (this.ShouldShowSomething()) {
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pstyle.opacity = "0.5";
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} else {
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pstyle.opacity = "0";
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}
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}
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}
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