Files
climate-server/dashboard/src/ui-components/TimerWidget.tsx
Daniel Ledda 70cc228bcb big update
2023-07-26 22:40:44 +02:00

68 lines
2.1 KiB
TypeScript

import {AppStore, getAppState} from "../StateStore";
import GridWidget, {GridProps} from "./GridWidget";
import UIComponent from "./UIComponent";
import * as JSX from "../JSXFactory";
class TimerWidget extends UIComponent {
private readonly display: HTMLElement;
private skeleton: GridWidget;
private nextUpdateTime: number;
private timerRef: HTMLElement;
private lastUpdateRef: HTMLElement;
constructor(gridProps: GridProps) {
super();
this.display = <this.MainDisplay />;
this.skeleton = new GridWidget({
...gridProps,
className: "timer-widget",
title: "Next update in:",
body: this.display,
});
AppStore().subscribeStoreVal("lastUpdateTime", () => this.resetTimer());
AppStore().subscribeStoreVal("utcOffset", () => this.resetTimer());
setInterval(() => this.refreshTimer(), 10);
this.resetTimer();
}
private resetTimer() {
this.nextUpdateTime = getAppState().lastUpdateTime + getAppState().updateIntervalSeconds;
this.updateUpdateText();
this.refreshTimer();
}
private updateUpdateText() {
this.lastUpdateRef.innerText = new Date(getAppState().lastUpdateTime * 1000 + getAppState().utcOffset * 60 * 60 * 1000).toLocaleString();
}
private MainDisplay = () => {
this.timerRef = <div className={"countdown"}/>;
this.lastUpdateRef =
<span className={"last-update"}>
{new Date(getAppState().lastUpdateTime).toLocaleString()}
</span>;
return (<div>
{this.timerRef}
<div>
<div className={"last-update"}>Last update was at:</div>
<div>{this.lastUpdateRef}</div>
</div>
</div>);
}
private refreshTimer() {
const now = new Date().getTime() / 1000;
if (now <= this.nextUpdateTime) {
this.timerRef.innerText = `${(this.nextUpdateTime - now).toFixed(2)}s`;
} else {
this.timerRef.innerText = "0.00s";
}
}
current() {
return this.skeleton.current();
}
}
export default TimerWidget;