Files
CPLv4.0/components/main/kabelueberwachung/kue705FO/Charts/TDRChart/TDRChart.tsx
2025-02-13 19:32:01 +01:00

73 lines
2.1 KiB
TypeScript

import React, { useEffect, useRef } from "react";
import { useSelector } from "react-redux";
import { RootState } from "../../../../redux/store";
import Chart from "chart.js/auto";
import "chartjs-adapter-date-fns";
import { parseISO } from "date-fns";
const TDRChart: React.FC = () => {
const chartRef = useRef<HTMLCanvasElement>(null);
const chartInstance = useRef<Chart | null>(null);
// Nutze entweder Redux-Daten oder Mock-Daten
const chartData = useSelector((state: RootState) => state.chartData.data) || [
{ timestamp: "2025-02-13T12:00:00", tdr: 2.1 },
{ timestamp: "2025-02-13T12:10:00", tdr: 2.3 },
{ timestamp: "2025-02-13T12:20:00", tdr: 2.6 },
];
useEffect(() => {
if (chartRef.current) {
if (chartInstance.current) {
chartInstance.current.destroy();
}
const ctx = chartRef.current.getContext("2d");
if (ctx) {
chartInstance.current = new Chart(ctx, {
type: "line",
data: {
labels: chartData.map((entry) => parseISO(entry.timestamp)),
datasets: [
{
label: "TDR Entfernung (km)",
data: chartData.map((entry) => entry.tdr ?? 0),
borderColor: "rgba(255, 99, 132, 1)",
backgroundColor: "rgba(255, 99, 132, 0.2)",
tension: 0.1,
},
],
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
x: {
type: "time",
time: { unit: "minute", tooltipFormat: "dd.MM.yyyy HH:mm" },
title: { display: true, text: "Zeit" },
},
y: {
title: { display: true, text: "km" },
min: 0,
max: 3,
},
},
},
});
}
}
return () => {
if (chartInstance.current) {
chartInstance.current.destroy();
chartInstance.current = null;
}
};
}, [chartData]);
return <canvas ref={chartRef} style={{ width: "100%", height: "20rem" }} />;
};
export default TDRChart;