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