113 lines
3.3 KiB
TypeScript
113 lines
3.3 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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const LoopMeasurementChart: 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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const chartData =
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useSelector((state: RootState) => state.chartData.data) ?? [];
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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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// Datenvorbereitung: Konvertieren der Zeitstempel in Millisekunden
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const processedData = chartData.map((entry) => ({
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...entry,
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timestampMs: new Date(entry.timestamp).getTime(),
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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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datasets: [
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{
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label: "Messwert i (kOhm)",
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data: processedData.map((entry) => ({
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x: entry.timestampMs,
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y: entry.i ?? 0,
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})),
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borderColor: "rgba(75, 192, 192, 1)",
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backgroundColor: "rgba(75, 192, 192, 0.2)",
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fill: true,
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},
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{
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label: "Messwert a (kOhm)",
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data: processedData.map((entry) => ({
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x: entry.timestampMs,
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y: entry.a ?? 0,
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})),
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borderColor: "rgba(192, 75, 75, 1)",
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backgroundColor: "rgba(192, 75, 75, 0.2)",
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fill: true,
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},
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{
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label: "Messwert g (kOhm)",
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data: processedData.map((entry) => ({
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x: entry.timestampMs,
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y: entry.g ?? 0,
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})),
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borderColor: "rgba(75, 75, 192, 1)",
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backgroundColor: "rgba(75, 75, 192, 0.2)",
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fill: true,
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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: "linear",
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position: "bottom",
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ticks: {
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callback: function (value, index, values) {
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const date = new Date(value);
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return `${date.getDate()}.${
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date.getMonth() + 1
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}.${date.getFullYear()} ${date.getHours()}:${date.getMinutes()}`;
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},
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},
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title: {
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display: true,
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text: "Zeit",
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},
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},
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y: {
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title: {
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display: true,
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text: "kOhm",
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},
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min: 0,
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max: 2,
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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 (
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<div style={{ position: "relative", width: "100%", height: "400px" }}>
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<canvas ref={chartRef} />
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</div>
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);
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};
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export default LoopMeasurementChart;
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