forked from BLC/AyposWeb
UpGraded tempreture charts version 2.0, using Echarts library, optomized rendering and added proper data selection options
This commit is contained in:
344
src/components/Charts/TemperatureEChart.tsx
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344
src/components/Charts/TemperatureEChart.tsx
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import React, { useMemo } from 'react';
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import ReactECharts from 'echarts-for-react';
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import { useTheme } from '@mui/material/styles';
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import { Box, Typography } from '@mui/material';
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interface TemperatureDataPoint {
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currentTimestamp: Date;
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futureTimestamp: Date;
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currentTemp: number;
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predictedTemp: number;
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}
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interface TemperatureEChartProps {
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data: TemperatureDataPoint[];
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height?: number;
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zoomRange?: [number, number];
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onZoomChange?: (range: [number, number]) => void;
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}
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const TemperatureEChart: React.FC<TemperatureEChartProps> = React.memo(({ data, height = 400, zoomRange, onZoomChange }) => {
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const theme = useTheme();
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const option = useMemo(() => {
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if (!data || data.length === 0) {
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return {};
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}
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// Prepare data for ECharts
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const currentTempData = data.map(item => [
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item.currentTimestamp.getTime(),
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Number(item.currentTemp.toFixed(2))
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]);
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const predictedTempData = data.map(item => [
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item.futureTimestamp.getTime(),
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Number(item.predictedTemp.toFixed(2))
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]);
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// Calculate temperature range for better axis scaling
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const allTemps = [...data.map(d => d.currentTemp), ...data.map(d => d.predictedTemp)];
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const minTemp = Math.min(...allTemps);
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const maxTemp = Math.max(...allTemps);
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const tempPadding = (maxTemp - minTemp) * 0.1;
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const commonSeriesSettings = {
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sampling: 'lttb',
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showSymbol: false,
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smooth: 0.3,
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animation: false,
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emphasis: {
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disabled: true
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}
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};
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return {
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animation: false,
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progressive: 500,
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progressiveThreshold: 1000,
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renderer: 'canvas',
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title: {
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text: 'Environmental Temperature Monitoring',
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textStyle: {
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fontSize: 18,
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fontWeight: 'bold',
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color: theme.palette.text.primary,
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fontFamily: 'Montserrat, sans-serif'
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},
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left: 'center',
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top: 10
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},
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tooltip: {
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trigger: 'axis',
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backgroundColor: 'rgba(255, 255, 255, 0.95)',
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borderColor: theme.palette.primary.main,
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borderWidth: 1,
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textStyle: {
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color: theme.palette.text.primary,
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fontFamily: 'Montserrat, sans-serif'
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},
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formatter: function (params: any) {
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const time = new Date(params[0].value[0]).toLocaleString();
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let html = `<div style="margin-bottom: 8px; font-weight: bold;">${time}</div>`;
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params.forEach((param: any) => {
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html += `
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<div style="display: flex; align-items: center; margin-bottom: 4px;">
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<span style="display: inline-block; margin-right: 8px; border-radius: 50%; width: 10px; height: 10px; background-color: ${param.color};"></span>
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<span style="font-weight: 500;">${param.seriesName}:</span>
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<span style="margin-left: 8px; color: ${param.color}; font-weight: bold;">${param.value[1]}°C</span>
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</div>
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`;
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});
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return html;
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}
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},
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legend: {
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data: ['Current Temperature', 'Predicted Temperature'],
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top: 40,
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textStyle: {
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fontFamily: 'Montserrat, sans-serif',
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fontSize: 12,
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color: theme.palette.text.secondary
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}
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},
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grid: {
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left: '3%',
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right: '4%',
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bottom: '15%',
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top: '25%',
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containLabel: true
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},
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toolbox: {
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feature: {
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dataZoom: {
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yAxisIndex: 'none',
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title: {
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zoom: 'Zoom',
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back: 'Reset Zoom'
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}
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},
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restore: {
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title: 'Reset'
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},
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saveAsImage: {
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title: 'Save'
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}
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},
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right: 15,
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top: 5
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},
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dataZoom: [
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{
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type: 'slider',
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show: true,
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xAxisIndex: [0],
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start: zoomRange?.[0] ?? 0,
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end: zoomRange?.[1] ?? 100,
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height: 20,
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bottom: 0,
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borderColor: theme.palette.divider,
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fillerColor: 'rgba(2, 138, 74, 0.1)',
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textStyle: {
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color: theme.palette.text.secondary,
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fontFamily: 'Montserrat, sans-serif'
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},
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handleStyle: {
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color: theme.palette.primary.main
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}
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},
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{
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type: 'inside',
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xAxisIndex: [0],
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start: 0,
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end: 100,
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zoomOnMouseWheel: 'shift'
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}
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],
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xAxis: {
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type: 'time',
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boundaryGap: false,
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axisLabel: {
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formatter: function (value: number) {
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const date = new Date(value);
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return date.toLocaleTimeString('en-US', {
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hour: '2-digit',
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minute: '2-digit'
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});
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},
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color: theme.palette.text.secondary,
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fontFamily: 'Montserrat, sans-serif'
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},
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axisLine: {
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lineStyle: {
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color: theme.palette.divider
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}
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},
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splitLine: {
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show: true,
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lineStyle: {
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color: theme.palette.divider,
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type: 'dashed',
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opacity: 0.5
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}
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}
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},
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yAxis: {
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type: 'value',
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name: 'Temperature (°C)',
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nameTextStyle: {
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color: theme.palette.text.secondary,
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fontFamily: 'Montserrat, sans-serif',
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fontWeight: 'bold'
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},
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min: Math.max(0, minTemp - tempPadding),
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max: maxTemp + tempPadding,
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axisLabel: {
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formatter: '{value}°C',
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color: theme.palette.text.secondary,
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fontFamily: 'Montserrat, sans-serif'
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},
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axisLine: {
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lineStyle: {
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color: theme.palette.divider
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}
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},
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splitLine: {
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lineStyle: {
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color: theme.palette.divider,
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type: 'dashed',
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opacity: 0.3
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}
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}
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},
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// Optimize throttling and rendering
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throttle: 70,
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silent: true, // Reduce event overhead when not needed
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series: [
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{
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...commonSeriesSettings,
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name: 'Current Temperature',
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type: 'line',
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data: currentTempData,
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lineStyle: {
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color: theme.palette.primary.main,
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width: 2,
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join: 'round'
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},
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itemStyle: {
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color: theme.palette.primary.main,
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opacity: 0.8
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},
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areaStyle: {
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color: {
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type: 'linear',
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x: 0,
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y: 0,
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x2: 0,
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y2: 1,
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colorStops: [{
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offset: 0,
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color: `rgba(2, 138, 74, 0.2)`
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}, {
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offset: 1,
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color: `rgba(2, 138, 74, 0.02)`
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}]
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}
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}
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},
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{
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...commonSeriesSettings,
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name: 'Predicted Temperature',
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type: 'line',
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data: predictedTempData,
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lineStyle: {
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color: theme.palette.warning.main,
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width: 2,
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type: 'dashed'
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},
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itemStyle: {
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color: theme.palette.warning.main,
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opacity: 0.8
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}
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}
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]
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};
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}, [data, theme]);
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if (!data || data.length === 0) {
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return (
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<Box
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display="flex"
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justifyContent="center"
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alignItems="center"
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height={height}
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bgcolor={theme.palette.background.paper}
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borderRadius={2}
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boxShadow={2}
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>
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<Typography
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variant="h6"
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color="text.secondary"
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fontFamily="Montserrat, sans-serif"
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>
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No temperature data available
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</Typography>
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</Box>
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);
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}
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return (
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<Box
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sx={{
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bgcolor: theme.palette.background.paper,
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borderRadius: 2,
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boxShadow: 3,
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overflow: 'hidden'
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}}
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>
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<ReactECharts
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option={option}
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style={{ height: `${height}px`, width: '100%' }}
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opts={{
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renderer: 'canvas',
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width: 'auto',
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height: 'auto',
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}}
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notMerge={true}
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lazyUpdate={true}
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theme={theme.palette.mode}
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loadingOption={{
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color: theme.palette.primary.main,
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maskColor: 'rgba(255, 255, 255, 0.8)',
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text: 'Loading...'
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}}
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onEvents={{
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datazoom: (params: any) => {
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if (onZoomChange && params.batch?.[0]) {
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onZoomChange([params.batch[0].start, params.batch[0].end]);
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}
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}
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}}
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/>
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</Box>
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);
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}, (prevProps, nextProps) => {
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// Custom comparison to prevent unnecessary rerenders
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if (prevProps.height !== nextProps.height) return false;
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if (prevProps.zoomRange?.[0] !== nextProps.zoomRange?.[0] ||
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prevProps.zoomRange?.[1] !== nextProps.zoomRange?.[1]) return false;
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if (prevProps.data.length !== nextProps.data.length) return false;
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// Only update if the last data point has changed
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const prevLast = prevProps.data[prevProps.data.length - 1];
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const nextLast = nextProps.data[nextProps.data.length - 1];
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if (prevLast && nextLast) {
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return prevLast.currentTimestamp.getTime() === nextLast.currentTimestamp.getTime() &&
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prevLast.currentTemp === nextLast.currentTemp &&
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prevLast.predictedTemp === nextLast.predictedTemp;
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}
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return false;
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});
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TemperatureEChart.displayName = 'TemperatureEChart';
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export default TemperatureEChart;
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