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import React, { useState, useContext, useEffect, useRef } from 'react'; |
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import { rgbaColor, themeColors } from '../../../helpers/utils'; |
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import { Row, Col, Card, CardBody, CustomInput } from 'reactstrap'; |
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import { |
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Chart as ChartJS, |
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CategoryScale, |
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LinearScale, |
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BarElement, |
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Title, |
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Tooltip, |
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Legend, |
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LogarithmicScale |
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} from 'chart.js'; |
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import AppContext from '../../../context/Context'; |
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import { Bar } from 'react-chartjs-2'; |
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ChartJS.register( |
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CategoryScale, |
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LinearScale, |
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BarElement, |
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Title, |
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Tooltip, |
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Legend, |
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LogarithmicScale |
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); |
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const BarChart = ({ |
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labels, |
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data, |
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compareData, |
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title, |
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compareTitle, |
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footnote, |
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footunit, |
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}) => { |
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const { isDark } = useContext(AppContext); |
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const chartRef = useRef(null); |
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const [chartData, setChartData] = useState({ |
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datasets: [{ |
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data: [0, 0, 0, 0, 0, 0], |
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backgroundColor: 'rgba(255, 99, 132, 0.2)', |
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borderColor: 'rgba(255, 99, 132, 1)', |
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borderWidth: 1, |
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}] |
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}); |
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useEffect(() => { |
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const chart = chartRef.current; |
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let dataArray = []; |
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let datasets = []; |
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let color = rgbaColor("#"+((1<<24)*Math.random()|0).toString(16), 0.8); |
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if (chart) { |
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const ctx = chart.ctx; |
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const gradientFill = isDark |
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? ctx.createLinearGradient(0, 0, 0, ctx.canvas.height) |
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: ctx.createLinearGradient(0, 0, 0, 250); |
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gradientFill.addColorStop(0, isDark ? 'rgba(44,123,229, 0.5)' : 'rgba(255, 255, 255, 0.3)'); |
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gradientFill.addColorStop(1, isDark ? 'transparent' : 'rgba(255, 255, 255, 0)'); |
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data.forEach(element => { |
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dataArray.push(element['subtotal']); |
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}); |
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datasets.push({ |
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label: title, |
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data: dataArray, |
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backgroundColor: color, |
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borderColor: color, |
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borderWidth: 1, |
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}); |
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dataArray = []; |
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color = rgbaColor("#"+((1<<24)*Math.random()|0).toString(16), 0.8); |
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compareData.forEach(element => { |
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dataArray.push(element['subtotal']); |
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}); |
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datasets.push({ |
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label: compareTitle, |
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data: dataArray, |
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backgroundColor: color, |
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borderColor: color, |
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borderWidth: 1, |
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}); |
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setChartData({ |
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labels: labels, |
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datasets: datasets |
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}) |
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} |
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}, [data, compareData]); |
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const config = { |
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options: { |
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scales: { |
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x: { |
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display: true, |
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ticks: { |
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fontColor: rgbaColor('#fff', 0.8), |
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fontStyle: 600, |
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color: isDark ? themeColors.light : themeColors.dark |
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}, |
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}, |
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y: { |
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display: true, |
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gridLines: { |
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color: rgbaColor('#000', 0.1) |
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}, |
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type: 'logarithmic', |
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ticks: { |
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color: isDark ? themeColors.light : themeColors.dark |
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} |
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}, |
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}, |
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plugins: { |
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tooltip: { |
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callbacks: { |
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label: function(tooltipItem) { |
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let arr = {}; |
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if (tooltipItem.dataset.label === title) { |
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arr = data[tooltipItem.dataIndex]; |
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} else { |
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arr = compareData[tooltipItem.dataIndex]; |
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} |
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return tooltipItem.dataset.label + ': ' + arr.name + ' ' + arr.subtotal + arr.unit; |
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}, |
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footer: function(tooltipItem) { |
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let arr = {}; |
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if (tooltipItem[0].dataset.label === title) { |
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arr = data[tooltipItem[0].dataIndex]; |
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} else { |
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arr = compareData[tooltipItem[0].dataIndex]; |
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} |
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let rate = arr['increment_rate'] ? arr['increment_rate'] + '\n' : ''; |
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let perUnit_area = Math.round((arr['subtotal_per_unit_area'] + Number.EPSILON) * 100) / 100; |
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return rate + footnote + perUnit_area + ': ' + arr['unit'] + footunit; |
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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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<Card className="mb-3 overflow-hidden"> |
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<CardBody className="position-relative"> |
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<Bar ref={chartRef} data={chartData} width={160} height={50} options={config.options} /> |
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</CardBody> |
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</Card> |
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); |
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}; |
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export default BarChart; |
MyEMS /
myems
