113 lines
3.5 KiB
JavaScript
113 lines
3.5 KiB
JavaScript
import React, { useRef, useEffect } from 'react';
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import {
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Chart, PolarAreaController, RadialLinearScale, Tooltip, Legend,
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} from 'chart.js';
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import 'chartjs-adapter-moment';
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// Import utilities
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import { tailwindConfig } from '../utils/Utils';
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Chart.register(PolarAreaController, RadialLinearScale, Tooltip, Legend);
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function PolarChart({
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data,
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width,
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height
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}) {
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const canvas = useRef(null);
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const legend = useRef(null);
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useEffect(() => {
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const ctx = canvas.current;
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// eslint-disable-next-line no-unused-vars
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const chart = new Chart(ctx, {
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type: 'polarArea',
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data: data,
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options: {
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layout: {
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padding: 24,
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},
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plugins: {
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legend: {
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display: false,
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},
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},
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interaction: {
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intersect: false,
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mode: 'nearest',
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},
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animation: {
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duration: 500,
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},
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maintainAspectRatio: false,
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resizeDelay: 200,
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},
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plugins: [{
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id: 'htmlLegend',
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afterUpdate(c, args, options) {
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const ul = legend.current
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if (!ul) return
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// Remove old legend items
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while (ul.firstChild) {
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ul.firstChild.remove()
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}
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// Reuse the built-in legendItems generator
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const items = c.options.plugins.legend.labels.generateLabels(c)
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items.forEach((item) => {
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const li = document.createElement('li')
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li.style.margin = tailwindConfig().theme.margin[1]
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// Button element
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const button = document.createElement('button')
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button.classList.add('btn-xs')
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button.style.backgroundColor = tailwindConfig().theme.colors.white
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button.style.borderWidth = tailwindConfig().theme.borderWidth[1]
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button.style.borderColor = tailwindConfig().theme.colors.slate[200]
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button.style.color = tailwindConfig().theme.colors.slate[500]
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button.style.boxShadow = tailwindConfig().theme.boxShadow.md
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button.style.opacity = item.hidden ? '.3' : ''
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button.onclick = () => {
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c.toggleDataVisibility(item.index, !item.index)
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c.update()
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}
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// Color box
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const box = document.createElement('span')
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box.style.display = 'block'
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box.style.width = tailwindConfig().theme.width[2]
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box.style.height = tailwindConfig().theme.height[2]
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box.style.backgroundColor = item.fillStyle
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box.style.borderRadius = tailwindConfig().theme.borderRadius.sm
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box.style.marginRight = tailwindConfig().theme.margin[1]
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box.style.pointerEvents = 'none'
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// Label
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const label = document.createElement('span')
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label.style.display = 'flex'
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label.style.alignItems = 'center'
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const labelText = document.createTextNode(item.text)
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label.appendChild(labelText)
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li.appendChild(button)
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button.appendChild(box)
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button.appendChild(label)
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ul.appendChild(li)
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})
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},
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}],
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});
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return () => chart.destroy();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, []);
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return (
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<div className="grow flex flex-col justify-center">
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<div>
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<canvas ref={canvas} width={width} height={height}></canvas>
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</div>
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<div className="px-5 pt-2 pb-6">
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<ul ref={legend} className="flex flex-wrap justify-center -m-1"></ul>
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</div>
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</div>
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);
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}
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export default PolarChart; |