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umami/components/metrics/Legend.js

41 lines
1.1 KiB
JavaScript

import React from 'react';
import classNames from 'classnames';
import Dot from 'components/common/Dot';
import useLocale from 'hooks/useLocale';
import styles from './Legend.module.css';
import useForceUpdate from '../../hooks/useForceUpdate';
export default function Legend({ chart }) {
const { locale } = useLocale();
const forceUpdate = useForceUpdate();
function handleClick(index) {
const meta = chart.getDatasetMeta(index);
meta.hidden = meta.hidden === null ? !chart.data.datasets[index].hidden : null;
chart.update();
forceUpdate();
}
if (!chart?.legend?.legendItems.find(({ text }) => text)) {
return null;
}
return (
<div className={styles.legend}>
{chart.legend.legendItems.map(({ text, fillStyle, datasetIndex, hidden }) => (
<div
key={text}
className={classNames(styles.label, { [styles.hidden]: hidden })}
onClick={() => handleClick(datasetIndex)}
>
<Dot color={fillStyle} />
<span className={locale}>{text}</span>
</div>
))}
</div>
);
}