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Chart.tsx
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Chart.tsx
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import React, {
MouseEvent,
useRef,
useState,
useEffect,
useReducer,
} from 'react';
import 'chart.js/auto';
import type { Chart as ChartJS, InteractionItem } from 'chart.js';
import 'chartjs-adapter-date-fns';
import {
Chart,
getDatasetAtEvent,
getElementAtEvent,
getElementsAtEvent,
} from '../src';
import * as multitypeChart from '../sandboxes/chart/multitype/App';
import * as eventsChart from '../sandboxes/chart/events/App';
import * as data from './Chart.data';
export default {
title: 'Components/Chart',
component: Chart,
parameters: {
layout: 'centered',
},
args: {
width: 500,
height: 400,
},
};
export const MultiType = args => <Chart {...args} />;
MultiType.args = {
data: multitypeChart.data,
};
export const Dynamic = args => {
const [dynamicData, setDynamicData] = useState(data.getDynamicData);
useEffect(() => {
const interval = setInterval(
() => setDynamicData(data.getDynamicData()),
3000
);
return () => clearInterval(interval);
}, []);
return <Chart {...args} data={dynamicData} />;
};
Dynamic.args = {
options: data.dynamicOptions,
};
export const ClickEvents = ({
onDatasetClick,
onElementClick,
onElementsClick,
options,
data,
...args
}) => {
const datasetAtEvent = (dataset: InteractionItem[]) => {
if (!dataset.length) return;
const datasetIndex = dataset[0].datasetIndex;
onDatasetClick(data.datasets[datasetIndex].label);
};
const elementAtEvent = (element: InteractionItem[]) => {
if (!element.length) return;
const { datasetIndex, index } = element[0];
onElementClick(data.labels[index], data.datasets[datasetIndex].data[index]);
};
const elementsAtEvent = (elements: InteractionItem[]) => {
if (!elements.length) return;
onElementsClick(elements);
};
const chartRef = useRef<ChartJS>(null);
const onClick = (event: MouseEvent<HTMLCanvasElement>) => {
const { current: chart } = chartRef;
if (!chart) {
return;
}
datasetAtEvent(getDatasetAtEvent(chart, event));
elementAtEvent(getElementAtEvent(chart, event));
elementsAtEvent(getElementsAtEvent(chart, event));
};
return (
<Chart
{...args}
ref={chartRef}
type='bar'
options={options}
data={data}
onClick={onClick}
/>
);
};
ClickEvents.args = {
options: eventsChart.options,
data: eventsChart.data,
};
ClickEvents.argTypes = {
onDatasetClick: { action: 'dataset clicked' },
onElementClick: { action: 'element clicked' },
onElementsClick: { action: 'elements clicked' },
};
export const Redraw = args => <Chart {...args} />;
Redraw.args = {
data: multitypeChart.data,
redraw: true,
};
export const SameDataToggle = args => {
const [currentData, toggleData] = useReducer(
prevState =>
prevState === data.sameData1 ? data.sameData2 : data.sameData1,
data.sameData1
);
return <Chart {...args} data={currentData} onClick={toggleData} />;
};
SameDataToggle.args = {
type: 'bar',
};
export const Decimation = args => {
const [currentData, toggleData] = useReducer(
data.getDecimationData,
data.getDecimationData()
);
return <Chart {...args} data={currentData} onClick={toggleData} />;
};
Decimation.args = {
type: 'line',
options: data.decimationOptions,
};