asb_cloud_front/src/pages/Archive/ArchiveDisplay.jsx

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import { useEffect, useState } from 'react'
import { Grid, GridItem } from '../../components/Grid'
import { ArchiveColumn } from './ArchiveColumn'
import { paramsGroups } from '../TelemetryView'
const interpolationSearch = (data, begin, end, accessor) => {
const fy = (i) => new Date(data[i]?.[accessor] ?? 0)
const fx = (y, b, e) => Math.round(b + (y - fy(b)) * (e - b) / (fy(e) - fy(b)))
const findIdx = (val, startIdx, c) => {
let x = startIdx
let endIdx = data.length - 1
if(val < fy(startIdx))
return startIdx
if(val > fy(endIdx))
return endIdx
for(let i = 0; i < c; i++){
x = fx(val, startIdx, endIdx)
if(fy(x) < val)
startIdx = x
else
endIdx = x
if ((startIdx === endIdx)||(fy(startIdx) === fy(endIdx)))
return x
}
return x
}
let x0 = findIdx(begin, 0, 5)
let x1 = findIdx(end, x0, 3)
return { start: x0, end: x1, count: x1 - x0 }
}
export const cutData = (data, beginDate, endDate) => {
if (data?.length > 0) {
let { start, end } = interpolationSearch(data, beginDate, endDate, 'date')
if (start > 0) start--
if (end + 1 < end.length) end++
return data.slice(start, end)
}
return data
}
export const ArchiveDisplay = ({data, startDate, interval, onWheel}) => {
const [chartData, setChartData] = useState([])
useEffect(() => {
const endDate = new Date(+startDate + interval)
setChartData(cutData(data, startDate, endDate))
}, [data, startDate, interval])
return (
<Grid onWheel={onWheel}>
{paramsGroups.map((group, index) => (
<GridItem col={index + 1} row={'1'} className={'border_small'} key={`${group.label}${index}`} style={{ padding: 0 }}>
<ArchiveColumn
style={{ width: '15vw' }}
data={chartData}
lineGroup={group}
interval={Math.round(interval / 1000)}
headerHeight={'50px'}
yStart={startDate}
/>
</GridItem>
))}
</Grid>
)
}