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Abacus BO: use bar charts for homepage analytics
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| // @flow | ||
|
|
||
| import React, { useCallback, useState, type Node } from 'react'; | ||
| import * as d3 from 'd3'; | ||
|
|
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| function drawSvgChart(svgRef, width, unsortedData, config) { | ||
| const data = d3.sort(unsortedData, (a, b) => { | ||
| if (config.sort === 'DESC') { | ||
| return d3.descending(a.value, b.value); | ||
| } | ||
| return d3.ascending(a.value, b.value); | ||
| }); | ||
|
|
||
| const margin = { top: 20, right: 10, bottom: 10, left: 10 }; | ||
| const barHeight = 16; | ||
| const height = Math.ceil((data.length + 0.1) * barHeight) + margin.top + margin.bottom; | ||
| const svg = d3.select(svgRef.current).attr('viewBox', [0, 0, width, height]); | ||
|
|
||
| const x = d3 | ||
| .scaleLinear() | ||
| .domain([0, d3.max(data, (d) => d.value)]) | ||
| .range([margin.left, width - margin.right]); | ||
|
|
||
| const y = d3 | ||
| .scaleBand() | ||
| .domain(d3.range(data.length)) | ||
| .rangeRound([margin.top, height - margin.bottom]) | ||
| .padding(0.1); | ||
|
|
||
| // Bars | ||
| svg | ||
| .append('g') | ||
| .attr('fill', 'rgba(var(--sx-success))') | ||
| .selectAll('rect') | ||
| .data(data) | ||
| .join('rect') | ||
| .attr('x', x(0)) | ||
| .attr('y', (d, i) => y(i)) | ||
| .attr('width', (d) => x(d.value) - x(0)) | ||
| .attr('height', y.bandwidth()); | ||
|
|
||
| // Text labels | ||
| svg | ||
| .append('g') | ||
| .attr('fill', 'white') | ||
| .attr('text-anchor', 'end') | ||
| .attr('font-family', 'sans-serif') | ||
| .attr('font-size', 12) | ||
| .selectAll('text') | ||
| .data(data) | ||
| .join('text') | ||
| .attr('x', (d) => x(d.value)) | ||
| .attr('y', (d, i) => y(i) + y.bandwidth() / 2) | ||
| .attr('dy', '0.35em') | ||
| .attr('dx', -4) | ||
| .text((d) => d.label) | ||
| .call((text) => | ||
| text | ||
| .filter((d) => { | ||
| // short bars | ||
| const textLength = text.node().getComputedTextLength(); | ||
| return x(d.value) - x(0) < textLength; | ||
| }) | ||
| .attr('dx', +4) | ||
| .attr('fill', 'rgba(var(--sx-foreground))') | ||
| .attr('text-anchor', 'start'), | ||
| ); | ||
|
|
||
| // X axis | ||
| svg.append('g').call((g) => | ||
| g | ||
| .attr('transform', `translate(0,${margin.top})`) | ||
| .call(d3.axisTop(x).ticks(width / 100)) | ||
| .call((g) => g.select('.domain').remove()), | ||
| ); | ||
|
|
||
| // Y axis | ||
| svg | ||
| .append('g') | ||
| .call((g) => | ||
| g | ||
| .attr('transform', `translate(${margin.left},0)`) | ||
| .call(d3.axisLeft(y).tickValues([]).tickSizeOuter(0)), | ||
| ); | ||
| } | ||
|
|
||
| type Props = { | ||
| +sort: 'ASC' | 'DESC', | ||
| +data: $ReadOnlyArray<{ +label: Fbt, +value: number }>, | ||
| }; | ||
|
|
||
| export default function BarChart(props: Props): Node { | ||
| const svg = React.useRef(null); | ||
| const [width, setWidth] = useState(null); | ||
|
|
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| React.useEffect(() => { | ||
| if (width != null) { | ||
| drawSvgChart(svg, width, props.data, { | ||
| sort: props.sort, | ||
| }); | ||
| } | ||
| }, [props.data, props.sort, svg, width]); | ||
|
|
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| const divRef = useCallback((node) => { | ||
| if (node !== null) { | ||
| setWidth(node.getBoundingClientRect().width); | ||
| } | ||
| }, []); | ||
|
|
||
| return ( | ||
| <div id="chart" ref={divRef}> | ||
| <svg ref={svg} /> | ||
| </div> | ||
| ); | ||
| } |
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17 changes: 3 additions & 14 deletions
17
src/abacus-backoffice/src/index/__generated__/IndexPageQuery.graphql.js
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