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Merge pull request apache#83 from kristw/kristw/sparkline
Cherry-pick(s): allow min/max value , show y-axis for sparklines in time series table
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| import React from 'react'; | ||
| import PropTypes from 'prop-types'; | ||
| import { Sparkline, LineSeries, PointSeries, HorizontalReferenceLine, VerticalReferenceLine, WithTooltip } from '@data-ui/sparkline'; | ||
| import { d3format } from '../modules/utils'; | ||
| import { getTextDimension } from '../modules/visUtils'; | ||
|
|
||
| const propTypes = { | ||
| className: PropTypes.string, | ||
| width: PropTypes.number, | ||
| height: PropTypes.number, | ||
| data: PropTypes.array.isRequired, | ||
| ariaLabel: PropTypes.string, | ||
| numberFormat: PropTypes.string, | ||
| yAxisBounds: PropTypes.array, | ||
| showYAxis: PropTypes.bool, | ||
| renderTooltip: PropTypes.func, | ||
| }; | ||
| const defaultProps = { | ||
| className: '', | ||
| width: 300, | ||
| height: 50, | ||
| ariaLabel: '', | ||
| numberFormat: undefined, | ||
| yAxisBounds: [null, null], | ||
| showYAxis: false, | ||
| renderTooltip() { return <div />; }, | ||
| }; | ||
|
|
||
| const MARGIN = { | ||
| top: 8, | ||
| right: 8, | ||
| bottom: 8, | ||
| left: 8, | ||
| }; | ||
| const tooltipProps = { | ||
| style: { | ||
| opacity: 0.8, | ||
| }, | ||
| offsetTop: 0, | ||
| }; | ||
|
|
||
| function getSparklineTextWidth(text) { | ||
| return getTextDimension({ | ||
| text, | ||
| style: { | ||
| fontSize: '12px', | ||
| fontWeight: 200, | ||
| letterSpacing: 0.4, | ||
| }, | ||
| }).width + 5; | ||
| } | ||
|
|
||
| function isValidBoundValue(value) { | ||
| return value !== null && value !== undefined && value !== '' && !Number.isNaN(value); | ||
| } | ||
|
|
||
| class SparklineCell extends React.Component { | ||
| renderHorizontalReferenceLine(value, label) { | ||
| return ( | ||
| <HorizontalReferenceLine | ||
| reference={value} | ||
| labelPosition="right" | ||
| renderLabel={() => label} | ||
| stroke="#bbb" | ||
| strokeDasharray="3 3" | ||
| strokeWidth={1} | ||
| /> | ||
| ); | ||
| } | ||
|
|
||
| render() { | ||
| const { | ||
| width, | ||
| height, | ||
| data, | ||
| ariaLabel, | ||
| numberFormat, | ||
| yAxisBounds, | ||
| showYAxis, | ||
| renderTooltip, | ||
| } = this.props; | ||
|
|
||
| const yScale = {}; | ||
| let hasMinBound = false; | ||
| let hasMaxBound = false; | ||
|
|
||
| if (yAxisBounds) { | ||
| const [minBound, maxBound] = yAxisBounds; | ||
| hasMinBound = isValidBoundValue(minBound); | ||
| if (hasMinBound) { | ||
| yScale.min = minBound; | ||
| } | ||
| hasMaxBound = isValidBoundValue(maxBound); | ||
| if (hasMaxBound) { | ||
| yScale.max = maxBound; | ||
| } | ||
| } | ||
|
|
||
| let min; | ||
| let max; | ||
| let minLabel; | ||
| let maxLabel; | ||
| let labelLength = 0; | ||
| if (showYAxis) { | ||
| const [minBound, maxBound] = yAxisBounds; | ||
| min = hasMinBound | ||
| ? minBound | ||
| : data.reduce((acc, current) => Math.min(acc, current), data[0]); | ||
| max = hasMaxBound | ||
| ? maxBound | ||
| : data.reduce((acc, current) => Math.max(acc, current), data[0]); | ||
|
|
||
| minLabel = d3format(numberFormat, min); | ||
| maxLabel = d3format(numberFormat, max); | ||
| labelLength = Math.max( | ||
| getSparklineTextWidth(minLabel), | ||
| getSparklineTextWidth(maxLabel), | ||
| ); | ||
| } | ||
|
|
||
| const margin = { | ||
| ...MARGIN, | ||
| right: MARGIN.right + labelLength, | ||
| }; | ||
|
|
||
| return ( | ||
| <WithTooltip | ||
| tooltipProps={tooltipProps} | ||
| hoverStyles={null} | ||
| renderTooltip={renderTooltip} | ||
| > | ||
| {({ onMouseLeave, onMouseMove, tooltipData }) => ( | ||
| <Sparkline | ||
| ariaLabel={ariaLabel} | ||
| width={width} | ||
| height={height} | ||
| margin={margin} | ||
| data={data} | ||
| onMouseLeave={onMouseLeave} | ||
| onMouseMove={onMouseMove} | ||
| {...yScale} | ||
| > | ||
| {showYAxis && | ||
| this.renderHorizontalReferenceLine(min, minLabel)} | ||
| {showYAxis && | ||
| this.renderHorizontalReferenceLine(max, maxLabel)} | ||
| <LineSeries | ||
| showArea={false} | ||
| stroke="#767676" | ||
| /> | ||
| {tooltipData && | ||
| <VerticalReferenceLine | ||
| reference={tooltipData.index} | ||
| strokeDasharray="3 3" | ||
| strokeWidth={1} | ||
| />} | ||
| {tooltipData && | ||
| <PointSeries | ||
| points={[tooltipData.index]} | ||
| fill="#767676" | ||
| strokeWidth={1} | ||
| />} | ||
| </Sparkline> | ||
| )} | ||
| </WithTooltip> | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| SparklineCell.propTypes = propTypes; | ||
| SparklineCell.defaultProps = defaultProps; | ||
|
|
||
| export default SparklineCell; |
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