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Unified the two different approaches of referenceLines.
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137 changes: 137 additions & 0 deletions
137
...xpressions/expression_xy/public/components/reference_lines/reference_line_annotations.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
| * in compliance with, at your election, the Elastic License 2.0 or the Server | ||
| * Side Public License, v 1. | ||
| */ | ||
|
|
||
| import { AnnotationDomainType, LineAnnotation, Position, RectAnnotation } from '@elastic/charts'; | ||
| import { euiLightVars } from '@kbn/ui-theme'; | ||
| import React, { FC } from 'react'; | ||
| import { FieldFormat } from '@kbn/field-formats-plugin/common'; | ||
| import { LINES_MARKER_SIZE } from '../../helpers'; | ||
| import { | ||
| AvailableReferenceLineIcon, | ||
| FillStyle, | ||
| IconPosition, | ||
| LineStyle, | ||
| YAxisMode, | ||
| } from '../../../common/types'; | ||
| import { | ||
| getBaseIconPlacement, | ||
| getBottomRect, | ||
| getGroupId, | ||
| getHorizontalRect, | ||
| getLineAnnotationProps, | ||
| getSharedStyle, | ||
| } from './utils'; | ||
|
|
||
| export interface ReferenceLineAnnotationConfig { | ||
| id: string; | ||
| name?: string; | ||
| value: number; | ||
| nextValue?: number; | ||
| icon?: AvailableReferenceLineIcon; | ||
| lineWidth?: number; | ||
| lineStyle?: LineStyle; | ||
| fill?: FillStyle; | ||
| iconPosition?: IconPosition; | ||
| textVisibility?: boolean; | ||
| axisMode?: YAxisMode; | ||
| color?: string; | ||
| } | ||
|
|
||
| interface Props { | ||
| config: ReferenceLineAnnotationConfig; | ||
| paddingMap: Partial<Record<Position, number>>; | ||
| formatter?: FieldFormat; | ||
| axesMap: Record<'left' | 'right', boolean>; | ||
| isHorizontal: boolean; | ||
| } | ||
|
|
||
| const getRectDataValue = ( | ||
| annotationConfig: ReferenceLineAnnotationConfig, | ||
| formatter: FieldFormat | undefined | ||
| ) => { | ||
| const { name, value, nextValue, fill, axisMode } = annotationConfig; | ||
| const isFillAbove = fill === 'above'; | ||
|
|
||
| if (axisMode === 'bottom') { | ||
| return getBottomRect(name, isFillAbove, formatter, value, nextValue); | ||
| } | ||
|
|
||
| return getHorizontalRect(name, isFillAbove, formatter, value, nextValue); | ||
| }; | ||
|
|
||
| export const ReferenceLineAnnotations: FC<Props> = ({ | ||
| config, | ||
| axesMap, | ||
| formatter, | ||
| paddingMap, | ||
| isHorizontal, | ||
| }) => { | ||
| const { id, axisMode, iconPosition, name, textVisibility, value, fill, color } = config; | ||
|
|
||
| // Find the formatter for the given axis | ||
| const groupId = getGroupId(axisMode); | ||
| const defaultColor = euiLightVars.euiColorDarkShade; | ||
| // get the position for vertical chart | ||
| const markerPositionVertical = getBaseIconPlacement(iconPosition, axesMap, axisMode); | ||
| // the padding map is built for vertical chart | ||
| const hasReducedPadding = paddingMap[markerPositionVertical] === LINES_MARKER_SIZE; | ||
|
|
||
| const props = getLineAnnotationProps( | ||
| config, | ||
| { | ||
| markerLabel: name, | ||
| markerBodyLabel: textVisibility && !hasReducedPadding ? name : undefined, | ||
| }, | ||
| axesMap, | ||
| paddingMap, | ||
| groupId, | ||
| isHorizontal | ||
| ); | ||
|
|
||
| const sharedStyle = getSharedStyle(config); | ||
|
|
||
| const dataValues = { | ||
| dataValue: value, | ||
| header: name, | ||
| details: formatter?.convert(value) || value.toString(), | ||
| }; | ||
|
|
||
| const line = ( | ||
| <LineAnnotation | ||
| {...props} | ||
| id={`${id}-line`} | ||
| key={`${id}-line`} | ||
| dataValues={[dataValues]} | ||
| domainType={ | ||
| axisMode === 'bottom' ? AnnotationDomainType.XDomain : AnnotationDomainType.YDomain | ||
| } | ||
| style={{ line: { ...sharedStyle, opacity: 1 } }} | ||
| /> | ||
| ); | ||
|
|
||
| let rect; | ||
| if (fill && fill !== 'none') { | ||
| const rectDataValues = getRectDataValue(config, formatter); | ||
|
|
||
| rect = ( | ||
| <RectAnnotation | ||
| {...props} | ||
| id={`${id}-rect`} | ||
| key={`${id}-rect`} | ||
| dataValues={[rectDataValues]} | ||
| style={{ ...sharedStyle, fill: color || defaultColor, opacity: 0.1 }} | ||
| /> | ||
| ); | ||
| } | ||
| return ( | ||
| <> | ||
| {line} | ||
| {rect} | ||
| </> | ||
| ); | ||
| }; |
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