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[Lens] Mosaic / mekko vis type (#117668)
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* [Lens] Mosaic / mekko vis type

Closes: #104223

* some updates

* fix color palette logic

* fix suggestions

* fix JEST

* fix some parts

* update labels

* Fix JEST

* add showExperimentalBadge

* add sorting

* fix toolbar options

* fix Marco suggestion

Co-authored-by: Kibana Machine <[email protected]>
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alexwizp and kibanamachine authored Nov 22, 2021
1 parent bc1163c commit 43f7fc0
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Showing 16 changed files with 753 additions and 173 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ export const pie: ExpressionFunctionDefinition<
},
shape: {
types: ['string'],
options: ['pie', 'donut', 'treemap'],
options: ['pie', 'donut', 'treemap', 'mosaic'],
help: '',
},
hideLabels: {
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6 changes: 4 additions & 2 deletions x-pack/plugins/lens/common/expressions/pie_chart/types.ts
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@
import type { PaletteOutput } from '../../../../../../src/plugins/charts/common';
import type { LensMultiTable, LayerType } from '../../types';

export type PieChartTypes = 'donut' | 'pie' | 'treemap' | 'mosaic';

export interface SharedPieLayerState {
groups: string[];
metric?: string;
Expand All @@ -27,15 +29,15 @@ export type PieLayerState = SharedPieLayerState & {
};

export interface PieVisualizationState {
shape: 'donut' | 'pie' | 'treemap';
shape: PieChartTypes;
layers: PieLayerState[];
palette?: PaletteOutput;
}

export type PieExpressionArgs = SharedPieLayerState & {
title?: string;
description?: string;
shape: 'pie' | 'donut' | 'treemap';
shape: PieChartTypes;
hideLabels: boolean;
palette: PaletteOutput;
};
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31 changes: 31 additions & 0 deletions x-pack/plugins/lens/public/assets/chart_mosaic.tsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
/*
* 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; you may not use this file except in compliance with the Elastic License
* 2.0.
*/

import React from 'react';
import type { EuiIconProps } from '@elastic/eui';

export const LensIconChartMosaic = ({ title, titleId, ...props }: Omit<EuiIconProps, 'type'>) => (
<svg
viewBox="0 0 30 22"
width={30}
height={22}
fill="none"
xmlns="http://www.w3.org/2000/svg"
aria-labelledby={titleId}
{...props}
>
{title ? <title id={titleId} /> : null}
<path
className="lensChartIcon__subdued"
d="M2 0a1 1 0 00-1 1v2a1 1 0 001 1h6a1 1 0 001-1V1a1 1 0 00-1-1H2zM2 14a1 1 0 00-1 1v6a1 1 0 001 1h6a1 1 0 001-1v-6a1 1 0 00-1-1H2zM11 13a1 1 0 011-1h6a1 1 0 011 1v8a1 1 0 01-1 1h-6a1 1 0 01-1-1v-8zM12 0a1 1 0 100 2h6a1 1 0 100-2h-6zM21 15a1 1 0 011-1h6a1 1 0 011 1v6a1 1 0 01-1 1h-6a1 1 0 01-1-1v-6zM22 0a1 1 0 00-1 1v4a1 1 0 001 1h6a1 1 0 001-1V1a1 1 0 00-1-1h-6z"
/>
<path
className="lensChartIcon__accent"
d="M11 5a1 1 0 011-1h6a1 1 0 011 1v4a1 1 0 01-1 1h-6a1 1 0 01-1-1V5zM1 7a1 1 0 011-1h6a1 1 0 011 1v4a1 1 0 01-1 1H2a1 1 0 01-1-1V7zM22 8a1 1 0 00-1 1v2a1 1 0 001 1h6a1 1 0 001-1V9a1 1 0 00-1-1h-6z"
/>
</svg>
);
Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,39 @@ describe('LayerPanel', () => {

const group = instance
.find(EuiFormRow)
.findWhere((e) => e.prop('error') === 'Required dimension');
.findWhere((e) => e.prop('error') === 'Requires field');

expect(group).toHaveLength(1);
});

it('should render the required warning when only one group is configured (with requiredMinDimensionCount)', async () => {
mockVisualization.getConfiguration.mockReturnValue({
groups: [
{
groupLabel: 'A',
groupId: 'a',
accessors: [{ columnId: 'x' }],
filterOperations: () => true,
supportsMoreColumns: false,
dataTestSubj: 'lnsGroup',
},
{
groupLabel: 'B',
groupId: 'b',
accessors: [{ columnId: 'y' }],
filterOperations: () => true,
supportsMoreColumns: true,
dataTestSubj: 'lnsGroup',
requiredMinDimensionCount: 2,
},
],
});

const { instance } = await mountWithProvider(<LayerPanel {...getDefaultProps()} />);

const group = instance
.find(EuiFormRow)
.findWhere((e) => e.prop('error') === 'Requires 2 fields');

expect(group).toHaveLength(1);
});
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Original file line number Diff line number Diff line change
Expand Up @@ -385,7 +385,27 @@ export function LayerPanel(
</header>

{groups.map((group, groupIndex) => {
const isMissing = !isEmptyLayer && group.required && group.accessors.length === 0;
let isMissing = false;

if (!isEmptyLayer) {
if (group.requiredMinDimensionCount) {
isMissing = group.accessors.length < group.requiredMinDimensionCount;
} else if (group.required) {
isMissing = group.accessors.length === 0;
}
}

const isMissingError = group.requiredMinDimensionCount
? i18n.translate('xpack.lens.editorFrame.requiresTwoOrMoreFieldsWarningLabel', {
defaultMessage: 'Requires {requiredMinDimensionCount} fields',
values: {
requiredMinDimensionCount: group.requiredMinDimensionCount,
},
})
: i18n.translate('xpack.lens.editorFrame.requiresFieldWarningLabel', {
defaultMessage: 'Requires field',
});

const isOptional = !group.required;
return (
<EuiFormRow
Expand Down Expand Up @@ -423,13 +443,7 @@ export function LayerPanel(
labelType="legend"
key={group.groupId}
isInvalid={isMissing}
error={
isMissing
? i18n.translate('xpack.lens.editorFrame.requiredDimensionWarningLabel', {
defaultMessage: 'Required dimension',
})
: []
}
error={isMissing ? isMissingError : []}
>
<>
{group.accessors.length ? (
Expand Down
63 changes: 61 additions & 2 deletions x-pack/plugins/lens/public/pie_visualization/constants.ts
Original file line number Diff line number Diff line change
Expand Up @@ -6,41 +6,100 @@
*/

import { i18n } from '@kbn/i18n';
import { PartitionLayout } from '@elastic/charts';
import { LensIconChartDonut } from '../assets/chart_donut';
import { LensIconChartPie } from '../assets/chart_pie';
import { LensIconChartTreemap } from '../assets/chart_treemap';
import { LensIconChartMosaic } from '../assets/chart_mosaic';

import type { SharedPieLayerState } from '../../common/expressions';

interface CategoryOption {
value: SharedPieLayerState['categoryDisplay'];
inputDisplay: string;
}

const groupLabel = i18n.translate('xpack.lens.pie.groupLabel', {
defaultMessage: 'Proportion',
});

const categoryOptions: CategoryOption[] = [
{
value: 'default',
inputDisplay: i18n.translate('xpack.lens.pieChart.showCategoriesLabel', {
defaultMessage: 'Inside or outside',
}),
},
{
value: 'inside',
inputDisplay: i18n.translate('xpack.lens.pieChart.fitInsideOnlyLabel', {
defaultMessage: 'Inside only',
}),
},
{
value: 'hide',
inputDisplay: i18n.translate('xpack.lens.pieChart.categoriesInLegendLabel', {
defaultMessage: 'Hide labels',
}),
},
];

const categoryOptionsTreemap: CategoryOption[] = [
{
value: 'default',
inputDisplay: i18n.translate('xpack.lens.pieChart.showTreemapCategoriesLabel', {
defaultMessage: 'Show labels',
}),
},
{
value: 'hide',
inputDisplay: i18n.translate('xpack.lens.pieChart.categoriesInLegendLabel', {
defaultMessage: 'Hide labels',
}),
},
];

export const CHART_NAMES = {
donut: {
icon: LensIconChartDonut,
label: i18n.translate('xpack.lens.pie.donutLabel', {
defaultMessage: 'Donut',
}),
partitionType: PartitionLayout.sunburst,
groupLabel,
categoryOptions,
},
pie: {
icon: LensIconChartPie,
label: i18n.translate('xpack.lens.pie.pielabel', {
defaultMessage: 'Pie',
}),

partitionType: PartitionLayout.sunburst,
groupLabel,
categoryOptions,
},
treemap: {
icon: LensIconChartTreemap,
label: i18n.translate('xpack.lens.pie.treemaplabel', {
defaultMessage: 'Treemap',
}),

partitionType: PartitionLayout.treemap,
groupLabel,
categoryOptions: categoryOptionsTreemap,
},
mosaic: {
icon: LensIconChartMosaic,
label: i18n.translate('xpack.lens.pie.mosaiclabel', {
defaultMessage: 'Mosaic',
}),
partitionType: PartitionLayout.mosaic,
groupLabel,
categoryOptions: [] as CategoryOption[],
},
};

export const MAX_PIE_BUCKETS = 3;
export const MAX_TREEMAP_BUCKETS = 2;
export const MAX_MOSAIC_BUCKETS = 2;

export const DEFAULT_PERCENT_DECIMALS = 2;
61 changes: 51 additions & 10 deletions x-pack/plugins/lens/public/pie_visualization/render_function.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@ import {
Partition,
PartitionConfig,
PartitionLayer,
PartitionLayout,
PartitionFillLabel,
RecursivePartial,
Position,
Expand All @@ -29,7 +28,13 @@ import { VisualizationContainer } from '../visualization_container';
import { CHART_NAMES, DEFAULT_PERCENT_DECIMALS } from './constants';
import type { FormatFactory } from '../../common';
import type { PieExpressionProps } from '../../common/expressions';
import { getSliceValue, getFilterContext } from './render_helpers';
import {
getSliceValue,
getFilterContext,
isTreemapOrMosaicShape,
byDataColorPaletteMap,
extractUniqTermsMap,
} from './render_helpers';
import { EmptyPlaceholder } from '../shared_components';
import './visualization.scss';
import {
Expand Down Expand Up @@ -110,6 +115,22 @@ export function PieComponent(
})
).length;

const shouldUseByDataPalette = !syncColors && ['mosaic'].includes(shape) && bucketColumns[1]?.id;
let byDataPalette: ReturnType<typeof byDataColorPaletteMap>;
if (shouldUseByDataPalette) {
byDataPalette = byDataColorPaletteMap(
firstTable,
bucketColumns[1].id,
paletteService.get(palette.name),
palette
);
}

let sortingMap: Record<string, number>;
if (shape === 'mosaic') {
sortingMap = extractUniqTermsMap(firstTable, bucketColumns[0].id);
}

const layers: PartitionLayer[] = bucketColumns.map((col, layerIndex) => {
return {
groupByRollup: (d: Datum) => d[col.id] ?? EMPTY_SLICE,
Expand All @@ -124,13 +145,29 @@ export function PieComponent(
return String(d);
},
fillLabel,
sortPredicate:
shape === 'mosaic'
? ([name1, node1], [, node2]) => {
// Sorting for first group
if (bucketColumns.length === 1 || (node1.children.length && name1 in sortingMap)) {
return sortingMap[name1];
}
// Sorting for second group
return node2.value - node1.value;
}
: undefined,
shape: {
fillColor: (d) => {
const seriesLayers: SeriesLayer[] = [];

// Mind the difference here: the contrast computation for the text ignores the alpha/opacity
// therefore change it for dask mode
const defaultColor = isDarkMode ? 'rgba(0,0,0,0)' : 'rgba(255,255,255,0)';

// Color is determined by round-robin on the index of the innermost slice
// This has to be done recursively until we get to the slice index
let tempParent: typeof d | typeof d['parent'] = d;

while (tempParent.parent && tempParent.depth > 0) {
seriesLayers.unshift({
name: String(tempParent.parent.children[tempParent.sortIndex][0]),
Expand All @@ -140,12 +177,14 @@ export function PieComponent(
tempParent = tempParent.parent;
}

if (shape === 'treemap') {
if (byDataPalette && seriesLayers[1]) {
return byDataPalette.getColor(seriesLayers[1].name) || defaultColor;
}

if (isTreemapOrMosaicShape(shape)) {
// Only highlight the innermost color of the treemap, as it accurately represents area
if (layerIndex < bucketColumns.length - 1) {
// Mind the difference here: the contrast computation for the text ignores the alpha/opacity
// therefore change it for dask mode
return isDarkMode ? 'rgba(0,0,0,0)' : 'rgba(255,255,255,0)';
return defaultColor;
}
// only use the top level series layer for coloring
if (seriesLayers.length > 1) {
Expand All @@ -164,14 +203,14 @@ export function PieComponent(
palette.params
);

return outputColor || 'rgba(0,0,0,0)';
return outputColor || defaultColor;
},
},
};
});

const config: RecursivePartial<PartitionConfig> = {
partitionLayout: shape === 'treemap' ? PartitionLayout.treemap : PartitionLayout.sunburst,
partitionLayout: CHART_NAMES[shape].partitionType,
fontFamily: chartTheme.barSeriesStyle?.displayValue?.fontFamily,
outerSizeRatio: 1,
specialFirstInnermostSector: true,
Expand All @@ -191,7 +230,7 @@ export function PieComponent(
sectorLineWidth: 1.5,
circlePadding: 4,
};
if (shape === 'treemap') {
if (isTreemapOrMosaicShape(shape)) {
if (hideLabels || categoryDisplay === 'hide') {
config.fillLabel = { textColor: 'rgba(0,0,0,0)' };
}
Expand Down Expand Up @@ -279,7 +318,9 @@ export function PieComponent(
showLegend={
!hideLabels &&
(legendDisplay === 'show' ||
(legendDisplay === 'default' && bucketColumns.length > 1 && shape !== 'treemap'))
(legendDisplay === 'default' &&
bucketColumns.length > 1 &&
!isTreemapOrMosaicShape(shape)))
}
legendPosition={legendPosition || Position.Right}
legendMaxDepth={nestedLegend ? undefined : 1 /* Color is based only on first layer */}
Expand Down
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