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[Maps] show custom color ramps in legend (elastic#53780) (elastic#53996)
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39 changes: 39 additions & 0 deletions
39
...s/maps/public/layers/styles/vector/components/legend/extract_color_from_style_property.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
|
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| import { VectorStyle } from '../../vector_style'; | ||
| import { getColorRampCenterColor } from '../../../color_utils'; | ||
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| export function extractColorFromStyleProperty(colorStyleProperty, defaultColor) { | ||
| if (!colorStyleProperty) { | ||
| return defaultColor; | ||
| } | ||
|
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| if (colorStyleProperty.type === VectorStyle.STYLE_TYPE.STATIC) { | ||
| return colorStyleProperty.options.color; | ||
| } | ||
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| // Do not use dynamic color unless configuration is complete | ||
| if (!colorStyleProperty.options.field || !colorStyleProperty.options.field.name) { | ||
| return defaultColor; | ||
| } | ||
|
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| // return middle of gradient for dynamic style property | ||
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| if (colorStyleProperty.options.useCustomColorRamp) { | ||
| if ( | ||
| !colorStyleProperty.options.customColorRamp || | ||
| !colorStyleProperty.options.customColorRamp.length | ||
| ) { | ||
| return defaultColor; | ||
| } | ||
| // favor the lowest color in even arrays | ||
| const middleIndex = Math.floor((colorStyleProperty.options.customColorRamp.length - 1) / 2); | ||
| return colorStyleProperty.options.customColorRamp[middleIndex].color; | ||
| } | ||
|
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| return getColorRampCenterColor(colorStyleProperty.options.color); | ||
| } |
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105 changes: 105 additions & 0 deletions
105
.../public/layers/styles/vector/properties/__snapshots__/dynamic_color_property.test.js.snap
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56
...gacy/plugins/maps/public/layers/styles/vector/properties/components/categorical_legend.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
|
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| import React from 'react'; | ||
| import _ from 'lodash'; | ||
| const EMPTY_VALUE = ''; | ||
|
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| export class CategoricalLegend extends React.Component { | ||
| constructor() { | ||
| super(); | ||
| this._isMounted = false; | ||
| this.state = { | ||
| label: EMPTY_VALUE, | ||
| isPointsOnly: null, | ||
| isLinesOnly: null, | ||
| }; | ||
| } | ||
|
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| async _loadParams() { | ||
| const label = await this.props.style.getField().getLabel(); | ||
| const isLinesOnly = await this.props.loadIsLinesOnly(); | ||
| const isPointsOnly = await this.props.loadIsPointsOnly(); | ||
| const newState = { label, isLinesOnly, isPointsOnly }; | ||
| if (this._isMounted && !_.isEqual(this.state, newState)) { | ||
| this.setState(newState); | ||
| } | ||
| } | ||
|
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| componentDidUpdate() { | ||
| this._loadParams(); | ||
| } | ||
|
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| componentWillUnmount() { | ||
| this._isMounted = false; | ||
| } | ||
|
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| componentDidMount() { | ||
| this._isMounted = true; | ||
| this._loadParams(); | ||
| } | ||
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| render() { | ||
| if (this.state.label === EMPTY_VALUE) { | ||
| return null; | ||
| } | ||
| return this.props.style.renderBreakedLegend({ | ||
| fieldLabel: this.state.label, | ||
| isLinesOnly: this.state.isLinesOnly, | ||
| isPointsOnly: this.state.isPointsOnly, | ||
| symbolId: this.props.symbolId, | ||
| }); | ||
| } | ||
| } |
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